mutter/src/backends/x11/meta-cursor-renderer-x11.c
Sandro Bonazzola ff4d87727b Update license access method
Dropped obsolete Free Software Foundation address pointing
to the FSF website instead as suggested by
https://www.gnu.org/licenses/gpl-howto.html
keeping intact the important part of the historical notice
as requested by the license.

Resolving rpmlint reported issue E: incorrect-fsf-address.

Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3155>
2023-08-30 08:48:23 +02:00

113 lines
3.5 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* 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, see <http://www.gnu.org/licenses/>.
*
* Written by:
* Jasper St. Pierre <jstpierre@mecheye.net>
*/
#include "config.h"
#include "backends/x11/meta-cursor-renderer-x11.h"
#include <X11/extensions/Xfixes.h>
#include "backends/meta-cursor-sprite-xcursor.h"
#include "backends/meta-stage-private.h"
#include "backends/x11/meta-backend-x11.h"
struct _MetaCursorRendererX11Private
{
gboolean server_cursor_visible;
};
typedef struct _MetaCursorRendererX11Private MetaCursorRendererX11Private;
G_DEFINE_TYPE_WITH_PRIVATE (MetaCursorRendererX11, meta_cursor_renderer_x11, META_TYPE_CURSOR_RENDERER);
static gboolean
meta_cursor_renderer_x11_update_cursor (MetaCursorRenderer *renderer,
MetaCursorSprite *cursor_sprite)
{
MetaCursorRendererX11 *x11 = META_CURSOR_RENDERER_X11 (renderer);
MetaCursorRendererX11Private *priv = meta_cursor_renderer_x11_get_instance_private (x11);
MetaBackend *backend = meta_cursor_renderer_get_backend (renderer);
MetaBackendX11 *backend_x11 = META_BACKEND_X11 (backend);
Window xwindow = meta_backend_x11_get_xwindow (backend_x11);
Display *xdisplay = meta_backend_x11_get_xdisplay (backend_x11);
if (xwindow == None)
{
if (cursor_sprite)
meta_cursor_sprite_realize_texture (cursor_sprite);
return TRUE;
}
gboolean has_server_cursor = FALSE;
if (cursor_sprite && META_IS_CURSOR_SPRITE_XCURSOR (cursor_sprite))
{
MetaCursorSpriteXcursor *sprite_xcursor =
META_CURSOR_SPRITE_XCURSOR (cursor_sprite);
MetaCursor cursor;
cursor = meta_cursor_sprite_xcursor_get_cursor (sprite_xcursor);
if (cursor != META_CURSOR_NONE)
{
Cursor xcursor;
xcursor = meta_create_x_cursor (xdisplay, cursor);
XDefineCursor (xdisplay, xwindow, xcursor);
XFlush (xdisplay);
XFreeCursor (xdisplay, xcursor);
has_server_cursor = TRUE;
}
}
if (has_server_cursor != priv->server_cursor_visible)
{
if (has_server_cursor)
XFixesShowCursor (xdisplay, xwindow);
else
XFixesHideCursor (xdisplay, xwindow);
priv->server_cursor_visible = has_server_cursor;
}
if (cursor_sprite)
meta_cursor_sprite_realize_texture (cursor_sprite);
return !priv->server_cursor_visible;
}
static void
meta_cursor_renderer_x11_class_init (MetaCursorRendererX11Class *klass)
{
MetaCursorRendererClass *renderer_class = META_CURSOR_RENDERER_CLASS (klass);
renderer_class->update_cursor = meta_cursor_renderer_x11_update_cursor;
}
static void
meta_cursor_renderer_x11_init (MetaCursorRendererX11 *x11)
{
MetaCursorRendererX11Private *priv = meta_cursor_renderer_x11_get_instance_private (x11);
/* XFixes has no way to retrieve the current cursor visibility. */
priv->server_cursor_visible = TRUE;
}