282 lines
8.5 KiB
C
282 lines
8.5 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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#include "config.h"
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#include "shell-embedded-window-private.h"
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#include <gdk/gdkx.h>
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enum {
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PROP_0,
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PROP_WINDOW
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};
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struct _ShellGtkEmbedPrivate
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{
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ShellEmbeddedWindow *window;
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};
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G_DEFINE_TYPE (ShellGtkEmbed, shell_gtk_embed, CLUTTER_X11_TYPE_TEXTURE_PIXMAP);
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static void shell_gtk_embed_set_window (ShellGtkEmbed *embed,
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ShellEmbeddedWindow *window);
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static void
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shell_gtk_embed_on_window_destroy (GtkWidget *object,
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ShellGtkEmbed *embed)
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{
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shell_gtk_embed_set_window (embed, NULL);
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}
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static void
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shell_gtk_embed_on_window_realize (GtkWidget *widget,
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ShellGtkEmbed *embed)
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{
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/* Here automatic=FALSE means to use CompositeRedirectManual.
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* That is, the X server shouldn't draw the window onto the
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* screen.
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*/
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clutter_x11_texture_pixmap_set_window (CLUTTER_X11_TEXTURE_PIXMAP (embed),
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gdk_x11_window_get_xid (gtk_widget_get_window (widget)),
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FALSE);
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}
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static void
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shell_gtk_embed_set_window (ShellGtkEmbed *embed,
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ShellEmbeddedWindow *window)
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{
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if (embed->priv->window)
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{
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_shell_embedded_window_set_actor (embed->priv->window, NULL);
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g_object_unref (embed->priv->window);
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clutter_x11_texture_pixmap_set_window (CLUTTER_X11_TEXTURE_PIXMAP (embed),
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None,
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FALSE);
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g_signal_handlers_disconnect_by_func (embed->priv->window,
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(gpointer)shell_gtk_embed_on_window_destroy,
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embed);
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g_signal_handlers_disconnect_by_func (embed->priv->window,
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(gpointer)shell_gtk_embed_on_window_realize,
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embed);
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}
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embed->priv->window = window;
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if (embed->priv->window)
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{
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g_object_ref (embed->priv->window);
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_shell_embedded_window_set_actor (embed->priv->window, embed);
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g_signal_connect (embed->priv->window, "destroy",
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G_CALLBACK (shell_gtk_embed_on_window_destroy), embed);
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g_signal_connect (embed->priv->window, "realize",
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G_CALLBACK (shell_gtk_embed_on_window_realize), embed);
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if (gtk_widget_get_realized (GTK_WIDGET (window)))
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shell_gtk_embed_on_window_realize (GTK_WIDGET (embed->priv->window), embed);
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}
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clutter_actor_queue_relayout (CLUTTER_ACTOR (embed));
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}
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static void
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shell_gtk_embed_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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ShellGtkEmbed *embed = SHELL_GTK_EMBED (object);
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switch (prop_id)
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{
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case PROP_WINDOW:
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shell_gtk_embed_set_window (embed, (ShellEmbeddedWindow *)g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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shell_gtk_embed_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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ShellGtkEmbed *embed = SHELL_GTK_EMBED (object);
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switch (prop_id)
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{
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case PROP_WINDOW:
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g_value_set_object (value, embed->priv->window);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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shell_gtk_embed_get_preferred_width (ClutterActor *actor,
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float for_height,
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float *min_width_p,
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float *natural_width_p)
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{
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ShellGtkEmbed *embed = SHELL_GTK_EMBED (actor);
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if (embed->priv->window
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&& gtk_widget_get_visible (GTK_WIDGET (embed->priv->window)))
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{
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GtkRequisition min_req, natural_req;
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gtk_widget_get_preferred_size (GTK_WIDGET (embed->priv->window), &min_req, &natural_req);
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*min_width_p = min_req.width;
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*natural_width_p = natural_req.width;
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}
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else
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*min_width_p = *natural_width_p = 0;
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}
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static void
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shell_gtk_embed_get_preferred_height (ClutterActor *actor,
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float for_width,
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float *min_height_p,
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float *natural_height_p)
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{
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ShellGtkEmbed *embed = SHELL_GTK_EMBED (actor);
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if (embed->priv->window
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&& gtk_widget_get_visible (GTK_WIDGET (embed->priv->window)))
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{
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GtkRequisition min_req, natural_req;
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gtk_widget_get_preferred_size (GTK_WIDGET (embed->priv->window), &min_req, &natural_req);
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*min_height_p = min_req.height;
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*natural_height_p = natural_req.height;
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}
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else
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*min_height_p = *natural_height_p = 0;
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}
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static void
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shell_gtk_embed_allocate (ClutterActor *actor,
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const ClutterActorBox *box,
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ClutterAllocationFlags flags)
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{
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ShellGtkEmbed *embed = SHELL_GTK_EMBED (actor);
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float wx = 0.0, wy = 0.0, x, y, ax, ay;
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CLUTTER_ACTOR_CLASS (shell_gtk_embed_parent_class)->
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allocate (actor, box, flags);
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/* Find the actor's new coordinates in terms of the stage (which is
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* priv->window's parent window.
