1265 lines
37 KiB
C
1265 lines
37 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 "gtkorientable.h"
|
|
#include "gtkprivate.h"
|
|
#include "gtkintl.h"
|
|
#include "gtkalias.h"
|
|
|
|
enum {
|
|
PROP_0,
|
|
PROP_ORIENTATION,
|
|
PROP_SPACING,
|
|
PROP_HOMOGENEOUS
|
|
};
|
|
|
|
enum {
|
|
CHILD_PROP_0,
|
|
CHILD_PROP_EXPAND,
|
|
CHILD_PROP_FILL,
|
|
CHILD_PROP_PADDING,
|
|
CHILD_PROP_PACK_TYPE,
|
|
CHILD_PROP_POSITION
|
|
};
|
|
|
|
|
|
typedef struct _GtkBoxPrivate GtkBoxPrivate;
|
|
|
|
struct _GtkBoxPrivate
|
|
{
|
|
GtkOrientation orientation;
|
|
guint default_expand : 1;
|
|
guint spacing_set : 1;
|
|
};
|
|
|
|
#define GTK_BOX_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_BOX, GtkBoxPrivate))
|
|
|
|
|
|
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_size_request (GtkWidget *widget,
|
|
GtkRequisition *requisition);
|
|
static void gtk_box_size_allocate (GtkWidget *widget,
|
|
GtkAllocation *allocation);
|
|
|
|
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_WITH_CODE (GtkBox, gtk_box, GTK_TYPE_CONTAINER,
|
|
G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE,
|
|
NULL));
|
|
|
|
static void
|
|
gtk_box_class_init (GtkBoxClass *class)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (class);
|
|
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
|
|
GtkContainerClass *container_class = GTK_CONTAINER_CLASS (class);
|
|
|
|
object_class->set_property = gtk_box_set_property;
|
|
object_class->get_property = gtk_box_get_property;
|
|
|
|
widget_class->size_request = gtk_box_size_request;
|
|
widget_class->size_allocate = gtk_box_size_allocate;
|
|
|
|
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_override_property (object_class,
|
|
PROP_ORIENTATION,
|
|
"orientation");
|
|
|
|
g_object_class_install_property (object_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 (object_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));
|
|
|
|
g_type_class_add_private (object_class, sizeof (GtkBoxPrivate));
|
|
}
|
|
|
|
static void
|
|
gtk_box_init (GtkBox *box)
|
|
{
|
|
GtkBoxPrivate *private = GTK_BOX_GET_PRIVATE (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;
|
|
|
|
private->orientation = GTK_ORIENTATION_HORIZONTAL;
|
|
private->default_expand = FALSE;
|
|
private->spacing_set = FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_box_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkBox *box = GTK_BOX (object);
|
|
GtkBoxPrivate *private = GTK_BOX_GET_PRIVATE (box);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_ORIENTATION:
|
|
private->orientation = g_value_get_enum (value);
|
|
gtk_widget_queue_resize (GTK_WIDGET (box));
|
|
break;
|
|
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 = GTK_BOX (object);
|
|
GtkBoxPrivate *private = GTK_BOX_GET_PRIVATE (box);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_ORIENTATION:
|
|
g_value_set_enum (value, private->orientation);
|
|
break;
|
|
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 void
|
|
gtk_box_size_request (GtkWidget *widget,
|
|
GtkRequisition *requisition)
|
|
{
|
|
GtkBox *box = GTK_BOX (widget);
|
|
GtkBoxPrivate *private = GTK_BOX_GET_PRIVATE (box);
|
|
GtkBoxChild *child;
|
|
GList *children;
|
|
gint nvis_children;
|
|
gint width;
|
|
gint height;
|
|
|
|
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;
|
|
height = child_requisition.height + child->padding * 2;
|
|
|
|
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
requisition->width = MAX (requisition->width, width);
|
|
else
|
|
requisition->height = MAX (requisition->height, height);
|
|
}
|
|
else
|
|
{
|
|
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
requisition->width += child_requisition.width + child->padding * 2;
|
|
else
|
|
requisition->height += child_requisition.height + child->padding * 2;
|
|
}
|
|
|
|
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
requisition->height = MAX (requisition->height, child_requisition.height);
|
|
else
|
|
requisition->width = MAX (requisition->width, child_requisition.width);
|
|
|
|
nvis_children += 1;
|
|
}
|
|
}
|
|
|
|
