annotate src/video/fbcon/SDL_fbelo.h @ 4070:b8f2db95145e SDL-1.2

Patch from Christian Walther Yes, the idea to use a cursor rectangle instead of [NSCursor set] has occurred to me too, and it does seem to be the most elegant way. Here's my attempt at an implementation
author Sam Lantinga <slouken@libsdl.org>
date Sun, 15 Jul 2007 15:58:00 +0000
parents d910939febfa
children 782fd950bd46 c121d94672cb a1b03ba2fcd0
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #ifndef SDL_fbelo_h
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25 #define SDL_fbelo_h
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26
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27 #include "SDL_fbvideo.h"
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28
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29 /* ELO */
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30 #define ELO_PACKET_SIZE 10
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31 #define ELO_START_BYTE 'U'
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32
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33 /* eloConvertXY
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34 Convert the raw coordinates from the ELO controller
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35 to a screen position.
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36 */
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37 void eloConvertXY(_THIS, int *dx, int *dy);
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38
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39 /* eloInitController(int fd)
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40 Initialize the ELO serial touchscreen controller
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41 */
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42 int eloInitController(int fd);
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43
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44 /* eloParsePacket
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45 extract position and button state from a packet
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46 */
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47 int eloParsePacket(unsigned char* mousebuf, int* dx, int* dy, int* button_state);
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49 /* eloReadPosition
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50 read a packet and get the cursor position
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51 */
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53 int eloReadPosition(_THIS, int fd, int* x, int* y, int* button_state, int* realx, int* realy);
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54
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55 #endif /* SDL_fbelo_h */