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comctl32/listview: Introduce a way to update cached column rectangles from Header.

This commit is contained in:
Nikolay Sivov 2009-08-04 00:30:08 +04:00 committed by Alexandre Julliard
parent 6f723508e5
commit 9576fb1836
1 changed files with 17 additions and 0 deletions
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17
dlls/comctl32/listview.c
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@ -290,6 +290,7 @@ typedef struct tagLISTVIEW_INFO
HDPA hdpaPosX; /* maintains the (X, Y) coordinates of the */
HDPA hdpaPosY; /* items in LVS_ICON, and LVS_SMALLICON modes */
HDPA hdpaColumns; /* array of COLUMN_INFO pointers */
BOOL colRectsDirty; /* trigger column rectangles requery from header */
POINT currIconPos; /* this is the position next icon will be placed */
PFNLVCOMPARE pfnCompare;
LPARAM lParamSort;
@ -1483,6 +1484,21 @@ static inline COLUMN_INFO * LISTVIEW_GetColumnInfo(const LISTVIEW_INFO *infoPtr,
if (nSubItem == 0 && DPA_GetPtrCount(infoPtr->hdpaColumns) == 0) return &mainItem;
assert (nSubItem >= 0 && nSubItem < DPA_GetPtrCount(infoPtr->hdpaColumns));
/* update cached column rectangles */
if (infoPtr->colRectsDirty)
{
COLUMN_INFO *info;
LISTVIEW_INFO *Ptr = (LISTVIEW_INFO*)infoPtr;
INT i;
for (i = 0; i < DPA_GetPtrCount(infoPtr->hdpaColumns); i++) {
info = DPA_GetPtr(infoPtr->hdpaColumns, i);
SendMessageW(infoPtr->hwndHeader, HDM_GETITEMRECT, i, (LPARAM)&info->rcHeader);
}
Ptr->colRectsDirty = FALSE;
}
return DPA_GetPtr(infoPtr->hdpaColumns, nSubItem);
}
@ -8643,6 +8659,7 @@ static LRESULT LISTVIEW_NCCreate(HWND hwnd, const CREATESTRUCTW *lpcs)
infoPtr->xTrackLine = -1; /* no track line */
infoPtr->itemEdit.fEnabled = FALSE;
infoPtr->iVersion = COMCTL32_VERSION;
infoPtr->colRectsDirty = FALSE;
/* get default font (icon title) */
SystemParametersInfoW(SPI_GETICONTITLELOGFONT, 0, &logFont, 0);