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annotate src/video/riscos/SDL_riscosevents.c @ 630:550bccdf04bd

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Added initial support for RISC OS (thanks Peter Naulls!)
author Sam Lantinga <slouken@libsdl.org>
date Thu, 29 May 2003 04:44:13 +0000
parents
children e71b7108d2d7
rev   line source
630
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Sam Lantinga <slouken@libsdl.org>
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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, 2001 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@devolution.com
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21 */
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22
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23 /*
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24 File added by Alan Buckley (alan_baa@hotmail.com) for RISCOS compatability
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25 27 March 2003
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26
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27 Implements keyboard setup, event pump and keyboard and mouse polling
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28 */
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29
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30
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31 #include "SDL.h"
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32 #include "SDL_sysevents.h"
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33 #include "SDL_events_c.h"
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34 #include "SDL_riscosvideo.h"
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35 #include "SDL_riscosevents_c.h"
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36 #include "SDL_timer_c.h"
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37 #include "SDL_cursor_c.h"
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38
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39 #include "memory.h"
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40 #include "stdlib.h"
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41 #include "ctype.h"
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42
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43 #include "kernel.h"
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44 #include "swis.h"
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45
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46 /* The translation table from a RISCOS internal key numbers to a SDL keysym */
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47 static SDLKey RO_keymap[SDLK_LAST];
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48
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49 /* RISCOS Key codes */
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50 #define ROKEY_SHIFT 0
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51 #define ROKEY_CTRL 1
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52 #define ROKEY_ALT 2
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53 /* Left shift is first key we will check for */
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54 #define ROKEY_LEFT_SHIFT 3
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55
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56 /* Need to ignore mouse buttons as they are processed separately */
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57 #define ROKEY_LEFT_MOUSE 9
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58 #define ROKEY_CENTRE_MOUSE 10
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59 #define ROKEY_RIGHT_MOUSE 11
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60
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61 /* No key has been pressed return value*/
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62 #define ROKEY_NONE 255
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63
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64 /* Id of last key in keyboard */
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65 #define ROKEY_LAST_KEY 124
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66
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67 /* Size of array for all keys */
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68 #define ROKEYBD_ARRAYSIZE 125
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69
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70 static char RO_pressed[ROKEYBD_ARRAYSIZE];
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71
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72 static SDL_keysym *TranslateKey(int intkey, SDL_keysym *keysym, int pressed);
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73
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74
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75 void RISCOS_PollMouse(_THIS);
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76 void RISCOS_PollKeyboard();
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77
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78 void RISCOS_PollMouseHelper(_THIS, int fullscreen);
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79
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80 extern void DRenderer_FillBuffers();
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81
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82 /* Timer running function */
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83 extern void RISCOS_CheckTimer();
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84
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85 void FULLSCREEN_PumpEvents(_THIS)
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86 {
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87 /* Current implementation requires keyboard and mouse polling */
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88 RISCOS_PollKeyboard();
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89 RISCOS_PollMouse(this);
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90 DRenderer_FillBuffers();
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91 if (SDL_timer_running) RISCOS_CheckTimer();
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92 }
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93
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94
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95 void RISCOS_InitOSKeymap(_THIS)
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96 {
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97 int i;
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98
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99 /* Map the VK keysyms */
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100 for ( i=0; i<SDL_TABLESIZE(RO_keymap); ++i )
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101 RO_keymap[i] = SDLK_UNKNOWN;
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102
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103 RO_keymap[3] = SDLK_LSHIFT;
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104 RO_keymap[4] = SDLK_LCTRL;
