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gtk2/gtk/gtkpacker.c
Tim Janik 698c89e5c4 GTK_MENU_DIR_CHILD: check for the existance of 
Thu Sep  3 04:22:20 1998  Tim Janik  <timj@gtk.org>

        * gtk/gtkmenushell.c (gtk_real_menu_shell_move_current):
        GTK_MENU_DIR_CHILD: check for the existance of
        menu_shell->active_menu_item before accessing its child.
        GTK_MENU_DIR_PREV:
        GTK_MENU_DIR_NEXT: if we haven't had an active item and still
        don't, make a default selection.

Wed Sep  2 00:28:58 1998  Tim Janik  <timj@gtk.org>

        * gtk/gtkwidget.c (gtk_widget_propagate_state): iterate
        the children with _forall for sensitivity changes and with
        _foreach on pure state changes. this fixes a lot of the
        old inclusions of internal widgets into _foreach calls.

        * gtk/gtktree.c: removed gtk_tree_foreach, let gtk_tree_forall
        do the work. don't walk the subtrees of first level children.

        * gtk/gtktreeitem.c: provide a _forall implementation,
        which walks the subtrees as well for include_internals.

        * gtk/gtkmenuitem.c: provide a _forall implementation, which walks
        the submenus as well for include_internals.

        * gtk/gtkscrolledwindow.c: removed gtk_scrolled_window_foreach and
        implemented gtk_scrolled_window_forall, which will iterate over
        the viewport and the scrollbars for gtk_container_forall or
        iterate over the viewports children for gtk_container_foreach.

        * gtk/gtktoolbar.c:
        * gtk/gtktable.c:
        * gtk/gtkpaned.c:
        * gtk/gtkpacker.c:
        * gtk/gtkmenushell.c:
        * gtk/gtklist.c:
        * gtk/gtkfixed.c:
        * gtk/gtkclist.c:
        * gtk/gtkbox.c:
        * gtk/gtkbin.c:
        * gtk/gtknotebook.c:
        removed the old gtk_*_foreach functions and provided gtk_*_forall.

        * gtk/gtknotebook.c:
        (gtk_notebook_real_switch_page): expose tabs.
        (gtk_notebook_page_num): new function to return the page number
        of a distinct child.
        (gtk_notebook_focus): minor fixups. foxus handling is still screwed
        under some circumstances.

        * gtk/gtktreeitem.c:
        (gtk_real_tree_item_select):
        (gtk_real_tree_item_deselect): major fixes.
        some general fixups wrt queue_redraw, and tree items not being
        NO_WINDOW widgets.

        * gtk/gtklistitem.c:
        (gtk_real_list_item_select):
        (gtk_real_list_item_deselect):
        (gtk_real_list_item_toggle):
        removed unneccessary queue_redraw calls.

Wed Aug 30 09:42:07 1998  Tim Janik  <timj@gtk.org>

        * gtk/gtkoptionmenu.c: allow optionmenus to have the focus and
        automatically popup the menu on space bar.

Wed Aug 26 06:40:34 1998  Tim Janik  <timj@gtk.org>

        * gtk/gtkcontainer.h:
        * gtk/gtkcontainer.c: implemented gtk_container_forall() (as a class
        method), which acts similar to gtk_container_foreach(), but iterates
        over internal children. the GtkContainer::foreach signal vanished in
        favour of a new class method ->forall() that optionally includes
        internal widgets.

        * gtk/gtkclist.c (gtk_clist_init): provide no _foreach implementation
        but a _forall implementation, since all child widgets we have are
        internal ones.
        (column_button_create): set the parent window prior
        to gtk_widget_set_parent().

        * gtk/gtkwidget.c:
        exchanged all calls to gtk_container_foreach() with
        gtk_container_forall().

        * gtk/gtkwidget.h:
        * gtk/gtkwidget.c: added the GTK_COMPOSITE_CHILD, exported through
        the GtkWidget::composite_child argument. to have a widget created
        with the flag initially, two new functions got added to wrap a widgets
        creation:
        gtk_widget_push_composite_flag() and gtk_widget_pop_composite_flag().

Wed Aug 25 23:37:39 1998  Tim Janik  <timj@gtk.org>

        * gtk/gtktooltips.h:
        * gtk/gtktooltips.c: exported gtk_tooltips_create_window() as
        gtk_tooltips_force_window(), so tooltips->tip_window can be accessed
        prior to the first tip being set.
        don't put an extra reference on the window, since it is a toplevel,
        it wont get destroyed from anywhere else.

