Merge eog-menu-api branch

2003-01-20  Marco Pesenti Gritti  <marco@it.gnome.org>

	* Merge eog-menu-api branch

1 files changed, 234 insertions, 0 deletions

diff --git a/lib/widgets/ephy-arrow-toolbutton.c b/lib/widgets/ephy-arrow-toolbutton.c
new file mode 100644
index 000000000..abc5ed4f2
--- /dev/null
+++ b/lib/widgets/ephy-arrow-toolbutton.c
@@ -0,0 +1,234 @@
+/*
+ *  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.
+ */
+
+#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>
+
+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 (EGG_TYPE_TOOL_BUTTON,
+							             "EphyArrowToolButton",
+							             &our_info, 0);
+        }
+
+        return ephy_arrow_toolbutton_type;
+}
+
+static void
+ephy_arrow_toolbutton_class_init (EphyArrowToolButtonClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+	parent_class = g_type_class_peek_parent (klass);
+
+	object_class->finalize = ephy_arrow_toolbutton_finalize;
+
+	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,
+		 ephy_marshal_VOID__VOID,
+		 G_TYPE_NONE, 0);
+}
+
+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);
+	GtkStateType other;
+
+	if (state == GTK_STATE_ACTIVE ||
+	    state == GTK_STATE_SELECTED ||
+	    state == GTK_STATE_INSENSITIVE)
+	{
+		return;
+	}
+
+	button = (widget == p->arrow_widget) ? p->button : p->arrow_widget;
+	other = GTK_WIDGET_STATE (button);
+
+	if (state != other)
+	{
+		gtk_widget_set_state (button, state);
+	}
+}
+
+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 = g_new (EphyArrowToolButtonPrivate, 1);
+
+	egg_tool_item_set_homogeneous (EGG_TOOL_ITEM (arrowtb), FALSE);
+
+	hbox = gtk_hbox_new (FALSE, 0);
+	gtk_widget_show (hbox);
+	real_button = EGG_TOOL_BUTTON (arrowtb)->button;
+	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);
+
+	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_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_free (arrow_toolbutton->priv);
+
+	G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+GtkMenuShell *
+ephy_arrow_toolbutton_get_menu (EphyArrowToolButton *b)
+{
+	return GTK_MENU_SHELL (b->priv->menu);
+}