+++ /dev/null
-/* 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 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.
- */
-
-
-/*
- * 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 --
- *
- */
-
-/*
- * 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 "gtkpacker.h"
-#include "gtkintl.h"
-
-enum {
- PROP_0,
- PROP_SPACING,
- PROP_D_BORDER_WIDTH,
- PROP_D_PAD_X,
- PROP_D_PAD_Y,
- PROP_D_IPAD_X,
- PROP_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_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_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec);
-static void gtk_packer_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec);
-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)
- {
- static const 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;
- GObjectClass *gobject_class;
- GtkWidgetClass *widget_class;
- GtkContainerClass *container_class;
-
- gobject_class = G_OBJECT_CLASS (klass);
- object_class = (GtkObjectClass*) klass;
- widget_class = (GtkWidgetClass*) klass;
- container_class = (GtkContainerClass*) klass;
- parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
-
- 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_INT, GTK_ARG_READWRITE, CHILD_ARG_POSITION);
-
- gobject_class->set_property = gtk_packer_set_property;
- gobject_class->get_property = gtk_packer_get_property;
-
- 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;
-
- g_object_class_install_property (gobject_class,
- PROP_SPACING,
- g_param_spec_uint ("spacing",
- _("Spacing"),
- _("Width between child elements"),
- 0,
- G_MAXUINT,
- 0,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (gobject_class,
- PROP_D_BORDER_WIDTH,
- g_param_spec_uint ("default_border_width",
- _("Default Border"),
- _("Default border width"),
- 0,
- G_MAXUINT,
- 0,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (gobject_class,
- PROP_D_PAD_X,
- g_param_spec_uint ("default_pad_x",
- _("Default Pad X"),
- _("Default horizontal padding"),
- 0,
- G_MAXUINT,
- 0,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (gobject_class,
- PROP_D_PAD_Y,
- g_param_spec_uint ("default_pad_y",
- _("Default Pad Y"),
- _("Default vertical padding"),
- 0,
- G_MAXUINT,
- 0,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (gobject_class,
- PROP_D_IPAD_X,
- g_param_spec_uint ("default_ipad_x",
- _("Default IPad X"),
- _("Default horizontal internal padding"),
- 0,
- G_MAXUINT,
- 0,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (gobject_class,
- PROP_D_IPAD_Y,
- g_param_spec_uint ("default_ipad_y",
- _("Default IPad Y"),
- _("Default vertical internal padding"),
- 0,
- G_MAXUINT,
- 0,
- G_PARAM_READWRITE));
-
-}
-
-static void
-gtk_packer_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- GtkPacker *packer;
-
- packer = GTK_PACKER (object);
-
- switch (prop_id)
- {
- case PROP_SPACING:
- gtk_packer_set_spacing (packer, g_value_get_uint (value));
- break;
- case PROP_D_BORDER_WIDTH:
- gtk_packer_set_default_border_width (packer, g_value_get_uint (value));
- break;
- case PROP_D_PAD_X:
- gtk_packer_set_default_pad (packer,
- g_value_get_uint (value),
- packer->default_pad_y);
- break;
- case PROP_D_PAD_Y:
- gtk_packer_set_default_pad (packer,
- packer->default_pad_x,
- g_value_get_uint (value));
- break;
- case PROP_D_IPAD_X:
- gtk_packer_set_default_ipad (packer,
- g_value_get_uint (value),
- packer->default_i_pad_y);
- break;
- case PROP_D_IPAD_Y:
- gtk_packer_set_default_ipad (packer,
- packer->default_i_pad_x,
- g_value_get_uint (value));
- break;
- default:
- break;
- }
-}
-
-static void
-gtk_packer_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- GtkPacker *packer;
-
- packer = GTK_PACKER (object);
-
- switch (prop_id)
- {
- case PROP_SPACING:
- g_value_set_uint (value, packer->spacing);
- break;
- case PROP_D_BORDER_WIDTH:
- g_value_set_uint (value, packer->default_border_width);
- break;
- case PROP_D_PAD_X:
- g_value_set_uint (value, packer->default_pad_x);
- break;
- case PROP_D_PAD_Y:
- g_value_set_uint (value, packer->default_pad_y);
- break;
- case PROP_D_IPAD_X:
- g_value_set_uint (value, packer->default_i_pad_x);
- break;
- case PROP_D_IPAD_Y:
- g_value_set_uint (value, packer->default_i_pad_y);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- 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_INT (*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_INT (*arg) = 0;
- for (list = packer->children; list; list = list->next)
- {
