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annotate src/video/dc/SDL_dcevents.c @ 2993:2fad80c77c17

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Technically more correct
author Sam Lantinga <slouken@libsdl.org>
date Sun, 04 Jan 2009 19:26:50 +0000
parents 4e4d814884aa
children
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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 #include "../../events/SDL_sysevents.h"
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25 #include "../../events/SDL_events_c.h"
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26 #include "SDL_dcvideo.h"
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27 #include "SDL_dcevents_c.h"
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28
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29 #include <dc/maple.h>
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30 #include <dc/maple/mouse.h>
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31 #include <dc/maple/keyboard.h>
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32
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33 const static unsigned short sdl_key[] = {
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34 /*0 */ 0, 0, 0, 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
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35 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
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36 'u', 'v', 'w', 'x', 'y', 'z',
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37 /*1e */ '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
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38 /*28 */ SDLK_RETURN, SDLK_ESCAPE, SDLK_BACKSPACE, SDLK_TAB, SDLK_SPACE,
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39 SDLK_MINUS, SDLK_PLUS, SDLK_LEFTBRACKET,
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40 SDLK_RIGHTBRACKET, SDLK_BACKSLASH, 0, SDLK_SEMICOLON, SDLK_QUOTE,
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41 /*35 */ '~', SDLK_COMMA, SDLK_PERIOD, SDLK_SLASH, SDLK_CAPSLOCK,
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42 SDLK_F1, SDLK_F2, SDLK_F3, SDLK_F4, SDLK_F5, SDLK_F6, SDLK_F7, SDLK_F8,
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43 SDLK_F9, SDLK_F10, SDLK_F11, SDLK_F12,
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44 /*46 */ SDLK_PRINT, SDLK_SCROLLOCK, SDLK_PAUSE, SDLK_INSERT, SDLK_HOME,
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45 SDLK_PAGEUP, SDLK_DELETE, SDLK_END, SDLK_PAGEDOWN, SDLK_RIGHT,
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46 SDLK_LEFT, SDLK_DOWN, SDLK_UP,
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47 /*53 */ SDLK_NUMLOCK, SDLK_KP_DIVIDE, SDLK_KP_MULTIPLY, SDLK_KP_MINUS,
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48 SDLK_KP_PLUS, SDLK_KP_ENTER,
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49 SDLK_KP1, SDLK_KP2, SDLK_KP3, SDLK_KP4, SDLK_KP5, SDLK_KP6,
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50 /*5f */ SDLK_KP7, SDLK_KP8, SDLK_KP9, SDLK_KP0, SDLK_KP_PERIOD, 0
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51 /* S3 */
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52 };
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53
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54 const static unsigned short sdl_shift[] = {
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55 SDLK_LCTRL, SDLK_LSHIFT, SDLK_LALT, 0 /* S1 */ ,
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56 SDLK_RCTRL, SDLK_RSHIFT, SDLK_RALT, 0 /* S2 */ ,
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57 };
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58
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59 #define MOUSE_WHEELUP (1<<4)
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60 #define MOUSE_WHEELDOWN (1<<5)
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61
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62 static void
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63 mouse_update(void)
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64 {
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65 const static char sdl_mousebtn[] = {
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66 MOUSE_LEFTBUTTON,
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67 MOUSE_RIGHTBUTTON,
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68 MOUSE_SIDEBUTTON,
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69 MOUSE_WHEELUP,
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70 MOUSE_WHEELDOWN
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71 };
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72
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73 uint8 addr;
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74 mouse_cond_t cond;
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75
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76 static int prev_buttons;
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77 int buttons, changed;
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78 int i;
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79
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80 if ((addr = maple_first_mouse()) == 0 || mouse_get_cond(addr, &cond) < 0)
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81 return;
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82
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83 buttons = cond.buttons ^ 0xff;
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84 if (cond.dz < 0)
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85 buttons |= MOUSE_WHEELUP;
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86 if (cond.dz > 0)
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87 buttons |= MOUSE_WHEELDOWN;
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88
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89 if (cond.dx || cond.dy)
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90 SDL_PrivateMouseMotion(0, 1, cond.dx, cond.dy);
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91
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92 changed = buttons ^ prev_buttons;
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93 for (i = 0; i < sizeof(sdl_mousebtn); i++) {
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94 if (changed & sdl_mousebtn[i]) {
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95 SDL_PrivateMouseButton((buttons & sdl_mousebtn[i]) ?
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96 SDL_PRESSED : SDL_RELEASED, i, 0, 0);
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97 }
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98 }
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99 prev_buttons = buttons;
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100 }
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101
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102 static void
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103 keyboard_update(void)
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104 {
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105 static kbd_state_t old_state;
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106 static uint8 old_addr;
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107
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108 kbd_state_t *state;
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109 uint8 addr;
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110 int port, unit;
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111
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112 int shiftkeys;
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113 SDL_keysym keysym;
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114
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115 int i;
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116
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117 addr = maple_first_kb();
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118
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119 if (addr == 0)
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120 return;
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121
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122 if (addr != old_addr) {
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123 old_addr = addr;
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124 SDL_memset(&old_state, 0, sizeof(old_state));
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125 }
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126
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127 maple_raddr(addr, &port, &unit);
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128
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129 state = maple_dev_state(port, unit);
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130 if (!state)
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131 return;
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132
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133 shiftkeys = state->shift_keys ^ old_state.shift_keys;
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134 for (i = 0; i < sizeof(sdl_shift); i++) {
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135 if ((shiftkeys >> i) & 1) {
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136 keysym.sym = sdl_shift[i];
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137 SDL_PrivateKeyboard(((state->shift_keys >> i) & 1) ? SDL_PRESSED :
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138 SDL_RELEASED, &keysym);
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139 }
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140 }
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141
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142 for (i = 0; i < sizeof(sdl_key); i++) {
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143 if (state->matrix[i] != old_state.matrix[i]) {
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144 int key = sdl_key[i];
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145 if (key) {
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146 keysym.sym = key;
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147 SDL_PrivateKeyboard(state->matrix[i] ? SDL_PRESSED :
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148 SDL_RELEASED, &keysym);
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149 }
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150 }
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151 }
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152
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153 old_state = *state;
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154 }
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155
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156 void
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157 DC_PumpEvents(_THIS)
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158 {
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159 keyboard_update();
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160 mouse_update();
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161 }
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162
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163 void
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164 DC_InitOSKeymap(_THIS)
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165 {
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166 /* do nothing. */
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167 }
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168
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169 /* end of SDL_dcevents.c ... */
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170 /* vi: set ts=4 sw=4 expandtab: */