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-rw-r--r--gtk/gtkbox.c453
1 files changed, 453 insertions, 0 deletions
diff --git a/gtk/gtkbox.c b/gtk/gtkbox.c
new file mode 100644
index 000000000..dfb2fed08
--- /dev/null
+++ b/gtk/gtkbox.c
@@ -0,0 +1,453 @@
+/* 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 Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include "gtkbox.h"
+
+
+static void gtk_box_class_init (GtkBoxClass *klass);
+static void gtk_box_init (GtkBox *box);
+static void gtk_box_destroy (GtkObject *object);
+static void gtk_box_map (GtkWidget *widget);
+static void gtk_box_unmap (GtkWidget *widget);
+static void gtk_box_draw (GtkWidget *widget,
+ GdkRectangle *area);
+static gint gtk_box_expose (GtkWidget *widget,
+ GdkEventExpose *event);
+static void gtk_box_add (GtkContainer *container,
+ GtkWidget *widget);
+static void gtk_box_remove (GtkContainer *container,
+ GtkWidget *widget);
+static void gtk_box_foreach (GtkContainer *container,
+ GtkCallback callback,
+ gpointer callback_data);
+
+
+static GtkContainerClass *parent_class = NULL;
+
+
+guint
+gtk_box_get_type ()
+{
+ static guint box_type = 0;
+
+ if (!box_type)
+ {
+ GtkTypeInfo box_info =
+ {
+ "GtkBox",
+ sizeof (GtkBox),
+ sizeof (GtkBoxClass),
+ (GtkClassInitFunc) gtk_box_class_init,
+ (GtkObjectInitFunc) gtk_box_init,
+ (GtkArgFunc) NULL,
+ };
+
+ box_type = gtk_type_unique (gtk_container_get_type (), &box_info);
+ }
+
+ return box_type;
+}
+
+static void
+gtk_box_class_init (GtkBoxClass *class)
+{
+ GtkObjectClass *object_class;
+ GtkWidgetClass *widget_class;
+ GtkContainerClass *container_class;
+
+ object_class = (GtkObjectClass*) class;
+ widget_class = (GtkWidgetClass*) class;
+ container_class = (GtkContainerClass*) class;
+
+ parent_class = gtk_type_class (gtk_container_get_type ());
+
+ object_class->destroy = gtk_box_destroy;
+
+ widget_class->map = gtk_box_map;
+ widget_class->unmap = gtk_box_unmap;
+ widget_class->draw = gtk_box_draw;
+ widget_class->expose_event = gtk_box_expose;
+
+ container_class->add = gtk_box_add;
+ container_class->remove = gtk_box_remove;
+ container_class->foreach = gtk_box_foreach;
+}
+
+static void
+gtk_box_init (GtkBox *box)
+{
+ GTK_WIDGET_SET_FLAGS (box, GTK_NO_WINDOW | GTK_BASIC);
+
+ box->children = NULL;
+ box->spacing = 0;
+ box->homogeneous = FALSE;
+}
+
+void
+gtk_box_pack_start (GtkBox *box,
+ GtkWidget *child,
+ gint expand,
+ gint fill,
+ gint padding)
+{
+ GtkBoxChild *child_info;
+
+ g_return_if_fail (box != NULL);
+ g_return_if_fail (GTK_IS_BOX (box));
+ g_return_if_fail (child != NULL);
+
+ child_info = g_new (GtkBoxChild, 1);
+ child_info->widget = child;
+ child_info->padding = padding;
+ child_info->expand = expand ? TRUE : FALSE;
+ child_info->fill = fill ? TRUE : FALSE;
+ child_info->pack = GTK_PACK_START;
+
+ box->children = g_list_append (box->children, child_info);
+
+ gtk_widget_set_parent (child, GTK_WIDGET (box));
+
+ if (GTK_WIDGET_VISIBLE (GTK_WIDGET (box)))
+ {
+ if (GTK_WIDGET_REALIZED (GTK_WIDGET (box)) &&
+ !GTK_WIDGET_REALIZED (child))
+ gtk_widget_realize (child);
+
+ if (GTK_WIDGET_MAPPED (GTK_WIDGET (box)) &&
+ !GTK_WIDGET_MAPPED (child))
+ gtk_widget_map (child);
+ }
+
+ if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (box))
+ gtk_widget_queue_resize (child);
