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 Free
16 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 static void gtk_button_box_class_init (GtkButtonBoxClass *klass);
22 static void gtk_button_box_init (GtkButtonBox *box);
25 static gint default_child_min_width = 85;
26 static gint default_child_min_height = 27;
27 static gint default_child_ipad_x = 7;
28 static gint default_child_ipad_y = 0;
32 gtk_button_box_get_type ()
34 static guint button_box_type = 0;
38 GtkTypeInfo button_box_info =
41 sizeof (GtkButtonBox),
42 sizeof (GtkButtonBoxClass),
43 (GtkClassInitFunc) gtk_button_box_class_init,
44 (GtkObjectInitFunc) gtk_button_box_init,
48 button_box_type = gtk_type_unique (gtk_box_get_type (), &button_box_info);
51 return button_box_type;
55 gtk_button_box_class_init (GtkButtonBoxClass *class)
57 GtkWidgetClass *widget_class;
59 widget_class = (GtkWidgetClass*) class;
63 gtk_button_box_init (GtkButtonBox *button_box)
65 button_box->spacing = GTK_BUTTONBOX_DEFAULT;
66 button_box->child_min_width = GTK_BUTTONBOX_DEFAULT;
67 button_box->child_min_height = GTK_BUTTONBOX_DEFAULT;
68 button_box->child_ipad_x = GTK_BUTTONBOX_DEFAULT;
69 button_box->child_ipad_y = GTK_BUTTONBOX_DEFAULT;
70 button_box->layout_style = GTK_BUTTONBOX_DEFAULT;
74 /* set default values for child size and child internal padding */
75 /* default spacing is in defined in subclasses */
77 void gtk_button_box_set_child_size_default (gint width, gint height)
79 default_child_min_width = width;
80 default_child_min_height = height;
83 void gtk_button_box_set_child_ipadding_default (gint ipad_x, gint ipad_y)
85 default_child_ipad_x = ipad_x;
86 default_child_ipad_y = ipad_y;
89 /* get default values for child size and child internal padding */
91 void gtk_button_box_get_child_size_default (gint *width, gint *height)
93 *width = default_child_min_width;
94 *height = default_child_min_height;
97 void gtk_button_box_get_child_ipadding_default (gint *ipad_x, gint *ipad_y)
99 *ipad_x = default_child_ipad_x;
100 *ipad_y = default_child_ipad_y;
103 /* set per widget values for spacing, child size and child internal padding */
105 void gtk_button_box_set_spacing (GtkButtonBox *widget, gint spacing)
107 widget->spacing = spacing;
110 void gtk_button_box_set_child_size (GtkButtonBox *widget, gint width, gint height)
112 widget->child_min_width = width;
113 widget->child_min_height = height;
116 void gtk_button_box_set_child_ipadding (GtkButtonBox *widget,
117 gint ipad_x, gint ipad_y)
119 widget->child_ipad_x = ipad_x;
120 widget->child_ipad_y = ipad_y;
123 void gtk_button_box_set_layout (GtkButtonBox *widget, gint layout_style)
125 widget->layout_style = layout_style;
129 /* get per widget values for spacing, child size and child internal padding */
131 gint gtk_button_box_get_spacing (GtkButtonBox *widget)
133 return widget->spacing;
136 void gtk_button_box_get_child_size (GtkButtonBox *widget,
137 gint *width, gint *height)
139 *width = widget->child_min_width;
140 *height = widget->child_min_height;
143 void gtk_button_box_get_child_ipadding (GtkButtonBox *widget,
144 gint* ipad_x, gint *ipad_y)
146 *ipad_x = widget->child_ipad_x;
147 *ipad_y = widget->child_ipad_y;
150 gint gtk_button_box_get_layout (GtkButtonBox *widget)
152 return widget->layout_style;
157 /* Ask children how much space they require and round up
158 to match minimum size and internal padding.
159 Returns the size each single child should have. */
161 gtk_button_box_child_requisition (GtkWidget *widget,
172 GtkRequisition child_requisition;
180 gint child_min_width;
181 gint child_min_height;
185 g_return_if_fail (widget != NULL);
186 g_return_if_fail (GTK_IS_BUTTON_BOX (widget));
188 bbox = GTK_BUTTON_BOX (widget);
190 gtk_button_box_get_child_size_default (&width_default, &height_default);
191 gtk_button_box_get_child_ipadding_default (&ipad_x_default, &ipad_y_default);
193 child_min_width = bbox->child_min_width != GTK_BUTTONBOX_DEFAULT
194 ? bbox->child_min_width : width_default;
195 child_min_height = bbox->child_min_height !=GTK_BUTTONBOX_DEFAULT
196 ? bbox->child_min_height : height_default;
197 ipad_x = bbox->child_ipad_x != GTK_BUTTONBOX_DEFAULT
198 ? bbox->child_ipad_x : ipad_x_default;
199 ipad_y = bbox->child_ipad_y != GTK_BUTTONBOX_DEFAULT
200 ? bbox->child_ipad_y : ipad_y_default;
203 children = GTK_BOX(bbox)->children;
204 needed_width = child_min_width;
205 needed_height = child_min_height;
211 child = children->data;
212 children = children->next;
214 if (GTK_WIDGET_VISIBLE (child->widget))
217 gtk_widget_size_request (child->widget, &child_requisition);
218 if (child_requisition.width + ipad_w > needed_width)
219 needed_width = child_requisition.width + ipad_w;
220 if (child_requisition.height + ipad_h > needed_height)
221 needed_height = child_requisition.height + ipad_h;
225 *nvis_children = nchildren;
226 *width = needed_width;
227 *height = needed_height;