mirror of
https://github.com/brl/mutter.git
synced 2024-11-23 00:20:42 -05:00
2f4a68c8c3
The order and way include macros were structured was chaotic, with no real common thread between files. Try to tidy up the mess with some common scheme, to make things look less messy.
304 lines
8.3 KiB
C
304 lines
8.3 KiB
C
/*
|
|
* Copyright (C) 2014 Red Hat
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
|
* 02111-1307, USA.
|
|
*
|
|
* Written by:
|
|
* Jasper St. Pierre <jstpierre@mecheye.net>
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "backends/meta-stage-private.h"
|
|
|
|
#include "backends/meta-backend-private.h"
|
|
#include "clutter/clutter-mutter.h"
|
|
#include "meta/meta-backend.h"
|
|
#include "meta/meta-monitor-manager.h"
|
|
#include "meta/util.h"
|
|
|
|
struct _MetaOverlay {
|
|
gboolean enabled;
|
|
|
|
CoglPipeline *pipeline;
|
|
CoglTexture *texture;
|
|
|
|
ClutterRect current_rect;
|
|
ClutterRect previous_rect;
|
|
gboolean previous_is_valid;
|
|
};
|
|
|
|
struct _MetaStagePrivate {
|
|
GList *overlays;
|
|
gboolean is_active;
|
|
};
|
|
typedef struct _MetaStagePrivate MetaStagePrivate;
|
|
|
|
G_DEFINE_TYPE_WITH_PRIVATE (MetaStage, meta_stage, CLUTTER_TYPE_STAGE);
|
|
|
|
static MetaOverlay *
|
|
meta_overlay_new (void)
|
|
{
|
|
MetaOverlay *overlay;
|
|
CoglContext *ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
|
|
|
|
overlay = g_slice_new0 (MetaOverlay);
|
|
overlay->pipeline = cogl_pipeline_new (ctx);
|
|
|
|
return overlay;
|
|
}
|
|
|
|
static void
|
|
meta_overlay_free (MetaOverlay *overlay)
|
|
{
|
|
if (overlay->pipeline)
|
|
cogl_object_unref (overlay->pipeline);
|
|
|
|
g_slice_free (MetaOverlay, overlay);
|
|
}
|
|
|
|
static void
|
|
meta_overlay_set (MetaOverlay *overlay,
|
|
CoglTexture *texture,
|
|
ClutterRect *rect)
|
|
{
|
|
if (overlay->texture != texture)
|
|
{
|
|
overlay->texture = texture;
|
|
|
|
if (texture)
|
|
{
|
|
cogl_pipeline_set_layer_texture (overlay->pipeline, 0, texture);
|
|
overlay->enabled = TRUE;
|
|
}
|
|
else
|
|
{
|
|
cogl_pipeline_set_layer_texture (overlay->pipeline, 0, NULL);
|
|
overlay->enabled = FALSE;
|
|
}
|
|
}
|
|
|
|
overlay->current_rect = *rect;
|
|
}
|
|
|
|
static void
|
|
meta_overlay_paint (MetaOverlay *overlay)
|
|
{
|
|
if (!overlay->enabled)
|
|
return;
|
|
|
|
g_assert (meta_is_wayland_compositor ());
|
|
|
|
cogl_framebuffer_draw_rectangle (cogl_get_draw_framebuffer (),
|
|
overlay->pipeline,
|
|
overlay->current_rect.origin.x,
|
|
overlay->current_rect.origin.y,
|
|
(overlay->current_rect.origin.x +
|
|
overlay->current_rect.size.width),
|
|
(overlay->current_rect.origin.y +
|
|
overlay->current_rect.size.height));
|
|
|
|
overlay->previous_rect = overlay->current_rect;
|
|
overlay->previous_is_valid = TRUE;
|
|
}
|
|
|
|
static void
|
|
meta_stage_finalize (GObject *object)
|
|
{
|
|
MetaStage *stage = META_STAGE (object);
|
|
MetaStagePrivate *priv = meta_stage_get_instance_private (stage);
|
|
GList *l = priv->overlays;
|
|
|
|
while (l)
|
|
{
|
|
meta_overlay_free (l->data);
|
|
l = g_list_delete_link (l, l);
|
|
}
|
|
|
|
G_OBJECT_CLASS (meta_stage_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
meta_stage_paint (ClutterActor *actor)
|
|
{
|
|
MetaStage *stage = META_STAGE (actor);
|
|
MetaStagePrivate *priv = meta_stage_get_instance_private (stage);
|
|
GList *l;
|
|
|
|
CLUTTER_ACTOR_CLASS (meta_stage_parent_class)->paint (actor);
|
|
|
|
for (l = priv->overlays; l; l = l->next)
|
|
meta_overlay_paint (l->data);
|
|
}
|
|
|
|
static void
|
|
meta_stage_activate (ClutterStage *actor)
|
|
{
|
|
MetaStage *stage = META_STAGE (actor);
|
|
MetaStagePrivate *priv = meta_stage_get_instance_private (stage);
|
|
|
|
CLUTTER_STAGE_CLASS (meta_stage_parent_class)->activate (actor);
|
|
|
|
priv->is_active = TRUE;
|
|
}
|
|
|
|
static void
|
|
meta_stage_deactivate (ClutterStage *actor)
|
|
{
|
|
MetaStage *stage = META_STAGE (actor);
|
|
MetaStagePrivate *priv = meta_stage_get_instance_private (stage);
|
|
|
|
CLUTTER_STAGE_CLASS (meta_stage_parent_class)->deactivate (actor);
|
|
|
|
priv->is_active = FALSE;
|
|
}
|
|
|
|
static void
|
