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![Alexander Larsson](/assets/img/avatar_default.png)
2008-12-15 Alexander Larsson <alexl@redhat.com> * Makefile.am: * acconfig.h: * configure.in: * eel/ * libnautilus-private/Makefile.am: Import eel into nautilus. svn path=/trunk/; revision=14815
210 lines
5.8 KiB
C
210 lines
5.8 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
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/* eel-gtk-container.c - Functions to simplify the implementations of
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GtkContainer widgets.
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Copyright (C) 2001 Ramiro Estrugo.
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The Gnome Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The Gnome 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the Gnome Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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Authors: Ramiro Estrugo <ramiro@eazel.com>
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*/
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#include <config.h>
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#include "eel-gtk-container.h"
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#include "eel-art-extensions.h"
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/**
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* eel_gtk_container_child_expose_event:
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*
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* @container: A GtkContainer widget.
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* @child: A child of @container or NULL;
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* @event: The expose event.
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*
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* Forward an expose event to a child if needed. It is valid to give a NULL @child.
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* In that case this function is a noop. Proper clipping is done to ensure that the @child
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* does indeed need to be forwarded the exposure event. Finally, the forwarding
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* only occurs if the child is a NO_WINDOW widget. Of course, it is valid to feed
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* non NO_WINDOW widgets to this function, in which case this function is a noop.
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*/
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void
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eel_gtk_container_child_expose_event (GtkContainer *container,
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GtkWidget *child,
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GdkEventExpose *event)
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{
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g_return_if_fail (GTK_IS_CONTAINER (container));
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if (child == NULL) {
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return;
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}
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g_return_if_fail (GTK_IS_WIDGET (child));
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gtk_container_propagate_expose (container, child, event);
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}
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/**
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* eel_gtk_container_child_map:
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*
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* @container: A GtkContainer widget.
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* @child: A child of @container or NULL;
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*
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* Map a child if needed. This is usually called from the "GtkWidget::map"
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* method of the @container widget. If @child is NULL, then this function is a noop.
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*/
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void
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eel_gtk_container_child_map (GtkContainer *container,
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GtkWidget *child)
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{
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g_return_if_fail (GTK_IS_CONTAINER (container));
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if (child == NULL) {
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return;
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}
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g_return_if_fail (child->parent == GTK_WIDGET (container));
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if (GTK_WIDGET_VISIBLE (child) && !GTK_WIDGET_MAPPED (child)) {
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gtk_widget_map (child);
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}
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}
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/**
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* eel_gtk_container_child_unmap:
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*
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* @container: A GtkContainer widget.
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* @child: A child of @container or NULL;
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*
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* Unmap a child if needed. This is usually called from the "GtkWidget::unmap"
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* method of the @container widget. If @child is NULL, then this function is a noop.
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*/
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void
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eel_gtk_container_child_unmap (GtkContainer *container,
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GtkWidget *child)
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{
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g_return_if_fail (GTK_IS_CONTAINER (container));
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if (child == NULL) {
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return;
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}
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g_return_if_fail (child->parent == GTK_WIDGET (container));
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if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_MAPPED (child)) {
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gtk_widget_unmap (child);
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}
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}
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/**
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* eel_gtk_container_child_add:
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*
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* @container: A GtkContainer widget.
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* @child: A non NULL unparented child.
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*
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* Add a @child to a @container. The @child is realized, mapped
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* and resized if needed. This is usually called from the "GtkContainer::add"
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* method of the @container. The @child cannot be NULL.
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*/
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void
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eel_gtk_container_child_add (GtkContainer *container,
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GtkWidget *child)
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{
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g_return_if_fail (GTK_IS_CONTAINER (container));
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g_return_if_fail (GTK_IS_WIDGET (child));
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gtk_widget_set_parent (child, GTK_WIDGET (container));
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if (GTK_WIDGET_REALIZED (container)) {
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gtk_widget_realize (child);
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}
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if (GTK_WIDGET_VISIBLE (container) && GTK_WIDGET_VISIBLE (child)) {
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if (GTK_WIDGET_MAPPED (container)) {
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gtk_widget_map (child);
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}
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gtk_widget_queue_resize (child);
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}
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}
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/**
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* eel_gtk_container_child_remove:
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*
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* @container: A GtkContainer widget.
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* @child: A non NULL child of @container.
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*
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* Remove @child from @container. The @container is resized if needed.
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* This is usually called from the "GtkContainer::remove" method of the
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* @container. The child cannot be NULL.
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*/
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void
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eel_gtk_container_child_remove (GtkContainer *container,
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GtkWidget *child)
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{
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gboolean child_was_visible;
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g_return_if_fail (GTK_IS_CONTAINER (container));
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g_return_if_fail (GTK_IS_WIDGET (child));
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g_return_if_fail (child->parent == GTK_WIDGET (container));
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child_was_visible = GTK_WIDGET_VISIBLE (child);
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gtk_widget_unparent (child);
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if (child_was_visible) {
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gtk_widget_queue_resize (GTK_WIDGET (container));
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}
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}
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/**
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* eel_gtk_container_child_size_allocate:
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*
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* @container: A GtkContainer widget.
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* @child: A child of @container or NULL;
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*
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* Invoke the "GtkWidget::size_allocate" method of @child.
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* This function is usually called from the "GtkWidget::size_allocate"
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* method of @container. The child can be NULL, in which case this
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* function is a noop.
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*/
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void
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eel_gtk_container_child_size_allocate (GtkContainer *container,
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GtkWidget *child,
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EelIRect child_geometry)
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{
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GtkAllocation child_allocation;
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g_return_if_fail (GTK_IS_CONTAINER (container));
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if (child == NULL) {
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return;
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}
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g_return_if_fail (GTK_IS_WIDGET (child));
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g_return_if_fail (child->parent == GTK_WIDGET (container));
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if (eel_irect_is_empty (&child_geometry)) {
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return;
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}
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child_allocation.x = child_geometry.x0;
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child_allocation.y = child_geometry.y0;
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child_allocation.width = eel_irect_get_width (child_geometry);
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child_allocation.height = eel_irect_get_height (child_geometry);
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gtk_widget_size_allocate (child, &child_allocation);
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}
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