Mercurial > sdl-ios-xcode
annotate src/video/aalib/SDL_aaevents.c @ 1458:bf8db2d92be1
Date: Wed, 1 Mar 2006 23:52:09 +0100
From: Sam Hocevar
Subject: [SDL] [patch] aalib driver
Hi there. The attached patch fixes a buffer overflow in the aalib
driver and also adds a workaround for a conflict between arrow keys and
the numeric keypad that have the same scancode on aalib. The patch gives
precedence to the arrow keys.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Thu, 02 Mar 2006 03:18:21 +0000 |
| parents | d910939febfa |
| children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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Updated copyright information and removed rcs id lines (problematic in branch merges)
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 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 |
| 0 | 7 License as published by the Free Software Foundation; either |
|
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Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
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13 Lesser General Public License for more details. |
| 0 | 14 |
|
1312
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Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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15 You should have received a copy of the GNU Lesser General Public |
|
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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16 License along with this library; if not, write to the Free Software |
|
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
| 24 /* Handle the event stream, converting AA events into SDL events */ | |
| 25 | |
| 26 #include <stdio.h> | |
| 27 | |
| 28 #include <aalib.h> | |
| 29 | |
| 30 #include "SDL.h" | |
|
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New configure-based build system. Still work in progress, but much improved
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31 #include "../../events/SDL_sysevents.h" |
|
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32 #include "../../events/SDL_events_c.h" |
| 0 | 33 #include "SDL_aavideo.h" |
| 34 #include "SDL_aaevents_c.h" | |
| 35 | |
| 36 /* The translation tables from a console scancode to a SDL keysym */ | |
| 37 static SDLKey keymap[401]; | |
| 38 | |
| 39 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym); | |
| 40 | |
| 41 | |
| 42 void AA_PumpEvents(_THIS) | |
| 43 { | |
| 44 int posted = 0; | |
| 45 int mouse_button, mouse_x, mouse_y; | |
| 46 int evt; | |
| 47 SDL_keysym keysym; | |
| 48 | |
| 49 static int prev_button = -1, prev_x = -1, prev_y = -1; | |
| 50 | |
| 51 if( ! this->screen ) /* Wait till we got the screen initialized */ | |
| 52 return; | |
| 53 | |
| 54 do { | |
| 55 posted = 0; | |
| 56 /* Gather events */ | |
| 57 | |
| 58 /* Get mouse status */ | |
| 59 SDL_mutexP(AA_mutex); | |
| 60 aa_getmouse (AA_context, &mouse_x, &mouse_y, &mouse_button); | |
| 61 SDL_mutexV(AA_mutex); | |
| 62 mouse_x = mouse_x * this->screen->w / aa_scrwidth (AA_context); | |
| 63 mouse_y = mouse_y * this->screen->h / aa_scrheight (AA_context); | |
| 64 | |
| 65 /* Compare against previous state and generate events */ | |
| 66 if( prev_button != mouse_button ) { | |
| 67 if( mouse_button & AA_BUTTON1 ) { | |
| 68 if ( ! (prev_button & AA_BUTTON1) ) { | |
| 69 posted += SDL_PrivateMouseButton(SDL_PRESSED, 1, 0, 0); | |
| 70 } | |
| 71 } else { | |
| 72 if ( prev_button & AA_BUTTON1 ) { | |
| 73 posted += SDL_PrivateMouseButton(SDL_RELEASED, 1, 0, 0); | |
| 74 } | |
| 75 } | |
| 76 if( mouse_button & AA_BUTTON2 ) { | |
| 77 if ( ! (prev_button & AA_BUTTON2) ) { | |
| 78 posted += SDL_PrivateMouseButton(SDL_PRESSED, 2, 0, 0); | |
| 79 } | |
| 80 } else { | |
| 81 if ( prev_button & AA_BUTTON2 ) { | |
| 82 posted += SDL_PrivateMouseButton(SDL_RELEASED, 2, 0, 0); | |
| 83 } | |
| 84 } | |
| 85 if( mouse_button & AA_BUTTON3 ) { | |
| 86 if ( ! (prev_button & AA_BUTTON3) ) { | |
| 87 posted += SDL_PrivateMouseButton(SDL_PRESSED, 3, 0, 0); | |
| 88 } | |
| 89 } else { | |
| 90 if ( prev_button & AA_BUTTON3 ) { | |
| 91 posted += SDL_PrivateMouseButton(SDL_RELEASED, 3, 0, 0); | |
| 92 } | |
| 93 } | |
| 94 } | |
| 95 if ( prev_x != mouse_x || prev_y != mouse_y ) { | |
| 96 posted += SDL_PrivateMouseMotion(0, 0, mouse_x, mouse_y); | |
| 97 } | |
| 98 | |
| 99 prev_button = mouse_button; | |
| 100 prev_x = mouse_x; prev_y = mouse_y; | |
| 101 | |
| 102 /* Get keyboard event */ | |
| 103 SDL_mutexP(AA_mutex); | |
| 104 evt = aa_getevent(AA_context, 0); | |
| 105 SDL_mutexV(AA_mutex); | |
| 106 if ( (evt > AA_NONE) && (evt < AA_RELEASE) && (evt != AA_MOUSE) && (evt != AA_RESIZE) ) { | |
| 107 /* Key pressed */ | |
| 108 /* printf("Key pressed: %d (%c)\n", evt, evt); */ | |
| 109 posted += SDL_PrivateKeyboard(SDL_PRESSED, TranslateKey(evt, &keysym)); | |
| 110 } else if ( evt >= AA_RELEASE ) { | |
| 111 /* Key released */ | |
| 112 evt &= ~AA_RELEASE; | |
