Add pointer cursor.
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c4518c7781
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@ -32,6 +32,7 @@ libguac_client_vnc_la_SOURCES = \
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convert.c \
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dot_cursor.c \
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guac_handlers.c \
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pointer_cursor.c \
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vnc_handlers.c
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noinst_HEADERS = \
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@ -39,6 +40,7 @@ noinst_HEADERS = \
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convert.h \
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dot_cursor.h \
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guac_handlers.h \
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pointer_cursor.h \
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vnc_handlers.h
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# Optional PulseAudio support
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92
src/protocols/vnc/pointer_cursor.c
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92
src/protocols/vnc/pointer_cursor.c
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@ -0,0 +1,92 @@
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/*
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* Copyright (C) 2013 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/protocol.h>
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#include <guacamole/socket.h>
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/* Macros for prettying up the embedded image. */
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#define X 0x00,0x00,0x00,0xFF
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#define O 0xFF,0xFF,0xFF,0xFF
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#define _ 0x00,0x00,0x00,0x00
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/* Dimensions */
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const int guac_vnc_pointer_cursor_width = 11;
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const int guac_vnc_pointer_cursor_height = 16;
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/* Format */
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const cairo_format_t guac_vnc_pointer_cursor_format = CAIRO_FORMAT_ARGB32;
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const int guac_vnc_pointer_cursor_stride = 44;
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/* Embedded pointer graphic */
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unsigned char guac_vnc_pointer_cursor[] = {
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O,_,_,_,_,_,_,_,_,_,_,
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O,O,_,_,_,_,_,_,_,_,_,
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O,X,O,_,_,_,_,_,_,_,_,
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O,X,X,O,_,_,_,_,_,_,_,
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O,X,X,X,O,_,_,_,_,_,_,
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O,X,X,X,X,O,_,_,_,_,_,
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O,X,X,X,X,X,O,_,_,_,_,
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O,X,X,X,X,X,X,O,_,_,_,
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O,X,X,X,X,X,X,X,O,_,_,
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O,X,X,X,X,X,X,X,X,O,_,
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O,X,X,X,X,X,O,O,O,O,O,
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O,X,X,O,X,X,O,_,_,_,_,
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O,X,O,_,O,X,X,O,_,_,_,
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O,O,_,_,O,X,X,O,_,_,_,
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O,_,_,_,_,O,X,X,O,_,_,
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_,_,_,_,_,O,O,O,O,_,_
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};
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void guac_vnc_set_pointer_cursor(guac_client* client) {
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guac_socket* socket = client->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_vnc_pointer_cursor,
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guac_vnc_pointer_cursor_format,
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guac_vnc_pointer_cursor_width,
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guac_vnc_pointer_cursor_height,
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guac_vnc_pointer_cursor_stride);
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guac_protocol_send_png(socket, GUAC_COMP_SRC, cursor, 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,
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0, 0,
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guac_vnc_pointer_cursor_width,
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guac_vnc_pointer_cursor_height);
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/* Free buffer */
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guac_client_free_buffer(client, cursor);
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}
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64
src/protocols/vnc/pointer_cursor.h
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64
src/protocols/vnc/pointer_cursor.h
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@ -0,0 +1,64 @@
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/*
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* Copyright (C) 2013 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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#ifndef _GUAC_VNC_POINTER_CURSOR_H
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#define _GUAC_VNC_POINTER_CURSOR_H
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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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/**
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* Width of the embedded mouse cursor graphic.
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*/
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extern const int guac_vnc_pointer_cursor_width;
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/**
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* Height of the embedded mouse cursor graphic.
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*/
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extern const int guac_vnc_pointer_cursor_height;
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/**
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* Number of bytes in each row of the embedded mouse cursor graphic.
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*/
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extern const int guac_vnc_pointer_cursor_stride;
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/**
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* The Cairo grapic format of the mouse cursor graphic.
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*/
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extern const cairo_format_t guac_vnc_pointer_cursor_format;
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/**
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* Embedded mouse cursor graphic.
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*/
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extern unsigned char guac_vnc_pointer_cursor[];
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/**
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* Set the cursor of the remote display to the embedded cursor graphic.
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*
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* @param client The guac_client to send the cursor to.
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*/
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void guac_vnc_set_pointer_cursor(guac_client* client);
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#endif
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