[gnome-games] gamepad-view: Stop using Rsvg.Handle.(width|height)

[Alexander Mikhaylenko <alexm src gnome org>]

commit 3deeaca451174d13c1cb6c27afcdc27db05d64aa
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Nov 27 12:00:34 2019 +0500

    gamepad-view: Stop using Rsvg.Handle.(width|height)
    
    Fixes https://gitlab.gnome.org/GNOME/gnome-games/issues/219

 src/ui/gamepad-view.vala | 33 +++++++++++++++++++++++++++------
 1 file changed, 27 insertions(+), 6 deletions(-)
---
diff --git a/src/ui/gamepad-view.vala b/src/ui/gamepad-view.vala
index f917f785..9412b4f3 100644
--- a/src/ui/gamepad-view.vala
+++ b/src/ui/gamepad-view.vala
@@ -26,7 +26,10 @@ private class Games.GamepadView : Gtk.DrawingArea {
                                critical ("Could not set up gamepad view: %s", e.message);
                        }
 
-                       set_size_request (handle.width, handle.height);
+                       double width, height;
+                       get_dimensions (out width, out height);
+
+                       set_size_request ((int) width, (int) height);
                        input_highlights = new bool[value.input_paths.length];
 
                        reset ();
@@ -39,6 +42,21 @@ private class Games.GamepadView : Gtk.DrawingArea {
                input_highlights = {};
        }
 
+       private void get_dimensions (out double width, out double height) {
+               bool has_width, has_height, has_viewbox;
+               Rsvg.Length handle_width, handle_height;
+               Rsvg.Rectangle viewbox;
+
+               handle.get_intrinsic_dimensions (out has_width, out handle_width,
+                                                out has_height, out handle_height,
+                                                out has_viewbox, out viewbox);
+
+               assert (has_width && has_height);
+
+               width = handle_width.length;
+               height = handle_height.length;
+       }
+
        public void reset () {
                for (var i = 0; i < input_highlights.length; ++i)
                        input_highlights[i] = false;
@@ -98,12 +116,15 @@ private class Games.GamepadView : Gtk.DrawingArea {
        }
 
        private void calculate_image_dimensions (out double x, out double y, out double scale) {
-               double w = get_allocated_width ();
-               double h = get_allocated_height ();
+               double width = get_allocated_width ();
+               double height = get_allocated_height ();
+
+               double image_width, image_height;
+               get_dimensions (out image_width, out image_height);
 
-               scale = double.min (h / handle.height, w / handle.width);
+               scale = double.min (height / image_height, width / image_width);
 
-               x = (w - handle.width * scale) / 2;
-               y = (h - handle.height * scale) / 2;
+               x = (width - image_width * scale) / 2;
+               y = (height - image_height * scale) / 2;
        }
 }