C++ (Cpp) ui_playlist_widget_scroll示例

示例#1

文件： ui_playlist_widget.c 项目： CBke/audacious-plugins

void ui_playlist_widget_update (GtkWidget * widget, gint type, gint at,
 gint count)
{
    PlaylistWidgetData * data = audgui_list_get_user (widget);
    g_return_if_fail (data);

    if (type >= PLAYLIST_UPDATE_STRUCTURE)
    {
        gint diff = aud_playlist_entry_count (data->list) -
         audgui_list_row_count (widget);

        if (diff > 0)
            audgui_list_insert_rows (widget, at, diff);
        else if (diff < 0)
            audgui_list_delete_rows (widget, at, -diff);

        ui_playlist_widget_scroll (widget);
    }

    if (type >= PLAYLIST_UPDATE_METADATA)
        audgui_list_update_rows (widget, at, count);

    audgui_list_update_selection (widget, at, count);
    audgui_list_set_focus (widget, aud_playlist_get_focus (data->list));
    update_queue (widget, data);
}

示例#2

文件： ui_playlist_widget.c 项目： rapidrabbit/audacious-plugins

void ui_playlist_widget_update (GtkWidget * widget, int type, int at,
 int count)
{
    PlaylistWidgetData * data = audgui_list_get_user (widget);
    g_return_if_fail (data);

    if (type == PLAYLIST_UPDATE_STRUCTURE)
    {
        int old_entries = audgui_list_row_count (widget);
        int entries = aud_playlist_entry_count (data->list);

        audgui_list_delete_rows (widget, at, old_entries - (entries - count));
        audgui_list_insert_rows (widget, at, count);

        /* scroll to end of playlist if entries were added there
           (but not if a newly added entry is playing) */
        if (entries > old_entries && at + count == entries &&
         aud_playlist_get_focus (data->list) < old_entries)
            aud_playlist_set_focus (data->list, entries - 1);

        ui_playlist_widget_scroll (widget);
    }
    else if (type == PLAYLIST_UPDATE_METADATA)
        audgui_list_update_rows (widget, at, count);

    audgui_list_update_selection (widget, at, count);
    audgui_list_set_focus (widget, aud_playlist_get_focus (data->list));
    update_queue (widget, data);
}