686 lines
17 KiB
C
686 lines
17 KiB
C
/* 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 <config.h>
|
|
#include "gtkbox.h"
|
|
#include "gtkprivate.h"
|
|
#include "gtkintl.h"
|
|
#include "gtkalias.h"
|
|
|
|
enum {
|
|
PROP_0,
|
|
PROP_SPACING,
|
|
PROP_HOMOGENEOUS
|
|
};
|
|
|
|
enum {
|
|
CHILD_PROP_0,
|
|
CHILD_PROP_EXPAND,
|
|
CHILD_PROP_FILL,
|
|
CHILD_PROP_PADDING,
|
|
CHILD_PROP_PACK_TYPE,
|
|
CHILD_PROP_POSITION
|
|
};
|
|
|
|
static void gtk_box_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec);
|
|
static void gtk_box_get_property (GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec);
|
|
static void gtk_box_add (GtkContainer *container,
|
|
GtkWidget *widget);
|
|
static void gtk_box_remove (GtkContainer *container,
|
|
GtkWidget *widget);
|
|
static void gtk_box_forall (GtkContainer *container,
|
|
gboolean include_internals,
|
|
GtkCallback callback,
|
|
gpointer callback_data);
|
|
static void gtk_box_set_child_property (GtkContainer *container,
|
|
GtkWidget *child,
|
|
guint property_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec);
|
|
static void gtk_box_get_child_property (GtkContainer *container,
|
|
GtkWidget *child,
|
|
guint property_id,
|
|
GValue *value,
|
|
GParamSpec *pspec);
|
|
static GType gtk_box_child_type (GtkContainer *container);
|
|
|
|
|
|
G_DEFINE_ABSTRACT_TYPE (GtkBox, gtk_box, GTK_TYPE_CONTAINER)
|
|
|
|
static void
|
|
gtk_box_class_init (GtkBoxClass *class)
|
|
{
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
|
|
GtkContainerClass *container_class = GTK_CONTAINER_CLASS (class);
|
|
|
|
gobject_class->set_property = gtk_box_set_property;
|
|
gobject_class->get_property = gtk_box_get_property;
|
|
|
|
container_class->add = gtk_box_add;
|
|
container_class->remove = gtk_box_remove;
|
|
container_class->forall = gtk_box_forall;
|
|
container_class->child_type = gtk_box_child_type;
|
|
container_class->set_child_property = gtk_box_set_child_property;
|
|
container_class->get_child_property = gtk_box_get_child_property;
|
|
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_SPACING,
|
|
g_param_spec_int ("spacing",
|
|
P_("Spacing"),
|
|
P_("The amount of space between children"),
|
|
0,
|
|
G_MAXINT,
|
|
0,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_HOMOGENEOUS,
|
|
g_param_spec_boolean ("homogeneous",
|
|
P_("Homogeneous"),
|
|
P_("Whether the children should all be the same size"),
|
|
FALSE,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
gtk_container_class_install_child_property (container_class,
|
|
CHILD_PROP_EXPAND,
|
|
g_param_spec_boolean ("expand",
|
|
P_("Expand"),
|
|
P_("Whether the child should receive extra space when the parent grows"),
|
|
TRUE,
|
|
GTK_PARAM_READWRITE));
|
|
gtk_container_class_install_child_property (container_class,
|
|
CHILD_PROP_FILL,
|
|
g_param_spec_boolean ("fill",
|
|
P_("Fill"),
|
|
P_("Whether extra space given to the child should be allocated to the child or used as padding"),
|
|
TRUE,
|
|
GTK_PARAM_READWRITE));
|
|
gtk_container_class_install_child_property (container_class,
|
|
CHILD_PROP_PADDING,
|
|
g_param_spec_uint ("padding",
|
|
P_("Padding"),
|
|
P_("Extra space to put between the child and its neighbors, in pixels"),
|
|
0, G_MAXINT, 0,
|
|
GTK_PARAM_READWRITE));
|
|
gtk_container_class_install_child_property (container_class,
|
|
CHILD_PROP_PACK_TYPE,
|
|
g_param_spec_enum ("pack-type",
|
|
P_("Pack type"),
|
|
P_("A GtkPackType indicating whether the child is packed with reference to the start or end of the parent"),
|
|
GTK_TYPE_PACK_TYPE, GTK_PACK_START,
