[gnome-mines] Avoid unnecessary icon regeneration.

[Robert Roth <robertroth src gnome org>]

commit 9b20700b752e5d86f5a6adb8fc9439431e0aaf79
Author: Yanko Kaneti <yaneti declera com>
Date:   Wed Oct 10 19:08:43 2018 +0300

    Avoid unnecessary icon regeneration.
    
    Leave the gtk css engine to handle the icon redraw
    on theme change

 src/gnome-mines.vala           |  2 --
 src/minefield-view.vala        |  8 --------
 src/theme-selector-dialog.vala |  3 ---
 src/tile.vala                  | 11 -----------
 4 files changed, 24 deletions(-)
---
diff --git a/src/gnome-mines.vala b/src/gnome-mines.vala
index 6c53b62..e14a6ff 100644
--- a/src/gnome-mines.vala
+++ b/src/gnome-mines.vala
@@ -157,8 +157,6 @@ public class Mines : Gtk.Application
 
         if (theme_dialog != null)
             theme_dialog.queue_draw ();
-        if (minefield_view != null)
-            minefield_view.refresh ();
     }
 
     protected override void startup ()
diff --git a/src/minefield-view.vala b/src/minefield-view.vala
index 35bf876..1ec1672 100644
--- a/src/minefield-view.vala
+++ b/src/minefield-view.vala
@@ -527,14 +527,6 @@ public class MinefieldView : Gtk.Grid
         return true;
     }
 
-    public void refresh ()
-    {
-        if (_minefield != null)
-            for (int i = 0; i < _minefield.width; i++)
-                for (int j = 0; j < _minefield.height; j++)
-                    mines[i,j].refresh_icon ();
-    }
-
     public override bool key_release_event (Gdk.EventKey event)
     {
         if (event.keyval != Gdk.Key.space)
diff --git a/src/theme-selector-dialog.vala b/src/theme-selector-dialog.vala
index b804abf..2eb86a4 100644
--- a/src/theme-selector-dialog.vala
+++ b/src/theme-selector-dialog.vala
@@ -158,19 +158,16 @@ public class ThemeSelectorDialog : Gtk.Dialog
         next.clicked.connect (() => {
             switch_theme_preview (++current_index, themes);
             update_sensitivities (themes, current_index);
-            minefield.refresh ();
         });
 
         previous.clicked.connect (() => {
             switch_theme_preview (--current_index, themes);
             update_sensitivities (themes, current_index);
-            minefield.refresh ();
         });
 
         set_size_request (420, 400);
         update_sensitivities (themes, current_index);
         show_all ();
-        minefield.refresh ();
     }
 
     private void switch_theme_preview (int to_index, List<string> themes)
diff --git a/src/tile.vala b/src/tile.vala
index e9e6acf..3c5d809 100644
--- a/src/tile.vala
+++ b/src/tile.vala
@@ -21,17 +21,6 @@ public class Tile : Gtk.Button
         get { return _column; }
     }
 
-    public void refresh_icon ()
-    {
-        string name;
-        Gtk.IconSize size;
-        scaling_image.get_icon_name (out name, out size);
-        scaling_image.clear ();
-        scaling_image.set_from_icon_name (name, size);
-        scaling_image.set_pixel_size (get_allocated_height ()/3*2);
-        set_image (scaling_image);
-    }
-
     public Tile (int prow, int pcol)
     {
         _row = prow;