容器之事件盒

代码：

#include <gtk-2.0/gtk/gtk.h>
#include <glib-2.0/glib.h>
#include <gtk-2.0/gdk/gdkkeysyms.h>
#include <stdio.h>

static void label_const(GtkWidget *eventbox) {
static int i = 0;
static char citem[100];
sprintf(citem, "标签单击的次数：%d", ++i);
GtkWidget *dialog;
dialog = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_INFO,
GTK_BUTTONS_OK, citem);
gtk_window_set_title(GTK_WINDOW(dialog), "单击次数");
gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);

}

int main(int argc, char *argv[]) {
gtk_init(&argc, &argv);

GtkWidget *window;
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), "事件盒演示");
gtk_widget_show(window);

GtkWidget *eventbox;
eventbox = gtk_event_box_new();
gtk_widget_show(eventbox);
gtk_container_add(GTK_CONTAINER(window), eventbox);

GtkWidget *label;
label = gtk_label_new("请用鼠标单击标签");
gtk_widget_show(label);
gtk_container_add(GTK_CONTAINER(eventbox), label);

g_signal_connect(G_OBJECT(window), "delete_event",
G_CALLBACK(gtk_main_quit), NULL);

g_signal_connect((gpointer) eventbox, "button_press_event", G_CALLBACK(
label_const), NULL);
gtk_main();
return 0;
}

编译运行

原文地址：https://blog.csdn.net/chenbingjy/article/details/139869148

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