Zhiyi Zhang : win32u: Support HiDPI for the non-client close button in WS_EX_TOOLWINDOW windows.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 2f094cbfe6439fe6c5e2860ac4254bcbe54ac72f
URL:    https://gitlab.winehq.org/wine/wine/-/commit/2f094cbfe6439fe6c5e2860ac4254bc...

Author: Zhiyi Zhang <zzhang(a)codeweavers.com>
Date:   Thu Mar 14 12:27:02 2024 +0800

win32u: Support HiDPI for the non-client close button in WS_EX_TOOLWINDOW windows.

---

 dlls/win32u/defwnd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/win32u/defwnd.c b/dlls/win32u/defwnd.c
index cf3af86d161..744f4527dc6 100644
--- a/dlls/win32u/defwnd.c
+++ b/dlls/win32u/defwnd.c
@@ -1462,8 +1462,8 @@ static void draw_close_button( HWND hwnd, HDC hdc, BOOL down, BOOL grayed )
     {
         /* Windows does not use SM_CXSMSIZE and SM_CYSMSIZE
          * it uses 11x11 for  the close button in tool window */
-        const int bmp_height = 11;
-        const int bmp_width = 11;
+        int bmp_height = muldiv( 11, get_dpi_for_window( hwnd ), 96 );
+        int bmp_width = bmp_height;
         int caption_height = get_system_metrics( SM_CYSMCAPTION );
 
         rect.top = rect.top + (caption_height - 1 - bmp_height) / 2;