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100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
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/* -*- 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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#include "config.h"
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#include "meta-cursor-renderer-x11.h"
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#include "meta-backend-x11.h"
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#include "meta-stage.h"
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struct _MetaCursorRendererX11Private
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{
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gboolean server_cursor_visible;
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};
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typedef struct _MetaCursorRendererX11Private MetaCursorRendererX11Private;
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G_DEFINE_TYPE_WITH_PRIVATE (MetaCursorRendererX11, meta_cursor_renderer_x11, META_TYPE_CURSOR_RENDERER);
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static gboolean
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meta_cursor_renderer_x11_update_cursor (MetaCursorRenderer *renderer)
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{
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MetaCursorRendererX11 *x11 = META_CURSOR_RENDERER_X11 (renderer);
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MetaCursorRendererX11Private *priv = meta_cursor_renderer_x11_get_instance_private (x11);
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MetaBackendX11 *backend = META_BACKEND_X11 (meta_get_backend ());
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Window xwindow = meta_backend_x11_get_xwindow (backend);
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if (xwindow == None)
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return FALSE;
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Display *xdisplay = meta_backend_x11_get_xdisplay (backend);
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MetaCursorReference *cursor_ref = meta_cursor_renderer_get_cursor (renderer);
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gboolean has_server_cursor = FALSE;
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if (cursor_ref)
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{
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MetaCursor cursor = meta_cursor_reference_get_meta_cursor (cursor_ref);
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if (cursor != META_CURSOR_NONE)
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{
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Cursor xcursor = meta_cursor_create_x_cursor (xdisplay, cursor);
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XDefineCursor (xdisplay, xwindow, xcursor);
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XFlush (xdisplay);
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XFreeCursor (xdisplay, xcursor);
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has_server_cursor = TRUE;
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}
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}
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if (has_server_cursor != priv->server_cursor_visible)
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{
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if (has_server_cursor)
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XFixesShowCursor (xdisplay, xwindow);
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else
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XFixesHideCursor (xdisplay, xwindow);
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priv->server_cursor_visible = has_server_cursor;
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}
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return priv->server_cursor_visible;
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}
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static void
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meta_cursor_renderer_x11_class_init (MetaCursorRendererX11Class *klass)
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{
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MetaCursorRendererClass *renderer_class = META_CURSOR_RENDERER_CLASS (klass);
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renderer_class->update_cursor = meta_cursor_renderer_x11_update_cursor;
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}
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static void
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meta_cursor_renderer_x11_init (MetaCursorRendererX11 *x11)
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{
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MetaCursorRendererX11Private *priv = meta_cursor_renderer_x11_get_instance_private (x11);
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/* XFixes has no way to retrieve the current cursor visibility. */
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priv->server_cursor_visible = TRUE;
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}
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