path: root/e-util/e-url-entry.c

/*
 * e-url-entry.c
 *
 * 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) version 3.
 *
 * 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 the program; if not, see <http://www.gnu.org/licenses/>
 *
 */

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

#include "e-url-entry.h"

#include <gtk/gtk.h>
#include <glib/gi18n.h>

#include "e-misc-utils.h"

#define E_URL_ENTRY_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_URL_ENTRY, EUrlEntryPrivate))

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

G_DEFINE_TYPE (
    EUrlEntry,
    e_url_entry,
    GTK_TYPE_HBOX)

static gboolean
url_entry_text_to_sensitive (GBinding *binding,
                             const GValue *source_value,
                             GValue *target_value,
                             gpointer user_data)
{
    const gchar *text;
    gboolean sensitive;

    text = g_value_get_string (source_value);
    sensitive = (text != NULL && *text != '\0');
    g_value_set_boolean (target_value, sensitive);

    return TRUE;
}

static void
url_entry_button_clicked_cb (GtkButton *button,
                             EUrlEntry *url_entry)
{
    const gchar *text;
    gpointer toplevel;

    toplevel = gtk_widget_get_toplevel (GTK_WIDGET (url_entry));
    toplevel = gtk_widget_is_toplevel (toplevel) ? toplevel : NULL;

    text = gtk_entry_get_text (GTK_ENTRY (url_entry->priv->entry));

    e_show_uri (toplevel, text);
}

static gboolean
url_entry_mnemonic_activate (GtkWidget *widget,
                             gboolean group_cycling)
{
    GtkWidget *entry;

    entry = e_url_entry_get_entry (E_URL_ENTRY (widget));

    return gtk_widget_mnemonic_activate (entry, group_cycling);
}

static void
e_url_entry_class_init (EUrlEntryClass *class)
{
    GtkWidgetClass *widget_class;

    g_type_class_add_private (class, sizeof (EUrlEntryPrivate));

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

static void
e_url_entry_init (EUrlEntry *url_entry)
{
    GtkWidget *widget;

    url_entry->priv = E_URL_ENTRY_GET_PRIVATE (url_entry);

    widget = gtk_entry_new ();
    gtk_entry_set_placeholder_text (
        GTK_ENTRY (widget), _("Enter a URL here"));
    gtk_box_pack_start (GTK_BOX (url_entry), widget, TRUE, TRUE, 0);
    url_entry->priv->entry = widget;  /* do not reference */
    gtk_widget_show (widget);

    widget = gtk_button_new ();
    gtk_container_add (
        GTK_CONTAINER (widget),
        gtk_image_new_from_stock (
            GTK_STOCK_JUMP_TO,
            GTK_ICON_SIZE_BUTTON));
    gtk_widget_set_tooltip_text (
        widget, _("Click here to open the URL"));
    gtk_box_pack_start (GTK_BOX (url_entry), widget, FALSE, FALSE, 0);
    url_entry->priv->button = widget;  /* do not reference */
    gtk_widget_show_all (widget);

    g_signal_connect (
        widget, "clicked",
        G_CALLBACK (url_entry_button_clicked_cb), url_entry);

    g_object_bind_property_full (
        url_entry->priv->entry, "text",
        url_entry->priv->button, "sensitive",
        G_BINDING_SYNC_CREATE,
        url_entry_text_to_sensitive,
        (GBindingTransformFunc) NULL,
        NULL, (GDestroyNotify) NULL);
}

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

GtkWidget *
e_url_entry_get_entry (EUrlEntry *url_entry)
{
    g_return_val_if_fail (E_IS_URL_ENTRY (url_entry), NULL);

    return url_entry->priv->entry;
}