//一個小工具,用來讀取鍵盤按鍵信息。如按下CTRL+F8,顯示CTRL+F8,並打印鍵值
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <glib.h>
#include <glib/gprintf.h>
#include <stdlib.h>
#include <string.h>
#include <gdk/gdkkeysyms.h>
gboolean key_value(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
GtkWidget *label = (GtkWidget *)data;
guint keyvalue = event->keyval;
gchar temp[100];
strcpy(temp, "press: ");
if(event->state & GDK_CONTROL_MASK)
strcat(temp, "CTRL+");
if(event->state & GDK_SHIFT_MASK)
strcat(temp, "SHIFT+");
if(event->state & GDK_META_MASK)
strcat(temp, "ALT+");
if(event->state & GDK_LOCK_MASK)
strcat(temp, "LOCK+");
strcat(temp, gdk_keyval_name(event->keyval));
gtk_label_set_text (GTK_LABEL(label), temp);
g_print("%s, ",temp);
g_print("%s value 0x%x/n", gdk_keyval_name(event->keyval), event->keyval);
gtk_entry_set_text(GTK_ENTRY(widget), "");
return FALSE;
}
int main(int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *hbox;
GtkWidget *label;
GtkWidget *button;
GtkWidget *entry;
gtk_init(&argc, &argv);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
// gtk_window_set_default_size(GTK_WINDOW(window), 300, 300);
hbox = gtk_hbox_new(FALSE, 10);
gtk_container_set_border_width(GTK_CONTAINER(hbox), 10);
gtk_container_add (GTK_CONTAINER(window), hbox);
label = gtk_label_new ("please press any key");
gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 10);
entry = gtk_entry_new();
gtk_box_pack_start(GTK_BOX(hbox), entry, FALSE, FALSE, 10);
button = gtk_button_new_with_label ("close");
gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 10);
gtk_widget_show_all(window);
g_signal_connect(button, "clicked", G_CALLBACK(gtk_main_quit), NULL);
g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
g_signal_connect(entry, "key-press-event", G_CALLBACK(key_value), label);
gtk_main();
return 0;
}