2 * Copyright (C) 2003, 2004 Christian Persch
4 * Modified 2005 by James Bowes for use in evince.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2, or (at your option)
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #include "ephy-zoom-control.h"
26 #include "ephy-zoom.h"
29 #include <glib/gi18n.h>
31 #define EPHY_ZOOM_CONTROL_GET_PRIVATE(object)\
32 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_ZOOM_CONTROL, EphyZoomControlPrivate))
34 struct _EphyZoomControlPrivate
59 static guint signals[LAST_SIGNAL];
61 G_DEFINE_TYPE (EphyZoomControl, ephy_zoom_control, GTK_TYPE_TOOL_ITEM)
64 combo_changed_cb (GtkComboBox *combo, EphyZoomControl *control)
69 index = gtk_combo_box_get_active (combo);
70 zoom = zoom_levels[index].level;
72 if (zoom != control->priv->zoom)
74 g_signal_emit (control, signals[ZOOM_TO_LEVEL_SIGNAL], 0, zoom);
79 sync_zoom_cb (EphyZoomControl *control, GParamSpec *pspec, gpointer data)
81 EphyZoomControlPrivate *p = control->priv;
84 index = ephy_zoom_get_zoom_level_index (p->zoom);
86 g_signal_handler_block (p->combo, p->handler_id);
87 gtk_combo_box_set_active (p->combo, index);
88 g_signal_handler_unblock (p->combo, p->handler_id);
92 row_is_separator (GtkTreeModel *model,
97 gtk_tree_model_get (model, iter, COL_IS_SEP, &is_sep, -1);
102 ephy_zoom_control_finalize (GObject *o)
104 EphyZoomControl *control = EPHY_ZOOM_CONTROL (o);
106 g_object_unref (control->priv->combo);
108 G_OBJECT_CLASS (ephy_zoom_control_parent_class)->finalize (o);
112 ephy_zoom_control_init (EphyZoomControl *control)
114 EphyZoomControlPrivate *p;
116 GtkCellRenderer *renderer;
121 p = EPHY_ZOOM_CONTROL_GET_PRIVATE (control);
126 store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_BOOLEAN);
128 for (i = 0; i < n_zoom_levels; i++)
130 gtk_list_store_append (store, &iter);
132 if (zoom_levels[i].name != NULL) {
133 gtk_list_store_set (store, &iter,
134 COL_TEXT, _(zoom_levels[i].name),
137 gtk_list_store_set (store, &iter,
138 COL_IS_SEP, zoom_levels[i].name == NULL,
143 p->combo = GTK_COMBO_BOX (gtk_combo_box_new_with_model (GTK_TREE_MODEL (store)));
144 g_object_unref (store);
146 renderer = gtk_cell_renderer_text_new ();
147 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (p->combo), renderer, TRUE);
148 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (p->combo), renderer,
149 "text", COL_TEXT, NULL);
150 gtk_combo_box_set_row_separator_func (p->combo,
151 (GtkTreeViewRowSeparatorFunc) row_is_separator,
154 gtk_combo_box_set_focus_on_click (p->combo, FALSE);
155 g_object_ref_sink (G_OBJECT (p->combo));
156 gtk_widget_show (GTK_WIDGET (p->combo));
158 i = ephy_zoom_get_zoom_level_index (p->zoom);
159 gtk_combo_box_set_active (p->combo, i);
161 vbox = gtk_vbox_new (TRUE, 0);
162 gtk_box_pack_start (GTK_BOX (vbox), GTK_WIDGET (p->combo), TRUE, FALSE, 0);
163 gtk_widget_show (vbox);
165 gtk_container_add (GTK_CONTAINER (control), vbox);
167 p->handler_id = g_signal_connect (p->combo, "changed",
168 G_CALLBACK (combo_changed_cb), control);
170 g_signal_connect_object (control, "notify::zoom",
171 G_CALLBACK (sync_zoom_cb), NULL, 0);
175 ephy_zoom_control_set_property (GObject *object,
180 EphyZoomControl *control;
181 EphyZoomControlPrivate *p;
183 control = EPHY_ZOOM_CONTROL (object);
189 p->zoom = g_value_get_float (value);
195 ephy_zoom_control_get_property (GObject *object,
200 EphyZoomControl *control;
201 EphyZoomControlPrivate *p;
203 control = EPHY_ZOOM_CONTROL (object);
209 g_value_set_float (value, p->zoom);
215 ephy_zoom_control_class_init (EphyZoomControlClass *klass)
217 GObjectClass *object_class;
218 GtkToolItemClass *tool_item_class;
220 object_class = (GObjectClass *)klass;
221 tool_item_class = (GtkToolItemClass *)klass;
223 object_class->set_property = ephy_zoom_control_set_property;
224 object_class->get_property = ephy_zoom_control_get_property;
225 object_class->finalize = ephy_zoom_control_finalize;
227 g_object_class_install_property (object_class,
229 g_param_spec_float ("zoom",
231 "Zoom level to display in the item.",
237 signals[ZOOM_TO_LEVEL_SIGNAL] =
238 g_signal_new ("zoom_to_level",
239 G_TYPE_FROM_CLASS (klass),
241 G_STRUCT_OFFSET (EphyZoomControlClass,
244 g_cclosure_marshal_VOID__FLOAT,
249 g_type_class_add_private (object_class, sizeof (EphyZoomControlPrivate));
253 ephy_zoom_control_set_zoom_level (EphyZoomControl *control, float zoom)
255 g_return_if_fail (EPHY_IS_ZOOM_CONTROL (control));
257 if (zoom < ZOOM_MINIMAL || zoom > ZOOM_MAXIMAL) return;
259 control->priv->zoom = zoom;
260 g_object_notify (G_OBJECT (control), "zoom");
264 ephy_zoom_control_get_zoom_level (EphyZoomControl *control)
266 g_return_val_if_fail (EPHY_IS_ZOOM_CONTROL (control), 1.0);
268 return control->priv->zoom;