[PATCH 2/5] comctl32/hotkey: Implement themed frame painting.
Zhiyi Zhang
zzhang at codeweavers.com
Thu Mar 4 02:47:27 CST 2021
Signed-off-by: Zhiyi Zhang <zzhang at codeweavers.com>
---
dlls/comctl32/hotkey.c | 48 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/dlls/comctl32/hotkey.c b/dlls/comctl32/hotkey.c
index 58717a2a493..7421ff6ef65 100644
--- a/dlls/comctl32/hotkey.c
+++ b/dlls/comctl32/hotkey.c
@@ -37,6 +37,7 @@
#include "winnls.h"
#include "commctrl.h"
#include "comctl32.h"
+#include "uxtheme.h"
#include "wine/debug.h"
#include "wine/heap.h"
@@ -423,6 +424,50 @@ HOTKEY_NCCreate (HWND hwnd, const CREATESTRUCTW *lpcs)
return DefWindowProcW (infoPtr->hwndSelf, WM_NCCREATE, 0, (LPARAM)lpcs);
}
+static LRESULT
+HOTKEY_NCPaint (HWND hwnd, HRGN region)
+{
+ INT cxEdge, cyEdge;
+ HRGN clipRgn;
+ HTHEME theme;
+ LONG exStyle;
+ RECT r;
+ HDC dc;
+
+ theme = OpenThemeData(NULL, WC_EDITW);
+ if (!theme)
+ return DefWindowProcW(hwnd, WM_NCPAINT, (WPARAM)region, 0);
+
+ exStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
+ if (!(exStyle & WS_EX_CLIENTEDGE))
+ {
+ CloseThemeData(theme);
+ return DefWindowProcW(hwnd, WM_NCPAINT, (WPARAM)region, 0);
+ }
+
+ cxEdge = GetSystemMetrics(SM_CXEDGE);
+ cyEdge = GetSystemMetrics(SM_CYEDGE);
+ GetWindowRect(hwnd, &r);
+
+ /* New clipping region passed to default proc to exclude border */
+ clipRgn = CreateRectRgn(r.left + cxEdge, r.top + cyEdge, r.right - cxEdge, r.bottom - cyEdge);
+ if (region != (HRGN)1)
+ CombineRgn(clipRgn, clipRgn, region, RGN_AND);
+ OffsetRect(&r, -r.left, -r.top);
+
+ dc = GetDCEx(hwnd, region, DCX_WINDOW | DCX_INTERSECTRGN);
+ if (IsThemeBackgroundPartiallyTransparent(theme, 0, 0))
+ DrawThemeParentBackground(hwnd, dc, &r);
+ DrawThemeBackground(theme, dc, 0, 0, &r, 0);
+ ReleaseDC(hwnd, dc);
+ CloseThemeData(theme);
+
+ /* Call default proc to get the scrollbars etc. also painted */
+ DefWindowProcW(hwnd, WM_NCPAINT, (WPARAM)clipRgn, 0);
+ DeleteObject(clipRgn);
+ return 0;
+}
+
static LRESULT
HOTKEY_SetFocus (HOTKEY_INFO *infoPtr)
{
@@ -516,6 +561,9 @@ HOTKEY_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
case WM_NCCREATE:
return HOTKEY_NCCreate (hwnd, (LPCREATESTRUCTW)lParam);
+ case WM_NCPAINT:
+ return HOTKEY_NCPaint (hwnd, (HRGN)wParam);
+
case WM_PRINTCLIENT:
case WM_PAINT:
HOTKEY_Paint(infoPtr, (HDC)wParam);
--
2.27.0
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