        * overall macro and GtkType fixups.
1998-09-03 02:38:53 +00:00

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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* GtkPacker Widget
* Copyright (C) 1998 Shawn T. Amundson, James S. Mitchell, Michael L. Staiger
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* This file contains modified code derived from Tk 8.0. Below is the header of
* the relevant file. The file 'license.terms' is included inline below.
*
* tkPack.c --
*
* This file contains code to implement the "packer"
* geometry manager for Tk.
*
* Copyright (c) 1990-1994 The Regents of the University of California.
* Copyright (c) 1994-1995 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* SCCS: @(#) tkPack.c 1.64 96/05/03 10:51:52
*
* The file license.terms is below. NOTE: THE FOLLOWING APPLIES ONLY TO
* PORTIONS DERIVED FROM TK 8.0. THE LICENSE FOR THIS FILE IS LGPL, AS
* STATED ABOVE AND ALLOWED BELOW.
-- BEGIN license.terms --
This software is copyrighted by the Regents of the University of
California, Sun Microsystems, Inc., and other parties. The following
terms apply to all files associated with the software unless explicitly
disclaimed in individual files.
The authors hereby grant permission to use, copy, modify, distribute,
and license this software and its documentation for any purpose, provided
that existing copyright notices are retained in all copies and that this
notice is included verbatim in any distributions. No written agreement,
license, or royalty fee is required for any of the authorized uses.
Modifications to this software may be copyrighted by their authors
and need not follow the licensing terms described here, provided that
the new terms are clearly indicated on the first page of each file where
they apply.
IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE
IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
MODIFICATIONS.
GOVERNMENT USE: If you are acquiring this software on behalf of the
U.S. government, the Government shall have only "Restricted Rights"
in the software and related documentation as defined in the Federal
Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you
are acquiring the software on behalf of the Department of Defense, the
software shall be classified as "Commercial Computer Software" and the
Government shall have only "Restricted Rights" as defined in Clause
252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the
authors grant the U.S. Government and others acting in its behalf
permission to use and distribute the software in accordance with the
terms specified in this license.
-- END license.terms --
*
*/
#include "gtkpacker.h"
enum {
ARG_0,
ARG_SPACING,
ARG_D_BORDER_WIDTH,
ARG_D_PAD_X,
ARG_D_PAD_Y,
ARG_D_IPAD_X,
ARG_D_IPAD_Y
};
enum {
CHILD_ARG_0,
CHILD_ARG_SIDE,
CHILD_ARG_ANCHOR,
CHILD_ARG_EXPAND,
CHILD_ARG_FILL_X,
CHILD_ARG_FILL_Y,
CHILD_ARG_USE_DEFAULT,
CHILD_ARG_BORDER_WIDTH,
CHILD_ARG_PAD_X,
CHILD_ARG_PAD_Y,
CHILD_ARG_I_PAD_X,
CHILD_ARG_I_PAD_Y,
CHILD_ARG_POSITION
};
static void gtk_packer_class_init (GtkPackerClass *klass);
static void gtk_packer_init (GtkPacker *packer);
static void gtk_packer_map (GtkWidget *widget);
static void gtk_packer_unmap (GtkWidget *widget);
static void gtk_packer_draw (GtkWidget *widget,
GdkRectangle *area);
static gint gtk_packer_expose (GtkWidget *widget,
GdkEventExpose *event);
static void gtk_packer_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void gtk_packer_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void gtk_packer_container_add (GtkContainer *container,
GtkWidget *child);
static void gtk_packer_remove (GtkContainer *container,
GtkWidget *widget);
static void gtk_packer_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data);
static void gtk_packer_set_arg (GtkObject *object,
GtkArg *arg,
guint arg_id);
static void gtk_packer_get_arg (GtkObject *object,
GtkArg *arg,
guint arg_id);
static void gtk_packer_get_child_arg (GtkContainer *container,
GtkWidget *child,
GtkArg *arg,
guint arg_id);
static void gtk_packer_set_child_arg (GtkContainer *container,
GtkWidget *child,
GtkArg *arg,
guint arg_id);
static GtkType gtk_packer_child_type (GtkContainer *container);