|
|
GTK_PARAM_READWRITE));
|
|
gtk_container_class_install_child_property (container_class,
|
|
CHILD_PROP_POSITION,
|
|
g_param_spec_int ("position",
|
|
P_("Position"),
|
|
P_("The index of the child in the parent"),
|
|
-1, G_MAXINT, 0,
|
|
GTK_PARAM_READWRITE));
|
|
}
|
|
|
|
static void
|
|
gtk_box_init (GtkBox *box)
|
|
{
|
|
GTK_WIDGET_SET_FLAGS (box, GTK_NO_WINDOW);
|
|
gtk_widget_set_redraw_on_allocate (GTK_WIDGET (box), FALSE);
|
|
|
|
box->children = NULL;
|
|
box->spacing = 0;
|
|
box->homogeneous = FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_box_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkBox *box;
|
|
|
|
box = GTK_BOX (object);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_SPACING:
|
|
gtk_box_set_spacing (box, g_value_get_int (value));
|
|
break;
|
|
case PROP_HOMOGENEOUS:
|
|
gtk_box_set_homogeneous (box, g_value_get_boolean (value));
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void gtk_box_get_property (GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkBox *box;
|
|
|
|
box = GTK_BOX (object);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_SPACING:
|
|
g_value_set_int (value, box->spacing);
|
|
break;
|
|
case PROP_HOMOGENEOUS:
|
|
g_value_set_boolean (value, box->homogeneous);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static GType
|
|
gtk_box_child_type (GtkContainer *container)
|
|
{
|
|
return GTK_TYPE_WIDGET;
|
|
}
|
|
|
|
static void
|
|
gtk_box_set_child_property (GtkContainer *container,
|
|
GtkWidget *child,
|
|
guint property_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
gboolean expand = 0;
|
|
gboolean fill = 0;
|
|
guint padding = 0;
|
|
GtkPackType pack_type = 0;
|
|
|
|
if (property_id != CHILD_PROP_POSITION)
|
|
gtk_box_query_child_packing (GTK_BOX (container),
|
|
child,
|
|
&expand,
|
|
&fill,
|
|
&padding,
|
|
&pack_type);
|
|
switch (property_id)
|
|
{
|
|
case CHILD_PROP_EXPAND:
|
|
gtk_box_set_child_packing (GTK_BOX (container),
|
|
child,
|
|
g_value_get_boolean (value),
|
|
fill,
|
|
padding,
|
|
pack_type);
|
|
break;
|
|
case CHILD_PROP_FILL:
|
|
gtk_box_set_child_packing (GTK_BOX (container),
|
|
child,
|
|
expand,
|
|
g_value_get_boolean (value),
|
|
padding,
|
|
pack_type);
|
|
break;
|
|
case CHILD_PROP_PADDING:
|
|
gtk_box_set_child_packing (GTK_BOX (container),
|
|
child,
|
|
expand,
|
|
fill,
|
|
g_value_get_uint (value),
|
|
pack_type);
|
|
break;
|
|
case CHILD_PROP_PACK_TYPE:
|
|
gtk_box_set_child_packing (GTK_BOX (container),
|
|
child,
|
|
expand,
|
|
fill,
|
|
padding,
|
|
g_value_get_enum (value));
|
|
break;
|
|
case CHILD_PROP_POSITION:
|
|
gtk_box_reorder_child (GTK_BOX (container),
|
|
child,
|
|
g_value_get_int (value));
|
|
break;
|
|
default:
|
|
GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_box_get_child_property (GtkContainer *container,
|
|
GtkWidget *child,
|
|
guint property_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
gboolean expand = 0;
|
|
gboolean fill = 0;
|
|
guint padding = 0;
|
|
GtkPackType pack_type = 0;
|
|
GList *list;
|
|
|
|
if (property_id != CHILD_PROP_POSITION)
|
|
gtk_box_query_child_packing (GTK_BOX (container),
|
|
child,
|
|
&expand,
|
|
&fill,
|
|
&padding,
|
|
&pack_type);
|
|
switch (property_id)
|
|
{
|
|
guint i;
|
|
case CHILD_PROP_EXPAND:
|
|
g_value_set_boolean (value, expand);
|
|
break;
|
|
case CHILD_PROP_FILL:
|
|
g_value_set_boolean (value, fill);
|
|
break;
|
|
case CHILD_PROP_PADDING:
|
|
g_value_set_uint (value, padding);
|
|
break;
|
|
case CHILD_PROP_PACK_TYPE:
|
|
g_value_set_enum (value, pack_type);
|
|
break;
|
|
