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 Library 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 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library 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.
22 static void gtk_button_box_class_init (GtkButtonBoxClass *klass);
23 static void gtk_button_box_init (GtkButtonBox *box);
26 static gint default_child_min_width = 85;
27 static gint default_child_min_height = 27;
28 static gint default_child_ipad_x = 7;
29 static gint default_child_ipad_y = 0;
33 gtk_button_box_get_type (void)
35 static GtkType button_box_type = 0;
39 static const GtkTypeInfo button_box_info =
42 sizeof (GtkButtonBox),
43 sizeof (GtkButtonBoxClass),
44 (GtkClassInitFunc) gtk_button_box_class_init,
45 (GtkObjectInitFunc) gtk_button_box_init,
46 /* reserved_1 */ NULL,
47 /* reserved_2 */ NULL,
48 (GtkClassInitFunc) NULL,
51 button_box_type = gtk_type_unique (gtk_box_get_type (), &button_box_info);
54 return button_box_type;
58 gtk_button_box_class_init (GtkButtonBoxClass *class)
60 GtkWidgetClass *widget_class;
62 widget_class = (GtkWidgetClass*) class;
66 gtk_button_box_init (GtkButtonBox *button_box)
68 button_box->spacing = GTK_BUTTONBOX_DEFAULT;
69 button_box->child_min_width = GTK_BUTTONBOX_DEFAULT;
70 button_box->child_min_height = GTK_BUTTONBOX_DEFAULT;
71 button_box->child_ipad_x = GTK_BUTTONBOX_DEFAULT;
72 button_box->child_ipad_y = GTK_BUTTONBOX_DEFAULT;
73 button_box->layout_style = GTK_BUTTONBOX_DEFAULT_STYLE;
77 /* set default values for child size and child internal padding */
78 /* default spacing is in defined in subclasses */
80 void gtk_button_box_set_child_size_default (gint width, gint height)
82 default_child_min_width = width;
83 default_child_min_height = height;
86 void gtk_button_box_set_child_ipadding_default (gint ipad_x, gint ipad_y)
88 default_child_ipad_x = ipad_x;
89 default_child_ipad_y = ipad_y;
92 /* get default values for child size and child internal padding */
94 void gtk_button_box_get_child_size_default (gint *width, gint *height)
96 *width = default_child_min_width;
97 *height = default_child_min_height;
100 void gtk_button_box_get_child_ipadding_default (gint *ipad_x, gint *ipad_y)
102 *ipad_x = default_child_ipad_x;
103 *ipad_y = default_child_ipad_y;
106 /* set per widget values for spacing, child size and child internal padding */
108 void gtk_button_box_set_spacing (GtkButtonBox *widget, gint spacing)
110 widget->spacing = spacing;
113 void gtk_button_box_set_child_size (GtkButtonBox *widget, gint width, gint height)
115 widget->child_min_width = width;
116 widget->child_min_height = height;
119 void gtk_button_box_set_child_ipadding (GtkButtonBox *widget,
120 gint ipad_x, gint ipad_y)
122 widget->child_ipad_x = ipad_x;
123 widget->child_ipad_y = ipad_y;
126 void gtk_button_box_set_layout (GtkButtonBox *widget,
127 GtkButtonBoxStyle layout_style)
129 g_return_if_fail (layout_style >= GTK_BUTTONBOX_DEFAULT_STYLE &&
130 layout_style <= GTK_BUTTONBOX_END);
132 widget->layout_style = layout_style;
136 /* get per widget values for spacing, child size and child internal padding */
138 gint gtk_button_box_get_spacing (GtkButtonBox *widget)
140 return widget->spacing;
143 void gtk_button_box_get_child_size (GtkButtonBox *widget,
144 gint *width, gint *height)
146 *width = widget->child_min_width;
147 *height = widget->child_min_height;
150 void gtk_button_box_get_child_ipadding (GtkButtonBox *widget,
151 gint* ipad_x, gint *ipad_y)
153 *ipad_x = widget->child_ipad_x;
154 *ipad_y = widget->child_ipad_y;
157 GtkButtonBoxStyle gtk_button_box_get_layout (GtkButtonBox *widget)
159 return widget->layout_style;
164 /* Ask children how much space they require and round up
165 to match minimum size and internal padding.
166 Returns the size each single child should have. */
168 gtk_button_box_child_requisition (GtkWidget *widget,
179 GtkRequisition child_requisition;
187 gint child_min_width;
188 gint child_min_height;
192 g_return_if_fail (widget != NULL);
193 g_return_if_fail (GTK_IS_BUTTON_BOX (widget));
195 bbox = GTK_BUTTON_BOX (widget);
197 gtk_button_box_get_child_size_default (&width_default, &height_default);
198 gtk_button_box_get_child_ipadding_default (&ipad_x_default, &ipad_y_default);
200 child_min_width = bbox->child_min_width != GTK_BUTTONBOX_DEFAULT
201 ? bbox->child_min_width : width_default;
202 child_min_height = bbox->child_min_height !=GTK_BUTTONBOX_DEFAULT
203 ? bbox->child_min_height : height_default;
204 ipad_x = bbox->child_ipad_x != GTK_BUTTONBOX_DEFAULT
205 ? bbox->child_ipad_x : ipad_x_default;
206 ipad_y = bbox->child_ipad_y != GTK_BUTTONBOX_DEFAULT
207 ? bbox->child_ipad_y : ipad_y_default;
210 children = GTK_BOX(bbox)->children;
211 needed_width = child_min_width;
212 needed_height = child_min_height;
218 child = children->data;
219 children = children->next;
221 if (GTK_WIDGET_VISIBLE (child->widget))
224 gtk_widget_size_request (child->widget, &child_requisition);
225 if (child_requisition.width + ipad_w > needed_width)
226 needed_width = child_requisition.width + ipad_w;
227 if (child_requisition.height + ipad_h > needed_height)
228 needed_height = child_requisition.height + ipad_h;
232 *nvis_children = nchildren;
233 *width = needed_width;
234 *height = needed_height;