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Diffstat (limited to '3rdparty/SDL2/src/joystick/windows/SDL_mmjoystick.c')
-rw-r--r--3rdparty/SDL2/src/joystick/windows/SDL_mmjoystick.c467
1 files changed, 0 insertions, 467 deletions
diff --git a/3rdparty/SDL2/src/joystick/windows/SDL_mmjoystick.c b/3rdparty/SDL2/src/joystick/windows/SDL_mmjoystick.c
deleted file mode 100644
index 37461818112..00000000000
--- a/3rdparty/SDL2/src/joystick/windows/SDL_mmjoystick.c
+++ /dev/null
@@ -1,467 +0,0 @@
-/*
- Simple DirectMedia Layer
- Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#ifdef SDL_JOYSTICK_WINMM
-
-/* Win32 MultiMedia Joystick driver, contributed by Andrei de A. Formiga */
-
-#include "../../core/windows/SDL_windows.h"
-#include <mmsystem.h>
-#include <regstr.h>
-
-#include "SDL_events.h"
-#include "SDL_joystick.h"
-#include "../SDL_sysjoystick.h"
-#include "../SDL_joystick_c.h"
-
-#ifdef REGSTR_VAL_JOYOEMNAME
-#undef REGSTR_VAL_JOYOEMNAME
-#endif
-#define REGSTR_VAL_JOYOEMNAME "OEMName"
-
-#define MAX_JOYSTICKS 16
-#define MAX_AXES 6 /* each joystick can have up to 6 axes */
-#define MAX_BUTTONS 32 /* and 32 buttons */
-#define AXIS_MIN -32768 /* minimum value for axis coordinate */
-#define AXIS_MAX 32767 /* maximum value for axis coordinate */
-/* limit axis to 256 possible positions to filter out noise */
-#define JOY_AXIS_THRESHOLD (((AXIS_MAX)-(AXIS_MIN))/256)
-#define JOY_BUTTON_FLAG(n) (1<<n)
-
-
-/* array to hold joystick ID values */
-static UINT SYS_JoystickID[MAX_JOYSTICKS];
-static JOYCAPSA SYS_Joystick[MAX_JOYSTICKS];
-static char *SYS_JoystickName[MAX_JOYSTICKS];
-
-/* The private structure used to keep track of a joystick */
-struct joystick_hwdata
-{
- /* joystick ID */
- UINT id;
-
- /* values used to translate device-specific coordinates into
- SDL-standard ranges */
- struct _transaxis
- {
- int offset;
- float scale;
- } transaxis[6];
-};
-
-/* Convert a Windows Multimedia API return code to a text message */
-static void SetMMerror(char *function, int code);
-
-
-static char *
-GetJoystickName(int index, const char *szRegKey)
-{
- /* added 7/24/2004 by Eckhard Stolberg */
- /*
- see if there is a joystick for the current
- index (1-16) listed in the registry
- */
- char *name = NULL;
- HKEY hTopKey;
- HKEY hKey;
- DWORD regsize;
- LONG regresult;
- char regkey[256];
- char regvalue[256];
- char regname[256];
-
- SDL_snprintf(regkey, SDL_arraysize(regkey), "%s\\%s\\%s",
- REGSTR_PATH_JOYCONFIG, szRegKey, REGSTR_KEY_JOYCURR);
- hTopKey = HKEY_LOCAL_MACHINE;
- regresult = RegOpenKeyExA(hTopKey, regkey, 0, KEY_READ, &hKey);
- if (regresult != ERROR_SUCCESS) {
- hTopKey = HKEY_CURRENT_USER;
- regresult = RegOpenKeyExA(hTopKey, regkey, 0, KEY_READ, &hKey);
- }
- if (regresult != ERROR_SUCCESS) {
- return NULL;
- }
-
- /* find the registry key name for the joystick's properties */
- regsize = sizeof(regname);
- SDL_snprintf(regvalue, SDL_arraysize(regvalue), "Joystick%d%s", index + 1,
