[shotwell/wip/gtk4] Replace resize event

[Jens Georg <jensgeorg src gnome org>]

commit 9c7d70d88232e20a2fe22a7054dcee9c7fbfe259
Author: Jens Georg <mail jensge org>
Date:   Sun Apr 10 00:18:57 2022 +0200

    Replace resize event

 src/PhotoPage.vala | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/src/PhotoPage.vala b/src/PhotoPage.vala
index d2eb7d96..b4d1f058 100644
--- a/src/PhotoPage.vala
+++ b/src/PhotoPage.vala
@@ -437,7 +437,9 @@ public abstract class EditingHostPage : SinglePhotoPage {
         
         // the viewport can change size independent of the window being resized (when the searchbar
         // disappears, for example)
-        //viewport.resize.connect(on_viewport_resized);
+        viewport.notify["default-height"].connect(on_viewport_resized);
+        viewport.notify["default-width"].connect(on_viewport_resized);
+        viewport.notify["maximized"].connect(on_viewport_resized);
         
         // set up page's toolbar (used by AppWindow for layout and FullscreenWindow as a popup)
         var toolbar = get_toolbar();