1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
29 #include "gtkorientable.h"
30 #include "gtkseparator.h"
31 #include "gtkprivate.h"
35 * SECTION:gtkseparator
36 * @Short_description: Base class for GtkHSeparator and GtkVSeparator
37 * @Title: GtkSeparator
39 * The GtkSeparator widget is the base class for #GtkHSeparator and
40 * #GtkVSeparator. It can be used in the same way as these, by setting
41 * the "orientation" property suitably.
45 struct _GtkSeparatorPrivate
47 GtkOrientation orientation;
56 static void gtk_separator_set_property (GObject *object,
60 static void gtk_separator_get_property (GObject *object,
64 static void gtk_separator_get_preferred_width
68 static void gtk_separator_get_preferred_height
72 static gboolean gtk_separator_draw (GtkWidget *widget,
76 G_DEFINE_TYPE_WITH_CODE (GtkSeparator, gtk_separator, GTK_TYPE_WIDGET,
77 G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE,
82 gtk_separator_class_init (GtkSeparatorClass *class)
84 GObjectClass *object_class = G_OBJECT_CLASS (class);
85 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
87 object_class->set_property = gtk_separator_set_property;
88 object_class->get_property = gtk_separator_get_property;
90 widget_class->get_preferred_width = gtk_separator_get_preferred_width;
91 widget_class->get_preferred_height = gtk_separator_get_preferred_height;
93 widget_class->draw = gtk_separator_draw;
95 g_object_class_override_property (object_class, PROP_ORIENTATION, "orientation");
97 g_type_class_add_private (object_class, sizeof (GtkSeparatorPrivate));
101 gtk_separator_init (GtkSeparator *separator)
103 GtkSeparatorPrivate *private;
105 separator->priv = G_TYPE_INSTANCE_GET_PRIVATE (separator,
107 GtkSeparatorPrivate);
108 private = separator->priv;
110 gtk_widget_set_has_window (GTK_WIDGET (separator), FALSE);
112 private->orientation = GTK_ORIENTATION_HORIZONTAL;
116 reset_orientation_style (GtkSeparator *separator)
118 GtkStyleContext *context;
120 context = gtk_widget_get_style_context (GTK_WIDGET (separator));
122 if (separator->priv->orientation == GTK_ORIENTATION_VERTICAL)
124 gtk_style_context_add_class (context, GTK_STYLE_CLASS_VERTICAL);
125 gtk_style_context_remove_class (context, GTK_STYLE_CLASS_HORIZONTAL);
129 gtk_style_context_add_class (context, GTK_STYLE_CLASS_HORIZONTAL);
130 gtk_style_context_remove_class (context, GTK_STYLE_CLASS_VERTICAL);
135 gtk_separator_set_property (GObject *object,
140 GtkSeparator *separator = GTK_SEPARATOR (object);
141 GtkSeparatorPrivate *private = separator->priv;
145 case PROP_ORIENTATION:
146 private->orientation = g_value_get_enum (value);
147 reset_orientation_style (separator);
148 gtk_widget_queue_resize (GTK_WIDGET (object));
151 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
157 gtk_separator_get_property (GObject *object,
162 GtkSeparator *separator = GTK_SEPARATOR (object);
163 GtkSeparatorPrivate *private = separator->priv;
167 case PROP_ORIENTATION:
168 g_value_set_enum (value, private->orientation);
171 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
177 gtk_separator_get_preferred_size (GtkWidget *widget,
178 GtkOrientation orientation,
182 GtkSeparator *separator = GTK_SEPARATOR (widget);
183 GtkSeparatorPrivate *private = separator->priv;
184 GtkStyleContext *context;
191 context = gtk_widget_get_style_context (widget);
192 state = gtk_widget_get_state_flags (widget);
193 gtk_style_context_get_border (context, state, &border);
195 gtk_widget_style_get (widget,
196 "wide-separators", &wide_sep,
197 "separator-width", &sep_width,
198 "separator-height", &sep_height,
201 if (orientation == private->orientation)
203 *minimum = *natural = 1;
205 else if (orientation == GTK_ORIENTATION_VERTICAL)
207 *minimum = *natural = wide_sep ? sep_height : border.top;
211 *minimum = *natural = wide_sep ? sep_width : border.left;
216 gtk_separator_get_preferred_width (GtkWidget *widget,
220 gtk_separator_get_preferred_size (widget, GTK_ORIENTATION_HORIZONTAL, minimum, natural);
224 gtk_separator_get_preferred_height (GtkWidget *widget,
228 gtk_separator_get_preferred_size (widget, GTK_ORIENTATION_VERTICAL, minimum, natural);
232 gtk_separator_draw (GtkWidget *widget,
235 GtkSeparator *separator = GTK_SEPARATOR (widget);
236 GtkSeparatorPrivate *private = separator->priv;
238 GtkStyleContext *context;
241 gboolean wide_separators;
242 gint separator_width;
243 gint separator_height;
246 context = gtk_widget_get_style_context (widget);
247 gtk_widget_style_get (widget,
248 "wide-separators", &wide_separators,
249 "separator-width", &separator_width,
250 "separator-height", &separator_height,
253 window = gtk_widget_get_window (widget);
254 state = gtk_widget_get_state_flags (widget);
255 width = gtk_widget_get_allocated_width (widget);
256 height = gtk_widget_get_allocated_height (widget);
258 gtk_style_context_get_padding (context, state, &padding);
260 gtk_style_context_save (context);
261 gtk_style_context_set_state (context, state);
263 if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
266 gtk_render_frame (context, cr,
267 0, (height - separator_height) / 2,
268 width, separator_height);
270 gtk_render_line (context, cr,
271 0, (height - padding.top) / 2,
272 width - 1, (height - padding.top) / 2);
277 gtk_render_frame (context, cr,
278 (width - separator_width) / 2, 0,
279 separator_width, height);
281 gtk_render_line (context, cr,
282 (width - padding.left) / 2, 0,
283 (width - padding.left) / 2, height - 1);
291 * @orientation: the separator's orientation.
293 * Creates a new #GtkSeparator with the given orientation.
295 * Return value: a new #GtkSeparator.
300 gtk_separator_new (GtkOrientation orientation)
302 return g_object_new (GTK_TYPE_SEPARATOR,
303 "orientation", orientation,