- REGSTR_VAL_JOYOEMNAME);
- regresult =
- RegQueryValueExA(hKey, regvalue, 0, 0, (LPBYTE) regname, &regsize);
- RegCloseKey(hKey);
-
- if (regresult != ERROR_SUCCESS) {
- return NULL;
- }
-
- /* open that registry key */
- SDL_snprintf(regkey, SDL_arraysize(regkey), "%s\\%s", REGSTR_PATH_JOYOEM,
- regname);
- regresult = RegOpenKeyExA(hTopKey, regkey, 0, KEY_READ, &hKey);
- if (regresult != ERROR_SUCCESS) {
- return NULL;
- }
-
- /* find the size for the OEM name text */
- regsize = sizeof(regvalue);
- regresult =
- RegQueryValueExA(hKey, REGSTR_VAL_JOYOEMNAME, 0, 0, NULL, &regsize);
- if (regresult == ERROR_SUCCESS) {
- /* allocate enough memory for the OEM name text ... */
- name = (char *) SDL_malloc(regsize);
- if (name) {
- /* ... and read it from the registry */
- regresult = RegQueryValueExA(hKey,
- REGSTR_VAL_JOYOEMNAME, 0, 0,
- (LPBYTE) name, &regsize);
- }
- }
- RegCloseKey(hKey);
-
- return (name);
-}
-
-static int SDL_SYS_numjoysticks = 0;
-
-/* Function to scan the system for joysticks.
- * Joystick 0 should be the system default joystick.
- * It should return 0, or -1 on an unrecoverable fatal error.
- */
-int
-SDL_SYS_JoystickInit(void)
-{
- int i;
- int maxdevs;
- JOYINFOEX joyinfo;
- JOYCAPSA joycaps;
- MMRESULT result;
-
- /* Reset the joystick ID & name mapping tables */
- for (i = 0; i < MAX_JOYSTICKS; ++i) {
- SYS_JoystickID[i] = 0;
- SYS_JoystickName[i] = NULL;
- }
-
- /* Loop over all potential joystick devices */
- SDL_SYS_numjoysticks = 0;
- maxdevs = joyGetNumDevs();
- for (i = JOYSTICKID1; i < maxdevs && SDL_SYS_numjoysticks < MAX_JOYSTICKS; ++i) {
-
- joyinfo.dwSize = sizeof(joyinfo);
- joyinfo.dwFlags = JOY_RETURNALL;
- result = joyGetPosEx(i, &joyinfo);
- if (result == JOYERR_NOERROR) {
- result = joyGetDevCapsA(i, &joycaps, sizeof(joycaps));
- if (result == JOYERR_NOERROR) {
- SYS_JoystickID[SDL_SYS_numjoysticks] = i;
- SYS_Joystick[SDL_SYS_numjoysticks] = joycaps;
- SYS_JoystickName[SDL_SYS_numjoysticks] =
- GetJoystickName(i, joycaps.szRegKey);
- SDL_SYS_numjoysticks++;
- }
- }
- }
- return (SDL_SYS_numjoysticks);
-}
-
-int SDL_SYS_NumJoysticks()
-{
- return SDL_SYS_numjoysticks;
-}
-
-void SDL_SYS_JoystickDetect()
-{
-}
-
-/* Function to get the device-dependent name of a joystick */
-const char *
-SDL_SYS_JoystickNameForDeviceIndex(int device_index)
-{
- if (SYS_JoystickName[device_index] != NULL) {
- return (SYS_JoystickName[device_index]);
- } else {
- return (SYS_Joystick[device_index].szPname);
- }
-}
-
-/* Function to perform the mapping from device index to the instance id for this index */
-SDL_JoystickID SDL_SYS_GetInstanceIdOfDeviceIndex(int device_index)
-{
- return device_index;
-}
-
-/* Function to open a joystick for use.
- The joystick to open is specified by the device index.
- This should fill the nbuttons and naxes fields of the joystick structure.
- It returns 0, or -1 if there is an error.
