forked from AuroraMiddleware/gtk
587197ff21
Fri Mar 9 09:31:55 2001 Tim Janik <timj@gtk.org>
* gtk/gtkwidget.c (gtk_widget_class_init): fixed signals with
GDK_TYPE_DRAG_CONTEXT, it needs to be marshaled as an object,
not a boxed.
735 lines
17 KiB
C
735 lines
17 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "gtkbox.h"
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enum {
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ARG_0,
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ARG_SPACING,
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ARG_HOMOGENEOUS
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};
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enum {
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CHILD_ARG_0,
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CHILD_ARG_EXPAND,
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CHILD_ARG_FILL,
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CHILD_ARG_PADDING,
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CHILD_ARG_PACK_TYPE,
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CHILD_ARG_POSITION
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};
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static void gtk_box_class_init (GtkBoxClass *klass);
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static void gtk_box_init (GtkBox *box);
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static void gtk_box_get_arg (GtkObject *object,
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GtkArg *arg,
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guint arg_id);
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static void gtk_box_set_arg (GtkObject *object,
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GtkArg *arg,
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guint arg_id);
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static void gtk_box_map (GtkWidget *widget);
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static void gtk_box_unmap (GtkWidget *widget);
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static void gtk_box_add (GtkContainer *container,
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GtkWidget *widget);
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static void gtk_box_remove (GtkContainer *container,
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GtkWidget *widget);
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static void gtk_box_forall (GtkContainer *container,
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gboolean include_internals,
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GtkCallback callback,
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gpointer callback_data);
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static void gtk_box_set_child_arg (GtkContainer *container,
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GtkWidget *child,
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GtkArg *arg,
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guint arg_id);
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static void gtk_box_get_child_arg (GtkContainer *container,
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GtkWidget *child,
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GtkArg *arg,
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guint arg_id);
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static GtkType gtk_box_child_type (GtkContainer *container);
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static GtkContainerClass *parent_class = NULL;
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GtkType
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gtk_box_get_type (void)
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{
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static GtkType box_type = 0;
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if (!box_type)
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{
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static const GtkTypeInfo box_info =
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{
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"GtkBox",
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sizeof (GtkBox),
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sizeof (GtkBoxClass),
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(GtkClassInitFunc) gtk_box_class_init,
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(GtkObjectInitFunc) gtk_box_init,
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/* reserved_1 */ NULL,
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/* reserved_2 */ NULL,
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(GtkClassInitFunc) NULL,
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};
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box_type = gtk_type_unique (GTK_TYPE_CONTAINER, &box_info);
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}
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return box_type;
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}
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static void
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gtk_box_class_init (GtkBoxClass *class)
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{
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GtkObjectClass *object_class;
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GtkWidgetClass *widget_class;
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GtkContainerClass *container_class;
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object_class = (GtkObjectClass*) class;
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widget_class = (GtkWidgetClass*) class;
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container_class = (GtkContainerClass*) class;
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parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
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gtk_object_add_arg_type ("GtkBox::spacing", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_SPACING);
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gtk_object_add_arg_type ("GtkBox::homogeneous", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_HOMOGENEOUS);
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gtk_container_add_child_arg_type ("GtkBox::expand", GTK_TYPE_BOOL, GTK_ARG_READWRITE, CHILD_ARG_EXPAND);
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gtk_container_add_child_arg_type ("GtkBox::fill", GTK_TYPE_BOOL, GTK_ARG_READWRITE, CHILD_ARG_FILL);
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gtk_container_add_child_arg_type ("GtkBox::padding", GTK_TYPE_UINT, GTK_ARG_READWRITE, CHILD_ARG_PADDING);
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gtk_container_add_child_arg_type ("GtkBox::pack_type", GTK_TYPE_PACK_TYPE, GTK_ARG_READWRITE, CHILD_ARG_PACK_TYPE);
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gtk_container_add_child_arg_type ("GtkBox::position", GTK_TYPE_INT, GTK_ARG_READWRITE, CHILD_ARG_POSITION);
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object_class->set_arg = gtk_box_set_arg;
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object_class->get_arg = gtk_box_get_arg;
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widget_class->map = gtk_box_map;
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widget_class->unmap = gtk_box_unmap;
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container_class->add = gtk_box_add;
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container_class->remove = gtk_box_remove;
