Alexandros Frantzis : win32u: Assume thread dpi for rect in NtUserIsWindowRectFullScreen.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a75e2b49ca3446045639e933202d71ecdf217095
URL:    https://gitlab.winehq.org/wine/wine/-/commit/a75e2b49ca3446045639e933202d71e...

Author: Alexandros Frantzis 
Date:   Tue Nov 14 10:11:15 2023 +0200

win32u: Assume thread dpi for rect in NtUserIsWindowRectFullScreen.

Assume that the window rect passed NtUserIsWindowRectFullScreen is
expressed in terms of thread dpi and convert monitor rects accordingly
for proper matching.

---

dlls/win32u/sysparams.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/dlls/win32u/sysparams.c b/dlls/win32u/sysparams.c
index 4f2a299dd16..b134c5af680 100644
--- a/dlls/win32u/sysparams.c
+++ b/dlls/win32u/sysparams.c
@@ -2327,11 +2327,16 @@ static BOOL is_window_rect_full_screen( const RECT *rect )

LIST_FOR_EACH_ENTRY( monitor, &monitors, struct monitor, entry )
     {
+        RECT monrect;
+
         if (!(monitor->dev.state_flags & DISPLAY_DEVICE_ACTIVE))
             continue;

-        if (rect->left <= monitor->rc_monitor.left && rect->right >= monitor->rc_monitor.right &&
-            rect->top <= monitor->rc_monitor.top && rect->bottom >= monitor->rc_monitor.bottom)
+        monrect = map_dpi_rect( monitor->rc_monitor, get_monitor_dpi( monitor->handle ),
+                                get_thread_dpi() );
+
+        if (rect->left <= monrect.left && rect->right >= monrect.right &&
+            rect->top <= monrect.top && rect->bottom >= monrect.bottom)
         {
             ret = TRUE;
             break;