/* * Listview control * * Copyright 1998, 1999 Eric Kohl * Copyright 1999 Luc Tourangeau * Copyright 2000 Jason Mawdsley * * NOTES * Listview control implementation. * * TODO: * 1. No horizontal scrolling when header is larger than the client area. * 2. Drawing optimizations. * 3. Hot item handling. * * Notifications: * LISTVIEW_Notify : most notifications from children (editbox and header) * * Data structure: * LISTVIEW_SetItemCount : not completed * * Unicode: * LISTVIEW_SetItemW : no unicode support * LISTVIEW_InsertItemW : no unicode support * LISTVIEW_InsertColumnW : no unicode support * LISTVIEW_GetColumnW : no unicode support * LISTVIEW_SetColumnW : no unicode support * * Advanced functionality: * LISTVIEW_GetNumberOfWorkAreas : not implemented * LISTVIEW_GetHotCursor : not implemented * LISTVIEW_GetISearchString : not implemented * LISTVIEW_GetBkImage : not implemented * LISTVIEW_SetBkImage : not implemented * LISTVIEW_GetColumnOrderArray : simple hack only * LISTVIEW_SetColumnOrderArray : simple hack only * LISTVIEW_Arrange : empty stub * LISTVIEW_ApproximateViewRect : incomplete * LISTVIEW_Scroll : not implemented * LISTVIEW_RedrawItems : empty stub * LISTVIEW_Update : not completed */ #include #include #include #include "winbase.h" #include "heap.h" #include "commctrl.h" #include "debugtools.h" DEFAULT_DEBUG_CHANNEL(listview); /* Some definitions for inline edit control */ typedef BOOL (*EditlblCallback)(HWND, LPSTR, DWORD); typedef struct tagEDITLABEL_ITEM { WNDPROC EditWndProc; DWORD param; EditlblCallback EditLblCb; } EDITLABEL_ITEM; typedef struct tagLISTVIEW_SUBITEM { LPSTR pszText; INT iImage; INT iSubItem; } LISTVIEW_SUBITEM; typedef struct tagLISTVIEW_ITEM { UINT state; LPSTR pszText; INT iImage; LPARAM lParam; INT iIndent; POINT ptPosition; } LISTVIEW_ITEM; typedef struct tagLISTVIEW_SELECTION { DWORD lower; DWORD upper; } LISTVIEW_SELECTION; typedef struct tagLISTVIEW_INFO { COLORREF clrBk; COLORREF clrText; COLORREF clrTextBk; HIMAGELIST himlNormal; HIMAGELIST himlSmall; HIMAGELIST himlState; BOOL bLButtonDown; BOOL bRButtonDown; INT nFocusedItem; HDPA hdpaSelectionRanges; INT nItemHeight; INT nItemWidth; INT nSelectionMark; INT nHotItem; SHORT notifyFormat; RECT rcList; RECT rcView; SIZE iconSize; SIZE iconSpacing; UINT uCallbackMask; HWND hwndHeader; HFONT hDefaultFont; HFONT hFont; BOOL bFocus; DWORD dwExStyle; /* extended listview style */ HDPA hdpaItems; PFNLVCOMPARE pfnCompare; LPARAM lParamSort; HWND hwndEdit; INT nEditLabelItem; EDITLABEL_ITEM *pedititem; DWORD dwHoverTime; INT nColumnCount; /* the number of columns in this control */ WPARAM charCode; /* Added */ CHAR szSearchParam[ MAX_PATH ]; /* Added */ DWORD timeSinceLastKeyPress; /* Added */ INT nSearchParamLength; /* Added */ } LISTVIEW_INFO; /* * constants */ /* maximum size of a label */ #define DISP_TEXT_SIZE 512 /* padding for items in list and small icon display modes */ #define WIDTH_PADDING 12 /* padding for items in list, report and small icon display modes */ #define HEIGHT_PADDING 1 /* offset of items in report display mode */ #define REPORT_MARGINX 2 /* padding for icon in large icon display mode */ #define ICON_TOP_PADDING 2 #define ICON_BOTTOM_PADDING 2 /* padding for label in large icon display mode */ #define LABEL_VERT_OFFSET 2 /* default label width for items in list and small icon display modes */ #define DEFAULT_LABEL_WIDTH 40 /* default column width for items in list display mode */ #define DEFAULT_COLUMN_WIDTH 96 /* Increment size of the horizontal scroll bar */ #define LISTVIEW_SCROLL_DIV_SIZE 10 /* Padding betwen image and label */ #define IMAGE_PADDING 2 /* Padding behind the label */ #define TRAILING_PADDING 5 /* Border for the icon caption */ #define CAPTION_BORDER 2 /* * macros */ #define GETITEMCOUNT(infoPtr) ((infoPtr)->hdpaItems->nItemCount) #define ListView_LVNotify(hwnd,lCtrlId,plvnm) \ (BOOL)SendMessageA((hwnd),WM_NOTIFY,(WPARAM)(INT)lCtrlId,(LPARAM)(LPNMLISTVIEW)(plvnm)) #define ListView_Notify(hwnd,lCtrlId,pnmh) \ (BOOL)SendMessageA((hwnd),WM_NOTIFY,(WPARAM)(INT)lCtrlId,(LPARAM)(LPNMHDR)(pnmh)) /* retrieve the number of items in the listview */ #define GETITEMCOUNT(infoPtr) ((infoPtr)->hdpaItems->nItemCount) HWND CreateEditLabel(LPCSTR text, DWORD style, INT x, INT y, INT width, INT height, HWND parent, HINSTANCE hinst, EditlblCallback EditLblCb, DWORD param); /* * forward declarations */ static LRESULT LISTVIEW_GetItemA(HWND hwnd, LPLVITEMA lpLVItem, BOOL internal); static INT LISTVIEW_HitTestItem(HWND, LPLVHITTESTINFO, BOOL); static INT LISTVIEW_GetCountPerRow(HWND); static INT LISTVIEW_GetCountPerColumn(HWND); static VOID LISTVIEW_AlignLeft(HWND); static VOID LISTVIEW_AlignTop(HWND); static VOID LISTVIEW_AddGroupSelection(HWND, INT); static VOID LISTVIEW_AddSelection(HWND, INT); static BOOL LISTVIEW_AddSubItem(HWND, LPLVITEMA); static INT LISTVIEW_FindInsertPosition(HDPA, INT); static INT LISTVIEW_GetItemHeight(HWND); static BOOL LISTVIEW_GetItemPosition(HWND, INT, LPPOINT); static LRESULT LISTVIEW_GetItemRect(HWND, INT, LPRECT); static INT LISTVIEW_GetItemWidth(HWND); static INT LISTVIEW_GetLabelWidth(HWND, INT); static LRESULT LISTVIEW_GetOrigin(HWND, LPPOINT); static INT LISTVIEW_CalculateWidth(HWND hwnd, INT nItem); static LISTVIEW_SUBITEM* LISTVIEW_GetSubItem(HDPA, INT); static LRESULT LISTVIEW_GetViewRect(HWND, LPRECT); static BOOL LISTVIEW_InitItem(HWND, LISTVIEW_ITEM *, LPLVITEMA); static BOOL LISTVIEW_InitSubItem(HWND, LISTVIEW_SUBITEM *, LPLVITEMA); static LRESULT LISTVIEW_MouseSelection(HWND, POINT); static BOOL LISTVIEW_RemoveColumn(HDPA, INT); static BOOL LISTVIEW_RemoveSubItem(HDPA, INT); static VOID LISTVIEW_SetGroupSelection(HWND, INT); static BOOL LISTVIEW_SetItem(HWND, LPLVITEMA); static BOOL LISTVIEW_SetItemFocus(HWND, INT); static BOOL LISTVIEW_SetItemPosition(HWND, INT, LONG, LONG); static VOID LISTVIEW_UpdateScroll(HWND); static VOID LISTVIEW_SetSelection(HWND, INT); static VOID LISTVIEW_UpdateSize(HWND); static BOOL LISTVIEW_SetSubItem(HWND, LPLVITEMA); static LRESULT LISTVIEW_SetViewRect(HWND, LPRECT); static BOOL LISTVIEW_ToggleSelection(HWND, INT); static VOID LISTVIEW_UnsupportedStyles(LONG lStyle); static HWND LISTVIEW_EditLabelA(HWND hwnd, INT nItem); static BOOL LISTVIEW_EndEditLabel(HWND hwnd, LPSTR pszText, DWORD nItem); static LRESULT LISTVIEW_Command(HWND hwnd, WPARAM wParam, LPARAM lParam); static LRESULT LISTVIEW_SortItems(HWND hwnd, WPARAM wParam, LPARAM lParam); static LRESULT LISTVIEW_GetStringWidthA(HWND hwnd, LPCSTR lpszText); static INT LISTVIEW_ProcessLetterKeys( HWND hwnd, WPARAM charCode, LPARAM keyData ); static BOOL LISTVIEW_KeySelection(HWND hwnd, INT nItem); static LRESULT LISTVIEW_GetItemState(HWND hwnd, INT nItem, UINT uMask); static LRESULT LISTVIEW_SetItemState(HWND hwnd, INT nItem, LPLVITEMA lpLVItem); static BOOL LISTVIEW_IsSelected(HWND hwnd, INT nItem); static VOID LISTVIEW_RemoveSelectionRange(HWND hwnd, INT lItem, INT uItem); static void LISTVIEW_FillBackground(HWND hwnd, HDC hdc, LPRECT rc); /******** Defines that LISTVIEW_ProcessLetterKeys uses ****************/ #define KEY_DELAY 900 #define LISTVIEW_InitLvItemStruct(item,idx,TEXT) \ ZeroMemory(&(item), sizeof(LVITEMA)); \ (item).mask = LVIF_TEXT; \ (item).iItem = (idx); \ (item).iSubItem = 0; \ (item).pszText = (TEXT); \ (item).cchTextMax = MAX_PATH static BOOL LISTVIEW_SendCustomDrawNotify (HWND hwnd, DWORD dwDrawStage, HDC hdc, RECT rc) { LISTVIEW_INFO *infoPtr; NMLVCUSTOMDRAW nmcdhdr; LPNMCUSTOMDRAW nmcd; TRACE("drawstage:%lx hdc:%x\n", dwDrawStage, hdc); infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); nmcd= & nmcdhdr.nmcd; nmcd->hdr.hwndFrom = hwnd; nmcd->hdr.idFrom = GetWindowLongA( hwnd, GWL_ID); nmcd->hdr.code = NM_CUSTOMDRAW; nmcd->dwDrawStage= dwDrawStage; nmcd->hdc = hdc; nmcd->rc.left = rc.left; nmcd->rc.right = rc.right; nmcd->rc.bottom = rc.bottom; nmcd->rc.top = rc.top; nmcd->dwItemSpec = 0; nmcd->uItemState = 0; nmcd->lItemlParam= 0; nmcdhdr.clrText = infoPtr->clrText; nmcdhdr.clrTextBk= infoPtr->clrBk; return (BOOL)SendMessageA (GetParent (hwnd), WM_NOTIFY, (WPARAM) GetWindowLongA( hwnd, GWL_ID), (LPARAM)&nmcdhdr); } static BOOL LISTVIEW_SendCustomDrawItemNotify (HWND hwnd, HDC hdc, UINT iItem, UINT iSubItem, UINT uItemDrawState) { LISTVIEW_INFO *infoPtr; NMLVCUSTOMDRAW nmcdhdr; LPNMCUSTOMDRAW nmcd; DWORD dwDrawStage,dwItemSpec; UINT uItemState; INT retval; RECT itemRect; LVITEMA item; infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); ZeroMemory(&item,sizeof(LVITEMA)); item.iItem = iItem; item.mask = LVIF_PARAM; ListView_GetItemA(hwnd,&item); dwDrawStage=CDDS_ITEM | uItemDrawState; dwItemSpec=iItem; uItemState=0; if (LISTVIEW_IsSelected(hwnd,iItem)) uItemState|=CDIS_SELECTED; if (iItem==infoPtr->nFocusedItem) uItemState|=CDIS_FOCUS; if (iItem==infoPtr->nHotItem) uItemState|=CDIS_HOT; itemRect.left = LVIR_BOUNDS; LISTVIEW_GetItemRect(hwnd, iItem, &itemRect); nmcd= & nmcdhdr.nmcd; nmcd->hdr.hwndFrom = hwnd; nmcd->hdr.idFrom = GetWindowLongA( hwnd, GWL_ID); nmcd->hdr.code = NM_CUSTOMDRAW; nmcd->dwDrawStage= dwDrawStage; nmcd->hdc = hdc; nmcd->rc.left = itemRect.left; nmcd->rc.right = itemRect.right; nmcd->rc.bottom = itemRect.bottom; nmcd->rc.top = itemRect.top; nmcd->dwItemSpec = dwItemSpec; nmcd->uItemState = uItemState; nmcd->lItemlParam= item.lParam; nmcdhdr.clrText = infoPtr->clrText; nmcdhdr.clrTextBk= infoPtr->clrBk; nmcdhdr.iSubItem =iSubItem; TRACE("drawstage:%lx hdc:%x item:%lx, itemstate:%x, lItemlParam:%lx\n", nmcd->dwDrawStage, nmcd->hdc, nmcd->dwItemSpec, nmcd->uItemState, nmcd->lItemlParam); retval=SendMessageA (GetParent (hwnd), WM_NOTIFY, (WPARAM) GetWindowLongA( hwnd, GWL_ID), (LPARAM)&nmcdhdr); infoPtr->clrText=nmcdhdr.clrText; infoPtr->clrBk =nmcdhdr.clrTextBk; return (BOOL) retval; } /************************************************************************* * DESCRIPTION: * Processes keyboard messages generated by pressing the letter keys on the keyboard. * Assumes the list is sorted alphabetically, without regard to case. * * PARAMETERS: * [I] HWND: handle to the window * [I] WPARAM: the character code, the actual character * [I] LPARAM: key data * * * RETURN: * Zero. * * TODO: * * */ static INT LISTVIEW_ProcessLetterKeys( HWND hwnd, WPARAM charCode, LPARAM keyData ) { LISTVIEW_INFO *infoPtr = NULL; INT nItem = -1; BOOL bRedraw; INT nSize = 0; INT idx = 0; BOOL bFoundMatchingFiles = FALSE; LVITEMA item; CHAR TEXT[ MAX_PATH ]; CHAR szCharCode[ 2 ]; DWORD timeSinceLastKeyPress = 0; szCharCode[0] = charCode; szCharCode[1] = 0; /* simple parameter checking */ if ( !hwnd || !charCode || !keyData ) return 0; infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); if ( !infoPtr ) return 0; /* only allow the valid WM_CHARs through */ if ( isalnum( charCode ) || charCode == '.' || charCode == '`' || charCode == '!' || charCode == '@' || charCode == '#' || charCode == '$' || charCode == '%' || charCode == '^' || charCode == '&' || charCode == '*' || charCode == '(' || charCode == ')' || charCode == '-' || charCode == '_' || charCode == '+' || charCode == '=' || charCode == '\\'|| charCode == ']' || charCode == '}' || charCode == '[' || charCode == '{' || charCode == '/' || charCode == '?' || charCode == '>' || charCode == '<' || charCode == ',' || charCode == '~') { timeSinceLastKeyPress = GetTickCount(); nSize = GETITEMCOUNT( infoPtr ); /* if there are 0 items, there is no where to go */ if ( nSize == 0 ) return 0; /* * If the last charCode equals the current charCode then look * to the next element in list to see if it matches the previous * charCode. */ if ( infoPtr->charCode == charCode ) { if ( timeSinceLastKeyPress - infoPtr->timeSinceLastKeyPress < KEY_DELAY ) { /* append new character to search string */ strcat( infoPtr->szSearchParam, szCharCode ); infoPtr->nSearchParamLength++; /* loop from start of list view */ for( idx = infoPtr->nFocusedItem; idx < nSize; idx++ ) { /* get item */ LISTVIEW_InitLvItemStruct( item, idx, TEXT ); ListView_GetItemA( hwnd, &item ); /* compare items */ if ( strncasecmp( item.pszText, infoPtr->szSearchParam, infoPtr->nSearchParamLength ) == 0 ) { nItem = idx; break; } } } else if ( infoPtr->timeSinceLastKeyPress > timeSinceLastKeyPress ) { /* The DWORD went over it's boundery?? Ergo assuming too slow??. */ for ( idx = 0; idx < nSize; idx++ ) { LISTVIEW_InitLvItemStruct( item, idx, TEXT ); ListView_GetItemA( hwnd, &item ); if ( strncasecmp( &( item.pszText[ 0 ] ), szCharCode, 1 ) == 0 ) { nItem = idx; break; } } strcpy( infoPtr->szSearchParam, szCharCode ); infoPtr->nSearchParamLength = 1; } else { /* Save szCharCode for use in later searches */ strcpy( infoPtr->szSearchParam, szCharCode ); infoPtr->nSearchParamLength = 1; LISTVIEW_InitLvItemStruct( item, infoPtr->nFocusedItem + 1, TEXT ); ListView_GetItemA( hwnd, &item ); if ( strncasecmp( &( item.pszText[ 0 ] ), szCharCode, 1 ) == 0 ) nItem = infoPtr->nFocusedItem + 1; else { /* * Ok so there are no more folders that match * now we look for files. */ for ( idx = infoPtr->nFocusedItem + 1; idx < nSize; idx ++ ) { LISTVIEW_InitLvItemStruct( item, idx, TEXT ); ListView_GetItemA( hwnd, &item ); if ( strncasecmp( &( item.pszText[ 0 ] ), szCharCode, 1 ) == 0 ) { nItem = idx; bFoundMatchingFiles = TRUE; break; } } if ( !bFoundMatchingFiles ) { /* go back to first instance */ for ( idx = 0; idx < nSize; idx ++ ) { LISTVIEW_InitLvItemStruct( item,idx, TEXT ); ListView_GetItemA( hwnd, &item ); if ( strncasecmp( &( item.pszText[ 0 ] ), szCharCode, 1 ) == 0 ) { nItem = idx; break; } } } } } } /*END: if ( infoPtr->charCode == charCode )*/ else /* different keypressed */ { /* could be that they are spelling the file/directory for us */ if ( timeSinceLastKeyPress - infoPtr->timeSinceLastKeyPress > KEY_DELAY ) { /* * Too slow, move to the first instance of the * charCode. */ for ( idx = 0; idx < nSize; idx++ ) { LISTVIEW_InitLvItemStruct( item,idx, TEXT ); ListView_GetItemA( hwnd, &item ); if ( strncasecmp( &( item.pszText[ 0 ] ), szCharCode, 1 ) == 0 ) { nItem = idx; break; } } strcpy( infoPtr->szSearchParam, szCharCode ); infoPtr->nSearchParamLength = 1; } else if ( infoPtr->timeSinceLastKeyPress > timeSinceLastKeyPress ) { /* The DWORD went over it's boundery?? Ergo assuming too slow??. */ for ( idx = 0; idx < nSize; idx++ ) { LISTVIEW_InitLvItemStruct( item,idx, TEXT ); ListView_GetItemA( hwnd, &item ); if ( strncasecmp( &( item.pszText[ 0 ] ), szCharCode, 1 ) == 0 ) { nItem = idx; break; } } strcpy( infoPtr->szSearchParam, szCharCode ); infoPtr->nSearchParamLength = 1; } else /* Search for the string the user is typing */ { /* append new character to search string */ strcat( infoPtr->szSearchParam, szCharCode ); infoPtr->nSearchParamLength++; /* loop from start of list view */ for( idx = 0; idx < nSize; idx++ ) { /* get item */ LISTVIEW_InitLvItemStruct( item, idx, TEXT ); ListView_GetItemA( hwnd, &item ); /* compare items */ if ( strncasecmp( item.pszText, infoPtr->szSearchParam, infoPtr->nSearchParamLength ) == 0 ) { nItem = idx; break; } } } }/*END: else */ } else return 0; bRedraw = LISTVIEW_KeySelection(hwnd, nItem ); if (bRedraw != FALSE) { /* refresh client area */ InvalidateRect(hwnd, NULL, TRUE); UpdateWindow(hwnd); } /* Store the WM_CHAR for next time */ infoPtr->charCode = charCode; /* Store time */ infoPtr->timeSinceLastKeyPress = timeSinceLastKeyPress; return 0; } /************************************************************************* * LISTVIEW_UpdateHeaderSize [Internal] * * Function to resize the header control * * PARAMS * hwnd [I] handle to a window * nNewScrollPos [I] Scroll Pos to Set * * RETURNS * nothing * * NOTES */ static VOID LISTVIEW_UpdateHeaderSize(HWND hwnd, INT nNewScrollPos) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); RECT winRect; POINT point[2]; GetWindowRect(infoPtr->hwndHeader, &winRect); point[0].x = winRect.left; point[0].y = winRect.top; point[1].x = winRect.right; point[1].y = winRect.bottom; MapWindowPoints(HWND_DESKTOP, hwnd, point, 2); point[0].x = -(nNewScrollPos * LISTVIEW_SCROLL_DIV_SIZE); point[1].x += (nNewScrollPos * LISTVIEW_SCROLL_DIV_SIZE); SetWindowPos(infoPtr->hwndHeader,0, point[0].x,point[0].y,point[1].x,point[1].y, SWP_NOZORDER | SWP_NOACTIVATE); } /*** * DESCRIPTION: * Update the scrollbars. This functions should be called whenever * the content, size or view changes. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * None */ static VOID LISTVIEW_UpdateScroll(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = lStyle & LVS_TYPEMASK; INT nListHeight = infoPtr->rcList.bottom - infoPtr->rcList.top; INT nListWidth = infoPtr->rcList.right - infoPtr->rcList.left; SCROLLINFO scrollInfo; ZeroMemory(&scrollInfo, sizeof(SCROLLINFO)); scrollInfo.cbSize = sizeof(SCROLLINFO); if (uView == LVS_LIST) { /* update horizontal scrollbar */ INT nCountPerColumn = LISTVIEW_GetCountPerColumn(hwnd); INT nCountPerRow = LISTVIEW_GetCountPerRow(hwnd); INT nNumOfItems = GETITEMCOUNT(infoPtr); scrollInfo.nMax = nNumOfItems / nCountPerColumn; if((nNumOfItems % nCountPerColumn) == 0) { scrollInfo.nMax--; } scrollInfo.nPos = ListView_GetTopIndex(hwnd) / nCountPerColumn; scrollInfo.nPage = nCountPerRow; scrollInfo.fMask = SIF_RANGE | SIF_POS | SIF_PAGE; SetScrollInfo(hwnd, SB_HORZ, &scrollInfo, TRUE); ShowScrollBar(hwnd, SB_VERT, FALSE); } else if (uView == LVS_REPORT) { /* update vertical scrollbar */ scrollInfo.nMin = 0; scrollInfo.nMax = GETITEMCOUNT(infoPtr) - 1; scrollInfo.nPos = ListView_GetTopIndex(hwnd); scrollInfo.nPage = LISTVIEW_GetCountPerColumn(hwnd); scrollInfo.fMask = SIF_RANGE | SIF_POS | SIF_PAGE; SetScrollInfo(hwnd, SB_VERT, &scrollInfo, TRUE); /* update horizontal scrollbar */ nListWidth = infoPtr->rcList.right - infoPtr->rcList.left; if (GetScrollInfo(hwnd, SB_HORZ, &scrollInfo) == FALSE || GETITEMCOUNT(infoPtr) == 0) { scrollInfo.nPos = 0; } scrollInfo.nMin = 0; scrollInfo.fMask = SIF_RANGE | SIF_POS | SIF_PAGE ; scrollInfo.nPage = nListWidth / LISTVIEW_SCROLL_DIV_SIZE; scrollInfo.nMax = max(infoPtr->nItemWidth / LISTVIEW_SCROLL_DIV_SIZE, 0)-1; SetScrollInfo(hwnd, SB_HORZ, &scrollInfo, TRUE); /* Update the Header Control */ scrollInfo.fMask = SIF_POS; GetScrollInfo(hwnd, SB_HORZ, &scrollInfo); LISTVIEW_UpdateHeaderSize(hwnd, scrollInfo.nPos); } else { RECT rcView; if (LISTVIEW_GetViewRect(hwnd, &rcView) != FALSE) { INT nViewWidth = rcView.right - rcView.left; INT nViewHeight = rcView.bottom - rcView.top; /* Update Horizontal Scrollbar */ scrollInfo.fMask = SIF_POS; if (GetScrollInfo(hwnd, SB_HORZ, &scrollInfo) == FALSE || GETITEMCOUNT(infoPtr) == 0) { scrollInfo.nPos = 0; } scrollInfo.nMax = max(nViewWidth / LISTVIEW_SCROLL_DIV_SIZE, 0)-1; scrollInfo.nMin = 0; scrollInfo.nPage = nListWidth / LISTVIEW_SCROLL_DIV_SIZE; scrollInfo.fMask = SIF_RANGE | SIF_POS | SIF_PAGE; SetScrollInfo(hwnd, SB_HORZ, &scrollInfo, TRUE); /* Update Vertical Scrollbar */ nListHeight = infoPtr->rcList.bottom - infoPtr->rcList.top; scrollInfo.fMask = SIF_POS; if (GetScrollInfo(hwnd, SB_VERT, &scrollInfo) == FALSE || GETITEMCOUNT(infoPtr) == 0) { scrollInfo.nPos = 0; } scrollInfo.nMax = max(nViewHeight / LISTVIEW_SCROLL_DIV_SIZE,0)-1; scrollInfo.nMin = 0; scrollInfo.nPage = nListHeight / LISTVIEW_SCROLL_DIV_SIZE; scrollInfo.fMask = SIF_RANGE | SIF_POS | SIF_PAGE; SetScrollInfo(hwnd, SB_VERT, &scrollInfo, TRUE); } } } /*** * DESCRIPTION: * Prints a message for unsupported window styles. * A kind of TODO list for window styles. * * PARAMETER(S): * [I] LONG : window style * * RETURN: * None */ static VOID LISTVIEW_UnsupportedStyles(LONG lStyle) { if ((LVS_TYPEMASK & lStyle) == LVS_EDITLABELS) { FIXME(" LVS_EDITLABELS\n"); } if ((LVS_TYPEMASK & lStyle) == LVS_NOLABELWRAP) { FIXME(" LVS_NOLABELWRAP\n"); } if ((LVS_TYPEMASK & lStyle) == LVS_NOSCROLL) { FIXME(" LVS_NOSCROLL\n"); } if ((LVS_TYPEMASK & lStyle) == LVS_NOSORTHEADER) { FIXME(" LVS_NOSORTHEADER\n"); } if ((LVS_TYPEMASK & lStyle) == LVS_OWNERDRAWFIXED) { FIXME(" LVS_OWNERDRAWFIXED\n"); } if ((LVS_TYPEMASK & lStyle) == LVS_SHAREIMAGELISTS) { FIXME(" LVS_SHAREIMAGELISTS\n"); } if ((LVS_TYPEMASK & lStyle) == LVS_SORTASCENDING) { FIXME(" LVS_SORTASCENDING\n"); } if ((LVS_TYPEMASK & lStyle) == LVS_SORTDESCENDING) { FIXME(" LVS_SORTDESCENDING\n"); } } /*** * DESCRIPTION: * Aligns the items with the top edge of the window. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * None */ static VOID LISTVIEW_AlignTop(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; INT nListWidth = infoPtr->rcList.right - infoPtr->rcList.left; POINT ptItem; RECT rcView; INT i; if ((uView == LVS_SMALLICON) || (uView == LVS_ICON)) { ZeroMemory(&ptItem, sizeof(POINT)); ZeroMemory(&rcView, sizeof(RECT)); if (nListWidth > infoPtr->nItemWidth) { for (i = 0; i < GETITEMCOUNT(infoPtr); i++) { if (ptItem.x + infoPtr->nItemWidth > nListWidth) { ptItem.x = 0; ptItem.y += infoPtr->nItemHeight; } ListView_SetItemPosition(hwnd, i, ptItem.x, ptItem.y); ptItem.x += infoPtr->nItemWidth; rcView.right = max(rcView.right, ptItem.x); } rcView.bottom = ptItem.y + infoPtr->nItemHeight; } else { for (i = 0; i < GETITEMCOUNT(infoPtr); i++) { ListView_SetItemPosition(hwnd, i, ptItem.x, ptItem.y); ptItem.y += infoPtr->nItemHeight; } rcView.right = infoPtr->nItemWidth; rcView.bottom = ptItem.y; } LISTVIEW_SetViewRect(hwnd, &rcView); } } /*** * DESCRIPTION: * Aligns the items with the left edge of the window. