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tenfourfox/widget/gtk/mozcontainer.c

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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozcontainer.h"
#include <gtk/gtk.h>
#include <stdio.h>
#ifdef ACCESSIBILITY
#include <atk/atk.h>
#include "maiRedundantObjectFactory.h"
#endif
/* init methods */
static void moz_container_class_init (MozContainerClass *klass);
static void moz_container_init (MozContainer *container);
/* widget class methods */
static void moz_container_map (GtkWidget *widget);
static void moz_container_unmap (GtkWidget *widget);
static void moz_container_realize (GtkWidget *widget);
static void moz_container_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
/* container class methods */
static void moz_container_remove (GtkContainer *container,
GtkWidget *child_widget);
static void moz_container_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data);
static void moz_container_add (GtkContainer *container,
GtkWidget *widget);
typedef struct _MozContainerChild MozContainerChild;
struct _MozContainerChild {
GtkWidget *widget;
gint x;
gint y;
};
static void moz_container_allocate_child (MozContainer *container,
MozContainerChild *child);
static MozContainerChild *
moz_container_get_child (MozContainer *container, GtkWidget *child);
/* public methods */
GType
moz_container_get_type(void)
{
static GType moz_container_type = 0;
if (!moz_container_type) {
static GTypeInfo moz_container_info = {
sizeof(MozContainerClass), /* class_size */
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) moz_container_class_init, /* class_init */
NULL, /* class_destroy */
NULL, /* class_data */
sizeof(MozContainer), /* instance_size */
0, /* n_preallocs */
(GInstanceInitFunc) moz_container_init, /* instance_init */
NULL, /* value_table */
};
moz_container_type = g_type_register_static (GTK_TYPE_CONTAINER,
"MozContainer",
&moz_container_info, 0);
#ifdef ACCESSIBILITY
/* Set a factory to return accessible object with ROLE_REDUNDANT for
* MozContainer, so that gail won't send focus notification for it */
atk_registry_set_factory_type(atk_get_default_registry(),
moz_container_type,
mai_redundant_object_factory_get_type());
#endif
}
return moz_container_type;
}
GtkWidget *
moz_container_new (void)
{
MozContainer *container;
container = g_object_new (MOZ_CONTAINER_TYPE, NULL);
return GTK_WIDGET(container);
}
void
moz_container_put (MozContainer *container, GtkWidget *child_widget,
gint x, gint y)
{
MozContainerChild *child;
child = g_new (MozContainerChild, 1);
child->widget = child_widget;
child->x = x;
child->y = y;
/* printf("moz_container_put %p %p %d %d\n", (void *)container,
(void *)child_widget, x, y); */
container->children = g_list_append (container->children, child);
/* we assume that the caller of this function will have already set
the parent GdkWindow because we can have many anonymous children. */
gtk_widget_set_parent(child_widget, GTK_WIDGET(container));
}
void
moz_container_move (MozContainer *container, GtkWidget *child_widget,
gint x, gint y, gint width, gint height)
{
MozContainerChild *child;
GtkAllocation new_allocation;
child = moz_container_get_child (container, child_widget);
child->x = x;
child->y = y;
new_allocation.x = x;
new_allocation.y = y;
new_allocation.width = width;
new_allocation.height = height;
/* printf("moz_container_move %p %p will allocate to %d %d %d %d\n",
(void *)container, (void *)child_widget,
new_allocation.x, new_allocation.y,
new_allocation.width, new_allocation.height); */
gtk_widget_size_allocate(child_widget, &new_allocation);
}
/* static methods */
void
moz_container_class_init (MozContainerClass *klass)
{
/*GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass); */
GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
widget_class->map = moz_container_map;
widget_class->unmap = moz_container_unmap;
widget_class->realize = moz_container_realize;
widget_class->size_allocate = moz_container_size_allocate;
container_class->remove = moz_container_remove;
container_class->forall = moz_container_forall;
container_class->add = moz_container_add;
}
void
moz_container_init (MozContainer *container)
{
gtk_widget_set_can_focus(GTK_WIDGET(container), TRUE);
gtk_container_set_resize_mode(GTK_CONTAINER(container), GTK_RESIZE_IMMEDIATE);
gtk_widget_set_redraw_on_allocate(GTK_WIDGET(container), FALSE);
}
void
moz_container_map (GtkWidget *widget)
{
MozContainer *container;
GList *tmp_list;
GtkWidget *tmp_child;
g_return_if_fail (IS_MOZ_CONTAINER(widget));
container = MOZ_CONTAINER (widget);
gtk_widget_set_mapped(widget, TRUE);
tmp_list = container->children;
while (tmp_list) {
tmp_child = ((MozContainerChild *)tmp_list->data)->widget;
if (gtk_widget_get_visible(tmp_child)) {
if (!gtk_widget_get_mapped(tmp_child))
gtk_widget_map(tmp_child);
}
tmp_list = tmp_list->next;
}
if (gtk_widget_get_has_window (widget)) {
gdk_window_show (gtk_widget_get_window(widget));
}
}
void
moz_container_unmap (GtkWidget *widget)
{
g_return_if_fail (IS_MOZ_CONTAINER (widget));
gtk_widget_set_mapped(widget, FALSE);
if (gtk_widget_get_has_window (widget)) {
gdk_window_hide (gtk_widget_get_window(widget));
}
}
void
moz_container_realize (GtkWidget *widget)
{
GdkWindow *parent = gtk_widget_get_parent_window (widget);
GdkWindow *window;