static GtkPackerClass *parent_class;
GtkType
gtk_packer_get_type (void)
{
static GtkType packer_type = 0;
if (!packer_type)
{
GtkTypeInfo packer_info =
{
"GtkPacker",
sizeof (GtkPacker),
sizeof (GtkPackerClass),
(GtkClassInitFunc) gtk_packer_class_init,
(GtkObjectInitFunc) gtk_packer_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
packer_type = gtk_type_unique (GTK_TYPE_CONTAINER, &packer_info);
}
return packer_type;
}
static void
gtk_packer_class_init (GtkPackerClass *klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
object_class = (GtkObjectClass*) klass;
widget_class = (GtkWidgetClass*) klass;
container_class = (GtkContainerClass*) klass;
parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
gtk_object_add_arg_type ("GtkPacker::spacing", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_SPACING);
gtk_object_add_arg_type ("GtkPacker::default_border_width", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_D_BORDER_WIDTH);
gtk_object_add_arg_type ("GtkPacker::default_pad_x", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_D_PAD_X);
gtk_object_add_arg_type ("GtkPacker::default_pad_y", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_D_PAD_Y);
gtk_object_add_arg_type ("GtkPacker::default_ipad_x", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_D_IPAD_X);
gtk_object_add_arg_type ("GtkPacker::default_ipad_y", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_D_IPAD_Y);
gtk_container_add_child_arg_type ("GtkPacker::side", GTK_TYPE_SIDE_TYPE, GTK_ARG_READWRITE, CHILD_ARG_SIDE);
gtk_container_add_child_arg_type ("GtkPacker::anchor", GTK_TYPE_ANCHOR_TYPE, GTK_ARG_READWRITE, CHILD_ARG_ANCHOR);
gtk_container_add_child_arg_type ("GtkPacker::expand", GTK_TYPE_BOOL, GTK_ARG_READWRITE, CHILD_ARG_EXPAND);
gtk_container_add_child_arg_type ("GtkPacker::fill_x", GTK_TYPE_BOOL, GTK_ARG_READWRITE, CHILD_ARG_FILL_X);
gtk_container_add_child_arg_type ("GtkPacker::fill_y", GTK_TYPE_BOOL, GTK_ARG_READWRITE, CHILD_ARG_FILL_Y);
gtk_container_add_child_arg_type ("GtkPacker::use_default", GTK_TYPE_BOOL, GTK_ARG_READWRITE, CHILD_ARG_USE_DEFAULT);
gtk_container_add_child_arg_type ("GtkPacker::border_width", GTK_TYPE_UINT, GTK_ARG_READWRITE, CHILD_ARG_BORDER_WIDTH);
gtk_container_add_child_arg_type ("GtkPacker::pad_x", GTK_TYPE_UINT, GTK_ARG_READWRITE, CHILD_ARG_PAD_X);
gtk_container_add_child_arg_type ("GtkPacker::pad_y", GTK_TYPE_UINT, GTK_ARG_READWRITE, CHILD_ARG_PAD_Y);
gtk_container_add_child_arg_type ("GtkPacker::ipad_x", GTK_TYPE_UINT, GTK_ARG_READWRITE, CHILD_ARG_I_PAD_X);
gtk_container_add_child_arg_type ("GtkPacker::ipad_y", GTK_TYPE_UINT, GTK_ARG_READWRITE, CHILD_ARG_I_PAD_Y);
gtk_container_add_child_arg_type ("GtkPacker::position", GTK_TYPE_LONG, GTK_ARG_READWRITE, CHILD_ARG_POSITION);
object_class->set_arg = gtk_packer_set_arg;
object_class->get_arg = gtk_packer_get_arg;
widget_class->map = gtk_packer_map;
widget_class->unmap = gtk_packer_unmap;
widget_class->draw = gtk_packer_draw;
widget_class->expose_event = gtk_packer_expose;
widget_class->size_request = gtk_packer_size_request;
widget_class->size_allocate = gtk_packer_size_allocate;
container_class->add = gtk_packer_container_add;
container_class->remove = gtk_packer_remove;
container_class->forall = gtk_packer_forall;
container_class->child_type = gtk_packer_child_type;
container_class->get_child_arg = gtk_packer_get_child_arg;
container_class->set_child_arg = gtk_packer_set_child_arg;
}
static void
gtk_packer_set_arg (GtkObject *object,
GtkArg *arg,
guint arg_id)
{
GtkPacker *packer;
packer = GTK_PACKER (object);
switch (arg_id)
{
case ARG_SPACING:
gtk_packer_set_spacing (packer, GTK_VALUE_UINT (*arg));
break;
case ARG_D_BORDER_WIDTH:
gtk_packer_set_default_border_width (packer, GTK_VALUE_UINT (*arg));
break;
case ARG_D_PAD_X:
gtk_packer_set_default_pad (packer,
GTK_VALUE_UINT (*arg),
packer->default_pad_y);
break;
case ARG_D_PAD_Y:
gtk_packer_set_default_pad (packer,
packer->default_pad_x,
GTK_VALUE_UINT (*arg));
break;
case ARG_D_IPAD_X:
gtk_packer_set_default_ipad (packer,
GTK_VALUE_UINT (*arg),
packer->default_i_pad_y);
break;
case ARG_D_IPAD_Y:
gtk_packer_set_default_ipad (packer,
packer->default_i_pad_x,
GTK_VALUE_UINT (*arg));