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container_class->forall = gtk_box_forall;
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container_class->child_type = gtk_box_child_type;
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container_class->set_child_arg = gtk_box_set_child_arg;
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container_class->get_child_arg = gtk_box_get_child_arg;
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}
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static void
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gtk_box_init (GtkBox *box)
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{
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GTK_WIDGET_SET_FLAGS (box, GTK_NO_WINDOW);
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box->children = NULL;
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box->spacing = 0;
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box->homogeneous = FALSE;
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}
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static void
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gtk_box_set_arg (GtkObject *object,
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GtkArg *arg,
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guint arg_id)
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{
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GtkBox *box;
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box = GTK_BOX (object);
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switch (arg_id)
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{
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case ARG_SPACING:
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gtk_box_set_spacing (box, GTK_VALUE_INT (*arg));
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break;
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case ARG_HOMOGENEOUS:
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gtk_box_set_homogeneous (box, GTK_VALUE_BOOL (*arg));
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break;
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default:
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break;
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}
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}
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static void
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gtk_box_get_arg (GtkObject *object,
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GtkArg *arg,
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guint arg_id)
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{
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GtkBox *box;
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box = GTK_BOX (object);
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switch (arg_id)
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{
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case ARG_SPACING:
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GTK_VALUE_INT (*arg) = box->spacing;
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break;
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case ARG_HOMOGENEOUS:
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GTK_VALUE_BOOL (*arg) = box->homogeneous;
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break;
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default:
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arg->type = GTK_TYPE_INVALID;
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break;
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}
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}
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static GtkType
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gtk_box_child_type (GtkContainer *container)
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{
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return GTK_TYPE_WIDGET;
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}
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static void
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gtk_box_set_child_arg (GtkContainer *container,
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GtkWidget *child,
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GtkArg *arg,
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guint arg_id)
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{
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gboolean expand = 0;
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gboolean fill = 0;
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guint padding = 0;
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GtkPackType pack_type = 0;
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if (arg_id != CHILD_ARG_POSITION)
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gtk_box_query_child_packing (GTK_BOX (container),
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child,
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&expand,
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&fill,
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&padding,
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&pack_type);
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switch (arg_id)
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{
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case CHILD_ARG_EXPAND:
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gtk_box_set_child_packing (GTK_BOX (container),
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child,
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GTK_VALUE_BOOL (*arg),
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fill,
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padding,
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pack_type);
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break;
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case CHILD_ARG_FILL:
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gtk_box_set_child_packing (GTK_BOX (container),
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child,
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expand,
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GTK_VALUE_BOOL (*arg),
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padding,
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pack_type);
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break;
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case CHILD_ARG_PADDING:
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gtk_box_set_child_packing (GTK_BOX (container),
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child,
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expand,
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fill,
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GTK_VALUE_UINT (*arg),
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pack_type);
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break;
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case CHILD_ARG_PACK_TYPE:
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gtk_box_set_child_packing (GTK_BOX (container),
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child,
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expand,
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fill,
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padding,
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GTK_VALUE_ENUM (*arg));