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * None */ static VOID LISTVIEW_AlignLeft(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; INT nListHeight = infoPtr->rcList.bottom - infoPtr->rcList.top; POINT ptItem; RECT rcView; INT i; if ((uView == LVS_SMALLICON) || (uView == LVS_ICON)) { ZeroMemory(&ptItem, sizeof(POINT)); ZeroMemory(&rcView, sizeof(RECT)); if (nListHeight > infoPtr->nItemHeight) { for (i = 0; i < GETITEMCOUNT(infoPtr); i++) { if (ptItem.y + infoPtr->nItemHeight > nListHeight) { ptItem.y = 0; ptItem.x += infoPtr->nItemWidth; } ListView_SetItemPosition(hwnd, i, ptItem.x, ptItem.y); ptItem.y += infoPtr->nItemHeight; rcView.bottom = max(rcView.bottom, ptItem.y); } rcView.right = ptItem.x + infoPtr->nItemWidth; } else { for (i = 0; i < GETITEMCOUNT(infoPtr); i++) { ListView_SetItemPosition(hwnd, i, ptItem.x, ptItem.y); ptItem.x += infoPtr->nItemWidth; } rcView.bottom = infoPtr->nItemHeight; rcView.right = ptItem.x; } LISTVIEW_SetViewRect(hwnd, &rcView); } } /*** * DESCRIPTION: * Set the bounding rectangle of all the items. * * PARAMETER(S): * [I] HWND : window handle * [I] LPRECT : bounding rectangle * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_SetViewRect(HWND hwnd, LPRECT lprcView) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO*)GetWindowLongA(hwnd, 0); BOOL bResult = FALSE; TRACE("(hwnd=%x, left=%d, top=%d, right=%d, bottom=%d)\n", hwnd, lprcView->left, lprcView->top, lprcView->right, lprcView->bottom); if (lprcView != NULL) { bResult = TRUE; infoPtr->rcView.left = lprcView->left; infoPtr->rcView.top = lprcView->top; infoPtr->rcView.right = lprcView->right; infoPtr->rcView.bottom = lprcView->bottom; } return bResult; } /*** * DESCRIPTION: * Retrieves the bounding rectangle of all the items. * * PARAMETER(S): * [I] HWND : window handle * [O] LPRECT : bounding rectangle * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_GetViewRect(HWND hwnd, LPRECT lprcView) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO*)GetWindowLongA(hwnd, 0); BOOL bResult = FALSE; POINT ptOrigin; TRACE("(hwnd=%x, lprcView=%p)\n", hwnd, lprcView); if (lprcView != NULL) { bResult = LISTVIEW_GetOrigin(hwnd, &ptOrigin); if (bResult != FALSE) { lprcView->left = infoPtr->rcView.left + ptOrigin.x; lprcView->top = infoPtr->rcView.top + ptOrigin.y; lprcView->right = infoPtr->rcView.right + ptOrigin.x; lprcView->bottom = infoPtr->rcView.bottom + ptOrigin.y; } TRACE("(left=%d, top=%d, right=%d, bottom=%d)\n", lprcView->left, lprcView->top, lprcView->right, lprcView->bottom); } return bResult; } /*** * DESCRIPTION: * Retrieves the subitem pointer associated with the subitem index. * * PARAMETER(S): * [I] HDPA : DPA handle for a specific item * [I] INT : index of subitem * * RETURN: * SUCCESS : subitem pointer * FAILURE : NULL */ static LISTVIEW_SUBITEM* LISTVIEW_GetSubItemPtr(HDPA hdpaSubItems, INT nSubItem) { LISTVIEW_SUBITEM *lpSubItem; INT i; for (i = 1; i < hdpaSubItems->nItemCount; i++) { lpSubItem = (LISTVIEW_SUBITEM *) DPA_GetPtr(hdpaSubItems, i); if (lpSubItem != NULL) { if (lpSubItem->iSubItem == nSubItem) { return lpSubItem; } } } return NULL; } /*** * DESCRIPTION: * Calculates the width of an item. * * PARAMETER(S): * [I] HWND : window handle * [I] LONG : window style * * RETURN: * Returns item width. */ static INT LISTVIEW_GetItemWidth(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LONG style = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = style & LVS_TYPEMASK; INT nHeaderItemCount; RECT rcHeaderItem; INT nItemWidth = 0; INT nLabelWidth; INT i; TRACE("(hwnd=%x)\n", hwnd); if (uView == LVS_ICON) { nItemWidth = infoPtr->iconSpacing.cx; } else if (uView == LVS_REPORT) { /* calculate width of header */ nHeaderItemCount = Header_GetItemCount(infoPtr->hwndHeader); for (i = 0; i < nHeaderItemCount; i++) { if (Header_GetItemRect(infoPtr->hwndHeader, i, &rcHeaderItem) != 0) { nItemWidth += (rcHeaderItem.right - rcHeaderItem.left); } } } else { for (i = 0; i < GETITEMCOUNT(infoPtr); i++) { nLabelWidth = LISTVIEW_GetLabelWidth(hwnd, i); nItemWidth = max(nItemWidth, nLabelWidth); } /* default label size */ if (GETITEMCOUNT(infoPtr) == 0) { nItemWidth = DEFAULT_COLUMN_WIDTH; } else { if (nItemWidth == 0) { nItemWidth = DEFAULT_LABEL_WIDTH; } else { /* add padding */ nItemWidth += WIDTH_PADDING; if (infoPtr->himlSmall != NULL) { nItemWidth += infoPtr->iconSize.cx; } if (infoPtr->himlState != NULL) { nItemWidth += infoPtr->iconSize.cx; } } } } if(nItemWidth == 0) { /* nItemWidth Cannot be Zero */ nItemWidth = 1; } return nItemWidth; } /*** * DESCRIPTION: * Calculates the width of a specific item. * * PARAMETER(S): * [I] HWND : window handle * [I] LPSTR : string * * RETURN: * Returns the width of an item width a specified string. */ static INT LISTVIEW_CalculateWidth(HWND hwnd, INT nItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; INT nHeaderItemCount; RECT rcHeaderItem; INT nItemWidth = 0; INT i; TRACE("(hwnd=%x)\n", hwnd); if (uView == LVS_ICON) { nItemWidth = infoPtr->iconSpacing.cx; } else if (uView == LVS_REPORT) { /* calculate width of header */ nHeaderItemCount = Header_GetItemCount(infoPtr->hwndHeader); for (i = 0; i < nHeaderItemCount; i++) { if (Header_GetItemRect(infoPtr->hwndHeader, i, &rcHeaderItem) != 0) { nItemWidth += (rcHeaderItem.right - rcHeaderItem.left); } } } else { /* get width of string */ nItemWidth = LISTVIEW_GetLabelWidth(hwnd, nItem); /* default label size */ if (GETITEMCOUNT(infoPtr) == 0) { nItemWidth = DEFAULT_COLUMN_WIDTH; } else { if (nItemWidth == 0) { nItemWidth = DEFAULT_LABEL_WIDTH; } else { /* add padding */ nItemWidth += WIDTH_PADDING; if (infoPtr->himlSmall != NULL) { nItemWidth += infoPtr->iconSize.cx; } if (infoPtr->himlState != NULL) { nItemWidth += infoPtr->iconSize.cx; } } } } return nItemWidth; } /*** * DESCRIPTION: * Calculates the height of an item. * * PARAMETER(S): * [I] HWND : window handle * [I] LONG : window style * * RETURN: * Returns item height. */ static INT LISTVIEW_GetItemHeight(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; INT nItemHeight = 0; if (uView == LVS_ICON) { nItemHeight = infoPtr->iconSpacing.cy; } else { TEXTMETRICA tm; HDC hdc = GetDC(hwnd); HFONT hOldFont = SelectObject(hdc, infoPtr->hFont); GetTextMetricsA(hdc, &tm); if(infoPtr->himlState || infoPtr->himlSmall) nItemHeight = max(tm.tmHeight, infoPtr->iconSize.cy) + HEIGHT_PADDING; else nItemHeight = tm.tmHeight; SelectObject(hdc, hOldFont); ReleaseDC(hwnd, hdc); } return nItemHeight; } static void LISTVIEW_PrintSelectionRanges(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LISTVIEW_SELECTION *selection; INT topSelection = infoPtr->hdpaSelectionRanges->nItemCount; INT i; TRACE("Selections are:\n"); for (i = 0; i < topSelection; i++) { selection = DPA_GetPtr(infoPtr->hdpaSelectionRanges,i); TRACE(" %lu - %lu\n",selection->lower,selection->upper); } } /*** * DESCRIPTION: * A compare function for selection ranges * *PARAMETER(S) * [I] LPVOID : Item 1; * [I] LPVOID : Item 2; * [I] LPARAM : flags * *RETURNS: * >0 : if Item 1 > Item 2 * <0 : if Item 2 > Item 1 * 0 : if Item 1 == Item 2 */ static INT CALLBACK LISTVIEW_CompareSelectionRanges(LPVOID range1, LPVOID range2, LPARAM flags) { int l1 = ((LISTVIEW_SELECTION*)(range1))->lower; int l2 = ((LISTVIEW_SELECTION*)(range2))->lower; int u1 = ((LISTVIEW_SELECTION*)(range1))->upper; int u2 = ((LISTVIEW_SELECTION*)(range2))->upper; int rc=0; if (u1 < l2) rc= -1; if (u2 < l1) rc= 1; return rc; } /** * DESCRIPTION: * Adds a selection range. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : lower item index * [I] INT : upper item index * * RETURN: * None */ static VOID LISTVIEW_AddSelectionRange(HWND hwnd, INT lItem, INT uItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LISTVIEW_SELECTION *selection; INT topSelection = infoPtr->hdpaSelectionRanges->nItemCount; BOOL lowerzero=FALSE; selection = (LISTVIEW_SELECTION *)COMCTL32_Alloc(sizeof(LISTVIEW_SELECTION)); selection->lower = lItem; selection->upper = uItem; TRACE("Add range %i - %i\n",lItem,uItem); if (topSelection) { LISTVIEW_SELECTION *checkselection,*checkselection2; INT index,mergeindex; /* find overlapping selections */ /* we want to catch adjacent ranges so expand our range by 1 */ selection->upper++; if (selection->lower == 0) lowerzero = TRUE; else selection->lower--; index = DPA_Search(infoPtr->hdpaSelectionRanges, selection, 0, LISTVIEW_CompareSelectionRanges, 0,0); selection->upper --; if (lowerzero) lowerzero=FALSE; else selection->lower ++; if (index >=0) { checkselection = DPA_GetPtr(infoPtr->hdpaSelectionRanges,index); TRACE("Merge with index %i (%lu - %lu)\n",index,checkselection->lower, checkselection->upper); checkselection->lower = min(selection->lower,checkselection->lower); checkselection->upper = max(selection->upper,checkselection->upper); TRACE("New range (%lu - %lu)\n", checkselection->lower, checkselection->upper); COMCTL32_Free(selection); /* merge now common selection ranges in the lower group*/ do { checkselection->upper ++; if (checkselection->lower == 0) lowerzero = TRUE; else checkselection->lower --; TRACE("search lower range (%lu - %lu)\n", checkselection->lower, checkselection->upper); /* not sorted yet */ mergeindex = DPA_Search(infoPtr->hdpaSelectionRanges, checkselection, 0, LISTVIEW_CompareSelectionRanges, 0, 0); checkselection->upper --; if (lowerzero) lowerzero = FALSE; else checkselection->lower ++; if (mergeindex >=0 && mergeindex != index) { TRACE("Merge with index %i\n",mergeindex); checkselection2 = DPA_GetPtr(infoPtr->hdpaSelectionRanges, mergeindex); checkselection->lower = min(checkselection->lower, checkselection2->lower); checkselection->upper = max(checkselection->upper, checkselection2->upper); COMCTL32_Free(checkselection2); DPA_DeletePtr(infoPtr->hdpaSelectionRanges,mergeindex); index --; } } while (mergeindex > -1 && mergeindex upper ++; if (checkselection->lower == 0) lowerzero = TRUE; else checkselection->lower --; TRACE("search upper range %i (%lu - %lu)\n",index, checkselection->lower, checkselection->upper); /* not sorted yet */ mergeindex = DPA_Search(infoPtr->hdpaSelectionRanges, checkselection, index+1, LISTVIEW_CompareSelectionRanges, 0, 0); checkselection->upper --; if (lowerzero) lowerzero = FALSE; else checkselection->lower ++; if (mergeindex >=0 && mergeindex !=index) { TRACE("Merge with index %i\n",mergeindex); checkselection2 = DPA_GetPtr(infoPtr->hdpaSelectionRanges, mergeindex); checkselection->lower = min(checkselection->lower, checkselection2->lower); checkselection->upper = max(checkselection->upper, checkselection2->upper); COMCTL32_Free(checkselection2); DPA_DeletePtr(infoPtr->hdpaSelectionRanges,mergeindex); } } while (mergeindex > -1); } else { index = DPA_Search(infoPtr->hdpaSelectionRanges, selection, 0, LISTVIEW_CompareSelectionRanges, 0, DPAS_INSERTAFTER); TRACE("Insert before index %i\n",index); if (index == -1) index = 0; DPA_InsertPtr(infoPtr->hdpaSelectionRanges,index,selection); } } else { DPA_InsertPtr(infoPtr->hdpaSelectionRanges,0,selection); } /* * Incase of error */ DPA_Sort(infoPtr->hdpaSelectionRanges,LISTVIEW_CompareSelectionRanges,0); LISTVIEW_PrintSelectionRanges(hwnd); } /** * DESCRIPTION: * check if a specified index is selected. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * * RETURN: * None */ static BOOL LISTVIEW_IsSelected(HWND hwnd, INT nItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LISTVIEW_SELECTION selection; INT index; selection.upper = nItem; selection.lower = nItem; index = DPA_Search(infoPtr->hdpaSelectionRanges, &selection, 0, LISTVIEW_CompareSelectionRanges, 0,DPAS_SORTED); if (index != -1) return TRUE; else return FALSE; } /*** * DESCRIPTION: * Removes all selection ranges * * Parameters(s): * HWND: window handle * * RETURNS: * SUCCESS : TRUE * FAILURE : TRUE */ static LRESULT LISTVIEW_RemoveAllSelections(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LISTVIEW_SELECTION *selection; INT i; LVITEMA item; TRACE("(0x%x)\n",hwnd); ZeroMemory(&item,sizeof(LVITEMA)); item.stateMask = LVIS_SELECTED; do { selection = DPA_GetPtr(infoPtr->hdpaSelectionRanges,0); if (selection) { TRACE("Removing %lu to %lu\n",selection->lower, selection->upper); for (i = selection->lower; i<=selection->upper; i++) LISTVIEW_SetItemState(hwnd,i,&item); LISTVIEW_RemoveSelectionRange(hwnd,selection->lower,selection->upper); } } while (infoPtr->hdpaSelectionRanges->nItemCount>0); TRACE("done\n"); return TRUE; } /** * DESCRIPTION: * Removes a range selections. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : lower item index * [I] INT : upper item index * * RETURN: * None */ static VOID LISTVIEW_RemoveSelectionRange(HWND hwnd, INT lItem, INT uItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LISTVIEW_SELECTION removeselection,*checkselection; INT index; removeselection.lower = lItem; removeselection.upper = uItem; TRACE("Remove range %lu - %lu\n",removeselection.lower,removeselection.upper); LISTVIEW_PrintSelectionRanges(hwnd); index = DPA_Search(infoPtr->hdpaSelectionRanges, &removeselection, 0, LISTVIEW_CompareSelectionRanges, 0,0); if (index == -1) return; checkselection = DPA_GetPtr(infoPtr->hdpaSelectionRanges, index); TRACE("Matches range index %i (%lu-%lu)\n",index,checkselection->lower, checkselection->upper); /* case 1: Same */ if ((checkselection->upper == removeselection.upper) && (checkselection->lower == removeselection.lower)) { DPA_DeletePtr(infoPtr->hdpaSelectionRanges,index); TRACE("Case 1\n"); } /* case 2: engulf */ else if (((checkselection->upper < removeselection.upper) && (checkselection->lower > removeselection.lower))|| ((checkselection->upper <= removeselection.upper) && (checkselection->lower > removeselection.lower)) || ((checkselection->upper < removeselection.upper) && (checkselection->lower >= removeselection.lower))) { DPA_DeletePtr(infoPtr->hdpaSelectionRanges,index); /* do it again because others may also get caught */ TRACE("Case 2\n"); LISTVIEW_RemoveSelectionRange(hwnd,lItem,uItem); } /* case 3: overlap upper */ else if ((checkselection->upper < removeselection.upper) && (checkselection->lower < removeselection.lower)) { checkselection->upper = removeselection.lower - 1; TRACE("Case 3\n"); LISTVIEW_RemoveSelectionRange(hwnd,lItem,uItem); } /* case 4: overlap lower */ else if ((checkselection->upper > removeselection.upper) && (checkselection->lower > removeselection.lower)) { checkselection->lower = removeselection.upper + 1; TRACE("Case 4\n"); LISTVIEW_RemoveSelectionRange(hwnd,lItem,uItem); } /* case 5: fully internal */ else if (checkselection->upper == removeselection.upper) checkselection->upper = removeselection.lower - 1; else if (checkselection->lower == removeselection.lower) checkselection->lower = removeselection.upper + 1; else { /* bisect the range */ LISTVIEW_SELECTION *newselection; newselection = (LISTVIEW_SELECTION *) COMCTL32_Alloc(sizeof(LISTVIEW_SELECTION)); newselection -> lower = checkselection->lower; newselection -> upper = removeselection.lower - 1; checkselection -> lower = removeselection.upper + 1; DPA_InsertPtr(infoPtr->hdpaSelectionRanges,index,newselection); TRACE("Case 5\n"); DPA_Sort(infoPtr->hdpaSelectionRanges,LISTVIEW_CompareSelectionRanges,0); } LISTVIEW_PrintSelectionRanges(hwnd); } /** * DESCRIPTION: * shifts all selection indexs starting with the indesx specified * in the direction specified. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * [I] INT : amount and direction of shift * * RETURN: * None */ static VOID LISTVIEW_ShiftSelections(HWND hwnd, INT nItem, INT direction) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LISTVIEW_SELECTION selection,*checkselection; INT index; TRACE("Shifting %iu, %i steps\n",nItem,direction); selection.upper = nItem; selection.lower = nItem; index = DPA_Search(infoPtr->hdpaSelectionRanges, &selection, 0, LISTVIEW_CompareSelectionRanges, 0,DPAS_SORTED|DPAS_INSERTAFTER); while ((index < infoPtr->hdpaSelectionRanges->nItemCount)&&(index != -1)) { checkselection = DPA_GetPtr(infoPtr->hdpaSelectionRanges,index); if ((checkselection->lower >= nItem)&& (checkselection->lower + direction >= 0)) checkselection->lower += direction; if ((checkselection->upper >= nItem)&& (checkselection->upper + direction >=0)) checkselection->upper += direction; index ++; } } /** * DESCRIPTION: * Adds a block of selections. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * * RETURN: * None */ static VOID LISTVIEW_AddGroupSelection(HWND hwnd, INT nItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); INT nFirst = min(infoPtr->nSelectionMark, nItem); INT nLast = max(infoPtr->nSelectionMark, nItem); INT i; LVITEMA item; ZeroMemory(&item,sizeof(LVITEMA)); item.stateMask = LVIS_SELECTED; item.state = LVIS_SELECTED; for (i = nFirst; i <= nLast; i++); { LISTVIEW_SetItemState(hwnd,i,&item); } LISTVIEW_SetItemFocus(hwnd, nItem); infoPtr->nSelectionMark = nItem; } /*** * DESCRIPTION: * Adds a single selection. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * * RETURN: * None */ static VOID LISTVIEW_AddSelection(HWND hwnd, INT nItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LVITEMA item; ZeroMemory(&item,sizeof(LVITEMA)); item.state = LVIS_SELECTED; item.stateMask = LVIS_SELECTED; LISTVIEW_SetItemState(hwnd,nItem,&item); LISTVIEW_SetItemFocus(hwnd, nItem); infoPtr->nSelectionMark = nItem; } /*** * DESCRIPTION: * Selects or unselects an item. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * * RETURN: * SELECT: TRUE * UNSELECT : FALSE */ static BOOL LISTVIEW_ToggleSelection(HWND hwnd, INT nItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); BOOL bResult; LVITEMA item; ZeroMemory(&item,sizeof(LVITEMA)); item.stateMask = LVIS_SELECTED; if (LISTVIEW_IsSelected(hwnd,nItem)) { LISTVIEW_SetItemState(hwnd,nItem,&item); bResult = FALSE; } else { item.state = LVIS_SELECTED; LISTVIEW_SetItemState(hwnd,nItem,&item); bResult = TRUE; } LISTVIEW_SetItemFocus(hwnd, nItem); infoPtr->nSelectionMark = nItem; return bResult; } /*** * DESCRIPTION: * Selects items based on view coordinates. * * PARAMETER(S): * [I] HWND : window handle * [I] RECT : selection rectangle * * RETURN: * None */ static VOID LISTVIEW_SetSelectionRect(HWND hwnd, RECT rcSelRect) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); POINT ptItem; INT i; LVITEMA item; ZeroMemory(&item,sizeof(LVITEMA)); item.stateMask = LVIS_SELECTED; for (i = 0; i < GETITEMCOUNT(infoPtr); i++) { LISTVIEW_GetItemPosition(hwnd, i, &ptItem); if (PtInRect(&rcSelRect, ptItem) != FALSE) { item.state = LVIS_SELECTED; LISTVIEW_SetItemState(hwnd,i,&item); } else { item.state = 0; LISTVIEW_SetItemState(hwnd,i,&item); } } } /*** * DESCRIPTION: * Sets a single group selection. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * * RETURN: * None */ static VOID LISTVIEW_SetGroupSelection(HWND hwnd, INT nItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; LVITEMA item; ZeroMemory(&item,sizeof(LVITEMA)); item.stateMask = LVIS_SELECTED; if ((uView == LVS_LIST) || (uView == LVS_REPORT)) { INT i; INT nFirst = min(infoPtr->nSelectionMark, nItem); INT nLast = max(infoPtr->nSelectionMark, nItem); for (i = 0; i <= GETITEMCOUNT(infoPtr); i++) { if ((i < nFirst) || (i > nLast)) { item.state = 0; LISTVIEW_SetItemState(hwnd,i,&item); } else { item.state = LVIS_SELECTED; LISTVIEW_SetItemState(hwnd,i,&item); } } } else { POINT ptItem; POINT ptSelMark; RECT rcSel; LISTVIEW_GetItemPosition(hwnd, nItem, &ptItem); LISTVIEW_GetItemPosition(hwnd, infoPtr->nSelectionMark, &ptSelMark); rcSel.left = min(ptSelMark.x, ptItem.x); rcSel.top = min(ptSelMark.y, ptItem.y); rcSel.right = max(ptSelMark.x, ptItem.x) + infoPtr->nItemWidth; rcSel.bottom = max(ptSelMark.y, ptItem.y) + infoPtr->nItemHeight; LISTVIEW_SetSelectionRect(hwnd, rcSel); } LISTVIEW_SetItemFocus(hwnd, nItem); } /*** * DESCRIPTION: * Manages the item focus. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * * RETURN: * TRUE : focused item changed * FALSE : focused item has NOT changed */ static BOOL LISTVIEW_SetItemFocus(HWND hwnd, INT nItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); BOOL bResult = FALSE; LVITEMA lvItem; if (infoPtr->nFocusedItem != nItem) { if (infoPtr->nFocusedItem >= 0) { INT oldFocus = infoPtr->nFocusedItem; bResult = TRUE; infoPtr->nFocusedItem = -1; ZeroMemory(&lvItem, sizeof(LVITEMA)); lvItem.stateMask = LVIS_FOCUSED; ListView_SetItemState(hwnd, oldFocus, &lvItem); } lvItem.state = LVIS_FOCUSED; lvItem.stateMask = LVIS_FOCUSED; ListView_SetItemState(hwnd, nItem, &lvItem); infoPtr->nFocusedItem = nItem; ListView_EnsureVisible(hwnd, nItem, FALSE); } return bResult; } /*** * DESCRIPTION: * Sets a single selection. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * * RETURN: * None */ static VOID LISTVIEW_SetSelection(HWND hwnd, INT nItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LVITEMA lvItem; ZeroMemory(&lvItem, sizeof(LVITEMA)); lvItem.stateMask = LVIS_FOCUSED; ListView_SetItemState(hwnd, infoPtr->nFocusedItem, &lvItem); LISTVIEW_RemoveAllSelections(hwnd); lvItem.state = LVIS_FOCUSED|LVIS_SELECTED; lvItem.stateMask = LVIS_FOCUSED|LVIS_SELECTED; ListView_SetItemState(hwnd, nItem, &lvItem); infoPtr->nFocusedItem = nItem; infoPtr->nSelectionMark = nItem; } /*** * DESCRIPTION: * Set selection(s) with keyboard. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * * RETURN: * SUCCESS : TRUE (needs to be repainted) * FAILURE : FALSE (nothing has changed) */ static BOOL LISTVIEW_KeySelection(HWND hwnd, INT nItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); WORD wShift = HIWORD(GetKeyState(VK_SHIFT)); WORD wCtrl = HIWORD(GetKeyState(VK_CONTROL)); BOOL bResult = FALSE; if ((nItem >= 0) && (nItem < GETITEMCOUNT(infoPtr))) { if (lStyle & LVS_SINGLESEL) { bResult = TRUE; LISTVIEW_SetSelection(hwnd, nItem); ListView_EnsureVisible(hwnd, nItem, FALSE); } else { if (wShift) { bResult = TRUE; LISTVIEW_SetGroupSelection(hwnd, nItem); } else if (wCtrl) { bResult = LISTVIEW_SetItemFocus(hwnd, nItem); } else { bResult = TRUE; LISTVIEW_SetSelection(hwnd, nItem); ListView_EnsureVisible(hwnd, nItem, FALSE); } } } return bResult; } /*** * DESCRIPTION: * Called when the mouse is being actively tracked and has hovered for a specified * amount of time * * PARAMETER(S): * [I] HWND : window handle * [I] wParam : key indicator * [I] lParam : mouse position * * RETURN: * 0 if the message was processed, non-zero if there was an error * * INFO: * LVS_EX_TRACKSELECT: An item is automatically selected when the cursor remains * over the item for a certain period of time. * */ static LRESULT LISTVIEW_MouseHover(HWND hwnd, WPARAM wParam, LPARAM lParam) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); POINT pt; pt.x = (INT)LOWORD(lParam); pt.y = (INT)HIWORD(lParam); if(infoPtr->dwExStyle & LVS_EX_TRACKSELECT) { /* select the item under the cursor */ LISTVIEW_MouseSelection(hwnd, pt); } return 0; } /*** * DESCRIPTION: * Called whenever WM_MOUSEMOVE is recieved. * * PARAMETER(S): * [I] HWND : window handle * [I] wParam : key indicators * [I] lParam : cursor position * * RETURN: * 0 if the message is processed, non-zero if there was an error */ static LRESULT LISTVIEW_MouseMove(HWND hwnd, WPARAM wParam, LPARAM lParam) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); TRACKMOUSEEVENT trackinfo; /* see if we are supposed to be tracking mouse hovering */ if(infoPtr->dwExStyle & LVS_EX_TRACKSELECT) { /* fill in the trackinfo struct */ trackinfo.cbSize = sizeof(TRACKMOUSEEVENT); trackinfo.dwFlags = TME_QUERY; trackinfo.hwndTrack = hwnd; trackinfo.dwHoverTime = infoPtr->dwHoverTime; /* see if we are already tracking this hwnd */ _TrackMouseEvent(&trackinfo); if(!(trackinfo.dwFlags & TME_HOVER)) { trackinfo.dwFlags = TME_HOVER; /* call TRACKMOUSEEVENT so we recieve WM_MOUSEHOVER messages */ _TrackMouseEvent(&trackinfo); } } return 0; } /*** * DESCRIPTION: * Selects an item based on coordinates. * * PARAMETER(S): * [I] HWND : window handle * [I] POINT : mouse click ccordinates * * RETURN: * SUCCESS : item index * FAILURE : -1 */ static LRESULT LISTVIEW_MouseSelection(HWND hwnd, POINT pt) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); RECT rcItem; INT i,topindex,bottomindex; LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = lStyle & LVS_TYPEMASK; topindex = ListView_GetTopIndex(hwnd); if (uView == LVS_REPORT) { bottomindex = topindex + LISTVIEW_GetCountPerColumn(hwnd) + 1; bottomindex = min(bottomindex,GETITEMCOUNT(infoPtr)); } else { bottomindex = GETITEMCOUNT(infoPtr); } for (i = topindex; i < bottomindex; i++) { rcItem.left = LVIR_SELECTBOUNDS; if (LISTVIEW_GetItemRect(hwnd, i, &rcItem) == TRUE) { if (PtInRect(&rcItem, pt) != FALSE) { return i; } } } return -1; } /*** * DESCRIPTION: * Removes a column. * * PARAMETER(S): * [IO] HDPA : dynamic pointer array handle * [I] INT : column index (subitem index) * * RETURN: * SUCCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_RemoveColumn(HDPA hdpaItems, INT nSubItem) { BOOL bResult = TRUE; HDPA hdpaSubItems; INT i; for (i = 0; i < hdpaItems->nItemCount; i++) { hdpaSubItems = (HDPA)DPA_GetPtr(hdpaItems, i); if (hdpaSubItems != NULL) { if (LISTVIEW_RemoveSubItem(hdpaSubItems, nSubItem) == FALSE) { bResult = FALSE; } } } return bResult; } /*** * DESCRIPTION: * Removes a subitem at a given position. * * PARAMETER(S): * [IO] HDPA : dynamic pointer array handle * [I] INT : subitem index * * RETURN: * SUCCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_RemoveSubItem(HDPA hdpaSubItems, INT nSubItem) { LISTVIEW_SUBITEM *lpSubItem; INT i; for (i = 1; i < hdpaSubItems->nItemCount; i++) { lpSubItem = (LISTVIEW_SUBITEM *)DPA_GetPtr(hdpaSubItems, i); if (lpSubItem != NULL) { if (lpSubItem->iSubItem == nSubItem) { /* free string */ if ((lpSubItem->pszText != NULL) && (lpSubItem->pszText != LPSTR_TEXTCALLBACKA)) { COMCTL32_Free(lpSubItem->pszText); } /* free item */ COMCTL32_Free(lpSubItem); /* free dpa memory */ if (DPA_DeletePtr(hdpaSubItems, i) == NULL) { return FALSE; } } else if (lpSubItem->iSubItem > nSubItem) { return TRUE; } } } return TRUE; } /*** * DESCRIPTION: * Compares the item information. * * PARAMETER(S): * [I] LISTVIEW_ITEM *: destination item * [I] LPLVITEM : source item * * RETURN: * SUCCCESS : TRUE (EQUAL) * FAILURE : FALSE (NOT EQUAL) */ static UINT LISTVIEW_GetItemChanges(LISTVIEW_ITEM *lpItem, LPLVITEMA lpLVItem) { UINT uChanged = 0; if ((lpItem != NULL) && (lpLVItem != NULL)) { if (lpLVItem->mask & LVIF_STATE) { if ((lpItem->state & lpLVItem->stateMask) != (lpLVItem->state & lpLVItem->stateMask)) { uChanged |= LVIF_STATE; } } if (lpLVItem->mask & LVIF_IMAGE) { if (lpItem->iImage != lpLVItem->iImage) { uChanged |= LVIF_IMAGE; } } if (lpLVItem->mask & LVIF_PARAM) { if (lpItem->lParam != lpLVItem->lParam) { uChanged |= LVIF_PARAM; } } if (lpLVItem->mask & LVIF_INDENT) { if (lpItem->iIndent != lpLVItem->iIndent) { uChanged |= LVIF_INDENT; } } if (lpLVItem->mask & LVIF_TEXT) { if (lpLVItem->pszText == LPSTR_TEXTCALLBACKA) { if (lpItem->pszText != LPSTR_TEXTCALLBACKA) { uChanged |= LVIF_TEXT; } } else { if (lpItem->pszText == LPSTR_TEXTCALLBACKA) { uChanged |= LVIF_TEXT; } else { if (lpLVItem->pszText) { if (lpItem->pszText) { if (strcmp(lpLVItem->pszText, lpItem->pszText) != 0) { uChanged |= LVIF_TEXT; } } else { uChanged |= LVIF_TEXT; } } else { if (lpItem->pszText) { uChanged |= LVIF_TEXT; } } } } } } return uChanged; } /*** * DESCRIPTION: * Initializes item attributes. * * PARAMETER(S): * [I] HWND : window handle * [O] LISTVIEW_ITEM *: destination item * [I] LPLVITEM : source item * * RETURN: * SUCCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_InitItem(HWND hwnd, LISTVIEW_ITEM *lpItem, LPLVITEMA lpLVItem) { LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); BOOL bResult = FALSE; if ((lpItem != NULL) && (lpLVItem != NULL)) { bResult = TRUE; if (lpLVItem->mask & LVIF_STATE) { lpItem->state &= ~lpLVItem->stateMask; lpItem->state |= (lpLVItem->state & lpLVItem->stateMask); } if (lpLVItem->mask & LVIF_IMAGE) { lpItem->iImage = lpLVItem->iImage; } if (lpLVItem->mask & LVIF_PARAM) { lpItem->lParam = lpLVItem->lParam; } if (lpLVItem->mask & LVIF_INDENT) { lpItem->iIndent = lpLVItem->iIndent; } if (lpLVItem->mask & LVIF_TEXT) { if (lpLVItem->pszText == LPSTR_TEXTCALLBACKA) { if ((lStyle & LVS_SORTASCENDING) || (lStyle & LVS_SORTDESCENDING)) { return FALSE; } if ((lpItem->pszText != NULL) && (lpItem->pszText != LPSTR_TEXTCALLBACKA)) { COMCTL32_Free(lpItem->pszText); } lpItem->pszText = LPSTR_TEXTCALLBACKA; } else { if (lpItem->pszText == LPSTR_TEXTCALLBACKA) { lpItem->pszText = NULL; } bResult = Str_SetPtrA(&lpItem->pszText, lpLVItem->pszText); } } } return bResult; } /*** * DESCRIPTION: * Initializes subitem attributes. * * NOTE: The documentation specifies that the operation fails if the user * tries to set the indent of a subitem. * * PARAMETER(S): * [I] HWND : window handle * [O] LISTVIEW_SUBITEM *: destination subitem * [I] LPLVITEM : source subitem * * RETURN: * SUCCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_InitSubItem(HWND hwnd, LISTVIEW_SUBITEM *lpSubItem, LPLVITEMA lpLVItem) { LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); BOOL bResult = FALSE; if ((lpSubItem != NULL) && (lpLVItem != NULL)) { if (!