C++ (Cpp) _lib_history_create_button示例

示例#1

static void _lib_history_change_callback(gpointer instance, gpointer user_data)
{
  dt_lib_module_t *self = (dt_lib_module_t *)user_data;
  dt_lib_history_t *d = (dt_lib_history_t *)self->data;

  /* first destroy all buttons in list */
  gtk_container_foreach(GTK_CONTAINER(d->history_box), (GtkCallback)gtk_widget_destroy, 0);

  /* add default which always should be */
  int num = -1;
  gtk_box_pack_start(GTK_BOX(d->history_box),
                     _lib_history_create_button(self, num, _("original"), FALSE, darktable.develop->history_end == 0),
                     TRUE, TRUE, 0);
  num++;

  /* lock history mutex */
  dt_pthread_mutex_lock(&darktable.develop->history_mutex);

  /* iterate over history items and add them to list*/
  GList *history = g_list_first(darktable.develop->history);
  while(history)
  {
    dt_dev_history_item_t *hitem = (dt_dev_history_item_t *)(history->data);

    gchar *label;
    if(!hitem->multi_name[0] || strcmp(hitem->multi_name, "0") == 0)
      label = g_strdup_printf("%s", hitem->module->name());
    else
      label = g_strdup_printf("%s %s", hitem->module->name(), hitem->multi_name);

    gboolean selected = (num == darktable.develop->history_end - 1);
    GtkWidget *widget = _lib_history_create_button(self, num, label, hitem->enabled, selected);
    g_free(label);

    gtk_box_pack_start(GTK_BOX(d->history_box), widget, TRUE, TRUE, 0);
    gtk_box_reorder_child(GTK_BOX(d->history_box), widget, 0);
    num++;

    history = g_list_next(history);
  }

  /* show all widgets */
  gtk_widget_show_all(d->history_box);

  dt_pthread_mutex_unlock(&darktable.develop->history_mutex);
}

示例#2

文件： history.c 项目： gapato/darktable

static void _lib_history_change_callback(gpointer instance, gpointer user_data)
{
  dt_lib_module_t *self = (dt_lib_module_t *)user_data;
  dt_lib_history_t *d = (dt_lib_history_t *)self->data;

  /* first destroy all buttons in list */
  gtk_container_foreach(GTK_CONTAINER(d->history_box),(GtkCallback)gtk_widget_destroy,0);

  /* add default which always should be */
  long int num = -1;
  gtk_box_pack_start(GTK_BOX(d->history_box),_lib_history_create_button(self,num, _("original"),FALSE),TRUE,TRUE,0);
  num++;

  /* lock history mutex */
  dt_pthread_mutex_lock(&darktable.develop->history_mutex);

  /* iterate over history items and add them to list*/
  GList *history = g_list_first(darktable.develop->history);
  while (history)
  {
    dt_dev_history_item_t *hitem = (dt_dev_history_item_t *)(history->data);

    /* create a history button and add to box */
    GtkWidget *widget =_lib_history_create_button(self,num,hitem->module->name(),hitem->enabled);
    gtk_box_pack_start(GTK_BOX(d->history_box),widget,TRUE,TRUE,0);
    gtk_box_reorder_child(GTK_BOX(d->history_box),widget,0);
    num++;

    history = g_list_next(history);
  }

  /* show all widgets */
  gtk_widget_show_all(d->history_box);

  dt_pthread_mutex_unlock(&darktable.develop->history_mutex);
}