482 lines
15 KiB
C
482 lines
15 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 2013 Red Hat
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Written by:
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* Jasper St. Pierre <jstpierre@mecheye.net>
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*/
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#include "config.h"
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#include "meta-surface-actor-wayland.h"
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#include <math.h>
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#include <cogl/cogl-wayland-server.h>
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#include "meta-shaped-texture-private.h"
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#include "wayland/meta-wayland-buffer.h"
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#include "wayland/meta-wayland-private.h"
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#include "wayland/meta-window-wayland.h"
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#include "compositor/region-utils.h"
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enum {
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PAINTING,
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LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL];
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struct _MetaSurfaceActorWaylandPrivate
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{
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MetaWaylandSurface *surface;
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struct wl_list frame_callback_list;
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};
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typedef struct _MetaSurfaceActorWaylandPrivate MetaSurfaceActorWaylandPrivate;
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G_DEFINE_TYPE_WITH_PRIVATE (MetaSurfaceActorWayland, meta_surface_actor_wayland, META_TYPE_SURFACE_ACTOR)
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static void
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meta_surface_actor_wayland_process_damage (MetaSurfaceActor *actor,
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int x, int y, int width, int height)
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{
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}
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static void
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meta_surface_actor_wayland_pre_paint (MetaSurfaceActor *actor)
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{
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}
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static gboolean
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meta_surface_actor_wayland_is_visible (MetaSurfaceActor *actor)
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{
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/* TODO: ensure that the buffer isn't NULL, implement
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* wayland mapping semantics */
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return TRUE;
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}
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static gboolean
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meta_surface_actor_wayland_should_unredirect (MetaSurfaceActor *actor)
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{
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return FALSE;
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}
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static void
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meta_surface_actor_wayland_set_unredirected (MetaSurfaceActor *actor,
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gboolean unredirected)
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{
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/* Do nothing. In the future, we'll use KMS to set this
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* up as a hardware overlay or something. */
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}
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static gboolean
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meta_surface_actor_wayland_is_unredirected (MetaSurfaceActor *actor)
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{
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return FALSE;
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}
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double
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meta_surface_actor_wayland_get_scale (MetaSurfaceActorWayland *self)
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{
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MetaWaylandSurface *surface = meta_surface_actor_wayland_get_surface (self);
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MetaWindow *window;
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int output_scale = 1;
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g_assert (surface);
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window = meta_wayland_surface_get_toplevel_window (surface);
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/* XXX: We do not handle x11 clients yet */
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if (window && window->client_type != META_WINDOW_CLIENT_TYPE_X11)
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output_scale = meta_window_wayland_get_main_monitor_scale (window);
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return (double) output_scale / (double) surface->scale;
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}
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static void
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logical_to_actor_position (MetaSurfaceActorWayland *self,
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int *x,
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int *y)
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{
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MetaWaylandSurface *surface = meta_surface_actor_wayland_get_surface (self);
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MetaWindow *toplevel_window;
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int monitor_scale = 1;
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g_assert (surface);
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toplevel_window = meta_wayland_surface_get_toplevel_window (surface);
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if (toplevel_window)
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monitor_scale = meta_window_wayland_get_main_monitor_scale (toplevel_window);
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*x = *x * monitor_scale;
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*y = *y * monitor_scale;
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}
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/* Convert the current actor state to the corresponding subsurface rectangle
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* in logical pixel coordinate space. */
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void
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meta_surface_actor_wayland_get_subsurface_rect (MetaSurfaceActorWayland *self,
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MetaRectangle *rect)
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{
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MetaWaylandSurface *surface = meta_surface_actor_wayland_get_surface (self);
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MetaWaylandBuffer *buffer = meta_wayland_surface_get_buffer (surface);
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CoglTexture *texture;
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MetaWindow *toplevel_window;
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int monitor_scale;
