--- /dev/null
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#include <lttv/gtkcustomhbox.h>
+
+
+static void gtk_custom_hbox_class_init (GtkCustomHBoxClass *klass);
+static void gtk_custom_hbox_init (GtkCustomHBox *box);
+static void gtk_custom_hbox_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void gtk_custom_hbox_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+
+
+GType
+gtk_custom_hbox_get_type (void)
+{
+ static GType hbox_type = 0;
+
+ if (!hbox_type)
+ {
+ static const GTypeInfo hbox_info =
+ {
+ sizeof (GtkCustomHBoxClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) gtk_custom_hbox_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (GtkCustomHBox),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) gtk_custom_hbox_init,
+ };
+
+ hbox_type = g_type_register_static (GTK_TYPE_BOX, "GtkCustomHBox",
+ &hbox_info, 0);
+ }
+
+ return hbox_type;
+}
+
+static void
+gtk_custom_hbox_finalize (GObject *object)
+{
+ GtkCustomHBox * hbox = GTK_CUSTOM_HBOX (object);
+
+ hbox->remove_item(hbox);
+
+ G_OBJECT_CLASS(g_type_class_peek_parent(GTK_CUSTOM_HBOX_GET_CLASS(hbox)))->finalize(G_OBJECT(object));
+}
+
+static void
+gtk_custom_hbox_class_init (GtkCustomHBoxClass *class)
+{
+ GtkWidgetClass *widget_class;
+ GObjectClass *gobject_class = G_OBJECT_CLASS(class);
+
+ gobject_class->finalize = gtk_custom_hbox_finalize;
+
+ widget_class = (GtkWidgetClass*) class;
+
+ widget_class->size_request = gtk_custom_hbox_size_request;
+ widget_class->size_allocate = gtk_custom_hbox_size_allocate;
+}
+
+static void
+gtk_custom_hbox_init (GtkCustomHBox *hbox)
+{
+}
+
+GtkWidget*
+gtk_custom_hbox_new (gboolean homogeneous,
+ gint spacing,
+ remove_func remove)
+{
+ GtkCustomHBox *hbox;
+
+ hbox = g_object_new (GTK_TYPE_CUSTOM_HBOX, NULL);
+ hbox->remove_item = remove;
+
+ GTK_BOX (hbox)->spacing = spacing;
+ GTK_BOX (hbox)->homogeneous = homogeneous ? TRUE : FALSE;
+
+ return GTK_WIDGET (hbox);
+}
+
+static void
+gtk_custom_hbox_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ GtkBox *box;
+ GtkBoxChild *child;
+ GList *children;
+ gint nvis_children;
+ gint width;
+
+ box = GTK_BOX (widget);
+ requisition->width = 0;
+ requisition->height = 0;
+ nvis_children = 0;
+
+ children = box->children;
+ while (children)
+ {
+ child = children->data;
+ children = children->next;
+
+ if (GTK_WIDGET_VISIBLE (child->widget))
+ {
+ GtkRequisition child_requisition;
+
+ gtk_widget_size_request (child->widget, &child_requisition);
+
+ if (box->homogeneous)
+ {
+ width = child_requisition.width + child->padding * 2;
+ requisition->width = MAX (requisition->width, width);
+ }
+ else
+ {
+ requisition->width += child_requisition.width + child->padding * 2;
+ }
+
+ requisition->height = MAX (requisition->height, child_requisition.height);
+
+ nvis_children += 1;
+ }
+ }
+
+ if (nvis_children > 0)
+ {
+ if (box->homogeneous)
+ requisition->width *= nvis_children;
+ requisition->width += (nvis_children - 1) * box->spacing;
+ }
+
+ requisition->width += GTK_CONTAINER (box)->border_width * 2;
+ requisition->height += GTK_CONTAINER (box)->border_width * 2;
+}
+
+static void
+gtk_custom_hbox_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GtkBox *box;
+ GtkBoxChild *child;
+ GList *children;
+ GtkAllocation child_allocation;
+ gint nvis_children;
+ gint nexpand_children;
+ gint child_width;
+ gint width;
+ gint extra;
+ gint x;
+ GtkTextDirection direction;
+
+ box = GTK_BOX (widget);
+ widget->allocation = *allocation;
+
+ direction = gtk_widget_get_direction (widget);
+
+ nvis_children = 0;
+ nexpand_children = 0;
+ children = box->children;
+
+ while (children)
+ {
+ child = children->data;
+ children = children->next;
+
+ if (GTK_WIDGET_VISIBLE (child->widget))
+ {
+ nvis_children += 1;
+ if (child->expand)
+ nexpand_children += 1;
+ }
+ }
+
+ if (nvis_children > 0)
+ {
+ if (box->homogeneous)
+ {
+ width = (allocation->width -
+ GTK_CONTAINER (box)->border_width * 2 -
+ (nvis_children - 1) * box->spacing);
+ extra = width / nvis_children;
+ }
+ else if (nexpand_children > 0)
+ {
+ width = (gint) allocation->width - (gint) widget->requisition.width;
+ extra = width / nexpand_children;
+ }
+ else
+ {
+ width = 0;
+ extra = 0;
+ }
+
+ x = allocation->x + GTK_CONTAINER (box)->border_width;
+ child_allocation.y = allocation->y + GTK_CONTAINER (box)->border_width;
+ child_allocation.height = MAX (1, (gint) allocation->height - (gint) GTK_CONTAINER (box)->border_width * 2);
+
+ children = box->children;
+ while (children)
+ {
+ child = children->data;
+ children = children->next;
+
+ if ((child->pack == GTK_PACK_START) && GTK_WIDGET_VISIBLE (child->widget))
+ {
+ if (box->homogeneous)
+ {
+ if (nvis_children == 1)
+ child_width = width;
+ else
+ child_width = extra;
+
+ nvis_children -= 1;
+ width -= extra;
+ }
+ else
+ {
+ GtkRequisition child_requisition;
+
+ gtk_widget_get_child_requisition (child->widget, &child_requisition);
+
+ child_width = child_requisition.width + child->padding * 2;
+
+ if (child->expand)
+ {
+ if (nexpand_children == 1)
+ child_width += width;
+ else
+ child_width += extra;
+
+ nexpand_children -= 1;
+ width -= extra;
+ }
+ }
+
+ if (child->fill)
+ {
+ child_allocation.width = MAX (1, (gint) child_width - (gint) child->padding * 2);
+ child_allocation.x = x + child->padding;
+ }
+ else
+ {
+ GtkRequisition child_requisition;
+
+ gtk_widget_get_child_requisition (child->widget, &child_requisition);
+ child_allocation.width = child_requisition.width;
+ child_allocation.x = x + (child_width - child_allocation.width) / 2;
+ }
+
+ if (direction == GTK_TEXT_DIR_RTL)
+ child_allocation.x = allocation->x + allocation->width - (child_allocation.x - allocation->x) - child_allocation.width;
+
+ gtk_widget_size_allocate (child->widget, &child_allocation);
+
+ x += child_width + box->spacing;
+ }
+ }
+
+ x = allocation->x + allocation->width - GTK_CONTAINER (box)->border_width;
+
+ children = box->children;
+ while (children)
+ {
+ child = children->data;
+ children = children->next;
+
+ if ((child->pack == GTK_PACK_END) && GTK_WIDGET_VISIBLE (child->widget))
+ {
+ GtkRequisition child_requisition;
+ gtk_widget_get_child_requisition (child->widget, &child_requisition);
+
+ if (box->homogeneous)
+ {
+ if (nvis_children == 1)
+ child_width = width;
+ else
+ child_width = extra;
+
+ nvis_children -= 1;
+ width -= extra;
+ }
+ else
+ {
+ child_width = child_requisition.width + child->padding * 2;
+
+ if (child->expand)
+ {
+ if (nexpand_children == 1)
+ child_width += width;
+ else
+ child_width += extra;
+
+ nexpand_children -= 1;
+ width -= extra;
+ }
+ }
+
+ if (child->fill)
+ {
+ child_allocation.width = MAX (1, (gint)child_width - (gint)child->padding * 2);
+ child_allocation.x = x + child->padding - child_width;
+ }
+ else
+ {
+ child_allocation.width = child_requisition.width;
+ child_allocation.x = x + (child_width - child_allocation.width) / 2 - child_width;
+ }
+
+ if (direction == GTK_TEXT_DIR_RTL)
+ child_allocation.x = allocation->x + allocation->width - (child_allocation.x - allocation->x) - child_allocation.width;
+
+ gtk_widget_size_allocate (child->widget, &child_allocation);
+
+ x -= (child_width + box->spacing);
+ }
+ }
+ }
+}
projects / lttv.git / commitdiff