(lpLVItem->mask & LVIF_INDENT)) { bResult = TRUE; lpSubItem->iSubItem = lpLVItem->iSubItem; if (lpLVItem->mask & LVIF_IMAGE) { lpSubItem->iImage = lpLVItem->iImage; } if (lpLVItem->mask & LVIF_TEXT) { if (lpLVItem->pszText == LPSTR_TEXTCALLBACKA) { if ((lStyle & LVS_SORTASCENDING) || (lStyle & LVS_SORTDESCENDING)) { return FALSE; } if ((lpSubItem->pszText != NULL) && (lpSubItem->pszText != LPSTR_TEXTCALLBACKA)) { COMCTL32_Free(lpSubItem->pszText); } lpSubItem->pszText = LPSTR_TEXTCALLBACKA; } else { if (lpSubItem->pszText == LPSTR_TEXTCALLBACKA) { lpSubItem->pszText = NULL; } bResult = Str_SetPtrA(&lpSubItem->pszText, lpLVItem->pszText); } } } } return bResult; } /*** * DESCRIPTION: * Adds a subitem at a given position (column index). * * PARAMETER(S): * [I] HWND : window handle * [I] LPLVITEM : new subitem atttributes * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_AddSubItem(HWND hwnd, LPLVITEMA lpLVItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LISTVIEW_SUBITEM *lpSubItem = NULL; BOOL bResult = FALSE; HDPA hdpaSubItems; INT nPosition, nItem; LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); if (lStyle & LVS_OWNERDATA) return FALSE; if (lpLVItem != NULL) { hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, lpLVItem->iItem); if (hdpaSubItems != NULL) { lpSubItem = (LISTVIEW_SUBITEM *)COMCTL32_Alloc(sizeof(LISTVIEW_SUBITEM)); if (lpSubItem != NULL) { ZeroMemory(lpSubItem, sizeof(LISTVIEW_SUBITEM)); if (LISTVIEW_InitSubItem(hwnd, lpSubItem, lpLVItem) != FALSE) { nPosition = LISTVIEW_FindInsertPosition(hdpaSubItems, lpSubItem->iSubItem); nItem = DPA_InsertPtr(hdpaSubItems, nPosition, lpSubItem); if (nItem != -1) { bResult = TRUE; } } } } } /* cleanup if unsuccessful */ if ((bResult == FALSE) && (lpSubItem != NULL)) { COMCTL32_Free(lpSubItem); } return bResult; } /*** * DESCRIPTION: * Finds the dpa insert position (array index). * * PARAMETER(S): * [I] HWND : window handle * [I] INT : subitem index * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static INT LISTVIEW_FindInsertPosition(HDPA hdpaSubItems, INT nSubItem) { LISTVIEW_SUBITEM *lpSubItem; INT i; for (i = 1; i < hdpaSubItems->nItemCount; i++) { lpSubItem = (LISTVIEW_SUBITEM *)DPA_GetPtr(hdpaSubItems, i); if (lpSubItem != NULL) { if (lpSubItem->iSubItem > nSubItem) { return i; } } } return hdpaSubItems->nItemCount; } /*** * DESCRIPTION: * Retrieves a listview subitem at a given position (column index). * * PARAMETER(S): * [I] HWND : window handle * [I] INT : subitem index * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LISTVIEW_SUBITEM* LISTVIEW_GetSubItem(HDPA hdpaSubItems, INT nSubItem) { LISTVIEW_SUBITEM *lpSubItem; INT i; for (i = 1; i < hdpaSubItems->nItemCount; i++) { lpSubItem = (LISTVIEW_SUBITEM *)DPA_GetPtr(hdpaSubItems, i); if (lpSubItem != NULL) { if (lpSubItem->iSubItem == nSubItem) { return lpSubItem; } else if (lpSubItem->iSubItem > nSubItem) { return NULL; } } } return NULL; } /*** * DESCRIPTION: * Sets item attributes. * * PARAMETER(S): * [I] HWND : window handle * [I] LPLVITEM : new item atttributes * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_SetItem(HWND hwnd, LPLVITEMA lpLVItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); BOOL bResult = FALSE; HDPA hdpaSubItems; LISTVIEW_ITEM *lpItem; NMLISTVIEW nmlv; LONG lCtrlId = GetWindowLongA(hwnd, GWL_ID); LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uChanged; UINT uView = lStyle & LVS_TYPEMASK; INT item_width; RECT rcItem; if (lStyle & LVS_OWNERDATA) { if ((lpLVItem->iSubItem == 0)&&(lpLVItem->mask == LVIF_STATE)) { LVITEMA itm; ZeroMemory(&itm,sizeof(LVITEMA)); itm.mask = LVIF_STATE | LVIF_PARAM; itm.stateMask = LVIS_FOCUSED | LVIS_SELECTED; itm.iItem = lpLVItem->iItem; itm.iSubItem = 0; ListView_GetItemA(hwnd,&itm); ZeroMemory(&nmlv, sizeof(NMLISTVIEW)); nmlv.hdr.hwndFrom = hwnd; nmlv.hdr.idFrom = lCtrlId; nmlv.hdr.code = LVN_ITEMCHANGING; nmlv.uNewState = lpLVItem->state; nmlv.uOldState = itm.state; nmlv.uChanged = LVIF_STATE; nmlv.lParam = itm.lParam; nmlv.iItem = lpLVItem->iItem; if ((itm.state & lpLVItem->stateMask) != (lpLVItem->state & lpLVItem->stateMask)) { /* send LVN_ITEMCHANGING notification */ if (!ListView_LVNotify(GetParent(hwnd), lCtrlId, &nmlv)) { if (lpLVItem->stateMask & LVIS_FOCUSED) { if (lpLVItem->state & LVIS_FOCUSED) infoPtr->nFocusedItem = lpLVItem->iItem; else if (infoPtr->nFocusedItem == lpLVItem->iItem) infoPtr->nFocusedItem = -1; } if (lpLVItem->stateMask & LVIS_SELECTED) { if (lpLVItem->state & LVIS_SELECTED) LISTVIEW_AddSelectionRange(hwnd,lpLVItem->iItem,lpLVItem->iItem); else LISTVIEW_RemoveSelectionRange(hwnd,lpLVItem->iItem, lpLVItem->iItem); } nmlv.hdr.code = LVN_ITEMCHANGED; ListView_LVNotify(GetParent(hwnd), lCtrlId, &nmlv); rcItem.left = LVIR_BOUNDS; LISTVIEW_GetItemRect(hwnd, lpLVItem->iItem, &rcItem); InvalidateRect(hwnd, &rcItem, TRUE); } } return TRUE; } return FALSE; } if (lpLVItem != NULL) { if (lpLVItem->iSubItem == 0) { hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, lpLVItem->iItem); if (hdpaSubItems != NULL && hdpaSubItems != (HDPA)-1) { lpItem = (LISTVIEW_ITEM *)DPA_GetPtr(hdpaSubItems, lpLVItem->iSubItem); if (lpItem != NULL) { ZeroMemory(&nmlv, sizeof(NMLISTVIEW)); nmlv.hdr.hwndFrom = hwnd; nmlv.hdr.idFrom = lCtrlId; nmlv.hdr.code = LVN_ITEMCHANGING; nmlv.lParam = lpItem->lParam; uChanged = LISTVIEW_GetItemChanges(lpItem, lpLVItem); if (uChanged != 0) { if (uChanged & LVIF_STATE) { nmlv.uNewState = lpLVItem->state & lpLVItem->stateMask; nmlv.uOldState = lpItem->state & lpLVItem->stateMask; if (nmlv.uNewState & LVIS_SELECTED) { /* * This is redundant if called through SetSelection * * however is required if the used directly calls SetItem * to set the selection. */ if (lStyle & LVS_SINGLESEL) { LISTVIEW_RemoveAllSelections(hwnd); } LISTVIEW_AddSelectionRange(hwnd,lpLVItem->iItem, lpLVItem->iItem); } else if (lpLVItem->stateMask & LVIS_SELECTED) { LISTVIEW_RemoveSelectionRange(hwnd,lpLVItem->iItem, lpLVItem->iItem); } if (nmlv.uNewState & LVIS_FOCUSED) { /* * This is a fun hoop to jump to try to catch if * the user is calling us directly to call focus or if * this function is being called as a result of a * SetItemFocus call. */ if (infoPtr->nFocusedItem >= 0) LISTVIEW_SetItemFocus(hwnd, lpLVItem->iItem); } } nmlv.uChanged = uChanged; nmlv.iItem = lpLVItem->iItem; nmlv.lParam = lpItem->lParam; /* send LVN_ITEMCHANGING notification */ ListView_LVNotify(GetParent(hwnd), lCtrlId, &nmlv); /* copy information */ bResult = LISTVIEW_InitItem(hwnd, lpItem, lpLVItem); /* if LVS_LIST or LVS_SMALLICON, update the width of the items based on the width of the items text */ if((uView == LVS_LIST) || (uView == LVS_SMALLICON)) { item_width = LISTVIEW_GetStringWidthA(hwnd, lpItem->pszText); if(item_width > infoPtr->nItemWidth) infoPtr->nItemWidth = item_width; } /* send LVN_ITEMCHANGED notification */ nmlv.hdr.code = LVN_ITEMCHANGED; ListView_LVNotify(GetParent(hwnd), lCtrlId, &nmlv); } else { bResult = TRUE; } if (uChanged) { rcItem.left = LVIR_BOUNDS; LISTVIEW_GetItemRect(hwnd, lpLVItem->iItem, &rcItem); InvalidateRect(hwnd, &rcItem, TRUE); } } } } } return bResult; } /*** * DESCRIPTION: * Sets subitem attributes. * * PARAMETER(S): * [I] HWND : window handle * [I] LPLVITEM : new subitem atttributes * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_SetSubItem(HWND hwnd, LPLVITEMA lpLVItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); BOOL bResult = FALSE; HDPA hdpaSubItems; LISTVIEW_SUBITEM *lpSubItem; LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); RECT rcItem; if (lStyle & LVS_OWNERDATA) return FALSE; if (lpLVItem != NULL) { if (lpLVItem->iSubItem > 0) { hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, lpLVItem->iItem); if (hdpaSubItems != NULL) { /* set subitem only if column is present */ if (Header_GetItemCount(infoPtr->hwndHeader) > lpLVItem->iSubItem) { lpSubItem = LISTVIEW_GetSubItem(hdpaSubItems, lpLVItem->iSubItem); if (lpSubItem != NULL) { bResult = LISTVIEW_InitSubItem(hwnd, lpSubItem, lpLVItem); } else { bResult = LISTVIEW_AddSubItem(hwnd, lpLVItem); } rcItem.left = LVIR_BOUNDS; LISTVIEW_GetItemRect(hwnd, lpLVItem->iItem, &rcItem); InvalidateRect(hwnd, &rcItem, FALSE); } } } } return bResult; } /*** * DESCRIPTION: * Retrieves the index of the item at coordinate (0, 0) of the client area. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * item index */ static INT LISTVIEW_GetTopIndex(HWND hwnd) { LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = lStyle & LVS_TYPEMASK; INT nItem = 0; SCROLLINFO scrollInfo; ZeroMemory(&scrollInfo, sizeof(SCROLLINFO)); scrollInfo.cbSize = sizeof(SCROLLINFO); scrollInfo.fMask = SIF_POS; if (uView == LVS_LIST) { if (lStyle & WS_HSCROLL) { if (GetScrollInfo(hwnd, SB_HORZ, &scrollInfo) != FALSE) { nItem = scrollInfo.nPos * LISTVIEW_GetCountPerColumn(hwnd); } } } else if (uView == LVS_REPORT) { if (lStyle & WS_VSCROLL) { if (GetScrollInfo(hwnd, SB_VERT, &scrollInfo) != FALSE) { nItem = scrollInfo.nPos; } } } return nItem; } /*** * DESCRIPTION: * Draws a subitem. * * PARAMETER(S): * [I] HWND : window handle * [I] HDC : device context handle * [I] INT : item index * [I] INT : subitem index * [I] RECT * : clipping rectangle * * RETURN: * None */ static VOID LISTVIEW_DrawSubItem(HWND hwnd, HDC hdc, INT nItem, INT nSubItem, RECT rcItem, BOOL Selected) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); CHAR szDispText[DISP_TEXT_SIZE]; LVITEMA lvItem; UINT textoutOptions = ETO_CLIPPED | ETO_OPAQUE; RECT rcTemp; TRACE("(hwnd=%x, hdc=%x, nItem=%d, nSubItem=%d)\n", hwnd, hdc, nItem, nSubItem); /* get information needed for drawing the item */ ZeroMemory(&lvItem, sizeof(LVITEMA)); lvItem.mask = LVIF_TEXT; lvItem.iItem = nItem; lvItem.iSubItem = nSubItem; lvItem.cchTextMax = DISP_TEXT_SIZE; lvItem.pszText = szDispText; LISTVIEW_GetItemA(hwnd, &lvItem, TRUE); /* redraw the background of the item */ rcTemp = rcItem; if(infoPtr->nColumnCount == (nSubItem + 1)) rcTemp.right = infoPtr->rcList.right; else rcTemp.right+=WIDTH_PADDING; LISTVIEW_FillBackground(hwnd, hdc, &rcTemp); /* set item colors */ if (ListView_GetItemState(hwnd,nItem,LVIS_SELECTED) && Selected) { if (infoPtr->bFocus) { SetBkColor(hdc, GetSysColor(COLOR_HIGHLIGHT)); SetTextColor(hdc, GetSysColor(COLOR_HIGHLIGHTTEXT)); } else { SetBkColor(hdc, GetSysColor(COLOR_3DFACE)); SetTextColor(hdc, GetSysColor(COLOR_BTNTEXT)); } } else { if ( (infoPtr->clrTextBk == CLR_DEFAULT) || (infoPtr->clrTextBk == CLR_NONE) ) { SetBkMode(hdc, TRANSPARENT); textoutOptions &= ~ETO_OPAQUE; } else { SetBkMode(hdc, OPAQUE); SetBkColor(hdc, infoPtr->clrTextBk); } SetTextColor(hdc, infoPtr->clrText); } ExtTextOutA(hdc, rcItem.left, rcItem.top, textoutOptions, &rcItem, lvItem.pszText, lstrlenA(lvItem.pszText), NULL); if (Selected) { /* fill in the gap */ RECT rec; if (nSubItem < Header_GetItemCount(infoPtr->hwndHeader)-1) { CopyRect(&rec,&rcItem); rec.left = rec.right; rec.right = rec.left+REPORT_MARGINX; ExtTextOutA(hdc, rec.left , rec.top, textoutOptions, &rec, NULL, 0, NULL); } CopyRect(&rec,&rcItem); rec.right = rec.left; rec.left = rec.left - REPORT_MARGINX; ExtTextOutA(hdc, rec.left , rec.top, textoutOptions, &rec, NULL, 0, NULL); } } /*** * DESCRIPTION: * Draws an item. * * PARAMETER(S): * [I] HWND : window handle * [I] HDC : device context handle * [I] INT : item index * [I] RECT * : clipping rectangle * * RETURN: * None */ static VOID LISTVIEW_DrawItem(HWND hwnd, HDC hdc, INT nItem, RECT rcItem, BOOL FullSelect, RECT* SuggestedFocus) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); CHAR szDispText[DISP_TEXT_SIZE]; INT nLabelWidth; LVITEMA lvItem; INT nMixMode; DWORD dwBkColor; DWORD dwTextColor,dwTextX; BOOL bImage = FALSE; INT iBkMode = -1; UINT textoutOptions = ETO_OPAQUE | ETO_CLIPPED; RECT rcTemp; TRACE("(hwnd=%x, hdc=%x, nItem=%d)\n", hwnd, hdc, nItem); /* get information needed for drawing the item */ ZeroMemory(&lvItem, sizeof(LVITEMA)); lvItem.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_STATE | LVIF_INDENT; lvItem.stateMask = LVIS_SELECTED | LVIS_STATEIMAGEMASK; lvItem.iItem = nItem; lvItem.iSubItem = 0; lvItem.cchTextMax = DISP_TEXT_SIZE; lvItem.pszText = szDispText; LISTVIEW_GetItemA(hwnd, &lvItem, TRUE); /* redraw the background of the item */ rcTemp = rcItem; if(infoPtr->nColumnCount == (nItem + 1)) rcTemp.right = infoPtr->rcList.right; else rcTemp.right+=WIDTH_PADDING; LISTVIEW_FillBackground(hwnd, hdc, &rcTemp); /* do indent */ if (lvItem.iIndent>0 && infoPtr->iconSize.cx > 0) { rcItem.left += infoPtr->iconSize.cx * lvItem.iIndent; if (SuggestedFocus) SuggestedFocus->left += infoPtr->iconSize.cx * lvItem.iIndent; } /* state icons */ if (infoPtr->himlState != NULL) { UINT uStateImage = (lvItem.state & LVIS_STATEIMAGEMASK) >> 12; if (uStateImage > 0) { ImageList_Draw(infoPtr->himlState, uStateImage - 1, hdc, rcItem.left, rcItem.top, ILD_NORMAL); } rcItem.left += infoPtr->iconSize.cx; if (SuggestedFocus) SuggestedFocus->left += infoPtr->iconSize.cx; bImage = TRUE; } /* small icons */ if (infoPtr->himlSmall != NULL) { if ((lvItem.state & LVIS_SELECTED) && (infoPtr->bFocus != FALSE) && (lvItem.iImage>=0)) { ImageList_SetBkColor(infoPtr->himlSmall, CLR_NONE); ImageList_Draw(infoPtr->himlSmall, lvItem.iImage, hdc, rcItem.left, rcItem.top, ILD_SELECTED); } else if (lvItem.iImage>=0) { ImageList_SetBkColor(infoPtr->himlSmall, CLR_NONE); ImageList_Draw(infoPtr->himlSmall, lvItem.iImage, hdc, rcItem.left, rcItem.top, ILD_NORMAL); } rcItem.left += infoPtr->iconSize.cx; if (SuggestedFocus) SuggestedFocus->left += infoPtr->iconSize.cx; bImage = TRUE; } /* Don't bother painting item being edited */ if (infoPtr->hwndEdit && lvItem.state & LVIS_FOCUSED && !FullSelect) return; if ((lvItem.state & LVIS_SELECTED) && (infoPtr->bFocus != FALSE)) { /* set item colors */ dwBkColor = SetBkColor(hdc, GetSysColor(COLOR_HIGHLIGHT)); dwTextColor = SetTextColor(hdc, GetSysColor(COLOR_HIGHLIGHTTEXT)); /* set raster mode */ nMixMode = SetROP2(hdc, R2_XORPEN); } else if ((GetWindowLongA(hwnd, GWL_STYLE) & LVS_SHOWSELALWAYS) && (lvItem.state & LVIS_SELECTED) && (infoPtr->bFocus == FALSE)) { dwBkColor = SetBkColor(hdc, GetSysColor(COLOR_3DFACE)); dwTextColor = SetTextColor(hdc, GetSysColor(COLOR_BTNTEXT)); /* set raster mode */ nMixMode = SetROP2(hdc, R2_COPYPEN); } else { /* set item colors */ if ( (infoPtr->clrTextBk == CLR_DEFAULT) || (infoPtr->clrTextBk == CLR_NONE) ) { dwBkColor = GetBkColor(hdc); iBkMode = SetBkMode(hdc, TRANSPARENT); textoutOptions &= ~ETO_OPAQUE; } else { dwBkColor = SetBkColor(hdc, infoPtr->clrTextBk); iBkMode = SetBkMode(hdc, OPAQUE); } dwTextColor = SetTextColor(hdc, infoPtr->clrText); /* set raster mode */ nMixMode = SetROP2(hdc, R2_COPYPEN); } nLabelWidth = ListView_GetStringWidthA(hwnd, lvItem.pszText); if (rcItem.left + nLabelWidth < rcItem.right) { if (!FullSelect) rcItem.right = rcItem.left + nLabelWidth + TRAILING_PADDING; if (bImage) rcItem.right += IMAGE_PADDING; } /* draw label */ dwTextX = rcItem.left + 1; if (bImage) dwTextX += IMAGE_PADDING; if (lvItem.pszText) ExtTextOutA(hdc, dwTextX, rcItem.top, textoutOptions, &rcItem, lvItem.pszText, lstrlenA(lvItem.pszText), NULL); if ((FullSelect)&&(Header_GetItemCount(infoPtr->hwndHeader) > 1)) { /* fill in the gap */ RECT rec; CopyRect(&rec,&rcItem); rec.left = rec.right; rec.right = rec.left+REPORT_MARGINX; ExtTextOutA(hdc, rec.left , rec.top, textoutOptions, &rec, NULL, 0, NULL); } if (!FullSelect) CopyRect(SuggestedFocus,&rcItem); if (nMixMode != 0) { SetROP2(hdc, R2_COPYPEN); SetBkColor(hdc, dwBkColor); SetTextColor(hdc, dwTextColor); if (iBkMode != -1) SetBkMode(hdc, iBkMode); } } /*** * DESCRIPTION: * Draws an item when in large icon display mode. * * PARAMETER(S): * [I] HWND : window handle * [I] HDC : device context handle * [I] LISTVIEW_ITEM * : item * [I] INT : item index * [I] RECT * : clipping rectangle * * RETURN: * None */ static VOID LISTVIEW_DrawLargeItem(HWND hwnd, HDC hdc, INT nItem, RECT rcItem, RECT *SuggestedFocus) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); CHAR szDispText[DISP_TEXT_SIZE]; INT nDrawPosX = rcItem.left; INT nLabelWidth, rcWidth; TEXTMETRICA tm; LVITEMA lvItem; UINT textoutOptions = ETO_CLIPPED | ETO_OPAQUE; RECT rcTemp; TRACE("(hwnd=%x, hdc=%x, nItem=%d, left=%d, top=%d, right=%d, \ bottom=%d)\n", hwnd, hdc, nItem, rcItem.left, rcItem.top, rcItem.right, rcItem.bottom); /* get information needed for drawing the item */ ZeroMemory(&lvItem, sizeof(LVITEMA)); lvItem.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_STATE; lvItem.stateMask = LVIS_SELECTED | LVIS_FOCUSED; lvItem.iItem = nItem; lvItem.iSubItem = 0; lvItem.cchTextMax = DISP_TEXT_SIZE; lvItem.pszText = szDispText; LISTVIEW_GetItemA(hwnd, &lvItem, TRUE); /* redraw the background of the item */ rcTemp = rcItem; if(infoPtr->nColumnCount == (nItem + 1)) rcTemp.right = infoPtr->rcList.right; else rcTemp.right+=WIDTH_PADDING; LISTVIEW_FillBackground(hwnd, hdc, &rcTemp); if (lvItem.state & LVIS_SELECTED) { /* set item colors */ SetBkColor(hdc, GetSysColor(COLOR_HIGHLIGHT)); SetTextColor(hdc, GetSysColor(COLOR_HIGHLIGHTTEXT)); /* set raster mode */ SetROP2(hdc, R2_XORPEN); } else { /* set item colors */ if ( (infoPtr->clrTextBk == CLR_DEFAULT) || (infoPtr->clrTextBk == CLR_NONE) ) { SetBkMode(hdc, TRANSPARENT); textoutOptions &= ~ETO_OPAQUE; } else { SetBkMode(hdc, OPAQUE); SetBkColor(hdc, infoPtr->clrTextBk); } SetTextColor(hdc, infoPtr->clrText); /* set raster mode */ SetROP2(hdc, R2_COPYPEN); } if (infoPtr->himlNormal != NULL) { rcItem.top += ICON_TOP_PADDING; nDrawPosX += (infoPtr->iconSpacing.cx - infoPtr->iconSize.cx) / 2; if ((lvItem.state & LVIS_SELECTED) && (lvItem.iImage>=0)) { ImageList_Draw(infoPtr->himlNormal, lvItem.iImage, hdc, nDrawPosX, rcItem.top, ILD_SELECTED); } else if (lvItem.iImage>=0) { ImageList_Draw(infoPtr->himlNormal, lvItem.iImage, hdc, nDrawPosX, rcItem.top, ILD_NORMAL); } } /* Don't bother painting item being edited */ if (infoPtr->hwndEdit && lvItem.state & LVIS_FOCUSED) return; InflateRect(&rcItem, -(2*CAPTION_BORDER), 0); rcItem.top += infoPtr->iconSize.cy + ICON_BOTTOM_PADDING; nLabelWidth = ListView_GetStringWidthA(hwnd, lvItem.pszText); GetTextMetricsA(hdc, &tm); /* append an ellipse ('...') if the caption won't fit in the rect */ rcWidth = max(0, rcItem.right - rcItem.left); if (nLabelWidth > rcWidth) { INT i, len, eos, nCharsFit; /* give or take a couple, how many average sized chars would fit? */ nCharsFit = tm.tmAveCharWidth > 0 ? (rcWidth/tm.tmAveCharWidth)+2 : 0; /* place the ellipse accordingly, without overrunning the buffer */ len = strlen(szDispText); eos = min((nCharsFit > 1 && nCharsFit < len) ? nCharsFit+3 : len+2, sizeof(szDispText)-1); nLabelWidth = ListView_GetStringWidthA(hwnd, szDispText); while ((nLabelWidth > rcWidth) && (eos > 3)) { for (i = 1; i < 4; i++) szDispText[eos-i] = '.'; /* shift the ellipse one char to the left for each iteration */ szDispText[eos--] = '\0'; nLabelWidth = ListView_GetStringWidthA(hwnd, szDispText); } } InflateRect(&rcItem, 2*CAPTION_BORDER, 0); nDrawPosX = infoPtr->iconSpacing.cx - 2*CAPTION_BORDER - nLabelWidth; if (nDrawPosX > 1) { rcItem.left += nDrawPosX / 2; rcItem.right = rcItem.left + nLabelWidth + 2*CAPTION_BORDER; } else { rcItem.left += 1; rcItem.right = rcItem.left + infoPtr->iconSpacing.cx - 1; } /* draw label */ rcItem.bottom = rcItem.top + tm.tmHeight + HEIGHT_PADDING; ExtTextOutA(hdc, rcItem.left + CAPTION_BORDER, rcItem.top, textoutOptions, &rcItem, lvItem.pszText, lstrlenA(lvItem.pszText), NULL); CopyRect(SuggestedFocus,&rcItem); } /*** * DESCRIPTION: * Draws listview items when in report display mode. * * PARAMETER(S): * [I] HWND : window handle * [I] HDC : device context handle * * RETURN: * None */ static VOID LISTVIEW_RefreshReport(HWND hwnd, HDC hdc, DWORD cdmode) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd,0); SCROLLINFO scrollInfo; INT nDrawPosY = infoPtr->rcList.top; INT nColumnCount; RECT rcItem, rcTemp; INT j; INT nItem; INT nLast; BOOL FullSelected; DWORD cditemmode = CDRF_DODEFAULT; LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); ZeroMemory(&scrollInfo, sizeof(SCROLLINFO)); scrollInfo.cbSize = sizeof(SCROLLINFO); scrollInfo.fMask = SIF_POS; nItem = ListView_GetTopIndex(hwnd); /* add 1 for displaying a partial item at the bottom */ nLast = nItem + LISTVIEW_GetCountPerColumn(hwnd) + 1; nLast = min(nLast, GETITEMCOUNT(infoPtr)); /* send cache hint notification */ if (GetWindowLongA(hwnd,GWL_STYLE) & LVS_OWNERDATA) { NMLVCACHEHINT nmlv; nmlv.hdr.hwndFrom = hwnd; nmlv.hdr.idFrom = GetWindowLongA(hwnd,GWL_ID); nmlv.hdr.code = LVN_ODCACHEHINT; nmlv.iFrom = nItem; nmlv.iTo = nLast; SendMessageA(GetParent(hwnd), WM_NOTIFY, (WPARAM)nmlv.hdr.idFrom, (LPARAM)&nmlv); } nColumnCount = Header_GetItemCount(infoPtr->hwndHeader); infoPtr->nColumnCount = nColumnCount; /* update nColumnCount */ FullSelected = infoPtr->dwExStyle & LVS_EX_FULLROWSELECT; /* clear the background of any part of the control that doesn't contain items */ SubtractRect(&rcTemp, &infoPtr->rcList, &infoPtr->rcView); LISTVIEW_FillBackground(hwnd, hdc, &rcTemp); /* nothing to draw */ if(GETITEMCOUNT(infoPtr) == 0) return; for (; nItem < nLast; nItem++) { RECT SuggestedFocusRect; /* Do Owner Draw */ if (lStyle & LVS_OWNERDRAWFIXED) { UINT uID = GetWindowLongA( hwnd, GWL_ID); DRAWITEMSTRUCT dis; LVITEMA item; RECT br; TRACE("Owner Drawn\n"); dis.CtlType = ODT_LISTVIEW; dis.CtlID = uID; dis.itemID = nItem; dis.itemAction = ODA_DRAWENTIRE; dis.itemState = 0; if (LISTVIEW_IsSelected(hwnd,nItem)) dis.itemState|=ODS_SELECTED; if (nItem==infoPtr->nFocusedItem) dis.itemState|=ODS_FOCUS; dis.hwndItem = hwnd; dis.hDC = hdc; Header_GetItemRect(infoPtr->hwndHeader, nColumnCount-1, &br); dis.rcItem.left =0; dis.rcItem.right = max(dis.rcItem.left, br.right); dis.rcItem.top = nDrawPosY; dis.rcItem.bottom = dis.rcItem.top + infoPtr->nItemHeight; ZeroMemory(&item,sizeof(LVITEMA)); item.iItem = nItem; item.mask = LVIF_PARAM; ListView_GetItemA(hwnd,&item); dis.itemData = item.lParam; if (SendMessageA(GetParent(hwnd),WM_DRAWITEM,(WPARAM)uID,(LPARAM)&dis)) { nDrawPosY += infoPtr->nItemHeight; continue; } } if (FullSelected) { RECT ir,br; Header_GetItemRect(infoPtr->hwndHeader, 0, &ir); Header_GetItemRect(infoPtr->hwndHeader, nColumnCount-1, &br); ir.left += REPORT_MARGINX; ir.right = max(ir.left, br.right - REPORT_MARGINX); ir.top = nDrawPosY; ir.bottom = ir.top + infoPtr->nItemHeight; CopyRect(&SuggestedFocusRect,&ir); } for (j = 0; j < nColumnCount; j++) { if (cdmode & CDRF_NOTIFYITEMDRAW) cditemmode = LISTVIEW_SendCustomDrawItemNotify (hwnd, hdc, nItem, j, CDDS_ITEMPREPAINT); if (cditemmode & CDRF_SKIPDEFAULT) continue; Header_GetItemRect(infoPtr->hwndHeader, j, &rcItem); rcItem.left += REPORT_MARGINX; rcItem.right = max(rcItem.left, rcItem.right - REPORT_MARGINX); rcItem.top = nDrawPosY; rcItem.bottom = rcItem.top + infoPtr->nItemHeight; /* Offset the Scroll Bar Pos */ if (GetScrollInfo(hwnd, SB_HORZ, &scrollInfo) != FALSE) { rcItem.left -= (scrollInfo.nPos * LISTVIEW_SCROLL_DIV_SIZE); rcItem.right -= (scrollInfo.nPos * LISTVIEW_SCROLL_DIV_SIZE); } if (j == 0) { LISTVIEW_DrawItem(hwnd, hdc, nItem, rcItem, FullSelected, &SuggestedFocusRect); } else { LISTVIEW_DrawSubItem(hwnd, hdc, nItem, j, rcItem, FullSelected); } if (cditemmode & CDRF_NOTIFYPOSTPAINT) LISTVIEW_SendCustomDrawItemNotify(hwnd, hdc, nItem, 0, CDDS_ITEMPOSTPAINT); } /* * Draw Focus Rect */ if (LISTVIEW_GetItemState(hwnd,nItem,LVIS_FOCUSED) && infoPtr->bFocus) { BOOL rop=FALSE; if (FullSelected && LISTVIEW_GetItemState(hwnd,nItem,LVIS_SELECTED)) rop = SetROP2(hdc, R2_XORPEN); Rectangle(hdc, SuggestedFocusRect.left, SuggestedFocusRect.top, SuggestedFocusRect.right,SuggestedFocusRect.bottom); if (rop) SetROP2(hdc, R2_COPYPEN); } nDrawPosY += infoPtr->nItemHeight; } } /*** * DESCRIPTION: * Retrieves the number of items that can fit vertically in the client area. