[gnome-games/wip/exalm/thumbnails: 1/3] game-thumbnail: Account for box-shadow when clipping

[Alexander Mikhaylenko <alexm src gnome org>]

commit 14a79a7dba160aa9c37cd476c66d541984e5f9f6
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Thu Jun 4 17:37:31 2020 +0500

    game-thumbnail: Account for box-shadow when clipping
    
    This will allow to have outset box-shadow later.

 src/ui/game-thumbnail.vala | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
---
diff --git a/src/ui/game-thumbnail.vala b/src/ui/game-thumbnail.vala
index de893cd9..67810877 100644
--- a/src/ui/game-thumbnail.vala
+++ b/src/ui/game-thumbnail.vala
@@ -63,6 +63,20 @@ private class Games.GameThumbnail : Gtk.DrawingArea {
                minimum_height = natural_height = width;
        }
 
+       public override void size_allocate (Gtk.Allocation alloc) {
+               var context = get_style_context ();
+               var clip = context.render_background_get_clip (
+                       alloc.x,
+                       alloc.y,
+                       alloc.width,
+                       alloc.height
+               );
+
+               base.size_allocate (alloc);
+
+               set_clip (clip);
+       }
+
        public override bool draw (Cairo.Context cr) {
                var style = get_style_context ();
                var state = get_state_flags ();