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break;
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case CHILD_ARG_POSITION:
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gtk_box_reorder_child (GTK_BOX (container),
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child,
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GTK_VALUE_INT (*arg));
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break;
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default:
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break;
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}
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}
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static void
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gtk_box_get_child_arg (GtkContainer *container,
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GtkWidget *child,
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GtkArg *arg,
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guint arg_id)
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{
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gboolean expand = 0;
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gboolean fill = 0;
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guint padding = 0;
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GtkPackType pack_type = 0;
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GList *list;
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if (arg_id != CHILD_ARG_POSITION)
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gtk_box_query_child_packing (GTK_BOX (container),
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child,
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&expand,
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&fill,
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&padding,
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&pack_type);
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switch (arg_id)
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{
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case CHILD_ARG_EXPAND:
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GTK_VALUE_BOOL (*arg) = expand;
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break;
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case CHILD_ARG_FILL:
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GTK_VALUE_BOOL (*arg) = fill;
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break;
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case CHILD_ARG_PADDING:
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GTK_VALUE_UINT (*arg) = padding;
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break;
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case CHILD_ARG_PACK_TYPE:
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GTK_VALUE_ENUM (*arg) = pack_type;
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break;
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case CHILD_ARG_POSITION:
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GTK_VALUE_INT (*arg) = 0;
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for (list = GTK_BOX (container)->children; list; list = list->next)
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{
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GtkBoxChild *child_entry;
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child_entry = list->data;
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if (child_entry->widget == child)
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break;
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GTK_VALUE_INT (*arg)++;
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}
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if (!list)
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GTK_VALUE_INT (*arg) = -1;
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break;
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default:
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arg->type = GTK_TYPE_INVALID;
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break;
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}
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}
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void
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gtk_box_pack_start (GtkBox *box,
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GtkWidget *child,
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gboolean expand,
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gboolean fill,
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guint padding)
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{
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GtkBoxChild *child_info;
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g_return_if_fail (box != NULL);
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g_return_if_fail (GTK_IS_BOX (box));
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g_return_if_fail (child != NULL);
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g_return_if_fail (child->parent == NULL);
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child_info = g_new (GtkBoxChild, 1);
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child_info->widget = child;
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child_info->padding = padding;
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child_info->expand = expand ? TRUE : FALSE;
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child_info->fill = fill ? TRUE : FALSE;
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child_info->pack = GTK_PACK_START;
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box->children = g_list_append (box->children, child_info);
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gtk_widget_set_parent (child, GTK_WIDGET (box));
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if (GTK_WIDGET_REALIZED (box))
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gtk_widget_realize (child);
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if (GTK_WIDGET_VISIBLE (box) && GTK_WIDGET_VISIBLE (child))
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{
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if (GTK_WIDGET_MAPPED (box))
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gtk_widget_map (child);
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gtk_widget_queue_resize (child);
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}
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}
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void
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gtk_box_pack_end (GtkBox *box,
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GtkWidget *child,
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gboolean expand,
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gboolean fill,
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guint padding)
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{
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GtkBoxChild *child_info;
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g_return_if_fail (box != NULL);
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g_return_if_fail (GTK_IS_BOX (box));
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g_return_if_fail (child != NULL);
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g_return_if_fail (child->parent == NULL);
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child_info = g_new (GtkBoxChild, 1);
