From 02300aeaa59e748c6fde350b696ac7a784083d48 Mon Sep 17 00:00:00 2001 From: "Sylvain St.Germain" Date: Tue, 16 Mar 1999 10:38:44 +0000 Subject: [PATCH] Fixed some graphical problems of the treeview and added support LMB click on +/- sign to open and close. Fixed a bug in imagelist where the last image could not be displayed. --- dlls/comctl32/imagelist.c | 2 +- dlls/comctl32/treeview.c | 521 ++++++++++++++++++++++++-------------- include/treeview.h | 118 +++++---- 3 files changed, 392 insertions(+), 249 deletions(-) diff --git a/dlls/comctl32/imagelist.c b/dlls/comctl32/imagelist.c index 2c39afd622c..f0280ec9533 100644 --- a/dlls/comctl32/imagelist.c +++ b/dlls/comctl32/imagelist.c @@ -894,7 +894,7 @@ ImageList_DrawIndirect (IMAGELISTDRAWPARAMS *pimldp) return FALSE; if (pimldp->himl == NULL) return FALSE; - if ((pimldp->i < 0) || (pimldp->i >= pimldp->himl->cCurImage)) + if ((pimldp->i < 0) || (pimldp->i > pimldp->himl->cCurImage)) return FALSE; himlLocal = pimldp->himl; diff --git a/dlls/comctl32/treeview.c b/dlls/comctl32/treeview.c index a0f55b27691..c57402e9f3b 100644 --- a/dlls/comctl32/treeview.c +++ b/dlls/comctl32/treeview.c @@ -2,6 +2,7 @@ * * Copyright 1998 Eric Kohl * Copyright 1998,1999 Alex Priem + * Copyright 1999 Sylvain St-Germain * * * TODO: @@ -404,12 +405,6 @@ TREEVIEW_GetTextColor (HWND hwnd) } - - - -/* FIXME: draw background (infoPtr->clrBk) */ - - /* cdmode: custom draw mode as received from app. in first NMCUSTOMDRAW notification */ @@ -418,16 +413,13 @@ TREEVIEW_DrawItem (HWND hwnd, HDC hdc, TREEVIEW_ITEM *wineItem) { TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(hwnd); - INT oldBkMode,center,xpos,cx,cy, cditem, drawmode; - TREEVIEW_ITEM *parentItem; - COLORREF oldBkColor = 0; - HFONT hOldFont; - UINT uTextJustify = DT_LEFT; - HPEN hOldPen, hnewPen; - RECT r,upper; - HIMAGELIST *himlp; - + INT center,xpos,cx,cy, cditem, drawmode; + HFONT hOldFont; + UINT uTextJustify = DT_LEFT; + RECT r; + + if (wineItem->state & TVIS_BOLD) hOldFont = SelectObject (hdc, infoPtr->hBoldFont); else @@ -436,138 +428,260 @@ TREEVIEW_DrawItem (HWND hwnd, HDC hdc, TREEVIEW_ITEM *wineItem) cditem=0; if (infoPtr->cdmode & CDRF_NOTIFYITEMDRAW) { drawmode=CDDS_ITEMPREPAINT; - if (infoPtr->cdmode & CDRF_NOTIFYSUBITEMDRAW) drawmode|=CDDS_SUBITEM; + + if (infoPtr->cdmode & CDRF_NOTIFYSUBITEMDRAW) + drawmode|=CDDS_SUBITEM; + cditem=TREEVIEW_SendCustomDrawItemNotify (hwnd, hdc, wineItem, drawmode); + TRACE (treeview,"cditem:%d\n",cditem); + if (cditem & CDRF_SKIPDEFAULT) return; } - + + /* + * Set drawing starting points + */ + r = wineItem->rect; /* this item rectangle */ + center = (r.top+r.bottom)/2; /* this item vertical center */ + xpos = r.left + 8; /* horizontal starting point */ + + /* + * Display the tree hierarchy + */ + if ( GetWindowLongA( hwnd, GWL_STYLE) & TVS_HASLINES) + { + /* + * Write links to parent node + * we draw the L starting from the child to the parent + * + * points[0] is attached to the current item + * points[1] is the L corner + * points[2] is attached to the parent or the up sibling + */ + if ( GetWindowLongA( hwnd, GWL_STYLE) & TVS_LINESATROOT) + { + TREEVIEW_ITEM *upNode = NULL; + TREEVIEW_ITEM *downNode = NULL; + BOOL hasParentOrSibling = TRUE; + RECT upRect = {0,0,0,0}; + HPEN hOldPen, hnewPen; + POINT points[3], downLink[2]; + /* + * determine the target location of the line at root, either be linked + * to the up sibling or to the parent node. + */ + if (wineItem->upsibling) + upNode = TREEVIEW_ValidItem (infoPtr, wineItem->upsibling); + else if (wineItem->parent) + upNode = TREEVIEW_ValidItem (infoPtr, wineItem->parent); + else + hasParentOrSibling = FALSE; + + if (upNode) + upRect = upNode->rect; + + if ( wineItem->iLevel == 0 ) + { + points[2].x = points[1].x = upRect.left+8; + points[0].x = points[2].x + 10; + points[2].y = upRect.bottom-3; + points[1].y = points[0].y = center; + } + else + { + points[2].x = points[1].x = 8 + (20*wineItem->iLevel); + points[2].y = ((upNode->cChildren == 0) ? + upRect.top : + upRect.bottom-3); + points[1].y = points[0].y = center; + points[0].x = points[1].x + 10; + } + + /* + * Check wheather this item has an invisible sibling. If so, draw a + * link to the bottom of the treeview otherwise there will not be any... + */ + if (wineItem->sibling) + { + downNode = TREEVIEW_ValidItem (infoPtr, wineItem->sibling); + if (downNode->visible == FALSE) + { + downLink[0].x = downLink[1].x = points[2].x; + downLink[0].y = points[2].y; + downLink[1].y = infoPtr->uTotalHeight - points[2].y; + } + } - hnewPen = CreatePen(PS_DOT, 0, GetSysColor(COLOR_WINDOWTEXT) ); - hOldPen = SelectObject( hdc, hnewPen ); - - r=wineItem->rect; - if (wineItem->parent) { - parentItem=TREEVIEW_ValidItem (infoPtr, wineItem->parent); - upper=parentItem->rect; + /* + * Get a doted pen + */ + hnewPen = CreatePen(PS_DOT, 0, GetSysColor(COLOR_WINDOWTEXT) ); + hOldPen = SelectObject( hdc, hnewPen ); + + if (hasParentOrSibling) + Polyline (hdc,points,3); + else + Polyline (hdc,points,2); + + /* FIXME: This simple stuff it does not work... + if ( downNode && ( downNode->visible == FALSE )) + Polyline (hdc,downLink,2); + */ + + DeleteObject(hnewPen); + SelectObject(hdc, hOldPen); + } } - else { - upper.top=0; - upper.left=8; + + /* + * Display the (+/-) signs + */ + wineItem->expandBox.left = 0; /* Initialize the expandBox */ + wineItem->expandBox.top = 0; + wineItem->expandBox.right = 0; + wineItem->expandBox.bottom = 0; + if (( GetWindowLongA( hwnd, GWL_STYLE) & TVS_HASBUTTONS) && + ( GetWindowLongA( hwnd, GWL_STYLE) & TVS_HASLINES)) + { + if (wineItem->cChildren) + { + if (wineItem->parent) + xpos+=5; /* update position only for nodes that have a parent */ + + Rectangle (hdc, xpos-4, center-4, xpos+5, center+5); + MoveToEx (hdc, xpos-2, center, NULL); + LineTo (hdc, xpos+3, center); + + if (!