if (nvis_children > 0)
|
|
{
|
|
if (box->homogeneous)
|
|
{
|
|
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
requisition->width *= nvis_children;
|
|
else
|
|
requisition->height *= nvis_children;
|
|
}
|
|
|
|
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
requisition->width += (nvis_children - 1) * box->spacing;
|
|
else
|
|
requisition->height += (nvis_children - 1) * box->spacing;
|
|
}
|
|
|
|
requisition->width += GTK_CONTAINER (box)->border_width * 2;
|
|
requisition->height += GTK_CONTAINER (box)->border_width * 2;
|
|
}
|
|
|
|
static void
|
|
gtk_box_size_allocate (GtkWidget *widget,
|
|
GtkAllocation *allocation)
|
|
{
|
|
GtkBox *box = GTK_BOX (widget);
|
|
GtkBoxPrivate *private = GTK_BOX_GET_PRIVATE (box);
|
|
GtkBoxChild *child;
|
|
GList *children;
|
|
GtkAllocation child_allocation;
|
|
gint nvis_children = 0;
|
|
gint nexpand_children = 0;
|
|
gint child_width = 0;
|
|
gint child_height = 0;
|
|
gint width = 0;
|
|
gint height = 0;
|
|
gint extra = 0;
|
|
gint x = 0;
|
|
gint y = 0;
|
|
GtkTextDirection direction;
|
|
|
|
widget->allocation = *allocation;
|
|
|
|
direction = gtk_widget_get_direction (widget);
|
|
|
|
for (children = box->children; children; children = children->next)
|
|
{
|
|
child = children->data;
|
|
|
|
if (GTK_WIDGET_VISIBLE (child->widget))
|
|
{
|
|
nvis_children += 1;
|
|
if (child->expand)
|
|
nexpand_children += 1;
|
|
}
|
|
}
|
|
|
|
if (nvis_children > 0)
|
|
{
|
|
if (box->homogeneous)
|
|
{
|
|
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
width = (allocation->width -
|
|
GTK_CONTAINER (box)->border_width * 2 -
|
|
(nvis_children - 1) * box->spacing);
|
|
extra = width / nvis_children;
|
|
}
|
|
else
|
|
{
|
|
height = (allocation->height -
|
|
GTK_CONTAINER (box)->border_width * 2 -
|
|
(nvis_children - 1) * box->spacing);
|
|
extra = height / nvis_children;
|
|
}
|
|
}
|
|
else if (nexpand_children > 0)
|
|
{
|
|
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
width = (gint) allocation->width - (gint) widget->requisition.width;
|
|
extra = width / nexpand_children;
|
|
}
|
|
else
|
|
{
|
|
height = (gint) allocation->height - (gint) widget->requisition.height;
|
|
extra = height / nexpand_children;
|
|
}
|
|
}
|
|
|
|
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
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);
|
|
}
|
|
else
|
|
{
|
|
y = allocation->y + GTK_CONTAINER (box)->border_width;
|
|
child_allocation.x = allocation->x + GTK_CONTAINER (box)->border_width;
|
|
child_allocation.width = MAX (1, (gint) allocation->width - (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;
|
|
child_height = height;
|
|
}
|
|
else
|
|
{
|
|
child_width = extra;
|
|
child_height = extra;
|
|
}
|
|
|
|
nvis_children -= 1;
|
|
width -= extra;
|
|
height -= extra;
|
|
}
|
|
else
|
|
{
|
|
GtkRequisition child_requisition;
|
|
|
|
gtk_widget_get_child_requisition (child->widget, &child_requisition);
|
|
|
|
child_width = child_requisition.width + child->padding * 2;
|
|
child_height = child_requisition.height + child->padding * 2;
|
|
|
|
if (child->expand)
|
|
{
|
|
if (nexpand_children == 1)
|
|
{
|
|
child_width += width;
|
|
child_height += height;
|
|
}
|
|
else
|
|
{
|
|
child_width += extra;
|
|
child_height += extra;
|
|
}
|
|
|
|
nexpand_children -= 1;
|
|
width -= extra;
|
|
height -= extra;
|
|
}
|
|
}
|
|
|
|
if (child->fill)
|
|
{
|
|
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
child_allocation.width = MAX (1, (gint) child_width - (gint) child->padding * 2);
|
|
child_allocation.x = x + child->padding;
|
|
}
|
|
else
|
|
{
|
|
child_allocation.height = MAX (1, child_height - (gint)child->padding * 2);
|
|
child_allocation.y = y + child->padding;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
GtkRequisition child_requisition;
|
|
|
|
gtk_widget_get_child_requisition (child->widget, &child_requisition);
|
|
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
child_allocation.width = child_requisition.width;
|
|
child_allocation.x = x + (child_width - child_allocation.width) / 2;
|
|
}
|
|
else
|
|
{
|
|
