Mercurial > sdl-ios-xcode

annotate src/video/vgl/SDL_vglevents.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 e8157fcb3114
children c9b51268668f
rev   line source
75
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000 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 /* Handle the event stream, converting X11 events into SDL events */
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29
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30 #include <stdio.h>
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31
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32 #include <sys/fbio.h>
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33 #include <sys/consio.h>
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34 #include <sys/kbio.h>
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35 #include <vgl.h>
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36
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37 #include "SDL.h"
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38 #include "SDL_thread.h"
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39 #include "SDL_sysevents.h"
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40 #include "SDL_events_c.h"
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41 #include "SDL_vglvideo.h"
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42 #include "SDL_vglevents_c.h"
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43
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44 /* The translation tables from a console scancode to a SDL keysym */
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45 /* FIXME: Free the keymap when we shut down the video mode */
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46 static keymap_t *vga_keymap = NULL;
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47 static SDLKey keymap[128];
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48 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym);
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49
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50 static int posted = 0;
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51 static int oldx = -1;
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52 static int oldy = -1;
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53 static struct mouse_info mouseinfo;
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54
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55 /* Ugh, we have to duplicate the kernel's keysym mapping code...
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56 Oh, it's not so bad. :-)
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57
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58 FIXME: Add keyboard LED handling code
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59 */
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60 int VGL_initkeymaps(int fd)
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61 {
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62 vga_keymap = malloc(sizeof(keymap_t));
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63 if ( ! vga_keymap ) {
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64 SDL_OutOfMemory();
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65 return(-1);
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66 }
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67 if (ioctl(fd, GIO_KEYMAP, vga_keymap) == -1) {
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68 free(vga_keymap);
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69 vga_keymap = NULL;
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70 SDL_SetError("Unable to get keyboard map");
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71 return(-1);
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72 }
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73 return(0);
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74 }
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75
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76 static void handle_keyboard(_THIS)
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77 {
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78 SDL_keysym keysym;
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79 int c, pressed, scancode;
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80
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81 while ((c = VGLKeyboardGetCh()) != 0) {
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82 scancode = c & 0x7F;
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83 if (c & 0x80) {
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84 pressed = SDL_RELEASED;
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85 } else {
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86 pressed = SDL_PRESSED;
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87 }
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88
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89 posted += SDL_PrivateKeyboard(pressed,
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90 TranslateKey(scancode, &keysym));
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91 }
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92 }
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93
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94 int VGL_initmouse(int fd)
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95 {
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96 mouseinfo.operation = MOUSE_GETINFO;
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97 if (ioctl(fd, CONS_MOUSECTL, &mouseinfo) != 0)
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98 return -1;
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99
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100 return 0;
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101 }
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102
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103 static void handle_mouse(_THIS)
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104 {
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105 char buttons;
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106 int x, y;
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107 int button_state, state_changed, state;
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108 int i;
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109
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110 ioctl(0, CONS_MOUSECTL, &mouseinfo);
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111 x = mouseinfo.u.data.x;
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112 y = mouseinfo.u.data.y;
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113 buttons = mouseinfo.u.data.buttons;
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114
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115 if ((x != oldx) || (y != oldy)) {
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116 posted += SDL_PrivateMouseMotion(0, 0, x, y);
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117 oldx = x;
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118 oldy = y;
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119 }
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120
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121 /* See what's changed */
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122 button_state = SDL_GetMouseState(NULL, NULL);
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123 state_changed = button_state ^ buttons;
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124 for (i = 0; i < 8; i++) {
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125 if (state_changed & (1<<i)) {
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126 if (buttons & (1<<i)) {
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127 state = SDL_PRESSED;
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128 } else {
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129 state = SDL_RELEASED;
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130 }
