Fix broken icons on non-GNOME desktops

fontstweak/aliasui.py

@@ -50,6 +50,13 @@ def __init__(self, config, builder, parent):
         self.view_list = builder.get_object('alias-lang-list')
         self.filter = builder.get_object('checkbutton-filter')
         self.localized_name = builder.get_object('checkbutton-localized-name')
+
+        # check if current icon theme supports the symbolic icons
+        add_icon = builder.get_object('toolbutton-add-alias-lang')
+        add_icon.set_icon_name(FontsTweakUtil.check_symbolic(add_icon.get_icon_name()))
+        del_icon = builder.get_object('toolbutton-remove-alias-lang')
+        del_icon.set_icon_name(FontsTweakUtil.check_symbolic(del_icon.get_icon_name()))
+
         try:
             Easyfc.version()
             if len(Easyfc.Font.get_list('en', 'sans-serif', False)) == 0:

fontstweak/chooserui.py

@@ -18,6 +18,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+from util import FontsTweakUtil
+
 class ChooserUI:
 
     def __init__(self, builder, model, filter_func):
@@ -30,6 +32,9 @@ def __init__(self, builder, model, filter_func):
         self.view.set_model(self.filtered_model)
         self.add = builder.get_object('button-add')
 
+        self.filter.set_property('secondary-icon-name',
+                                 FontsTweakUtil.check_symbolic(self.filter.get_property('secondary-icon-name')))
+
     def _set_cursor(self):
         iter = self.filtered_model.get_iter_first()
         path = self.filtered_model.get_path(iter)

fontstweak/langui.py

@@ -39,6 +39,16 @@ def __init__(self, builder, parent):
         self.view.append_column(Gtk.TreeViewColumn(None, Gtk.CellRendererText(), text=0))
         self.view_list = builder.get_object('order-lang-list')
 
+        # check if current icon theme supports the symbolic icons
+        add_icon = builder.get_object('add-lang-order')
+        add_icon.set_icon_name(FontsTweakUtil.check_symbolic(add_icon.get_icon_name()))
+        del_icon = builder.get_object('remove-lang-order')
+        del_icon.set_icon_name(FontsTweakUtil.check_symbolic(del_icon.get_icon_name()))
+        up_icon = builder.get_object('move-up-order')
+        up_icon.set_icon_name(FontsTweakUtil.check_symbolic(up_icon.get_icon_name()))
+        down_icon = builder.get_object('move-down-order')
+        down_icon.set_icon_name(FontsTweakUtil.check_symbolic(down_icon.get_icon_name()))
+
         self.listobj = Gtk.ListStore(GObject.TYPE_STRING, GObject.TYPE_STRING)
 
         self.langlist = FontsTweakUtil.get_language_list(False)

fontstweak/propui.py

@@ -48,6 +48,12 @@ def __init__(self, config, builder, parent):
         self.radio_hinting = builder.get_object('radiobutton-hinting')
         self.radio_autohinting = builder.get_object('radiobutton-autohinting')
 
+        # check if current icon theme supports the symbolic icons
+        add_icon = builder.get_object('add-font')
+        add_icon.set_icon_name(FontsTweakUtil.check_symbolic(add_icon.get_icon_name()))
+        del_icon = builder.get_object('remove-font')
+        del_icon.set_icon_name(FontsTweakUtil.check_symbolic(del_icon.get_icon_name()))
+
         self.listobj = Gtk.ListStore(GObject.TYPE_STRING)
         fonts = Easyfc.Font.get_list(None, None, False)
         if len(fonts) == 0:

fontstweak/util.py

@@ -82,3 +82,11 @@ def get_language_list(self, default):
             dict[lang] = string.join(tokens[3:], ' ')
 
         return dict
+
+    @classmethod
+    def check_symbolic(self, name):
+        theme = Gtk.IconTheme.get_default()
+        if not theme.has_icon(name):
+            return name.replace('-symbolic', '')
+        return name
+