extracting themes with tar

app/ui/dialogs.glade

@@ -3,7 +3,7 @@
 
 The MIT License (MIT)
 
-Copyright (c) 2018 Dmitriy Yefremov
+Copyright (c) 2018-2020 Dmitriy Yefremov
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -31,7 +31,7 @@ Author: Dmitriy Yefremov
   <!-- interface-license-type mit -->
   <!-- interface-name DemonEditor -->
   <!-- interface-description Enigma2 channel and satellites list editor for MacOS. -->
-  <!-- interface-copyright 2018 Dmitriy Yefremov -->
+  <!-- interface-copyright 2018-2020 Dmitriy Yefremov -->
   <!-- interface-authors Dmitriy Yefremov -->
   <object class="GtkAboutDialog" id="about_dialog">
     <property name="can_focus">False</property>
@@ -45,7 +45,7 @@ Author: Dmitriy Yefremov
 </property>
     <property name="comments" translatable="yes">Enigma2 channel and satellites list editor for MacOS.
     (Experimental)</property>
-    <property name="website">https://dyefremov.github.io/DemonEditor/</property>
+    <property name="website">https://github.com/DYefremov/DemonEditor/tree/experimental-mac</property>
     <property name="license" translatable="yes">Это приложение распространяется без каких-либо гарантий.
 Подробнее в &lt;a href="http://opensource.org/licenses/mit-license.php"&gt;The MIT License (MIT)&lt;/a&gt;.</property>
     <property name="authors">Dmitriy Yefremov

app/ui/settings_dialog.py

@@ -674,7 +674,9 @@ class SettingsDialog:
         self.add_theme(self._ext_settings.themes_path, self._theme_combo_box)
 
     def on_theme_remove(self, button):
-        self.remove_theme(self._theme_combo_box, self._ext_settings.themes_path)
+        if show_dialog(DialogType.QUESTION, self._dialog) == Gtk.ResponseType.OK:
+            Gtk.Settings().get_default().set_property("gtk-theme-name", "")
+            self.remove_theme(self._theme_combo_box, self._ext_settings.themes_path)
 
     def on_icon_theme_changed(self, button, state=False):
         if self._main_stack.get_visible_child_name() != "appearance":
@@ -685,7 +687,9 @@ class SettingsDialog:
         self.add_theme(self._ext_settings.icon_themes_path, self._icon_theme_combo_box)
 
     def on_icon_theme_remove(self, button):
-        self.remove_theme(self._icon_theme_combo_box, self._ext_settings.icon_themes_path)
+        if show_dialog(DialogType.QUESTION, self._dialog) == Gtk.ResponseType.OK:
+            Gtk.Settings().get_default().set_property("gtk-icon-theme-name", "")
+            self.remove_theme(self._icon_theme_combo_box, self._ext_settings.icon_themes_path)
 
     @run_idle
     def add_theme(self, path, button):
@@ -698,14 +702,17 @@ class SettingsDialog:
     @run_task
     def unpack_theme(self, src, dst, button):
         try:
-            from shutil import unpack_archive
+            os.makedirs(os.path.dirname(dst), exist_ok=True)
 
-            unpack_archive(src, dst)
-        except (KeyError, OSError) as e:
-            self.show_info_message(str(e), Gtk.MessageType.ERROR)
-        else:
-            self.update_theme_button(button, dst)
+            import subprocess
+            log("Unpacking '{}' started...".format(src))
+            p = subprocess.Popen(["tar", "-xvf", src, "-C", dst],
+                                 stdout=subprocess.PIPE,
+                                 stderr=subprocess.STDOUT)
+            p.communicate()
+            log("Unpacking end.")
         finally:
+            self.update_theme_button(button, dst)
             self._appearance_box.set_sensitive(True)
 
     @run_idle
@@ -727,9 +734,6 @@ class SettingsDialog:
             self.show_info_message("No selected item!", Gtk.MessageType.ERROR)
             return
 
-        if show_dialog(DialogType.QUESTION, self._dialog) != Gtk.ResponseType.OK:
-            return
-
         from shutil import rmtree
 
         try:
@@ -737,8 +741,12 @@ class SettingsDialog:
         except OSError as e:
             self.show_info_message(str(e), Gtk.MessageType.ERROR)
         else:
-            button.remove(button.get_active())
-            button.set_active(0)
+            self.theme_button_remove_active(button)
+
+    @run_idle
+    def theme_button_remove_active(self, button):
+        button.remove(button.get_active())
+        button.set_active(0)
 
     @run_idle
     def init_appearance(self):