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131 posted += SDL_PrivateMouseButton(state, i + 1, 0, 0);
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132 }
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133 }
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134 }
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135
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136
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137 void VGL_PumpEvents(_THIS)
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138 {
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139 do {
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140 posted = 0;
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141 handle_keyboard(this);
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142 handle_mouse(this);
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143 } while (posted != 0);
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144 }
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145
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146 void VGL_InitOSKeymap(_THIS)
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147 {
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diff changeset
148 int i;
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149
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150 /* Initialize the BeOS key translation table */
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diff changeset
151 for ( i=0; i<SDL_TABLESIZE(keymap); ++i )
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152 keymap[i] = SDLK_UNKNOWN;
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diff changeset
153
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diff changeset
154 keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE;
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diff changeset
155 keymap[SCANCODE_1] = SDLK_1;
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diff changeset
156 keymap[SCANCODE_2] = SDLK_2;
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diff changeset
157 keymap[SCANCODE_3] = SDLK_3;
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diff changeset
158 keymap[SCANCODE_4] = SDLK_4;
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diff changeset
159 keymap[SCANCODE_5] = SDLK_5;
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diff changeset
160 keymap[SCANCODE_6] = SDLK_6;
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diff changeset
161 keymap[SCANCODE_7] = SDLK_7;
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diff changeset
162 keymap[SCANCODE_8] = SDLK_8;
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diff changeset
163 keymap[SCANCODE_9] = SDLK_9;
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diff changeset
164 keymap[SCANCODE_0] = SDLK_0;
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diff changeset
165 keymap[SCANCODE_MINUS] = SDLK_MINUS;
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diff changeset
166 keymap[SCANCODE_EQUAL] = SDLK_EQUALS;
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diff changeset
167 keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE;
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diff changeset
168 keymap[SCANCODE_TAB] = SDLK_TAB;
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diff changeset
169 keymap[SCANCODE_Q] = SDLK_q;
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diff changeset
170 keymap[SCANCODE_W] = SDLK_w;
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diff changeset
171 keymap[SCANCODE_E] = SDLK_e;
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diff changeset
172 keymap[SCANCODE_R] = SDLK_r;
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diff changeset
173 keymap[SCANCODE_T] = SDLK_t;
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diff changeset
174 keymap[SCANCODE_Y] = SDLK_y;
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diff changeset
175 keymap[SCANCODE_U] = SDLK_u;
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176 keymap[SCANCODE_I] = SDLK_i;
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177 keymap[SCANCODE_O] = SDLK_o;
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178 keymap[SCANCODE_P] = SDLK_p;
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179 keymap[SCANCODE_BRACKET_LEFT] = SDLK_LEFTBRACKET;
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180 keymap[SCANCODE_BRACKET_RIGHT] = SDLK_RIGHTBRACKET;
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181 keymap[SCANCODE_ENTER] = SDLK_RETURN;
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182 keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL;
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183 keymap[SCANCODE_A] = SDLK_a;
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diff changeset
184 keymap[SCANCODE_S] = SDLK_s;
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diff changeset
185 keymap[SCANCODE_D] = SDLK_d;
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186 keymap[SCANCODE_F] = SDLK_f;
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187 keymap[SCANCODE_G] = SDLK_g;
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188 keymap[SCANCODE_H] = SDLK_h;
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diff changeset
189 keymap[SCANCODE_J] = SDLK_j;
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diff changeset
190 keymap[SCANCODE_K] = SDLK_k;
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diff changeset
191 keymap[SCANCODE_L] = SDLK_l;
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diff changeset
192 keymap[SCANCODE_SEMICOLON] = SDLK_SEMICOLON;
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193 keymap[SCANCODE_APOSTROPHE] = SDLK_QUOTE;
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194 keymap[SCANCODE_GRAVE] = SDLK_BACKQUOTE;
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195 keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT;
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196 keymap[SCANCODE_BACKSLASH] = SDLK_BACKSLASH;
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197 keymap[SCANCODE_Z] = SDLK_z;
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198 keymap[SCANCODE_X] = SDLK_x;
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199 keymap[SCANCODE_C] = SDLK_c;
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200 keymap[SCANCODE_V] = SDLK_v;
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201 keymap[SCANCODE_B] = SDLK_b;
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202 keymap[SCANCODE_N] = SDLK_n;
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203 keymap[SCANCODE_M] = SDLK_m;
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204 keymap[SCANCODE_COMMA] = SDLK_COMMA;
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205 keymap[SCANCODE_PERIOD] = SDLK_PERIOD;
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206 keymap[SCANCODE_SLASH] = SDLK_SLASH;
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207 keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT;
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208 keymap[SCANCODE_KEYPADMULTIPLY] = SDLK_KP_MULTIPLY;
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209 keymap[SCANCODE_LEFTALT] = SDLK_LALT;
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210 keymap[SCANCODE_SPACE] = SDLK_SPACE;
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211 keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK;
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212 keymap[SCANCODE_F1] = SDLK_F1;
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213 keymap[SCANCODE_F2] = SDLK_F2;
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214 keymap[SCANCODE_F3] = SDLK_F3;
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215 keymap[SCANCODE_F4] = SDLK_F4;
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216 keymap[SCANCODE_F5] = SDLK_F5;
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217 keymap[SCANCODE_F6] = SDLK_F6;
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218 keymap[SCANCODE_F7] = SDLK_F7;
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219 keymap[SCANCODE_F8] = SDLK_F8;
