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comctl32: Initialize himlState list in TREEVIEW_Paint when TVS_CHECKBOXES flag is set.

This commit is contained in:
Piotr Caban 2013-10-31 17:27:40 +01:00 committed by Alexandre Julliard
parent 60ef62c8c2
commit 40648ddfd5
1 changed files with 68 additions and 55 deletions
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123
dlls/comctl32/treeview.c
View File

@ -2943,6 +2943,62 @@ TREEVIEW_Invalidate(const TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *item)
InvalidateRect(infoPtr->hwnd, NULL, TRUE);
}
static void
TREEVIEW_InitCheckboxes(TREEVIEW_INFO *infoPtr)
{
RECT rc;
HBITMAP hbm, hbmOld;
HDC hdc, hdcScreen;
int nIndex;
infoPtr->himlState = ImageList_Create(16, 16, ILC_COLOR | ILC_MASK, 3, 0);
hdcScreen = GetDC(0);
hdc = CreateCompatibleDC(hdcScreen);
hbm = CreateCompatibleBitmap(hdcScreen, 48, 16);
hbmOld = SelectObject(hdc, hbm);
SetRect(&rc, 0, 0, 48, 16);
FillRect(hdc, &rc, (HBRUSH)(COLOR_WINDOW+1));
SetRect(&rc, 18, 2, 30, 14);
DrawFrameControl(hdc, &rc, DFC_BUTTON,
DFCS_BUTTONCHECK|DFCS_FLAT);
SetRect(&rc, 34, 2, 46, 14);
DrawFrameControl(hdc, &rc, DFC_BUTTON,
DFCS_BUTTONCHECK|DFCS_FLAT|DFCS_CHECKED);
SelectObject(hdc, hbmOld);
nIndex = ImageList_AddMasked(infoPtr->himlState, hbm,
comctl32_color.clrWindow);
TRACE("checkbox index %d\n", nIndex);
DeleteObject(hbm);
DeleteDC(hdc);
ReleaseDC(0, hdcScreen);
infoPtr->stateImageWidth = 16;
infoPtr->stateImageHeight = 16;
}
static void
TREEVIEW_ResetImageStateIndex(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
{
TREEVIEW_ITEM *child = item->firstChild;
item->state &= ~TVIS_STATEIMAGEMASK;
item->state |= INDEXTOSTATEIMAGEMASK(1);
while (child)
{
TREEVIEW_ITEM *next = child->nextSibling;
TREEVIEW_ResetImageStateIndex(infoPtr, child);
child = next;
}
}
static LRESULT
TREEVIEW_Paint(TREEVIEW_INFO *infoPtr, HDC hdc_ref)
{
@ -2952,6 +3008,17 @@ TREEVIEW_Paint(TREEVIEW_INFO *infoPtr, HDC hdc_ref)
TRACE("(%p %p)\n", infoPtr, hdc_ref);
if ((infoPtr->dwStyle & TVS_CHECKBOXES) && !infoPtr->himlState)
{
TREEVIEW_InitCheckboxes(infoPtr);
TREEVIEW_ResetImageStateIndex(infoPtr, infoPtr->root);
TREEVIEW_EndEditLabelNow(infoPtr, TRUE);
TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
TREEVIEW_UpdateScrollBars(infoPtr);
TREEVIEW_Invalidate(infoPtr, NULL);
}
if (hdc_ref)
{
hdc = hdc_ref;
@ -4972,46 +5039,6 @@ TREEVIEW_MouseWheel(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
/* Create/Destroy *******************************************************/
static void
TREEVIEW_InitCheckboxes(TREEVIEW_INFO *infoPtr)
{
RECT rc;
HBITMAP hbm, hbmOld;
HDC hdc, hdcScreen;
int nIndex;
infoPtr->himlState = ImageList_Create(16, 16, ILC_COLOR | ILC_MASK, 3, 0);
hdcScreen = GetDC(0);
hdc = CreateCompatibleDC(hdcScreen);
hbm = CreateCompatibleBitmap(hdcScreen, 48, 16);
hbmOld = SelectObject(hdc, hbm);
SetRect(&rc, 0, 0, 48, 16);
FillRect(hdc, &rc, (HBRUSH)(COLOR_WINDOW+1));
SetRect(&rc, 18, 2, 30, 14);
DrawFrameControl(hdc, &rc, DFC_BUTTON,
DFCS_BUTTONCHECK|DFCS_FLAT);
SetRect(&rc, 34, 2, 46, 14);
DrawFrameControl(hdc, &rc, DFC_BUTTON,
DFCS_BUTTONCHECK|DFCS_FLAT|DFCS_CHECKED);
SelectObject(hdc, hbmOld);
nIndex = ImageList_AddMasked(infoPtr->himlState, hbm,
comctl32_color.clrWindow);
TRACE("checkbox index %d\n", nIndex);
DeleteObject(hbm);
DeleteDC(hdc);
ReleaseDC(0, hdcScreen);
infoPtr->stateImageWidth = 16;
infoPtr->stateImageHeight = 16;
}
static LRESULT
TREEVIEW_Create(HWND hwnd, const CREATESTRUCTW *lpcs)
{
@ -5451,21 +5478,6 @@ TREEVIEW_Size(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
return 0;
}
static void TREEVIEW_ResetImageStateIndex(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
{
TREEVIEW_ITEM *child = item->firstChild;
item->state &= ~TVIS_STATEIMAGEMASK;
item->state |= INDEXTOSTATEIMAGEMASK(1);
while (child)
{
TREEVIEW_ITEM *next = child->nextSibling;
TREEVIEW_ResetImageStateIndex(infoPtr, child);
child = next;
}
}
static LRESULT
TREEVIEW_StyleChanged(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
@ -5509,6 +5521,7 @@ TREEVIEW_StyleChanged(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
infoPtr->dwStyle = dwNewStyle;
}
TREEVIEW_EndEditLabelNow(infoPtr, TRUE);
TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
TREEVIEW_UpdateScrollBars(infoPtr);
TREEVIEW_Invalidate(infoPtr, NULL);