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Number of items per row. */ static INT LISTVIEW_GetCountPerRow(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd,0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; INT nListWidth = infoPtr->rcList.right - infoPtr->rcList.left; INT nCountPerRow = 1; if (nListWidth > 0) { if (uView == LVS_REPORT) { nCountPerRow = 1; } else { nCountPerRow = nListWidth / infoPtr->nItemWidth; if (nCountPerRow == 0) { nCountPerRow = 1; } } } return nCountPerRow; } /*** * DESCRIPTION: * Retrieves the number of items that can fit horizontally in the client * area. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Number of items per column. */ static INT LISTVIEW_GetCountPerColumn(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd,0); INT nListHeight = infoPtr->rcList.bottom - infoPtr->rcList.top; INT nCountPerColumn = 1; if (nListHeight > 0) { nCountPerColumn = nListHeight / infoPtr->nItemHeight; if (nCountPerColumn == 0) { nCountPerColumn = 1; } } return nCountPerColumn; } /*** * DESCRIPTION: * Retrieves the number of columns needed to display all the items when in * list display mode. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Number of columns. */ static INT LISTVIEW_GetColumnCount(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); INT nColumnCount = 0; if ((lStyle & LVS_TYPEMASK) == LVS_LIST) { if (infoPtr->rcList.right % infoPtr->nItemWidth == 0) { nColumnCount = infoPtr->rcList.right / infoPtr->nItemWidth; } else { nColumnCount = infoPtr->rcList.right / infoPtr->nItemWidth + 1; } } return nColumnCount; } /*** * DESCRIPTION: * Draws listview items when in list display mode. * * PARAMETER(S): * [I] HWND : window handle * [I] HDC : device context handle * * RETURN: * None */ static VOID LISTVIEW_RefreshList(HWND hwnd, HDC hdc, DWORD cdmode) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); RECT rcItem, FocusRect, rcTemp; INT i, j; INT nItem; INT nColumnCount; INT nCountPerColumn; INT nItemWidth = infoPtr->nItemWidth; INT nItemHeight = infoPtr->nItemHeight; DWORD cditemmode = CDRF_DODEFAULT; /* get number of fully visible columns */ nColumnCount = LISTVIEW_GetColumnCount(hwnd); infoPtr->nColumnCount = nColumnCount; nCountPerColumn = LISTVIEW_GetCountPerColumn(hwnd); nItem = ListView_GetTopIndex(hwnd); /* paint the background of the control that doesn't contain any items */ SubtractRect(&rcTemp, &infoPtr->rcList, &infoPtr->rcView); LISTVIEW_FillBackground(hwnd, hdc, &rcTemp); /* nothing to draw, return here */ if(GETITEMCOUNT(infoPtr) == 0) return; for (i = 0; i < nColumnCount; i++) { for (j = 0; j < nCountPerColumn; j++, nItem++) { if (nItem >= GETITEMCOUNT(infoPtr)) return; if (cdmode & CDRF_NOTIFYITEMDRAW) cditemmode = LISTVIEW_SendCustomDrawItemNotify (hwnd, hdc, nItem, 0, CDDS_ITEMPREPAINT); if (cditemmode & CDRF_SKIPDEFAULT) continue; rcItem.top = j * nItemHeight; rcItem.left = i * nItemWidth; rcItem.bottom = rcItem.top + nItemHeight; rcItem.right = rcItem.left + nItemWidth; LISTVIEW_DrawItem(hwnd, hdc, nItem, rcItem, FALSE, &FocusRect); /* * Draw Focus Rect */ if (LISTVIEW_GetItemState(hwnd,nItem,LVIS_FOCUSED) && infoPtr->bFocus) Rectangle(hdc, FocusRect.left, FocusRect.top, FocusRect.right,FocusRect.bottom); if (cditemmode & CDRF_NOTIFYPOSTPAINT) LISTVIEW_SendCustomDrawItemNotify(hwnd, hdc, nItem, 0, CDDS_ITEMPOSTPAINT); } } } /*** * DESCRIPTION: * Draws listview items when in icon or small icon display mode. * * PARAMETER(S): * [I] HWND : window handle * [I] HDC : device context handle * * RETURN: * None */ static VOID LISTVIEW_RefreshIcon(HWND hwnd, HDC hdc, BOOL bSmall, DWORD cdmode) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); POINT ptPosition; POINT ptOrigin; RECT rcItem, SuggestedFocus, rcTemp; INT i; DWORD cditemmode = CDRF_DODEFAULT; infoPtr->nColumnCount = 1; /* set this to an arbitrary value to prevent */ /* DrawItem from erasing the incorrect background area */ /* paint the background of the control that doesn't contain any items */ SubtractRect(&rcTemp, &infoPtr->rcList, &infoPtr->rcView); LISTVIEW_FillBackground(hwnd, hdc, &rcTemp); /* nothing to draw, return here */ if(GETITEMCOUNT(infoPtr) == 0) return; LISTVIEW_GetOrigin(hwnd, &ptOrigin); for (i = 0; i < GETITEMCOUNT(infoPtr); i++) { if (cdmode & CDRF_NOTIFYITEMDRAW) cditemmode = LISTVIEW_SendCustomDrawItemNotify (hwnd, hdc, i, 0, CDDS_ITEMPREPAINT); if (cditemmode & CDRF_SKIPDEFAULT) continue; LISTVIEW_GetItemPosition(hwnd, i, &ptPosition); ptPosition.x += ptOrigin.x; ptPosition.y += ptOrigin.y; if (ptPosition.y + infoPtr->nItemHeight > infoPtr->rcList.top) { if (ptPosition.x + infoPtr->nItemWidth > infoPtr->rcList.left) { if (ptPosition.y < infoPtr->rcList.bottom) { if (ptPosition.x < infoPtr->rcList.right) { rcItem.top = ptPosition.y; rcItem.left = ptPosition.x; rcItem.bottom = rcItem.top + infoPtr->nItemHeight; rcItem.right = rcItem.left + infoPtr->nItemWidth; if (bSmall == FALSE) { LISTVIEW_DrawLargeItem(hwnd, hdc, i, rcItem, &SuggestedFocus); } else { LISTVIEW_DrawItem(hwnd, hdc, i, rcItem, FALSE, &SuggestedFocus); } /* * Draw Focus Rect */ if (LISTVIEW_GetItemState(hwnd,i,LVIS_FOCUSED) && infoPtr->bFocus) Rectangle(hdc, SuggestedFocus.left, SuggestedFocus.top, SuggestedFocus.right,SuggestedFocus.bottom); } } } } if (cditemmode & CDRF_NOTIFYPOSTPAINT) LISTVIEW_SendCustomDrawItemNotify(hwnd, hdc, i, 0, CDDS_ITEMPOSTPAINT); } } /*** * DESCRIPTION: * Draws listview items. * * PARAMETER(S): * [I] HWND : window handle * [I] HDC : device context handle * * RETURN: * NoneX */ static VOID LISTVIEW_Refresh(HWND hwnd, HDC hdc) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; HFONT hOldFont; HPEN hPen, hOldPen; DWORD cdmode; RECT rect; GetClientRect(hwnd, &rect); cdmode = LISTVIEW_SendCustomDrawNotify(hwnd,CDDS_PREPAINT,hdc,rect); if (cdmode == CDRF_SKIPDEFAULT) return; /* select font */ hOldFont = SelectObject(hdc, infoPtr->hFont); /* select the dotted pen (for drawing the focus box) */ hPen = CreatePen(PS_ALTERNATE, 1, 0); hOldPen = SelectObject(hdc, hPen); /* select transparent brush (for drawing the focus box) */ SelectObject(hdc, GetStockObject(NULL_BRUSH)); if (uView == LVS_LIST) { LISTVIEW_RefreshList(hwnd, hdc, cdmode); } else if (uView == LVS_REPORT) { LISTVIEW_RefreshReport(hwnd, hdc, cdmode); } else if (uView == LVS_SMALLICON) { LISTVIEW_RefreshIcon(hwnd, hdc, TRUE, cdmode); } else if (uView == LVS_ICON) { LISTVIEW_RefreshIcon(hwnd, hdc, FALSE, cdmode); } /* unselect objects */ SelectObject(hdc, hOldFont); SelectObject(hdc, hOldPen); /* delete pen */ DeleteObject(hPen); if (cdmode & CDRF_NOTIFYPOSTPAINT) LISTVIEW_SendCustomDrawNotify(hwnd, CDDS_POSTPAINT, hdc, rect); } /*** * DESCRIPTION: * Calculates the approximate width and height of a given number of items. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : number of items * [I] INT : width * [I] INT : height * * RETURN: * Returns a DWORD. The width in the low word and the height in high word. */ static LRESULT LISTVIEW_ApproximateViewRect(HWND hwnd, INT nItemCount, WORD wWidth, WORD wHeight) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; INT nItemCountPerColumn = 1; INT nColumnCount = 0; DWORD dwViewRect = 0; if (nItemCount == -1) { nItemCount = GETITEMCOUNT(infoPtr); } if (uView == LVS_LIST) { if (wHeight == 0xFFFF) { /* use current height */ wHeight = infoPtr->rcList.bottom - infoPtr->rcList.top; } if (wHeight < infoPtr->nItemHeight) { wHeight = infoPtr->nItemHeight; } if (nItemCount > 0) { if (infoPtr->nItemHeight > 0) { nItemCountPerColumn = wHeight / infoPtr->nItemHeight; if (nItemCountPerColumn == 0) { nItemCountPerColumn = 1; } if (nItemCount % nItemCountPerColumn != 0) { nColumnCount = nItemCount / nItemCountPerColumn; } else { nColumnCount = nItemCount / nItemCountPerColumn + 1; } } } /* Microsoft padding magic */ wHeight = nItemCountPerColumn * infoPtr->nItemHeight + 2; wWidth = nColumnCount * infoPtr->nItemWidth + 2; dwViewRect = MAKELONG(wWidth, wHeight); } else if (uView == LVS_REPORT) { /* TO DO */ } else if (uView == LVS_SMALLICON) { /* TO DO */ } else if (uView == LVS_ICON) { /* TO DO */ } return dwViewRect; } /*** * DESCRIPTION: * Arranges listview items in icon display mode. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : alignment code * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_Arrange(HWND hwnd, INT nAlignCode) { UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; BOOL bResult = FALSE; if ((uView == LVS_ICON) || (uView == LVS_SMALLICON)) { switch (nAlignCode) { case LVA_ALIGNLEFT: /* TO DO */ break; case LVA_ALIGNTOP: /* TO DO */ break; case LVA_DEFAULT: /* TO DO */ break; case LVA_SNAPTOGRID: /* TO DO */ break; } } return bResult; } /* << LISTVIEW_CreateDragImage >> */ /*** * DESCRIPTION: * Removes all listview items and subitems. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_DeleteAllItems(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LONG lCtrlId = GetWindowLongA(hwnd, GWL_ID); LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = lStyle & LVS_TYPEMASK; LISTVIEW_ITEM *lpItem; LISTVIEW_SUBITEM *lpSubItem; NMLISTVIEW nmlv; BOOL bSuppress; BOOL bResult = FALSE; INT i; INT j; HDPA hdpaSubItems; TRACE("(hwnd=%x,)\n", hwnd); LISTVIEW_RemoveAllSelections(hwnd); if (lStyle & LVS_OWNERDATA) { infoPtr->hdpaItems->nItemCount = 0; InvalidateRect(hwnd, NULL, TRUE); return TRUE; } if (GETITEMCOUNT(infoPtr) > 0) { /* initialize memory */ ZeroMemory(&nmlv, sizeof(NMLISTVIEW)); /* send LVN_DELETEALLITEMS notification */ nmlv.hdr.hwndFrom = hwnd; nmlv.hdr.idFrom = lCtrlId; nmlv.hdr.code = LVN_DELETEALLITEMS; nmlv.iItem = -1; /* verify if subsequent LVN_DELETEITEM notifications should be suppressed */ bSuppress = ListView_LVNotify(GetParent(hwnd), lCtrlId, &nmlv); for (i = 0; i < GETITEMCOUNT(infoPtr); i++) { hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, i); if (hdpaSubItems != NULL) { for (j = 1; j < hdpaSubItems->nItemCount; j++) { lpSubItem = (LISTVIEW_SUBITEM *)DPA_GetPtr(hdpaSubItems, j); if (lpSubItem != NULL) { /* free subitem string */ if ((lpSubItem->pszText != NULL) && (lpSubItem->pszText != LPSTR_TEXTCALLBACKA)) { COMCTL32_Free(lpSubItem->pszText); } /* free subitem */ COMCTL32_Free(lpSubItem); } } lpItem = (LISTVIEW_ITEM *)DPA_GetPtr(hdpaSubItems, 0); if (lpItem != NULL) { if (bSuppress == FALSE) { /* send LVN_DELETEITEM notification */ nmlv.hdr.code = LVN_DELETEITEM; nmlv.iItem = i; nmlv.lParam = lpItem->lParam; ListView_LVNotify(GetParent(hwnd), lCtrlId, &nmlv); } /* free item string */ if ((lpItem->pszText != NULL) && (lpItem->pszText != LPSTR_TEXTCALLBACKA)) { COMCTL32_Free(lpItem->pszText); } /* free item */ COMCTL32_Free(lpItem); } DPA_Destroy(hdpaSubItems); } } /* reinitialize listview memory */ bResult = DPA_DeleteAllPtrs(infoPtr->hdpaItems); /* align items (set position of each item) */ if ((uView == LVS_ICON) || (uView == LVS_SMALLICON)) { if (lStyle & LVS_ALIGNLEFT) { LISTVIEW_AlignLeft(hwnd); } else { LISTVIEW_AlignTop(hwnd); } } LISTVIEW_UpdateScroll(hwnd); /* invalidate client area (optimization needed) */ InvalidateRect(hwnd, NULL, TRUE); } return bResult; } /*** * DESCRIPTION: * Removes a column from the listview control. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : column index * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_DeleteColumn(HWND hwnd, INT nColumn) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; UINT uOwnerData = GetWindowLongA(hwnd, GWL_STYLE) & LVS_OWNERDATA; BOOL bResult = FALSE; if (Header_DeleteItem(infoPtr->hwndHeader, nColumn) != FALSE) { if (!uOwnerData) bResult = LISTVIEW_RemoveColumn(infoPtr->hdpaItems, nColumn); /* Need to reset the item width when deleting a column */ infoPtr->nItemWidth = LISTVIEW_GetItemWidth(hwnd); /* reset scroll parameters */ if (uView == LVS_REPORT) { /* update scrollbar(s) */ LISTVIEW_UpdateScroll(hwnd); /* refresh client area */ InvalidateRect(hwnd, NULL, FALSE); } } return bResult; } /*** * DESCRIPTION: * Removes an item from the listview control. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_DeleteItem(HWND hwnd, INT nItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = lStyle & LVS_TYPEMASK; LONG lCtrlId = GetWindowLongA(hwnd, GWL_ID); NMLISTVIEW nmlv; BOOL bResult = FALSE; HDPA hdpaSubItems; LISTVIEW_ITEM *lpItem; LISTVIEW_SUBITEM *lpSubItem; INT i; LVITEMA item; TRACE("(hwnd=%x,nItem=%d)\n", hwnd, nItem); /* remove it from the selection range */ ZeroMemory(&item,sizeof(LVITEMA)); item.stateMask = LVIS_SELECTED; LISTVIEW_SetItemState(hwnd,nItem,&item); LISTVIEW_ShiftSelections(hwnd,nItem,-1); if (lStyle & LVS_OWNERDATA) { infoPtr->hdpaItems->nItemCount --; InvalidateRect(hwnd, NULL, TRUE); return TRUE; } if ((nItem >= 0) && (nItem < GETITEMCOUNT(infoPtr))) { /* initialize memory */ ZeroMemory(&nmlv, sizeof(NMLISTVIEW)); hdpaSubItems = (HDPA)DPA_DeletePtr(infoPtr->hdpaItems, nItem); if (hdpaSubItems != NULL) { for (i = 1; i < hdpaSubItems->nItemCount; i++) { lpSubItem = (LISTVIEW_SUBITEM *)DPA_GetPtr(hdpaSubItems, i); if (lpSubItem != NULL) { /* free item string */ if ((lpSubItem->pszText != NULL) && (lpSubItem->pszText != LPSTR_TEXTCALLBACKA)) { COMCTL32_Free(lpSubItem->pszText); } /* free item */ COMCTL32_Free(lpSubItem); } } lpItem = (LISTVIEW_ITEM *)DPA_GetPtr(hdpaSubItems, 0); if (lpItem != NULL) { /* send LVN_DELETEITEM notification */ nmlv.hdr.hwndFrom = hwnd; nmlv.hdr.idFrom = lCtrlId; nmlv.hdr.code = LVN_DELETEITEM; nmlv.iItem = nItem; nmlv.lParam = lpItem->lParam; SendMessageA(GetParent(hwnd), WM_NOTIFY, (WPARAM)lCtrlId, (LPARAM)&nmlv); /* free item string */ if ((lpItem->pszText != NULL) && (lpItem->pszText != LPSTR_TEXTCALLBACKA)) { COMCTL32_Free(lpItem->pszText); } /* free item */ COMCTL32_Free(lpItem); } bResult = DPA_Destroy(hdpaSubItems); } /* align items (set position of each item) */ if ((uView == LVS_SMALLICON) || (uView == LVS_ICON)) { if (lStyle & LVS_ALIGNLEFT) { LISTVIEW_AlignLeft(hwnd); } else { LISTVIEW_AlignTop(hwnd); } } /* If this item had focus change focus to next or previous item */ if (GETITEMCOUNT(infoPtr) > 0) { int sItem = nItem < GETITEMCOUNT(infoPtr) ? nItem : nItem - 1; if (infoPtr->nFocusedItem == nItem) LISTVIEW_SetItemFocus(hwnd, sItem); } else infoPtr->nFocusedItem = -1; LISTVIEW_UpdateScroll(hwnd); /* refresh client area */ InvalidateRect(hwnd, NULL, TRUE); } return bResult; } /*** * DESCRIPTION: * Return edit control handle of current edit label * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * SUCCESS : HWND * FAILURE : 0 */ static LRESULT LISTVIEW_GetEditControl(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); return infoPtr->hwndEdit; } /*** * DESCRIPTION: * Callback implementation for editlabel control * * PARAMETER(S): * [I] HWND : window handle * [I] LPSTR : modified text * [I] DWORD : item index * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_EndEditLabel(HWND hwnd, LPSTR pszText, DWORD nItem) { NMLVDISPINFOA dispInfo; LISTVIEW_ITEM *lpItem; INT nCtrlId = GetWindowLongA(hwnd, GWL_ID); LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); HDPA hdpaSubItems; BOOL bUpdateItemText; LISTVIEW_ITEM lvItemRef; LVITEMA item; ZeroMemory(&dispInfo, sizeof(NMLVDISPINFOA)); if (!(lStyle & LVS_OWNERDATA)) { if (NULL == (hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, nItem))) return FALSE; if (NULL == (lpItem = (LISTVIEW_ITEM *)DPA_GetPtr(hdpaSubItems, 0))) return FALSE; } else { ZeroMemory(&lvItemRef,sizeof(LISTVIEW_ITEM)); ZeroMemory(&item,sizeof(LVITEMA)); item.iItem = nItem; item.iSubItem = 0; item.mask = LVIF_PARAM | LVIF_STATE; ListView_GetItemA(hwnd,&item); lvItemRef.state = item.state; lvItemRef.iImage = item.iImage; lvItemRef.lParam = item.lParam; lpItem = &lvItemRef; } dispInfo.hdr.hwndFrom = hwnd; dispInfo.hdr.idFrom = nCtrlId; dispInfo.hdr.code = LVN_ENDLABELEDITA; dispInfo.item.mask = 0; dispInfo.item.iItem = nItem; dispInfo.item.state = lpItem->state; dispInfo.item.stateMask = 0; dispInfo.item.pszText = pszText; dispInfo.item.cchTextMax = pszText ? strlen(pszText) : 0; dispInfo.item.iImage = lpItem->iImage; dispInfo.item.lParam = lpItem->lParam; infoPtr->hwndEdit = 0; bUpdateItemText = ListView_Notify(GetParent(hwnd), nCtrlId, &dispInfo); /* Do we need to update the Item Text */ if(bUpdateItemText) { if ((lpItem->pszText != LPSTR_TEXTCALLBACKA)&&(!(lStyle & LVS_OWNERDATA))) { Str_SetPtrA(&lpItem->pszText, pszText); } } return TRUE; } /*** * DESCRIPTION: * Begin in place editing of specified list view item * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static HWND LISTVIEW_EditLabelA(HWND hwnd, INT nItem) { NMLVDISPINFOA dispInfo; RECT rect; LISTVIEW_ITEM *lpItem; HWND hedit; HINSTANCE hinst = GetWindowLongA(hwnd, GWL_HINSTANCE); INT nCtrlId = GetWindowLongA(hwnd, GWL_ID); LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); HDPA hdpaSubItems; CHAR szDispText[DISP_TEXT_SIZE]; LVITEMA lvItem,item; LISTVIEW_ITEM lvItemRef; LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); if (~GetWindowLongA(hwnd, GWL_STYLE) & LVS_EDITLABELS) return FALSE; /* Is the EditBox still there, if so remove it */ if(infoPtr->hwndEdit != 0) { SetFocus(hwnd); } LISTVIEW_SetSelection(hwnd, nItem); LISTVIEW_SetItemFocus(hwnd, nItem); ZeroMemory(&dispInfo, sizeof(NMLVDISPINFOA)); if (!(lStyle & LVS_OWNERDATA)) { if (NULL == (hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, nItem))) return 0; if (NULL == (lpItem = (LISTVIEW_ITEM *)DPA_GetPtr(hdpaSubItems, 0))) return 0; } else { ZeroMemory(&lvItemRef,sizeof(LISTVIEW_ITEM)); ZeroMemory(&item,sizeof(LVITEMA)); item.iItem = nItem; item.iSubItem = 0; item.mask = LVIF_PARAM | LVIF_STATE; ListView_GetItemA(hwnd,&item); lvItemRef.iImage = item.iImage; lvItemRef.state = item.state; lvItemRef.lParam = item.lParam; lpItem = &lvItemRef; } /* get information needed for drawing the item */ ZeroMemory(&lvItem, sizeof(LVITEMA)); lvItem.mask = LVIF_TEXT; lvItem.iItem = nItem; lvItem.iSubItem = 0; lvItem.cchTextMax = DISP_TEXT_SIZE; lvItem.pszText = szDispText; ListView_GetItemA(hwnd, &lvItem); dispInfo.hdr.hwndFrom = hwnd; dispInfo.hdr.idFrom = nCtrlId; dispInfo.hdr.code = LVN_BEGINLABELEDITA; dispInfo.item.mask = 0; dispInfo.item.iItem = nItem; dispInfo.item.state = lpItem->state; dispInfo.item.stateMask = 0; dispInfo.item.pszText = lvItem.pszText; dispInfo.item.cchTextMax = strlen(lvItem.pszText); dispInfo.item.iImage = lpItem->iImage; dispInfo.item.lParam = lpItem->lParam; if (ListView_LVNotify(GetParent(hwnd), nCtrlId, &dispInfo)) return 0; rect.left = LVIR_LABEL; if (!LISTVIEW_GetItemRect(hwnd, nItem, &rect)) return 0; if (!(hedit = CreateEditLabel(szDispText , WS_VISIBLE, rect.left-2, rect.top-1, 0, rect.bottom - rect.top+2, hwnd, hinst, LISTVIEW_EndEditLabel, nItem))) return 0; infoPtr->hwndEdit = hedit; SetFocus(hedit); SendMessageA(hedit, EM_SETSEL, 0, -1); return hedit; } /*** * DESCRIPTION: * Ensures the specified item is visible, scrolling into view if necessary. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * [I] BOOL : partially or entirely visible * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_EnsureVisible(HWND hwnd, INT nItem, BOOL bPartial) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; INT nScrollPosHeight = 0; INT nScrollPosWidth = 0; SCROLLINFO scrollInfo; RECT rcItem; BOOL bRedraw = FALSE; ZeroMemory(&scrollInfo, sizeof(SCROLLINFO)); scrollInfo.cbSize = sizeof(SCROLLINFO); scrollInfo.fMask = SIF_POS; /* ALWAYS bPartial == FALSE, FOR NOW! */ rcItem.left = LVIR_BOUNDS; if (LISTVIEW_GetItemRect(hwnd, nItem, &rcItem) != FALSE) { if (rcItem.left < infoPtr->rcList.left) { if (GetScrollInfo(hwnd, SB_HORZ, &scrollInfo) != FALSE) { /* scroll left */ bRedraw = TRUE; if (uView == LVS_LIST) { nScrollPosWidth = infoPtr->nItemWidth; rcItem.left += infoPtr->rcList.left; } else if ((uView == LVS_SMALLICON) || (uView == LVS_ICON)) { nScrollPosWidth = LISTVIEW_SCROLL_DIV_SIZE; rcItem.left += infoPtr->rcList.left; } /* When in LVS_REPORT view, the scroll position should not be updated. */ if (nScrollPosWidth != 0) { if (rcItem.left % nScrollPosWidth == 0) { scrollInfo.nPos += rcItem.left / nScrollPosWidth; } else { scrollInfo.nPos += rcItem.left / nScrollPosWidth - 1; } SetScrollInfo(hwnd, SB_HORZ, &scrollInfo, TRUE); } } } else if (rcItem.right > infoPtr->rcList.right) { if (GetScrollInfo(hwnd, SB_HORZ, &scrollInfo) != FALSE) { /* scroll right */ bRedraw = TRUE; if (uView == LVS_LIST) { rcItem.right -= infoPtr->rcList.right; nScrollPosWidth = infoPtr->nItemWidth; } else if ((uView == LVS_SMALLICON) || (uView == LVS_ICON)) { rcItem.right -= infoPtr->rcList.right; nScrollPosWidth = LISTVIEW_SCROLL_DIV_SIZE; } /* When in LVS_REPORT view, the scroll position should not be updated. */ if (nScrollPosWidth != 0) { if (rcItem.right % nScrollPosWidth == 0) { scrollInfo.nPos += rcItem.right / nScrollPosWidth; } else { scrollInfo.nPos += rcItem.right / nScrollPosWidth + 1; } SetScrollInfo(hwnd, SB_HORZ, &scrollInfo, TRUE); } } } if (rcItem.top < infoPtr->rcList.top) { /* scroll up */ bRedraw = TRUE; if (GetScrollInfo(hwnd, SB_VERT, &scrollInfo) != FALSE) { if (uView == LVS_REPORT) { rcItem.top -= infoPtr->rcList.top; nScrollPosHeight = infoPtr->nItemHeight; } else if ((uView == LVS_ICON) || (uView == LVS_SMALLICON)) { nScrollPosHeight = LISTVIEW_SCROLL_DIV_SIZE; rcItem.top += infoPtr->rcList.top; } if (rcItem.top % nScrollPosHeight == 0) { scrollInfo.nPos += rcItem.top / nScrollPosHeight; } else { scrollInfo.nPos += rcItem.top / nScrollPosHeight - 1; } SetScrollInfo(hwnd, SB_VERT, &scrollInfo, TRUE); } } else if (rcItem.bottom > infoPtr->rcList.bottom) { /* scroll down */ bRedraw = TRUE; if (GetScrollInfo(hwnd, SB_VERT, &scrollInfo) != FALSE) { if (uView == LVS_REPORT) { rcItem.bottom -= infoPtr->rcList.bottom; nScrollPosHeight = infoPtr->nItemHeight; } else if ((uView == LVS_ICON) || (uView == LVS_SMALLICON)) { nScrollPosHeight = LISTVIEW_SCROLL_DIV_SIZE; rcItem.bottom -= infoPtr->rcList.bottom; } if (rcItem.bottom % nScrollPosHeight == 0) { scrollInfo.nPos += rcItem.bottom / nScrollPosHeight; } else { scrollInfo.nPos += rcItem.bottom / nScrollPosHeight + 1; } SetScrollInfo(hwnd, SB_VERT, &scrollInfo, TRUE); } } } if(bRedraw) InvalidateRect(hwnd,NULL,TRUE); return TRUE; } /*** * DESCRIPTION: * Retrieves the nearest item, given a position and a direction. * * PARAMETER(S): * [I] HWND : window handle * [I] POINT : start position * [I] UINT : direction * * RETURN: * Item index if successdful, -1 otherwise. */ static INT LISTVIEW_GetNearestItem(HWND hwnd, POINT pt, UINT vkDirection) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LVHITTESTINFO lvHitTestInfo; INT nItem = -1; RECT rcView; if (LISTVIEW_GetViewRect(hwnd, &rcView) != FALSE) { ZeroMemory(&lvHitTestInfo, sizeof(LVHITTESTINFO)); LISTVIEW_GetOrigin(hwnd, &lvHitTestInfo.pt); lvHitTestInfo.pt.x += pt.x; lvHitTestInfo.pt.y += pt.y; do { if (vkDirection == VK_DOWN) { lvHitTestInfo.pt.y += infoPtr->nItemHeight; } else if (vkDirection == VK_UP) { lvHitTestInfo.pt.y -= infoPtr->nItemHeight; } else if (vkDirection == VK_LEFT) { lvHitTestInfo.pt.x -= infoPtr->nItemWidth; } else if (vkDirection == VK_RIGHT) { lvHitTestInfo.pt.x += infoPtr->nItemWidth; } if (PtInRect(&rcView, lvHitTestInfo.pt) == FALSE) { return -1; } else { nItem = LISTVIEW_HitTestItem(hwnd, &lvHitTestInfo, TRUE); } } while (nItem == -1); } return nItem; } /*** * DESCRIPTION: * Searches for an item with specific characteristics. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : base item index * [I] LPLVFINDINFO : item information to look for * * RETURN: * SUCCESS : index of item * FAILURE : -1 */ static LRESULT LISTVIEW_FindItem(HWND hwnd, INT nStart, LPLVFINDINFO lpFindInfo) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); POINT ptItem; CHAR szDispText[DISP_TEXT_SIZE]; LVITEMA lvItem; BOOL bWrap = FALSE; INT nItem = nStart; INT nLast = GETITEMCOUNT(infoPtr); if ((nItem >= -1) && (lpFindInfo != NULL)) { ZeroMemory(&lvItem, sizeof(LVITEMA)); if (lpFindInfo->flags & LVFI_PARAM) { lvItem.mask |= LVIF_PARAM; } if (lpFindInfo->flags & LVFI_STRING) { lvItem.mask |= LVIF_TEXT; lvItem.pszText = szDispText; lvItem.cchTextMax = DISP_TEXT_SIZE; } if (lpFindInfo->flags & LVFI_PARTIAL) { lvItem.mask |= LVIF_TEXT; lvItem.pszText = szDispText; lvItem.cchTextMax = DISP_TEXT_SIZE; } if (lpFindInfo->flags & LVFI_WRAP) { bWrap = TRUE; } if (lpFindInfo->flags & LVFI_NEARESTXY) { ptItem.x = lpFindInfo->pt.x; ptItem.y = lpFindInfo->pt.y; } while (1) { while (nItem < nLast) { if (lpFindInfo->flags & LVFI_NEARESTXY) { nItem = LISTVIEW_GetNearestItem(hwnd, ptItem, lpFindInfo->vkDirection); if (nItem != -1) { /* get position of the new item index */ if (ListView_GetItemPosition(hwnd, nItem, &ptItem) == FALSE) return -1; } else return -1; } else { nItem++; } lvItem.iItem = nItem; lvItem.iSubItem = 0; if (LISTVIEW_GetItemA(hwnd, &lvItem, TRUE) != FALSE) { if (lvItem.mask & LVIF_TEXT) { if (lpFindInfo->flags & LVFI_PARTIAL) { if (strstr(lvItem.pszText, lpFindInfo->psz) == NULL) continue; } else { if (strcmp(lvItem.pszText, lpFindInfo->psz) != 0) continue; } } if (lvItem.mask & LVIF_PARAM) { if (lpFindInfo->lParam != lvItem.lParam) continue; } return nItem; } } if (bWrap != FALSE) { nItem = -1; nLast = nStart + 1; bWrap = FALSE; } else { return -1; } } } return -1; } /*** * DESCRIPTION: * Retrieves the background color of the listview control. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * COLORREF associated with the background. */ static LRESULT LISTVIEW_GetBkColor(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); return infoPtr->clrBk; } /*** * DESCRIPTION: * Retrieves the background image of the listview control. * * PARAMETER(S): * [I] HWND : window handle * [O] LPLVMKBIMAGE : background image attributes * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ /* static LRESULT LISTVIEW_GetBkImage(HWND hwnd, LPLVBKIMAGE lpBkImage) */ /* { */ /* FIXME (listview, "empty stub!\n"); */ /* return FALSE; */ /* } */ /*** * DESCRIPTION: * Retrieves the callback mask. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Value of mask */ static UINT LISTVIEW_GetCallbackMask(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); return infoPtr->uCallbackMask; } /*** * DESCRIPTION: * Retrieves column attributes. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : column index * [IO] LPLVCOLUMNA : column information * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_GetColumnA(HWND hwnd, INT nItem, LPLVCOLUMNA lpColumn) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); HDITEMA hdi; BOOL bResult = FALSE; if (lpColumn != NULL) { /* initialize memory */ ZeroMemory(&hdi, sizeof(HDITEMA)); if (lpColumn->mask & LVCF_FMT) { hdi.mask |= HDI_FORMAT; } if (lpColumn->mask & LVCF_WIDTH) { hdi.mask |= HDI_WIDTH; } if (lpColumn->mask & LVCF_TEXT) { hdi.mask |= HDI_TEXT; hdi.cchTextMax = lpColumn->cchTextMax; hdi.pszText = lpColumn->pszText; } if (lpColumn->mask & LVCF_IMAGE) { hdi.mask |= HDI_IMAGE; } if (lpColumn->mask & LVCF_ORDER) { hdi.mask |= HDI_ORDER; } bResult = Header_GetItemA(infoPtr->hwndHeader, nItem, &hdi); if (bResult != FALSE) { if (lpColumn->mask & LVCF_FMT) { lpColumn->fmt = 0; if (hdi.fmt & HDF_LEFT) { lpColumn->fmt |= LVCFMT_LEFT; } else if (hdi.fmt & HDF_RIGHT) { lpColumn->fmt |= LVCFMT_RIGHT; } else if (hdi.fmt & HDF_CENTER) { lpColumn->fmt |= LVCFMT_CENTER; } if (hdi.fmt & HDF_IMAGE) { lpColumn->fmt |= LVCFMT_COL_HAS_IMAGES; } if (hdi.fmt & HDF_BITMAP_ON_RIGHT) { lpColumn->fmt |= LVCFMT_BITMAP_ON_RIGHT; } } if (lpColumn->mask & LVCF_WIDTH) { lpColumn->cx = hdi.cxy; } if (lpColumn->mask & LVCF_IMAGE) { lpColumn->iImage = hdi.iImage; } if (lpColumn->mask & LVCF_ORDER) { lpColumn->iOrder = hdi.iOrder; } } } return bResult; } /* LISTVIEW_GetColumnW */ static LRESULT LISTVIEW_GetColumnOrderArray(HWND hwnd, INT iCount, LPINT lpiArray) { /* LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); */ INT i; if (!lpiArray) return FALSE; /* little hack */ for (i = 0; i < iCount; i++) lpiArray[i] = i; return TRUE; } /*** * DESCRIPTION: * Retrieves the column width. * * PARAMETER(S): * [I] HWND : window handle * [I] int : column index * * RETURN: * SUCCESS : column width * FAILURE : zero */ static LRESULT LISTVIEW_GetColumnWidth(HWND hwnd, INT nColumn) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; INT nColumnWidth = 0; HDITEMA hdi; if (uView == LVS_LIST) { nColumnWidth = infoPtr->nItemWidth; } else if (uView == LVS_REPORT) { /* get column width from header */ ZeroMemory(&hdi, sizeof(HDITEMA)); hdi.mask = HDI_WIDTH; if (Header_GetItemA(infoPtr->hwndHeader, nColumn, &hdi) != FALSE) { nColumnWidth = hdi.cxy; } } return nColumnWidth; } /*** * DESCRIPTION: * In list or report display mode, retrieves the number of items that can fit * vertically in the visible area. In icon or small icon display mode, * retrieves the total number of visible items. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Number of fully visible items. */ static LRESULT LISTVIEW_GetCountPerPage(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; INT nItemCount = 0; if (uView == LVS_LIST) { if (infoPtr->rcList.right > infoPtr->nItemWidth) { nItemCount = LISTVIEW_GetCountPerRow(hwnd) * LISTVIEW_GetCountPerColumn(hwnd); } } else if (uView == LVS_REPORT) { nItemCount = LISTVIEW_GetCountPerColumn(hwnd); } else { nItemCount = GETITEMCOUNT(infoPtr); } return nItemCount; } /* LISTVIEW_GetEditControl */ /*** * DESCRIPTION: * Retrieves the extended listview style. * * PARAMETERS: * [I] HWND : window handle * * RETURN: * SUCCESS : previous style * FAILURE : 0 */ static LRESULT LISTVIEW_GetExtendedListViewStyle(HWND hwnd) { LISTVIEW_INFO *infoPtr; /* make sure we can get the listview info */ if (!(infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0))) return (0); return (infoPtr->dwExStyle); } /*** * DESCRIPTION: * Retrieves the handle to the header control. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Header handle. */ static LRESULT LISTVIEW_GetHeader(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); return infoPtr->hwndHeader; } /* LISTVIEW_GetHotCursor */ /*** * DESCRIPTION: * Returns the time that the mouse cursor must hover over an item * before it is selected. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Returns the previously set hover time or (DWORD)-1 to indicate that the * hover time is set to the default hover time. */ static LRESULT LISTVIEW_GetHoverTime(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); return infoPtr->dwHoverTime; } /*** * DESCRIPTION: * Retrieves an image list handle. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : image list identifier * * RETURN: * SUCCESS : image list handle * FAILURE : NULL */ static LRESULT LISTVIEW_GetImageList(HWND hwnd, INT nImageList) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); HIMAGELIST himl = NULL; switch (nImageList) { case LVSIL_NORMAL: himl = infoPtr->himlNormal; break; case LVSIL_SMALL: himl = infoPtr->himlSmall; break; case LVSIL_STATE: himl = infoPtr->himlState; break; } return (LRESULT)himl; } /* LISTVIEW_GetISearchString */ /*** * DESCRIPTION: * Retrieves item attributes. * * PARAMETER(S): * [I] HWND : window handle * [IO] LPLVITEMA : item info * [I] internal : if true then we will use tricks that avoid copies * but are not compatible with the regular interface * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_GetItemA(HWND hwnd, LPLVITEMA lpLVItem, BOOL internal) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LONG lCtrlId = GetWindowLongA(hwnd, GWL_ID); NMLVDISPINFOA dispInfo; LISTVIEW_SUBITEM *lpSubItem; LISTVIEW_ITEM *lpItem; INT* piImage; LPSTR* ppszText; HDPA hdpaSubItems; LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); /* In the following: * lpLVItem describes the information requested by the user * lpItem/lpSubItem is what we have * dispInfo is a structure we use to request the missing * information from the application */ TRACE("(hwnd=%x, lpLVItem=%p)\n", hwnd, lpLVItem); if ((lpLVItem == NULL) || (lpLVItem->iItem < 0) || (lpLVItem->iItem >= GETITEMCOUNT(infoPtr)) ) return FALSE; if (lStyle & LVS_OWNERDATA) { if (lpLVItem->mask & ~LVIF_STATE) { dispInfo.hdr.hwndFrom = hwnd; dispInfo.hdr.idFrom = lCtrlId; dispInfo.hdr.code = LVN_GETDISPINFOA; memcpy(&dispInfo.item,lpLVItem,sizeof(LVITEMA)); ListView_Notify(GetParent(hwnd), lCtrlId, &dispInfo); memcpy(lpLVItem,&dispInfo.item,sizeof(LVITEMA)); } if ((lpLVItem->mask & LVIF_STATE)&&(lpLVItem->iSubItem == 0)) { lpLVItem->state = 0; if (infoPtr->nFocusedItem == lpLVItem->iItem) lpLVItem->state |= LVIS_FOCUSED; if (LISTVIEW_IsSelected(hwnd,lpLVItem->iItem)) lpLVItem->state |= LVIS_SELECTED; } return TRUE; } hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, lpLVItem->iItem); if (hdpaSubItems == NULL) return FALSE; lpItem = (LISTVIEW_ITEM *)DPA_GetPtr(hdpaSubItems, 0); if (lpItem == NULL) return FALSE; ZeroMemory(&dispInfo, sizeof(NMLVDISPINFOA)); if (lpLVItem->iSubItem == 0) { piImage=&lpItem->iImage; ppszText=&lpItem->pszText; if ((infoPtr->uCallbackMask != 0) && (lpLVItem->mask & LVIF_STATE)) { dispInfo.item.mask |= LVIF_STATE; dispInfo.item.stateMask = infoPtr->uCallbackMask; } } else { lpSubItem = LISTVIEW_GetSubItemPtr(hdpaSubItems, lpLVItem->iSubItem); if (lpSubItem != NULL) { piImage=&lpSubItem->iImage; ppszText=&lpSubItem->pszText; } else { piImage=NULL; ppszText=NULL; } } if ((lpLVItem->mask & LVIF_IMAGE) && ((piImage==NULL) || (*piImage == I_IMAGECALLBACK))) { dispInfo.item.mask |= LVIF_IMAGE; } if ((lpLVItem->mask & LVIF_TEXT) && ((ppszText==NULL) || (*ppszText == LPSTR_TEXTCALLBACKA))) { dispInfo.item.mask |= LVIF_TEXT; dispInfo.item.pszText = lpLVItem->pszText; dispInfo.item.cchTextMax = lpLVItem->cchTextMax; } if (dispInfo.item.mask != 0) { /* We don't have all the requested info, query the application */ dispInfo.hdr.hwndFrom = hwnd; dispInfo.hdr.idFrom = lCtrlId; dispInfo.hdr.code = LVN_GETDISPINFOA; dispInfo.item.iItem = lpLVItem->iItem; dispInfo.item.iSubItem = lpLVItem->iSubItem; dispInfo.item.lParam = lpItem->lParam; ListView_Notify(GetParent(hwnd), lCtrlId, &dispInfo); } if (dispInfo.item.mask & LVIF_IMAGE) { lpLVItem->iImage = dispInfo.item.iImage; } else if (lpLVItem->mask & LVIF_IMAGE) { lpLVItem->iImage = *piImage; } if (dispInfo.item.mask & LVIF_PARAM) { lpLVItem->lParam = dispInfo.item.lParam; } else if (lpLVItem->mask & LVIF_PARAM) { lpLVItem->lParam = lpItem->lParam; } if (dispInfo.item.mask & LVIF_TEXT) { if ((dispInfo.item.mask & LVIF_DI_SETITEM) && (ppszText != NULL)) { Str_SetPtrA(ppszText, dispInfo.item.pszText); } /* If lpLVItem->pszText==dispInfo.item.pszText a copy is unnecessary, but */ /* some apps give a new pointer in ListView_Notify so we can't be sure. */ if (lpLVItem->pszText!=dispInfo.item.pszText) { lstrcpynA(lpLVItem->pszText, dispInfo.item.pszText, lpLVItem->cchTextMax); } } else if (lpLVItem->mask & LVIF_TEXT) { if (internal==TRUE) { lpLVItem->pszText=*ppszText; } else { lstrcpynA(lpLVItem->pszText, *ppszText, lpLVItem->cchTextMax); } } if (lpLVItem->iSubItem == 0) { if (dispInfo.item.mask & LVIF_STATE) { lpLVItem->state = lpItem->state; lpLVItem->state &= ~dispInfo.item.stateMask; lpLVItem->state |= (dispInfo.item.state & dispInfo.item.stateMask); lpLVItem->state &= ~LVIS_SELECTED; if ((dispInfo.item.stateMask & LVIS_SELECTED) && (LISTVIEW_IsSelected(hwnd,dispInfo.item.iItem))) lpLVItem->state |= LVIS_SELECTED; } else if (lpLVItem->mask & LVIF_STATE) { lpLVItem->state = lpItem->state & lpLVItem->stateMask; lpLVItem->state &= ~LVIS_SELECTED; if ((lpLVItem->stateMask & LVIS_SELECTED) && (LISTVIEW_IsSelected(hwnd,lpLVItem->iItem))) lpLVItem->state |= LVIS_SELECTED; } if (lpLVItem->mask & LVIF_PARAM) { lpLVItem->lParam = lpItem->lParam; } if (lpLVItem->mask & LVIF_INDENT) { lpLVItem->iIndent = lpItem->iIndent; } } return TRUE; } /* LISTVIEW_GetItemW */ /* LISTVIEW_GetHotCursor */ /*** * DESCRIPTION: * Retrieves the index of the hot item. * * PARAMETERS: * [I] HWND : window handle * * RETURN: * SUCCESS : hot item index * FAILURE : -1 (no hot item) */ static LRESULT LISTVIEW_GetHotItem(HWND hwnd) { LISTVIEW_INFO *infoPtr; /* make sure we can get the listview info */ if (!(infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0))) return (-1); return (infoPtr->nHotItem); } /* LISTVIEW_GetHoverTime */ /*** * DESCRIPTION: * Retrieves the number of items in the listview control. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Number of items. */ static LRESULT LISTVIEW_GetItemCount(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); return GETITEMCOUNT(infoPtr); } /*** * DESCRIPTION: * Retrieves the position (upper-left) of the listview control item. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * [O] LPPOINT : coordinate information * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_GetItemPosition(HWND hwnd, INT nItem, LPPOINT lpptPosition) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; BOOL bResult = FALSE; HDPA hdpaSubItems; LISTVIEW_ITEM *lpItem; INT nCountPerColumn; INT nRow; TRACE("(hwnd=%x,nItem=%d,lpptPosition=%p)\n", hwnd, nItem, lpptPosition); if ((nItem >= 0) && (nItem < GETITEMCOUNT(infoPtr)) && (lpptPosition != NULL)) { if (uView == LVS_LIST) { bResult = TRUE; nItem = nItem - ListView_GetTopIndex(hwnd); nCountPerColumn = LISTVIEW_GetCountPerColumn(hwnd); if (nItem < 0) { nRow = nItem % nCountPerColumn; if (nRow == 0) { lpptPosition->x = nItem / nCountPerColumn * infoPtr->nItemWidth; lpptPosition->y = 0; } else { lpptPosition->x = (nItem / nCountPerColumn -1) * infoPtr->nItemWidth; lpptPosition->y = (nRow + nCountPerColumn) * infoPtr->nItemHeight; } } else { lpptPosition->x = nItem / nCountPerColumn * infoPtr->nItemWidth; lpptPosition->y = nItem % nCountPerColumn * infoPtr->nItemHeight; } } else if (uView == LVS_REPORT) { bResult = TRUE; lpptPosition->x = REPORT_MARGINX; lpptPosition->y = ((nItem - ListView_GetTopIndex(hwnd)) * infoPtr->nItemHeight) + infoPtr->rcList.top; } else { hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, nItem); if (hdpaSubItems != NULL) { lpItem = (LISTVIEW_ITEM *)DPA_GetPtr(hdpaSubItems, 0); if (lpItem != NULL) { bResult = TRUE; lpptPosition->x = lpItem->ptPosition.x; lpptPosition->y = lpItem->ptPosition.y; } } } } return bResult; } /*** * DESCRIPTION: * Retrieves the bounding rectangle for a listview control item. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * [IO] LPRECT : bounding rectangle coordinates * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_GetItemRect(HWND hwnd, INT nItem, LPRECT lprc) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; BOOL bResult = FALSE; POINT ptOrigin; POINT ptItem; HDC hdc; HFONT hOldFont; INT nLeftPos; INT nLabelWidth; INT nIndent; TEXTMETRICA tm; LVITEMA lvItem; TRACE("(hwnd=%x, nItem=%d, lprc=%p)\n", hwnd, nItem, lprc); if (uView & LVS_REPORT) { ZeroMemory(&lvItem, sizeof(LVITEMA)); lvItem.mask = LVIF_INDENT; lvItem.iItem = nItem; lvItem.iSubItem = 0; LISTVIEW_GetItemA(hwnd, &lvItem, TRUE); /* do indent */ if (lvItem.iIndent>0 && infoPtr->iconSize.cx > 0) { nIndent = infoPtr->iconSize.cx * lvItem.iIndent; } else nIndent = 0; } else nIndent = 0; if ((nItem >= 0) && (nItem < GETITEMCOUNT(infoPtr)) && (lprc != NULL)) { if (ListView_GetItemPosition(hwnd, nItem, &ptItem) != FALSE) { switch(lprc->left) { case LVIR_ICON: if (uView == LVS_ICON) { if (infoPtr->himlNormal != NULL) { if (LISTVIEW_GetOrigin(hwnd, &ptOrigin) != FALSE) { bResult = TRUE; lprc->left = ptItem.x + ptOrigin.x; lprc->top = ptItem.y + ptOrigin.y; lprc->right = lprc->left + infoPtr->iconSize.cx; lprc->bottom = (lprc->top + infoPtr->iconSize.cy + ICON_BOTTOM_PADDING + ICON_TOP_PADDING); } } } else if (uView == LVS_SMALLICON) { if (LISTVIEW_GetOrigin(hwnd, &ptOrigin) != FALSE) { bResult = TRUE; lprc->left = ptItem.x + ptOrigin.x; lprc->top = ptItem.y + ptOrigin.y; lprc->bottom = lprc->top + infoPtr->nItemHeight; if (infoPtr->himlState != NULL) lprc->left += infoPtr->iconSize.cx; if (infoPtr->himlSmall != NULL) lprc->right = lprc->left + infoPtr->iconSize.cx; else lprc->right = lprc->left; } } else { bResult = TRUE; lprc->left = ptItem.x; if (uView & LVS_REPORT) lprc->left += nIndent; lprc->top = ptItem.y; lprc->bottom = lprc->top + infoPtr->nItemHeight; if (infoPtr->himlState != NULL) { lprc->left += infoPtr->iconSize.cx; } if (infoPtr->himlSmall != NULL) { lprc->right = lprc->left + infoPtr->iconSize.cx; } else { lprc->right = lprc->left; } } break; case LVIR_LABEL: if (uView == LVS_ICON) { if (infoPtr->himlNormal != NULL) { if (LISTVIEW_GetOrigin(hwnd, &ptOrigin) != FALSE) { bResult = TRUE; lprc->left = ptItem.x + ptOrigin.x; lprc->top = (ptItem.y + ptOrigin.y + infoPtr->iconSize.cy + ICON_BOTTOM_PADDING + ICON_TOP_PADDING); nLabelWidth = LISTVIEW_GetLabelWidth(hwnd, nItem); if (infoPtr->iconSpacing.cx - nLabelWidth > 1) { lprc->left += (infoPtr->iconSpacing.cx - nLabelWidth) / 2; lprc->right = lprc->left + nLabelWidth; } else { lprc->left += 1; lprc->right = lprc->left + infoPtr->iconSpacing.cx - 1; } hdc = GetDC(hwnd); hOldFont = SelectObject(hdc, infoPtr->hFont); GetTextMetricsA(hdc, &tm); lprc->bottom = lprc->top + tm.tmHeight + HEIGHT_PADDING; SelectObject(hdc, hOldFont); ReleaseDC(hwnd, hdc); } } } else if (uView == LVS_SMALLICON) { if (LISTVIEW_GetOrigin(hwnd, &ptOrigin) != FALSE) { bResult = TRUE; nLeftPos = lprc->left = ptItem.x + ptOrigin.x; lprc->top = ptItem.y + ptOrigin.y; lprc->bottom = lprc->top + infoPtr->nItemHeight; if (infoPtr->himlState != NULL) { lprc->left += infoPtr->iconSize.cx; } if (infoPtr->himlSmall != NULL) { lprc->left += infoPtr->iconSize.cx; } nLabelWidth = LISTVIEW_GetLabelWidth(hwnd, nItem); nLabelWidth += TRAILING_PADDING; if (lprc->left + nLabelWidth < nLeftPos + infoPtr->nItemWidth) { lprc->right = lprc->left + nLabelWidth; } else { lprc->right = nLeftPos + infoPtr->nItemWidth; } } } else { bResult = TRUE; if (uView & LVS_REPORT) nLeftPos = lprc->left = ptItem.x + nIndent; else nLeftPos = lprc->left = ptItem.x; lprc->top = ptItem.y; lprc->bottom = lprc->top + infoPtr->nItemHeight; if (infoPtr->himlState != NULL) { lprc->left += infoPtr->iconSize.cx; } if (infoPtr->himlSmall != NULL) { lprc->left += infoPtr->iconSize.cx; } nLabelWidth = LISTVIEW_GetLabelWidth(hwnd, nItem); nLabelWidth += TRAILING_PADDING; if (infoPtr->himlSmall) nLabelWidth += IMAGE_PADDING; if (lprc->left + nLabelWidth < nLeftPos + infoPtr->nItemWidth) { lprc->right = lprc->left + nLabelWidth; } else { lprc->right = nLeftPos + infoPtr->nItemWidth; } } break; case LVIR_BOUNDS: if (uView == LVS_ICON) { if (infoPtr->himlNormal != NULL) { if (LISTVIEW_GetOrigin(hwnd, &ptOrigin) != FALSE) { bResult = TRUE; lprc->left = ptItem.x + ptOrigin.x; lprc->top = ptItem.y + ptOrigin.y; lprc->right = lprc->left + infoPtr->iconSpacing.cx; lprc->bottom = lprc->top + infoPtr->iconSpacing.cy; } } } else if (uView == LVS_SMALLICON) { if (LISTVIEW_GetOrigin(hwnd, &ptOrigin) != FALSE) { bResult = TRUE; lprc->left = ptItem.x + ptOrigin.x; lprc->right = lprc->left; lprc->top = ptItem.y + ptOrigin.y; lprc->bottom = lprc->top + infoPtr->nItemHeight; if (infoPtr->himlState != NULL) lprc->right += infoPtr->iconSize.cx; if (infoPtr->himlSmall != NULL) lprc->right += infoPtr->iconSize.cx; nLabelWidth = LISTVIEW_GetLabelWidth(hwnd, nItem); nLabelWidth += TRAILING_PADDING; if (infoPtr->himlSmall) nLabelWidth += IMAGE_PADDING; if (lprc->right + nLabelWidth < lprc->left + infoPtr->nItemWidth) { lprc->right += nLabelWidth; } else { lprc->right = lprc->left + infoPtr->nItemWidth; } } } else { bResult = TRUE; lprc->left = ptItem.x; if (!(infoPtr->dwExStyle&LVS_EX_FULLROWSELECT) && uView&LVS_REPORT) lprc->left += nIndent; lprc->right = lprc->left; lprc->top = ptItem.y; lprc->bottom = lprc->top + infoPtr->nItemHeight; if (infoPtr->dwExStyle & LVS_EX_FULLROWSELECT) { RECT br; int nColumnCount = Header_GetItemCount(infoPtr->hwndHeader); Header_GetItemRect(infoPtr->hwndHeader, nColumnCount-1, &br); lprc->right = max(lprc->left, br.right - REPORT_MARGINX); } else { if (infoPtr->himlState != NULL) { lprc->right += infoPtr->iconSize.cx; } if (infoPtr->himlSmall != NULL) { lprc->right += infoPtr->iconSize.cx; } nLabelWidth = LISTVIEW_GetLabelWidth(hwnd, nItem); nLabelWidth += TRAILING_PADDING; if (lprc->right + nLabelWidth < lprc->left + infoPtr->nItemWidth) { lprc->right += nLabelWidth; } else { lprc->right = lprc->left + infoPtr->nItemWidth; } } } break; case LVIR_SELECTBOUNDS: if (uView == LVS_ICON) { if (infoPtr->himlNormal != NULL) { if (LISTVIEW_GetOrigin(hwnd, &ptOrigin) != FALSE) { bResult = TRUE; lprc->left = ptItem.x + ptOrigin.x; lprc->top = ptItem.y + ptOrigin.y; lprc->right = lprc->left + infoPtr->iconSpacing.cx; lprc->bottom = lprc->top + infoPtr->iconSpacing.cy; } } } else if (uView == LVS_SMALLICON) { if (LISTVIEW_GetOrigin(hwnd, &ptOrigin) != FALSE) { bResult = TRUE; nLeftPos= lprc->left = ptItem.x + ptOrigin.x; lprc->top = ptItem.y + ptOrigin.y; lprc->bottom = lprc->top + infoPtr->nItemHeight; if (infoPtr->himlState != NULL) { lprc->left += infoPtr->iconSize.cx; } lprc->right = lprc->left; if (infoPtr->himlSmall != NULL) { lprc->right += infoPtr->iconSize.cx; } nLabelWidth = LISTVIEW_GetLabelWidth(hwnd, nItem); nLabelWidth += TRAILING_PADDING; if (lprc->right + nLabelWidth < nLeftPos + infoPtr->nItemWidth) { lprc->right += nLabelWidth; } else { lprc->right = nLeftPos + infoPtr->nItemWidth; } } } else { bResult = TRUE; if (!(infoPtr->dwExStyle&LVS_EX_FULLROWSELECT) && (uView&LVS_REPORT)) nLeftPos = lprc->left = ptItem.x + nIndent; else nLeftPos = lprc->left = ptItem.x; lprc->top = ptItem.y; lprc->bottom = lprc->top + infoPtr->nItemHeight; if (infoPtr->himlState != NULL) { lprc->left += infoPtr->iconSize.cx; } lprc->right = lprc->left; if (infoPtr->dwExStyle & LVS_EX_FULLROWSELECT) { RECT br; int nColumnCount = Header_GetItemCount(infoPtr->hwndHeader); Header_GetItemRect(infoPtr->hwndHeader, nColumnCount-1, &br); lprc->right = max(lprc->left, br.right - REPORT_MARGINX); } else { if (infoPtr->himlSmall != NULL) { lprc->right += infoPtr->iconSize.cx; } nLabelWidth = LISTVIEW_GetLabelWidth(hwnd, nItem); nLabelWidth += TRAILING_PADDING; if (infoPtr->himlSmall) nLabelWidth += IMAGE_PADDING; if (lprc->right + nLabelWidth < nLeftPos + infoPtr->nItemWidth) { lprc->right += nLabelWidth; } else { lprc->right = nLeftPos + infoPtr->nItemWidth; } } } break; } } } return bResult; } /*** * DESCRIPTION: * Retrieves the width of a label. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * SUCCESS : string width (in pixels) * FAILURE : zero */ static INT LISTVIEW_GetLabelWidth(HWND hwnd, INT nItem) { CHAR szDispText[DISP_TEXT_SIZE]; INT nLabelWidth = 0; LVITEMA lvItem; TRACE("(hwnd=%x, nItem=%d)\n", hwnd, nItem); ZeroMemory(&lvItem, sizeof(LVITEMA)); lvItem.mask = LVIF_TEXT; lvItem.iItem = nItem; lvItem.cchTextMax = DISP_TEXT_SIZE; lvItem.pszText = szDispText; if (LISTVIEW_GetItemA(hwnd, &lvItem, TRUE) != FALSE) { nLabelWidth = ListView_GetStringWidthA(hwnd, lvItem.pszText); } return nLabelWidth; } /*** * DESCRIPTION: * Retrieves the spacing between listview control items. * * PARAMETER(S): * [I] HWND : window handle * [I] BOOL : flag for small or large icon * * RETURN: * Horizontal + vertical spacing */ static LRESULT LISTVIEW_GetItemSpacing(HWND hwnd, BOOL bSmall) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LONG lResult; if (bSmall == FALSE) { lResult = MAKELONG(infoPtr->iconSpacing.cx, infoPtr->iconSpacing.cy); } else { /* TODO: need to store width of smallicon item */ lResult = MAKELONG(0, infoPtr->nItemHeight); } return lResult; } /*** * DESCRIPTION: * Retrieves the state of a listview control item. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * [I] UINT : state mask * * RETURN: * State specified by the mask. */ static LRESULT LISTVIEW_GetItemState(HWND hwnd, INT nItem, UINT uMask) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LVITEMA lvItem; UINT uState = 0; if ((nItem >= 0) && (nItem < GETITEMCOUNT(infoPtr))) { ZeroMemory(&lvItem, sizeof(LVITEMA)); lvItem.iItem = nItem; lvItem.stateMask = uMask; lvItem.mask = LVIF_STATE; if (LISTVIEW_GetItemA(hwnd, &lvItem, TRUE) != FALSE) { uState = lvItem.state; } } return uState; } /*** * DESCRIPTION: * Retrieves the text of a listview control item or subitem. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * [IO] LPLVITEMA : item information * * RETURN: * SUCCESS : string length * FAILURE : 0 */ static LRESULT LISTVIEW_GetItemTextA(HWND hwnd, INT nItem, LPLVITEMA lpLVItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); INT nLength = 0; if (lpLVItem != NULL) { if ((nItem >= 0) && (nItem < GETITEMCOUNT(infoPtr))) { lpLVItem->mask = LVIF_TEXT; lpLVItem->iItem = nItem; if (LISTVIEW_GetItemA(hwnd, lpLVItem, FALSE) != FALSE) { nLength = lstrlenA(lpLVItem->pszText); } } } return nLength; } /*** * DESCRIPTION: * Searches for an item based on properties + relationships. