void gtk_widget_add_events( GtkWidget *widget, gint events ); widget:控件 events:事件类型,它是GdkEventMask的枚举常量,取值列举如下 GDK_BUTTON_PRESS_MASK:鼠标点击 GDK_BUTTON_RELEASE_MASK:鼠标释放 GDK_BUTTON_MOTION_MASK:鼠标移动 GDK_KEY_PRESS_MASK:键盘按下 GDK_ENTER_NOTIFY_MASK:进入控件区域 …...
gtk_widget_add_events(GTK_WIDGET(window), GDK_CONFIGURE); 上面这行代码说明了,哪一个构件将回接受到事件,并对事件的发生做出反应。一些事件使用时要已与特定的构件组装好了,另外的一些事件不得不要用一个函数gtk_widget_add_events()去武装他。把事件类型GDK_CONFIGURE填加到这个函数中。事件类型GDK_CONFIGURE...
"Bold text\n", -1, "bold", "lmarg", NULL); gtk_container_add(GTK_CONTAINER(window), vbox); g_signal_connect_swapped(G_OBJECT(window), "destroy", G_CALLBACK(gtk_main_quit), G_OBJECT(window)); gtk_widget_show_all(window); gtk_main(); return 0; } 这个例子展示了如何利用各种各...
gtk_widget_add_events(GTK_WIDGET(window), GDK_CONFIGURE); g_signal_connect_swapped(G_OBJECT(window), "destroy", G_CALLBACK(gtk_main_quit), G_OBJECT(window)); g_signal_connect(G_OBJECT(window), "configure-event", G_CALLBACK(frame_callback), NULL); gtk_widget_show(window); gtk_main...
gtk_widget_add_events(window, GDK_BUTTON_PRESS_MASK); // 接受鼠标事件 g_signal_connect(window, "button-press-event", G_CALLBACK(deal_mouse_press), NULL); // 处理"button-press-event"信号 1. 2. 3. 4. 5. 信号"button-press-event"不是GtkWindow本身的信号,是从GtkWidget继承过来的信号。回...
注册绘图回调函数:使用gtk_widget_add_events()函数为GtkDrawingArea对象添加"draw"信号。然后,使用g_signal_connect()函数将绘图回调函数与"draw"信号连接起来。 创建一个定时器:使用g_timeout_add()函数创建一个定时器,用于定期触发绘图更新操作。 在定时器回调函数中更新绘图内容:在定时器回调函数中,通过调用gtk...
gtk_container_add(GTK_CONTAINER(window), fixed);button = gtk_button_new_with_label("Click");gtk_fixed_put(GTK_FIXED(fixed), button, 50, 50);gtk_widget_set_size_request(button, 80, 35);g_signal_connect(G_OBJECT(button), "clicked",G_CALLBACK(button_clicked), NULL);g_signal_connect(...
gtk_widget_add_events(window, GDK_BUTTON_PRESS_MASK); g_signal_connect(G_OBJECT(window), "button-press-event", G_CALLBACK(show_about), (gpointer) window); g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(gtk_main_quit), G_OBJECT(window)); ...
() entry.add_events(gtk.gdk.KEY_RELEASE_MASK) fixed.put(entry, 60, 100) entry.connect("key-release-event", self.on_key_release) self.connect("destroy", gtk.main_quit) self.add(fixed) self.show_all() def on_key_release(self, widget, event): self.label.set_text(widget.get_text(...
(); game->canvas = canvas; // Enable mouse event signals on canvas gtk_widget_set_events(canvas, gtk_widget_get_events(canvas) | GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK); // Connect signals for canvas g_signal_connect(canvas, "configure-event", G_CALLBACK(canvas_configure_...