break;
default:
break;
}
}
static void
gtk_packer_get_arg (GtkObject *object,
GtkArg *arg,
guint arg_id)
{
GtkPacker *packer;
packer = GTK_PACKER (object);
switch (arg_id)
{
case ARG_SPACING:
GTK_VALUE_UINT (*arg) = packer->spacing;
break;
case ARG_D_BORDER_WIDTH:
GTK_VALUE_UINT (*arg) = packer->default_border_width;
break;
case ARG_D_PAD_X:
GTK_VALUE_UINT (*arg) = packer->default_pad_x;
break;
case ARG_D_PAD_Y:
GTK_VALUE_UINT (*arg) = packer->default_pad_y;
break;
case ARG_D_IPAD_X:
GTK_VALUE_UINT (*arg) = packer->default_i_pad_x;
break;
case ARG_D_IPAD_Y:
GTK_VALUE_UINT (*arg) = packer->default_i_pad_y;
break;
default:
arg->type = GTK_TYPE_INVALID;
break;
}
}
static GtkType
gtk_packer_child_type (GtkContainer *container)
{
return GTK_TYPE_WIDGET;
}
static void
gtk_packer_set_child_arg (GtkContainer *container,
GtkWidget *child,
GtkArg *arg,
guint arg_id)
{
GtkPacker *packer;
GtkPackerChild *child_info = NULL;
packer = GTK_PACKER (container);
if (arg_id != CHILD_ARG_POSITION)
{
GList *list;
list = packer->children;
while (list)
{
child_info = list->data;
if (child_info->widget == child)
break;
list = list->next;
}
if (!list)
return;
}
switch (arg_id)
{
case CHILD_ARG_SIDE:
child_info->side = GTK_VALUE_ENUM (*arg);
break;
case CHILD_ARG_ANCHOR:
child_info->anchor = GTK_VALUE_ENUM (*arg);
break;
case CHILD_ARG_EXPAND:
if (GTK_VALUE_BOOL (*arg))
child_info->options |= GTK_PACK_EXPAND;
else
child_info->options &= ~GTK_PACK_EXPAND;
break;
case CHILD_ARG_FILL_X:
if (GTK_VALUE_BOOL (*arg))
child_info->options |= GTK_FILL_X;
else
child_info->options &= ~GTK_FILL_X;
break;
case CHILD_ARG_FILL_Y:
if (GTK_VALUE_BOOL (*arg))
child_info->options |= GTK_FILL_Y;
else
child_info->options &= ~GTK_FILL_Y;
break;
case CHILD_ARG_USE_DEFAULT:
child_info->use_default = (GTK_VALUE_BOOL (*arg) != 0);
break;
case CHILD_ARG_BORDER_WIDTH:
if (!child_info->use_default)
child_info->border_width = GTK_VALUE_UINT (*arg);
break;
case CHILD_ARG_PAD_X:
if (!child_info->use_default)
child_info->pad_x = GTK_VALUE_UINT (*arg);
break;
case CHILD_ARG_PAD_Y:
if (!child_info->use_default)
child_info->pad_y = GTK_VALUE_UINT (*arg);
break;
case CHILD_ARG_I_PAD_X:
if (!child_info->use_default)
child_info->i_pad_x = GTK_VALUE_UINT (*arg);
break;
case CHILD_ARG_I_PAD_Y:
if (!child_info->use_default)
child_info->i_pad_y = GTK_VALUE_UINT (*arg);
break;
case CHILD_ARG_POSITION:
gtk_packer_reorder_child (packer,
child,
GTK_VALUE_LONG (*arg));
break;
default:
break;
}
if (arg_id != CHILD_ARG_POSITION &&
GTK_WIDGET_VISIBLE (packer) &&
GTK_WIDGET_VISIBLE (child))
gtk_widget_queue_resize (child);
}
static void
gtk_packer_get_child_arg (GtkContainer *container,
GtkWidget *child,
GtkArg *arg,
guint arg_id)
{
GtkPacker *packer;
GtkPackerChild *child_info = NULL;
GList * list;
packer = GTK_PACKER (container);
if (arg_id != CHILD_ARG_POSITION)
{
list = packer->children;
while (list)
{
child_info = list->data;
if (child_info->widget == child)
break;
list = list->next;
}
if (!list)
{
arg->type = GTK_TYPE_INVALID;
return;
}
}
switch (arg_id)
{
case CHILD_ARG_SIDE:
GTK_VALUE_ENUM (*arg) = child_info->side;
break;
case CHILD_ARG_ANCHOR:
GTK_VALUE_ENUM (*arg) = child_info->anchor;
break;
case CHILD_ARG_EXPAND:
GTK_VALUE_BOOL (*arg) = (child_info->options & GTK_PACK_EXPAND) != 0;
break;
case CHILD_ARG_FILL_X:
GTK_VALUE_BOOL (*arg) = (child_info->options & GTK_FILL_X) != 0;
break;
case CHILD_ARG_FILL_Y:
GTK_VALUE_BOOL (*arg) = (child_info->options & GTK_FILL_Y) != 0;
break;
case CHILD_ARG_USE_DEFAULT:
GTK_VALUE_BOOL (*arg) = child_info->use_default;
break;
case CHILD_ARG_BORDER_WIDTH:
GTK_VALUE_UINT (*arg) = child_info->border_width;
break;
case CHILD_ARG_PAD_X:
GTK_VALUE_UINT (*arg) = child_info->pad_x;
break;
case CHILD_ARG_PAD_Y:
GTK_VALUE_UINT (*arg) = child_info->pad_y;
break;
case CHILD_ARG_I_PAD_X:
GTK_VALUE_UINT (*arg) = child_info->i_pad_x;
break;
case CHILD_ARG_I_PAD_Y:
GTK_VALUE_UINT (*arg) = child_info->i_pad_y;
break;
case CHILD_ARG_POSITION:
GTK_VALUE_LONG (*arg) = 0;
for (list = packer->children; list; list = list->next)
{
child_info = list->data;
if (child_info->widget == child)
break;
GTK_VALUE_LONG (*arg)++;
}
if (!list)
GTK_VALUE_LONG (*arg) = -1;
