Mercurial > sdl-ios-xcode
annotate include/SDL_joystick.h @ 315:3333b6e68289
Date: Sat, 23 Mar 2002 13:53:37 +0200
From: "Mike Gorchak" <mike@malva.ua>
Subject: Big QNX patch again.
Added 8bit palette emulation code for window mode with bpp>=15.
Added store/restore original palette for 8bit modes.
Added more information about photon API call fails.
Rewroten change palette code, slow but works.
Fixed bug with set caption before window was inited.
Fixed bugs with some initial state of variables.
Fixed bug with storing old video mode settings.
Fixed bug with switching to fullscreen mode and back.
Fixed few double SEGFAULTS during parachute mode.
Removed compilation warning with no PgWaitHWIdle prototype.
Removed pack of dead unusable code.
Cleanups SDL_PrivateVideoData structure, some headers.
Some code formatting.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 23 Mar 2002 20:19:44 +0000 |
| parents | f6ffac90895c |
| children | 9154ec9ca3d2 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
297
f6ffac90895c
Updated copyright information for 2002
Sam Lantinga <slouken@libsdl.org>
parents:
251
diff
changeset
|
3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 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 | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
251
b8688cfdc232
Updated the headers with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 /* Include file for SDL joystick event handling */ | |
| 29 | |
| 30 #ifndef _SDL_joystick_h | |
| 31 #define _SDL_joystick_h | |
| 32 | |
| 33 #include "SDL_types.h" | |
| 34 | |
| 35 #include "begin_code.h" | |
| 36 /* Set up for C function definitions, even when using C++ */ | |
| 37 #ifdef __cplusplus | |
| 38 extern "C" { | |
| 39 #endif | |
| 40 | |
| 41 /* In order to use these functions, SDL_Init() must have been called | |
| 42 with the SDL_INIT_JOYSTICK flag. This causes SDL to scan the system | |
| 43 for joysticks, and load appropriate drivers. | |
| 44 */ | |
| 45 | |
| 46 /* The joystick structure used to identify an SDL joystick */ | |
| 47 struct _SDL_Joystick; | |
| 48 typedef struct _SDL_Joystick SDL_Joystick; | |
| 49 | |
| 50 | |
| 51 /* Function prototypes */ | |
| 52 /* | |
| 53 * Count the number of joysticks attached to the system | |
| 54 */ | |
| 55 extern DECLSPEC int SDL_NumJoysticks(void); | |
| 56 | |
| 57 /* | |
| 58 * Get the implementation dependent name of a joystick. | |
| 59 * This can be called before any joysticks are opened. | |
| 60 * If no name can be found, this function returns NULL. | |
| 61 */ | |
| 62 extern DECLSPEC const char *SDL_JoystickName(int device_index); | |
| 63 | |
| 64 /* | |
| 65 * Open a joystick for use - the index passed as an argument refers to | |
| 66 * the N'th joystick on the system. This index is the value which will | |
| 67 * identify this joystick in future joystick events. | |
| 68 * | |
| 69 * This function returns a joystick identifier, or NULL if an error occurred. | |
| 70 */ | |
| 71 extern DECLSPEC SDL_Joystick *SDL_JoystickOpen(int device_index); | |
| 72 | |
| 73 /* | |
| 74 * Returns 1 if the joystick has been opened, or 0 if it has not. | |
| 75 */ | |
| 76 extern DECLSPEC int SDL_JoystickOpened(int device_index); | |
| 77 | |
| 78 /* | |
| 79 * Get the device index of an opened joystick. | |
| 80 */ | |
| 81 extern DECLSPEC int SDL_JoystickIndex(SDL_Joystick *joystick); | |
| 82 | |
| 83 /* | |