gtk_widget_set_realized(widget, TRUE);
if (gtk_widget_get_has_window (widget)) {
GdkWindowAttr attributes;
gint attributes_mask = GDK_WA_VISUAL | GDK_WA_X | GDK_WA_Y;
GtkAllocation allocation;
gtk_widget_get_allocation (widget, &allocation);
attributes.event_mask = gtk_widget_get_events (widget);
attributes.x = allocation.x;
attributes.y = allocation.y;
attributes.width = allocation.width;
attributes.height = allocation.height;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
attributes.window_type = GDK_WINDOW_CHILD;
#if (MOZ_WIDGET_GTK == 2)
attributes.colormap = gtk_widget_get_colormap (widget);
attributes_mask |= GDK_WA_COLORMAP;
#endif
window = gdk_window_new (parent, &attributes, attributes_mask);
gdk_window_set_user_data (window, widget);
#if (MOZ_WIDGET_GTK == 2)
/* TODO GTK3? */
/* set the back pixmap to None so that you don't end up with the gtk
default which is BlackPixel */
gdk_window_set_back_pixmap (window, NULL, FALSE);
#endif
} else {
window = parent;
g_object_ref (window);
}
gtk_widget_set_window (widget, window);
#if (MOZ_WIDGET_GTK == 2)
widget->style = gtk_style_attach (widget->style, widget->window);
#endif
}
void
moz_container_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
MozContainer *container;
GList *tmp_list;
GtkAllocation tmp_allocation;
GtkRequisition tmp_requisition;
GtkWidget *tmp_child;
g_return_if_fail (IS_MOZ_CONTAINER (widget));
/* printf("moz_container_size_allocate %p %d %d %d %d\n",
(void *)widget,
allocation->x,
allocation->y,
allocation->width,
allocation->height); */
/* short circuit if you can */
container = MOZ_CONTAINER (widget);
gtk_widget_get_allocation(widget, &tmp_allocation);
if (!container->children &&
tmp_allocation.x == allocation->x &&
tmp_allocation.y == allocation->y &&
tmp_allocation.width == allocation->width &&
tmp_allocation.height == allocation->height) {
return;
}
gtk_widget_set_allocation(widget, allocation);
tmp_list = container->children;
while (tmp_list) {
MozContainerChild *child = tmp_list->data;
moz_container_allocate_child (container, child);
tmp_list = tmp_list->next;
}
if (gtk_widget_get_has_window (widget) &&
gtk_widget_get_realized (widget)) {
gdk_window_move_resize(gtk_widget_get_window(widget),
allocation->x,
allocation->y,
allocation->width,
allocation->height);
}
}
void
moz_container_remove (GtkContainer *container, GtkWidget *child_widget)
{
MozContainerChild *child;
MozContainer *moz_container;
GdkWindow* parent_window;
g_return_if_fail (IS_MOZ_CONTAINER(container));
g_return_if_fail (GTK_IS_WIDGET(child_widget));
moz_container = MOZ_CONTAINER(container);
child = moz_container_get_child (moz_container, child_widget);
g_return_if_fail (child);
/* gtk_widget_unparent will remove the parent window (as well as the
* parent widget), but, in Mozilla's window hierarchy, the parent window
* may need to be kept because it may be part of a GdkWindow sub-hierarchy
* that is being moved to another MozContainer.
*
* (In a conventional GtkWidget hierarchy, GdkWindows being reparented
* would have their own GtkWidget and that widget would be the one being
* reparented. In Mozilla's hierarchy, the parent_window needs to be
* retained so that the GdkWindow sub-hierarchy is maintained.)
*/
parent_window = gtk_widget_get_parent_window(child_widget);
if (parent_window)
g_object_ref(parent_window);
gtk_widget_unparent(child_widget);
if (parent_window) {
/* The child_widget will always still exist because g_signal_emit,
* which invokes this function, holds a reference.
*
* If parent_window is the container's root window then it will not be
* the parent_window if the child_widget is placed in another
* container.
*/
if (parent_window != gtk_widget_get_window(GTK_WIDGET(container)))
gtk_widget_set_parent_window(child_widget, parent_window);
g_object_unref(parent_window);
}
moz_container->children = g_list_remove(moz_container->children, child);
g_free(child);
}
void
moz_container_forall (GtkContainer *container, gboolean include_internals,
GtkCallback callback, gpointer callback_data)
{
MozContainer *moz_container;
GList *tmp_list;
g_return_if_fail (IS_MOZ_CONTAINER(container));
g_return_if_fail (callback != NULL);
moz_container = MOZ_CONTAINER(container);
tmp_list = moz_container->children;
while (tmp_list) {
MozContainerChild *child;
child = tmp_list->data;
tmp_list = tmp_list->next;
(* callback) (child->widget, callback_data);
}
}
static void
moz_container_allocate_child (MozContainer *container,
MozContainerChild *child)
{
GtkAllocation allocation;
GtkRequisition requisition;
gtk_widget_get_allocation (child->widget, &allocation);
allocation.x = child->x;
allocation.y = child->y;
/* gtk_widget_get_child_requisition (child->widget, &requisition); */
/* gtk_widget_size_request (child->widget, &requisition); */
gtk_widget_size_allocate (child->widget, &allocation);
}
MozContainerChild *
moz_container_get_child (MozContainer *container, GtkWidget *child_widget)
{
GList *tmp_list;
tmp_list = container->children;
while (tmp_list) {
MozContainerChild *child;
child = tmp_list->data;
tmp_list = tmp_list->next;
if (child->widget == child_widget)
return child;
}
return NULL;
}
static void
moz_container_add(GtkContainer *container, GtkWidget *widget)
{
moz_container_put(MOZ_CONTAINER(container), widget, 0, 0);
}
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