[gtk/abolish-size-allocate: 6/10] gtk-demo: Use GtkDrawingArea::resize

[Matthias Clasen <matthiasc src gnome org>]

commit 040c221820496c86d73f12b9da19e9e90bf2cc47
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue May 5 11:53:25 2020 -0400

    gtk-demo: Use GtkDrawingArea::resize
    
    This signal is a replacement for this (ab)use
    of ::size-allocate.

 demos/gtk-demo/drawingarea.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/demos/gtk-demo/drawingarea.c b/demos/gtk-demo/drawingarea.c
index dd7380b63c..5404f53a1c 100644
--- a/demos/gtk-demo/drawingarea.c
+++ b/demos/gtk-demo/drawingarea.c
@@ -42,7 +42,9 @@ create_surface (GtkWidget *widget)
 }
 
 static void
-scribble_size_allocate (GtkWidget *widget)
+scribble_resize (GtkWidget *widget,
+                 int        width,
+                 int        height)
 {
   create_surface (widget);
 }
@@ -242,8 +244,8 @@ do_drawingarea (GtkWidget *do_widget)
       gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (da), scribble_draw, NULL, NULL);
       gtk_frame_set_child (GTK_FRAME (frame), da);
 
-      g_signal_connect (da, "size-allocate",
-                        G_CALLBACK (scribble_size_allocate), NULL);
+      g_signal_connect (da, "resize",
+                        G_CALLBACK (scribble_resize), NULL);
 
       drag = gtk_gesture_drag_new ();
       gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (drag), GDK_BUTTON_PRIMARY);