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Adds SDL_GameControllerAddMappingsFromRW, updates controllermap

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SDL_GameControllerAddMappingsFromFile is now a convenience macro.

controllermap can now skip bindings by pressing space or clicking/touching the
screen.
This commit is contained in:
Gabriel Jacobo 2013-12-03 12:01:28 -03:00
parent 013d99823d
commit 5ac1813451
3 changed files with 38 additions and 12 deletions
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13
include/SDL_gamecontroller.h
View File

@ -109,12 +109,21 @@ typedef struct SDL_GameControllerButtonBind
*/
/**
* Load a set of mappings from a file, filtered by the current SDL_GetPlatform()
* Load a set of mappings from a seekable SDL data stream (memory or file), filtered by the current SDL_GetPlatform()
* A community sourced database of controllers is available at https://raw.github.com/gabomdq/SDL_GameControllerDB/master/gamecontrollerdb.txt
*
* If \c freerw is non-zero, the stream will be closed after being read.
*
* \return number of mappings added, -1 on error
*/
extern DECLSPEC int SDLCALL SDL_GameControllerAddMappingsFromFile( const char* mapDB );
extern DECLSPEC int SDLCALL SDL_GameControllerAddMappingsFromRW( SDL_RWops * rw, int freerw );
/**
* Load a set of mappings from a file, filtered by the current SDL_GetPlatform()
*
* Convenience macro.
*/
#define SDL_GameControllerAddMappingsFromFile(file) SDL_GameControllerAddMappingsFromRW(SDL_RWFromFile(file, "rb"), 1)
/**
* Add or update an existing mapping configuration

13
src/joystick/SDL_gamecontroller.c
View File

@ -658,32 +658,37 @@ void SDL_PrivateGameControllerRefreshMapping( ControllerMapping_t *pControllerMa
* Add or update an entry into the Mappings Database
*/
int
SDL_GameControllerAddMappingsFromFile( const char* mapDB )
SDL_GameControllerAddMappingsFromRW( SDL_RWops * rw, int freerw )
{
const char *platform = SDL_GetPlatform();
SDL_RWops *rw;
int controllers = 0;
char *buf, *line, *line_end, *tmp, *comma, line_platform[64];
size_t db_size, platform_len;
rw = SDL_RWFromFile(mapDB, "rb");
if (rw == NULL) {
return SDL_SetError("Could not open %s", mapDB);
return SDL_SetError("Invalid RWops");
}
db_size = SDL_RWsize(rw);
buf = (char *) SDL_malloc(db_size + 1);
if (buf == NULL) {
if (freerw) {
SDL_RWclose(rw);
}
return SDL_SetError("Could allocate space to not read DB into memory");
}
if (SDL_RWread(rw, buf, db_size, 1) != 1) {
if (freerw) {
SDL_RWclose(rw);
}
SDL_free(buf);
return SDL_SetError("Could not read DB");
}
if (freerw) {
SDL_RWclose(rw);
}
buf[db_size] = '\0';
line = buf;

18
test/controllermap.c
View File

@ -144,7 +144,7 @@ WatchJoystick(SDL_Joystick * joystick)
};
/* Create a window to display joystick axis position */
window = SDL_CreateWindow("Joystick Test", SDL_WINDOWPOS_CENTERED,
window = SDL_CreateWindow("Game Controller Map", SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED, SCREEN_WIDTH,
SCREEN_HEIGHT, 0);
if (window == NULL) {
@ -178,6 +178,7 @@ WatchJoystick(SDL_Joystick * joystick)
Press the buttons on your controller when indicated\n\
(Your controller may look different than the picture)\n\
If you want to correct a mistake, press backspace or the back button on your device\n\
To skip a button, press SPACE or click/touch the screen\n\
To exit, press ESC\n\
====================================================================================\n");
@ -287,6 +288,12 @@ WatchJoystick(SDL_Joystick * joystick)
next=SDL_TRUE;
}
break;
case SDL_FINGERDOWN:
case SDL_MOUSEBUTTONDOWN:
/* Skip this step */
s++;
next=SDL_TRUE;
break;
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_BACKSPACE || event.key.keysym.sym == SDLK_AC_BACK) {
/* Undo! */
@ -297,12 +304,17 @@ WatchJoystick(SDL_Joystick * joystick)
}
break;
}
if (event.key.keysym.sym == SDLK_SPACE) {
/* Skip this step */
s++;
next=SDL_TRUE;
break;
}
if ((event.key.keysym.sym != SDLK_ESCAPE)) {
break;
}
/* Fall through to signal quit */
case SDL_FINGERDOWN:
case SDL_MOUSEBUTTONDOWN:
case SDL_QUIT:
done = SDL_TRUE;
break;