2d010c9b84
The displayed cursor is the one displayed on the screen, e.g. via the hardware cursor plane, by Xorg, or using the stage overlay. When screen recording under X11, we don't get a stream of pointer and cursor updates, as they might be grabbed by some other client. Because of this, the cursor tracker or cursor renderer are not kept up to date with positional and cursor state. To be able to use the stage overlays when recording, we need to be able to update the overlay without updating the displayed cursor, as we shouldn't update the X server with cursor state we just retrieved from it. Thus, to achieve this, create a separate overlay cursor pointer. When being a display server, they are always the same, but when using X11, during screen recording, the overlay one will be polled at a fixed interval to get a somewhat up to date state. https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1391
90 lines
3.6 KiB
C
90 lines
3.6 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 2014 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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#ifndef META_CURSOR_RENDERER_H
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#define META_CURSOR_RENDERER_H
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#include <glib-object.h>
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#include "backends/meta-backend-types.h"
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#include "backends/meta-cursor.h"
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#define META_TYPE_HW_CURSOR_INHIBITOR (meta_hw_cursor_inhibitor_get_type ())
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G_DECLARE_INTERFACE (MetaHwCursorInhibitor, meta_hw_cursor_inhibitor,
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META, HW_CURSOR_INHIBITOR, GObject)
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struct _MetaHwCursorInhibitorInterface
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{
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GTypeInterface parent_iface;
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gboolean (* is_cursor_sprite_inhibited) (MetaHwCursorInhibitor *inhibitor,
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MetaCursorSprite *cursor_sprite);
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};
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#define META_TYPE_CURSOR_RENDERER (meta_cursor_renderer_get_type ())
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G_DECLARE_DERIVABLE_TYPE (MetaCursorRenderer, meta_cursor_renderer,
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META, CURSOR_RENDERER, GObject);
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struct _MetaCursorRendererClass
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{
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GObjectClass parent_class;
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gboolean (* update_cursor) (MetaCursorRenderer *renderer,
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MetaCursorSprite *cursor_sprite);
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};
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MetaCursorRenderer * meta_cursor_renderer_new (MetaBackend *backend);
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void meta_cursor_renderer_set_cursor (MetaCursorRenderer *renderer,
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MetaCursorSprite *cursor_sprite);
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void meta_cursor_renderer_set_position (MetaCursorRenderer *renderer,
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float x,
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float y);
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graphene_point_t meta_cursor_renderer_get_position (MetaCursorRenderer *renderer);
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void meta_cursor_renderer_force_update (MetaCursorRenderer *renderer);
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MetaCursorSprite * meta_cursor_renderer_get_cursor (MetaCursorRenderer *renderer);
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gboolean meta_cursor_renderer_is_overlay_visible (MetaCursorRenderer *renderer);
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void meta_cursor_renderer_add_hw_cursor_inhibitor (MetaCursorRenderer *renderer,
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MetaHwCursorInhibitor *inhibitor);
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void meta_cursor_renderer_remove_hw_cursor_inhibitor (MetaCursorRenderer *renderer,
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MetaHwCursorInhibitor *inhibitor);
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gboolean meta_cursor_renderer_is_hw_cursors_inhibited (MetaCursorRenderer *renderer,
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MetaCursorSprite *cursor_sprite);
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graphene_rect_t meta_cursor_renderer_calculate_rect (MetaCursorRenderer *renderer,
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MetaCursorSprite *cursor_sprite);
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void meta_cursor_renderer_emit_painted (MetaCursorRenderer *renderer,
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MetaCursorSprite *cursor_sprite);
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void meta_cursor_renderer_update_stage_overlay (MetaCursorRenderer *renderer,
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MetaCursorSprite *cursor_sprite);
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#endif /* META_CURSOR_RENDERER_H */
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