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * [I] INT : relationship flag * * RETURN: * SUCCESS : item index * FAILURE : -1 */ static LRESULT LISTVIEW_GetNextItem(HWND hwnd, INT nItem, UINT uFlags) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; UINT uMask = 0; LVFINDINFO lvFindInfo; INT nCountPerColumn; INT i; if ((nItem >= -1) && (nItem < GETITEMCOUNT(infoPtr))) { ZeroMemory(&lvFindInfo, sizeof(LVFINDINFO)); if (uFlags & LVNI_CUT) uMask |= LVIS_CUT; if (uFlags & LVNI_DROPHILITED) uMask |= LVIS_DROPHILITED; if (uFlags & LVNI_FOCUSED) uMask |= LVIS_FOCUSED; if (uFlags & LVNI_SELECTED) uMask |= LVIS_SELECTED; if (uFlags & LVNI_ABOVE) { if ((uView == LVS_LIST) || (uView == LVS_REPORT)) { while (nItem >= 0) { nItem--; if ((ListView_GetItemState(hwnd, nItem, uMask) & uMask) == uMask) return nItem; } } else { lvFindInfo.flags = LVFI_NEARESTXY; lvFindInfo.vkDirection = VK_UP; ListView_GetItemPosition(hwnd, nItem, &lvFindInfo.pt); while ((nItem = ListView_FindItem(hwnd, nItem, &lvFindInfo)) != -1) { if ((ListView_GetItemState(hwnd, nItem, uMask) & uMask) == uMask) return nItem; } } } else if (uFlags & LVNI_BELOW) { if ((uView == LVS_LIST) || (uView == LVS_REPORT)) { while (nItem < GETITEMCOUNT(infoPtr)) { nItem++; if ((ListView_GetItemState(hwnd, nItem, uMask) & uMask) == uMask) return nItem; } } else { lvFindInfo.flags = LVFI_NEARESTXY; lvFindInfo.vkDirection = VK_DOWN; ListView_GetItemPosition(hwnd, nItem, &lvFindInfo.pt); while ((nItem = ListView_FindItem(hwnd, nItem, &lvFindInfo)) != -1) { if ((ListView_GetItemState(hwnd, nItem, uMask) & uMask) == uMask) return nItem; } } } else if (uFlags & LVNI_TOLEFT) { if (uView == LVS_LIST) { nCountPerColumn = LISTVIEW_GetCountPerColumn(hwnd); while (nItem - nCountPerColumn >= 0) { nItem -= nCountPerColumn; if ((ListView_GetItemState(hwnd, nItem, uMask) & uMask) == uMask) return nItem; } } else if ((uView == LVS_SMALLICON) || (uView == LVS_ICON)) { lvFindInfo.flags = LVFI_NEARESTXY; lvFindInfo.vkDirection = VK_LEFT; ListView_GetItemPosition(hwnd, nItem, &lvFindInfo.pt); while ((nItem = ListView_FindItem(hwnd, nItem, &lvFindInfo)) != -1) { if ((ListView_GetItemState(hwnd, nItem, uMask) & uMask) == uMask) return nItem; } } } else if (uFlags & LVNI_TORIGHT) { if (uView == LVS_LIST) { nCountPerColumn = LISTVIEW_GetCountPerColumn(hwnd); while (nItem + nCountPerColumn < GETITEMCOUNT(infoPtr)) { nItem += nCountPerColumn; if ((ListView_GetItemState(hwnd, nItem, uMask) & uMask) == uMask) return nItem; } } else if ((uView == LVS_SMALLICON) || (uView == LVS_ICON)) { lvFindInfo.flags = LVFI_NEARESTXY; lvFindInfo.vkDirection = VK_RIGHT; ListView_GetItemPosition(hwnd, nItem, &lvFindInfo.pt); while ((nItem = ListView_FindItem(hwnd, nItem, &lvFindInfo)) != -1) { if ((ListView_GetItemState(hwnd, nItem, uMask) & uMask) == uMask) return nItem; } } } else { nItem++; /* search by index */ for (i = nItem; i < GETITEMCOUNT(infoPtr); i++) { if ((ListView_GetItemState(hwnd, i, uMask) & uMask) == uMask) return i; } } } return -1; } /* LISTVIEW_GetNumberOfWorkAreas */ /*** * DESCRIPTION: * Retrieves the origin coordinates when in icon or small icon display mode. * * PARAMETER(S): * [I] HWND : window handle * [O] LPPOINT : coordinate information * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_GetOrigin(HWND hwnd, LPPOINT lpptOrigin) { LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = lStyle & LVS_TYPEMASK; BOOL bResult = FALSE; TRACE("(hwnd=%x, lpptOrigin=%p)\n", hwnd, lpptOrigin); if ((uView == LVS_SMALLICON) || (uView == LVS_ICON)) { SCROLLINFO scrollInfo; ZeroMemory(lpptOrigin, sizeof(POINT)); ZeroMemory(&scrollInfo, sizeof(SCROLLINFO)); scrollInfo.cbSize = sizeof(SCROLLINFO); if (lStyle & WS_HSCROLL) { scrollInfo.fMask = SIF_POS; if (GetScrollInfo(hwnd, SB_HORZ, &scrollInfo) != FALSE) { lpptOrigin->x = -scrollInfo.nPos * LISTVIEW_SCROLL_DIV_SIZE; } } if (lStyle & WS_VSCROLL) { scrollInfo.fMask = SIF_POS; if (GetScrollInfo(hwnd, SB_VERT, &scrollInfo) != FALSE) { lpptOrigin->y = -scrollInfo.nPos * LISTVIEW_SCROLL_DIV_SIZE; } } bResult = TRUE; } return bResult; } /*** * DESCRIPTION: * Retrieves the number of items that are marked as selected. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Number of items selected. */ static LRESULT LISTVIEW_GetSelectedCount(HWND hwnd) { /* REDO THIS */ LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); INT nSelectedCount = 0; INT i; for (i = 0; i < GETITEMCOUNT(infoPtr); i++) { if (ListView_GetItemState(hwnd, i, LVIS_SELECTED) & LVIS_SELECTED) { nSelectedCount++; } } return nSelectedCount; } /*** * DESCRIPTION: * Retrieves item index that marks the start of a multiple selection. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Index number or -1 if there is no selection mark. */ static LRESULT LISTVIEW_GetSelectionMark(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); return infoPtr->nSelectionMark; } /*** * DESCRIPTION: * Retrieves the width of a string. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * SUCCESS : string width (in pixels) * FAILURE : zero */ static LRESULT LISTVIEW_GetStringWidthA(HWND hwnd, LPCSTR lpszText) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); HFONT hFont, hOldFont; SIZE stringSize; HDC hdc; ZeroMemory(&stringSize, sizeof(SIZE)); if (lpszText != NULL && lpszText != (LPCSTR)-1) { hFont = infoPtr->hFont ? infoPtr->hFont : infoPtr->hDefaultFont; hdc = GetDC(hwnd); hOldFont = SelectObject(hdc, hFont); GetTextExtentPointA(hdc, lpszText, lstrlenA(lpszText), &stringSize); SelectObject(hdc, hOldFont); ReleaseDC(hwnd, hdc); } return stringSize.cx; } /*** * DESCRIPTION: * Retrieves the text backgound color. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * COLORREF associated with the the background. */ static LRESULT LISTVIEW_GetTextBkColor(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO*)GetWindowLongA(hwnd, 0); return infoPtr->clrTextBk; } /*** * DESCRIPTION: * Retrieves the text color. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * COLORREF associated with the text. */ static LRESULT LISTVIEW_GetTextColor(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO*)GetWindowLongA(hwnd, 0); return infoPtr->clrText; } /*** * DESCRIPTION: * Determines which section of the item was selected (if any). * * PARAMETER(S): * [I] HWND : window handle * [IO] LPLVHITTESTINFO : hit test information * [I] subitem : fill out iSubItem. * * RETURN: * SUCCESS : item index * FAILURE : -1 */ static INT LISTVIEW_HitTestItem( HWND hwnd, LPLVHITTESTINFO lpHitTestInfo, BOOL subitem ) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); RECT rcItem; INT i,topindex,bottomindex; LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = lStyle & LVS_TYPEMASK; TRACE("(hwnd=%x, x=%ld, y=%ld)\n", hwnd, lpHitTestInfo->pt.x, lpHitTestInfo->pt.y); topindex = ListView_GetTopIndex(hwnd); if (uView == LVS_REPORT) { bottomindex = topindex + LISTVIEW_GetCountPerColumn(hwnd) + 1; bottomindex = min(bottomindex,GETITEMCOUNT(infoPtr)); } else { bottomindex = GETITEMCOUNT(infoPtr); } for (i = topindex; i < bottomindex; i++) { rcItem.left = LVIR_BOUNDS; if (LISTVIEW_GetItemRect(hwnd, i, &rcItem) != FALSE) { if (PtInRect(&rcItem, lpHitTestInfo->pt) != FALSE) { rcItem.left = LVIR_ICON; if (LISTVIEW_GetItemRect(hwnd, i, &rcItem) != FALSE) { if (PtInRect(&rcItem, lpHitTestInfo->pt) != FALSE) { lpHitTestInfo->flags = LVHT_ONITEMICON; lpHitTestInfo->iItem = i; if (subitem) lpHitTestInfo->iSubItem = 0; return i; } } rcItem.left = LVIR_LABEL; if (LISTVIEW_GetItemRect(hwnd, i, &rcItem) != FALSE) { if (PtInRect(&rcItem, lpHitTestInfo->pt) != FALSE) { lpHitTestInfo->flags = LVHT_ONITEMLABEL; lpHitTestInfo->iItem = i; if (subitem) lpHitTestInfo->iSubItem = 0; return i; } } lpHitTestInfo->flags = LVHT_ONITEMSTATEICON; lpHitTestInfo->iItem = i; if (subitem) lpHitTestInfo->iSubItem = 0; return i; } } } lpHitTestInfo->flags = LVHT_NOWHERE; return -1; } /*** * DESCRIPTION: * Determines which listview item is located at the specified position. * * PARAMETER(S): * [I] HWND : window handle * [IO} LPLVHITTESTINFO : hit test information * * RETURN: * SUCCESS : item index * FAILURE : -1 */ static LRESULT LISTVIEW_HitTest(HWND hwnd, LPLVHITTESTINFO lpHitTestInfo) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); INT nItem = -1; lpHitTestInfo->flags = 0; if (infoPtr->rcList.left > lpHitTestInfo->pt.x) { lpHitTestInfo->flags = LVHT_TOLEFT; } else if (infoPtr->rcList.right < lpHitTestInfo->pt.x) { lpHitTestInfo->flags = LVHT_TORIGHT; } if (infoPtr->rcList.top > lpHitTestInfo->pt.y) { lpHitTestInfo->flags |= LVHT_ABOVE; } else if (infoPtr->rcList.bottom < lpHitTestInfo->pt.y) { lpHitTestInfo->flags |= LVHT_BELOW; } if (lpHitTestInfo->flags == 0) { /* NOTE (mm 20001022): We must not allow iSubItem to be touched, for * an app might pass only a structure with space up to iItem! * (MS Office 97 does that for instance in the file open dialog) */ nItem = LISTVIEW_HitTestItem(hwnd, lpHitTestInfo, FALSE); } return nItem; } /*** * DESCRIPTION: * Inserts a new column. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : column index * [I] LPLVCOLUMNA : column information * * RETURN: * SUCCESS : new column index * FAILURE : -1 */ static LRESULT LISTVIEW_InsertColumnA(HWND hwnd, INT nColumn, LPLVCOLUMNA lpColumn) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); HDITEMA hdi; INT nNewColumn = -1; TRACE("(hwnd=%x, nColumn=%d, lpColumn=%p)\n",hwnd, nColumn, lpColumn); if (lpColumn != NULL) { /* initialize memory */ ZeroMemory(&hdi, sizeof(HDITEMA)); if (lpColumn->mask & LVCF_FMT) { /* format member is valid */ hdi.mask |= HDI_FORMAT; /* set text alignment (leftmost column must be left-aligned) */ if (nColumn == 0) { hdi.fmt |= HDF_LEFT; } else { if (lpColumn->fmt & LVCFMT_LEFT) { hdi.fmt |= HDF_LEFT; } else if (lpColumn->fmt & LVCFMT_RIGHT) { hdi.fmt |= HDF_RIGHT; } else if (lpColumn->fmt & LVCFMT_CENTER) { hdi.fmt |= HDF_CENTER; } } if (lpColumn->fmt & LVCFMT_BITMAP_ON_RIGHT) { hdi.fmt |= HDF_BITMAP_ON_RIGHT; /* ??? */ } if (lpColumn->fmt & LVCFMT_COL_HAS_IMAGES) { /* ??? */ } if (lpColumn->fmt & LVCFMT_IMAGE) { hdi.fmt |= HDF_IMAGE; hdi.iImage = I_IMAGECALLBACK; } } if (lpColumn->mask & LVCF_WIDTH) { hdi.mask |= HDI_WIDTH; hdi.cxy = lpColumn->cx; } if (lpColumn->mask & LVCF_TEXT) { hdi.mask |= HDI_TEXT | HDI_FORMAT; hdi.pszText = lpColumn->pszText; hdi.cchTextMax = lstrlenA(lpColumn->pszText); hdi.fmt |= HDF_STRING; } if (lpColumn->mask & LVCF_IMAGE) { hdi.mask |= HDI_IMAGE; hdi.iImage = lpColumn->iImage; } if (lpColumn->mask & LVCF_ORDER) { hdi.mask |= HDI_ORDER; hdi.iOrder = lpColumn->iOrder; } /* insert item in header control */ nNewColumn = SendMessageA(infoPtr->hwndHeader, HDM_INSERTITEMA, (WPARAM)nColumn, (LPARAM)&hdi); /* Need to reset the item width when inserting a new column */ infoPtr->nItemWidth = LISTVIEW_GetItemWidth(hwnd); LISTVIEW_UpdateScroll(hwnd); InvalidateRect(hwnd, NULL, FALSE); } return nNewColumn; } static LRESULT LISTVIEW_InsertColumnW(HWND hwnd, INT nColumn, LPLVCOLUMNW lpColumn) { LVCOLUMNA lvca; LRESULT lres; memcpy(&lvca,lpColumn,sizeof(lvca)); if (lpColumn->mask & LVCF_TEXT) lvca.pszText = HEAP_strdupWtoA(GetProcessHeap(),0,lpColumn->pszText); lres = LISTVIEW_InsertColumnA(hwnd,nColumn,&lvca); if (lpColumn->mask & LVCF_TEXT) HeapFree(GetProcessHeap(),0,lvca.pszText); return lres; } /* LISTVIEW_InsertCompare: callback routine for comparing pszText members of the LV_ITEMS in a LISTVIEW on insert. Passed to DPA_Sort in LISTVIEW_InsertItem. This function should only be used for inserting items into a sorted list (LVM_INSERTITEM) and not during the processing of a LVM_SORTITEMS message. Applications should provide their own sort proc. when sending LVM_SORTITEMS. */ /* Platform SDK: (remarks on LVITEM: LVM_INSERTITEM will insert the new item in the proper sort postion... if: LVS_SORTXXX must be specified, LVS_OWNERDRAW is not set, .pszText is not LPSTR_TEXTCALLBACK. (LVS_SORT* flags): "For the LVS_SORTASCENDING... styles, item indices are sorted based on item text..." */ static INT WINAPI LISTVIEW_InsertCompare( LPVOID first, LPVOID second, LPARAM lParam) { HDPA hdpa_first = (HDPA) first; HDPA hdpa_second = (HDPA) second; LISTVIEW_ITEM* lv_first = (LISTVIEW_ITEM*) DPA_GetPtr( hdpa_first, 0 ); LISTVIEW_ITEM* lv_second = (LISTVIEW_ITEM*) DPA_GetPtr( hdpa_second, 0 ); LONG lStyle = GetWindowLongA((HWND) lParam, GWL_STYLE); INT cmpv = lstrcmpA( lv_first->pszText, lv_second->pszText ); /* if we're sorting descending, negate the return value */ return (lStyle & LVS_SORTDESCENDING) ? -cmpv : cmpv; } /*** * nESCRIPTION: * Inserts a new item in the listview control. * * PARAMETER(S): * [I] HWND : window handle * [I] LPLVITEMA : item information * * RETURN: * SUCCESS : new item index * FAILURE : -1 */ static LRESULT LISTVIEW_InsertItemA(HWND hwnd, LPLVITEMA lpLVItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = lStyle & LVS_TYPEMASK; LONG lCtrlId = GetWindowLongA(hwnd, GWL_ID); NMLISTVIEW nmlv; INT nItem = -1; HDPA hdpaSubItems; INT nItemWidth = 0; LISTVIEW_ITEM *lpItem = NULL; TRACE("(hwnd=%x,lpLVItem=%p)\n", hwnd, lpLVItem); if (lStyle & LVS_OWNERDATA) { nItem = infoPtr->hdpaItems->nItemCount; infoPtr->hdpaItems->nItemCount ++; return nItem; } if (lpLVItem != NULL) { /* make sure it's not a subitem; cannot insert a subitem */ if (lpLVItem->iSubItem == 0) { lpItem = (LISTVIEW_ITEM *)COMCTL32_Alloc(sizeof(LISTVIEW_ITEM)); if (lpItem != NULL) { ZeroMemory(lpItem, sizeof(LISTVIEW_ITEM)); if (LISTVIEW_InitItem(hwnd, lpItem, lpLVItem) != FALSE) { /* insert item in listview control data structure */ hdpaSubItems = DPA_Create(8); if (hdpaSubItems != NULL) { nItem = DPA_InsertPtr(hdpaSubItems, 0, lpItem); if (nItem != -1) { if ( ((lStyle & LVS_SORTASCENDING) || (lStyle & LVS_SORTDESCENDING)) && !(lStyle & LVS_OWNERDRAWFIXED) && (LPSTR_TEXTCALLBACKA != lpLVItem->pszText) ) { /* Insert the item in the proper sort order based on the pszText member. See comments for LISTVIEW_InsertCompare() for greater detail */ nItem = DPA_InsertPtr( infoPtr->hdpaItems, GETITEMCOUNT( infoPtr ) + 1, hdpaSubItems ); DPA_Sort( infoPtr->hdpaItems, LISTVIEW_InsertCompare, hwnd ); nItem = DPA_GetPtrIndex( infoPtr->hdpaItems, hdpaSubItems ); } else { nItem = DPA_InsertPtr(infoPtr->hdpaItems, lpLVItem->iItem, hdpaSubItems); } if (nItem != -1) { LISTVIEW_ShiftSelections(hwnd,nItem,1); /* manage item focus */ if (lpLVItem->mask & LVIF_STATE) { lpItem->state &= ~(LVIS_FOCUSED|LVIS_SELECTED); if (lpLVItem->stateMask & LVIS_SELECTED) { LISTVIEW_SetSelection(hwnd, nItem); } else if (lpLVItem->stateMask & LVIS_FOCUSED) { LISTVIEW_SetItemFocus(hwnd, nItem); } } /* send LVN_INSERTITEM notification */ ZeroMemory(&nmlv, sizeof(NMLISTVIEW)); nmlv.hdr.hwndFrom = hwnd; nmlv.hdr.idFrom = lCtrlId; nmlv.hdr.code = LVN_INSERTITEM; nmlv.iItem = nItem; nmlv.lParam = lpItem->lParam;; ListView_LVNotify(GetParent(hwnd), lCtrlId, &nmlv); if ((uView == LVS_SMALLICON) || (uView == LVS_LIST)) { nItemWidth = LISTVIEW_CalculateWidth(hwnd, lpLVItem->iItem); if (nItemWidth > infoPtr->nItemWidth) { infoPtr->nItemWidth = nItemWidth; } } /* align items (set position of each item) */ if ((uView == LVS_SMALLICON) || (uView == LVS_ICON)) { if (lStyle & LVS_ALIGNLEFT) { LISTVIEW_AlignLeft(hwnd); } else { LISTVIEW_AlignTop(hwnd); } } LISTVIEW_UpdateScroll(hwnd); /* refresh client area */ InvalidateRect(hwnd, NULL, FALSE); } } } } } } } /* free memory if unsuccessful */ if ((nItem == -1) && (lpItem != NULL)) { COMCTL32_Free(lpItem); } return nItem; } static LRESULT LISTVIEW_InsertItemW(HWND hwnd, LPLVITEMW lpLVItem) { LVITEMA lvia; LRESULT lres; memcpy(&lvia,lpLVItem,sizeof(LVITEMA)); if (lvia.mask & LVIF_TEXT) { if (lpLVItem->pszText == LPSTR_TEXTCALLBACKW) lvia.pszText = LPSTR_TEXTCALLBACKA; else lvia.pszText = HEAP_strdupWtoA(GetProcessHeap(),0,lpLVItem->pszText); } lres = LISTVIEW_InsertItemA(hwnd, &lvia); if (lvia.mask & LVIF_TEXT) { if (lpLVItem->pszText != LPSTR_TEXTCALLBACKW) HeapFree(GetProcessHeap(),0,lvia.pszText); } return lres; } /* LISTVIEW_InsertItemW */ /*** * DESCRIPTION: * Redraws a range of items. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : first item * [I] INT : last item * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_RedrawItems(HWND hwnd, INT nFirst, INT nLast) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); BOOL bResult = FALSE; RECT rc; if (nFirst <= nLast) { if ((nFirst >= 0) && (nFirst < GETITEMCOUNT(infoPtr))) { if ((nLast >= 0) && (nLast < GETITEMCOUNT(infoPtr))) { /* bResult = */ InvalidateRect(hwnd, &rc, FALSE); } } } return bResult; } /* LISTVIEW_Scroll */ /*** * DESCRIPTION: * Sets the background color. * * PARAMETER(S): * [I] HWND : window handle * [I] COLORREF : background color * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_SetBkColor(HWND hwnd, COLORREF clrBk) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); infoPtr->clrBk = clrBk; InvalidateRect(hwnd, NULL, TRUE); return TRUE; } /* LISTVIEW_SetBkImage */ /*** * DESCRIPTION: * Sets the callback mask. This mask will be used when the parent * window stores state information (some or all). * * PARAMETER(S): * [I] HWND : window handle * [I] UINT : state mask * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_SetCallbackMask(HWND hwnd, UINT uMask) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); infoPtr->uCallbackMask = uMask; return TRUE; } /*** * DESCRIPTION: * Sets the attributes of a header item. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : column index * [I] LPLVCOLUMNA : column attributes * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_SetColumnA(HWND hwnd, INT nColumn, LPLVCOLUMNA lpColumn) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); BOOL bResult = FALSE; HDITEMA hdi, hdiget; if ((lpColumn != NULL) && (nColumn >= 0) && (nColumn < Header_GetItemCount(infoPtr->hwndHeader))) { /* initialize memory */ ZeroMemory(&hdi, sizeof(HDITEMA)); if (lpColumn->mask & LVCF_FMT) { /* format member is valid */ hdi.mask |= HDI_FORMAT; /* get current format first */ hdiget.mask = HDI_FORMAT; if (Header_GetItemA(infoPtr->hwndHeader, nColumn, &hdiget)) /* preserve HDF_STRING if present */ hdi.fmt = hdiget.fmt & HDF_STRING; /* set text alignment (leftmost column must be left-aligned) */ if (nColumn == 0) { hdi.fmt |= HDF_LEFT; } else { if (lpColumn->fmt & LVCFMT_LEFT) { hdi.fmt |= HDF_LEFT; } else if (lpColumn->fmt & LVCFMT_RIGHT) { hdi.fmt |= HDF_RIGHT; } else if (lpColumn->fmt & LVCFMT_CENTER) { hdi.fmt |= HDF_CENTER; } } if (lpColumn->fmt & LVCFMT_BITMAP_ON_RIGHT) { hdi.fmt |= HDF_BITMAP_ON_RIGHT; } if (lpColumn->fmt & LVCFMT_COL_HAS_IMAGES) { hdi.fmt |= HDF_IMAGE; } if (lpColumn->fmt & LVCFMT_IMAGE) { hdi.fmt |= HDF_IMAGE; hdi.iImage = I_IMAGECALLBACK; } } if (lpColumn->mask & LVCF_WIDTH) { hdi.mask |= HDI_WIDTH; hdi.cxy = lpColumn->cx; } if (lpColumn->mask & LVCF_TEXT) { hdi.mask |= HDI_TEXT | HDI_FORMAT; hdi.pszText = lpColumn->pszText; hdi.cchTextMax = lstrlenA(lpColumn->pszText); hdi.fmt |= HDF_STRING; } if (lpColumn->mask & LVCF_IMAGE) { hdi.mask |= HDI_IMAGE; hdi.iImage = lpColumn->iImage; } if (lpColumn->mask & LVCF_ORDER) { hdi.mask |= HDI_ORDER; hdi.iOrder = lpColumn->iOrder; } /* set header item attributes */ bResult = Header_SetItemA(infoPtr->hwndHeader, nColumn, &hdi); } return bResult; } /* LISTVIEW_SetColumnW */ /*** * DESCRIPTION: * Sets the column order array * * PARAMETERS: * [I] HWND : window handle * [I] INT : number of elements in column order array * [I] INT : pointer to column order array * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_SetColumnOrderArray(HWND hwnd, INT iCount, LPINT lpiArray) { /* LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); */ FIXME("iCount %d lpiArray %p\n", iCount, lpiArray); if (!lpiArray) return FALSE; return TRUE; } /*** * DESCRIPTION: * Sets the width of a column * * PARAMETERS: * [I] HWND : window handle * [I] INT : column index * [I] INT : column width * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_SetColumnWidth(HWND hwnd, INT iCol, INT cx) { LISTVIEW_INFO *infoPtr; HDITEMA hdi; LRESULT lret; LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = lStyle & LVS_TYPEMASK; HDC hdc; HFONT header_font; HFONT old_font; SIZE size; CHAR text_buffer[DISP_TEXT_SIZE]; INT header_item_count; INT item_index; RECT rcHeader; /* make sure we can get the listview info */ if (!(infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0))) return (FALSE); if (!infoPtr->hwndHeader) /* make sure we have a header */ return (FALSE); /* set column width only if in report or list mode */ if ((uView != LVS_REPORT) && (uView != LVS_LIST)) return (FALSE); /* take care of invalid cx values */ if((uView == LVS_REPORT) && (cx < -2)) cx = LVSCW_AUTOSIZE; else if (uView == LVS_LIST && (cx < 1)) return FALSE; /* resize all columns if in LVS_LIST mode */ if(uView == LVS_LIST) { infoPtr->nItemWidth = cx; InvalidateRect(hwnd, NULL, TRUE); /* force redraw of the listview */ return TRUE; } /* autosize based on listview items width */ if(cx == LVSCW_AUTOSIZE) { /* set the width of the header to the width of the widest item */ for(item_index = 0; item_index < GETITEMCOUNT(infoPtr); item_index++) { if(cx < LISTVIEW_GetLabelWidth(hwnd, item_index)) cx = LISTVIEW_GetLabelWidth(hwnd, item_index); } } /* autosize based on listview header width */ else if(cx == LVSCW_AUTOSIZE_USEHEADER) { header_item_count = Header_GetItemCount(infoPtr->hwndHeader); /* if iCol is the last column make it fill the remainder of the controls width */ if(iCol == (header_item_count - 1)) { /* get the width of every item except the current one */ hdi.mask = HDI_WIDTH; cx = 0; for(item_index = 0; item_index < (header_item_count - 1); item_index++) { Header_GetItemA(infoPtr->hwndHeader, item_index, (LPARAM)(&hdi)); cx+=hdi.cxy; } /* retrieve the layout of the header */ GetWindowRect(infoPtr->hwndHeader, &rcHeader); cx = (rcHeader.right - rcHeader.left) - cx; } else { /* retrieve header font */ header_font = SendMessageA(infoPtr->hwndHeader, WM_GETFONT, 0L, 0L); /* retrieve header text */ hdi.mask = HDI_TEXT; hdi.cchTextMax = sizeof(text_buffer); hdi.pszText = text_buffer; Header_GetItemA(infoPtr->hwndHeader, iCol, (LPARAM)(&hdi)); /* determine the width of the text in the header */ hdc = GetDC(hwnd); old_font = SelectObject(hdc, header_font); /* select the font into hdc */ GetTextExtentPoint32A(hdc, text_buffer, strlen(text_buffer), &size); SelectObject(hdc, old_font); /* restore the old font */ ReleaseDC(hwnd, hdc); /* set the width of this column to the width of the text */ cx = size.cx; } } /* call header to update the column change */ hdi.mask = HDI_WIDTH; hdi.cxy = cx; lret = Header_SetItemA(infoPtr->hwndHeader, (WPARAM)iCol, (LPARAM)&hdi); InvalidateRect(hwnd, NULL, TRUE); /* force redraw of the listview */ return lret; } /*** * DESCRIPTION: * Sets the extended listview style. * * PARAMETERS: * [I] HWND : window handle * [I] DWORD : mask * [I] DWORD : style * * RETURN: * SUCCESS : previous style * FAILURE : 0 */ static LRESULT LISTVIEW_SetExtendedListViewStyle(HWND hwnd, DWORD dwMask, DWORD dwStyle) { LISTVIEW_INFO *infoPtr; DWORD dwOldStyle; /* make sure we can get the listview info */ if (!(infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0))) return (0); /* store previous style */ dwOldStyle = infoPtr->dwExStyle; /* set new style */ if (dwMask) infoPtr->dwExStyle = (dwOldStyle & ~dwMask) | (dwStyle & dwMask); else infoPtr->dwExStyle = dwStyle; return (dwOldStyle); } /* LISTVIEW_SetHotCursor */ /*** * DESCRIPTION: * Sets the hot item index. * * PARAMETERS: * [I] HWND : window handle * [I] INT : index * * RETURN: * SUCCESS : previous hot item index * FAILURE : -1 (no hot item) */ static LRESULT LISTVIEW_SetHotItem(HWND hwnd, INT iIndex) { LISTVIEW_INFO *infoPtr; INT iOldIndex; /* make sure we can get the listview info */ if (!(infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0))) return (-1); /* store previous index */ iOldIndex = infoPtr->nHotItem; /* set new style */ infoPtr->nHotItem = iIndex; return (iOldIndex); } /*** * DESCRIPTION: * Sets the amount of time the cursor must hover over an item before it is selected. * * PARAMETER(S): * [I] HWND : window handle * [I] DWORD : dwHoverTime, if -1 the hover time is set to the default * * RETURN: * Returns the previous hover time */ static LRESULT LISTVIEW_SetHoverTime(HWND hwnd, DWORD dwHoverTime) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); DWORD oldHoverTime = infoPtr->dwHoverTime; infoPtr->dwHoverTime = dwHoverTime; return oldHoverTime; } /* LISTVIEW_SetIconSpacing */ /*** * DESCRIPTION: * Sets image lists. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : image list type * [I] HIMAGELIST : image list handle * * RETURN: * SUCCESS : old image list * FAILURE : NULL */ static LRESULT LISTVIEW_SetImageList(HWND hwnd, INT nType, HIMAGELIST himl) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); HIMAGELIST himlOld = 0; switch (nType) { case LVSIL_NORMAL: himlOld = infoPtr->himlNormal; infoPtr->himlNormal = himl; break; case LVSIL_SMALL: himlOld = infoPtr->himlSmall; infoPtr->himlSmall = himl; break; case LVSIL_STATE: himlOld = infoPtr->himlState; infoPtr->himlState = himl; ImageList_SetBkColor(infoPtr->himlState, CLR_NONE); break; } infoPtr->nItemHeight = LISTVIEW_GetItemHeight(hwnd); return (LRESULT)himlOld; } /*** * DESCRIPTION: * Sets the attributes of an item. * * PARAMETER(S): * [I] HWND : window handle * [I] LPLVITEM : item information * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_SetItemA(HWND hwnd, LPLVITEMA lpLVItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); BOOL bResult = FALSE; if (lpLVItem != NULL) { if ((lpLVItem->iItem >= 0) && (lpLVItem->iItem < GETITEMCOUNT(infoPtr))) { if (lpLVItem->iSubItem == 0) { bResult = LISTVIEW_SetItem(hwnd, lpLVItem); } else { bResult = LISTVIEW_SetSubItem(hwnd, lpLVItem); } } } return bResult; } /* LISTVIEW_SetItemW */ /*** * DESCRIPTION: * Preallocates memory. