Factor out owner draw code, so that it works for all modes.
Documentation updates.
This commit is contained in:
Dimitrie O. Paun
Alexandre Julliard
parent
b8d5715bc1
commit
a625dd394d
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@ -3247,13 +3247,91 @@ static BOOL LISTVIEW_DrawLargeItem(LISTVIEW_INFO *infoPtr, HDC hdc, INT nItem, R
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return lprcFocus != NULL;
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}
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/***
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* DESCRIPTION:
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* Draws listview items when in owner draw mode.
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*
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* PARAMETER(S):
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* [I] infoPtr : valid pointer to the listview structure
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* [I] hdc : device context handle
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*
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* RETURN:
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* None
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*/
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static void LISTVIEW_RefreshOwnerDraw(LISTVIEW_INFO *infoPtr, HDC hdc)
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{
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INT nTop, nItem, nLast, nUpdateHeight, nUpdateWidth, rgntype;
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UINT uID = GetWindowLongW(infoPtr->hwndSelf, GWL_ID);
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HWND hwndParent = GetParent(infoPtr->hwndSelf);
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POINT Origin, Position;
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DRAWITEMSTRUCT dis;
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LVITEMW item;
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RECT rcClip;
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TRACE("()\n");
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/* figure out what to draw */
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/* FIXME: this works for REPORT only */
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rgntype = GetClipBox(hdc, &rcClip);
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if (rgntype == NULLREGION) return;
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nUpdateHeight = rcClip.bottom - rcClip.top + 1;
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nUpdateWidth = rcClip.right - rcClip.left;
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nTop = LISTVIEW_GetTopIndex(infoPtr);
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nItem = nTop + (rcClip.top - infoPtr->rcList.top) / infoPtr->nItemHeight;
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if (nItem < nTop)
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nItem = nTop;
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nLast = nItem + nUpdateHeight / infoPtr->nItemHeight;
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if (nUpdateHeight % infoPtr->nItemHeight) nLast++;
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if (nLast > infoPtr->nItemCount)
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nLast = infoPtr->nItemCount;
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ZeroMemory(&dis, sizeof(dis));
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/* Get scroll info once before loop */
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if (!LISTVIEW_GetOrigin(infoPtr, &Origin)) return;
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/* send cache hint notification */
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if (infoPtr->dwStyle & LVS_OWNERDATA)
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notify_odcachehint(infoPtr, nItem, nLast);
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/* iterate through the invalidated rows */
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for (; nItem < nLast; nItem++)
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{
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item.iItem = nItem;
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item.iSubItem = 0;
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item.mask = LVIF_PARAM | LVIF_STATE;
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item.stateMask = LVIS_SELECTED | LVIS_FOCUSED;
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if (!LISTVIEW_GetItemW(infoPtr, &item)) continue;
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dis.CtlType = ODT_LISTVIEW;
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dis.CtlID = uID;
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dis.itemID = nItem;
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dis.itemAction = ODA_DRAWENTIRE;
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dis.itemState = 0;
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if (item.state & LVIS_SELECTED) dis.itemState |= ODS_SELECTED;
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if (infoPtr->bFocus && (item.state & LVIS_FOCUSED)) dis.itemState |= ODS_FOCUS;
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dis.hwndItem = infoPtr->hwndSelf;
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dis.hDC = hdc;
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if (!LISTVIEW_GetItemListOrigin(infoPtr, nItem, &Position)) continue;
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dis.rcItem.left = Position.x + Origin.x;
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dis.rcItem.right = dis.rcItem.left + infoPtr->nItemWidth;
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dis.rcItem.top = Position.y + Origin.y;
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dis.rcItem.bottom = dis.rcItem.top + infoPtr->nItemHeight;
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dis.itemData = item.lParam;
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TRACE("item=%s, rcItem=%s\n", debuglvitem_t(&item, TRUE), debugrect(&dis.rcItem));
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SendMessageW(hwndParent, WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
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}
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}
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/***
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* DESCRIPTION:
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* Draws listview items when in report display mode.
