属性改变事件产生的信号:configure_event 其回调函数的定义如下: gboolean callback( GtkWidget *widget, GdkEventConfigure *event, gpointer data ) { event:属性事件结构体变量,系统内部的变量,不是用户传参的 event->x,event->y:窗口的起点坐标 event->width,event->height:窗口的大小 } 以下例子为拉伸或移动...
2. 某些情况下,一些消息可以通用比如点击事件 "clicked"和"button_release_event", 但是要注意的是,这个回调函数的参数个数是不一样,一旦混淆,程序就会报错退出; 3. configure_event 和 expose_event是两个非常特殊的事件。当某个widget关联了configure_event信号,那么当它被show出来时,该事件就会被响应;后者的响应...
把事件类型GDK_CONFIGURE填加到这个函数中。事件类型GDK_CONFIGURE包含了所有的大小、位置和用于存储事件次序的栈结构。 g_signal_connect(G_OBJECT(window), "configure-event", G_CALLBACK(frame_callback), NULL); 从上面可以看出,信号“configure-event“被发射了 ,则所绑定构件的大小、位置与次序栈都被捕获了...
(game->canvas); // Redraw the canvas return G_SOURCE_CONTINUE; } // Handle configure event for the canvas gboolean canvas_configure_event(GtkWidget *widget, GdkEventConfigure *event, gpointer data) { GameOfLife *game = (GameOfLife *)data; game->is_canvas_realized = TRUE; return TRUE; ...
g_signal_connect(G_OBJECT(window), "configure-event", G_CALLBACK(frame_callback), NULL); gtk_widget_show(window); gtk_main(); return 0; } 在这个例子中,我们随时追踪显示了位于左上角的标题栏的位置。 gtk_widget_add_events(GTK_WIDGET(window), GDK_CONFIGURE); ...
configure_event_cb (GtkWidget *widget, GdkEventConfigure *event, gpointer data) { if (surface) cairo_surface_destroy (surface); surface = gdk_window_create_similar_surface (gtk_widget_get_window (widget), CAIRO_CONTENT_COLOR, gtk_widget_get_allocated_width (widget), ...
enter_notify_event鼠标指针进入组件 leave_notify_event鼠标指针离开组件 configure_event属性改变 focus_in_event获得聚焦 focus_out_event失去聚焦 map_event映射 unmap_event消失 property_notify_even属性改变 selection_clear_event选择清除 selection_request_event选择请求 ...
"configure-event" : "override" } def __init__(self): super(PyApp, self).__init__() self.set_size_request(200, 150) self.set_position(gtk.WIN_POS_CENTER) self.connect("destroy", gtk.main_quit) self.show_all() def do_configure_event(self, event): ...
gtk_window_configure_event (GtkWidget *widget, GdkEventConfigure *event) { GtkWindow *window = GTK_WINDOW (widget); gboolean expected_reply = window->configure_request_count > 0; if (window->configure_request_count > 0) { window->configure_request_count -= 1; gdk_window_thaw_toplevel_upd...
base.OnConfigureEvent(args); Title = args.X + ", " + args.Y; return true; } public static void Main() { Application.Init(); new SharpApp(); Application.Run(); } } In the previous example, we have plugged a delegate or a method to an event. In GTK#, many of the events have...