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float x, y;
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g_assert (surface);
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texture = buffer->texture;
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toplevel_window = meta_wayland_surface_get_toplevel_window (surface);
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monitor_scale = meta_window_wayland_get_main_monitor_scale (toplevel_window);
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clutter_actor_get_position (CLUTTER_ACTOR (self), &x, &y);
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*rect = (MetaRectangle) {
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.x = x / monitor_scale,
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.y = y / monitor_scale,
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.width = cogl_texture_get_width (texture) / surface->scale,
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.height = cogl_texture_get_height (texture) / surface->scale,
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};
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}
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void
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meta_surface_actor_wayland_sync_subsurface_state (MetaSurfaceActorWayland *self)
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{
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MetaWaylandSurface *surface = meta_surface_actor_wayland_get_surface (self);
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MetaWindow *window;
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int x = surface->offset_x + surface->sub.x;
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int y = surface->offset_y + surface->sub.y;
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g_assert (surface);
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window = meta_wayland_surface_get_toplevel_window (surface);
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if (window && window->client_type == META_WINDOW_CLIENT_TYPE_X11)
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{
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/* Bail directly if this is part of a Xwayland window and warn
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* if there happen to be offsets anyway since that is not supposed
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* to happen. */
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g_warn_if_fail (x == 0 && y == 0);
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return;
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}
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logical_to_actor_position (self, &x, &y);
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clutter_actor_set_position (CLUTTER_ACTOR (self), x, y);
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}
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void
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meta_surface_actor_wayland_sync_state (MetaSurfaceActorWayland *self)
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{
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MetaWaylandSurface *surface = meta_surface_actor_wayland_get_surface (self);
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MetaShapedTexture *stex =
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meta_surface_actor_get_texture (META_SURFACE_ACTOR (self));
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double texture_scale;
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g_assert (surface);
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/* Given the surface's window type and what output the surface actor has the
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* largest region, scale the actor with the determined scale. */
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texture_scale = meta_surface_actor_wayland_get_scale (self);
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/* Actor scale. */
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clutter_actor_set_scale (CLUTTER_ACTOR (stex), texture_scale, texture_scale);
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/* Input region */
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if (surface->input_region)
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{
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cairo_region_t *scaled_input_region;
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int region_scale;
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/* The input region from the Wayland surface is in the Wayland surface
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* coordinate space, while the surface actor input region is in the
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* physical pixel coordinate space. */
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region_scale = (int)(surface->scale * texture_scale);
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scaled_input_region = meta_region_scale (surface->input_region,
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region_scale);
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meta_surface_actor_set_input_region (META_SURFACE_ACTOR (self),
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scaled_input_region);
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cairo_region_destroy (scaled_input_region);
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}
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else
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{
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meta_surface_actor_set_input_region (META_SURFACE_ACTOR (self), NULL);
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}
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/* Opaque region */
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if (surface->opaque_region)
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{
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cairo_region_t *scaled_opaque_region;
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/* The opaque region from the Wayland surface is in Wayland surface
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* coordinate space, while the surface actor opaque region is in the
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* same coordinate space as the unscaled buffer texture. */
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scaled_opaque_region = meta_region_scale (surface->opaque_region,
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surface->scale);
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meta_surface_actor_set_opaque_region (META_SURFACE_ACTOR (self),
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scaled_opaque_region);
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cairo_region_destroy (scaled_opaque_region);
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}
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else
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{
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meta_surface_actor_set_opaque_region (META_SURFACE_ACTOR (self), NULL);
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}
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meta_surface_actor_wayland_sync_subsurface_state (self);
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}
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void
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meta_surface_actor_wayland_sync_state_recursive (MetaSurfaceActorWayland *self)
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{
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MetaWaylandSurface *surface = meta_surface_actor_wayland_get_surface (self);
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MetaWindow *window;
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GList *iter;
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g_assert (surface);
