evolution/widgets/misc/e-url-entry.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-url-entry.c
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 * Author: JP Rosevear
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <gtk/gtk.h>
#include <libgnome/gnome-url.h>
#include <glib/gi18n.h>
#include "e-url-entry.h"

struct _EUrlEntryPrivate {
	GtkWidget *entry;
	GtkWidget *button;
};

static void class_init (EUrlEntryClass *class);
static void init (EUrlEntry *url_entry);
static void finalize (GObject *object);

static void button_clicked_cb (GtkWidget *widget, gpointer data);
static void entry_changed_cb (GtkEditable *editable, gpointer data);

static gboolean mnemonic_activate (GtkWidget *widget, gboolean group_cycling);

static gpointer parent_class = NULL;


GType
e_url_entry_get_type (void)
{
	static GType type = 0;

	if (G_UNLIKELY (type == 0)) {
		static const GTypeInfo type_info = {
			sizeof (EUrlEntryClass),
			(GBaseInitFunc) NULL,
			(GBaseFinalizeFunc) NULL,
			(GClassInitFunc) class_init,
			(GClassFinalizeFunc) NULL,
			NULL,  /* class_data */
			sizeof (EUrlEntry),
			0,     /* n_preallocs */
			(GInstanceInitFunc) init,
			NULL   /* value_table */
		};

		type = g_type_register_static (
			GTK_TYPE_HBOX, "EUrlEntry", &type_info, 0);
	}

	return type;
}

static void
class_init (EUrlEntryClass *class)
{
	GObjectClass *object_class;
	GtkWidgetClass *widget_class;

	parent_class = g_type_class_peek_parent (class);

	object_class = G_OBJECT_CLASS (class);
	object_class->finalize = finalize;

	widget_class = GTK_WIDGET_CLASS (class);
	widget_class->mnemonic_activate = mnemonic_activate;
}


static void
init (EUrlEntry *url_entry)
{
	EUrlEntryPrivate *priv;
	GtkWidget *pixmap;

	priv = g_new0 (EUrlEntryPrivate, 1);
	url_entry->priv = priv;

	priv->entry = gtk_entry_new ();
	gtk_box_pack_start (GTK_BOX (url_entry), priv->entry, TRUE, TRUE, 0);
	priv->button = gtk_button_new ();
	gtk_widget_set_sensitive (priv->button, FALSE);
	gtk_box_pack_start (GTK_BOX (url_entry), priv->button, FALSE, FALSE, 0);
	atk_object_set_name (gtk_widget_get_accessible (priv->button), _("Click here to go to URL"));
	pixmap = gtk_image_new_from_icon_name ("go-jump", GTK_ICON_SIZE_BUTTON);
	gtk_container_add (GTK_CONTAINER (priv->button), pixmap);
	gtk_widget_show (pixmap);

	gtk_widget_show (priv->button);
	gtk_widget_show (priv->entry);

	g_signal_connect (priv->button, "clicked",
			  G_CALLBACK (button_clicked_cb), url_entry);
	g_signal_connect (priv->entry, "changed",
			  G_CALLBACK (entry_changed_cb), url_entry);
}

static void
finalize (GObject *object)
{
	EUrlEntry *url_entry;

	url_entry = E_URL_ENTRY (object);
	if (url_entry->priv) {
		g_free (url_entry->priv);
		url_entry->priv = NULL;
	}

	G_OBJECT_CLASS (parent_class)->finalize (object);
}

/* GtkWidget::mnemonic_activate() handler for the EUrlEntry */
static gboolean
mnemonic_activate (GtkWidget *widget, gboolean group_cycling)
{
	EUrlEntry *url_entry;
	EUrlEntryPrivate *priv;

	url_entry = E_URL_ENTRY (widget);
	priv = url_entry->priv;

	return gtk_widget_mnemonic_activate (priv->entry, group_cycling);
}



GtkWidget *
e_url_entry_new (void)
{
	return g_object_new (E_TYPE_URL_ENTRY, NULL);
}


GtkWidget *
e_url_entry_get_entry (EUrlEntry *url_entry)
{
	EUrlEntryPrivate *priv;

	g_return_val_if_fail (url_entry != NULL, NULL);
	g_return_val_if_fail (E_IS_URL_ENTRY (url_entry), NULL);

	priv = url_entry->priv;

	return priv->entry;
}

static void
button_clicked_cb (GtkWidget *widget, gpointer data)
{
	EUrlEntry *url_entry;
	EUrlEntryPrivate *priv;

	url_entry = E_URL_ENTRY (data);
	priv = url_entry->priv;

	gnome_url_show (gtk_entry_get_text (GTK_ENTRY (priv->entry)), NULL);
}

static void
entry_changed_cb (GtkEditable *editable, gpointer data)
{
	EUrlEntry *url_entry;
	EUrlEntryPrivate *priv;
	const char *url;

	url_entry = E_URL_ENTRY (data);
	priv = url_entry->priv;

	url = gtk_entry_get_text (GTK_ENTRY (priv->entry));
	gtk_widget_set_sensitive (priv->button, url != NULL && *url != '\0');
}