Use bigger logo image in about dialog, if available in icon theme

Code taken from GTK3 about dialog

1 files changed, 28 insertions, 0 deletions

diff --git a/libmate-desktop/mate-aboutdialog.c b/libmate-desktop/mate-aboutdialog.c
index 0ef99c5..f2a8a24 100644
--- a/libmate-desktop/mate-aboutdialog.c
+++ b/libmate-desktop/mate-aboutdialog.c
@@ -1671,8 +1671,36 @@ mate_about_dialog_set_logo_icon_name (MateAboutDialog *about,
   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
     g_object_notify (G_OBJECT (about), "logo");
 
+  gint *sizes = gtk_icon_theme_get_icon_sizes (gtk_icon_theme_get_default (),
+                                               icon_name);
+  gint i, best_size = 0;
+
+  for (i = 0; sizes[i]; i++)
+    {
+      if (sizes[i] >= 128 || sizes[i] == -1)
+        {
+          best_size = 128;
+          break;
+        }
+      else if (sizes[i] >= 96)
+        {
+          best_size = MAX (96, best_size);
+        }
+      else if (sizes[i] >= 64)
+        {
+          best_size = MAX (64, best_size);
+        }
+      else
+        {
+          best_size = MAX (48, best_size);
+        }
+    }
+  g_free (sizes);
+
   gtk_image_set_from_icon_name (GTK_IMAGE (priv->logo_image), icon_name,
                                 GTK_ICON_SIZE_DIALOG);
+  gtk_image_set_pixel_size (GTK_IMAGE (priv->logo_image), best_size);
+
   g_object_notify (G_OBJECT (about), "logo-icon-name");
 
   g_object_thaw_notify (G_OBJECT (about));