+}
+
+void
+gtk_box_pack_end (GtkBox *box,
+ GtkWidget *child,
+ gint expand,
+ gint fill,
+ gint padding)
+{
+ GtkBoxChild *child_info;
+
+ g_return_if_fail (box != NULL);
+ g_return_if_fail (GTK_IS_BOX (box));
+ g_return_if_fail (child != NULL);
+
+ child_info = g_new (GtkBoxChild, 1);
+ child_info->widget = child;
+ child_info->padding = padding;
+ child_info->expand = expand ? TRUE : FALSE;
+ child_info->fill = fill ? TRUE : FALSE;
+ child_info->pack = GTK_PACK_END;
+
+ box->children = g_list_append (box->children, child_info);
+
+ gtk_widget_set_parent (child, GTK_WIDGET (box));
+
+ if (GTK_WIDGET_VISIBLE (GTK_WIDGET (box)))
+ {
+ if (GTK_WIDGET_REALIZED (GTK_WIDGET (box)) &&
+ !GTK_WIDGET_REALIZED (child))
+ gtk_widget_realize (child);
+
+ if (GTK_WIDGET_MAPPED (GTK_WIDGET (box)) &&
+ !GTK_WIDGET_MAPPED (child))
+ gtk_widget_map (child);
+ }
+
+ if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (box))
+ gtk_widget_queue_resize (child);
+}
+
+void
+gtk_box_pack_start_defaults (GtkBox *box,
+ GtkWidget *child)
+{
+ g_return_if_fail (box != NULL);
+ g_return_if_fail (GTK_IS_BOX (box));
+ g_return_if_fail (child != NULL);
+
+ gtk_box_pack_start (box, child, TRUE, TRUE, 0);
+}
+
+void
+gtk_box_pack_end_defaults (GtkBox *box,
+ GtkWidget *child)
+{
+ g_return_if_fail (box != NULL);
+ g_return_if_fail (GTK_IS_BOX (box));
+ g_return_if_fail (child != NULL);
+
+ gtk_box_pack_end (box, child, TRUE, TRUE, 0);
+}
+
+void
+gtk_box_set_homogeneous (GtkBox *box,
+ gint homogeneous)
+{
+ g_return_if_fail (box != NULL);
+ g_return_if_fail (GTK_IS_BOX (box));
+
+ if ((homogeneous ? TRUE : FALSE) != box->homogeneous)
+ {
+ box->homogeneous = homogeneous ? TRUE : FALSE;
+ gtk_widget_queue_resize (GTK_WIDGET (box));
+ }
+}
+
+void
+gtk_box_set_spacing (GtkBox *box,
+ gint spacing)
+{
+ g_return_if_fail (box != NULL);
+ g_return_if_fail (GTK_IS_BOX (box));
+
+ if (spacing != box->spacing)
+ {
+ box->spacing = spacing;
+ gtk_widget_queue_resize (GTK_WIDGET (box));
+ }
+}
+
+
+static void
+gtk_box_destroy (GtkObject *object)
+{
+ GtkBox *box;
+ GtkBoxChild *child;
+ GList *children;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GTK_IS_BOX (object));
+
+ box = GTK_BOX (object);
+
+ children = box->children;
+ while (children)
+ {
+ child = children->data;
+ children = children->next;
+
+ child->widget->parent = NULL;
+ gtk_object_unref (GTK_OBJECT (child->widget));
+ gtk_widget_destroy (child->widget);
+ g_free (child);
+ }
+
+ g_list_free (box->children);
+
+ if (GTK_OBJECT_CLASS (parent_class)->destroy)
+ (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+}
+
+static void
+gtk_box_map (GtkWidget *widget)
+{
+ GtkBox *box;
+ GtkBoxChild *child;
+ GList *children;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_BOX (widget));
+
+ box = GTK_BOX (widget);
+ GTK_WIDGET_SET_FLAGS (box, GTK_MAPPED);
+
+ children = box->children;
+ while (children)
+ {
+ child = children->data;
+ children = children->next;
+
+ if (GTK_WIDGET_VISIBLE (child->widget) &&
+ !GTK_WIDGET_MAPPED (child->widget))
+ gtk_widget_map (child->widget);
+ }
+}
+
+static void
+gtk_box_unmap (GtkWidget *widget)
+{
+ GtkBox *box;
+ GtkBoxChild *child;
+ GList *children;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_BOX (widget));
+
+ box = GTK_BOX (widget);
