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 GtkTypeInfo button_box_info =
42 sizeof (GtkButtonBox),
43 sizeof (GtkButtonBoxClass),
44 (GtkClassInitFunc) gtk_button_box_class_init,
45 (GtkObjectInitFunc) gtk_button_box_init,
50 button_box_type = gtk_type_unique (gtk_box_get_type (), &button_box_info);
53 return button_box_type;
57 gtk_button_box_class_init (GtkButtonBoxClass *class)
59 GtkWidgetClass *widget_class;
61 widget_class = (GtkWidgetClass*) class;
65 gtk_button_box_init (GtkButtonBox *button_box)
67 button_box->spacing = GTK_BUTTONBOX_DEFAULT;
68 button_box->child_min_width = GTK_BUTTONBOX_DEFAULT;
69 button_box->child_min_height = GTK_BUTTONBOX_DEFAULT;
70 button_box->child_ipad_x = GTK_BUTTONBOX_DEFAULT;
71 button_box->child_ipad_y = GTK_BUTTONBOX_DEFAULT;
72 button_box->layout_style = GTK_BUTTONBOX_DEFAULT_STYLE;
76 /* set default values for child size and child internal padding */
77 /* default spacing is in defined in subclasses */
79 void gtk_button_box_set_child_size_default (gint width, gint height)
81 default_child_min_width = width;
82 default_child_min_height = height;
85 void gtk_button_box_set_child_ipadding_default (gint ipad_x, gint ipad_y)
87 default_child_ipad_x = ipad_x;
88 default_child_ipad_y = ipad_y;
91 /* get default values for child size and child internal padding */
93 void gtk_button_box_get_child_size_default (gint *width, gint *height)
95 *width = default_child_min_width;
96 *height = default_child_min_height;
99 void gtk_button_box_get_child_ipadding_default (gint *ipad_x, gint *ipad_y)
101 *ipad_x = default_child_ipad_x;
102 *ipad_y = default_child_ipad_y;
105 /* set per widget values for spacing, child size and child internal padding */
107 void gtk_button_box_set_spacing (GtkButtonBox *widget, gint spacing)
109 widget->spacing = spacing;
112 void gtk_button_box_set_child_size (GtkButtonBox *widget, gint width, gint height)
114 widget->child_min_width = width;
115 widget->child_min_height = height;
118 void gtk_button_box_set_child_ipadding (GtkButtonBox *widget,
119 gint ipad_x, gint ipad_y)
121 widget->child_ipad_x = ipad_x;
122 widget->child_ipad_y = ipad_y;
125 void gtk_button_box_set_layout (GtkButtonBox *widget,
126 GtkButtonBoxStyle layout_style)
128 g_return_if_fail (layout_style >= GTK_BUTTONBOX_DEFAULT_STYLE &&
129 layout_style <= GTK_BUTTONBOX_END);
131 widget->layout_style = layout_style;
135 /* get per widget values for spacing, child size and child internal padding */
137 gint gtk_button_box_get_spacing (GtkButtonBox *widget)
139 return widget->spacing;
142 void gtk_button_box_get_child_size (GtkButtonBox *widget,
143 gint *width, gint *height)
145 *width = widget->child_min_width;
146 *height = widget->child_min_height;
149 void gtk_button_box_get_child_ipadding (GtkButtonBox *widget,
150 gint* ipad_x, gint *ipad_y)
152 *ipad_x = widget->child_ipad_x;
153 *ipad_y = widget->child_ipad_y;
156 GtkButtonBoxStyle gtk_button_box_get_layout (GtkButtonBox *widget)
158 return widget->layout_style;
163 /* Ask children how much space they require and round up
164 to match minimum size and internal padding.
165 Returns the size each single child should have. */
167 gtk_button_box_child_requisition (GtkWidget *widget,
178 GtkRequisition child_requisition;
186 gint child_min_width;
187 gint child_min_height;
191 g_return_if_fail (widget != NULL);
192 g_return_if_fail (GTK_IS_BUTTON_BOX (widget));
194 bbox = GTK_BUTTON_BOX (widget);
196 gtk_button_box_get_child_size_default (&width_default, &height_default);
197 gtk_button_box_get_child_ipadding_default (&ipad_x_default, &ipad_y_default);
199 child_min_width = bbox->child_min_width != GTK_BUTTONBOX_DEFAULT
200 ? bbox->child_min_width : width_default;
201 child_min_height = bbox->child_min_height !=GTK_BUTTONBOX_DEFAULT
202 ? bbox->child_min_height : height_default;
203 ipad_x = bbox->child_ipad_x != GTK_BUTTONBOX_DEFAULT
204 ? bbox->child_ipad_x : ipad_x_default;
205 ipad_y = bbox->child_ipad_y != GTK_BUTTONBOX_DEFAULT
206 ? bbox->child_ipad_y : ipad_y_default;
209 children = GTK_BOX(bbox)->children;
210 needed_width = child_min_width;
211 needed_height = child_min_height;
217 child = children->data;
218 children = children->next;
220 if (GTK_WIDGET_VISIBLE (child->widget))
223 gtk_widget_size_request (child->widget, &child_requisition);
224 if (child_requisition.width + ipad_w > needed_width)
225 needed_width = child_requisition.width + ipad_w;
226 if (child_requisition.height + ipad_h > needed_height)
227 needed_height = child_requisition.height + ipad_h;
231 *nvis_children = nchildren;
232 *width = needed_width;
233 *height = needed_height;