GTK +编程实现的程序

#include <gtk/gtk.h> static void OK(GtkWidget *widget,gpointer data) { g_print("OK\n"); } static void CANCLE(GtkWidget *widget,gpointer data) { g_print("Cancle\n"); } static gboolean confirm(const char *szHint) { GtkWidget *dialog=gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL,GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO,"%s",szHint); gtk_window_set_title(GTK_WINDOW(dialog),"提示"); gint result=gtk_dialog_run(GTK_DIALOG(dialog)); gtk_widget_destroy(dialog); return (result==GTK_RESPONSE_YES); } static void destroy(GtkWidget *widget,gpointer data) { g_print("%s:exit!\n",gtk_widget_get_name(widget)); gtk_main_quit(); } static gboolean delete_event(GtkWidget *widget,GdkEvent *event,gpointer data) { return !confirm("您确定退出程序？"); } int main( int argc, char *argv[] ) { // 声明一个窗口构件 GtkWidget *window; GtkWidget *button; GtkWidget *vbox; GtkWidget *label; //GtkWidget *hbox; // 初始化GTK+ gtk_init (&argc, &argv); // 创建主窗口 window = gtk_window_new (GTK_WINDOW_TOPLEVEL); // 注册回调函数 g_signal_connect(window,"delete_event",G_CALLBACK(delete_event),NULL); g_signal_connect(window,"destroy",G_CALLBACK(destroy),NULL); // 设置窗口边距 gtk_container_set_border_width(GTK_CONTAINER(window),30); //设置窗口大小 gtk_widget_set_usize(window,400,300); // 设置控件名称 gtk_widget_set_name(GTK_WIDGET(window),"main_window"); gtk_window_set_title(GTK_WINDOW(window),"Gtk+应用程序"); //设置button在窗口的位置:中间 gtk_window_set_position(GTK_WINDOW(window),GTK_WIN_POS_CENTER); //创建vbox容器 vbox=gtk_vbox_new(FALSE,0); //hbox=gtk_hbox_new(TRUE,5); // 把按钮构件添加到窗口内 gtk_container_add(GTK_CONTAINER(window),vbox); //创建一个文本 label=gtk_label_new("这是邹力第一个GTK+程序"); gtk_box_pack_start(GTK_BOX(vbox),label,FALSE,FALSE,3); //创建一个按钮 button=gtk_button_new_with_label("确认"); // 注册点击按钮事件的回调函数 g_signal_connect(button,"clicked",G_CALLBACK(OK),NULL); //g_signal_connect_swapped(button,"clicked",G_CALLBACK(gtk_widget_destroy),window); gtk_box_pack_start(GTK_BOX(vbox),button,FALSE,FALSE,3); button=gtk_button_new_with_label("取消"); g_signal_connect(button,"clicked",G_CALLBACK(CANCLE),NULL); gtk_box_pack_start(GTK_BOX(vbox),button,FALSE,FALSE,3); // 显示按钮 gtk_widget_show(vbox); // 显示窗口 gtk_widget_show_all(window); // 进入Gtk+主循环 gtk_main(); return 0; }