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105 RO_keymap[5] = SDLK_LALT;
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106 RO_keymap[6] = SDLK_RSHIFT;
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107 RO_keymap[7] = SDLK_RCTRL;
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108 RO_keymap[8] = SDLK_RALT;
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109 RO_keymap[16] = SDLK_q;
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110 RO_keymap[17] = SDLK_3;
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111 RO_keymap[18] = SDLK_4;
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112 RO_keymap[19] = SDLK_5;
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113 RO_keymap[20] = SDLK_F4;
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114 RO_keymap[21] = SDLK_8;
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115 RO_keymap[22] = SDLK_F7;
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116 RO_keymap[23] = SDLK_MINUS,
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117 RO_keymap[25] = SDLK_LEFT;
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118 RO_keymap[26] = SDLK_KP6;
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119 RO_keymap[27] = SDLK_KP7;
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120 RO_keymap[28] = SDLK_F11;
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121 RO_keymap[29] = SDLK_F12;
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122 RO_keymap[30] = SDLK_F10;
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123 RO_keymap[31] = SDLK_SCROLLOCK;
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124 RO_keymap[32] = SDLK_PRINT;
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125 RO_keymap[33] = SDLK_w;
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126 RO_keymap[34] = SDLK_e;
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127 RO_keymap[35] = SDLK_t;
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128 RO_keymap[36] = SDLK_7;
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129 RO_keymap[37] = SDLK_i;
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130 RO_keymap[38] = SDLK_9;
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131 RO_keymap[39] = SDLK_0;
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132 RO_keymap[41] = SDLK_DOWN;
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133 RO_keymap[42] = SDLK_KP8;
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134 RO_keymap[43] = SDLK_KP9;
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135 RO_keymap[44] = SDLK_BREAK;
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136 RO_keymap[45] = SDLK_BACKQUOTE;
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137 /* RO_keymap[46] = SDLK_currency; TODO: Figure out if this has a value */
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138 RO_keymap[47] = SDLK_BACKSPACE;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139 RO_keymap[48] = SDLK_1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 RO_keymap[49] = SDLK_2;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 RO_keymap[50] = SDLK_d;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 RO_keymap[51] = SDLK_r;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 RO_keymap[52] = SDLK_6;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 RO_keymap[53] = SDLK_u;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 RO_keymap[54] = SDLK_o;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 RO_keymap[55] = SDLK_p;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 RO_keymap[56] = SDLK_LEFTPAREN;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 RO_keymap[57] = SDLK_UP;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 RO_keymap[58] = SDLK_KP_PLUS;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 RO_keymap[59] = SDLK_KP_MINUS;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 RO_keymap[60] = SDLK_KP_ENTER;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 RO_keymap[61] = SDLK_INSERT;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 RO_keymap[62] = SDLK_HOME;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 RO_keymap[63] = SDLK_PAGEUP;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 RO_keymap[64] = SDLK_CAPSLOCK;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 RO_keymap[65] = SDLK_a;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 RO_keymap[66] = SDLK_x;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 RO_keymap[67] = SDLK_f;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 RO_keymap[68] = SDLK_y;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 RO_keymap[69] = SDLK_j;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 RO_keymap[70] = SDLK_k;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 RO_keymap[72] = SDLK_SEMICOLON;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 RO_keymap[73] = SDLK_RETURN;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 RO_keymap[74] = SDLK_KP_DIVIDE;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 RO_keymap[76] = SDLK_KP_PERIOD;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 RO_keymap[77] = SDLK_NUMLOCK;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 RO_keymap[78] = SDLK_PAGEDOWN;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 RO_keymap[79] = SDLK_QUOTE;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 RO_keymap[81] = SDLK_s;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 RO_keymap[82] = SDLK_c;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 RO_keymap[83] = SDLK_g;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 RO_keymap[84] = SDLK_h;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 RO_keymap[85] = SDLK_n;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 RO_keymap[86] = SDLK_l;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 RO_keymap[87] = SDLK_SEMICOLON;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 RO_keymap[88] = SDLK_RIGHTPAREN;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 RO_keymap[89] = SDLK_DELETE;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 RO_keymap[90] = SDLK_KP_MINUS;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 RO_keymap[91] = SDLK_KP_MULTIPLY;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 RO_keymap[93] = SDLK_EQUALS;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 RO_keymap[94] = SDLK_BACKSLASH;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 RO_keymap[96] = SDLK_TAB;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 RO_keymap[97] = SDLK_z;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 RO_keymap[98] = SDLK_SPACE;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 RO_keymap[99] = SDLK_v;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 RO_keymap[100] = SDLK_b;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 RO_keymap[101] = SDLK_m;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 RO_keymap[102] = SDLK_COMMA;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 RO_keymap[103] = SDLK_PERIOD;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 RO_keymap[104] = SDLK_SLASH;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 