Mercurial > sdl-ios-xcode

annotate src/video/ataricommon/SDL_gemdosevents.c @ 3844:332a59e39ce1 SDL-ryan-multiple-audio-device

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I really don't want to update these last two audio backends...I added an error that says if no one complains, the backends will be removed eventually. So if anyone ever wants them and they care enough to speak up, we'll know to do something about it. If no one does, that's less code to maintain. :)
author Ryan C. Gordon <icculus@icculus.org>
date Tue, 17 Oct 2006 06:45:17 +0000
parents adf732f1f016
children 99210400e8b9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 /*
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25 * Atari keyboard events manager, using Gemdos
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26 *
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27 * Patrice Mandin
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28 */
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29
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30 /* Mint includes */
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31 #include <mint/osbind.h>
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32 #include <mint/cookie.h>
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33
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34 #include "../../events/SDL_sysevents.h"
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35 #include "../../events/SDL_events_c.h"
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36
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37 #include "SDL_atarikeys.h"
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38 #include "SDL_atarievents_c.h"
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39 #include "SDL_xbiosevents_c.h"
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40 #include "SDL_ataridevmouse_c.h"
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41
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42 /* To save state of keyboard */
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43
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44 static unsigned char gemdos_currentkeyboard[ATARIBIOS_MAXKEYS];
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45 static unsigned char gemdos_previouskeyboard[ATARIBIOS_MAXKEYS];
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46 static SDL_bool use_dev_mouse = SDL_FALSE;
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47
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48 enum
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49 {
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50 DEV_BUSY = 0,
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51 DEV_READY
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52 };
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53
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54 static void UpdateSpecialKeys(int special_keys_state);
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55
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56 void
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57 AtariGemdos_InitOSKeymap(_THIS)
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58 {
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59 int i, vectors_mask;
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60 unsigned long dummy;
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61
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62 SDL_memset(gemdos_currentkeyboard, 0, sizeof(gemdos_currentkeyboard));
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63 SDL_memset(gemdos_previouskeyboard, 0, sizeof(gemdos_previouskeyboard));
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64
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65 use_dev_mouse = (SDL_AtariDevMouse_Open() != 0) ? SDL_TRUE : SDL_FALSE;
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66
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67 vectors_mask = ATARI_XBIOS_JOYSTICKEVENTS; /* XBIOS joystick events */
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68 if (!use_dev_mouse) {
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69 vectors_mask |= ATARI_XBIOS_MOUSEEVENTS; /* XBIOS mouse events */
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70 }
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71 /*if (Getcookie(C_MiNT, &dummy) == C_FOUND) {
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72 vectors_mask = 0;
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73 } */
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74
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75 SDL_AtariXbios_InstallVectors(vectors_mask);
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76 }
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77
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78 void
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79 AtariGemdos_PumpEvents(_THIS)
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80 {
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81 int i;
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82 SDL_keysym keysym;
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83
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84 /* Update pressed keys */
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85 SDL_memset(gemdos_currentkeyboard, 0, ATARIBIOS_MAXKEYS);
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86
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87 while (Cconis() != DEV_BUSY) {
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88 unsigned long key_pressed;
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89 key_pressed = Cnecin();
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90 gemdos_currentkeyboard[(key_pressed >> 16) & (ATARIBIOS_MAXKEYS - 1)]
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91 = 0xFF;
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92 }
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93
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94 /* Read special keys */
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95 UpdateSpecialKeys(Kbshift(-1));
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96
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97 /* Now generate events */
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98 for (i = 0; i < ATARIBIOS_MAXKEYS; i++) {
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99 /* Key pressed ? */
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100 if (gemdos_currentkeyboard[i] && !gemdos_previouskeyboard[i])
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101 SDL_PrivateKeyboard(SDL_PRESSED,
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102 SDL_Atari_TranslateKey(i, &keysym, SDL_TRUE));
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103
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104 /* Key unpressed ? */
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105 if (gemdos_previouskeyboard[i] && !gemdos_currentkeyboard[i])
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106 SDL_PrivateKeyboard(SDL_RELEASED,
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107 SDL_Atari_TranslateKey(i, &keysym,
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108 SDL_FALSE));
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109 }
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110
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111 if (use_dev_mouse) {
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112 SDL_AtariDevMouse_PostMouseEvents(_this, SDL_TRUE);
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113 } else {
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114 SDL_AtariXbios_PostMouseEvents(_this, SDL_TRUE);
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115 }
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116
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117 /* Will be previous table */
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118 SDL_memcpy(gemdos_previouskeyboard, gemdos_currentkeyboard,
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119 sizeof(gemdos_previouskeyboard));
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120 }
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121
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122 static void
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123 UpdateSpecialKeys(int special_keys_state)
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124 {
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125 #define UPDATE_SPECIAL_KEYS(numbit,scancode) \
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126 { \
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127 if (special_keys_state & (1<<(numbit))) { \
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128 gemdos_currentkeyboard[scancode]=0xFF; \
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129 } \
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130 }
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131
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132 UPDATE_SPECIAL_KEYS(K_RSHIFT, SCANCODE_RIGHTSHIFT);
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133 UPDATE_SPECIAL_KEYS(K_LSHIFT, SCANCODE_LEFTSHIFT);
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134 UPDATE_SPECIAL_KEYS(K_CTRL, SCANCODE_LEFTCONTROL);
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135 UPDATE_SPECIAL_KEYS(K_ALT, SCANCODE_LEFTALT);
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136 UPDATE_SPECIAL_KEYS(K_CAPSLOCK, SCANCODE_CAPSLOCK);
281
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137 }
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138
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139 void
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140 AtariGemdos_ShutdownEvents(void)
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141 {
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142 SDL_AtariXbios_RestoreVectors();
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143 if (use_dev_mouse) {
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144 SDL_AtariDevMouse_Close();
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145 }
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146 }
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147
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148 /* vi: set ts=4 sw=4 expandtab: */