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child_info->widget = child;
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child_info->padding = padding;
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child_info->expand = expand ? TRUE : FALSE;
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child_info->fill = fill ? TRUE : FALSE;
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child_info->pack = GTK_PACK_END;
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box->children = g_list_append (box->children, child_info);
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gtk_widget_set_parent (child, GTK_WIDGET (box));
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if (GTK_WIDGET_REALIZED (box))
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gtk_widget_realize (child);
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if (GTK_WIDGET_VISIBLE (box) && GTK_WIDGET_VISIBLE (child))
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{
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if (GTK_WIDGET_MAPPED (box))
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gtk_widget_map (child);
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gtk_widget_queue_resize (child);
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}
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}
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void
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gtk_box_pack_start_defaults (GtkBox *box,
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GtkWidget *child)
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{
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g_return_if_fail (box != NULL);
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g_return_if_fail (GTK_IS_BOX (box));
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g_return_if_fail (child != NULL);
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gtk_box_pack_start (box, child, TRUE, TRUE, 0);
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}
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void
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gtk_box_pack_end_defaults (GtkBox *box,
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GtkWidget *child)
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{
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g_return_if_fail (box != NULL);
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g_return_if_fail (GTK_IS_BOX (box));
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g_return_if_fail (child != NULL);
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gtk_box_pack_end (box, child, TRUE, TRUE, 0);
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}
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void
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gtk_box_set_homogeneous (GtkBox *box,
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gboolean homogeneous)
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{
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g_return_if_fail (box != NULL);
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g_return_if_fail (GTK_IS_BOX (box));
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if ((homogeneous ? TRUE : FALSE) != box->homogeneous)
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{
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box->homogeneous = homogeneous ? TRUE : FALSE;
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gtk_widget_queue_resize (GTK_WIDGET (box));
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}
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}
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void
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gtk_box_set_spacing (GtkBox *box,
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gint spacing)
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{
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g_return_if_fail (box != NULL);
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g_return_if_fail (GTK_IS_BOX (box));
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if (spacing != box->spacing)
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{
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box->spacing = spacing;
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gtk_widget_queue_resize (GTK_WIDGET (box));
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}
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}
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/**
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* gtk_box_get_spacing:
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* @box: a #GtkBox
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*
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* Gets the value set by gtk_box_set_spacing().
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*
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* Return value: spacing between children
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**/
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gint
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gtk_box_get_spacing (GtkBox *box)
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{
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g_return_val_if_fail (GTK_IS_BOX (box), 0);
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return box->spacing;
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}
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void
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gtk_box_reorder_child (GtkBox *box,
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GtkWidget *child,
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gint position)
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{
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GList *list;
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g_return_if_fail (box != NULL);
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g_return_if_fail (GTK_IS_BOX (box));
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g_return_if_fail (child != NULL);
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list = box->children;
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while (list)
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{
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GtkBoxChild *child_info;
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child_info = list->data;
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if (child_info->widget == child)
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break;
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list = list->next;
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}
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if (list && box->children->next)
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{
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GList *tmp_list;
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if (list->next)
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list->next->prev = list->prev;
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if (list->prev)
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list->prev->next = list->next;
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else
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box->children = list->next;
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tmp_list = box->children;
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while (position && tmp_list->next)
