[PATCH 1/1] winex11: Reset empty window shape even without a window surface.

[Rémi Bernon]

From: Rémi Bernon

And invalidate the window surface shape if any, so that it gets updated
again in update_surface_region if the window is actually shaped.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=56972
---
 dlls/winex11.drv/bitblt.c |  3 ---
 dlls/winex11.drv/window.c | 32 ++++++++++++++++++++------------
 2 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/dlls/winex11.drv/bitblt.c b/dlls/winex11.drv/bitblt.c
index 780b565b744..8c3e4f54437 100644
--- a/dlls/winex11.drv/bitblt.c
+++ b/dlls/winex11.drv/bitblt.c
@@ -1946,9 +1946,6 @@ static struct window_surface *create_surface( HWND hwnd, Window window, const XV
     surface->window = window;
     surface->gc = XCreateGC( gdi_display, window, 0, NULL );
     XSetSubwindowMode( gdi_display, surface->gc, IncludeInferiors );
-#ifdef HAVE_LIBXSHAPE
-    XShapeCombineMask( gdi_display, surface->window, ShapeBounding, 0, 0, None, ShapeSet );
-#endif

TRACE( "created %p for %lx %s image %p\n", surface, window, wine_dbgstr_rect(rect), surface->image->ximage->data );

diff --git a/dlls/winex11.drv/window.c b/dlls/winex11.drv/window.c
index 5135355abfe..98cb7952164 100644
--- a/dlls/winex11.drv/window.c
+++ b/dlls/winex11.drv/window.c
@@ -374,6 +374,23 @@ static void sync_window_style( struct x11drv_win_data *data )
     }
 }

+static void sync_empty_window_shape( struct x11drv_win_data *data )
+{
+#ifdef HAVE_LIBXSHAPE
+    if (IsRectEmpty( &data->window_rect ))  /* set an empty shape */
+    {
+        static XRectangle empty_rect;
+        XShapeCombineRectangles( data->display, data->whole_window, ShapeBounding, 0, 0,
+                                 &empty_rect, 1, ShapeSet, YXBanded );
+    }
+    else
+    {
+        XShapeCombineMask( gdi_display, data->whole_window, ShapeBounding, 0, 0, None, ShapeSet );
+        /* invalidate surface shape to make sure it gets updated again */
+        if (data->surface) window_surface_set_shape( data->surface, 0 );
+    }
+#endif
+}

/***********************************************************************
  *              sync_window_region
@@ -386,16 +403,6 @@ static void sync_window_region( struct x11drv_win_data *data, HRGN win_region )
     HRGN hrgn = win_region;

if (!data->whole_window) return;
-
-    if (IsRectEmpty( &data->window_rect ))  /* set an empty shape */
-    {
-        static XRectangle empty_rect;
-        data->shaped = FALSE;
-        XShapeCombineRectangles( data->display, data->whole_window, ShapeBounding, 0, 0,
-                                 &empty_rect, 1, ShapeSet, YXBanded );
-        return;
-    }
-
     if (data->surface) return; /* use surface shape instead */
     data->shaped = FALSE;

@@ -1434,7 +1441,7 @@ static void sync_window_position( struct x11drv_win_data *data,
     XReconfigureWMWindow( data->display, data->whole_window, data->vis.screen, mask, &changes );
 #ifdef HAVE_LIBXSHAPE
     if (IsRectEmpty( old_window_rect ) != IsRectEmpty( &data->window_rect ))
-        sync_window_region( data, (HRGN)1 );
+        sync_empty_window_shape( data );
     if (data->shaped)
     {
         int old_x_offset = old_window_rect->left - old_whole_rect->left;
@@ -1789,7 +1796,8 @@ static void create_whole_window( struct x11drv_win_data *data )
     sync_window_text( data->display, data->whole_window, text );

/* set the window region */
-    if (win_rgn || IsRectEmpty( &data->window_rect )) sync_window_region( data, win_rgn );
+    if (IsRectEmpty( &data->window_rect )) sync_empty_window_shape( data );
+    else if (win_rgn) sync_window_region( data, win_rgn );

/* set the window opacity */
     if (!NtUserGetLayeredWindowAttributes( data->hwnd, &key, &alpha, &layered_flags )) layered_flags = 0;