child_allocation.height = child_requisition.height;
|
|
child_allocation.y = y + (child_height - child_allocation.height) / 2;
|
|
}
|
|
}
|
|
|
|
if (direction == GTK_TEXT_DIR_RTL &&
|
|
private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
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;
|
|
y += child_height + box->spacing;
|
|
}
|
|
}
|
|
|
|
x = allocation->x + allocation->width - GTK_CONTAINER (box)->border_width;
|
|
y = allocation->y + allocation->height - 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;
|
|
child_height = height;
|
|
}
|
|
else
|
|
{
|
|
child_width = extra;
|
|
child_height = extra;
|
|
}
|
|
|
|
nvis_children -= 1;
|
|
width -= extra;
|
|
height -= extra;
|
|
}
|
|
else
|
|
{
|
|
child_width = child_requisition.width + child->padding * 2;
|
|
child_height = child_requisition.height + child->padding * 2;
|
|
|
|
if (child->expand)
|
|
{
|
|
if (nexpand_children == 1)
|
|
{
|
|
child_width += width;
|
|
child_height += height;
|
|
}
|
|
else
|
|
{
|
|
child_width += extra;
|
|
child_height += extra;
|
|
}
|
|
|
|
nexpand_children -= 1;
|
|
width -= extra;
|
|
height -= extra;
|
|
}
|
|
}
|
|
|
|
if (child->fill)
|
|
{
|
|
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
child_allocation.width = MAX (1, (gint)child_width - (gint)child->padding * 2);
|
|
child_allocation.x = x + child->padding - child_width;
|
|
}
|
|
else
|
|
{
|
|
child_allocation.height = MAX (1, child_height - (gint)child->padding * 2);
|
|
child_allocation.y = y + child->padding - child_height;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
child_allocation.width = child_requisition.width;
|
|
child_allocation.x = x + (child_width - child_allocation.width) / 2 - child_width;
|
|
}
|
|
else
|
|
{
|
|
child_allocation.height = child_requisition.height;
|
|
child_allocation.y = y + (child_height - child_allocation.height) / 2 - child_height;
|
|
}
|
|
}
|
|
|
|
if (direction == GTK_TEXT_DIR_RTL &&
|
|
private->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
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);
|
|
y -= (child_height + box->spacing);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_box_pack (GtkBox *box,
|
|
GtkWidget *child,
|
|
gboolean expand,
|
|
gboolean fill,
|
|
guint padding,
|
|
GtkPackType pack_type)
|
|
{
|
|
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 = pack_type;
|
|
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);
|
|
}
|
|
|
|
/**
|
|
* gtk_box_new:
|
|
* @orientation: the box' orientation.
|
|
* @homogeneous: %TRUE if all children are to be given equal space allocations.
|
|
* @spacing: the number of pixels to place by default between children.
|
|
*
|
|
* Creates a new #GtkHBox.
|
|
*
|
|
* Return value: a new #GtkHBox.
|
|
*
|
|
* Since: 2.16
|
|
**/
|
|
GtkWidget*
|
|
_gtk_box_new (GtkOrientation orientation,
|
|
gboolean homogeneous,
|
|
gint spacing)
|
|
{
|
|
return g_object_new (GTK_TYPE_BOX,
|
|
"orientation", orientation,
|
|
"spacing", spacing,
|
|
"homogeneous", homogeneous ? TRUE : FALSE,
|
|
NULL);
|
|
}
|
|
|
|
/**
|
|
* gtk_box_pack_start:
|
|
* @box: a #GtkBox
|
|
* @child: the #GtkWidget to be added to @box
|
|
* @expand: %TRUE if the new child is to be given extra space allocated to
|
|
* @box. The extra space will be divided evenly between all children of
|
|
* @box that use this option
|
|
* @fill: %TRUE if space given to @child by the @expand option is
|
|
* actually allocated to @child, rather than just padding it. This
|
|
* parameter has no effect if @expand is set to %FALSE. A child is
|
|
* always allocated the full height of a #GtkHBox and the full width
|
|
* of a #GtkVBox. This option affects the other dimension
|
|
* @padding: extra space in pixels to put between this child and its
|
|
* neighbors, over and above the global amount specified by
|
|
* #GtkBox:spacing property. If @child is a widget at one of the
|
|
* reference ends of @box, then @padding pixels are also put between
|
|
* @child and the reference edge of @box
|
|
*
|
|
* Adds @child to @box, packed with reference to the start of @box.