break;
default:
arg->type = GTK_TYPE_INVALID;
break;
}
}
static void
gtk_packer_init (GtkPacker *packer)
{
GTK_WIDGET_SET_FLAGS (packer, GTK_NO_WINDOW | GTK_BASIC);
packer->children = NULL;
packer->spacing = 0;
}
void
gtk_packer_set_spacing (GtkPacker *packer,
guint spacing)
{
g_return_if_fail (packer != NULL);
g_return_if_fail (GTK_IS_PACKER (packer));
if (spacing != packer->spacing)
{
packer->spacing = spacing;
gtk_widget_queue_resize (GTK_WIDGET (packer));
}
}
GtkWidget*
gtk_packer_new (void)
{
return GTK_WIDGET (gtk_type_new (GTK_TYPE_PACKER));
}
static void
redo_defaults_children (GtkPacker *packer)
{
GList *list;
GtkPackerChild *child;
list = g_list_first(packer->children);
while (list != NULL)
{
child = list->data;
if (child->use_default)
{
child->border_width = packer->default_border_width;
child->pad_x = packer->default_pad_x;
child->pad_y = packer->default_pad_y;
child->i_pad_x = packer->default_i_pad_x;
child->i_pad_y = packer->default_i_pad_y;
gtk_widget_queue_resize (GTK_WIDGET (child->widget));
}
list = g_list_next(list);
}
}
void
gtk_packer_set_default_border_width (GtkPacker *packer,
guint border)
{
g_return_if_fail (packer != NULL);
g_return_if_fail (GTK_IS_PACKER (packer));
if (packer->default_border_width != border)
{
packer->default_border_width = border;;
redo_defaults_children (packer);
}
}
void
gtk_packer_set_default_pad (GtkPacker *packer,
guint pad_x,
guint pad_y)
{
g_return_if_fail (packer != NULL);
g_return_if_fail (GTK_IS_PACKER (packer));
if (packer->default_pad_x != pad_x ||
packer->default_pad_y != pad_y)
{
packer->default_pad_x = pad_x;
packer->default_pad_y = pad_y;
redo_defaults_children (packer);
}
}
void
gtk_packer_set_default_ipad (GtkPacker *packer,
guint i_pad_x,
guint i_pad_y)
{
g_return_if_fail (packer != NULL);
g_return_if_fail (GTK_IS_PACKER (packer));
if (packer->default_i_pad_x != i_pad_x ||
packer->default_i_pad_y != i_pad_y) {
packer->default_i_pad_x = i_pad_x;
packer->default_i_pad_y = i_pad_y;
redo_defaults_children (packer);
}
}
static void
gtk_packer_container_add (GtkContainer *packer, GtkWidget *child)
{
gtk_packer_add_defaults(GTK_PACKER(packer), child,
GTK_SIDE_TOP, GTK_ANCHOR_CENTER, 0);
}
void
gtk_packer_add_defaults (GtkPacker *packer,
GtkWidget *child,
GtkSideType side,
GtkAnchorType anchor,
GtkPackerOptions options)
{
GtkPackerChild *pchild;
g_return_if_fail (packer != NULL);
g_return_if_fail (GTK_IS_PACKER (packer));
g_return_if_fail (child != NULL);
g_return_if_fail (GTK_IS_WIDGET (child));
pchild = (GtkPackerChild*) g_malloc(sizeof(GtkPackerChild));
pchild->widget = child;
pchild->side = side;
pchild->options = options;
pchild->anchor = anchor;
pchild->use_default = 1;
pchild->border_width = packer->default_border_width;
pchild->pad_x = packer->default_pad_x;
pchild->pad_y = packer->default_pad_y;
pchild->i_pad_x = packer->default_i_pad_x;
pchild->i_pad_y = packer->default_i_pad_y;
packer->children = g_list_append(packer->children, (gpointer) pchild);
gtk_widget_set_parent (child, GTK_WIDGET (packer));
if (GTK_WIDGET_VISIBLE (GTK_WIDGET (packer)))
{
if (GTK_WIDGET_REALIZED (GTK_WIDGET (packer)) &&
!GTK_WIDGET_REALIZED (child))
gtk_widget_realize (child);
if (GTK_WIDGET_MAPPED (GTK_WIDGET (packer)) &&
!GTK_WIDGET_MAPPED (child))
gtk_widget_map (child);
}
if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (packer))
gtk_widget_queue_resize (child);
}
void
gtk_packer_add (GtkPacker *packer,
GtkWidget *child,
GtkSideType side,
GtkAnchorType anchor,
GtkPackerOptions options,
guint border_width,
guint pad_x,
guint pad_y,
guint i_pad_x,
guint i_pad_y)
{
GtkPackerChild *pchild;
g_return_if_fail (packer != NULL);
g_return_if_fail (GTK_IS_PACKER (packer));
g_return_if_fail (child != NULL);
g_return_if_fail (GTK_IS_WIDGET (child));
pchild = (GtkPackerChild*) g_malloc(sizeof(GtkPackerChild));
pchild->widget = child;
pchild->side = side;
pchild->options = options;
pchild->anchor = anchor;
pchild->use_default = 0;
pchild->border_width = border_width;
pchild->pad_x = pad_x;
pchild->pad_y = pad_y;
pchild->i_pad_x = i_pad_x;
pchild->i_pad_y = i_pad_y;
packer->children = g_list_append(packer->children, (gpointer) pchild);
gtk_widget_set_parent (child, GTK_WIDGET (packer));
