annotate include/SDL_keyboard.h @ 941:5095c4a264aa

Date: Mon, 12 Jul 2004 14:17:47 -0500 From: Richard Smith Subject: Re: [SDL] Disableing color depth and mode searching > Also, I should add that a quick way to get the desired effect is to > #define BROKEN_MODES on top of the SDL_fbvideo.c file. > Ah yes, I see that looks like that will do what I need. Curious as to why this is a #define and not an enviroment variable like the other settings. I would think that finding cards (or chips) with broken modes would be the norm rather than the execption.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Aug 2004 11:34:24 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 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 /* Include file for SDL keyboard event handling */
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29
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30 #ifndef _SDL_keyboard_h
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31 #define _SDL_keyboard_h
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32
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33 #include "SDL_types.h"
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34 #include "SDL_keysym.h"
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35
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36 #include "begin_code.h"
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37 /* Set up for C function definitions, even when using C++ */
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38 #ifdef __cplusplus
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39 extern "C" {
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40 #endif
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41
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42 /* Keysym structure
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43 - The scancode is hardware dependent, and should not be used by general
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44 applications. If no hardware scancode is available, it will be 0.
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45
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46 - The 'unicode' translated character is only available when character
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47 translation is enabled by the SDL_EnableUNICODE() API. If non-zero,
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48 this is a UNICODE character corresponding to the keypress. If the
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49 high 9 bits of the character are 0, then this maps to the equivalent
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50 ASCII character:
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51 char ch;
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52 if ( (keysym.unicode & 0xFF80) == 0 ) {
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53 ch = keysym.unicode & 0x7F;
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54 } else {
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55 An international character..
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56 }
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57 */
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58 typedef struct SDL_keysym {
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59 Uint8 scancode; /* hardware specific scancode */
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60 SDLKey sym; /* SDL virtual keysym */
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61 SDLMod mod; /* current key modifiers */
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62 Uint16 unicode; /* translated character */
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63 } SDL_keysym;
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64
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65 /* This is the mask which refers to all hotkey bindings */
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66 #define SDL_ALL_HOTKEYS 0xFFFFFFFF
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67
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68 /* Function prototypes */
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69 /*
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70 * Enable/Disable UNICODE translation of keyboard input.
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71 * This translation has some overhead, so translation defaults off.
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72 * If 'enable' is 1, translation is enabled.
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73 * If 'enable' is 0, translation is disabled.
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74 * If 'enable' is -1, the translation state is not changed.
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75 * It returns the previous state of keyboard translation.
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76 */
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77 extern DECLSPEC int SDLCALL SDL_EnableUNICODE(int enable);
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78
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79 /*
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80 * Enable/Disable keyboard repeat. Keyboard repeat defaults to off.
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81 * 'delay' is the initial delay in ms between the time when a key is
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82 * pressed, and keyboard repeat begins.
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83 * 'interval' is the time in ms between keyboard repeat events.
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84 */
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85 #define SDL_DEFAULT_REPEAT_DELAY 500
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86 #define SDL_DEFAULT_REPEAT_INTERVAL 30
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87 /*
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88 * If 'delay' is set to 0, keyboard repeat is disabled.
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89 */
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90 extern DECLSPEC int SDLCALL SDL_EnableKeyRepeat(int delay, int interval);
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91
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92 /*
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93 * Get a snapshot of the current state of the keyboard.
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94 * Returns an array of keystates, indexed by the SDLK_* syms.
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95 * Used:
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96 * Uint8 *keystate = SDL_GetKeyState(NULL);
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97 * if ( keystate[SDLK_RETURN] ) ... <RETURN> is pressed.
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98 */
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99 extern DECLSPEC Uint8 * SDLCALL SDL_GetKeyState(int *numkeys);
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100
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101 /*
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102 * Get the current key modifier state
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103 */
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104 extern DECLSPEC SDLMod SDLCALL SDL_GetModState(void);
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105
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106 /*
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107 * Set the current key modifier state
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108 * This does not change the keyboard state, only the key modifier flags.
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109 */
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110 extern DECLSPEC void SDLCALL SDL_SetModState(SDLMod modstate);
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111
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112 /*
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113 * Get the name of an SDL virtual keysym
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114 */
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115 extern DECLSPEC char * SDLCALL SDL_GetKeyName(SDLKey key);
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116
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117
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118 /* Ends C function definitions when using C++ */
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119 #ifdef __cplusplus
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120 }
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121 #endif
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122 #include "close_code.h"
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123
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124 #endif /* _SDL_keyboard_h */