/*
* Copyright (C) 2002 Christophe Fergeau
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id$
*/
#include "ephy-arrow-toolbutton.h"
#include "ephy-marshal.h"
#include "ephy-gui.h"
#include "ephy-debug.h"
#include <gtk/gtkarrow.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtktogglebutton.h>
#include <gtk/gtkmenu.h>
#include <gtk/gtkmain.h>
#define EPHY_ARROW_TOOLBUTTON_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_ARROW_TOOLBUTTON, EphyArrowToolButtonPrivate))
struct EphyArrowToolButtonPrivate
{
GtkWidget *arrow_widget;
GtkWidget *button;
GtkMenu *menu;
};
enum EphyArrowToolButtonSignalsEnum {
EPHY_ARROW_TOOL_BUTTON_MENU_ACTIVATED,
EPHY_ARROW_TOOL_BUTTON_LAST_SIGNAL
};
/* GObject boilerplate code */
static void ephy_arrow_toolbutton_init (EphyArrowToolButton *arrow_toolbutton);
static void ephy_arrow_toolbutton_class_init (EphyArrowToolButtonClass *klass);
static void ephy_arrow_toolbutton_finalize (GObject *object);
static GObjectClass *parent_class = NULL;
static gint EphyArrowToolButtonSignals[EPHY_ARROW_TOOL_BUTTON_LAST_SIGNAL];
GType
ephy_arrow_toolbutton_get_type (void)
{
static GType ephy_arrow_toolbutton_type = 0;
if (ephy_arrow_toolbutton_type == 0)
{
static const GTypeInfo our_info =
{
sizeof (EphyArrowToolButtonClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) ephy_arrow_toolbutton_class_init,
NULL,
NULL, /* class_data */
sizeof (EphyArrowToolButton),
0, /* n_preallocs */
(GInstanceInitFunc) ephy_arrow_toolbutton_init
};
ephy_arrow_toolbutton_type = g_type_register_static (GTK_TYPE_TOOL_BUTTON,
"EphyArrowToolButton",
&our_info, 0);
}
return ephy_arrow_toolbutton_type;
}
static gboolean
ephy_arrow_toolbutton_set_tooltip (GtkToolItem *tool_item,
GtkTooltips *tooltips,
const char *tip_text,
const char *tip_private)
{
EphyArrowToolButton *button = EPHY_ARROW_TOOLBUTTON (tool_item);
g_return_val_if_fail (EPHY_IS_ARROW_TOOLBUTTON (button), FALSE);
gtk_tooltips_set_tip (tooltips, button->priv->button, tip_text, tip_private);
return TRUE;
}
static void
ephy_arrow_toolbutton_class_init (EphyArrowToolButtonClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkToolItemClass *tool_item_class = GTK_TOOL_ITEM_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = ephy_arrow_toolbutton_finalize;
tool_item_class->set_tooltip = ephy_arrow_toolbutton_set_tooltip;
EphyArrowToolButtonSignals[EPHY_ARROW_TOOL_BUTTON_MENU_ACTIVATED] =
g_signal_new
("menu-activated", G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_FIRST | G_SIGNAL_RUN_LAST | G_SIGNAL_RUN_CLEANUP,
G_STRUCT_OFFSET (EphyArrowToolButtonClass, menu_activated),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
g_type_class_add_private (object_class, sizeof (EphyArrowToolButtonPrivate));
}
static void
button_state_changed_cb (GtkWidget *widget,
GtkStateType previous_state,
EphyArrowToolButton *b)
{
EphyArrowToolButtonPrivate *p = b->priv;
GtkWidget *button;
GtkStateType state = GTK_WIDGET_STATE (widget);
button = (widget == p->arrow_widget) ? p->button : p->arrow_widget;
g_signal_handlers_block_by_func
(G_OBJECT (button),
G_CALLBACK (button_state_changed_cb),
b);
if (state == GTK_STATE_PRELIGHT &&
previous_state != GTK_STATE_ACTIVE)
{
gtk_widget_set_state (button, state);
}
else if (state == GTK_STATE_NORMAL)
{
gtk_widget_set_state (button, state);
}
else if (state == GTK_STATE_ACTIVE)
{