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window = meta_wayland_surface_get_toplevel_window (surface);
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meta_surface_actor_wayland_sync_state (self);
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if (window && window->client_type != META_WINDOW_CLIENT_TYPE_X11)
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{
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for (iter = surface->subsurfaces; iter != NULL; iter = iter->next)
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{
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MetaWaylandSurface *subsurf = iter->data;
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meta_surface_actor_wayland_sync_state_recursive (
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META_SURFACE_ACTOR_WAYLAND (subsurf->surface_actor));
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}
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}
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}
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gboolean
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meta_surface_actor_wayland_is_on_monitor (MetaSurfaceActorWayland *self,
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MetaMonitorInfo *monitor)
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{
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float x, y, width, height;
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cairo_rectangle_int_t actor_rect;
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cairo_region_t *region;
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gboolean is_on_monitor;
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clutter_actor_get_transformed_position (CLUTTER_ACTOR (self), &x, &y);
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clutter_actor_get_transformed_size (CLUTTER_ACTOR (self), &width, &height);
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actor_rect.x = (int)roundf (x);
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actor_rect.y = (int)roundf (y);
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actor_rect.width = (int)roundf (x + width) - actor_rect.x;
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actor_rect.height = (int)roundf (y + height) - actor_rect.y;
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/* Calculate the scaled surface actor region. */
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region = cairo_region_create_rectangle (&actor_rect);
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cairo_region_intersect_rectangle (region,
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&((cairo_rectangle_int_t) {
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.x = monitor->rect.x,
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.y = monitor->rect.y,
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.width = monitor->rect.width,
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.height = monitor->rect.height,
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}));
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is_on_monitor = !cairo_region_is_empty (region);
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cairo_region_destroy (region);
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return is_on_monitor;
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}
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void
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meta_surface_actor_wayland_add_frame_callbacks (MetaSurfaceActorWayland *self,
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struct wl_list *frame_callbacks)
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{
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MetaSurfaceActorWaylandPrivate *priv = meta_surface_actor_wayland_get_instance_private (self);
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wl_list_insert_list (&priv->frame_callback_list, frame_callbacks);
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}
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static MetaWindow *
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meta_surface_actor_wayland_get_window (MetaSurfaceActor *actor)
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{
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MetaSurfaceActorWayland *self = META_SURFACE_ACTOR_WAYLAND (actor);
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MetaWaylandSurface *surface = meta_surface_actor_wayland_get_surface (self);
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if (!surface)
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return NULL;
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return surface->window;
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}
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static void
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meta_surface_actor_wayland_get_preferred_width (ClutterActor *actor,
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gfloat for_height,
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gfloat *min_width_p,
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gfloat *natural_width_p)
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{
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MetaSurfaceActorWayland *self = META_SURFACE_ACTOR_WAYLAND (actor);
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MetaWaylandSurface *surface = meta_surface_actor_wayland_get_surface (self);
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MetaShapedTexture *stex;
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double scale;
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if (surface)
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scale = meta_surface_actor_wayland_get_scale (self);
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else
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scale = 1.0;
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stex = meta_surface_actor_get_texture (META_SURFACE_ACTOR (self));
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clutter_actor_get_preferred_width (CLUTTER_ACTOR (stex),
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for_height,
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min_width_p,
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natural_width_p);
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if (min_width_p)
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*min_width_p *= scale;
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if (natural_width_p)
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*natural_width_p *= scale;
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}
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static void
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meta_surface_actor_wayland_get_preferred_height (ClutterActor *actor,
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gfloat for_width,
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gfloat *min_height_p,
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gfloat *natural_height_p)
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{
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MetaSurfaceActorWayland *self = META_SURFACE_ACTOR_WAYLAND (actor);
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MetaWaylandSurface *surface = meta_surface_actor_wayland_get_surface (self);
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MetaShapedTexture *stex;
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double scale;
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if (surface)
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scale = meta_surface_actor_wayland_get_scale (self);
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else
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scale = 1.0;
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stex = meta_surface_actor_get_texture (META_SURFACE_ACTOR (self));
