C++ (Cpp) get_first_iter示例

示例#1

文件： gtkappchooserbutton.c 项目： simokivimaki/gtk

static void
gtk_app_chooser_button_populate (GtkAppChooserButton *self)
{
  GList *recommended_apps = NULL, *l;
  GAppInfo *app;
  GtkTreeIter iter, iter2;
  GIcon *icon;
  gboolean cycled_recommended;

#ifndef G_OS_WIN32
  if (self->priv->content_type)
    recommended_apps = g_app_info_get_recommended_for_type (self->priv->content_type);
#endif
  cycled_recommended = FALSE;

  for (l = recommended_apps; l != NULL; l = l->next)
    {
      app = l->data;

      icon = g_app_info_get_icon (app);

      if (icon == NULL)
        icon = g_themed_icon_new ("application-x-executable");
      else
        g_object_ref (icon);

      if (cycled_recommended)
        {
          gtk_list_store_insert_after (self->priv->store, &iter2, &iter);
          iter = iter2;
        }
      else
        {
          get_first_iter (self->priv->store, &iter);
          cycled_recommended = TRUE;
        }

      gtk_list_store_set (self->priv->store, &iter,
                          COLUMN_APP_INFO, app,
                          COLUMN_LABEL, g_app_info_get_name (app),
                          COLUMN_ICON, icon,
                          COLUMN_CUSTOM, FALSE,
                          -1);

      g_object_unref (icon);
    }

  if (!cycled_recommended)
    gtk_app_chooser_button_ensure_dialog_item (self, NULL);
  else
    gtk_app_chooser_button_ensure_dialog_item (self, &iter);

  gtk_combo_box_set_active (GTK_COMBO_BOX (self), 0);
}

示例#2

文件： gtkappchooserbutton.c 项目： 3v1n0/gtk

static void
gtk_app_chooser_button_populate (GtkAppChooserButton *self)
{
  GList *recommended_apps = NULL, *l;
  GAppInfo *app, *default_app = NULL;
  GtkTreeIter iter, iter2;
  gboolean cycled_recommended;

#ifndef G_OS_WIN32
  if (self->priv->content_type)
    recommended_apps = g_app_info_get_recommended_for_type (self->priv->content_type);
#endif
  cycled_recommended = FALSE;

  if (self->priv->show_default_item)
    {
      if (self->priv->content_type)
        default_app = g_app_info_get_default_for_type (self->priv->content_type, FALSE);

      if (default_app != NULL)
        {
          get_first_iter (self->priv->store, &iter);
          cycled_recommended = TRUE;

          insert_one_application (self, default_app, &iter);

          g_object_unref (default_app);
        }
    }

  for (l = recommended_apps; l != NULL; l = l->next)
    {
      app = l->data;

      if (default_app != NULL && g_app_info_equal (app, default_app))
        continue;

      if (cycled_recommended)
        {
          gtk_list_store_insert_after (self->priv->store, &iter2, &iter);
          iter = iter2;
        }
      else
        {
          get_first_iter (self->priv->store, &iter);
          cycled_recommended = TRUE;
        }

      insert_one_application (self, app, &iter);
    }

  if (recommended_apps != NULL)
    g_list_free_full (recommended_apps, g_object_unref);

  if (!cycled_recommended)
    gtk_app_chooser_button_ensure_dialog_item (self, NULL);
  else
    gtk_app_chooser_button_ensure_dialog_item (self, &iter);

  gtk_combo_box_set_active (GTK_COMBO_BOX (self), 0);
}