case CHILD_PROP_POSITION:
|
|
i = 0;
|
|
for (list = GTK_BOX (container)->children; list; list = list->next)
|
|
{
|
|
GtkBoxChild *child_entry;
|
|
|
|
child_entry = list->data;
|
|
if (child_entry->widget == child)
|
|
break;
|
|
i++;
|
|
}
|
|
g_value_set_int (value, list ? i : -1);
|
|
break;
|
|
default:
|
|
GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_box_pack_start (GtkBox *box,
|
|
GtkWidget *child,
|
|
gboolean expand,
|
|
gboolean fill,
|
|
guint padding)
|
|
{
|
|
GtkBoxChild *child_info;
|
|
|
|
g_return_if_fail (GTK_IS_BOX (box));
|
|
g_return_if_fail (GTK_IS_WIDGET (child));
|
|
g_return_if_fail (child->parent == 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;
|
|
child_info->is_secondary = FALSE;
|
|
|
|
box->children = g_list_append (box->children, child_info);
|
|
|
|
gtk_widget_freeze_child_notify (child);
|
|
|
|
gtk_widget_set_parent (child, GTK_WIDGET (box));
|
|
|
|
gtk_widget_child_notify (child, "expand");
|
|
gtk_widget_child_notify (child, "fill");
|
|
gtk_widget_child_notify (child, "padding");
|
|
gtk_widget_child_notify (child, "pack-type");
|
|
gtk_widget_child_notify (child, "position");
|
|
gtk_widget_thaw_child_notify (child);
|
|
}
|
|
|
|
void
|
|
gtk_box_pack_end (GtkBox *box,
|
|
GtkWidget *child,
|
|
gboolean expand,
|
|
gboolean fill,
|
|
guint padding)
|
|
{
|
|
GtkBoxChild *child_info;
|
|
|
|
g_return_if_fail (GTK_IS_BOX (box));
|
|
g_return_if_fail (GTK_IS_WIDGET (child));
|
|
g_return_if_fail (child->parent == 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;
|
|
child_info->is_secondary = FALSE;
|
|
|
|
box->children = g_list_append (box->children, child_info);
|
|
|
|
gtk_widget_freeze_child_notify (child);
|
|
|
|
gtk_widget_set_parent (child, GTK_WIDGET (box));
|
|
|
|
gtk_widget_child_notify (child, "expand");
|
|
gtk_widget_child_notify (child, "fill");
|
|
gtk_widget_child_notify (child, "padding");
|
|
gtk_widget_child_notify (child, "pack-type");
|
|
gtk_widget_child_notify (child, "position");
|
|
gtk_widget_thaw_child_notify (child);
|
|
}
|
|
|
|
void
|
|
gtk_box_pack_start_defaults (GtkBox *box,
|
|
GtkWidget *child)
|
|
{
|
|
gtk_box_pack_start (box, child, TRUE, TRUE, 0);
|
|
}
|
|
|
|
void
|
|
gtk_box_pack_end_defaults (GtkBox *box,
|
|
GtkWidget *child)
|
|
{
|
|
gtk_box_pack_end (box, child, TRUE, TRUE, 0);
|
|
}
|
|
|
|
void
|
|
gtk_box_set_homogeneous (GtkBox *box,
|
|
gboolean homogeneous)
|
|
{
|
|
g_return_if_fail (GTK_IS_BOX (box));
|
|
|
|
if ((homogeneous ? TRUE : FALSE) != box->homogeneous)
|
|
{
|
|
box->homogeneous = homogeneous ? TRUE : FALSE;
|
|
g_object_notify (G_OBJECT (box), "homogeneous");
|
|
gtk_widget_queue_resize (GTK_WIDGET (box));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_box_get_homogeneous:
|
|
* @box: a #GtkBox
|
|
*
|
|
* Returns whether the box is homogeneous (all children are the
|
|
* same size). See gtk_box_set_homogeneous ().
|
|
*
|
|
* Return value: %TRUE if the box is homogeneous.
|
|
**/
|
|
gboolean
|
|
gtk_box_get_homogeneous (GtkBox *box)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_BOX (box), FALSE);
|
|
|
|
return box->homogeneous;
|
|
}
|
|
|
|
void
|
|
gtk_box_set_spacing (GtkBox *box,
|
|
gint spacing)
|
|
{
|
|
g_return_if_fail (GTK_IS_BOX (box));
|
|
|
|
if (spacing != box->spacing)
|
|
{
|
|
box->spacing = spacing;
|
|
g_object_notify (G_OBJECT (box), "spacing");
|
|
gtk_widget_queue_resize (GTK_WIDGET (box));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_box_get_spacing:
|
|
* @box: a #GtkBox
|
|
*
|
|
* Gets the value set by gtk_box_set_spacing().