if (GTK_WIDGET_VISIBLE (GTK_WIDGET (packer)))
{
if (GTK_WIDGET_REALIZED (GTK_WIDGET (packer)) &&
!GTK_WIDGET_REALIZED (child))
gtk_widget_realize (child);
if (GTK_WIDGET_MAPPED (GTK_WIDGET (packer)) &&
!GTK_WIDGET_MAPPED (child))
gtk_widget_map (child);
}
if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (packer))
gtk_widget_queue_resize (child);
}
void
gtk_packer_configure (GtkPacker *packer,
GtkWidget *child,
GtkSideType side,
GtkAnchorType anchor,
GtkPackerOptions options,
guint border_width,
guint pad_x,
guint pad_y,
guint i_pad_x,
guint i_pad_y)
{
GList *list;
GtkPackerChild *pchild;
g_return_if_fail (packer != NULL);
g_return_if_fail (GTK_IS_PACKER (packer));
g_return_if_fail (child != NULL);
list = g_list_first(packer->children);
while (list != NULL)
{
pchild = (GtkPackerChild*) list->data;
if (pchild->widget == child)
{
pchild->side = side;
pchild->anchor = anchor;
pchild->options = options;
pchild->use_default = 0;
pchild->border_width = border_width;
pchild->pad_x = pad_x;
pchild->pad_y = pad_y;
pchild->i_pad_x = i_pad_x;
pchild->i_pad_y = i_pad_y;
if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (packer))
gtk_widget_queue_resize (child);
return;
}
list = g_list_next(list);
}
g_warning ("gtk_packer_configure(): couldn't find child `%s' amongst the packer's children", gtk_type_name (GTK_OBJECT_TYPE (child)));
}
void
gtk_packer_reorder_child (GtkPacker *packer,
GtkWidget *child,
gint position)
{
GList *list;
g_return_if_fail (packer != NULL);
g_return_if_fail (GTK_IS_PACKER (packer));
g_return_if_fail (child != NULL);
list = packer->children;
while (list)
{
GtkPackerChild *child_info;
child_info = list->data;
if (child_info->widget == child)
break;
list = list->next;
}
if (list && packer->children->next)
{
GList *tmp_list;
if (list->next)
list->next->prev = list->prev;
if (list->prev)
list->prev->next = list->next;
else
packer->children = list->next;
tmp_list = packer->children;
while (position && tmp_list->next)
{
position--;
tmp_list = tmp_list->next;
}
if (position)
{
tmp_list->next = list;
list->prev = tmp_list;
list->next = NULL;
}
else
{
if (tmp_list->prev)
tmp_list->prev->next = list;
else
packer->children = list;
list->prev = tmp_list->prev;
tmp_list->prev = list;
list->next = tmp_list;
}
if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (packer))
gtk_widget_queue_resize (child);
}
}
static void
gtk_packer_remove (GtkContainer *container,
GtkWidget *widget)
{
GtkPacker *packer;
GtkPackerChild *child;
GList *children;
gint visible;
g_return_if_fail (container != NULL);
g_return_if_fail (widget != NULL);
packer = GTK_PACKER (container);
children = g_list_first(packer->children);
while (children)
{
child = children->data;
if (child->widget == widget)
{
visible = GTK_WIDGET_VISIBLE (widget);
gtk_widget_unparent (widget);
packer->children = g_list_remove_link (packer->children, children);
g_list_free (children);
g_free (child);
if (visible && GTK_WIDGET_VISIBLE (container))
gtk_widget_queue_resize (GTK_WIDGET (container));
break;
}
children = g_list_next(children);
}
}
static void
gtk_packer_map (GtkWidget *widget)
{
GtkPacker *packer;
GtkPackerChild *child;
GList *children;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_PACKER (widget));
packer = GTK_PACKER (widget);
GTK_WIDGET_SET_FLAGS (packer, GTK_MAPPED);
children = g_list_first(packer->children);
while (children != NULL)
{
child = children->data;
children = g_list_next(children);
if (GTK_WIDGET_VISIBLE (child->widget) &&
!GTK_WIDGET_MAPPED (child->widget))
gtk_widget_map (child->widget);
}
}
static void
gtk_packer_unmap (GtkWidget *widget)
{
GtkPacker *packer;
GtkPackerChild *child;
GList *children;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_PACKER (widget));
packer = GTK_PACKER (widget);
GTK_WIDGET_UNSET_FLAGS (packer, GTK_MAPPED);
children = g_list_first(packer->children);
while (children)
{
child = children->data;
children = g_list_next(children);
if (GTK_WIDGET_VISIBLE (child->widget) &&
GTK_WIDGET_MAPPED (child->widget))
gtk_widget_unmap (child->widget);
}
}
static void
gtk_packer_draw (GtkWidget *widget, GdkRectangle *area)
{
GtkPacker *packer;
GtkPackerChild *child;
GdkRectangle child_area;
