连接和断开信号演示之二

代码;

#include <gtk-2.0/gtk/gtk.h>
#include <gtk-2.0/gdk/gdkkeysyms.h>
#include <glib-2.0/glib.h>
#include <stdio.h>void button_press(GtkEventBox *ebox,GdkEventButton *event,GtkLabel *label) {const char *citem;switch(event->type) {case GDK_BUTTON_PRESS: citem = "单击";break;case GDK_2BUTTON_PRESS: citem = "双击";break;case GDK_3BUTTON_PRESS: citem = "三击";break;default: citem = "未知操作";}gtk_label_set_label(label, citem);
}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), "连接和断开信号演示");gtk_widget_show(window);g_signal_connect(G_OBJECT(window), "delete_event",G_CALLBACK(gtk_main_quit), NULL);GtkWidget *ebox;ebox = gtk_event_box_new ();gtk_widget_show (ebox);gtk_container_add (GTK_CONTAINER (window), ebox);GtkWidget *label;label = gtk_label_new ("请使用鼠标点击窗体");gtk_widget_show (label);gtk_container_add (GTK_CONTAINER (ebox), label);GtkWidget *inputdialog;inputdialog = gtk_input_dialog_new();gtk_dialog_run(GTK_DIALOG(inputdialog));g_signal_connect((gpointer) ebox, "button-press-event",G_CALLBACK(button_press), (gpointer) label);gtk_main();return 0;
}

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