+void
+_psppire_button_box_child_requisition (GtkWidget *widget,
+ int *nvis_children,
+ int *nvis_secondaries,
+ int *width,
+ int *height)
+{
+ GtkButtonBox *bbox;
+ GtkBoxChild *child;
+ GList *children;
+ gint nchildren;
+ gint nsecondaries;
+ gint needed_width;
+ gint needed_height;
+ GtkRequisition child_requisition;
+ gint ipad_w;
+ gint ipad_h;
+ gint width_default;
+ gint height_default;
+ gint ipad_x_default;
+ gint ipad_y_default;
+
+ gint child_min_width;
+ gint child_min_height;
+ gint ipad_x;
+ gint ipad_y;
+
+ g_return_if_fail (GTK_IS_BUTTON_BOX (widget));
+
+ bbox = GTK_BUTTON_BOX (widget);
+
+ gtk_widget_style_get (widget,
+ "child-min-width", &width_default,
+ "child-min-height", &height_default,
+ "child-internal-pad-x", &ipad_x_default,
+ "child-internal-pad-y", &ipad_y_default,
+ NULL);
+
+ child_min_width = bbox->child_min_width != GTK_BUTTONBOX_DEFAULT
+ ? bbox->child_min_width : width_default;
+ child_min_height = bbox->child_min_height !=GTK_BUTTONBOX_DEFAULT
+ ? bbox->child_min_height : height_default;
+ ipad_x = bbox->child_ipad_x != GTK_BUTTONBOX_DEFAULT
+ ? bbox->child_ipad_x : ipad_x_default;
+ ipad_y = bbox->child_ipad_y != GTK_BUTTONBOX_DEFAULT
+ ? bbox->child_ipad_y : ipad_y_default;
+
+ nchildren = 0;
+ nsecondaries = 0;
+ children = GTK_BOX(bbox)->children;
+ needed_width = child_min_width;
+ needed_height = child_min_height;
+ ipad_w = ipad_x * 2;
+ ipad_h = ipad_y * 2;
+
+ while (children)
+ {
+ child = children->data;
+ children = children->next;
+
+ if (GTK_WIDGET_VISIBLE (child->widget))
+ {
+ nchildren += 1;
+ gtk_widget_size_request (child->widget, &child_requisition);
+
+ if (child_requisition.width + ipad_w > needed_width)
+ needed_width = child_requisition.width + ipad_w;
+ if (child_requisition.height + ipad_h > needed_height)
+ needed_height = child_requisition.height + ipad_h;
+ if (child->is_secondary)
+ nsecondaries++;
+ }
+ }