- child_info = list->data;
- if (child_info->widget == child)
- break;
- GTK_VALUE_INT (*arg)++;
- }
- if (!list)
- GTK_VALUE_INT (*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);
-
- packer->children = NULL;
- packer->spacing = 0;
-}
-
-void
-gtk_packer_set_spacing (GtkPacker *packer,
- guint spacing)
-{
- g_return_if_fail (GTK_IS_PACKER (packer));
-
- if (spacing != packer->spacing)
- {
- packer->spacing = spacing;
- gtk_widget_queue_resize (GTK_WIDGET (packer));
-
- g_object_notify (G_OBJECT (packer), "spacing");
- }
-}
-
-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 (GTK_IS_PACKER (packer));
-
- if (packer->default_border_width != border)
- {
- packer->default_border_width = border;;
- redo_defaults_children (packer);
-
- g_object_notify (G_OBJECT (packer), "default_border_width");
- }
-}
-void
-gtk_packer_set_default_pad (GtkPacker *packer,
- guint pad_x,
- guint pad_y)
-{
- 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);
-
- g_object_freeze_notify (G_OBJECT (packer));
- if (packer->default_pad_x != pad_x)
- g_object_notify (G_OBJECT (packer), "default_pad_x");
- if (packer->default_pad_y != pad_y)
- g_object_notify (G_OBJECT (packer), "default_pad_y");
- g_object_thaw_notify (G_OBJECT (packer));
- }
-}
-
-void
-gtk_packer_set_default_ipad (GtkPacker *packer,
- guint i_pad_x,
- guint i_pad_y)
-{
- 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);
-
- g_object_freeze_notify (G_OBJECT (packer));
- if (packer->default_i_pad_x != i_pad_x)
- g_object_notify (G_OBJECT (packer), "default_ipad_x");
- if (packer->default_i_pad_y != i_pad_y)
- g_object_notify (G_OBJECT (packer), "default_ipad_y");
- g_object_thaw_notify (G_OBJECT (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 (GTK_IS_PACKER (packer));
- 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));
-}
-
-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 (GTK_IS_PACKER (packer));
- 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));
-}
-
-void
-gtk_packer_set_child_packing (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 (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 ("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 (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_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 (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))
- {
- GtkRequisition child_requisition;
-
- gtk_widget_size_request (child->widget, &child_requisition);
-
- if ((child->side == GTK_SIDE_TOP) || (child->side == GTK_SIDE_BOTTOM))
- {
- maxWidth = MAX (maxWidth,
- (child_requisition.width +
- 2 * child->border_width +
- child->pad_x + child->i_pad_x +
- width));
- height += (child_requisition.height +
- 2 * child->border_width +
- child->pad_y + child->i_pad_y);
- }
- else
- {
- maxHeight = MAX (maxHeight,
- (child_requisition.height +
- 2 * child->border_width +
- child->pad_y + child->i_pad_y +
- height));
- width += (child_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)
- {
- GtkRequisition child_requisition;
-
- child = list->data;
- widget = child->widget;
- gtk_widget_get_child_requisition (widget, &child_requisition);
-
- childHeight = (child_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)
- {
- GtkRequisition child_requisition;
-
- child = list->data;
- widget = child->widget;
- gtk_widget_get_child_requisition (widget, &child_requisition);
-
- childWidth = (child_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 (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)
- {
- GtkRequisition child_requisition;
-
- child = list->data;
- gtk_widget_get_child_requisition (child->widget, &child_requisition);
-
- if ((child->side == GTK_SIDE_TOP) || (child->side == GTK_SIDE_BOTTOM))
- {
- frameWidth = cavityWidth;
- frameHeight = (child_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_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_requisition.width +
- 2 * child->border_width +
- child->i_pad_x);
- if ((child->options & GTK_FILL_X) || (width > (frameWidth - borderX)))
- width = frameWidth - borderX;
-
- height = (child_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_set_child_visible (child->widget, FALSE);
- }
- 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);
-
- gtk_widget_set_child_visible (child->widget, TRUE);
- }
-
- 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 (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);
- }
-}
-
projects / ~andy / gtk / commitdiff