main.py 文件源码

def on_treeview_folders_cursor_changed(self, widget):
        selected_row = get_treeview_selected_row(self.ui.treeview_folders)
        if selected_row:
            folder_name = self.model_folders.get_key(selected_row)
            # Check if the folder still exists
            # (model erased while the cursor moves through the Gtk.TreeView)
            if folder_name in self.folders:
                folder_info = self.folders[folder_name]
                # Clear any previous application icon
                self.model_applications.clear()
                # Add new application icons
                applications = folder_info.get_applications()
                for application in applications:
                    desktop_file = applications[application]
                    if desktop_file or preferences.get(
                            preferences.PREFERENCES_SHOW_MISSING):
                        application_file = applications[application]
                        application_info = ApplicationInfo(
                            application,
                            application_file.getName()
                            if desktop_file else 'Missing desktop file',
                            application_file.getComment()
                            if desktop_file else application,
                            application_file.getIcon()
                            if desktop_file else None,
                            # Always show any application, also if hidden
                            True)
                        self.model_applications.add_data(application_info)
            # Disable folder content saving
            self.ui.action_files_save.set_sensitive(False)