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annotate src/joystick/dummy/SDL_sysjoystick.c @ 2268:4baee598306d

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Date: Thu, 05 Jul 2007 14:02:33 -0700 From: Sam Lantinga Subject: SDL 1.3 keyboard plan After lots of discussion with Christian, this is what we came up with: > So, to sum up... > SDLK_* become the physical keys, starting at > (1<<21) > We create a macro SDLK_INDEX(X) > We have two functions SDL_GetLayoutKey(SDLKey) and SDL_GetKeyName() > SDL_GetLayoutKey maps to UCS4 for printable characters, and SDLK* for non-printable characters > and does so based on the OS's current keyboard layout > SDL_GetKeyName() handles both SDLK_* and UCS4, converting UCS4 to UTF-8 and converting SDLK_* into our names, which are UTF-8 for printable characters. > WASD folks use SDLK_*, and 'I' folks use SDL_GetLayoutKey(SDLK_*) Here is the patch he came up with, and his e-mail about it: Date: Fri, 17 Aug 2007 19:50:28 +0200 From: Christian Walther Subject: Re: SDL 1.3 keyboard plan > Sounds great, go ahead and send me a patch. Here goes! Thanks for having a look. Don't hesitate to comment if anything does not conform to your ideas. One caveat: Committing this now may break compilability of some video drivers - specifically, if they use any of the SDLK_* codes that were obsoleted and moved into SDL_compat.h. I only tried Cocoa (which did break, but is already fixed) and X11 (which didn't, but then its key handling is #iffed out). If that's a problem, it may need to go into a branch. -Christian
author Sam Lantinga <slouken@libsdl.org>
date Sun, 19 Aug 2007 14:52:52 +0000
parents c121d94672cb
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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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18
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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 #if defined(SDL_JOYSTICK_DUMMY) || defined(SDL_JOYSTICK_DISABLED)
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25
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26 /* This is the system specific header for the SDL joystick API */
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27
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28 #include "SDL_joystick.h"
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29 #include "../SDL_sysjoystick.h"
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30 #include "../SDL_joystick_c.h"
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31
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32 /* Function to scan the system for joysticks.
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33 * This function should set SDL_numjoysticks to the number of available
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34 * joysticks. Joystick 0 should be the system default joystick.
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35 * It should return 0, or -1 on an unrecoverable fatal error.
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36 */
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37 int
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38 SDL_SYS_JoystickInit(void)
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39 {
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40 SDL_numjoysticks = 0;
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41 return (0);
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42 }
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43
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44 /* Function to get the device-dependent name of a joystick */
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45 const char *
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46 SDL_SYS_JoystickName(int index)
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47 {
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48 SDL_SetError("Logic error: No joysticks available");
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49 return (NULL);
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50 }
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51
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52 /* Function to open a joystick for use.
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53 The joystick to open is specified by the index field of the joystick.
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54 This should fill the nbuttons and naxes fields of the joystick structure.
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55 It returns 0, or -1 if there is an error.
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56 */
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57 int
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58 SDL_SYS_JoystickOpen(SDL_Joystick * joystick)
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59 {
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60 SDL_SetError("Logic error: No joysticks available");
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61 return (-1);
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62 }
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63
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64 /* Function to update the state of a joystick - called as a device poll.
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65 * This function shouldn't update the joystick structure directly,
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66 * but instead should call SDL_PrivateJoystick*() to deliver events
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67 * and update joystick device state.
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68 */
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69 void
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70 SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
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71 {
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72 return;
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73 }
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74
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75 /* Function to close a joystick after use */
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76 void
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77 SDL_SYS_JoystickClose(SDL_Joystick * joystick)
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78 {
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79 return;
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80 }
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81
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82 /* Function to perform any system-specific joystick related cleanup */
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83 void
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84 SDL_SYS_JoystickQuit(void)
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85 {
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86 return;
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87 }
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88
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89 #endif /* SDL_JOYSTICK_DUMMY || SDL_JOYSTICK_DISABLED */
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90 /* vi: set ts=4 sw=4 expandtab: */