glade3教程（四）--搞定按钮

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打开glade3 新建一个窗口，在窗口中放置一个固定fixed然后再放置三个检查按钮 三个单选按钮  放置一个双态按钮   然后分别在检查按钮  单选按钮  双态按钮下面分别放置一个标签  并且将单选按钮2 单选按钮3 加入单选按钮1的组别中 保存为button.glade  如图所示：

然后打开code::blocks 输入以下代码    代码比较简单就不加注释了

/*

作者：bailangcn

时间：2012/3/19

作者主页：bailangcn.tk

*/
#include <gtk/gtk.h>

GtkWidget *label1;
GtkWidget *label2;
GtkWidget *label3;
void set_text_to_label1(GtkWidget *Widget,gpointer *data)
{

    gtk_label_set_text(GTK_LABEL(label1),(char *)data);
}
void set_text_to_label2(GtkWidget *Widget,gpointer *data)
{

    gtk_label_set_text(GTK_LABEL(label2),(char *)data);
}
void set_text_to_label3(GtkWidget *Widget,gpointer *data)
{

    gtk_label_set_text(GTK_LABEL(label3),(char *)data);
}
int main(int argc, char *argv[])
{
    GtkBuilder *builder;

    gtk_init(&argc, &argv);
    GtkWidget *window;

    GtkWidget *checkbutton1;
    GtkWidget *checkbutton2;
    GtkWidget *checkbutton3;
    GtkWidget *radiobutton1;
    GtkWidget *radiobutton2;
    GtkWidget *radiobutton3;
    GtkWidget *togglebutton;

    builder = gtk_builder_new();
    gtk_builder_add_from_file(builder, "button.glade", NULL);

    window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
    checkbutton1 = GTK_WIDGET(gtk_builder_get_object(builder,"checkbutton1"));
    checkbutton2 = GTK_WIDGET(gtk_builder_get_object(builder,"checkbutton2"));
    checkbutton3 = GTK_WIDGET(gtk_builder_get_object(builder,"checkbutton3"));
    radiobutton1 = GTK_WIDGET(gtk_builder_get_object(builder,"radiobutton1"));
    radiobutton2 = GTK_WIDGET(gtk_builder_get_object(builder,"radiobutton2"));
    radiobutton3 = GTK_WIDGET(gtk_builder_get_object(builder,"radiobutton3"));
    togglebutton = GTK_WIDGET(gtk_builder_get_object(builder,"togglebutton"));
    label1 = GTK_WIDGET(gtk_builder_get_object(builder,"label1"));
    label2 = GTK_WIDGET(gtk_builder_get_object(builder,"label2"));
    label3 = GTK_WIDGET(gtk_builder_get_object(builder,"label3"));

    g_signal_connect(G_OBJECT(window),"delete_event",G_CALLBACK(gtk_main_quit),NULL);
    g_signal_connect(G_OBJECT(checkbutton1),"pressed",G_CALLBACK(set_text_to_label1),"you check checkbutton1");
    g_signal_connect(G_OBJECT(checkbutton2),"pressed",G_CALLBACK(set_text_to_label1),"you check checkbutton2");
    g_signal_connect(G_OBJECT(checkbutton3),"pressed",G_CALLBACK(set_text_to_label1),"you check checkbutton3");
    g_signal_connect(G_OBJECT(radiobutton1),"pressed",G_CALLBACK(set_text_to_label2),"you check radiobutton1");
    g_signal_connect(G_OBJECT(radiobutton2),"pressed",G_CALLBACK(set_text_to_label2),"you check radiobutton2");
    g_signal_connect(G_OBJECT(radiobutton3),"pressed",G_CALLBACK(set_text_to_label2),"you check radiobutton3");
    g_signal_connect(G_OBJECT(togglebutton),"toggled",G_CALLBACK(set_text_to_label3),"toggle");

   // gtk_builder_connect_signals(builder, NULL);//自动关联已在 UI 文件配置好的信号  如果你不在galde文件里面配置信号这行代码可以不用

    g_object_unref(G_OBJECT(builder));

    gtk_widget_show_all(window);
    gtk_main();
    return 0;
}

编译运行  点击不同按钮   会输出不同的文字

如图：

以上对于按钮的回调仅用来演示   实际运用当中  应如用以下代码判断

if (GTK_TOGGLE_BUTTON (widget)->active)
{
/* 如果执行这段程序，表明按钮是选中或者按下的* /
} else {
/* 如果执行这段程序，按钮是没有选中或者弹起的* /
}

本文出自 bailangcn's，转载时请注明出处及相应链接

白浪

国际惯例。。。