|
|
*
|
|
* Return value: spacing between children
|
|
**/
|
|
gint
|
|
gtk_box_get_spacing (GtkBox *box)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_BOX (box), 0);
|
|
|
|
return box->spacing;
|
|
}
|
|
|
|
void
|
|
gtk_box_reorder_child (GtkBox *box,
|
|
GtkWidget *child,
|
|
gint position)
|
|
{
|
|
GList *old_link;
|
|
GList *new_link;
|
|
GtkBoxChild *child_info = NULL;
|
|
gint old_position;
|
|
|
|
g_return_if_fail (GTK_IS_BOX (box));
|
|
g_return_if_fail (GTK_IS_WIDGET (child));
|
|
|
|
old_link = box->children;
|
|
old_position = 0;
|
|
while (old_link)
|
|
{
|
|
child_info = old_link->data;
|
|
if (child_info->widget == child)
|
|
break;
|
|
|
|
old_link = old_link->next;
|
|
old_position++;
|
|
}
|
|
|
|
g_return_if_fail (old_link != NULL);
|
|
|
|
if (position == old_position)
|
|
return;
|
|
|
|
box->children = g_list_delete_link (box->children, old_link);
|
|
|
|
if (position < 0)
|
|
new_link = NULL;
|
|
else
|
|
new_link = g_list_nth (box->children, position);
|
|
|
|
box->children = g_list_insert_before (box->children, new_link, child_info);
|
|
|
|
gtk_widget_child_notify (child, "position");
|
|
if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (box))
|
|
gtk_widget_queue_resize (child);
|
|
}
|
|
|
|
void
|
|
gtk_box_query_child_packing (GtkBox *box,
|
|
GtkWidget *child,
|
|
gboolean *expand,
|
|
gboolean *fill,
|
|
guint *padding,
|
|
GtkPackType *pack_type)
|
|
{
|
|
GList *list;
|
|
GtkBoxChild *child_info = NULL;
|
|
|
|
g_return_if_fail (GTK_IS_BOX (box));
|
|
g_return_if_fail (GTK_IS_WIDGET (child));
|
|
|
|
list = box->children;
|
|
while (list)
|
|
{
|
|
child_info = list->data;
|
|
if (child_info->widget == child)
|
|
break;
|
|
|
|
list = list->next;
|
|
}
|
|
|
|
if (list)
|
|
{
|
|
if (expand)
|
|
*expand = child_info->expand;
|
|
if (fill)
|
|
*fill = child_info->fill;
|
|
if (padding)
|
|
*padding = child_info->padding;
|
|
if (pack_type)
|
|
*pack_type = child_info->pack;
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_box_set_child_packing (GtkBox *box,
|
|
GtkWidget *child,
|
|
gboolean expand,
|
|
gboolean fill,
|
|
guint padding,
|
|
GtkPackType pack_type)
|
|
{
|
|
GList *list;
|
|
GtkBoxChild *child_info = NULL;
|
|
|
|
g_return_if_fail (GTK_IS_BOX (box));
|
|
g_return_if_fail (GTK_IS_WIDGET (child));
|
|
|
|
list = box->children;
|
|
while (list)
|
|
{
|
|
child_info = list->data;
|
|
if (child_info->widget == child)
|
|
break;
|
|
|
|
list = list->next;
|
|
}
|
|
|
|
gtk_widget_freeze_child_notify (child);
|
|
if (list)
|
|
{
|
|
child_info->expand = expand != FALSE;
|
|
gtk_widget_child_notify (child, "expand");
|
|
child_info->fill = fill != FALSE;
|
|
gtk_widget_child_notify (child, "fill");
|
|
child_info->padding = padding;
|
|
gtk_widget_child_notify (child, "padding");
|
|
if (pack_type == GTK_PACK_END)
|
|
child_info->pack = GTK_PACK_END;
|
|
else
|
|
child_info->pack = GTK_PACK_START;
|
|
gtk_widget_child_notify (child, "pack-type");
|
|
|
|
if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (box))
|
|
gtk_widget_queue_resize (child);
|
|
}
|
|
gtk_widget_thaw_child_notify (child);
|
|
}
|
|
|
|
static void
|
|
gtk_box_add (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
gtk_box_pack_start_defaults (GTK_BOX (container), widget);
|
|
}
|
|
|
|
static void
|
|
gtk_box_remove (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkBox *box;
|
|
GtkBoxChild *child;
|
|
GList *children;
|
|
|
|
box = GTK_BOX (container);
|
|
|
|
children = box->children;
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
|
|
if (child->widget == widget)
|
|
{
|
|
gboolean was_visible;
|
|
|
|
was_visible = GTK_WIDGET_VISIBLE (widget);
|
|
gtk_widget_unparent (widget);
|
|
|
|
box->children = g_list_remove_link (box->children, children);
|
|
g_list_free (children);
|
|
g_free (child);
|
|
|
|
/* queue resize regardless of GTK_WIDGET_VISIBLE (container),
|
|
* since that's what is needed by toplevels.
|
|
*/
|
|
if (was_visible)
|
|
gtk_widget_queue_resize (GTK_WIDGET (container));
|
|
|
|
break;
|
|
}
|
|
|
|
children = children->next;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_box_forall (GtkContainer *container,
|
|
gboolean include_internals,
|
|
GtkCallback callback,
|
|
gpointer callback_data)
|
|
{
|
|
GtkBox *box;
|
|
GtkBoxChild *child;
|
|
GList *children;
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
#define __GTK_BOX_C__
|
|
#include "gtkaliasdef.c"
|