GList *children;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_PACKER (widget));
if (GTK_WIDGET_DRAWABLE (widget))
{
packer = GTK_PACKER (widget);
children = g_list_first(packer->children);
while (children != NULL)
{
child = children->data;
children = g_list_next(children);
if (gtk_widget_intersect (child->widget, area, &child_area))
gtk_widget_draw (child->widget, &child_area);
}
}
}
static gint
gtk_packer_expose (GtkWidget *widget, GdkEventExpose *event)
{
GtkPacker *packer;
GtkPackerChild *child;
GdkEventExpose child_event;
GList *children;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_PACKER (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (GTK_WIDGET_DRAWABLE (widget))
{
packer = GTK_PACKER (widget);
child_event = *event;
children = g_list_first(packer->children);
while (children)
{
child = children->data;
children = g_list_next(children);
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_packer_size_request (GtkWidget *widget, GtkRequisition *requisition)
{
GtkPacker *packer;
GtkContainer *container;
GtkPackerChild *child;
GList *children;
gint nvis_vert_children;
gint nvis_horz_children;
gint width, height;
gint maxWidth, maxHeight;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_PACKER (widget));
g_return_if_fail (requisition != NULL);
packer = GTK_PACKER (widget);
container = GTK_CONTAINER (widget);
requisition->width = 0;
requisition->height = 0;
nvis_vert_children = 0;
nvis_horz_children = 0;
width = height = maxWidth = maxHeight = 0;
children = g_list_first(packer->children);
while (children != NULL)
{
child = children->data;
if (GTK_WIDGET_VISIBLE (child->widget))
{
gtk_widget_size_request (child->widget, &child->widget->requisition);
if((child->side == GTK_SIDE_TOP) || (child->side == GTK_SIDE_BOTTOM))
{
maxWidth = MAX (maxWidth,
(child->widget->requisition.width +
2 * child->border_width +
child->pad_x + child->i_pad_x +
width));
height += (child->widget->requisition.height +
2 * child->border_width +
child->pad_y + child->i_pad_y);
}
else
{
maxHeight = MAX (maxHeight,
(child->widget->requisition.height +
2 * child->border_width +
child->pad_y + child->i_pad_y +
height));
width += (child->widget->requisition.width +
2 * child->border_width +
child->pad_x + child->i_pad_x);
}
}
children = g_list_next(children);
}
requisition->width = MAX (maxWidth, width) + 2 * container->border_width;
requisition->height = MAX (maxHeight, height) + 2 * container->border_width;
}
static gint
YExpansion (GList *children, gint cavityHeight)
{
GList *list;
GtkPackerChild *child;
GtkWidget *widget;
gint numExpand, minExpand, curExpand;
gint childHeight;
minExpand = cavityHeight;
numExpand = 0;
list = children;
while (list != NULL)
{
child = list->data;
widget = child->widget;
childHeight = (widget->requisition.height +
2 * child->border_width +
child->i_pad_y +
child->pad_y);
if ((child->side == GTK_SIDE_LEFT) || (child->side == GTK_SIDE_RIGHT))
{
curExpand = (cavityHeight - childHeight)/numExpand;
minExpand = MIN(minExpand, curExpand);
}
else
{
cavityHeight -= childHeight;
if (child->options & GTK_PACK_EXPAND)
numExpand++;
}
list = g_list_next(list);
}
curExpand = cavityHeight/numExpand;
if (curExpand < minExpand)
minExpand = curExpand;
return (minExpand < 0) ? 0 : minExpand;
}
static gint
XExpansion (GList *children, gint cavityWidth)
{
GList *list;
GtkPackerChild *child;
GtkWidget *widget;
gint numExpand, minExpand, curExpand;
gint childWidth;
minExpand = cavityWidth;
numExpand = 0;
list = children;
while (list != NULL)
{
child = list->data;
widget = child->widget;
childWidth = (widget->requisition.width +
2 * child->border_width +
child->i_pad_x +
child->pad_x);
if ((child->side == GTK_SIDE_TOP) || (child->side == GTK_SIDE_BOTTOM))
{
curExpand = (cavityWidth - childWidth)/numExpand;
minExpand = MIN(minExpand, curExpand);
}
else
{
cavityWidth -= childWidth;
if (child->options & GTK_PACK_EXPAND)
numExpand++;
}
list = g_list_next(list);
}
curExpand = cavityWidth/numExpand;
if (curExpand < minExpand)
minExpand = curExpand;
return (minExpand < 0) ? 0 : minExpand;
}
static void
gtk_packer_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
{
GtkPacker *packer;
GtkContainer *container;
