/* * Copyright (c) 2021 Jiri Svoboda * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup libgfx * @{ */ /** * @file Hardware cursor control */ #include <errno.h> #include <gfx/context.h> #include <gfx/coord.h> #include <gfx/cursor.h> #include <gfx/render.h> #include <stdbool.h> #include "../private/context.h" /** Get hardware cursor position. * * @param gc Graphic context * @param pos Place to store cursor position * * @return EOK on success, ENOTSUP if not supported, * EIO if grahic device connection was lost */ errno_t gfx_cursor_get_pos(gfx_context_t *gc, gfx_coord2_t *pos) { if (gc->ops->cursor_get_pos != NULL) return gc->ops->cursor_get_pos(gc->arg, pos); else return ENOTSUP; } /** Set hardware cursor position. * * @param gc Graphic context * @param pos New cursor position * * @return EOK on success, ENOTSUP if not supported, * EIO if grahic device connection was lost */ errno_t gfx_cursor_set_pos(gfx_context_t *gc, gfx_coord2_t *pos) { if (gc->ops->cursor_set_pos != NULL) return gc->ops->cursor_set_pos(gc->arg, pos); else return ENOTSUP; } /** Set hardware cursor visibility. * * @param gc Graphic context * @param visible @c true iff cursor should be made visible * * @return EOK on success, ENOTSUP if not supported, * EIO if grahic device connection was lost */ errno_t gfx_cursor_set_visible(gfx_context_t *gc, bool visible) { if (gc->ops->cursor_set_visible != NULL) return gc->ops->cursor_set_visible(gc->arg, visible); else return ENOTSUP; } /** @} */