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*
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* PARAMETER(S):
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* [I] infoPtr : valid pointer to the listview structure
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* [I] HDC : device context handle
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* [I] hdc : device context handle
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* [I] cdmode : custom draw mode
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*
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* RETURN:
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* None
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@ -3266,8 +3344,6 @@ static void LISTVIEW_RefreshReport(LISTVIEW_INFO *infoPtr, HDC hdc, DWORD cdmode
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RECT rcItem, rcClip, rcFullSelect;
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BOOL bFullSelected, isFocused;
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DWORD cditemmode = CDRF_DODEFAULT;
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LONG lStyle = infoPtr->dwStyle;
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UINT uID = GetWindowLongW(infoPtr->hwndSelf, GWL_ID);
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TEXTATTR tmpTa, oldTa;
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COLUMNCACHE *lpCols;
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LVCOLUMNW lvColumn;
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@ -3291,7 +3367,7 @@ static void LISTVIEW_RefreshReport(LISTVIEW_INFO *infoPtr, HDC hdc, DWORD cdmode
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nLast = infoPtr->nItemCount;
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/* send cache hint notification */
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if (lStyle & LVS_OWNERDATA)
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if (infoPtr->dwStyle & LVS_OWNERDATA)
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notify_odcachehint(infoPtr, nItem, nLast);
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/* cache column info */
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@ -3341,45 +3417,6 @@ static void LISTVIEW_RefreshReport(LISTVIEW_INFO *infoPtr, HDC hdc, DWORD cdmode
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/* iterate through the invalidated rows */
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for (; nItem < nLast; nItem++, nDrawPosY += infoPtr->nItemHeight)
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{
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/* if owner wants to take a first stab at it, have it his way... */
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if (lStyle & LVS_OWNERDRAWFIXED)
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{
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DRAWITEMSTRUCT dis;
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TRACE("Owner Drawn\n");
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item.iItem = nItem;
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item.iSubItem = 0;
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item.mask = LVIF_PARAM | LVIF_STATE;
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item.stateMask = LVIS_SELECTED | LVIS_FOCUSED;
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if (!LISTVIEW_GetItemW(infoPtr, &item)) continue;
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ZeroMemory(&dis, sizeof(dis));
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dis.CtlType = ODT_LISTVIEW;
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dis.CtlID = uID;
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dis.itemID = nItem;
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dis.itemAction = ODA_DRAWENTIRE;
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if (item.state & LVIS_SELECTED) dis.itemState |= ODS_SELECTED;
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if (infoPtr->bFocus && (item.state & LVIS_FOCUSED)) dis.itemState |= ODS_FOCUS;
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dis.hwndItem = infoPtr->hwndSelf;
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dis.hDC = hdc;
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dis.rcItem.left = lpCols[0].rc.left;
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dis.rcItem.right = lpCols[nColumnCount - 1].rc.right;
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dis.rcItem.top = nDrawPosY;
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dis.rcItem.bottom = dis.rcItem.top + infoPtr->nItemHeight;
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OffsetRect(&dis.rcItem, ptOrig.x, 0);
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dis.itemData = item.lParam;
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TRACE("item=%s, rcItem=%s\n", debuglvitem_t(&item, TRUE), debugrect(&dis.rcItem));
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SendMessageW(GetParent(infoPtr->hwndSelf), WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
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/* In theory we should do the default drawing if WM_DRAWITEM
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* returns FALSE but, in the words of Larry McVoy, in practice
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* theory is different than practice, and hence there are
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* important apps out there that depend on no default drawing
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* in LVS_OWNERDRAWFIXED. So we always skip to the next item. */
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continue;
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}
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/* compute the full select rectangle, if needed */
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if (bFullSelected)
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{
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@ -3444,7 +3481,8 @@ static void LISTVIEW_RefreshReport(LISTVIEW_INFO *infoPtr, HDC hdc, DWORD cdmode
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*
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* PARAMETER(S):
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* [I] infoPtr : valid pointer to the listview structure
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* [I] HDC : device context handle
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* [I] hdc : device context handle
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* [I] cdmode : custom draw mode
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*
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* RETURN:
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* None
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@ -3501,7 +3539,8 @@ static void LISTVIEW_RefreshList(LISTVIEW_INFO *infoPtr, HDC hdc, DWORD cdmode)
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*
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* PARAMETER(S):
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* [I] infoPtr : valid pointer to the listview structure
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* [I] HDC : device context handle
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* [I] hdc : device context handle
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* [I] cdmode : custom draw mode
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*
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* RETURN:
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* None
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@ -3637,7 +3676,9 @@ static void LISTVIEW_Refresh(LISTVIEW_INFO *infoPtr, HDC hdc)
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/* select font */
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hOldFont = SelectObject(hdc, infoPtr->hFont);
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if (uView == LVS_LIST)
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if (infoPtr->dwStyle & LVS_OWNERDRAWFIXED)
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LISTVIEW_RefreshOwnerDraw(infoPtr, hdc);
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else if (uView == LVS_LIST)
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LISTVIEW_RefreshList(infoPtr, hdc, cdmode);
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else if (uView == LVS_REPORT)
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LISTVIEW_RefreshReport(infoPtr, hdc, cdmode);
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