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{
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position--;
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tmp_list = tmp_list->next;
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}
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if (position)
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{
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tmp_list->next = list;
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list->prev = tmp_list;
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list->next = NULL;
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}
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else
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{
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if (tmp_list->prev)
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tmp_list->prev->next = list;
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else
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box->children = list;
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list->prev = tmp_list->prev;
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tmp_list->prev = list;
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list->next = tmp_list;
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}
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if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (box))
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gtk_widget_queue_resize (child);
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}
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}
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void
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gtk_box_query_child_packing (GtkBox *box,
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GtkWidget *child,
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gboolean *expand,
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gboolean *fill,
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guint *padding,
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GtkPackType *pack_type)
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{
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GList *list;
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GtkBoxChild *child_info = NULL;
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g_return_if_fail (box != NULL);
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g_return_if_fail (GTK_IS_BOX (box));
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g_return_if_fail (child != NULL);
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list = box->children;
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while (list)
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{
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child_info = list->data;
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if (child_info->widget == child)
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break;
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list = list->next;
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}
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if (list)
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{
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if (expand)
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*expand = child_info->expand;
|
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if (fill)
|
|
*fill = child_info->fill;
|
|
if (padding)
|
|
*padding = child_info->padding;
|
|
if (pack_type)
|
|
*pack_type = child_info->pack;
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_box_set_child_packing (GtkBox *box,
|
|
GtkWidget *child,
|
|
gboolean expand,
|
|
gboolean fill,
|
|
guint padding,
|
|
GtkPackType pack_type)
|
|
{
|
|
GList *list;
|
|
GtkBoxChild *child_info = NULL;
|
|
|
|
g_return_if_fail (box != NULL);
|
|
g_return_if_fail (GTK_IS_BOX (box));
|
|
g_return_if_fail (child != NULL);
|
|
|
|
list = box->children;
|
|
while (list)
|
|
{
|
|
child_info = list->data;
|
|
if (child_info->widget == child)
|
|
break;
|
|
|
|
list = list->next;
|
|
}
|
|
|
|
if (list)
|
|
{
|
|
child_info->expand = expand != FALSE;
|
|
child_info->fill = fill != FALSE;
|
|
child_info->padding = padding;
|
|
if (pack_type == GTK_PACK_END)
|
|
child_info->pack = GTK_PACK_END;
|
|
else
|
|
child_info->pack = GTK_PACK_START;
|
|
|
|
if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (box))
|
|
gtk_widget_queue_resize (child);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_box_map (GtkWidget *widget)
|
|
{
|
|
GtkBox *box;
|
|
GtkBoxChild *child;
|
|
GList *children;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_BOX (widget));
|
|
|
|
box = GTK_BOX (widget);
|
|
GTK_WIDGET_SET_FLAGS (box, GTK_MAPPED);
|
|
|
|
children = box->children;
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
children = children->next;
|
|
|
|
if (GTK_WIDGET_VISIBLE (child->widget) &&
|
|
!GTK_WIDGET_MAPPED (child->widget))
|
|
gtk_widget_map (child->widget);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_box_unmap (GtkWidget *widget)
|
|
{
|
|
GtkBox *box;
|
|
GtkBoxChild *child;
|
|
GList *children;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_BOX (widget));
|
|
|
|
box = GTK_BOX (widget);
|
|
GTK_WIDGET_UNSET_FLAGS (box, GTK_MAPPED);
|
|
|
|
children = box->children;
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
children = children->next;
|
|
|
|
if (GTK_WIDGET_VISIBLE (child->widget) &&
|
|
GTK_WIDGET_MAPPED (child->widget))
|
|
gtk_widget_unmap (child->widget);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_box_add (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_BOX (container));
|
|
g_return_if_fail (widget != NULL);
|
|
|
|
gtk_box_pack_start_defaults (GTK_BOX (container), widget);
|
|
}
|
|
|
|
static void
|
|
gtk_box_remove (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkBox *box;
|
|
GtkBoxChild *child;
|
|
GList *children;
|
|
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_BOX (container));
|
|
g_return_if_fail (widget != NULL);
|
|
|
|
box = GTK_BOX (container);
|
|
|
|
children = box->children;
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
|
|
if (child->widget == widget)
|
|
{
|
|
gboolean was_visible;
|
|
|
|
was_visible = GTK_WIDGET_VISIBLE (widget);
|
|
gtk_widget_unparent (widget);
|
|
|
|
box->children = g_list_remove_link (box->children, children);
|
|
g_list_free (children);
|
|
g_free (child);
|
|
|
|
/* queue resize regardless of GTK_WIDGET_VISIBLE (container),
|
|
* since that's what is needed by toplevels.
|
|
*/
|
|
if (was_visible)
|
|
gtk_widget_queue_resize (GTK_WIDGET (container));
|
|
|
|
break;
|
|
}
|
|
|
|
children = children->next;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_box_forall (GtkContainer *container,
|
|
gboolean include_internals,
|
|
GtkCallback callback,
|
|
gpointer callback_data)
|
|
{
|
|
GtkBox *box;
|
|
GtkBoxChild *child;
|
|
GList *children;
|
|
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_BOX (container));
|
|
g_return_if_fail (callback != NULL);
|
|
|
|
box = GTK_BOX (container);
|
|
|
|
children = box->children;
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
children = children->next;
|
|
|
|
if (child->pack == GTK_PACK_START)
|
|
(* callback) (child->widget, callback_data);
|
|
}
|
|
|
|
children = g_list_last (box->children);
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
children = children->prev;
|
|
|
|
if (child->pack == GTK_PACK_END)
|
|
(* callback) (child->widget, callback_data);
|
|
}
|
|
}
|