Question

我对GTK3很陌生。我创建了一个EventBoxes数组，它们每个都包含一个图像。所有框都链接到相同的on_button_pressed方法。当用户单击图像时，我想获取事件框中显示的图像的文件名。有什么办法可以做到？

感谢所有帮助。

----编辑1 -------------------------

Code:

    //In my header file, I've declared:
  class Window : public Gtk::Window{
    //....some other window elements....
    Gtk::EventBox portraits[13];
    Gtk::Image * portraitImage[13];
  };

    //In my .cc file, I've implemented:
   Window::Window(){
    //....creating some window elements ....
     for(int i = 0; i < 13; i++){
       portraitImage[i] = new Gtk::Image("empty.png");
       portraits[i].signal_button_press_event().connect(sigc::mem_fun(*this, 
               &Window::doOnPortraitClicked));
       portraits[i].set_image(*portraitImage[i]);
     }

     //..........some other code for displaying the window..........//
     show_all_children()
   }

   //doOnPortraitClicked method
   bool Window::doOnPortraitClicked(GdkEventButton *  button){
    ??  GValue value = G_VALUE_INIT;
    ??  g_value_init (&value, G_TYPE_STRING);
    ??  g_object_get_property(G_OBJECT(button->get_image()), "file", &value);
    ??  string source = g_value_get_string(&value);

   // How do I retrieve "empty.png" from the EventButton?
   }

问号是我无法实现的行

事件框中的图像文件名

0 个答案: