moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 211 insertions, 0 deletions

diff --git a/src/caja-zoom-action.c b/src/caja-zoom-action.c
new file mode 100644
index 00000000..690042e0
--- /dev/null
+++ b/src/caja-zoom-action.c
@@ -0,0 +1,211 @@
+/* -*- 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);
+}