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item count (projected number of items) * [I] DWORD : update flags * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_SetItemCount(HWND hwnd, INT nItems, DWORD dwFlags) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO*)GetWindowLongA(hwnd, 0); FIXME("(%d %08lx)stub!\n", nItems, dwFlags); if (GetWindowLongA(hwnd, GWL_STYLE) & LVS_OWNERDATA) { int precount,topvisible; TRACE("LVS_OWNERDATA is set!\n"); /* * Internally remove all the selections. */ do { LISTVIEW_SELECTION *selection; selection = DPA_GetPtr(infoPtr->hdpaSelectionRanges,0); if (selection) LISTVIEW_RemoveSelectionRange(hwnd,selection->lower, selection->upper); } while (infoPtr->hdpaSelectionRanges->nItemCount>0); precount = infoPtr->hdpaItems->nItemCount; topvisible = ListView_GetTopIndex(hwnd) + LISTVIEW_GetCountPerColumn(hwnd) + 1; infoPtr->hdpaItems->nItemCount = nItems; LISTVIEW_UpdateSize(hwnd); LISTVIEW_UpdateScroll(hwnd); if (min(precount,infoPtr->hdpaItems->nItemCount) GETITEMCOUNT(infoPtr)) { /* append items */ FIXME("append items\n"); } else if (nItems < GETITEMCOUNT(infoPtr)) { /* remove items */ while(nItems < GETITEMCOUNT(infoPtr)) { LISTVIEW_DeleteItem(hwnd, GETITEMCOUNT(infoPtr) - 1); } } } return TRUE; } /*** * DESCRIPTION: * Sets the position of an item. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * [I] LONG : x coordinate * [I] LONG : y coordinate * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_SetItemPosition(HWND hwnd, INT nItem, LONG nPosX, LONG nPosY) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO*)GetWindowLongA(hwnd, 0); UINT lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = lStyle & LVS_TYPEMASK; LISTVIEW_ITEM *lpItem; HDPA hdpaSubItems; BOOL bResult = FALSE; TRACE("(hwnd=%x,nItem=%d,X=%ld,Y=%ld)\n", hwnd, nItem, nPosX, nPosY); if (lStyle & LVS_OWNERDATA) return FALSE; if ((nItem >= 0) || (nItem < GETITEMCOUNT(infoPtr))) { if ((uView == LVS_ICON) || (uView == LVS_SMALLICON)) { hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, nItem); if (hdpaSubItems != NULL) { lpItem = (LISTVIEW_ITEM *)DPA_GetPtr(hdpaSubItems, 0); if (lpItem != NULL) { bResult = TRUE; lpItem->ptPosition.x = nPosX; lpItem->ptPosition.y = nPosY; } } } } return bResult; } /*** * DESCRIPTION: * Sets the state of one or many items. * * PARAMETER(S): * [I] HWND : window handle * [I]INT : item index * [I] LPLVITEM : item or subitem info * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_SetItemState(HWND hwnd, INT nItem, LPLVITEMA lpLVItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); BOOL bResult = FALSE; LVITEMA lvItem; INT i; if (nItem == -1) { bResult = TRUE; ZeroMemory(&lvItem, sizeof(LVITEMA)); lvItem.mask = LVIF_STATE; lvItem.state = lpLVItem->state; lvItem.stateMask = lpLVItem->stateMask ; /* apply to all items */ for (i = 0; i< GETITEMCOUNT(infoPtr); i++) { lvItem.iItem = i; if (ListView_SetItemA(hwnd, &lvItem) == FALSE) { bResult = FALSE; } } } else { ZeroMemory(&lvItem, sizeof(LVITEMA)); lvItem.mask = LVIF_STATE; lvItem.state = lpLVItem->state; lvItem.stateMask = lpLVItem->stateMask; lvItem.iItem = nItem; bResult = ListView_SetItemA(hwnd, &lvItem); } return bResult; } /*** * DESCRIPTION: * Sets the text of an item or subitem. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * [I] LPLVITEMA : item or subitem info * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static BOOL LISTVIEW_SetItemTextA(HWND hwnd, INT nItem, LPLVITEMA lpLVItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); BOOL bResult = FALSE; LVITEMA lvItem; if ((nItem >= 0) && (nItem < GETITEMCOUNT(infoPtr))) { ZeroMemory(&lvItem, sizeof(LVITEMA)); lvItem.mask = LVIF_TEXT; lvItem.pszText = lpLVItem->pszText; lvItem.iItem = nItem; lvItem.iSubItem = lpLVItem->iSubItem; bResult = ListView_SetItemA(hwnd, &lvItem); } return bResult; } /* LISTVIEW_SetItemTextW */ /*** * DESCRIPTION: * Set item index that marks the start of a multiple selection. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : index * * RETURN: * Index number or -1 if there is no selection mark. */ static LRESULT LISTVIEW_SetSelectionMark(HWND hwnd, INT nIndex) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); INT nOldIndex = infoPtr->nSelectionMark; infoPtr->nSelectionMark = nIndex; return nOldIndex; } /*** * DESCRIPTION: * Sets the text background color. * * PARAMETER(S): * [I] HWND : window handle * [I] COLORREF : text background color * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_SetTextBkColor(HWND hwnd, COLORREF clrTextBk) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); infoPtr->clrTextBk = clrTextBk; InvalidateRect(hwnd, NULL, TRUE); return TRUE; } /*** * DESCRIPTION: * Sets the text foreground color. * * PARAMETER(S): * [I] HWND : window handle * [I] COLORREF : text color * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_SetTextColor (HWND hwnd, COLORREF clrText) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); infoPtr->clrText = clrText; InvalidateRect(hwnd, NULL, TRUE); return TRUE; } /* LISTVIEW_SetToolTips */ /* LISTVIEW_SetUnicodeFormat */ /* LISTVIEW_SetWorkAreas */ /*** * DESCRIPTION: * Callback internally used by LISTVIEW_SortItems() * * PARAMETER(S): * [I] LPVOID : first LISTVIEW_ITEM to compare * [I] LPVOID : second LISTVIEW_ITEM to compare * [I] LPARAM : HWND of control * * RETURN: * if first comes before second : negative * if first comes after second : positive * if first and second are equivalent : zero */ static INT WINAPI LISTVIEW_CallBackCompare( LPVOID first, LPVOID second, LPARAM lParam) { /* Forward the call to the client defined callback */ INT rv; HWND hwnd = (HWND)lParam; LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); HDPA hdpa_first = (HDPA) first; HDPA hdpa_second = (HDPA) second; LISTVIEW_ITEM* lv_first = (LISTVIEW_ITEM*) DPA_GetPtr( hdpa_first, 0 ); LISTVIEW_ITEM* lv_second = (LISTVIEW_ITEM*) DPA_GetPtr( hdpa_second, 0 ); rv = (infoPtr->pfnCompare)( lv_first->lParam , lv_second->lParam, infoPtr->lParamSort ); return rv; } /*** * DESCRIPTION: * Sorts the listview items. * * PARAMETER(S): * [I] HWND : window handle * [I] WPARAM : application-defined value * [I] LPARAM : pointer to comparision callback * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_SortItems(HWND hwnd, WPARAM wParam, LPARAM lParam) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); int nCount; UINT lStyle = GetWindowLongA(hwnd, GWL_STYLE); if (lStyle & LVS_OWNERDATA) return FALSE; if (!infoPtr || !infoPtr->hdpaItems) return FALSE; nCount = GETITEMCOUNT(infoPtr); /* if there are 0 or 1 items, there is no need to sort */ if (nCount > 1) { infoPtr->pfnCompare = (PFNLVCOMPARE)lParam; infoPtr->lParamSort = (LPARAM)wParam; DPA_Sort(infoPtr->hdpaItems, LISTVIEW_CallBackCompare, hwnd); } /* align the items */ LISTVIEW_AlignTop(hwnd); /* refresh the display */ InvalidateRect(hwnd, NULL, TRUE); return TRUE; } /* LISTVIEW_SubItemHitTest */ /*** * DESCRIPTION: * Updates an items or rearranges the listview control. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : item index * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_Update(HWND hwnd, INT nItem) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); BOOL bResult = FALSE; RECT rc; if ((nItem >= 0) && (nItem < GETITEMCOUNT(infoPtr))) { bResult = TRUE; /* rearrange with default alignment style */ if ((lStyle & LVS_AUTOARRANGE) && (((lStyle & LVS_TYPEMASK) == LVS_ICON) || ((lStyle & LVS_TYPEMASK) == LVS_SMALLICON))) { ListView_Arrange(hwnd, 0); } else { /* get item bounding rectangle */ rc.left = LVIR_BOUNDS; ListView_GetItemRect(hwnd, nItem, &rc); InvalidateRect(hwnd, &rc, TRUE); } } return bResult; } /*** * DESCRIPTION: * Creates the listview control. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Zero */ static LRESULT LISTVIEW_Create(HWND hwnd, WPARAM wParam, LPARAM lParam) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LPCREATESTRUCTA lpcs = (LPCREATESTRUCTA)lParam; UINT uView = lpcs->style & LVS_TYPEMASK; LOGFONTA logFont; /* initialize info pointer */ ZeroMemory(infoPtr, sizeof(LISTVIEW_INFO)); /* determine the type of structures to use */ infoPtr->notifyFormat = SendMessageA(GetParent(hwnd), WM_NOTIFYFORMAT, (WPARAM)hwnd, (LPARAM)NF_QUERY); if (infoPtr->notifyFormat != NFR_ANSI) { FIXME("ANSI notify format is NOT used\n"); } /* initialize color information */ infoPtr->clrBk = GetSysColor(COLOR_WINDOW); infoPtr->clrText = GetSysColor(COLOR_WINDOWTEXT); infoPtr->clrTextBk = CLR_DEFAULT; /* set default values */ infoPtr->uCallbackMask = 0; infoPtr->nFocusedItem = -1; infoPtr->nSelectionMark = -1; infoPtr->nHotItem = -1; infoPtr->iconSpacing.cx = GetSystemMetrics(SM_CXICONSPACING); infoPtr->iconSpacing.cy = GetSystemMetrics(SM_CYICONSPACING); ZeroMemory(&infoPtr->rcList, sizeof(RECT)); infoPtr->hwndEdit = 0; infoPtr->pedititem = NULL; infoPtr->nEditLabelItem = -1; /* get default font (icon title) */ SystemParametersInfoA(SPI_GETICONTITLELOGFONT, 0, &logFont, 0); infoPtr->hDefaultFont = CreateFontIndirectA(&logFont); infoPtr->hFont = infoPtr->hDefaultFont; /* create header */ infoPtr->hwndHeader = CreateWindowA(WC_HEADERA, (LPCSTR)NULL, WS_CHILD | HDS_HORZ | HDS_BUTTONS, 0, 0, 0, 0, hwnd, (HMENU)0, lpcs->hInstance, NULL); /* set header font */ SendMessageA(infoPtr->hwndHeader, WM_SETFONT, (WPARAM)infoPtr->hFont, (LPARAM)TRUE); if (uView == LVS_ICON) { infoPtr->iconSize.cx = GetSystemMetrics(SM_CXICON); infoPtr->iconSize.cy = GetSystemMetrics(SM_CYICON); } else if (uView == LVS_REPORT) { if (!(LVS_NOCOLUMNHEADER & lpcs->style)) { ShowWindow(infoPtr->hwndHeader, SW_SHOWNORMAL); } else { /* set HDS_HIDDEN flag to hide the header bar */ SetWindowLongA(infoPtr->hwndHeader, GWL_STYLE, GetWindowLongA(infoPtr->hwndHeader, GWL_STYLE) | HDS_HIDDEN); } infoPtr->iconSize.cx = GetSystemMetrics(SM_CXSMICON); infoPtr->iconSize.cy = GetSystemMetrics(SM_CYSMICON); } else { infoPtr->iconSize.cx = GetSystemMetrics(SM_CXSMICON); infoPtr->iconSize.cy = GetSystemMetrics(SM_CYSMICON); } /* display unsupported listview window styles */ LISTVIEW_UnsupportedStyles(lpcs->style); /* allocate memory for the data structure */ infoPtr->hdpaItems = DPA_Create(10); /* allocate memory for the selection ranges */ infoPtr->hdpaSelectionRanges = DPA_Create(10); /* initialize size of items */ infoPtr->nItemWidth = LISTVIEW_GetItemWidth(hwnd); infoPtr->nItemHeight = LISTVIEW_GetItemHeight(hwnd); /* initialize the hover time to -1(indicating the default system hover time) */ infoPtr->dwHoverTime = -1; return 0; } /*** * DESCRIPTION: * Erases the background of the listview control. * * PARAMETER(S): * [I] HWND : window handle * [I] WPARAM : device context handle * [I] LPARAM : not used * * RETURN: * SUCCESS : TRUE * FAILURE : FALSE */ static LRESULT LISTVIEW_EraseBackground(HWND hwnd, WPARAM wParam, LPARAM lParam) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); BOOL bResult; if (infoPtr->clrBk == CLR_NONE) { bResult = SendMessageA(GetParent(hwnd), WM_ERASEBKGND, wParam, lParam); } else { RECT rc; HBRUSH hBrush = CreateSolidBrush(infoPtr->clrBk); GetClientRect(hwnd, &rc); FillRect((HDC)wParam, &rc, hBrush); DeleteObject(hBrush); bResult = TRUE; } return bResult; } static void LISTVIEW_FillBackground(HWND hwnd, HDC hdc, LPRECT rc) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); if (infoPtr->clrBk != CLR_NONE) { HBRUSH hBrush = CreateSolidBrush(infoPtr->clrBk); FillRect(hdc, rc, hBrush); DeleteObject(hBrush); } } /*** * DESCRIPTION: * Retrieves the listview control font. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Font handle. */ static LRESULT LISTVIEW_GetFont(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); return infoPtr->hFont; } /*** * DESCRIPTION: * Performs vertical scrolling. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : scroll code * [I] SHORT : current scroll position if scroll code is SB_THIMBPOSITION * or SB_THUMBTRACK. * [I] HWND : scrollbar control window handle * * RETURN: * Zero */ static LRESULT LISTVIEW_VScroll(HWND hwnd, INT nScrollCode, SHORT nCurrentPos, HWND hScrollWnd) { SCROLLINFO scrollInfo; LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); SendMessageA(infoPtr->hwndEdit, WM_KILLFOCUS, 0, 0); ZeroMemory(&scrollInfo, sizeof(SCROLLINFO)); scrollInfo.cbSize = sizeof(SCROLLINFO); scrollInfo.fMask = SIF_PAGE | SIF_POS | SIF_RANGE; if (GetScrollInfo(hwnd, SB_VERT, &scrollInfo) != FALSE) { INT nOldScrollPos = scrollInfo.nPos; switch (nScrollCode) { case SB_LINEUP: if (scrollInfo.nPos > scrollInfo.nMin) { scrollInfo.nPos--; } break; case SB_LINEDOWN: if (scrollInfo.nPos < scrollInfo.nMax) { scrollInfo.nPos++; } break; case SB_PAGEUP: if (scrollInfo.nPos > scrollInfo.nMin) { if (scrollInfo.nPos >= scrollInfo.nPage) { scrollInfo.nPos -= scrollInfo.nPage; } else { scrollInfo.nPos = scrollInfo.nMin; } } break; case SB_PAGEDOWN: if (scrollInfo.nPos < scrollInfo.nMax) { if (scrollInfo.nPos <= scrollInfo.nMax - scrollInfo.nPage) { scrollInfo.nPos += scrollInfo.nPage; } else { scrollInfo.nPos = scrollInfo.nMax; } } break; case SB_THUMBTRACK: scrollInfo.nPos = nCurrentPos; if (scrollInfo.nPos > scrollInfo.nMax) scrollInfo.nPos=scrollInfo.nMax; if (scrollInfo.nPos < scrollInfo.nMin) scrollInfo.nPos=scrollInfo.nMin; break; } if (nOldScrollPos != scrollInfo.nPos) { scrollInfo.fMask = SIF_POS; SetScrollInfo(hwnd, SB_VERT, &scrollInfo, TRUE); InvalidateRect(hwnd, NULL, TRUE); } } return 0; } /*** * DESCRIPTION: * Performs horizontal scrolling. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : scroll code * [I] SHORT : current scroll position if scroll code is SB_THUMBPOSITION * or SB_THUMBTRACK. * [I] HWND : scrollbar control window handle * * RETURN: * Zero */ static LRESULT LISTVIEW_HScroll(HWND hwnd, INT nScrollCode, SHORT nCurrentPos, HWND hScrollWnd) { SCROLLINFO scrollInfo; LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); SendMessageA(infoPtr->hwndEdit, WM_KILLFOCUS, 0, 0); ZeroMemory(&scrollInfo, sizeof(SCROLLINFO)); scrollInfo.cbSize = sizeof(SCROLLINFO); scrollInfo.fMask = SIF_PAGE | SIF_POS | SIF_RANGE; if (GetScrollInfo(hwnd, SB_HORZ, &scrollInfo) != FALSE) { INT nOldScrollPos = scrollInfo.nPos; switch (nScrollCode) { case SB_LINELEFT: if (scrollInfo.nPos > scrollInfo.nMin) { scrollInfo.nPos--; } break; case SB_LINERIGHT: if (scrollInfo.nPos < scrollInfo.nMax) { scrollInfo.nPos++; } break; case SB_PAGELEFT: if (scrollInfo.nPos > scrollInfo.nMin) { if (scrollInfo.nPos >= scrollInfo.nPage) { scrollInfo.nPos -= scrollInfo.nPage; } else { scrollInfo.nPos = scrollInfo.nMin; } } break; case SB_PAGERIGHT: if (scrollInfo.nPos < scrollInfo.nMax) { if (scrollInfo.nPos <= scrollInfo.nMax - scrollInfo.nPage) { scrollInfo.nPos += scrollInfo.nPage; } else { scrollInfo.nPos = scrollInfo.nMax; } } break; case SB_THUMBTRACK: scrollInfo.nPos = nCurrentPos; if (scrollInfo.nPos > scrollInfo.nMax) scrollInfo.nPos=scrollInfo.nMax; if (scrollInfo.nPos < scrollInfo.nMin) scrollInfo.nPos=scrollInfo.nMin; break; } if (nOldScrollPos != scrollInfo.nPos) { UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; scrollInfo.fMask = SIF_POS; SetScrollInfo(hwnd, SB_HORZ, &scrollInfo, TRUE); if(uView == LVS_REPORT) { scrollInfo.fMask = SIF_POS; GetScrollInfo(hwnd, SB_HORZ, &scrollInfo); LISTVIEW_UpdateHeaderSize(hwnd, scrollInfo.nPos); } InvalidateRect(hwnd, NULL, TRUE); } } return 0; } static LRESULT LISTVIEW_MouseWheel(HWND hwnd, INT wheelDelta) { INT gcWheelDelta = 0; UINT pulScrollLines = 3; SCROLLINFO scrollInfo; UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0); gcWheelDelta -= wheelDelta; ZeroMemory(&scrollInfo, sizeof(SCROLLINFO)); scrollInfo.cbSize = sizeof(SCROLLINFO); scrollInfo.fMask = SIF_POS | SIF_RANGE; switch(uView) { case LVS_ICON: case LVS_SMALLICON: /* * listview should be scrolled by a multiple of 37 dependently on its dimension or its visible item number * should be fixed in the future. */ if (GetScrollInfo(hwnd, SB_VERT, &scrollInfo) != FALSE) LISTVIEW_VScroll(hwnd, SB_THUMBPOSITION, scrollInfo.nPos + (gcWheelDelta < 0) ? 37 : -37, 0); break; case LVS_REPORT: if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines) { if (GetScrollInfo(hwnd, SB_VERT, &scrollInfo) != FALSE) { int cLineScroll = min(LISTVIEW_GetCountPerColumn(hwnd), pulScrollLines); cLineScroll *= (gcWheelDelta / WHEEL_DELTA); LISTVIEW_VScroll(hwnd, SB_THUMBPOSITION, scrollInfo.nPos + cLineScroll, 0); } } break; case LVS_LIST: LISTVIEW_HScroll(hwnd, (gcWheelDelta < 0) ? SB_LINELEFT : SB_LINERIGHT, 0, 0); break; } return 0; } /*** * DESCRIPTION: * ??? * * PARAMETER(S): * [I] HWND : window handle * [I] INT : virtual key * [I] LONG : key data * * RETURN: * Zero */ static LRESULT LISTVIEW_KeyDown(HWND hwnd, INT nVirtualKey, LONG lKeyData) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); INT nCtrlId = GetWindowLongA(hwnd, GWL_ID); HWND hwndParent = GetParent(hwnd); NMLVKEYDOWN nmKeyDown; NMHDR nmh; INT nItem = -1; BOOL bRedraw = FALSE; /* send LVN_KEYDOWN notification */ ZeroMemory(&nmKeyDown, sizeof(NMLVKEYDOWN)); nmKeyDown.hdr.hwndFrom = hwnd; nmKeyDown.hdr.idFrom = nCtrlId; nmKeyDown.hdr.code = LVN_KEYDOWN; nmKeyDown.wVKey = nVirtualKey; nmKeyDown.flags = 0; SendMessageA(hwndParent, WM_NOTIFY, (WPARAM)nCtrlId, (LPARAM)&nmKeyDown); /* initialize */ nmh.hwndFrom = hwnd; nmh.idFrom = nCtrlId; switch (nVirtualKey) { case VK_RETURN: if ((GETITEMCOUNT(infoPtr) > 0) && (infoPtr->nFocusedItem != -1)) { /* send NM_RETURN notification */ nmh.code = NM_RETURN; ListView_Notify(hwndParent, nCtrlId, &nmh); /* send LVN_ITEMACTIVATE notification */ nmh.code = LVN_ITEMACTIVATE; ListView_Notify(hwndParent, nCtrlId, &nmh); } break; case VK_HOME: if (GETITEMCOUNT(infoPtr) > 0) { nItem = 0; } break; case VK_END: if (GETITEMCOUNT(infoPtr) > 0) { nItem = GETITEMCOUNT(infoPtr) - 1; } break; case VK_LEFT: nItem = ListView_GetNextItem(hwnd, infoPtr->nFocusedItem, LVNI_TOLEFT); break; case VK_UP: nItem = ListView_GetNextItem(hwnd, infoPtr->nFocusedItem, LVNI_ABOVE); break; case VK_RIGHT: nItem = ListView_GetNextItem(hwnd, infoPtr->nFocusedItem, LVNI_TORIGHT); break; case VK_DOWN: nItem = ListView_GetNextItem(hwnd, infoPtr->nFocusedItem, LVNI_BELOW); break; case VK_PRIOR: /* TO DO */ break; case VK_NEXT: /* TO DO */ break; } if ((nItem != -1) && (nItem != infoPtr->nFocusedItem)) { bRedraw = LISTVIEW_KeySelection(hwnd, nItem); if (bRedraw != FALSE) { /* refresh client area */ UpdateWindow(hwnd); } } return 0; } /*** * DESCRIPTION: * Kills the focus. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Zero */ static LRESULT LISTVIEW_KillFocus(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO*)GetWindowLongA(hwnd, 0); INT nCtrlId = GetWindowLongA(hwnd, GWL_ID); NMHDR nmh; INT i,nTop,nBottom; RECT rcItem; LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = lStyle & LVS_TYPEMASK; TRACE("(hwnd=%x)\n", hwnd); /* send NM_KILLFOCUS notification */ nmh.hwndFrom = hwnd; nmh.idFrom = nCtrlId; nmh.code = NM_KILLFOCUS; ListView_Notify(GetParent(hwnd), nCtrlId, &nmh); /* set window focus flag */ infoPtr->bFocus = FALSE; /* NEED drawing optimization ; redraw the selected items */ if (uView & LVS_REPORT) { nTop = LISTVIEW_GetTopIndex(hwnd); nBottom = nTop + LISTVIEW_GetCountPerColumn(hwnd) + 1; } else { nTop = 0; nBottom = GETITEMCOUNT(infoPtr); } for (i = nTop; ibFocus == FALSE) { SetFocus(hwnd); } /* set left button down flag */ infoPtr->bLButtonDown = TRUE; ptPosition.x = wPosX; ptPosition.y = wPosY; nItem = LISTVIEW_MouseSelection(hwnd, ptPosition); if ((nItem >= 0) && (nItem < GETITEMCOUNT(infoPtr))) { if (lStyle & LVS_SINGLESEL) { if ((ListView_GetItemState(hwnd, nItem, LVIS_SELECTED) & LVIS_SELECTED) && infoPtr->nEditLabelItem == -1) { infoPtr->nEditLabelItem = nItem; } else { LISTVIEW_SetSelection(hwnd, nItem); } } else { if ((wKey & MK_CONTROL) && (wKey & MK_SHIFT)) { if (bGroupSelect != FALSE) { LISTVIEW_AddGroupSelection(hwnd, nItem); } else { LISTVIEW_AddSelection(hwnd, nItem); } } else if (wKey & MK_CONTROL) { bGroupSelect = LISTVIEW_ToggleSelection(hwnd, nItem); } else if (wKey & MK_SHIFT) { LISTVIEW_SetGroupSelection(hwnd, nItem); } else { BOOL was_selected = (ListView_GetItemState(hwnd, nItem, LVIS_SELECTED) & LVIS_SELECTED); /* set selection (clears other pre-existing selections) */ LISTVIEW_SetSelection(hwnd, nItem); if (was_selected && infoPtr->nEditLabelItem == -1) { infoPtr->nEditLabelItem = nItem; } } } } else { /* remove all selections */ LISTVIEW_RemoveAllSelections(hwnd); } /* redraw if we could have possibly selected something */ if(!GETITEMCOUNT(infoPtr)) InvalidateRect(hwnd, NULL, TRUE); return 0; } /*** * DESCRIPTION: * Processes mouse up messages (left mouse button). * * PARAMETER(S): * [I] HWND : window handle * [I] WORD : key flag * [I] WORD : x coordinate * [I] WORD : y coordinate * * RETURN: * Zero */ static LRESULT LISTVIEW_LButtonUp(HWND hwnd, WORD wKey, WORD wPosX, WORD wPosY) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); TRACE("(hwnd=%x,key=%hu,X=%hu,Y=%hu)\n", hwnd, wKey, wPosX, wPosY); if (infoPtr->bLButtonDown != FALSE) { INT nCtrlId = GetWindowLongA(hwnd, GWL_ID); NMLISTVIEW nmlv; LVHITTESTINFO lvHitTestInfo; INT ret; lvHitTestInfo.pt.x = wPosX; lvHitTestInfo.pt.y = wPosY; /* send NM_CLICK notification */ ZeroMemory(&nmlv, sizeof(NMLISTVIEW)); nmlv.hdr.hwndFrom = hwnd; nmlv.hdr.idFrom = nCtrlId; nmlv.hdr.code = NM_CLICK; ret = LISTVIEW_HitTestItem(hwnd, &lvHitTestInfo, TRUE); if (ret != -1) { nmlv.iItem = lvHitTestInfo.iItem; nmlv.iSubItem = lvHitTestInfo.iSubItem; } else { nmlv.iItem = -1; nmlv.iSubItem = 0; } nmlv.ptAction.x = wPosX; nmlv.ptAction.y = wPosY; ListView_LVNotify(GetParent(hwnd), nCtrlId, &nmlv); /* set left button flag */ infoPtr->bLButtonDown = FALSE; if(infoPtr->nEditLabelItem != -1) { if(lvHitTestInfo.iItem == infoPtr->nEditLabelItem) { LISTVIEW_EditLabelA(hwnd, lvHitTestInfo.iItem); } infoPtr->nEditLabelItem = -1; } } return 0; } /*** * DESCRIPTION: * Creates the listview control (called before WM_CREATE). * * PARAMETER(S): * [I] HWND : window handle * [I] WPARAM : unhandled * [I] LPARAM : widow creation info * * RETURN: * Zero */ static LRESULT LISTVIEW_NCCreate(HWND hwnd, WPARAM wParam, LPARAM lParam) { LISTVIEW_INFO *infoPtr; TRACE("(hwnd=%x,wParam=%x,lParam=%lx)\n", hwnd, wParam, lParam); /* allocate memory for info structure */ infoPtr = (LISTVIEW_INFO *)COMCTL32_Alloc(sizeof(LISTVIEW_INFO)); SetWindowLongA(hwnd, 0, (LONG)infoPtr); if (infoPtr == NULL) { ERR("could not allocate info memory!\n"); return 0; } if ((LISTVIEW_INFO *)GetWindowLongA(hwnd, 0) != infoPtr) { ERR("pointer assignment error!