79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
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/*
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* Copyright (C) 2015 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "config.h"
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#include <cairo/cairo.h>
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#include <guacamole/client.h>
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#include <guacamole/layer.h>
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#include <guacamole/protocol.h>
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#include <guacamole/socket.h>
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#include <guacamole/user.h>
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/* Dimensions */
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const int guac_common_blank_cursor_width = 1;
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const int guac_common_blank_cursor_height = 1;
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/* Format */
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const cairo_format_t guac_common_blank_cursor_format = CAIRO_FORMAT_ARGB32;
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const int guac_common_blank_cursor_stride = 4;
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/* Embedded blank cursor graphic */
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unsigned char guac_common_blank_cursor[] = {
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0x00,0x00,0x00,0x00
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};
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void guac_common_set_blank_cursor(guac_user* user) {
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guac_client* client = user->client;
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guac_socket* socket = user->socket;
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/* Draw to buffer */
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guac_layer* cursor = guac_client_alloc_buffer(client);
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cairo_surface_t* graphic = cairo_image_surface_create_for_data(
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guac_common_blank_cursor,
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guac_common_blank_cursor_format,
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guac_common_blank_cursor_width,
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guac_common_blank_cursor_height,
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guac_common_blank_cursor_stride);
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guac_user_stream_png(user, socket, GUAC_COMP_SRC, cursor,
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0, 0, graphic);
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cairo_surface_destroy(graphic);
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/* Set cursor */
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guac_protocol_send_cursor(socket, 0, 0, cursor, 0, 0,
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guac_common_blank_cursor_width,
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guac_common_blank_cursor_height);
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/* Free buffer */
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guac_client_free_buffer(client, cursor);
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guac_client_log(client, GUAC_LOG_DEBUG,
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"Client cursor image set to generic transparent (blank) cursor.");
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}
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