|
meta_stage_class_init (MetaStageClass *klass)
|
|
{
|
|
ClutterStageClass *stage_class = (ClutterStageClass *) klass;
|
|
ClutterActorClass *actor_class = (ClutterActorClass *) klass;
|
|
GObjectClass *object_class = (GObjectClass *) klass;
|
|
|
|
object_class->finalize = meta_stage_finalize;
|
|
|
|
actor_class->paint = meta_stage_paint;
|
|
|
|
stage_class->activate = meta_stage_activate;
|
|
stage_class->deactivate = meta_stage_deactivate;
|
|
}
|
|
|
|
static void
|
|
meta_stage_init (MetaStage *stage)
|
|
{
|
|
clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), FALSE);
|
|
}
|
|
|
|
ClutterActor *
|
|
meta_stage_new (void)
|
|
{
|
|
return g_object_new (META_TYPE_STAGE,
|
|
"cursor-visible", FALSE,
|
|
NULL);
|
|
}
|
|
|
|
static void
|
|
queue_redraw_for_overlay (MetaStage *stage,
|
|
MetaOverlay *overlay)
|
|
{
|
|
cairo_rectangle_int_t clip;
|
|
|
|
/* Clear the location the overlay was at before, if we need to. */
|
|
if (overlay->previous_is_valid)
|
|
{
|
|
clip.x = floorf (overlay->previous_rect.origin.x),
|
|
clip.y = floorf (overlay->previous_rect.origin.y),
|
|
clip.width = ceilf (overlay->previous_rect.size.width),
|
|
clip.height = ceilf (overlay->previous_rect.size.height),
|
|
clutter_actor_queue_redraw_with_clip (CLUTTER_ACTOR (stage), &clip);
|
|
overlay->previous_is_valid = FALSE;
|
|
}
|
|
|
|
/* Draw the overlay at the new position */
|
|
if (overlay->enabled)
|
|
{
|
|
clip.x = floorf (overlay->current_rect.origin.x),
|
|
clip.y = floorf (overlay->current_rect.origin.y),
|
|
clip.width = ceilf (overlay->current_rect.size.width),
|
|
clip.height = ceilf (overlay->current_rect.size.height),
|
|
clutter_actor_queue_redraw_with_clip (CLUTTER_ACTOR (stage), &clip);
|
|
}
|
|
}
|
|
|
|
MetaOverlay *
|
|
meta_stage_create_cursor_overlay (MetaStage *stage)
|
|
{
|
|
MetaStagePrivate *priv = meta_stage_get_instance_private (stage);
|
|
MetaOverlay *overlay;
|
|
|
|
overlay = meta_overlay_new ();
|
|
priv->overlays = g_list_prepend (priv->overlays, overlay);
|
|
|
|
return overlay;
|
|
}
|
|
|
|
void
|
|
meta_stage_remove_cursor_overlay (MetaStage *stage,
|
|
MetaOverlay *overlay)
|
|
{
|
|
MetaStagePrivate *priv = meta_stage_get_instance_private (stage);
|
|
GList *link;
|
|
|
|
link = g_list_find (priv->overlays, overlay);
|
|
if (!link)
|
|
return;
|
|
|
|
priv->overlays = g_list_delete_link (priv->overlays, link);
|
|
meta_overlay_free (overlay);
|
|
}
|
|
|
|
void
|
|
meta_stage_update_cursor_overlay (MetaStage *stage,
|
|
MetaOverlay *overlay,
|
|
CoglTexture *texture,
|
|
ClutterRect *rect)
|
|
{
|
|
g_assert (meta_is_wayland_compositor () || texture == NULL);
|
|
|
|
meta_overlay_set (overlay, texture, rect);
|
|
queue_redraw_for_overlay (stage, overlay);
|
|
}
|
|
|
|
void
|
|
meta_stage_set_active (MetaStage *stage,
|
|
gboolean is_active)
|
|
{
|
|
MetaStagePrivate *priv = meta_stage_get_instance_private (stage);
|
|
ClutterEvent event = { 0 };
|
|
|
|
/* Used by the native backend to inform accessibility technologies
|
|
* about when the stage loses and gains input focus.
|
|
*
|
|
* For the X11 backend, clutter transparently takes care of this
|
|
* for us.
|
|
*/
|
|
|
|
if (priv->is_active == is_active)
|
|
return;
|
|
|
|
event.type = CLUTTER_STAGE_STATE;
|
|
clutter_event_set_stage (&event, CLUTTER_STAGE (stage));
|
|
event.stage_state.changed_mask = CLUTTER_STAGE_STATE_ACTIVATED;
|
|
|
|
if (is_active)
|
|
event.stage_state.new_state = CLUTTER_STAGE_STATE_ACTIVATED;
|
|
|
|
/* Emitting this StageState event will result in the stage getting
|
|
* activated or deactivated (with the activated or deactivated signal
|
|
* getting emitted from the stage)
|
|
*
|
|
* FIXME: This won't update ClutterStage's own notion of its
|
|
* activeness. For that we would need to somehow trigger a
|
|
* _clutter_stage_update_state call, which will probably
|
|
* require new API in clutter. In practice, nothing relies
|
|
* on the ClutterStage's own notion of activeness when using
|
|
* the EGL backend.
|
|
*
|
|
* See http://bugzilla.gnome.org/746670
|
|
*/
|
|
clutter_stage_event (CLUTTER_STAGE (stage), &event);
|
|
}
|