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,
49 button_box_type = gtk_type_unique (gtk_box_get_type (), &button_box_info);
52 return button_box_type;
56 gtk_button_box_class_init (GtkButtonBoxClass *class)
58 GtkWidgetClass *widget_class;
60 widget_class = (GtkWidgetClass*) class;
64 gtk_button_box_init (GtkButtonBox *button_box)
66 button_box->spacing = GTK_BUTTONBOX_DEFAULT;
67 button_box->child_min_width = GTK_BUTTONBOX_DEFAULT;
68 button_box->child_min_height = GTK_BUTTONBOX_DEFAULT;
69 button_box->child_ipad_x = GTK_BUTTONBOX_DEFAULT;
70 button_box->child_ipad_y = GTK_BUTTONBOX_DEFAULT;
71 button_box->layout_style = GTK_BUTTONBOX_DEFAULT_STYLE;
75 /* set default values for child size and child internal padding */
76 /* default spacing is in defined in subclasses */
78 void gtk_button_box_set_child_size_default (gint width, gint height)
80 default_child_min_width = width;
81 default_child_min_height = height;
84 void gtk_button_box_set_child_ipadding_default (gint ipad_x, gint ipad_y)
86 default_child_ipad_x = ipad_x;
87 default_child_ipad_y = ipad_y;
90 /* get default values for child size and child internal padding */
92 void gtk_button_box_get_child_size_default (gint *width, gint *height)
94 *width = default_child_min_width;
95 *height = default_child_min_height;
98 void gtk_button_box_get_child_ipadding_default (gint *ipad_x, gint *ipad_y)
100 *ipad_x = default_child_ipad_x;
101 *ipad_y = default_child_ipad_y;
104 /* set per widget values for spacing, child size and child internal padding */
106 void gtk_button_box_set_spacing (GtkButtonBox *widget, gint spacing)
108 widget->spacing = spacing;
111 void gtk_button_box_set_child_size (GtkButtonBox *widget, gint width, gint height)
113 widget->child_min_width = width;
114 widget->child_min_height = height;
117 void gtk_button_box_set_child_ipadding (GtkButtonBox *widget,
118 gint ipad_x, gint ipad_y)
120 widget->child_ipad_x = ipad_x;
121 widget->child_ipad_y = ipad_y;
124 void gtk_button_box_set_layout (GtkButtonBox *widget,
125 GtkButtonBoxStyle layout_style)
127 g_return_if_fail (layout_style >= GTK_BUTTONBOX_DEFAULT_STYLE &&
128 layout_style <= GTK_BUTTONBOX_END);
130 widget->layout_style = layout_style;
134 /* get per widget values for spacing, child size and child internal padding */
136 gint gtk_button_box_get_spacing (GtkButtonBox *widget)
138 return widget->spacing;
141 void gtk_button_box_get_child_size (GtkButtonBox *widget,
142 gint *width, gint *height)
144 *width = widget->child_min_width;
145 *height = widget->child_min_height;
148 void gtk_button_box_get_child_ipadding (GtkButtonBox *widget,
149 gint* ipad_x, gint *ipad_y)
151 *ipad_x = widget->child_ipad_x;
152 *ipad_y = widget->child_ipad_y;
155 GtkButtonBoxStyle gtk_button_box_get_layout (GtkButtonBox *widget)
157 return widget->layout_style;
162 /* Ask children how much space they require and round up
163 to match minimum size and internal padding.
164 Returns the size each single child should have. */
166 gtk_button_box_child_requisition (GtkWidget *widget,
177 GtkRequisition child_requisition;
185 gint child_min_width;
186 gint child_min_height;
190 g_return_if_fail (widget != NULL);
191 g_return_if_fail (GTK_IS_BUTTON_BOX (widget));
193 bbox = GTK_BUTTON_BOX (widget);
195 gtk_button_box_get_child_size_default (&width_default, &height_default);
196 gtk_button_box_get_child_ipadding_default (&ipad_x_default, &ipad_y_default);
198 child_min_width = bbox->child_min_width != GTK_BUTTONBOX_DEFAULT
199 ? bbox->child_min_width : width_default;
200 child_min_height = bbox->child_min_height !=GTK_BUTTONBOX_DEFAULT
201 ? bbox->child_min_height : height_default;
202 ipad_x = bbox->child_ipad_x != GTK_BUTTONBOX_DEFAULT
203 ? bbox->child_ipad_x : ipad_x_default;
204 ipad_y = bbox->child_ipad_y != GTK_BUTTONBOX_DEFAULT
205 ? bbox->child_ipad_y : ipad_y_default;
208 children = GTK_BOX(bbox)->children;
209 needed_width = child_min_width;
210 needed_height = child_min_height;
216 child = children->data;
217 children = children->next;
219 if (GTK_WIDGET_VISIBLE (child->widget))
222 gtk_widget_size_request (child->widget, &child_requisition);
223 if (child_requisition.width + ipad_w > needed_width)
224 needed_width = child_requisition.width + ipad_w;
225 if (child_requisition.height + ipad_h > needed_height)
226 needed_height = child_requisition.height + ipad_h;
230 *nvis_children = nchildren;
231 *width = needed_width;
232 *height = needed_height;