RO_keymap[105] = SDLK_END;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 RO_keymap[106] = SDLK_KP0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 RO_keymap[107] = SDLK_KP1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 RO_keymap[108] = SDLK_KP3;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 RO_keymap[112] = SDLK_ESCAPE;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 RO_keymap[113] = SDLK_F1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 RO_keymap[114] = SDLK_F2;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 RO_keymap[115] = SDLK_F3;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 RO_keymap[116] = SDLK_F5;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 RO_keymap[117] = SDLK_F6;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 RO_keymap[118] = SDLK_F8;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 RO_keymap[119] = SDLK_F9;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 RO_keymap[120] = SDLK_HASH;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 RO_keymap[121] = SDLK_RIGHT;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 RO_keymap[122] = SDLK_KP4;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 RO_keymap[123] = SDLK_KP5;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 RO_keymap[124] = SDLK_KP2;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 memset(RO_pressed, 0, ROKEYBD_ARRAYSIZE);
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parents:
diff changeset
210 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 /* Variable for mouse relative processing */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 int mouse_relative = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 /* Check to see if we need to enter or leave mouse relative mode */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 void RISCOS_CheckMouseMode(_THIS)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 /* If the mouse is hidden and input is grabbed, we use relative mode */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 if ( !(SDL_cursorstate & CURSOR_VISIBLE) &&
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 (this->input_grab != SDL_GRAB_OFF) ) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 mouse_relative = 1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 } else {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 mouse_relative = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 void RISCOS_PollMouse(_THIS)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 RISCOS_PollMouseHelper(this, 1);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 extern int mouseInWindow;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 void WIMP_PollMouse(_THIS)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 /* Only poll when mouse is over the window */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 if (!mouseInWindow) return;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 RISCOS_PollMouseHelper(this, 0);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 /* Static variables so only changes are reported */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 static Sint16 last_x = -1, last_y = -1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 static int last_buttons = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 /* Share routine between WIMP and FULLSCREEN for polling mouse and
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 passing on events */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 void RISCOS_PollMouseHelper(_THIS, int fullscreen)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 _kernel_swi_regs regs;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 static int starting = 1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 if (_kernel_swi(OS_Mouse, &regs, &regs) == NULL)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 Sint16 new_x = regs.r[0]; /* Initialy get as OS units */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 Sint16 new_y = regs.r[1];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 /* Discard mouse events until the let go of the mouse after starting */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 if (starting && regs.r[2] != 0) return;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 else starting = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 if (new_x != last_x || new_y != last_y || last_buttons != regs.r[2])
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 /* Something changed so generate appropriate events */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 int topLeftX, topLeftY; /* Top left OS units */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 int x, y; /* Mouse position in SDL pixels */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 if (fullscreen)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 topLeftX = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 topLeftY = (this->hidden->height << this->hidden->yeig) - 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 int window_state[9];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 /* Get current window state */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 window_state[0] = this->hidden->window_handle;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 regs.r[1] = (unsigned int)window_state;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 _kernel_swi(Wimp_GetWindowState, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 topLeftX = window_state[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 topLeftY = window_state[4];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 /* Convert co-ordinates to workspace */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 x = new_x - topLeftX;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 y = topLeftY - new_y; /* Y goes from top of window/screen */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 /* Convert OS units to pixels */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 x >>= this->hidden->xeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 y >>= this->hidden->yeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 if (last_x != new_x || last_y != new_y)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 if (mouse_relative)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 int centre_x = SDL_VideoSurface->w/2;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 int centre_y = SDL_VideoSurface->h/2;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 if (centre_x != x || centre_y != y)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 if (SDL_VideoSurface) SDL_PrivateMouseMotion(0,1,x - centre_x, y - centre_y);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 last_x = topLeftX + (centre_x << this->hidden->xeig);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 last_y = topLeftY - (centre_y << this->hidden->yeig);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 /* Re-centre the mouse pointer, so we still get relative
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 movement when the mouse is at the edge of the window
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 or screen.
