+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */

+

+/*

+ * Caja

+ *

+ * Copyright (C) 2009 Red Hat, Inc.

+ *

+ * Caja 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 of the

+ * License, or (at your option) any later version.

+ *

+ * Caja 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., 675 Mass Ave, Cambridge, MA 02139, USA.

+ *

+ * Authors: Alexander Larsson <[email protected]>

+ *

+ */

+

+#include <config.h>

+

+#include "caja-zoom-action.h"

+#include "caja-zoom-control.h"

+#include "caja-navigation-window.h"

+#include "caja-window-private.h"

+#include "caja-navigation-window-slot.h"

+#include <gtk/gtk.h>

+#include <eel/eel-gtk-extensions.h>

+

+G_DEFINE_TYPE (CajaZoomAction, caja_zoom_action, GTK_TYPE_ACTION)

+

+static void caja_zoom_action_init (CajaZoomAction *action);

+static void caja_zoom_action_class_init (CajaZoomActionClass *class);

+

+static GObjectClass *parent_class = NULL;

+

+#define CAJA_ZOOM_ACTION_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), CAJA_TYPE_ZOOM_ACTION, CajaZoomActionPrivate))

+

+struct CajaZoomActionPrivate

+{

+ CajaNavigationWindow *window;

+};

+

+enum

+{

+ PROP_0,

+ PROP_WINDOW

+};

+

+static void

+zoom_changed_callback (CajaWindow *window,

+ CajaZoomLevel zoom_level,

+ gboolean supports_zooming,

+ gboolean can_zoom,

+ gboolean can_zoom_in,

+ gboolean can_zoom_out,

+ GtkWidget *zoom_control)

+{

+ if (supports_zooming)

+ {

+ gtk_widget_set_sensitive (zoom_control, can_zoom);

+ gtk_widget_show (zoom_control);

+ if (can_zoom)

+ {

+ caja_zoom_control_set_zoom_level (CAJA_ZOOM_CONTROL (zoom_control),

+ zoom_level);

+ }

+ }

+ else

+ {

+ gtk_widget_hide (zoom_control);

+ }

+}

+

+static void

+connect_proxy (GtkAction *action,

+ GtkWidget *proxy)

+{

+ if (GTK_IS_TOOL_ITEM (proxy))

+ {

+ GtkToolItem *item = GTK_TOOL_ITEM (proxy);

+ CajaZoomAction *zaction = CAJA_ZOOM_ACTION (action);

+ CajaNavigationWindow *window = zaction->priv->window;

+ GtkWidget *zoom_control;

+

+ zoom_control = caja_zoom_control_new ();

+ gtk_container_set_border_width (GTK_CONTAINER (item), 4);

+ gtk_container_add (GTK_CONTAINER (item), zoom_control);

+ gtk_widget_show (zoom_control);

+

+ g_signal_connect_object (zoom_control, "zoom_in",

+ G_CALLBACK (caja_window_zoom_in),

+ window, G_CONNECT_SWAPPED);

+ g_signal_connect_object (zoom_control, "zoom_out",

+ G_CALLBACK (caja_window_zoom_out),

+ window, G_CONNECT_SWAPPED);

+ g_signal_connect_object (zoom_control, "zoom_to_level",

+ G_CALLBACK (caja_window_zoom_to_level),

+ window, G_CONNECT_SWAPPED);

+ g_signal_connect_object (zoom_control, "zoom_to_default",

+ G_CALLBACK (caja_window_zoom_to_default),

+ window, G_CONNECT_SWAPPED);

+

+ g_signal_connect (window, "zoom-changed",

+ G_CALLBACK (zoom_changed_callback),

+ zoom_control);

+ }

+

+ (* GTK_ACTION_CLASS (parent_class)->connect_proxy) (action, proxy);

+}

+

+static void

+disconnect_proxy (GtkAction *action,

+ GtkWidget *proxy)

+{

+ if (GTK_IS_TOOL_ITEM (proxy))

+ {

+ GtkToolItem *item = GTK_TOOL_ITEM (proxy);

+ CajaZoomAction *zaction = CAJA_ZOOM_ACTION (action);

+ CajaNavigationWindow *window = zaction->priv->window;

+ GtkWidget *child;

+

+ child = gtk_bin_get_child (GTK_BIN (item));

+

+ g_signal_handlers_disconnect_by_func (window, G_CALLBACK (zoom_changed_callback), child);

+

+ }

+

+ (* GTK_ACTION_CLASS (parent_class)->disconnect_proxy) (action, proxy);

+}

+

+static void

+caja_zoom_action_finalize (GObject *object)

+{

+ (* G_OBJECT_CLASS (parent_class)->finalize) (object);

+}

+

+static void

+caja_zoom_action_set_property (GObject *object,

+ guint prop_id,

+ const GValue *value,

+ GParamSpec *pspec)

+{

+ CajaZoomAction *zoom;

+

+ zoom = CAJA_ZOOM_ACTION (object);

+

+ switch (prop_id)

+ {

+ case PROP_WINDOW:

+ zoom->priv->window = CAJA_NAVIGATION_WINDOW (g_value_get_object (value));

+ break;

+ }

+}

+

+static void

+caja_zoom_action_get_property (GObject *object,

+ guint prop_id,

+ GValue *value,

+ GParamSpec *pspec)

+{

+ CajaZoomAction *zoom;

+

+ zoom = CAJA_ZOOM_ACTION (object);

+

+ switch (prop_id)

+ {

+ case PROP_WINDOW:

+ g_value_set_object (value, zoom->priv->window);

+ break;

+ }

+}

+

+static void

+caja_zoom_action_class_init (CajaZoomActionClass *class)

+{

+ GObjectClass *object_class = G_OBJECT_CLASS (class);

+ GtkActionClass *action_class = GTK_ACTION_CLASS (class);

+

+ object_class->finalize = caja_zoom_action_finalize;

+ object_class->set_property = caja_zoom_action_set_property;

+ object_class->get_property = caja_zoom_action_get_property;

+

+ parent_class = g_type_class_peek_parent (class);

+

+ action_class->toolbar_item_type = GTK_TYPE_TOOL_ITEM;

+ action_class->connect_proxy = connect_proxy;

+ action_class->disconnect_proxy = disconnect_proxy;

+

+ g_object_class_install_property (object_class,

+ PROP_WINDOW,

+ g_param_spec_object ("window",

+ "Window",

+ "The navigation window",

+ G_TYPE_OBJECT,

+ G_PARAM_READWRITE));

+

+ g_type_class_add_private (object_class, sizeof(CajaZoomActionPrivate));

+}

+

+static void

+caja_zoom_action_init (CajaZoomAction *action)

+{

+ action->priv = CAJA_ZOOM_ACTION_GET_PRIVATE (action);

+}