\n"); return 0; } return DefWindowProcA(hwnd, WM_NCCREATE, wParam, lParam); } /*** * DESCRIPTION: * Destroys the listview control (called after WM_DESTROY). * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Zero */ static LRESULT LISTVIEW_NCDestroy(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); TRACE("(hwnd=%x)\n", hwnd); /* delete all items */ LISTVIEW_DeleteAllItems(hwnd); /* destroy data structure */ DPA_Destroy(infoPtr->hdpaItems); DPA_Destroy(infoPtr->hdpaSelectionRanges); /* destroy font */ infoPtr->hFont = (HFONT)0; if (infoPtr->hDefaultFont) { DeleteObject(infoPtr->hDefaultFont); } /* free listview info pointer*/ COMCTL32_Free(infoPtr); SetWindowLongA(hwnd, 0, 0); return 0; } /*** * DESCRIPTION: * Handles notifications from children. * * PARAMETER(S): * [I] HWND : window handle * [I] INT : control identifier * [I] LPNMHDR : notification information * * RETURN: * Zero */ static LRESULT LISTVIEW_Notify(HWND hwnd, INT nCtrlId, LPNMHDR lpnmh) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); if (lpnmh->hwndFrom == infoPtr->hwndHeader) { /* handle notification from header control */ if (lpnmh->code == HDN_ENDTRACKA) { infoPtr->nItemWidth = LISTVIEW_GetItemWidth(hwnd); InvalidateRect(hwnd, NULL, TRUE); } else if(lpnmh->code == HDN_ITEMCLICKA) { /* Handle sorting by Header Column */ NMLISTVIEW nmlv; LPNMHEADERA pnmHeader = (LPNMHEADERA) lpnmh; LONG lCtrlId = GetWindowLongA(hwnd, GWL_ID); ZeroMemory(&nmlv, sizeof(NMLISTVIEW)); nmlv.hdr.hwndFrom = hwnd; nmlv.hdr.idFrom = lCtrlId; nmlv.hdr.code = LVN_COLUMNCLICK; nmlv.iItem = -1; nmlv.iSubItem = pnmHeader->iItem; ListView_LVNotify(GetParent(hwnd),lCtrlId, &nmlv); } else if(lpnmh->code == NM_RELEASEDCAPTURE) { /* Idealy this should be done in HDN_ENDTRACKA * but since SetItemBounds in Header.c is called after * the notification is sent, it is neccessary to handle the * update of the scroll bar here (Header.c works fine as it is, * no need to disturb it) */ infoPtr->nItemWidth = LISTVIEW_GetItemWidth(hwnd); LISTVIEW_UpdateScroll(hwnd); InvalidateRect(hwnd, NULL, TRUE); } } return 0; } /*** * DESCRIPTION: * Determines the type of structure to use. * * PARAMETER(S): * [I] HWND : window handle of the sender * [I] HWND : listview window handle * [I] INT : command specifying the nature of the WM_NOTIFYFORMAT * * RETURN: * Zero */ static LRESULT LISTVIEW_NotifyFormat(HWND hwndFrom, HWND hwnd, INT nCommand) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); if (nCommand == NF_REQUERY) { /* determine the type of structure to use */ infoPtr->notifyFormat = SendMessageA(hwndFrom, WM_NOTIFYFORMAT, (WPARAM)hwnd, (LPARAM)NF_QUERY); if (infoPtr->notifyFormat == NFR_UNICODE) { FIXME("NO support for unicode structures"); } } return 0; } /*** * DESCRIPTION: * Paints/Repaints the listview control. * * PARAMETER(S): * [I] HWND : window handle * [I] HDC : device context handle * * RETURN: * Zero */ static LRESULT LISTVIEW_Paint(HWND hwnd, HDC hdc) { PAINTSTRUCT ps; TRACE("(hwnd=%x,hdc=%x)\n", hwnd, hdc); if (hdc == 0) { hdc = BeginPaint(hwnd, &ps); LISTVIEW_Refresh(hwnd, hdc); EndPaint(hwnd, &ps); } else { LISTVIEW_Refresh(hwnd, hdc); } return 0; } /*** * DESCRIPTION: * Processes double click messages (right mouse button). * * PARAMETER(S): * [I] HWND : window handle * [I] WORD : key flag * [I] WORD : x coordinate * [I] WORD : y coordinate * * RETURN: * Zero */ static LRESULT LISTVIEW_RButtonDblClk(HWND hwnd, WORD wKey, WORD wPosX, WORD wPosY) { INT nCtrlId = GetWindowLongA(hwnd, GWL_ID); NMHDR nmh; TRACE("(hwnd=%x,key=%hu,X=%hu,Y=%hu)\n", hwnd, wKey, wPosX, wPosY); /* send NM_RELEASEDCAPTURE notification */ nmh.hwndFrom = hwnd; nmh.idFrom = nCtrlId; nmh.code = NM_RELEASEDCAPTURE; ListView_Notify(GetParent(hwnd), nCtrlId, &nmh); /* send NM_RDBLCLK notification */ nmh.code = NM_RDBLCLK; ListView_Notify(GetParent(hwnd), nCtrlId, &nmh); return 0; } /*** * DESCRIPTION: * Processes mouse down messages (right mouse button). * * PARAMETER(S): * [I] HWND : window handle * [I] WORD : key flag * [I] WORD : x coordinate * [I] WORD : y coordinate * * RETURN: * Zero */ static LRESULT LISTVIEW_RButtonDown(HWND hwnd, WORD wKey, WORD wPosX, WORD wPosY) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); INT nCtrlId = GetWindowLongA(hwnd, GWL_ID); POINT ptPosition; NMHDR nmh; INT nItem; TRACE("(hwnd=%x,key=%hu,X=%hu,Y=%hu)\n", hwnd, wKey, wPosX, wPosY); /* send NM_RELEASEDCAPTURE notification */ nmh.hwndFrom = hwnd; nmh.idFrom = nCtrlId; nmh.code = NM_RELEASEDCAPTURE; ListView_Notify(GetParent(hwnd), nCtrlId, &nmh); /* make sure the listview control window has the focus */ if (infoPtr->bFocus == FALSE) { SetFocus(hwnd); } /* set right button down flag */ infoPtr->bRButtonDown = TRUE; /* determine the index of the selected item */ ptPosition.x = wPosX; ptPosition.y = wPosY; nItem = LISTVIEW_MouseSelection(hwnd, ptPosition); if ((nItem >= 0) && (nItem < GETITEMCOUNT(infoPtr))) { if (!((wKey & MK_SHIFT) || (wKey & MK_CONTROL))) { LISTVIEW_SetSelection(hwnd, nItem); } } else { LISTVIEW_RemoveAllSelections(hwnd); } return 0; } /*** * DESCRIPTION: * Processes mouse up messages (right mouse button). * * PARAMETER(S): * [I] HWND : window handle * [I] WORD : key flag * [I] WORD : x coordinate * [I] WORD : y coordinate * * RETURN: * Zero */ static LRESULT LISTVIEW_RButtonUp(HWND hwnd, WORD wKey, WORD wPosX, WORD wPosY) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); INT nCtrlId = GetWindowLongA(hwnd, GWL_ID); TRACE("(hwnd=%x,key=%hu,X=%hu,Y=%hu)\n", hwnd, wKey, wPosX, wPosY); if (infoPtr->bRButtonDown != FALSE) { NMLISTVIEW nmlv; LVHITTESTINFO lvHitTestInfo; POINT pt; INT ret; lvHitTestInfo.pt.x = wPosX; lvHitTestInfo.pt.y = wPosY; /* Send NM_RClICK notification */ ZeroMemory(&nmlv, sizeof(NMLISTVIEW)); nmlv.hdr.hwndFrom = hwnd; nmlv.hdr.idFrom = nCtrlId; nmlv.hdr.code = NM_RCLICK; ret = LISTVIEW_HitTestItem(hwnd, &lvHitTestInfo, TRUE); if (ret != -1) { nmlv.iItem = lvHitTestInfo.iItem; nmlv.iSubItem = lvHitTestInfo.iSubItem; } else { nmlv.iItem = -1; nmlv.iSubItem = 0; } nmlv.ptAction.x = wPosX; nmlv.ptAction.y = wPosY; ListView_LVNotify(GetParent(hwnd), nCtrlId, &nmlv); pt.x = wPosX; pt.y = wPosY; /* set button flag */ infoPtr->bRButtonDown = FALSE; /* Change to screen coordinate for WM_CONTEXTMENU */ ClientToScreen(hwnd, &pt); /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */ SendMessageA( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y)); } return 0; } /*** * DESCRIPTION: * Sets the focus. * * PARAMETER(S): * [I] HWND : window handle * [I] HWND : window handle of previously focused window * * RETURN: * Zero */ static LRESULT LISTVIEW_SetFocus(HWND hwnd, HWND hwndLoseFocus) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); INT nCtrlId = GetWindowLongA(hwnd, GWL_ID); NMHDR nmh; TRACE("(hwnd=%x, hwndLoseFocus=%x)\n", hwnd, hwndLoseFocus); /* send NM_SETFOCUS notification */ nmh.hwndFrom = hwnd; nmh.idFrom = nCtrlId; nmh.code = NM_SETFOCUS; ListView_Notify(GetParent(hwnd), nCtrlId, &nmh); /* set window focus flag */ infoPtr->bFocus = TRUE; UpdateWindow(hwnd); return 0; } /*** * DESCRIPTION: * Sets the font. * * PARAMETER(S): * [I] HWND : window handle * [I] HFONT : font handle * [I] WORD : redraw flag * * RETURN: * Zero */ static LRESULT LISTVIEW_SetFont(HWND hwnd, HFONT hFont, WORD fRedraw) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uView = GetWindowLongA(hwnd, GWL_STYLE) & LVS_TYPEMASK; TRACE("(hwnd=%x,hfont=%x,redraw=%hu)\n", hwnd, hFont, fRedraw); if (hFont == 0) { infoPtr->hFont = infoPtr->hDefaultFont; } else { infoPtr->hFont = hFont; } if (uView == LVS_REPORT) { /* set header font */ SendMessageA(infoPtr->hwndHeader, WM_SETFONT, (WPARAM)hFont, MAKELPARAM(fRedraw, 0)); } /* invalidate listview control client area */ InvalidateRect(hwnd, NULL, TRUE); if (fRedraw != FALSE) { UpdateWindow(hwnd); } return 0; } /*** * DESCRIPTION: * Message handling for WM_SETREDRAW. * For the Listview, it invalidates the entire window (the doc specifies otherwise) * * PARAMETER(S): * [I] HWND : window handle * [I] bRedraw: state of redraw flag * * RETURN: * DefWinProc return value */ static LRESULT LISTVIEW_SetRedraw(HWND hwnd, BOOL bRedraw) { LRESULT lResult; lResult = DefWindowProcA(hwnd, WM_SETREDRAW, bRedraw, 0); if(bRedraw) { RedrawWindow(hwnd, NULL, 0, RDW_INVALIDATE | RDW_FRAME | RDW_ERASE | RDW_ALLCHILDREN | RDW_ERASENOW); } return lResult; } /*** * DESCRIPTION: * Resizes the listview control. This function processes WM_SIZE * messages. At this time, the width and height are not used. * * PARAMETER(S): * [I] HWND : window handle * [I] WORD : new width * [I] WORD : new height * * RETURN: * Zero */ static LRESULT LISTVIEW_Size(HWND hwnd, int Width, int Height) { LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = lStyle & LVS_TYPEMASK; TRACE("(hwnd=%x, width=%d, height=%d)\n",hwnd, Width, Height); LISTVIEW_UpdateSize(hwnd); if ((uView == LVS_SMALLICON) || (uView == LVS_ICON)) { if (lStyle & LVS_ALIGNLEFT) { LISTVIEW_AlignLeft(hwnd); } else { LISTVIEW_AlignTop(hwnd); } } LISTVIEW_UpdateScroll(hwnd); /* invalidate client area + erase background */ InvalidateRect(hwnd, NULL, TRUE); return 0; } /*** * DESCRIPTION: * Sets the size information. * * PARAMETER(S): * [I] HWND : window handle * * RETURN: * Zero */ static VOID LISTVIEW_UpdateSize(HWND hwnd) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); LONG lStyle = GetWindowLongA(hwnd, GWL_STYLE); UINT uView = lStyle & LVS_TYPEMASK; RECT rcList; GetClientRect(hwnd, &rcList); infoPtr->rcList.left = 0; infoPtr->rcList.right = max(rcList.right - rcList.left, 1); infoPtr->rcList.top = 0; infoPtr->rcList.bottom = max(rcList.bottom - rcList.top, 1); if (uView == LVS_LIST) { if ((lStyle & WS_HSCROLL) == 0) { INT nHScrollHeight = GetSystemMetrics(SM_CYHSCROLL); if (infoPtr->rcList.bottom > nHScrollHeight) { infoPtr->rcList.bottom -= nHScrollHeight; } } } else if (uView == LVS_REPORT) { HDLAYOUT hl; WINDOWPOS wp; hl.prc = &rcList; hl.pwpos = ℘ Header_Layout(infoPtr->hwndHeader, &hl); SetWindowPos(wp.hwnd, wp.hwndInsertAfter, wp.x, wp.y, wp.cx, wp.cy, wp.flags); if (!(LVS_NOCOLUMNHEADER & lStyle)) { infoPtr->rcList.top = max(wp.cy, 0); } } } /*** * DESCRIPTION: * Processes WM_STYLECHANGED messages. * * PARAMETER(S): * [I] HWND : window handle * [I] WPARAM : window style type (normal or extended) * [I] LPSTYLESTRUCT : window style information * * RETURN: * Zero */ static INT LISTVIEW_StyleChanged(HWND hwnd, WPARAM wStyleType, LPSTYLESTRUCT lpss) { LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); UINT uNewView = lpss->styleNew & LVS_TYPEMASK; UINT uOldView = lpss->styleOld & LVS_TYPEMASK; RECT rcList = infoPtr->rcList; TRACE("(hwnd=%x, styletype=%x, stylestruct=%p)\n", hwnd, wStyleType, lpss); if (wStyleType == GWL_STYLE) { if (uOldView == LVS_REPORT) { ShowWindow(infoPtr->hwndHeader, SW_HIDE); } if ((lpss->styleOld & WS_HSCROLL) != 0) { ShowScrollBar(hwnd, SB_HORZ, FALSE); } if ((lpss->styleOld & WS_VSCROLL) != 0) { ShowScrollBar(hwnd, SB_VERT, FALSE); } if (uNewView == LVS_ICON) { infoPtr->iconSize.cx = GetSystemMetrics(SM_CXICON); infoPtr->iconSize.cy = GetSystemMetrics(SM_CYICON); infoPtr->nItemWidth = LISTVIEW_GetItemWidth(hwnd); infoPtr->nItemHeight = LISTVIEW_GetItemHeight(hwnd); if (lpss->styleNew & LVS_ALIGNLEFT) { LISTVIEW_AlignLeft(hwnd); } else { LISTVIEW_AlignTop(hwnd); } } else if (uNewView == LVS_REPORT) { HDLAYOUT hl; WINDOWPOS wp; hl.prc = &rcList; hl.pwpos = ℘ Header_Layout(infoPtr->hwndHeader, &hl); SetWindowPos(infoPtr->hwndHeader, hwnd, wp.x, wp.y, wp.cx, wp.cy, wp.flags); if (!(LVS_NOCOLUMNHEADER & lpss->styleNew)) ShowWindow(infoPtr->hwndHeader, SW_SHOWNORMAL); infoPtr->iconSize.cx = GetSystemMetrics(SM_CXSMICON); infoPtr->iconSize.cy = GetSystemMetrics(SM_CYSMICON); infoPtr->nItemWidth = LISTVIEW_GetItemWidth(hwnd); infoPtr->nItemHeight = LISTVIEW_GetItemHeight(hwnd); } else if (uNewView == LVS_LIST) { infoPtr->iconSize.cx = GetSystemMetrics(SM_CXSMICON); infoPtr->iconSize.cy = GetSystemMetrics(SM_CYSMICON); infoPtr->nItemWidth = LISTVIEW_GetItemWidth(hwnd); infoPtr->nItemHeight = LISTVIEW_GetItemHeight(hwnd); } else { infoPtr->iconSize.cx = GetSystemMetrics(SM_CXSMICON); infoPtr->iconSize.cy = GetSystemMetrics(SM_CYSMICON); infoPtr->nItemWidth = LISTVIEW_GetItemWidth(hwnd); infoPtr->nItemHeight = LISTVIEW_GetItemHeight(hwnd); if (lpss->styleNew & LVS_ALIGNLEFT) { LISTVIEW_AlignLeft(hwnd); } else { LISTVIEW_AlignTop(hwnd); } } /* update the size of the client area */ LISTVIEW_UpdateSize(hwnd); /* add scrollbars if needed */ LISTVIEW_UpdateScroll(hwnd); /* invalidate client area + erase background */ InvalidateRect(hwnd, NULL, TRUE); /* print the list of unsupported window styles */ LISTVIEW_UnsupportedStyles(lpss->styleNew); } /* If they change the view and we have an active edit control we will need to kill the control since the redraw will misplace the edit control. */ if (infoPtr->hwndEdit && ((uNewView & (LVS_ICON|LVS_LIST|LVS_SMALLICON)) != ((LVS_ICON|LVS_LIST|LVS_SMALLICON) & uOldView))) { SendMessageA(infoPtr->hwndEdit, WM_KILLFOCUS, 0, 0); } return 0; } /*** * DESCRIPTION: * Window procedure of the listview control. * */ static LRESULT WINAPI LISTVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { TRACE("hwnd=%x uMsg=%x wParam=%x lParam=%lx\n", hwnd, uMsg, wParam, lParam); if (!GetWindowLongA(hwnd, 0) && (uMsg != WM_NCCREATE)) return DefWindowProcA( hwnd, uMsg, wParam, lParam ); switch (uMsg) { case LVM_APPROXIMATEVIEWRECT: return LISTVIEW_ApproximateViewRect(hwnd, (INT)wParam, LOWORD(lParam), HIWORD(lParam)); case LVM_ARRANGE: return LISTVIEW_Arrange(hwnd, (INT)wParam); /* case LVM_CREATEDRAGIMAGE: */ case LVM_DELETEALLITEMS: return LISTVIEW_DeleteAllItems(hwnd); case LVM_DELETECOLUMN: return LISTVIEW_DeleteColumn(hwnd, (INT)wParam); case LVM_DELETEITEM: return LISTVIEW_DeleteItem(hwnd, (INT)wParam); case LVM_EDITLABELW: case LVM_EDITLABELA: return LISTVIEW_EditLabelA(hwnd, (INT)wParam); case LVM_ENSUREVISIBLE: return LISTVIEW_EnsureVisible(hwnd, (INT)wParam, (BOOL)lParam); case LVM_FINDITEMA: return LISTVIEW_FindItem(hwnd, (INT)wParam, (LPLVFINDINFO)lParam); case LVM_GETBKCOLOR: return LISTVIEW_GetBkColor(hwnd); /* case LVM_GETBKIMAGE: */ case LVM_GETCALLBACKMASK: return LISTVIEW_GetCallbackMask(hwnd); case LVM_GETCOLUMNA: return LISTVIEW_GetColumnA(hwnd, (INT)wParam, (LPLVCOLUMNA)lParam); /* case LVM_GETCOLUMNW: */ case LVM_GETCOLUMNORDERARRAY: return LISTVIEW_GetColumnOrderArray(hwnd, (INT)wParam, (LPINT)lParam); case LVM_GETCOLUMNWIDTH: return LISTVIEW_GetColumnWidth(hwnd, (INT)wParam); case LVM_GETCOUNTPERPAGE: return LISTVIEW_GetCountPerPage(hwnd); case LVM_GETEDITCONTROL: return LISTVIEW_GetEditControl(hwnd); case LVM_GETEXTENDEDLISTVIEWSTYLE: return LISTVIEW_GetExtendedListViewStyle(hwnd); case LVM_GETHEADER: return LISTVIEW_GetHeader(hwnd); /* case LVM_GETHOTCURSOR: */ case LVM_GETHOTITEM: return LISTVIEW_GetHotItem(hwnd); case LVM_GETHOVERTIME: return LISTVIEW_GetHoverTime(hwnd); case LVM_GETIMAGELIST: return LISTVIEW_GetImageList(hwnd, (INT)wParam); /* case LVM_GETISEARCHSTRING: */ case LVM_GETITEMA: return LISTVIEW_GetItemA(hwnd, (LPLVITEMA)lParam, FALSE); /* case LVM_GETITEMW: */ case LVM_GETITEMCOUNT: return LISTVIEW_GetItemCount(hwnd); case LVM_GETITEMPOSITION: return LISTVIEW_GetItemPosition(hwnd, (INT)wParam, (LPPOINT)lParam); case LVM_GETITEMRECT: return LISTVIEW_GetItemRect(hwnd, (INT)wParam, (LPRECT)lParam); case LVM_GETITEMSPACING: return LISTVIEW_GetItemSpacing(hwnd, (BOOL)wParam); case LVM_GETITEMSTATE: return LISTVIEW_GetItemState(hwnd, (INT)wParam, (UINT)lParam); case LVM_GETITEMTEXTA: LISTVIEW_GetItemTextA(hwnd, (INT)wParam, (LPLVITEMA)lParam); break; /* case LVM_GETITEMTEXTW: */ case LVM_GETNEXTITEM: return LISTVIEW_GetNextItem(hwnd, (INT)wParam, LOWORD(lParam)); /* case LVM_GETNUMBEROFWORKAREAS: */ case LVM_GETORIGIN: return LISTVIEW_GetOrigin(hwnd, (LPPOINT)lParam); case LVM_GETSELECTEDCOUNT: return LISTVIEW_GetSelectedCount(hwnd); case LVM_GETSELECTIONMARK: return LISTVIEW_GetSelectionMark(hwnd); case LVM_GETSTRINGWIDTHA: return LISTVIEW_GetStringWidthA (hwnd, (LPCSTR)lParam); /* case LVM_GETSTRINGWIDTHW: */ /* case LVM_GETSUBITEMRECT: */ case LVM_GETTEXTBKCOLOR: return LISTVIEW_GetTextBkColor(hwnd); case LVM_GETTEXTCOLOR: return LISTVIEW_GetTextColor(hwnd); /* case LVM_GETTOOLTIPS: */ case LVM_GETTOPINDEX: return LISTVIEW_GetTopIndex(hwnd); /* case LVM_GETUNICODEFORMAT: */ case LVM_GETVIEWRECT: return LISTVIEW_GetViewRect(hwnd, (LPRECT)lParam); /* case LVM_GETWORKAREAS: */ case LVM_HITTEST: return LISTVIEW_HitTest(hwnd, (LPLVHITTESTINFO)lParam); case LVM_INSERTCOLUMNA: return LISTVIEW_InsertColumnA(hwnd, (INT)wParam, (LPLVCOLUMNA)lParam); case LVM_INSERTCOLUMNW: return LISTVIEW_InsertColumnW(hwnd, (INT)wParam, (LPLVCOLUMNW)lParam); case LVM_INSERTITEMA: return LISTVIEW_InsertItemA(hwnd, (LPLVITEMA)lParam); case LVM_INSERTITEMW: return LISTVIEW_InsertItemW(hwnd, (LPLVITEMW)lParam); case LVM_REDRAWITEMS: return LISTVIEW_RedrawItems(hwnd, (INT)wParam, (INT)lParam); /* case LVM_SCROLL: */ /* return LISTVIEW_Scroll(hwnd, (INT)wParam, (INT)lParam); */ case LVM_SETBKCOLOR: return LISTVIEW_SetBkColor(hwnd, (COLORREF)lParam); /* case LVM_SETBKIMAGE: */ case LVM_SETCALLBACKMASK: return LISTVIEW_SetCallbackMask(hwnd, (UINT)wParam); case LVM_SETCOLUMNA: return LISTVIEW_SetColumnA(hwnd, (INT)wParam, (LPLVCOLUMNA)lParam); case LVM_SETCOLUMNW: FIXME("Unimplemented msg LVM_SETCOLUMNW\n"); return 0; case LVM_SETCOLUMNORDERARRAY: return LISTVIEW_SetColumnOrderArray(hwnd, (INT)wParam, (LPINT)lParam); case LVM_SETCOLUMNWIDTH: return LISTVIEW_SetColumnWidth(hwnd, (INT)wParam, SLOWORD(lParam)); case LVM_SETEXTENDEDLISTVIEWSTYLE: return LISTVIEW_SetExtendedListViewStyle(hwnd, (DWORD)wParam, (DWORD)lParam); /* case LVM_SETHOTCURSOR: */ case LVM_SETHOTITEM: return LISTVIEW_SetHotItem(hwnd, (INT)wParam); case LVM_SETHOVERTIME: return LISTVIEW_SetHoverTime(hwnd, (DWORD)wParam); /* case LVM_SETICONSPACING: */ case LVM_SETIMAGELIST: return LISTVIEW_SetImageList(hwnd, (INT)wParam, (HIMAGELIST)lParam); case LVM_SETITEMA: return LISTVIEW_SetItemA(hwnd, (LPLVITEMA)lParam); /* case LVM_SETITEMW: */ case LVM_SETITEMCOUNT: return LISTVIEW_SetItemCount(hwnd, (INT)wParam, (DWORD)lParam); case LVM_SETITEMPOSITION: return LISTVIEW_SetItemPosition(hwnd, (INT)wParam, (INT)LOWORD(lParam), (INT)HIWORD(lParam)); case LVM_SETITEMPOSITION32: return LISTVIEW_SetItemPosition(hwnd, (INT)wParam, ((POINT*)lParam)->x, ((POINT*)lParam)->y); case LVM_SETITEMSTATE: return LISTVIEW_SetItemState(hwnd, (INT)wParam, (LPLVITEMA)lParam); case LVM_SETITEMTEXTA: return LISTVIEW_SetItemTextA(hwnd, (INT)wParam, (LPLVITEMA)lParam); /* case LVM_SETITEMTEXTW: */ case LVM_SETSELECTIONMARK: return LISTVIEW_SetSelectionMark(hwnd, (INT)lParam); case LVM_SETTEXTBKCOLOR: return LISTVIEW_SetTextBkColor(hwnd, (COLORREF)lParam); case LVM_SETTEXTCOLOR: return LISTVIEW_SetTextColor(hwnd, (COLORREF)lParam); /* case LVM_SETTOOLTIPS: */ /* case LVM_SETUNICODEFORMAT: */ /* case LVM_SETWORKAREAS: */ case LVM_SORTITEMS: return LISTVIEW_SortItems(hwnd, wParam, lParam); /* case LVM_SUBITEMHITTEST: */ case LVM_UPDATE: return LISTVIEW_Update(hwnd, (INT)wParam); /* case WM_CHAR: */ case WM_CHAR: return LISTVIEW_ProcessLetterKeys( hwnd, wParam, lParam ); case WM_COMMAND: return LISTVIEW_Command(hwnd, wParam, lParam); case WM_CREATE: return LISTVIEW_Create(hwnd, wParam, lParam); case WM_ERASEBKGND: return LISTVIEW_EraseBackground(hwnd, wParam, lParam); case WM_GETDLGCODE: return DLGC_WANTCHARS | DLGC_WANTARROWS; case WM_GETFONT: return LISTVIEW_GetFont(hwnd); case WM_HSCROLL: return LISTVIEW_HScroll(hwnd, (INT)LOWORD(wParam), (INT)HIWORD(wParam), (HWND)lParam); case WM_KEYDOWN: return LISTVIEW_KeyDown(hwnd, (INT)wParam, (LONG)lParam); case WM_KILLFOCUS: return LISTVIEW_KillFocus(hwnd); case WM_LBUTTONDBLCLK: return LISTVIEW_LButtonDblClk(hwnd, (WORD)wParam, LOWORD(lParam), HIWORD(lParam)); case WM_LBUTTONDOWN: return LISTVIEW_LButtonDown(hwnd, (WORD)wParam, LOWORD(lParam), HIWORD(lParam)); case WM_LBUTTONUP: return LISTVIEW_LButtonUp(hwnd, (WORD)wParam, LOWORD(lParam), HIWORD(lParam)); case WM_MOUSEMOVE: return LISTVIEW_MouseMove (hwnd, wParam, lParam); case WM_MOUSEHOVER: return LISTVIEW_MouseHover(hwnd, wParam, lParam); case WM_NCCREATE: return LISTVIEW_NCCreate(hwnd, wParam, lParam); case WM_NCDESTROY: return LISTVIEW_NCDestroy(hwnd); case WM_NOTIFY: return LISTVIEW_Notify(hwnd, (INT)wParam, (LPNMHDR)lParam); case WM_NOTIFYFORMAT: return LISTVIEW_NotifyFormat(hwnd, (HWND)wParam, (INT)lParam); case WM_PAINT: return LISTVIEW_Paint(hwnd, (HDC)wParam); case WM_RBUTTONDBLCLK: return LISTVIEW_RButtonDblClk(hwnd, (WORD)wParam, LOWORD(lParam), HIWORD(lParam)); case WM_RBUTTONDOWN: return LISTVIEW_RButtonDown(hwnd, (WORD)wParam, LOWORD(lParam), HIWORD(lParam)); case WM_RBUTTONUP: return LISTVIEW_RButtonUp(hwnd, (WORD)wParam, LOWORD(lParam), HIWORD(lParam)); case WM_SETFOCUS: return LISTVIEW_SetFocus(hwnd, (HWND)wParam); case WM_SETFONT: return LISTVIEW_SetFont(hwnd, (HFONT)wParam, (WORD)lParam); case WM_SETREDRAW: return LISTVIEW_SetRedraw(hwnd, (BOOL)wParam); case WM_SIZE: return LISTVIEW_Size(hwnd, (int)SLOWORD(lParam), (int)SHIWORD(lParam)); case WM_STYLECHANGED: return LISTVIEW_StyleChanged(hwnd, wParam, (LPSTYLESTRUCT)lParam); /* case WM_TIMER: */ case WM_VSCROLL: return LISTVIEW_VScroll(hwnd, (INT)LOWORD(wParam), (INT)HIWORD(wParam), (HWND)lParam); case WM_MOUSEWHEEL: if (wParam & (MK_SHIFT | MK_CONTROL)) return DefWindowProcA( hwnd, uMsg, wParam, lParam ); return LISTVIEW_MouseWheel(hwnd, (short int)HIWORD(wParam));/* case WM_WINDOWPOSCHANGED: */ /* case WM_WININICHANGE: */ default: if (uMsg >= WM_USER) { ERR("unknown msg %04x wp=%08x lp=%08lx\n", uMsg, wParam, lParam); } /* call default window procedure */ return DefWindowProcA(hwnd, uMsg, wParam, lParam); } return 0; } /*** * DESCRIPTION: * Registers the window class. * * PARAMETER(S): * None * * RETURN: * None */ VOID LISTVIEW_Register(void) { WNDCLASSA wndClass; ZeroMemory(&wndClass, sizeof(WNDCLASSA)); wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS; wndClass.lpfnWndProc = (WNDPROC)LISTVIEW_WindowProc; wndClass.cbClsExtra = 0; wndClass.cbWndExtra = sizeof(LISTVIEW_INFO *); wndClass.hCursor = LoadCursorA(0, IDC_ARROWA); wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1); wndClass.lpszClassName = WC_LISTVIEWA; RegisterClassA(&wndClass); } /*** * DESCRIPTION: * Unregisters the window class. * * PARAMETER(S): * None * * RETURN: * None */ VOID LISTVIEW_Unregister(void) { UnregisterClassA(WC_LISTVIEWA, (HINSTANCE)NULL); } /*** * DESCRIPTION: * Handle any WM_COMMAND messages * * PARAMETER(S): * * RETURN: */ static LRESULT LISTVIEW_Command(HWND hwnd, WPARAM wParam, LPARAM lParam) { switch (HIWORD(wParam)) { case EN_UPDATE: { /* * Adjust the edit window size */ char buffer[1024]; LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0); HDC hdc = GetDC(infoPtr->hwndEdit); HFONT hFont, hOldFont = 0; RECT rect; SIZE sz; int len; len = GetWindowTextA(infoPtr->hwndEdit, buffer, 1023); GetWindowRect(infoPtr->hwndEdit, &rect); /* Select font to get the right dimension of the string */ hFont = SendMessageA(infoPtr->hwndEdit, WM_GETFONT, 0, 0); if(hFont != 0) { hOldFont = SelectObject(hdc, hFont); } if (GetTextExtentPoint32A(hdc, buffer, strlen(buffer), &sz)) { TEXTMETRICA textMetric; /* Add Extra spacing for the next character */ GetTextMetricsA(hdc, &textMetric); sz.cx += (textMetric.tmMaxCharWidth * 2); SetWindowPos ( infoPtr->hwndEdit, HWND_TOP, 0, 0, sz.cx, rect.bottom - rect.top, SWP_DRAWFRAME|SWP_NOMOVE); } if(hFont != 0) { SelectObject(hdc, hOldFont); } ReleaseDC(hwnd, hdc); break; } default: return SendMessageA (GetParent (hwnd), WM_COMMAND, wParam, lParam); } return 0; } /*** * DESCRIPTION: * Subclassed edit control windproc function * * PARAMETER(S): * * RETURN: */ LRESULT CALLBACK EditLblWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { BOOL cancel = FALSE; LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(GetParent(hwnd), 0); EDITLABEL_ITEM *einfo = infoPtr->pedititem; static BOOL bIgnoreKillFocus = FALSE; switch (uMsg) { case WM_GETDLGCODE: return DLGC_WANTARROWS | DLGC_WANTALLKEYS; case WM_KILLFOCUS: if(bIgnoreKillFocus) { return TRUE; } break; case WM_DESTROY: { WNDPROC editProc = einfo->EditWndProc; SetWindowLongA(hwnd, GWL_WNDPROC, (LONG)editProc); COMCTL32_Free(einfo); infoPtr->pedititem = NULL; return CallWindowProcA(editProc, hwnd, uMsg, wParam, lParam); } case WM_KEYDOWN: if (VK_ESCAPE == (INT)wParam) { cancel = TRUE; break; } else if (VK_RETURN == (INT)wParam) break; default: return CallWindowProcA(einfo->EditWndProc, hwnd, uMsg, wParam, lParam); } if (einfo->EditLblCb) { char *buffer = NULL; if (!cancel) { int len = 1 + GetWindowTextLengthA(hwnd); if (len > 1) { if (NULL != (buffer = (char *)COMCTL32_Alloc(len*sizeof(char)))) { GetWindowTextA(hwnd, buffer, len); } } } /* Processing LVN_ENDLABELEDIT message could kill the focus */ /* eg. Using a messagebox */ bIgnoreKillFocus = TRUE; einfo->EditLblCb(GetParent(hwnd), buffer, einfo->param); if (buffer) COMCTL32_Free(buffer); einfo->EditLblCb = NULL; bIgnoreKillFocus = FALSE; } SendMessageA(hwnd, WM_CLOSE, 0, 0); return TRUE; } /*** * DESCRIPTION: * Creates a subclassed edit cotrol * * PARAMETER(S): * * RETURN: */ HWND CreateEditLabel(LPCSTR text, DWORD style, INT x, INT y, INT width, INT height, HWND parent, HINSTANCE hinst, EditlblCallback EditLblCb, DWORD param) { HWND hedit; SIZE sz; HDC hdc; HDC hOldFont=0; TEXTMETRICA textMetric; LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(parent, 0); if (NULL == (infoPtr->pedititem = COMCTL32_Alloc(sizeof(EDITLABEL_ITEM)))) return 0; style |= WS_CHILDWINDOW|WS_CLIPSIBLINGS|ES_LEFT|WS_BORDER; hdc = GetDC(parent); /* Select the font to get appropriate metric dimensions */ if(infoPtr->hFont != 0) { hOldFont = SelectObject(hdc, infoPtr->hFont); } /*Get String Lenght in pixels */ GetTextExtentPoint32A(hdc, text, strlen(text), &sz); /*Add Extra spacing for the next character */ GetTextMetricsA(hdc, &textMetric); sz.cx += (textMetric.tmMaxCharWidth * 2); if(infoPtr->hFont != 0) { SelectObject(hdc, hOldFont); } ReleaseDC(parent, hdc); if (!(hedit = CreateWindowA("Edit", text, style, x, y, sz.cx, height, parent, 0, hinst, 0))) { COMCTL32_Free(infoPtr->pedititem); return 0; } infoPtr->pedititem->param = param; infoPtr->pedititem->EditLblCb = EditLblCb; infoPtr->pedititem->EditWndProc = (WNDPROC)SetWindowLongA(hedit, GWL_WNDPROC, (LONG) EditLblWndProc); SendMessageA(hedit, WM_SETFONT, infoPtr->hFont, FALSE); return hedit; }