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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
#include "config.h"
#include <gdk/gdkx.h>
#include "shell-embedded-window-private.h"
/* This type is a subclass of GtkWindow that ties the window to a
* ShellGtkEmbed; the resizing logic is bound to the clutter logic.
*
* The typical usage we might expect is
*
* - ShellEmbeddedWindow is created and filled with content
* - ShellEmbeddedWindow is shown with gtk_widget_show_all()
* - ShellGtkEmbed is created for the ShellEmbeddedWindow
* - actor is added to a stage
*
* The way it works is that the GtkWindow is mapped if and only if both:
*
* - gtk_widget_visible (window) [widget has been shown]
* - Actor is mapped [actor and all parents visible, actor in stage]
*/
enum {
PROP_0
};
typedef struct _ShellEmbeddedWindowPrivate ShellEmbeddedWindowPrivate;
struct _ShellEmbeddedWindowPrivate {
ShellGtkEmbed *actor;
GdkRectangle position;
};
G_DEFINE_TYPE_WITH_PRIVATE (ShellEmbeddedWindow,
shell_embedded_window,
GTK_TYPE_WINDOW);
/*
* The normal gtk_window_show() starts all of the complicated asynchronous
* window resizing code running; we don't want or need any of that.
* Bypassing the normal code does mean that the extra geometry management
* available on GtkWindow: gridding, maximum sizes, etc, is ignored; we
* don't really want that anyways - we just want a way of embedding a
* GtkWidget into a Clutter stage.
*/
static void
shell_embedded_window_show (GtkWidget *widget)
{
ShellEmbeddedWindow *window = SHELL_EMBEDDED_WINDOW (widget);
ShellEmbeddedWindowPrivate *priv;
GtkWidgetClass *widget_class;
priv = shell_embedded_window_get_instance_private (window);
/* Skip GtkWindow, but run the default GtkWidget handling which
* marks the widget visible */
widget_class = g_type_class_peek (GTK_TYPE_WIDGET);
widget_class->show (widget);
if (priv->actor)
{
/* Size is 0x0 if the GtkWindow is not shown */
clutter_actor_queue_relayout (CLUTTER_ACTOR (priv->actor));
if (clutter_actor_is_realized (CLUTTER_ACTOR (priv->actor)))
gtk_widget_map (widget);
}
}
static void
shell_embedded_window_hide (GtkWidget *widget)
{
ShellEmbeddedWindow *window = SHELL_EMBEDDED_WINDOW (widget);
ShellEmbeddedWindowPrivate *priv;
priv = shell_embedded_window_get_instance_private (window);
if (priv->actor)
clutter_actor_queue_relayout (CLUTTER_ACTOR (priv->actor));
GTK_WIDGET_CLASS (shell_embedded_window_parent_class)->hide (widget);
}
static gboolean
shell_embedded_window_configure_event (GtkWidget *widget,
GdkEventConfigure *event)
{
/* Normally a configure event coming back from X triggers the
* resizing logic inside GtkWindow; we just ignore them
* since we are handling the resizing logic separately.
*/
return FALSE;
}
static void
shell_embedded_window_check_resize (GtkContainer *container)
{
ShellEmbeddedWindow *window = SHELL_EMBEDDED_WINDOW (container);
ShellEmbeddedWindowPrivate *priv;
priv = shell_embedded_window_get_instance_private (window);
/* Check resize is called when a resize is queued on something
* inside the GtkWindow; we need to make sure that in response
* to this gtk_widget_size_request() and then
* gtk_widget_size_allocate() are called; we defer to the Clutter
* logic and assume it will do the right thing.
*/
if (priv->actor)
clutter_actor_queue_relayout (CLUTTER_ACTOR (priv->actor));
}
static GObject *
shell_embedded_window_constructor (GType gtype,
guint n_properties,
GObjectConstructParam *properties)
{
GObject *object;
GObjectClass *parent_class;
parent_class = G_OBJECT_CLASS (shell_embedded_window_parent_class);
object = parent_class->constructor (gtype, n_properties, properties);
/* Setting the resize mode to immediate means that calling queue_resize()
* on a widget within the window will immediately call check_resize()
* to be called, instead of having it queued to an idle. From our perspective,
* this is ideal since we just are going to queue a resize to Clutter's
* idle resize anyways.
*/
g_object_set (object,
"app-paintable", TRUE,
"resize-mode", GTK_RESIZE_IMMEDIATE,
"type", GTK_WINDOW_POPUP,
NULL);
return object;
}
static void
shell_embedded_window_class_init (ShellEmbeddedWindowClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
object_class->constructor = shell_embedded_window_constructor;
widget_class->show = shell_embedded_window_show;
widget_class->hide = shell_embedded_window_hide;
widget_class->configure_event = shell_embedded_window_configure_event;
container_class->check_resize = shell_embedded_window_check_resize;
}
static void
shell_embedded_window_init (ShellEmbeddedWindow *window)
{
}
/*
* Private routines called by ShellGtkEmbed
*/
void
_shell_embedded_window_set_actor (ShellEmbeddedWindow *window,
ShellGtkEmbed *actor)
{
ShellEmbeddedWindowPrivate *priv;
g_return_if_fail (SHELL_IS_EMBEDDED_WINDOW (window));
priv = shell_embedded_window_get_instance_private (window);
priv->actor = actor;
if (actor &&
clutter_actor_is_mapped (CLUTTER_ACTOR (actor)) &&
gtk_widget_get_visible (GTK_WIDGET (window)))
gtk_widget_map (GTK_WIDGET (window));
}
void
_shell_embedded_window_allocate (ShellEmbeddedWindow *window,
int x,
int y,
int width,
int height)
{
ShellEmbeddedWindowPrivate *priv;
GtkAllocation allocation;
g_return_if_fail (SHELL_IS_EMBEDDED_WINDOW (window));
priv = shell_embedded_window_get_instance_private (window);
if (priv->position.x == x &&
priv->position.y == y &&
priv->position.width == width &&
priv->position.height == height)
return;
priv->position.x = x;
priv->position.y = y;
priv->position.width = width;
priv->position.height = height;
if (gtk_widget_get_realized (GTK_WIDGET (window)))
gdk_window_move_resize (gtk_widget_get_window (GTK_WIDGET (window)),
x, y, width, height);
allocation.x = 0;
allocation.y = 0;
allocation.width = width;
allocation.height = height;
gtk_widget_size_allocate (GTK_WIDGET (window), &allocation);
}
void
_shell_embedded_window_map (ShellEmbeddedWindow *window)
{
g_return_if_fail (SHELL_IS_EMBEDDED_WINDOW (window));
if (gtk_widget_get_visible (GTK_WIDGET (window)))
gtk_widget_map (GTK_WIDGET (window));
}
void
_shell_embedded_window_unmap (ShellEmbeddedWindow *window)
{
g_return_if_fail (SHELL_IS_EMBEDDED_WINDOW (window));
gtk_widget_unmap (GTK_WIDGET (window));
}
/*
* Public API
*/
GtkWidget *
shell_embedded_window_new (void)
{
return g_object_new (SHELL_TYPE_EMBEDDED_WINDOW,
NULL);
}
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