| 84 * Get the number of general axis controls on a joystick | |
| 85 */ | |
| 86 extern DECLSPEC int SDL_JoystickNumAxes(SDL_Joystick *joystick); | |
| 87 | |
| 88 /* | |
| 89 * Get the number of trackballs on a joystick | |
| 90 * Joystick trackballs have only relative motion events associated | |
| 91 * with them and their state cannot be polled. | |
| 92 */ | |
| 93 extern DECLSPEC int SDL_JoystickNumBalls(SDL_Joystick *joystick); | |
| 94 | |
| 95 /* | |
| 96 * Get the number of POV hats on a joystick | |
| 97 */ | |
| 98 extern DECLSPEC int SDL_JoystickNumHats(SDL_Joystick *joystick); | |
| 99 | |
| 100 /* | |
| 101 * Get the number of buttons on a joystick | |
| 102 */ | |
| 103 extern DECLSPEC int SDL_JoystickNumButtons(SDL_Joystick *joystick); | |
| 104 | |
| 105 /* | |
| 106 * Update the current state of the open joysticks. | |
| 107 * This is called automatically by the event loop if any joystick | |
| 108 * events are enabled. | |
| 109 */ | |
| 110 extern DECLSPEC void SDL_JoystickUpdate(void); | |
| 111 | |
| 112 /* | |
| 113 * Enable/disable joystick event polling. | |
| 114 * If joystick events are disabled, you must call SDL_JoystickUpdate() | |
| 115 * yourself and check the state of the joystick when you want joystick | |
| 116 * information. | |
| 117 * The state can be one of SDL_QUERY, SDL_ENABLE or SDL_IGNORE. | |
| 118 */ | |
| 119 extern DECLSPEC int SDL_JoystickEventState(int state); | |
| 120 | |
| 121 /* | |
| 122 * Get the current state of an axis control on a joystick | |
| 123 * The state is a value ranging from -32768 to 32767. | |
| 124 * The axis indices start at index 0. | |
| 125 */ | |
| 126 extern DECLSPEC Sint16 SDL_JoystickGetAxis(SDL_Joystick *joystick, int axis); | |
| 127 | |
| 128 /* | |
| 129 * Get the current state of a POV hat on a joystick | |
| 130 * The return value is one of the following positions: | |
| 131 */ | |
| 132 #define SDL_HAT_CENTERED 0x00 | |
| 133 #define SDL_HAT_UP 0x01 | |
| 134 #define SDL_HAT_RIGHT 0x02 | |
| 135 #define SDL_HAT_DOWN 0x04 | |
| 136 #define SDL_HAT_LEFT 0x08 | |
| 137 #define SDL_HAT_RIGHTUP (SDL_HAT_RIGHT|SDL_HAT_UP) | |
| 138 #define SDL_HAT_RIGHTDOWN (SDL_HAT_RIGHT|SDL_HAT_DOWN) | |
| 139 #define SDL_HAT_LEFTUP (SDL_HAT_LEFT|SDL_HAT_UP) | |
| 140 #define SDL_HAT_LEFTDOWN (SDL_HAT_LEFT|SDL_HAT_DOWN) | |
| 141 /* | |
| 142 * The hat indices start at index 0. | |
| 143 */ | |
| 144 extern DECLSPEC Uint8 SDL_JoystickGetHat(SDL_Joystick *joystick, int hat); | |
| 145 | |
| 146 /* | |
| 147 * Get the ball axis change since the last poll | |
| 148 * This returns 0, or -1 if you passed it invalid parameters. | |
| 149 * The ball indices start at index 0. | |
| 150 */ | |
| 151 extern DECLSPEC int SDL_JoystickGetBall(SDL_Joystick *joystick, int ball, int *dx, int *dy); | |
| 152 | |
| 153 /* | |
| 154 * Get the current state of a button on a joystick | |
| 155 * The button indices start at index 0. | |
| 156 */ | |
| 157 extern DECLSPEC Uint8 SDL_JoystickGetButton(SDL_Joystick *joystick, int button); | |
| 158 | |
| 159 /* | |
| 160 * Close a joystick previously opened with SDL_JoystickOpen() | |
| 161 */ | |
| 162 extern DECLSPEC void SDL_JoystickClose(SDL_Joystick *joystick); | |
| 163 | |
| 164 | |
| 165 /* Ends C function definitions when using C++ */ | |
| 166 #ifdef __cplusplus | |
| 167 } | |
| 168 #endif | |
| 169 #include "close_code.h" | |
| 170 | |
| 171 #endif /* _SDL_joystick_h */ |