|
|
* The @child is packed after any other child packed with reference
|
|
* to the start of @box.
|
|
*/
|
|
void
|
|
gtk_box_pack_start (GtkBox *box,
|
|
GtkWidget *child,
|
|
gboolean expand,
|
|
gboolean fill,
|
|
guint padding)
|
|
{
|
|
gtk_box_pack (box, child, expand, fill, padding, GTK_PACK_START);
|
|
}
|
|
|
|
/**
|
|
* gtk_box_pack_end:
|
|
* @box: a #GtkBox
|
|
* @child: the #GtkWidget to be added to @box
|
|
* @expand: %TRUE if the new child is to be given extra space allocated
|
|
* to @box. The extra space will be divided evenly between all children
|
|
* of @box that use this option
|
|
* @fill: %TRUE if space given to @child by the @expand option is
|
|
* actually allocated to @child, rather than just padding it. This
|
|
* parameter has no effect if @expand is set to %FALSE. A child is
|
|
* always allocated the full height of a #GtkHBox and the full width
|
|
* of a #GtkVBox. This option affects the other dimension
|
|
* @padding: extra space in pixels to put between this child and its
|
|
* neighbors, over and above the global amount specified by
|
|
* #GtkBox:spacing property. If @child is a widget at one of the
|
|
* reference ends of @box, then @padding pixels are also put between
|
|
* @child and the reference edge of @box
|
|
*
|
|
* Adds @child to @box, packed with reference to the end of @box.
|
|
* The @child is packed after (away from end of) any other child
|
|
* packed with reference to the end of @box.
|
|
*/
|
|
void
|
|
gtk_box_pack_end (GtkBox *box,
|
|
GtkWidget *child,
|
|
gboolean expand,
|
|
gboolean fill,
|
|
guint padding)
|
|
{
|
|
gtk_box_pack (box, child, expand, fill, padding, GTK_PACK_END);
|
|
}
|
|
|
|
/**
|
|
* gtk_box_pack_start_defaults:
|
|
* @box: a #GtkBox
|
|
* @widget: the #GtkWidget to be added to @box
|
|
*
|
|
* Adds @widget to @box, packed with reference to the start of @box.
|
|
* The child is packed after any other child packed with reference
|
|
* to the start of @box.
|
|
*
|
|
* Parameters for how to pack the child @widget, #GtkBox:expand,
|
|
* #GtkBox:fill and #GtkBox:padding, are given their default
|
|
* values, %TRUE, %TRUE, and 0, respectively.
|
|
*
|
|
* Deprecated: 2.14: Use gtk_box_pack_start()
|
|
*/
|
|
void
|
|
gtk_box_pack_start_defaults (GtkBox *box,
|
|
GtkWidget *child)
|
|
{
|
|
gtk_box_pack_start (box, child, TRUE, TRUE, 0);
|
|
}
|
|
|
|
/**
|
|
* gtk_box_pack_end_defaults:
|
|
* @box: a #GtkBox
|
|
* @widget: the #GtkWidget to be added to @box
|
|
*
|
|
* Adds @widget to @box, packed with reference to the end of @box.
|
|
* The child is packed after any other child packed with reference
|
|
* to the start of @box.
|
|
*
|
|
* Parameters for how to pack the child @widget, #GtkBox:expand,
|
|
* #GtkBox:fill and #GtkBox:padding, are given their default
|
|
* values, %TRUE, %TRUE, and 0, respectively.
|
|
*
|
|
* Deprecated: 2.14: Use gtk_box_pack_end()
|
|
*/
|
|
void
|
|
gtk_box_pack_end_defaults (GtkBox *box,
|
|
GtkWidget *child)
|
|
{
|
|
gtk_box_pack_end (box, child, TRUE, TRUE, 0);
|
|
}
|
|
|
|
/**
|
|
* gtk_box_set_homogeneous:
|
|
* @box: a #GtkBox
|
|
* @homogeneous: a boolean value, %TRUE to create equal allotments,
|
|
* %FALSE for variable allotments
|
|
*
|
|
* Sets the #GtkBox:homogeneous property of @box, controlling
|
|
* whether or not all children of @box are given equal space
|
|
* in the box.
