win32u: Don't clip captured mouse pointer if it's done by the system.

We have similar checks in X11DRV_SetCapture for example, where this would have been moved before the merge to win32u. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55231Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>

win32u: Don't clip captured mouse pointer if it's done by the system.
19d2dc0d · Gabriel Ivăncescu · Alexandre Julliard · fddb7977 · 19d2dc0d
Commit 19d2dc0d authored Jul 27, 2023 by Gabriel Ivăncescu Committed by Alexandre Julliard Jul 31, 2023
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input.c dlls/win32u/input.c +8 -1

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--- a/dlls/win32u/input.c
+++ b/dlls/win32u/input.c
@@ -2461,6 +2461,13 @@ BOOL WINAPI NtUserIsMouseInPointerEnabled(void)
    return FALSE;
 }

+static BOOL is_captured_by_system(void)
+{
+    GUITHREADINFO info;
+    info.cbSize = sizeof(info);
+    return NtUserGetGUIThreadInfo( GetCurrentThreadId(), &info ) && info.hwndCapture && (info.flags & (GUI_INMOVESIZE | GUI_INMENUMODE));
+}
+
 /***********************************************************************
 *      clip_fullscreen_window
 *
@@ -2486,7 +2493,7 @@ BOOL clip_fullscreen_window( HWND hwnd, BOOL reset )

    if (!NtUserGetWindowRect( hwnd, &rect )) return FALSE;
    if (!NtUserIsWindowRectFullScreen( &rect )) return FALSE;
-    if (get_capture()) return FALSE;
+    if (is_captured_by_system()) return FALSE;
    if (NtGetTickCount() - thread_info->clipping_reset < 1000) return FALSE;
    if (!reset && clipping_cursor && thread_info->clipping_cursor) return FALSE;  /* already clipping */