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*/
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while (actor)
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{
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clutter_actor_get_position (actor, &x, &y);
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clutter_actor_get_anchor_point (actor, &ax, &ay);
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wx += x - ax;
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wy += y - ay;
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actor = clutter_actor_get_parent (actor);
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}
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_shell_embedded_window_allocate (embed->priv->window,
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(int)(0.5 + wx), (int)(0.5 + wy),
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box->x2 - box->x1,
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box->y2 - box->y1);
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}
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static void
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shell_gtk_embed_realize (ClutterActor *actor)
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{
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ShellGtkEmbed *embed = SHELL_GTK_EMBED (actor);
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_shell_embedded_window_realize (embed->priv->window);
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CLUTTER_ACTOR_CLASS (shell_gtk_embed_parent_class)->realize (actor);
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}
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static void
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shell_gtk_embed_unrealize (ClutterActor *actor)
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{
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ShellGtkEmbed *embed = SHELL_GTK_EMBED (actor);
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_shell_embedded_window_unrealize (embed->priv->window);
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CLUTTER_ACTOR_CLASS (shell_gtk_embed_parent_class)->unrealize (actor);
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}
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static void
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shell_gtk_embed_dispose (GObject *object)
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{
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ShellGtkEmbed *embed = SHELL_GTK_EMBED (object);
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shell_gtk_embed_set_window (embed, NULL);
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G_OBJECT_CLASS (shell_gtk_embed_parent_class)->dispose (object);
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}
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static void
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shell_gtk_embed_class_init (ShellGtkEmbedClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
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g_type_class_add_private (klass, sizeof (ShellGtkEmbedPrivate));
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object_class->get_property = shell_gtk_embed_get_property;
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object_class->set_property = shell_gtk_embed_set_property;
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object_class->dispose = shell_gtk_embed_dispose;
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actor_class->get_preferred_width = shell_gtk_embed_get_preferred_width;
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actor_class->get_preferred_height = shell_gtk_embed_get_preferred_height;
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actor_class->allocate = shell_gtk_embed_allocate;
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actor_class->realize = shell_gtk_embed_realize;
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actor_class->unrealize = shell_gtk_embed_unrealize;
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g_object_class_install_property (object_class,
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PROP_WINDOW,
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g_param_spec_object ("window",
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"Window",
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"ShellEmbeddedWindow to embed",
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SHELL_TYPE_EMBEDDED_WINDOW,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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shell_gtk_embed_init (ShellGtkEmbed *embed)
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{
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embed->priv = G_TYPE_INSTANCE_GET_PRIVATE (embed, SHELL_TYPE_GTK_EMBED,
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ShellGtkEmbedPrivate);
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/* automatic here means whether ClutterX11TexturePixmap should
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* process damage update and refresh the pixmap itself.
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*/
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clutter_x11_texture_pixmap_set_automatic (CLUTTER_X11_TEXTURE_PIXMAP (embed), TRUE);
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}
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/*
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* Public API
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*/
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ClutterActor *
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shell_gtk_embed_new (ShellEmbeddedWindow *window)
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{
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g_return_val_if_fail (SHELL_IS_EMBEDDED_WINDOW (window), NULL);
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return g_object_new (SHELL_TYPE_GTK_EMBED,
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"window", window,
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NULL);
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}
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