[C++] 纯文本查看 复制代码
#define g_signal_connect_swapped(instance, detailed_signal, c_handler, data)
[C++] 纯文本查看 复制代码
#include <gtk/gtk.h>
static void print_hello (GtkWidget *widget, gpointer data)
{
g_print ("Hello World\n");
}
static gboolean on_delete_event (GtkWidget *widget, GdkEvent *event, gpointer data)
{
g_print ("delete event occurred\n");
return TRUE;
}
int main(int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *button;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW(window), "Hello");
g_signal_connect (window, "delete-event", G_CALLBACK(on_delete_event), NULL);
g_signal_connect (window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
gtk_container_set_border_width (GTK_CONTAINER(window), 10);
button = gtk_button_new_with_label ("Hello World");
g_signal_connect (button, "clicked", G_CALLBACK(print_hello), NULL);
g_signal_connect (button, "clicked", G_CALLBACK(gtk_widget_destroy), NULL);
//g_signal_connect_swapped (button, "clicked", G_CALLBACK(gtk_widget_destroy), window);
gtk_container_add (GTK_CONTAINER(window), button);
gtk_widget_show(button);
gtk_widget_show(window);
gtk_main();
return 0;
}
[C++] 纯文本查看 复制代码
static void gtk_widget_destroy2(GtkWidget *widget)
{
gtk_widget_destroy(widget);
}
... ...
g_signal_connect (button, "clicked", G_CALLBACK(gtk_widget_destroy2), window);
[C++] 纯文本查看 复制代码
static void gtk_widget_destroy2(GtkWidget *widget, gpointer data)
{
gtk_widget_destroy(data);
}
... ...
g_signal_connect (button, "clicked", G_CALLBACK(gtk_widget_destroy2), window);