+ GTK_WIDGET_UNSET_FLAGS (box, GTK_MAPPED);
+
+ children = box->children;
+ while (children)
+ {
+ child = children->data;
+ children = children->next;
+
+ if (GTK_WIDGET_VISIBLE (child->widget) &&
+ GTK_WIDGET_MAPPED (child->widget))
+ gtk_widget_unmap (child->widget);
+ }
+}
+
+static void
+gtk_box_draw (GtkWidget *widget,
+ GdkRectangle *area)
+{
+ GtkBox *box;
+ GtkBoxChild *child;
+ GdkRectangle child_area;
+ GList *children;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_BOX (widget));
+
+ if (GTK_WIDGET_DRAWABLE (widget))
+ {
+ box = GTK_BOX (widget);
+
+ children = box->children;
+ while (children)
+ {
+ child = children->data;
+ children = children->next;
+
+ if (gtk_widget_intersect (child->widget, area, &child_area))
+ gtk_widget_draw (child->widget, &child_area);
+ }
+ }
+}
+
+static gint
+gtk_box_expose (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ GtkBox *box;
+ GtkBoxChild *child;
+ GdkEventExpose child_event;
+ GList *children;
+
+ g_return_val_if_fail (widget != NULL, FALSE);
+ g_return_val_if_fail (GTK_IS_BOX (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ if (GTK_WIDGET_DRAWABLE (widget))
+ {
+ box = GTK_BOX (widget);
+
+ child_event = *event;
+
+ children = box->children;
+ while (children)
+ {
+ child = children->data;
+ children = children->next;
+
+ if (GTK_WIDGET_NO_WINDOW (child->widget) &&
+ gtk_widget_intersect (child->widget, &event->area, &child_event.area))
+ gtk_widget_event (child->widget, (GdkEvent*) &child_event);
+ }
+ }
+
+ return FALSE;
+}
+
+static void
+gtk_box_add (GtkContainer *container,
+ GtkWidget *widget)
+{
+ g_return_if_fail (container != NULL);
+ g_return_if_fail (GTK_IS_BOX (container));
+ g_return_if_fail (widget != NULL);
+
+ gtk_box_pack_start_defaults (GTK_BOX (container), widget);
+}
+
+static void
+gtk_box_remove (GtkContainer *container,
+ GtkWidget *widget)
+{
+ GtkBox *box;
+ GtkBoxChild *child;
+ GList *children;
+
+ g_return_if_fail (container != NULL);
+ g_return_if_fail (GTK_IS_BOX (container));
+ g_return_if_fail (widget != NULL);
+
+ box = GTK_BOX (container);
+
+ children = box->children;
+ while (children)
+ {
+ child = children->data;
+
+ if (child->widget == widget)
+ {
+ gtk_widget_unparent (widget);
+
+ box->children = g_list_remove_link (box->children, children);
+ g_list_free (children);
+ g_free (child);
+
+ if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
+ gtk_widget_queue_resize (GTK_WIDGET (container));
+
+ break;
+ }
+
+ children = children->next;
+ }
+}
+
+static void
+gtk_box_foreach (GtkContainer *container,
+ GtkCallback callback,
+ gpointer callback_data)
+{
+ GtkBox *box;
+ GtkBoxChild *child;
+ GList *children;
+
+ g_return_if_fail (container != NULL);
+ g_return_if_fail (GTK_IS_BOX (container));
+ g_return_if_fail (callback != NULL);
+
+ box = GTK_BOX (container);
+
+ children = box->children;
+ while (children)
+ {
+ child = children->data;
+ children = children->next;
+
+ if (child->pack == GTK_PACK_START)
+ (* callback) (child->widget, callback_data);
+ }
+
+ children = g_list_last (box->children);
+ while (children)
+ {
+ child = children->data;
+ children = children->prev;
+
+ if (child->pack == GTK_PACK_END)
+ (* callback) (child->widget, callback_data);
+ }
+}
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