(wineItem->state & TVIS_EXPANDED)) { + MoveToEx (hdc, xpos, center-2, NULL); + LineTo (hdc, xpos, center+3); + } + + /* Setup expand box coordinate to facilitate the LMBClick handling */ + wineItem->expandBox.left = xpos-4; + wineItem->expandBox.top = center-4; + wineItem->expandBox.right = xpos+5; + wineItem->expandBox.bottom = center+5; + } + else + { + xpos+=(5*wineItem->iLevel); + } } - center=(r.top+r.bottom)/2; - xpos=r.left+8; - - if ( GetWindowLongA( hwnd, GWL_STYLE) & TVS_HASLINES) { - POINT points[3]; - if (( GetWindowLongA( hwnd, GWL_STYLE) & TVS_LINESATROOT) && (wineItem->iLevel==0)) { - points[0].y=points[1].y=center; - points[2].y=upper.top; - points[1].x=points[2].x=upper.left; - points[0].x=upper.left+12; - points[2].y+=5; - - Polyline (hdc,points,3); - } - else { - points[0].y=points[1].y=center; - points[2].y=upper.top; - points[1].x=points[2].x=upper.left+13; - points[0].x=upper.left+25; - points[2].y+=5; - Polyline (hdc,points,3); - } - } - - DeleteObject(hnewPen); - SelectObject(hdc, hOldPen); - - if (( GetWindowLongA( hwnd, GWL_STYLE) & TVS_HASBUTTONS) && ( GetWindowLongA( hwnd, GWL_STYLE) & TVS_HASLINES) && - (wineItem->cChildren)) { - Rectangle (hdc, xpos-4, center-4, xpos+5, center+5); - MoveToEx (hdc, xpos-2, center, NULL); - LineTo (hdc, xpos+3, center); - if (!(wineItem->state & TVIS_EXPANDED)) { - MoveToEx (hdc, xpos, center-2, NULL); - LineTo (hdc, xpos, center+3); - } - } - - - xpos+=13; + /* + * Display the image assiciated with this item + */ if (wineItem->mask & (TVIF_IMAGE|TVIF_SELECTEDIMAGE)) { + INT imageIndex; + HIMAGELIST *himlp = NULL; + xpos += 13; /* update position */ - himlp=NULL; - if (infoPtr->himlNormal) himlp=&infoPtr->himlNormal; + if (infoPtr->himlNormal) + himlp=&infoPtr->himlNormal; /* get the image list */ - if ((wineItem->state & TVIS_SELECTED) && (wineItem->iSelectedImage)) { - if (infoPtr->himlState) himlp=&infoPtr->himlState; - if (wineItem->iSelectedImage==I_IMAGECALLBACK) - TREEVIEW_SendDispInfoNotify (hwnd, wineItem, - TVN_GETDISPINFO, TVIF_SELECTEDIMAGE); - } else { /* NOT selected */ - if (wineItem->iImage==I_IMAGECALLBACK) - TREEVIEW_SendDispInfoNotify (hwnd, wineItem, - TVN_GETDISPINFO, TVIF_IMAGE); + if ( (wineItem->state & TVIS_SELECTED) && + (wineItem->iSelectedImage)) { + + /* State images are displayed to the left of the Normal image*/ + if (infoPtr->himlState) + himlp=&infoPtr->himlState; + + /* The item is curently selected */ + if (wineItem->iSelectedImage == I_IMAGECALLBACK) + TREEVIEW_SendDispInfoNotify ( + hwnd, + wineItem, + TVN_GETDISPINFO, + TVIF_SELECTEDIMAGE); + + imageIndex = wineItem->iSelectedImage; + + } else { + /* This item is not selected */ + if (wineItem->iImage == I_IMAGECALLBACK) + TREEVIEW_SendDispInfoNotify ( + hwnd, + wineItem, + TVN_GETDISPINFO, + TVIF_IMAGE); + + imageIndex = wineItem->iImage; } + + if (himlp) + { + /* We found an image to display? Draw it. */ + ImageList_Draw ( + *himlp, + wineItem->iImage, + hdc, + xpos-2, + r.top+1, + ILD_NORMAL); - if (himlp) { - ImageList_Draw (*himlp, wineItem->iImage, hdc, xpos-2, r.top+1, ILD_NORMAL); - ImageList_GetIconSize (*himlp, &cx, &cy); - xpos+=cx; - } - } + ImageList_GetIconSize (*himlp, &cx, &cy); + xpos+=cx; + } + } r.left=xpos; - if ((wineItem->mask & TVIF_TEXT) && (wineItem->pszText)) { + if ((wineItem->mask & TVIF_TEXT) && (wineItem->pszText)) + { + COLORREF oldBkColor = 0; + COLORREF oldTextColor = 0; + INT oldBkMode; - if (wineItem->state & (TVIS_SELECTED | TVIS_DROPHILITED) ) { - oldBkMode = SetBkMode(hdc, OPAQUE); - oldBkColor= SetBkColor (hdc, GetSysColor( COLOR_HIGHLIGHT)); - SetTextColor (hdc, GetSysColor(COLOR_HIGHLIGHTTEXT)); - } else { - oldBkMode = SetBkMode(hdc, TRANSPARENT); - } - r.left += 3; - r.right -= 3; - wineItem->text.left=r.left; - wineItem->text.right=r.right; - if (infoPtr->clrText==-1) - SetTextColor (hdc, COLOR_BTNTEXT); - else - SetTextColor (hdc, infoPtr->clrText); /* FIXME: setback retval */ + if (wineItem->state & (TVIS_SELECTED | TVIS_DROPHILITED) ) { + oldBkMode = SetBkMode (hdc, OPAQUE); + oldBkColor = SetBkColor (hdc, GetSysColor( COLOR_HIGHLIGHT)); + oldTextColor = SetTextColor(hdc, GetSysColor( COLOR_HIGHLIGHTTEXT)); + } + else + { + oldBkMode = SetBkMode(hdc, TRANSPARENT); + oldTextColor = SetTextColor(hdc, GetSysColor( COLOR_WINDOWTEXT)); + } - if (wineItem->pszText== LPSTR_TEXTCALLBACKA) { - TRACE (treeview,"LPSTR_TEXTCALLBACK\n"); - TREEVIEW_SendDispInfoNotify (hwnd, wineItem, - TVN_GETDISPINFO, TVIF_TEXT); - } + r.left += 3; + r.right -= 3; + wineItem->text.left=r.left; + wineItem->text.right=r.right; - DrawTextA (hdc, wineItem->pszText, lstrlenA(wineItem->pszText), &r, - uTextJustify|DT_VCENTER|DT_SINGLELINE); + if (wineItem->pszText== LPSTR_TEXTCALLBACKA) { + TRACE (treeview,"LPSTR_TEXTCALLBACK\n"); + TREEVIEW_SendDispInfoNotify (hwnd, wineItem, TVN_GETDISPINFO, TVIF_TEXT); + } - if (oldBkMode != TRANSPARENT) - SetBkMode(hdc, oldBkMode); - if (wineItem->state & (TVIS_SELECTED | TVIS_DROPHILITED)) - SetBkColor (hdc, oldBkColor); - } + DrawTextA ( + hdc, + wineItem->pszText, + lstrlenA(wineItem->pszText), + &r, + uTextJustify|DT_VCENTER|DT_SINGLELINE); + + /* + * FIXME if not always done, the bmp following the selection are not + * visible ???? + */ + SetTextColor( hdc, oldTextColor); + + if (oldBkMode != TRANSPARENT) + SetBkMode(hdc, oldBkMode); + if (wineItem->state & (TVIS_SELECTED | TVIS_DROPHILITED)) + SetBkColor (hdc, oldBkColor); + } if (cditem & CDRF_NOTIFYPOSTPAINT) - TREEVIEW_SendCustomDrawItemNotify (hwnd, hdc, wineItem, - CDDS_ITEMPOSTPAINT); + TREEVIEW_SendCustomDrawItemNotify (hwnd, hdc, wineItem, CDDS_ITEMPOSTPAINT); SelectObject (hdc, hOldFont); } - - - - - static LRESULT TREEVIEW_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam) { @@ -1822,69 +1936,85 @@ TREEVIEW_SendCustomDrawItemNotify (HWND hwnd, HDC hdc, static LRESULT TREEVIEW_Expand (HWND hwnd, WPARAM wParam, LPARAM lParam) { - TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(hwnd); - TREEVIEW_ITEM *wineItem, *parentItem; - UINT flag; - INT expand; - - flag= (UINT) wParam; - expand= (INT) lParam; - TRACE (treeview,"flags:%x item:%x\n", expand, wParam); - wineItem = TREEVIEW_ValidItem (infoPtr, (HTREEITEM)expand); - if (!wineItem) return 0; - if (!wineItem->cChildren) return 0; + TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(hwnd); + TREEVIEW_ITEM *wineItem; + UINT flag; + INT expand; + + flag = (UINT) wParam; + expand = (INT) lParam; + TRACE (treeview,"flags:%x item:%x\n", expand, wParam); + wineItem = TREEVIEW_ValidItem (infoPtr, (HTREEITEM)expand); - if (wineItem->cChildren==I_CHILDRENCALLBACK) { - FIXME (treeview,"we don't handle I_CHILDRENCALLBACK yet\n"); - return 0; - } + if (!wineItem) + return 0; + if (!wineItem->cChildren) + return 0; - if (flag & TVE_TOGGLE) { /* FIXME: check exact behaviour here */ - flag &= ~TVE_TOGGLE; /* ie: bitwise ops or 'case' ops */ - if (wineItem->state & TVIS_EXPANDED) - flag |= TVE_COLLAPSE; - else - flag |= TVE_EXPAND; - } + if (wineItem->cChildren==I_CHILDRENCALLBACK) { + FIXME (treeview,"we don't handle I_CHILDRENCALLBACK yet\n"); + return 0; + } - switch (flag) { + if (flag & TVE_TOGGLE) { /* FIXME: check exact behaviour here */ + flag &= ~TVE_TOGGLE; /* ie: bitwise ops or 'case' ops */ + if (wineItem->state & TVIS_EXPANDED) + flag |= TVE_COLLAPSE; + else + flag |= TVE_EXPAND; + } + + switch (flag) + { case TVE_COLLAPSERESET: - if (!wineItem->state & TVIS_EXPANDED) return 0; - wineItem->state &= ~(TVIS_EXPANDEDONCE | TVIS_EXPANDED); - TREEVIEW_RemoveAllChildren (hwnd, wineItem); - break; + if (!wineItem->state & TVIS_EXPANDED) + return 0; + + wineItem->state &= ~(TVIS_EXPANDEDONCE | TVIS_EXPANDED); + TREEVIEW_RemoveAllChildren (hwnd, wineItem); + break; case TVE_COLLAPSE: - if (!wineItem->state & TVIS_EXPANDED) return 0; - wineItem->state &= ~TVIS_EXPANDED; - break; + if (!wineItem->state & TVIS_EXPANDED) + return 0; + + wineItem->state &= ~TVIS_EXPANDED; + break; case TVE_EXPAND: - if (wineItem->state & TVIS_EXPANDED) return 0; - if (wineItem->parent) { - parentItem=TREEVIEW_ValidItem(infoPtr,wineItem->parent); - TREEVIEW_Expand (hwnd, wParam, (LPARAM) wineItem->parent); - } - if (!(wineItem->state & TVIS_EXPANDEDONCE)) { - if (TREEVIEW_SendTreeviewNotify (hwnd, TVN_ITEMEXPANDING, - 0, 0, (HTREEITEM)expand)) - return FALSE; /* FIXME: OK? */ - wineItem->state |= TVIS_EXPANDED | TVIS_EXPANDEDONCE; - TREEVIEW_SendTreeviewNotify (hwnd, TVN_ITEMEXPANDED, - 0, 0, (HTREEITEM)expand); - } - wineItem->state |= TVIS_EXPANDED; - break; - case TVE_EXPANDPARTIAL: - FIXME (treeview, "TVE_EXPANDPARTIAL not implemented\n"); - wineItem->state ^=TVIS_EXPANDED; - wineItem->state |=TVIS_EXPANDEDONCE; - break; - } - - TREEVIEW_QueueRefresh (hwnd); + if (wineItem->state & TVIS_EXPANDED) + return 0; - return TRUE; + if (!(wineItem->state & TVIS_EXPANDEDONCE)) + { + if (TREEVIEW_SendTreeviewNotify ( + hwnd, + TVN_ITEMEXPANDING, + 0, + 0, + (HTREEITEM)expand)) + return FALSE; /* FIXME: OK? */ + + wineItem->state |= TVIS_EXPANDED | TVIS_EXPANDEDONCE; + TREEVIEW_SendTreeviewNotify ( + hwnd, + TVN_ITEMEXPANDED, + 0, + 0, + (HTREEITEM)expand); + } + wineItem->state |= TVIS_EXPANDED; + break; + + case TVE_EXPANDPARTIAL: + FIXME (treeview, "TVE_EXPANDPARTIAL not implemented\n"); + wineItem->state ^=TVIS_EXPANDED; + wineItem->state |=TVIS_EXPANDEDONCE; + break; + } + + TREEVIEW_QueueRefresh (hwnd); + return TRUE; } @@ -1932,28 +2062,45 @@ TREEVIEW_HitTest (HWND hwnd, LPARAM lParam) if (x > rect.right) status|=TVHT_TORIGHT; if (y < rect.top ) status|=TVHT_ABOVE; if (y > rect.bottom) status|=TVHT_BELOW; + if (status) { - lpht->flags=status; - return 0; + lpht->flags=status; + return 0; } wineItem=TREEVIEW_HitTestPoint (hwnd, lpht->pt); - if (!wineItem) { - lpht->flags=TVHT_NOWHERE; - return 0; + if (!wineItem) { + lpht->flags=TVHT_NOWHERE; + return 0; } - if (x>wineItem->rect.right) { - lpht->flags|=TVHT_ONITEMRIGHT; - return (LRESULT) wineItem->hItem; - } + /* FIXME: implement other flags + * Assign the appropriate flags depending on the click location + * Intitialize flags before to "|=" it... + */ + lpht->flags=0; + + if (x < wineItem->expandBox.left) + { + lpht->flags |= TVHT_ONITEMINDENT; + } + else if ( ( x >= wineItem->expandBox.left) && + ( x <= wineItem->expandBox.right)) + { + lpht->flags |= TVHT_ONITEMBUTTON; + } + else if (x < wineItem->rect.right) + { + lpht->flags |= TVHT_ONITEMLABEL; + } + else + { + lpht->flags|=TVHT_ONITEMRIGHT; + } - if (xrect.left+10) lpht->flags|=TVHT_ONITEMBUTTON; + lpht->hItem=wineItem->hItem; - lpht->flags=TVHT_ONITEMLABEL; /* FIXME: implement other flags */ - lpht->hItem=wineItem->hItem; - - return (LRESULT) wineItem->hItem; + return (LRESULT) wineItem->hItem; } diff --git a/include/treeview.h b/include/treeview.h index aab977558cc..cfc3aff31f3 100644 --- a/include/treeview.h +++ b/include/treeview.h @@ -17,72 +17,68 @@ /* internal structures */ typedef struct { - UINT mask; - HTREEITEM hItem; - UINT state; - UINT stateMask; - LPSTR pszText; - int cchTextMax; - int iImage; - int iSelectedImage; - int cChildren; - LPARAM lParam; - int iIntegral; - int iLevel; /* indentation level:0=root level */ - COLORREF clrText; - - HTREEITEM parent; /* handle to parent or 0 if at root*/ - HTREEITEM firstChild; /* handle to first child or 0 if no child*/ - HTREEITEM sibling; /* handle to next item in list, 0 if last */ - HTREEITEM upsibling; /* handle to previous item in list, 0 if first */ - int visible; - RECT rect; - RECT text; + UINT mask; + HTREEITEM hItem; + UINT state; + UINT stateMask; + LPSTR pszText; + int cchTextMax; + int iImage; + int iSelectedImage; + int cChildren; + LPARAM lParam; + int iIntegral; + int iLevel; /* indentation level:0=root level */ + COLORREF clrText; + HTREEITEM parent; /* handle to parent or 0 if at root*/ + HTREEITEM firstChild; /* handle to first child or 0 if no child*/ + HTREEITEM sibling; /* handle to next item in list, 0 if last */ + HTREEITEM upsibling; /* handle to previous item in list, 0 if first */ + int visible; + RECT rect; + RECT text; + RECT expandBox; /* expand box (+/-) coordinate */ } TREEVIEW_ITEM; - typedef struct tagTREEVIEW_INFO { - UINT uInternalStatus; - UINT bAutoSize; /* merge with uInternalStatus */ - INT Timer; - UINT uNumItems; /* number of valid TREEVIEW_ITEMs */ - UINT uNumPtrsAlloced; - HTREEITEM uMaxHandle; /* needed for delete_item */ - HTREEITEM TopRootItem; /* handle to first item in treeview */ - INT cdmode; /* last custom draw setting */ - - UINT uItemHeight; /* item height, -1 for default item height */ - UINT uRealItemHeight; /* current item height in pixels */ - UINT uVisibleHeight; /* visible height of treeview in pixels */ - UINT uTotalHeight; /* total height of treeview in pixels */ - UINT uVisibleWidth; - UINT uTotalWidth; - UINT uIndent; /* indentation in pixels */ - HTREEITEM selectedItem; /* handle to selected item or 0 if none */ - HTREEITEM focusItem; /* handle to item that has focus, 0 if none */ - HTREEITEM hotItem; /* handle currently under cursor, 0 if none */ - HTREEITEM editItem; /* handle to item currently editted, 0 if none */ - HTREEITEM firstVisible; /* handle to first visible item */ - HTREEITEM dropItem; /* handle to item selected by drag cursor */ - HIMAGELIST dragList; /* Bitmap of dragged item */ - INT cx,cy; /* current x/y place in list */ - COLORREF clrBk; - COLORREF clrText; - HFONT hFont; - HFONT hBoldFont; - HWND hwndToolTip; - HWND hwndEdit; - WNDPROC wpEditOrig; /* needed for subclassing edit control */ - - HIMAGELIST himlNormal; - HIMAGELIST himlState; - TREEVIEW_ITEM *items; /* itemlist */ - INT *freeList; /* bitmap indicating which elements are valid */ - /* 1=valid, 0=free; */ - /* size of list= uNumPtrsAlloced/32 */ - + UINT uInternalStatus; + UINT bAutoSize; /* merge with uInternalStatus */ + INT Timer; + UINT uNumItems; /* number of valid TREEVIEW_ITEMs */ + UINT uNumPtrsAlloced; + HTREEITEM uMaxHandle; /* needed for delete_item */ + HTREEITEM TopRootItem; /* handle to first item in treeview */ + INT cdmode; /* last custom draw setting */ + UINT uItemHeight; /* item height, -1 for default item height */ + UINT uRealItemHeight;/* current item height in pixels */ + UINT uVisibleHeight; /* visible height of treeview in pixels */ + UINT uTotalHeight; /* total height of treeview in pixels */ + UINT uVisibleWidth; + UINT uTotalWidth; + UINT uIndent; /* indentation in pixels */ + HTREEITEM selectedItem; /* handle to selected item or 0 if none */ + HTREEITEM focusItem; /* handle to item that has focus, 0 if none */ + HTREEITEM hotItem; /* handle currently under cursor, 0 if none */ + HTREEITEM editItem; /* handle to item currently editted, 0 if none */ + HTREEITEM firstVisible; /* handle to first visible item */ + HTREEITEM dropItem; /* handle to item selected by drag cursor */ + HIMAGELIST dragList; /* Bitmap of dragged item */ + INT cx,cy; /* current x/y place in list */ + COLORREF clrBk; + COLORREF clrText; + HFONT hFont; + HFONT hBoldFont; + HWND hwndToolTip; + HWND hwndEdit; + WNDPROC wpEditOrig; /* needed for subclassing edit control */ + HIMAGELIST himlNormal; + HIMAGELIST himlState; + TREEVIEW_ITEM *items; /* itemlist */ + INT *freeList; /* bitmap indicating which elements are valid */ + /* 1=valid, 0=free; */ + /* size of list= uNumPtrsAlloced/32 */ } TREEVIEW_INFO;