textview: clip to text window when drawing

When drawing the GtkTextView text, we need to clip to the visible area
so that we do not risk drawing under the border windows.

diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c
index 4568e735feffb8c5aa2aa7e1236d8bd1a48c8dfc..dbf89dfa8486de47a85522686234e428c787cd67 100644 (file)
--- a/gtk/gtktextview.c
+++ b/gtk/gtktextview.c
@@ -5403,6 +5403,12 @@ draw_text (GtkWidget   *widget,
       gtk_snapshot_translate (snapshot, &translate);
     }
 
+  gtk_snapshot_push_clip (snapshot,
+                          &GRAPHENE_RECT_INIT (0,
+                                               0,
+                                               SCREEN_WIDTH (widget),
+                                               SCREEN_HEIGHT (widget)));
+
   context = gtk_widget_get_style_context (widget);
   gtk_style_context_save_to_node (context, text_view->priv->text_window->css_node);
   gtk_snapshot_render_background (snapshot, context,
@@ -5433,6 +5439,8 @@ draw_text (GtkWidget   *widget,
       gtk_snapshot_restore (snapshot);
     }
 
+  gtk_snapshot_pop (snapshot);
+
   if (translate.x || translate.y)
     gtk_snapshot_restore (snapshot);
 }