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220 keymap[SCANCODE_F9] = SDLK_F9;
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221 keymap[SCANCODE_F10] = SDLK_F10;
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222 keymap[SCANCODE_NUMLOCK] = SDLK_NUMLOCK;
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diff changeset
223 keymap[SCANCODE_SCROLLLOCK] = SDLK_SCROLLOCK;
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diff changeset
224 keymap[SCANCODE_KEYPAD7] = SDLK_KP7;
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225 keymap[SCANCODE_CURSORUPLEFT] = SDLK_KP7;
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226 keymap[SCANCODE_KEYPAD8] = SDLK_KP8;
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diff changeset
227 keymap[SCANCODE_CURSORUP] = SDLK_KP8;
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228 keymap[SCANCODE_KEYPAD9] = SDLK_KP9;
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diff changeset
229 keymap[SCANCODE_CURSORUPRIGHT] = SDLK_KP9;
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diff changeset
230 keymap[SCANCODE_KEYPADMINUS] = SDLK_KP_MINUS;
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diff changeset
231 keymap[SCANCODE_KEYPAD4] = SDLK_KP4;
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diff changeset
232 keymap[SCANCODE_CURSORLEFT] = SDLK_KP4;
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diff changeset
233 keymap[SCANCODE_KEYPAD5] = SDLK_KP5;
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diff changeset
234 keymap[SCANCODE_KEYPAD6] = SDLK_KP6;
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diff changeset
235 keymap[SCANCODE_CURSORRIGHT] = SDLK_KP6;
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diff changeset
236 keymap[SCANCODE_KEYPADPLUS] = SDLK_KP_PLUS;
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diff changeset
237 keymap[SCANCODE_KEYPAD1] = SDLK_KP1;
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diff changeset
238 keymap[SCANCODE_CURSORDOWNLEFT] = SDLK_KP1;
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diff changeset
239 keymap[SCANCODE_KEYPAD2] = SDLK_KP2;
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diff changeset
240 keymap[SCANCODE_CURSORDOWN] = SDLK_KP2;
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diff changeset
241 keymap[SCANCODE_KEYPAD3] = SDLK_KP3;
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diff changeset
242 keymap[SCANCODE_CURSORDOWNRIGHT] = SDLK_KP3;
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diff changeset
243 keymap[SCANCODE_KEYPAD0] = SDLK_KP0;
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diff changeset
244 keymap[SCANCODE_KEYPADPERIOD] = SDLK_KP_PERIOD;
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diff changeset
245 keymap[SCANCODE_LESS] = SDLK_LESS;
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diff changeset
246 keymap[SCANCODE_F11] = SDLK_F11;
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diff changeset
247 keymap[SCANCODE_F12] = SDLK_F12;
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diff changeset
248 keymap[SCANCODE_KEYPADENTER] = SDLK_KP_ENTER;
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diff changeset
249 keymap[SCANCODE_RIGHTCONTROL] = SDLK_RCTRL;
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diff changeset
250 keymap[SCANCODE_CONTROL] = SDLK_RCTRL;
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diff changeset
251 keymap[SCANCODE_KEYPADDIVIDE] = SDLK_KP_DIVIDE;
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diff changeset
252 keymap[SCANCODE_PRINTSCREEN] = SDLK_PRINT;
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diff changeset
253 keymap[SCANCODE_RIGHTALT] = SDLK_RALT;
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diff changeset
254 keymap[SCANCODE_BREAK] = SDLK_BREAK;
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diff changeset
255 keymap[SCANCODE_BREAK_ALTERNATIVE] = SDLK_UNKNOWN;
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diff changeset
256 keymap[SCANCODE_HOME] = SDLK_HOME;
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diff changeset
257 keymap[SCANCODE_CURSORBLOCKUP] = SDLK_UP;
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diff changeset
258 keymap[SCANCODE_PAGEUP] = SDLK_PAGEUP;
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diff changeset
259 keymap[SCANCODE_CURSORBLOCKLEFT] = SDLK_LEFT;
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diff changeset
260 keymap[SCANCODE_CURSORBLOCKRIGHT] = SDLK_RIGHT;
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diff changeset
261 keymap[SCANCODE_END] = SDLK_END;
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diff changeset
262 keymap[SCANCODE_CURSORBLOCKDOWN] = SDLK_DOWN;
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diff changeset
263 keymap[SCANCODE_PAGEDOWN] = SDLK_PAGEDOWN;
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diff changeset
264 keymap[SCANCODE_INSERT] = SDLK_INSERT;
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diff changeset
265 keymap[SCANCODE_REMOVE] = SDLK_DELETE;
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diff changeset
266 keymap[119] = SDLK_PAUSE;
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diff changeset
267 keymap[SCANCODE_RIGHTWIN] = SDLK_RSUPER;
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diff changeset
268 keymap[SCANCODE_LEFTWIN] = SDLK_LSUPER;
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diff changeset
269 keymap[127] = SDLK_MENU;
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diff changeset
270 }
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diff changeset
271
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diff changeset
272 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)
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diff changeset
273 {
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diff changeset
274 /* Set the keysym information */
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275 keysym->scancode = scancode;
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276 keysym->sym = keymap[scancode];
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277 keysym->mod = KMOD_NONE;
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278
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279 /* If UNICODE is on, get the UNICODE value for the key */
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280 keysym->unicode = 0;
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281 if ( SDL_TranslateUNICODE && vga_keymap ) {
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282 int map;
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283 SDLMod modstate;
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284
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285 modstate = SDL_GetModState();
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286 map = 0;
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287 if ( modstate & KMOD_SHIFT ) {
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288 map += 1;
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289 }
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290 if ( modstate & KMOD_CTRL ) {
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291 map += 2;
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292 }
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293 if ( modstate & KMOD_ALT ) {
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294 map += 4;
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295 }
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296 if ( !(vga_keymap->key[scancode].spcl & (0x80 >> map)) ) {
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297 keysym->unicode = vga_keymap->key[scancode].map[map];
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298 }
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299
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300 }
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301 return(keysym);
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302 }
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303