|
|
*/
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* gtk_box_set_spacing:
|
|
* @box: a #GtkBox
|
|
* @spacing: the number of pixels to put between children
|
|
*
|
|
* Sets the #GtkBox:spacing property of @box, which is the
|
|
* number of pixels to place between children of @box.
|
|
*/
|
|
void
|
|
gtk_box_set_spacing (GtkBox *box,
|
|
gint spacing)
|
|
{
|
|
g_return_if_fail (GTK_IS_BOX (box));
|
|
|
|
if (spacing != box->spacing)
|
|
{
|
|
box->spacing = spacing;
|
|
_gtk_box_set_spacing_set (box, TRUE);
|
|
|
|
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_set_spacing_set (GtkBox *box,
|
|
gboolean spacing_set)
|
|
{
|
|
GtkBoxPrivate *private;
|
|
|
|
g_return_if_fail (GTK_IS_BOX (box));
|
|
|
|
private = GTK_BOX_GET_PRIVATE (box);
|
|
|
|
private->spacing_set = spacing_set ? TRUE : FALSE;
|
|
}
|
|
|
|
gboolean
|
|
_gtk_box_get_spacing_set (GtkBox *box)
|
|
{
|
|
GtkBoxPrivate *private;
|
|
|
|
g_return_val_if_fail (GTK_IS_BOX (box), FALSE);
|
|
|
|
private = GTK_BOX_GET_PRIVATE (box);
|
|
|
|
return private->spacing_set;
|
|
}
|
|
|
|
/**
|
|
* gtk_box_reorder_child:
|
|
* @box: a #GtkBox
|
|
* @child: the #GtkWidget to move
|
|
* @position: the new position for @child in the list of children
|
|
* of @box, starting from 0. If negative, indicates the end of
|
|
* the list
|
|
*
|
|
* Moves @child to a new @position in the list of @box children.
|
|
* The list is the <structfield>children</structfield> field of
|
|
* #GtkBox-struct, and contains both widgets packed #GTK_PACK_START
|
|
* as well as widgets packed #GTK_PACK_END, in the order that these
|
|
* widgets were added to @box.
|
|
*
|
|
* A widget's position in the @box children list determines where
|
|
* the widget is packed into @box. A child widget at some position
|
|
* in the list will be packed just after all other widgets of the
|
|
* same packing type that appear earlier in the list.
|
|
*/
|
|
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);
|
|
}
|
|
|
|
/**
|
|
* gtk_box_query_child_packing:
|
|
* @box: a #GtkBox
|
|
* @child: the #GtkWidget of the child to query
|
|
* @expand: pointer to return location for #GtkBox:expand child property
|
|
* @fill: pointer to return location for #GtkBox:fill child property
|
|
* @padding: pointer to return location for #GtkBox:padding child property
|
|
* @pack_type: pointer to return location for #GtkBox:pack-type child property
|
|
*
|
|
* Obtains information about how @child is packed into @box.
|
|
*/
|
|
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;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_box_set_child_packing:
|
|
* @box: a #GtkBox
|
|
* @child: the #GtkWidget of the child to set
|
|
* @expand: the new value of the #GtkBox:expand child property
|
|
* @fill: the new value of the #GtkBox:fill child property
|
|
* @padding: the new value of the #GtkBox:padding child property
|
|
* @pack_type: the new value of the #GtkBox:pack-type child property
|
|
*
|
|
* Sets the way @child is packed into @box.
|
|
*/
|
|
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);
|
|
}
|
|
|
|
void
|
|
_gtk_box_set_old_defaults (GtkBox *box)
|
|
{
|
|
GtkBoxPrivate *private;
|
|
|
|
g_return_if_fail (GTK_IS_BOX (box));
|
|
|
|
private = GTK_BOX_GET_PRIVATE (box);
|
|
|
|
private->default_expand = TRUE;
|
|
}
|
|
|
|
static void
|
|
gtk_box_add (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkBoxPrivate *private = GTK_BOX_GET_PRIVATE (container);
|
|
|
|
gtk_box_pack_start (GTK_BOX (container), widget,
|
|
private->default_expand,
|
|
private->default_expand,
|
|
0);
|
|
}
|
|
|
|
static void
|
|
gtk_box_remove (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkBox *box = GTK_BOX (container);
|
|
GtkBoxChild *child;
|
|
GList *children;
|
|
|
|
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 = GTK_BOX (container);
|
|
GtkBoxChild *child;
|
|
GList *children;
|
|
|
|
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"
|