columnview: Fix some issues with column resizing

Ensure that we place the resize rectangle at the visible
right edge of the column, not where the allocation ends
(we clip the header drawing, after all).

Related: #3274

diff --git a/gtk/gtkcolumnview.c b/gtk/gtkcolumnview.c
index d2b73fe1053703f5a7e3fe4776498645741ca5d4..f983f7c03b5617d8e17dd1bef736be3b2bf23d08 100644 (file)
--- a/gtk/gtkcolumnview.c
+++ b/gtk/gtkcolumnview.c
@@ -862,12 +862,16 @@ gtk_column_view_in_resize_rect (GtkColumnView       *self,
 {
   GtkWidget *header;
   graphene_rect_t rect;
+  int width;
 
   header = gtk_column_view_column_get_header (column);
 
   if (!gtk_widget_compute_bounds (header, self->header, &rect))
     return FALSE;
 
+  gtk_column_view_column_get_allocation (column, NULL, &width);
+  rect.size.width = width;
+
   rect.origin.x += rect.size.width - DRAG_WIDTH / 2;
   rect.size.width = DRAG_WIDTH;