GtkAllocation child_allocation;
GList *list;
GtkPackerChild *child;
gint cavityX, cavityY;
gint cavityWidth, cavityHeight;
gint width, height, x, y;
gint frameHeight, frameWidth, frameX, frameY;
gint borderX, borderY;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_PACKER (widget));
g_return_if_fail (allocation != NULL);
packer = GTK_PACKER (widget);
container = GTK_CONTAINER (widget);
x = y = 0;
widget->allocation = *allocation;
cavityX = widget->allocation.x + container->border_width;
cavityY = widget->allocation.y + container->border_width;
cavityWidth = widget->allocation.width - 2 * container->border_width;
cavityHeight = widget->allocation.height - 2 * container->border_width;
list = g_list_first (packer->children);
while (list != NULL)
{
child = list->data;
if ((child->side == GTK_SIDE_TOP) || (child->side == GTK_SIDE_BOTTOM))
{
frameWidth = cavityWidth;
frameHeight = (child->widget->requisition.height +
2 * child->border_width +
child->pad_y +
child->i_pad_y);
if (child->options & GTK_PACK_EXPAND)
frameHeight += YExpansion(list, cavityHeight);
cavityHeight -= frameHeight;
if (cavityHeight < 0)
{
frameHeight += cavityHeight;
cavityHeight = 0;
}
frameX = cavityX;
if (child->side == GTK_SIDE_TOP)
{
frameY = cavityY;
cavityY += frameHeight;
}
else
{
frameY = cavityY + cavityHeight;
}
}
else
{
frameHeight = cavityHeight;
frameWidth = (child->widget->requisition.width +
2 * child->border_width +
child->pad_x +
child->i_pad_x);
if (child->options & GTK_PACK_EXPAND)
frameWidth += XExpansion(list, cavityWidth);
cavityWidth -= frameWidth;
if (cavityWidth < 0) {
frameWidth += cavityWidth;
cavityWidth = 0;
}
frameY = cavityY;
if (child->side == GTK_SIDE_LEFT)
{
frameX = cavityX;
cavityX += frameWidth;
}
else
{
frameX = cavityX + cavityWidth;
}
}
borderX = child->pad_x + 2 * child->border_width;
borderY = child->pad_y + 2 * child->border_width;
width = (child->widget->requisition.width +
2 * child->border_width +
child->i_pad_x);
if ((child->options & GTK_FILL_X) || (width > (frameWidth - borderX)))
width = frameWidth - borderX;
height = (child->widget->requisition.height +
2 * child->border_width +
child->i_pad_y);
if ((child->options & GTK_FILL_Y) || (height > (frameHeight - borderY)))
height = frameHeight - borderY;
borderX /= 2;
borderY /= 2;
switch (child->anchor)
{
case GTK_ANCHOR_N:
x = frameX + (frameWidth - width)/2;
y = frameY + borderY;
break;
case GTK_ANCHOR_NE:
x = frameX + frameWidth - width - borderX;
y = frameY + borderY;
break;
case GTK_ANCHOR_E:
x = frameX + frameWidth - width - borderX;
y = frameY + (frameHeight - height)/2;
break;
case GTK_ANCHOR_SE:
x = frameX + frameWidth - width - borderX;
y = frameY + frameHeight - height - borderY;
break;
case GTK_ANCHOR_S:
x = frameX + (frameWidth - width)/2;
y = frameY + frameHeight - height - borderY;
break;
case GTK_ANCHOR_SW:
x = frameX + borderX;
y = frameY + frameHeight - height - borderY;
break;
case GTK_ANCHOR_W:
x = frameX + borderX;
y = frameY + (frameHeight - height)/2;
break;
case GTK_ANCHOR_NW:
x = frameX + borderX;
y = frameY + borderY;
break;
case GTK_ANCHOR_CENTER:
x = frameX + (frameWidth - width)/2;
y = frameY + (frameHeight - height)/2;
break;
default:
g_warning ("gtk_packer_size_allocate(): bad anchor type: %d", child->anchor);
}
if (width <= 0 || height <= 0)
{
gtk_widget_unmap(child->widget);
}
else
{
child_allocation.x = x;
child_allocation.y = y;
child_allocation.width = width;
child_allocation.height = height;
gtk_widget_size_allocate (child->widget, &child_allocation);
if (GTK_WIDGET_MAPPED (widget) &&
!(GTK_WIDGET_MAPPED (child->widget)))
gtk_widget_map(child->widget);
}
list = g_list_next(list);
}
}
static void
gtk_packer_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data)
{
GtkPacker *packer;
GtkPackerChild *child;
GList *children;
g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_PACKER (container));
g_return_if_fail (callback != NULL);
packer = GTK_PACKER (container);
children = g_list_first (packer->children);
while (children != NULL)
{
child = children->data;
children = g_list_next(children);
(* callback) (child->widget, callback_data);
}
}
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