win32u: Skip detached monitors in is_window_rect_full_screen().

Fix a regression from ee405dd8. After ee405dd8, is_window_rect_full_screen() may compare window rectangles against the empty rectangles of detached monitors. For example, is_window_rect_full_screen() can incorrectly return TRUE for a (0, 0, 1, 1) rectangle because 0 <= 0 && 1 >= 0 && 0 <= 0 && 1 >= 0 is true.

win32u: Skip detached monitors in is_window_rect_full_screen().
00ae070c · Zhiyi Zhang · Alexandre Julliard · 5d21966b · 00ae070c
Commit 00ae070c authored Nov 02, 2022 by Zhiyi Zhang Committed by Alexandre Julliard Nov 02, 2022
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sysparams.c dlls/win32u/sysparams.c +3 -0

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--- a/dlls/win32u/sysparams.c
+++ b/dlls/win32u/sysparams.c
@@ -1846,6 +1846,9 @@ static BOOL is_window_rect_full_screen( const RECT *rect )

    LIST_FOR_EACH_ENTRY( monitor, &monitors, struct monitor, entry )
    {
+        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)
        {