comctl32: Use OpenThemeDataForDpi() to create a theme handle not associated to a window.

If a window is not passed to OpenThemeData(), OpenThemeData() assumes the DPI is 96 according to tests. And GetThemePartSize() should select theme parts according to the DPI stored in theme handles rather than using GDI device contexts. Thus, OpenThemeDataForDpi() should be used in place of OpenThemeData() when DPI is not 96 and theme handles shouldn't be associated with a window. Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

comctl32: Use OpenThemeDataForDpi() to create a theme handle not associated to a window.
7be103bb · Zhiyi Zhang · Alexandre Julliard · 615a90e2 · 7be103bb · 7be103bb
Commit 7be103bb authored Sep 01, 2021 by Zhiyi Zhang Committed by Alexandre Julliard Sep 01, 2021
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Showing with 4 additions and 4 deletions

datetime.c dlls/comctl32/datetime.c +1 -1

hotkey.c dlls/comctl32/hotkey.c +1 -1

toolbar.c dlls/comctl32/toolbar.c +2 -2

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--- a/dlls/comctl32/datetime.c
+++ b/dlls/comctl32/datetime.c
@@ -1317,7 +1317,7 @@ static LRESULT DATETIME_NCPaint (HWND hwnd, HRGN region)
    RECT r;
    HDC dc;

-    theme = OpenThemeData(NULL, WC_EDITW);
+    theme = OpenThemeDataForDpi(NULL, WC_EDITW, GetDpiForWindow(hwnd));
    if (!theme)
        return DefWindowProcW(hwnd, WM_NCPAINT, (WPARAM)region, 0);


--- a/dlls/comctl32/hotkey.c
+++ b/dlls/comctl32/hotkey.c
@@ -434,7 +434,7 @@ HOTKEY_NCPaint (HWND hwnd, HRGN region)
    RECT r;
    HDC dc;

-    theme = OpenThemeData(NULL, WC_EDITW);
+    theme = OpenThemeDataForDpi(NULL, WC_EDITW, GetDpiForWindow(hwnd));
    if (!theme)
        return DefWindowProcW(hwnd, WM_NCPAINT, (WPARAM)region, 0);


--- a/dlls/comctl32/toolbar.c
+++ b/dlls/comctl32/toolbar.c
@@ -5313,7 +5313,7 @@ TOOLBAR_Create (HWND hwnd, const CREATESTRUCTW *lpcs)

    SystemParametersInfoW (SPI_GETICONTITLELOGFONT, 0, &logFont, 0);
    infoPtr->hFont = infoPtr->hDefaultFont = CreateFontIndirectW (&logFont);
-    infoPtr->hTheme = OpenThemeData (NULL, themeClass);
+    infoPtr->hTheme = OpenThemeDataForDpi (NULL, themeClass, GetDpiForWindow (hwnd));

    TOOLBAR_CheckStyle (infoPtr);

@@ -6550,7 +6550,7 @@ TOOLBAR_SysColorChange (void)
 static LRESULT theme_changed (TOOLBAR_INFO *infoPtr)
 {
    CloseThemeData (infoPtr->hTheme);
-    infoPtr->hTheme = OpenThemeData (NULL, themeClass);
+    infoPtr->hTheme = OpenThemeDataForDpi (NULL, themeClass, GetDpiForWindow (infoPtr->hwndSelf));
    InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
    return 0;
 }