gtk_widget_set_state (button, GTK_STATE_NORMAL);
}
g_signal_handlers_unblock_by_func
(G_OBJECT (button),
G_CALLBACK (button_state_changed_cb),
b);
}
static void
popup_menu_under_arrow (EphyArrowToolButton *b, GdkEventButton *event)
{
EphyArrowToolButtonPrivate *p = b->priv;
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (p->arrow_widget), TRUE);
LOG ("Emit menu activated signal");
g_signal_emit (b, EphyArrowToolButtonSignals[EPHY_ARROW_TOOL_BUTTON_MENU_ACTIVATED], 0);
gtk_menu_popup (p->menu, NULL, NULL, ephy_gui_menu_position_under_widget, b,
event ? event->button : 0,
event ? event->time : gtk_get_current_event_time ());
}
static void
menu_deactivated_cb (GtkMenuShell *ms, EphyArrowToolButton *b)
{
EphyArrowToolButtonPrivate *p = b->priv;
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (p->arrow_widget), FALSE);
}
static gboolean
arrow_button_press_event_cb (GtkWidget *widget, GdkEventButton *event, EphyArrowToolButton *b)
{
popup_menu_under_arrow (b, event);
return TRUE;
}
static gboolean
arrow_key_press_event_cb (GtkWidget *widget, GdkEventKey *event, EphyArrowToolButton *b)
{
if (event->keyval == GDK_space
|| event->keyval == GDK_KP_Space
|| event->keyval == GDK_Return
|| event->keyval == GDK_KP_Enter
|| event->keyval == GDK_Menu)
{
popup_menu_under_arrow (b, NULL);
}
return FALSE;
}
static void
ephy_arrow_toolbutton_init (EphyArrowToolButton *arrowtb)
{
GtkWidget *hbox;
GtkWidget *arrow;
GtkWidget *arrow_button;
GtkWidget *real_button;
arrowtb->priv = EPHY_ARROW_TOOLBUTTON_GET_PRIVATE (arrowtb);
gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (arrowtb), FALSE);
hbox = gtk_hbox_new (FALSE, 0);
gtk_widget_show (hbox);
real_button = GTK_BIN (arrowtb)->child;
g_object_ref (real_button);
gtk_container_remove (GTK_CONTAINER (arrowtb), real_button);
gtk_container_add (GTK_CONTAINER (hbox), real_button);
gtk_container_add (GTK_CONTAINER (arrowtb), hbox);
g_object_unref (real_button);
arrow_button = gtk_toggle_button_new ();
gtk_widget_show (arrow_button);
arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
gtk_widget_show (arrow);
gtk_button_set_relief (GTK_BUTTON (arrow_button), GTK_RELIEF_NONE);
gtk_container_add (GTK_CONTAINER (arrow_button), arrow);
gtk_box_pack_end (GTK_BOX (hbox), arrow_button,
FALSE, FALSE, 0);
arrowtb->priv->button = real_button;
arrowtb->priv->arrow_widget = arrow_button;
arrowtb->priv->menu = GTK_MENU (gtk_menu_new ());
g_object_ref (arrowtb->priv->menu);
gtk_object_sink (GTK_OBJECT (arrowtb->priv->menu));
g_signal_connect (arrowtb->priv->menu, "deactivate",
G_CALLBACK (menu_deactivated_cb), arrowtb);
g_signal_connect (real_button, "state_changed",
G_CALLBACK (button_state_changed_cb),
arrowtb);
g_signal_connect (arrow_button, "state_changed",
G_CALLBACK (button_state_changed_cb),
arrowtb);
g_signal_connect (arrow_button, "key_press_event",
G_CALLBACK (arrow_key_press_event_cb),
arrowtb);
g_signal_connect (arrow_button, "button_press_event",
G_CALLBACK (arrow_button_press_event_cb),
arrowtb);
}
static void
ephy_arrow_toolbutton_finalize (GObject *object)
{
EphyArrowToolButton *arrow_toolbutton = EPHY_ARROW_TOOLBUTTON (object);
gtk_widget_destroy (GTK_WIDGET (arrow_toolbutton->priv->menu));
G_OBJECT_CLASS (parent_class)->finalize (object);
}
GtkMenuShell *
ephy_arrow_toolbutton_get_menu (EphyArrowToolButton *b)
{
return GTK_MENU_SHELL (b->priv->menu);
}