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 unsigned char block[5];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316 block[0] = 3; /* OSWORD move pointer sub-reason code */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 block[1] = last_x & 0xFF;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 block[2] = (last_x >> 8) & 0xFF;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 block[3] = last_y & 0xFF;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 block[4] = (last_y >> 8) & 0xFF;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 regs.r[0] = 21; /* OSWORD pointer stuff code */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 regs.r[1] = (int)block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 _kernel_swi(OS_Word, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 last_x = new_x;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 last_y = new_y;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 SDL_PrivateMouseMotion(0,0,x,y);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 if (last_buttons != regs.r[2])
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 int changed = last_buttons ^ regs.r[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 last_buttons = regs.r[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 if (changed & 4) SDL_PrivateMouseButton((last_buttons & 4) ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_LEFT, x, y);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 if (changed & 2) SDL_PrivateMouseButton((last_buttons & 2) ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_MIDDLE, x, y);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 if (changed & 1) SDL_PrivateMouseButton((last_buttons & 1) ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_RIGHT, x, y);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 void RISCOS_PollKeyboard()
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 int which_key = ROKEY_LEFT_SHIFT;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 int min_key, max_key;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 SDL_keysym key;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 /* Scan the keyboard to see what is pressed */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 while (which_key <= ROKEY_LAST_KEY)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 which_key = (_kernel_osbyte(121, which_key, 0) & 0xFF);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 if (which_key != ROKEY_NONE)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 switch(which_key)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 /* Skip over mouse keys */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363 case ROKEY_LEFT_MOUSE:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 case ROKEY_CENTRE_MOUSE:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 case ROKEY_RIGHT_MOUSE:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 which_key = ROKEY_RIGHT_MOUSE;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 /* Ignore keys that cause 2 internal number to be generated */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 case 71: case 24: case 87: case 40:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 default:
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 RO_pressed[which_key] += 2;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 break;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 which_key++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 /* Generate key released messages */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 min_key = ROKEY_LAST_KEY+1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 max_key = ROKEY_LEFT_SHIFT;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 for (j = ROKEY_LEFT_SHIFT; j <= ROKEY_LAST_KEY; j++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 if (RO_pressed[j])
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 if (RO_pressed[j] == 1)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 RO_pressed[j] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 SDL_PrivateKeyboard(SDL_RELEASED, TranslateKey(j,&key,0));
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 if (j < min_key) min_key = j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 if (j > max_key) max_key = j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 /* Generate key pressed messages */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 for (j = min_key; j <= max_key; j++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 if (RO_pressed[j])
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 if (RO_pressed[j] == 2)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 SDL_PrivateKeyboard(SDL_PRESSED,TranslateKey(j,&key,1));
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 RO_pressed[j] = 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 static SDL_keysym *TranslateKey(int intkey, SDL_keysym *keysym, int pressed)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 /* Set the keysym information */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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418 keysym->scancode = (unsigned char) intkey;
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419 keysym->sym = RO_keymap[intkey];
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420 keysym->mod = KMOD_NONE;
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421 keysym->unicode = 0;
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422 if ( pressed && SDL_TranslateUNICODE )
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423 {
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424 int state;
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425 int ch;
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426
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427 state = (_kernel_osbyte(202, 0, 255) & 0xFF);
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428
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429 /*TODO: better key to char mapping */
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430
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431 ch = keysym->sym; /* This should handle most keys */
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432
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433 if (intkey < 9)
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434 {
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435 ch = 0;
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436
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437 } else if (state & 64) /* Control on */
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438 {
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439 ch = ch & 31;
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440
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441 } else if ((state & 16) == 0) /* Caps lock is on */
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442 {
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443 if ((state & 128) == 0) /* Shift Enable off */
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444 {
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445 ch = toupper(ch);
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446 }
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447 } else if (state & 8) /* Shift on */
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448 {
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449 ch = toupper(ch);
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450 }
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451
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452 keysym->unicode = ch;
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453 }
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454 return(keysym);
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455 }
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456
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457 /* end of SDL_riscosevents.c ... */
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458