| 113 /* printf("Key released: %d (%c)\n", evt, evt); */ | |
| 114 posted += SDL_PrivateKeyboard(SDL_RELEASED, TranslateKey(evt, &keysym)); | |
| 115 } | |
| 116 } while ( posted ); | |
| 117 } | |
| 118 | |
| 119 void AA_InitOSKeymap(_THIS) | |
| 120 { | |
| 121 int i; | |
| 122 static const char *std_keys = " 01234567890&#'()_-|$*+-=/\\:;.,!?<>{}[]@~%^\x9"; | |
| 123 const char *std; | |
| 124 | |
| 125 /* Initialize the AAlib key translation table */ | |
|
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diff
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126 for ( i=0; i<SDL_arraysize(keymap); ++i ) |
| 0 | 127 keymap[i] = SDLK_UNKNOWN; |
| 128 | |
| 129 /* Alphabet keys */ | |
| 130 for ( i = 0; i<26; ++i ){ | |
| 131 keymap['a' + i] = SDLK_a+i; | |
| 132 keymap['A' + i] = SDLK_a+i; | |
| 133 } | |
| 134 /* Function keys */ | |
| 135 for ( i = 0; i<12; ++i ){ | |
| 136 keymap[334 + i] = SDLK_F1+i; | |
| 137 } | |
| 138 /* Keys that have the same symbols and don't have to be translated */ | |
| 139 for( std = std_keys; *std; std ++ ) { | |
| 140 keymap[*std] = *std; | |
| 141 } | |
| 142 | |
| 143 keymap[13] = SDLK_RETURN; | |
| 144 keymap[AA_BACKSPACE] = SDLK_BACKSPACE; | |
| 145 | |
| 146 keymap[369] = SDLK_LSHIFT; | |
| 147 keymap[370] = SDLK_RSHIFT; | |
| 148 keymap[371] = SDLK_LCTRL; | |
| 149 keymap[372] = SDLK_RCTRL; | |
| 150 keymap[377] = SDLK_LALT; | |
| 151 keymap[270] = SDLK_RALT; | |
| 152 keymap[271] = SDLK_NUMLOCK; | |
| 153 keymap[373] = SDLK_CAPSLOCK; | |
| 154 keymap[164] = SDLK_SCROLLOCK; | |
| 155 | |
| 156 keymap[243] = SDLK_INSERT; | |
| 157 keymap[304] = SDLK_DELETE; | |
| 158 keymap[224] = SDLK_HOME; | |
| 159 keymap[231] = SDLK_END; | |
| 160 keymap[229] = SDLK_PAGEUP; | |
| 161 keymap[230] = SDLK_PAGEDOWN; | |
| 162 | |
| 163 keymap[241] = SDLK_PRINT; | |
| 164 keymap[163] = SDLK_BREAK; | |
| 165 | |
| 166 keymap[302] = SDLK_KP0; | |
| 167 keymap[300] = SDLK_KP1; | |
| 168 keymap[297] = SDLK_KP2; | |
| 169 keymap[299] = SDLK_KP3; | |
| 170 keymap[294] = SDLK_KP4; | |
| 171 keymap[301] = SDLK_KP5; | |
| 172 keymap[296] = SDLK_KP6; | |
| 173 keymap[293] = SDLK_KP7; | |
| 174 keymap[295] = SDLK_KP8; | |
| 175 keymap[298] = SDLK_KP9; | |
|
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Date: Wed, 1 Mar 2006 23:52:09 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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176 |
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bf8db2d92be1
Date: Wed, 1 Mar 2006 23:52:09 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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177 keymap[AA_ESC] = SDLK_ESCAPE; |
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bf8db2d92be1
Date: Wed, 1 Mar 2006 23:52:09 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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178 keymap[AA_UP] = SDLK_UP; |
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bf8db2d92be1
Date: Wed, 1 Mar 2006 23:52:09 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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179 keymap[AA_DOWN] = SDLK_DOWN; |
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bf8db2d92be1
Date: Wed, 1 Mar 2006 23:52:09 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
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180 keymap[AA_LEFT] = SDLK_LEFT; |
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bf8db2d92be1
Date: Wed, 1 Mar 2006 23:52:09 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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181 keymap[AA_RIGHT] = SDLK_RIGHT; |
| 0 | 182 } |
| 183 | |
| 184 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym) | |
| 185 { | |
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Date: Wed, 1 Mar 2006 23:52:09 +0100
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parents:
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186 /* Sanity check */ |
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bf8db2d92be1
Date: Wed, 1 Mar 2006 23:52:09 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
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187 if ( scancode >= SDL_arraysize(keymap) ) |
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bf8db2d92be1
Date: Wed, 1 Mar 2006 23:52:09 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
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188 scancode = AA_UNKNOWN; |
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bf8db2d92be1
Date: Wed, 1 Mar 2006 23:52:09 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
189 |
| 0 | 190 /* Set the keysym information */ |
| 191 keysym->scancode = scancode; | |
| 192 keysym->sym = keymap[scancode]; | |
| 193 keysym->mod = KMOD_NONE; | |
| 194 | |
| 195 /* If UNICODE is on, get the UNICODE value for the key */ | |
| 196 keysym->unicode = 0; | |
| 197 if ( SDL_TranslateUNICODE ) { | |
| 198 /* Populate the unicode field with the ASCII value */ | |
| 199 keysym->unicode = scancode; | |
| 200 } | |
| 201 return(keysym); | |
| 202 } |