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/.
30 static void gtk_button_box_class_init (GtkButtonBoxClass *klass);
31 static void gtk_button_box_init (GtkButtonBox *box);
34 static gint default_child_min_width = 85;
35 static gint default_child_min_height = 27;
36 static gint default_child_ipad_x = 7;
37 static gint default_child_ipad_y = 0;
41 gtk_button_box_get_type (void)
43 static GtkType button_box_type = 0;
47 static const GtkTypeInfo button_box_info =
50 sizeof (GtkButtonBox),
51 sizeof (GtkButtonBoxClass),
52 (GtkClassInitFunc) gtk_button_box_class_init,
53 (GtkObjectInitFunc) gtk_button_box_init,
54 /* reserved_1 */ NULL,
55 /* reserved_2 */ NULL,
56 (GtkClassInitFunc) NULL,
59 button_box_type = gtk_type_unique (gtk_box_get_type (), &button_box_info);
62 return button_box_type;
66 gtk_button_box_class_init (GtkButtonBoxClass *class)
68 GtkWidgetClass *widget_class;
70 widget_class = (GtkWidgetClass*) class;
74 gtk_button_box_init (GtkButtonBox *button_box)
76 button_box->spacing = GTK_BUTTONBOX_DEFAULT;
77 button_box->child_min_width = GTK_BUTTONBOX_DEFAULT;
78 button_box->child_min_height = GTK_BUTTONBOX_DEFAULT;
79 button_box->child_ipad_x = GTK_BUTTONBOX_DEFAULT;
80 button_box->child_ipad_y = GTK_BUTTONBOX_DEFAULT;
81 button_box->layout_style = GTK_BUTTONBOX_DEFAULT_STYLE;
85 /* set default values for child size and child internal padding */
86 /* default spacing is in defined in subclasses */
88 void gtk_button_box_set_child_size_default (gint width, gint height)
90 default_child_min_width = width;
91 default_child_min_height = height;
94 void gtk_button_box_set_child_ipadding_default (gint ipad_x, gint ipad_y)
96 default_child_ipad_x = ipad_x;
97 default_child_ipad_y = ipad_y;
100 /* get default values for child size and child internal padding */
102 void gtk_button_box_get_child_size_default (gint *width, gint *height)
104 *width = default_child_min_width;
105 *height = default_child_min_height;
108 void gtk_button_box_get_child_ipadding_default (gint *ipad_x, gint *ipad_y)
110 *ipad_x = default_child_ipad_x;
111 *ipad_y = default_child_ipad_y;
114 /* set per widget values for spacing, child size and child internal padding */
116 void gtk_button_box_set_spacing (GtkButtonBox *widget, gint spacing)
118 widget->spacing = spacing;
121 void gtk_button_box_set_child_size (GtkButtonBox *widget, gint width, gint height)
123 widget->child_min_width = width;
124 widget->child_min_height = height;
127 void gtk_button_box_set_child_ipadding (GtkButtonBox *widget,
128 gint ipad_x, gint ipad_y)
130 widget->child_ipad_x = ipad_x;
131 widget->child_ipad_y = ipad_y;
134 void gtk_button_box_set_layout (GtkButtonBox *widget,
135 GtkButtonBoxStyle layout_style)
137 g_return_if_fail (layout_style >= GTK_BUTTONBOX_DEFAULT_STYLE &&
138 layout_style <= GTK_BUTTONBOX_END);
140 widget->layout_style = layout_style;
144 /* get per widget values for spacing, child size and child internal padding */
146 gint gtk_button_box_get_spacing (GtkButtonBox *widget)
148 return widget->spacing;
151 void gtk_button_box_get_child_size (GtkButtonBox *widget,
152 gint *width, gint *height)
154 *width = widget->child_min_width;
155 *height = widget->child_min_height;
158 void gtk_button_box_get_child_ipadding (GtkButtonBox *widget,
159 gint* ipad_x, gint *ipad_y)
161 *ipad_x = widget->child_ipad_x;
162 *ipad_y = widget->child_ipad_y;
165 GtkButtonBoxStyle gtk_button_box_get_layout (GtkButtonBox *widget)
167 return widget->layout_style;
172 /* Ask children how much space they require and round up
173 to match minimum size and internal padding.
174 Returns the size each single child should have. */
176 gtk_button_box_child_requisition (GtkWidget *widget,
187 GtkRequisition child_requisition;
195 gint child_min_width;
196 gint child_min_height;
200 g_return_if_fail (widget != NULL);
201 g_return_if_fail (GTK_IS_BUTTON_BOX (widget));
203 bbox = GTK_BUTTON_BOX (widget);
205 gtk_button_box_get_child_size_default (&width_default, &height_default);
206 gtk_button_box_get_child_ipadding_default (&ipad_x_default, &ipad_y_default);
208 child_min_width = bbox->child_min_width != GTK_BUTTONBOX_DEFAULT
209 ? bbox->child_min_width : width_default;
210 child_min_height = bbox->child_min_height !=GTK_BUTTONBOX_DEFAULT
211 ? bbox->child_min_height : height_default;
212 ipad_x = bbox->child_ipad_x != GTK_BUTTONBOX_DEFAULT
213 ? bbox->child_ipad_x : ipad_x_default;
214 ipad_y = bbox->child_ipad_y != GTK_BUTTONBOX_DEFAULT
215 ? bbox->child_ipad_y : ipad_y_default;
218 children = GTK_BOX(bbox)->children;
219 needed_width = child_min_width;
220 needed_height = child_min_height;
226 child = children->data;
227 children = children->next;
229 if (GTK_WIDGET_VISIBLE (child->widget))
232 gtk_widget_size_request (child->widget, &child_requisition);
233 if (child_requisition.width + ipad_w > needed_width)
234 needed_width = child_requisition.width + ipad_w;
235 if (child_requisition.height + ipad_h > needed_height)
236 needed_height = child_requisition.height + ipad_h;
240 *nvis_children = nchildren;
241 *width = needed_width;
242 *height = needed_height;