Viewing file:  assistant.c (5.03 KB) -rw-r--r--
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/* Assistant
*
* Demonstrates a sample multistep assistant. Assistants are used to divide
* an operation into several simpler sequential steps, and to guide the user
* through these steps.
*/
#include <gtk/gtk.h>
#include "demo-common.h"
static GtkWidget *assistant = NULL;
static void
on_assistant_apply (GtkWidget *widget, gpointer data)
{
/* Apply here changes, this is a fictional
example, so we just do nothing here */
}
static void
on_assistant_close_cancel (GtkWidget *widget, gpointer data)
{
GtkWidget **assistant = (GtkWidget **) data;
gtk_widget_destroy (*assistant);
*assistant = NULL;
}
static void
on_assistant_prepare (GtkWidget *widget, GtkWidget *page, gpointer data)
{
gint current_page, n_pages;
gchar *title;
current_page = gtk_assistant_get_current_page (GTK_ASSISTANT (widget));
n_pages = gtk_assistant_get_n_pages (GTK_ASSISTANT (widget));
title = g_strdup_printf ("Sample assistant (%d of %d)", current_page + 1, n_pages);
gtk_window_set_title (GTK_WINDOW (widget), title);
g_free (title);
}
static void
on_entry_changed (GtkWidget *widget, gpointer data)
{
GtkAssistant *assistant = GTK_ASSISTANT (data);
GtkWidget *current_page;
gint page_number;
const gchar *text;
page_number = gtk_assistant_get_current_page (assistant);
current_page = gtk_assistant_get_nth_page (assistant, page_number);
text = gtk_entry_get_text (GTK_ENTRY (widget));
if (text && *text)
gtk_assistant_set_page_complete (assistant, current_page, TRUE);
else
gtk_assistant_set_page_complete (assistant, current_page, FALSE);
}
static void
create_page1 (GtkWidget *assistant)
{
GtkWidget *box, *label, *entry;
GdkPixbuf *pixbuf;
box = gtk_hbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (box), 12);
label = gtk_label_new ("You must fill out this entry to continue:");
gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
entry = gtk_entry_new ();
gtk_box_pack_start (GTK_BOX (box), entry, TRUE, TRUE, 0);
g_signal_connect (G_OBJECT (entry), "changed",
G_CALLBACK (on_entry_changed), assistant);
gtk_widget_show_all (box);
gtk_assistant_append_page (GTK_ASSISTANT (assistant), box);
gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), box, "Page 1");
gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), box, GTK_ASSISTANT_PAGE_INTRO);
pixbuf = gtk_widget_render_icon (assistant, GTK_STOCK_DIALOG_INFO, GTK_ICON_SIZE_DIALOG, NULL);
gtk_assistant_set_page_header_image (GTK_ASSISTANT (assistant), box, pixbuf);
g_object_unref (pixbuf);
}
static void
create_page2 (GtkWidget *assistant)
{
GtkWidget *box, *checkbutton;
GdkPixbuf *pixbuf;
box = gtk_vbox_new (12, FALSE);
gtk_container_set_border_width (GTK_CONTAINER (box), 12);
checkbutton = gtk_check_button_new_with_label ("This is optional data, you may continue "
"even if you do not check this");
gtk_box_pack_start (GTK_BOX (box), checkbutton, FALSE, FALSE, 0);
gtk_widget_show_all (box);
gtk_assistant_append_page (GTK_ASSISTANT (assistant), box);
gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), box, TRUE);
gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), box, "Page 2");
pixbuf = gtk_widget_render_icon (assistant, GTK_STOCK_DIALOG_INFO, GTK_ICON_SIZE_DIALOG, NULL);
gtk_assistant_set_page_header_image (GTK_ASSISTANT (assistant), box, pixbuf);
g_object_unref (pixbuf);
}
static void
create_page3 (GtkWidget *assistant)
{
GtkWidget *label;
GdkPixbuf *pixbuf;
label = gtk_label_new ("This is a confirmation page, press 'Apply' to apply changes");
gtk_widget_show (label);
gtk_assistant_append_page (GTK_ASSISTANT (assistant), label);
gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), label, GTK_ASSISTANT_PAGE_CONFIRM);
gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), label, TRUE);
gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), label, "Confirmation");
pixbuf = gtk_widget_render_icon (assistant, GTK_STOCK_DIALOG_INFO, GTK_ICON_SIZE_DIALOG, NULL);
gtk_assistant_set_page_header_image (GTK_ASSISTANT (assistant), label, pixbuf);
g_object_unref (pixbuf);
}
GtkWidget*
do_assistant (GtkWidget *do_widget)
{
if (!assistant)
{
assistant = gtk_assistant_new ();
gtk_window_set_default_size (GTK_WINDOW (assistant), -1, 300);
gtk_window_set_screen (GTK_WINDOW (assistant),
gtk_widget_get_screen (do_widget));
create_page1 (assistant);
create_page2 (assistant);
create_page3 (assistant);
g_signal_connect (G_OBJECT (assistant), "cancel",
G_CALLBACK (on_assistant_close_cancel), &assistant);
g_signal_connect (G_OBJECT (assistant), "close",
G_CALLBACK (on_assistant_close_cancel), &assistant);
g_signal_connect (G_OBJECT (assistant), "apply",
G_CALLBACK (on_assistant_apply), NULL);
g_signal_connect (G_OBJECT (assistant), "prepare",
G_CALLBACK (on_assistant_prepare), NULL);
}
if (!GTK_WIDGET_VISIBLE (assistant))
gtk_widget_show (assistant);
else
{
gtk_widget_destroy (assistant);
assistant = NULL;
}
return assistant;
}
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