gtk/demos/gtk-demo/clipboard.c
Anders Carlsson 705a7066c3 Add clipboard demo.
2004-07-29  Anders Carlsson  <andersca@gnome.org>

	* demos/gtk-demo/Makefile.am:
	* demos/gtk-demo/clipboard.c: (copy_button_clicked),
	(paste_received), (paste_button_clicked), (do_clipboard):
	Add clipboard demo.
2004-07-29 15:40:35 +00:00

125 lines
3.2 KiB
C

/* Clipboard
*
* GtkClipboard is used for clipboard handling. This demo shows how to
* copy and paste text to and from the clipboard.
*/
#include <config.h>
#include <gtk/gtk.h>
#include <string.h>
static GtkWidget *window = NULL;
void
copy_button_clicked (GtkWidget *button,
gpointer user_data)
{
GtkWidget *entry;
GtkClipboard *clipboard;
entry = GTK_WIDGET (user_data);
/* Get the clipboard object */
clipboard = gtk_widget_get_clipboard (entry,
GDK_SELECTION_CLIPBOARD);
/* Set clipboard text */
gtk_clipboard_set_text (clipboard, gtk_entry_get_text (GTK_ENTRY (entry)), -1);
}
void
paste_received (GtkClipboard *clipboard,
const gchar *text,
gpointer user_data)
{
GtkWidget *entry;
entry = GTK_WIDGET (user_data);
/* Set the entry text */
gtk_entry_set_text (GTK_ENTRY (entry), text);
}
void
paste_button_clicked (GtkWidget *button,
gpointer user_data)
{
GtkWidget *entry;
GtkClipboard *clipboard;
entry = GTK_WIDGET (user_data);
/* Get the clipboard object */
clipboard = gtk_widget_get_clipboard (entry,
GDK_SELECTION_CLIPBOARD);
/* Request the contents of the clipboard, contents_received will be
called when we do get the contents.
*/
gtk_clipboard_request_text (clipboard,
paste_received, entry);
}
GtkWidget *
do_clipboard (GtkWidget *do_widget)
{
if (!window)
{
GtkWidget *vbox, *hbox;
GtkWidget *label;
GtkWidget *entry, *button;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
gtk_container_add (GTK_CONTAINER (window), vbox);
label = gtk_label_new ("\"Copy\" will copy the text\nin the entry to the clipboard");
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
hbox = gtk_hbox_new (FALSE, 4);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 8);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
/* Create the first entry */
entry = gtk_entry_new ();
gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
/* Create the button */
button = gtk_button_new_from_stock (GTK_STOCK_COPY);
gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
g_signal_connect (button, "clicked",
G_CALLBACK (copy_button_clicked), entry);
label = gtk_label_new ("\"Paste\" will paste the text from the clipboard to the entry");
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
hbox = gtk_hbox_new (FALSE, 4);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 8);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
/* Create the second entry */
entry = gtk_entry_new ();
gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
/* Create the button */
button = gtk_button_new_from_stock (GTK_STOCK_PASTE);
gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
g_signal_connect (button, "clicked",
G_CALLBACK (paste_button_clicked), entry);
}
if (!GTK_WIDGET_VISIBLE (window))
gtk_widget_show_all (window);
else
{
gtk_widget_destroy (window);
window = NULL;
}
return window;
}