Mercurial > sdl-ios-xcode

annotate src/video/ataricommon/SDL_atarievents.c @ 1050:8e1815fd9777

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Holding down shift while moving the mouse's scrollwheel on MacOS X makes the OS report these are "horizontal scrollwheel" events, which confuses gaming apps in several legitimate conditions. Now all scrollwheel events are made to look vertical when passed to the app. Patch by John Knottenbelt. http://www.libsdl.org/pipermail/sdl/2005-March/067978.html
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 17 Apr 2005 10:32:41 +0000
parents b8d311d90021
children e89d7f826b4a
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /*
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29 * Atari keyboard events manager
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30 *
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31 * Patrice Mandin
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32 *
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33 * This routines choose what the final event manager will be
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34 */
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35
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36 #include <stdlib.h>
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37 #include <string.h>
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38
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39 #include <mint/cookie.h>
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40
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41 #include "SDL.h"
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42 #include "SDL_sysevents.h"
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43 #include "SDL_events_c.h"
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44
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45 #include "SDL_atarievents_c.h"
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46 #include "SDL_biosevents_c.h"
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47 #include "SDL_gemdosevents_c.h"
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48 #include "SDL_ikbdevents_c.h"
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49
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50 enum {
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51 MCH_ST=0,
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52 MCH_STE,
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53 MCH_TT,
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54 MCH_F30
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55 };
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56
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57 void (*Atari_ShutdownEvents)(void);
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58
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59 static void Atari_InitializeEvents(_THIS)
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60 {
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61 const char *envr;
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62 unsigned long cookie_mch;
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63
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64 /* Test if we are on an Atari machine or not */
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65 if (Getcookie(C__MCH, &cookie_mch) == C_NOTFOUND) {
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66 cookie_mch = 0;
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67 }
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68 cookie_mch >>= 16;
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69
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70 /* Default is Ikbd, the faster except for clones */
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71 switch(cookie_mch) {
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72 case MCH_ST:
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73 case MCH_STE:
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74 case MCH_TT:
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75 case MCH_F30:
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76 this->InitOSKeymap=AtariIkbd_InitOSKeymap;
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77 this->PumpEvents=AtariIkbd_PumpEvents;
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78 Atari_ShutdownEvents=AtariIkbd_ShutdownEvents;
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79 break;
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80 default:
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81 this->InitOSKeymap=AtariGemdos_InitOSKeymap;
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82 this->PumpEvents=AtariGemdos_PumpEvents;
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83 Atari_ShutdownEvents=AtariGemdos_ShutdownEvents;
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84 break;
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85 }
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86
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87 envr = getenv("SDL_ATARI_EVENTSDRIVER");
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88
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89 if (!envr) {
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90 return;
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91 }
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92
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93 if (strcmp(envr, "ikbd") == 0) {
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94 this->InitOSKeymap=AtariIkbd_InitOSKeymap;
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95 this->PumpEvents=AtariIkbd_PumpEvents;
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96 Atari_ShutdownEvents=AtariIkbd_ShutdownEvents;
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97 }
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98
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99 if (strcmp(envr, "gemdos") == 0) {
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100 this->InitOSKeymap=AtariGemdos_InitOSKeymap;
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101 this->PumpEvents=AtariGemdos_PumpEvents;
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102 Atari_ShutdownEvents=AtariGemdos_ShutdownEvents;
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103 }
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104
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105 if (strcmp(envr, "bios") == 0) {
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106 this->InitOSKeymap=AtariBios_InitOSKeymap;
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107 this->PumpEvents=AtariBios_PumpEvents;
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108 Atari_ShutdownEvents=AtariBios_ShutdownEvents;
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109 }
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110 }
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111
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112 void Atari_InitOSKeymap(_THIS)
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113 {
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114 Atari_InitializeEvents(this);
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115
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116 /* Call choosen routine */
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117 this->InitOSKeymap(this);
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118 }
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119
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120 void Atari_PumpEvents(_THIS)
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121 {
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122 Atari_InitializeEvents(this);
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123
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124 /* Call choosen routine */
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125 this->PumpEvents(this);
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126 }