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compositor: Make it a GObject

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This means we can later use GObject features like signals, subclassing
etc.

Bump glib_req version as per g_clear_handle_id usage.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/385
This commit is contained in:
Marco Trevisan (Treviño) 2019-01-11 10:18:27 -06:00 committed by Marco Trevisan
parent 782056adab
commit d526283ab9
4 changed files with 75 additions and 32 deletions
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2
meson.build
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@ -15,7 +15,7 @@ libmutter_api_version = '@0@'.format(api_version)
# generic version requirements
fribidi_req = '>= 1.0.0'
glib_req = '>= 2.53.2'
glib_req = '>= 2.56'
gi_req = '>= 0.9.5'
gtk3_req = '>= 3.19.8'
gdk_pixbuf_req = '>= 2.0'

2
src/compositor/compositor-private.h
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@ -13,6 +13,8 @@
struct _MetaCompositor
{
GObject parent;
MetaDisplay *display;
guint pre_paint_func_id;

99
src/compositor/compositor.c
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@ -86,6 +86,8 @@
#include "wayland/meta-wayland-private.h"
#endif
G_DEFINE_TYPE (MetaCompositor, meta_compositor, G_TYPE_OBJECT)
static void
on_presented (ClutterStage *stage,
CoglFrameEvent event,
@ -135,33 +137,8 @@ meta_switch_workspace_completed (MetaCompositor *compositor)
void
meta_compositor_destroy (MetaCompositor *compositor)
{
g_signal_handler_disconnect (compositor->stage,
compositor->stage_after_paint_id);
g_signal_handler_disconnect (compositor->stage,
compositor->stage_presented_id);
compositor->stage_after_paint_id = 0;
compositor->stage_presented_id = 0;
compositor->stage = NULL;
clutter_threads_remove_repaint_func (compositor->pre_paint_func_id);
clutter_threads_remove_repaint_func (compositor->post_paint_func_id);
if (compositor->top_window_actor)
{
g_signal_handler_disconnect (compositor->top_window_actor,
compositor->top_window_actor_destroy_id);
compositor->top_window_actor = NULL;
compositor->top_window_actor_destroy_id = 0;
}
g_clear_pointer (&compositor->window_group, clutter_actor_destroy);
g_clear_pointer (&compositor->top_window_group, clutter_actor_destroy);
g_clear_pointer (&compositor->feedback_group, clutter_actor_destroy);
g_clear_pointer (&compositor->windows, g_list_free);
if (compositor->have_x11_sync_object)
meta_sync_ring_destroy ();
g_object_run_dispose (G_OBJECT (compositor));
g_object_unref (compositor);
}
static void
@ -1309,12 +1286,20 @@ on_shadow_factory_changed (MetaShadowFactory *factory,
MetaCompositor *
meta_compositor_new (MetaDisplay *display)
{
MetaBackend *backend = meta_get_backend ();
ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
MetaCompositor *compositor;
compositor = g_new0 (MetaCompositor, 1);
compositor = g_object_new (META_TYPE_COMPOSITOR, NULL);
compositor->display = display;
return compositor;
}
static void
meta_compositor_init (MetaCompositor *compositor)
{
MetaBackend *backend = meta_get_backend ();
ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
compositor->context = clutter_backend->cogl_context;
g_signal_connect (meta_shadow_factory_get_default (),
@ -1332,7 +1317,59 @@ meta_compositor_new (MetaDisplay *display)
meta_post_paint_func,
compositor,
NULL);
return compositor;
}
static void
meta_compositor_dispose (GObject *object)
{
MetaCompositor *compositor = META_COMPOSITOR (object);
if (compositor->stage)
{
g_signal_handler_disconnect (compositor->stage,
compositor->stage_after_paint_id);
g_signal_handler_disconnect (compositor->stage,
compositor->stage_presented_id);
compositor->stage_after_paint_id = 0;
compositor->stage_presented_id = 0;
compositor->stage = NULL;
}
g_clear_handle_id (&compositor->pre_paint_func_id,
clutter_threads_remove_repaint_func);
g_clear_handle_id (&compositor->post_paint_func_id,
clutter_threads_remove_repaint_func);
if (compositor->top_window_actor)
{
g_signal_handlers_disconnect_by_func (compositor->top_window_actor,
on_top_window_actor_destroyed,
compositor);
compositor->top_window_actor = NULL;
compositor->top_window_actor_destroy_id = 0;
}
g_clear_pointer (&compositor->window_group, clutter_actor_destroy);
g_clear_pointer (&compositor->top_window_group, clutter_actor_destroy);
g_clear_pointer (&compositor->feedback_group, clutter_actor_destroy);
g_clear_pointer (&compositor->windows, g_list_free);
if (compositor->have_x11_sync_object)
{
meta_sync_ring_destroy ();
compositor->have_x11_sync_object = FALSE;
}
G_OBJECT_CLASS (meta_compositor_parent_class)->dispose (object);
}
static void
meta_compositor_class_init (MetaCompositorClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = meta_compositor_dispose;
}
/**

4
src/meta/compositor.h
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@ -28,6 +28,10 @@
#include <meta/window.h>
#include <meta/workspace.h>
#define META_TYPE_COMPOSITOR (meta_compositor_get_type ())
META_EXPORT
G_DECLARE_FINAL_TYPE (MetaCompositor, meta_compositor, META, COMPOSITOR, GObject)
/**
* MetaCompEffect:
* @META_COMP_EFFECT_CREATE: The window is newly created