76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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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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