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clutter_actor_get_preferred_height (CLUTTER_ACTOR (stex),
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for_width,
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min_height_p,
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natural_height_p);
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if (min_height_p)
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*min_height_p *= scale;
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if (natural_height_p)
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*natural_height_p *= scale;
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}
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static void
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meta_surface_actor_wayland_paint (ClutterActor *actor)
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{
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MetaSurfaceActorWayland *self = META_SURFACE_ACTOR_WAYLAND (actor);
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MetaSurfaceActorWaylandPrivate *priv =
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meta_surface_actor_wayland_get_instance_private (self);
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if (priv->surface)
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{
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MetaWaylandCompositor *compositor = priv->surface->compositor;
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wl_list_insert_list (&compositor->frame_callbacks, &priv->frame_callback_list);
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wl_list_init (&priv->frame_callback_list);
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}
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g_signal_emit (actor, signals[PAINTING], 0);
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CLUTTER_ACTOR_CLASS (meta_surface_actor_wayland_parent_class)->paint (actor);
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}
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static void
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meta_surface_actor_wayland_dispose (GObject *object)
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{
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MetaSurfaceActorWayland *self = META_SURFACE_ACTOR_WAYLAND (object);
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MetaSurfaceActorWaylandPrivate *priv =
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meta_surface_actor_wayland_get_instance_private (self);
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MetaWaylandFrameCallback *cb, *next;
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MetaShapedTexture *stex =
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meta_surface_actor_get_texture (META_SURFACE_ACTOR (self));
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meta_shaped_texture_set_texture (stex, NULL);
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if (priv->surface)
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{
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g_object_remove_weak_pointer (G_OBJECT (priv->surface),
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(gpointer *) &priv->surface);
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priv->surface = NULL;
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}
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wl_list_for_each_safe (cb, next, &priv->frame_callback_list, link)
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wl_resource_destroy (cb->resource);
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G_OBJECT_CLASS (meta_surface_actor_wayland_parent_class)->dispose (object);
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}
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static void
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meta_surface_actor_wayland_class_init (MetaSurfaceActorWaylandClass *klass)
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{
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MetaSurfaceActorClass *surface_actor_class = META_SURFACE_ACTOR_CLASS (klass);
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ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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actor_class->get_preferred_width = meta_surface_actor_wayland_get_preferred_width;
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actor_class->get_preferred_height = meta_surface_actor_wayland_get_preferred_height;
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actor_class->paint = meta_surface_actor_wayland_paint;
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surface_actor_class->process_damage = meta_surface_actor_wayland_process_damage;
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surface_actor_class->pre_paint = meta_surface_actor_wayland_pre_paint;
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surface_actor_class->is_visible = meta_surface_actor_wayland_is_visible;
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surface_actor_class->should_unredirect = meta_surface_actor_wayland_should_unredirect;
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surface_actor_class->set_unredirected = meta_surface_actor_wayland_set_unredirected;
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surface_actor_class->is_unredirected = meta_surface_actor_wayland_is_unredirected;
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surface_actor_class->get_window = meta_surface_actor_wayland_get_window;
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object_class->dispose = meta_surface_actor_wayland_dispose;
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signals[PAINTING] = g_signal_new ("painting",
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G_TYPE_FROM_CLASS (object_class),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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}
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static void
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meta_surface_actor_wayland_init (MetaSurfaceActorWayland *self)
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{
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}
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MetaSurfaceActor *
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meta_surface_actor_wayland_new (MetaWaylandSurface *surface)
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{
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MetaSurfaceActorWayland *self = g_object_new (META_TYPE_SURFACE_ACTOR_WAYLAND, NULL);
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MetaSurfaceActorWaylandPrivate *priv = meta_surface_actor_wayland_get_instance_private (self);
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g_assert (meta_is_wayland_compositor ());
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wl_list_init (&priv->frame_callback_list);
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priv->surface = surface;
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g_object_add_weak_pointer (G_OBJECT (priv->surface),
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(gpointer *) &priv->surface);
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return META_SURFACE_ACTOR (self);
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}
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MetaWaylandSurface *
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meta_surface_actor_wayland_get_surface (MetaSurfaceActorWayland *self)
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{
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MetaSurfaceActorWaylandPrivate *priv = meta_surface_actor_wayland_get_instance_private (self);
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return priv->surface;
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}
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