- */
-int
-SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index)
-{
- int index, i;
- int caps_flags[MAX_AXES - 2] =
- { JOYCAPS_HASZ, JOYCAPS_HASR, JOYCAPS_HASU, JOYCAPS_HASV };
- int axis_min[MAX_AXES], axis_max[MAX_AXES];
-
-
- /* shortcut */
- index = device_index;
- axis_min[0] = SYS_Joystick[index].wXmin;
- axis_max[0] = SYS_Joystick[index].wXmax;
- axis_min[1] = SYS_Joystick[index].wYmin;
- axis_max[1] = SYS_Joystick[index].wYmax;
- axis_min[2] = SYS_Joystick[index].wZmin;
- axis_max[2] = SYS_Joystick[index].wZmax;
- axis_min[3] = SYS_Joystick[index].wRmin;
- axis_max[3] = SYS_Joystick[index].wRmax;
- axis_min[4] = SYS_Joystick[index].wUmin;
- axis_max[4] = SYS_Joystick[index].wUmax;
- axis_min[5] = SYS_Joystick[index].wVmin;
- axis_max[5] = SYS_Joystick[index].wVmax;
-
- /* allocate memory for system specific hardware data */
- joystick->instance_id = device_index;
- joystick->hwdata =
- (struct joystick_hwdata *) SDL_malloc(sizeof(*joystick->hwdata));
- if (joystick->hwdata == NULL) {
- return SDL_OutOfMemory();
- }
- SDL_memset(joystick->hwdata, 0, sizeof(*joystick->hwdata));
-
- /* set hardware data */
- joystick->hwdata->id = SYS_JoystickID[index];
- for (i = 0; i < MAX_AXES; ++i) {
- if ((i < 2) || (SYS_Joystick[index].wCaps & caps_flags[i - 2])) {
- joystick->hwdata->transaxis[i].offset = AXIS_MIN - axis_min[i];
- joystick->hwdata->transaxis[i].scale =
- (float) (AXIS_MAX - AXIS_MIN) / (axis_max[i] - axis_min[i]);
- } else {
- joystick->hwdata->transaxis[i].offset = 0;
- joystick->hwdata->transaxis[i].scale = 1.0; /* Just in case */
- }
- }
-
- /* fill nbuttons, naxes, and nhats fields */
- joystick->nbuttons = SYS_Joystick[index].wNumButtons;
- joystick->naxes = SYS_Joystick[index].wNumAxes;
- if (SYS_Joystick[index].wCaps & JOYCAPS_HASPOV) {
- joystick->nhats = 1;
- } else {
- joystick->nhats = 0;
- }
- return (0);
-}
-
-/* Function to determine if this joystick is attached to the system right now */
-SDL_bool SDL_SYS_JoystickAttached(SDL_Joystick *joystick)
-{
- return SDL_TRUE;
-}
-
-static Uint8
-TranslatePOV(DWORD value)
-{
- Uint8 pos;
-
- pos = SDL_HAT_CENTERED;
- if (value != JOY_POVCENTERED) {
- if ((value > JOY_POVLEFT) || (value < JOY_POVRIGHT)) {
- pos |= SDL_HAT_UP;
- }
- if ((value > JOY_POVFORWARD) && (value < JOY_POVBACKWARD)) {
- pos |= SDL_HAT_RIGHT;
- }
- if ((value > JOY_POVRIGHT) && (value < JOY_POVLEFT)) {
- pos |= SDL_HAT_DOWN;
- }
- if (value > JOY_POVBACKWARD) {
- pos |= SDL_HAT_LEFT;
- }
- }
- return (pos);
-}
-
-/* Function to update the state of a joystick - called as a device poll.
- * This function shouldn't update the joystick structure directly,
- * but instead should call SDL_PrivateJoystick*() to deliver events
- * and update joystick device state.
- */
-void
-SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
-{
- MMRESULT result;
- int i;
- DWORD flags[MAX_AXES] = { JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ,
- JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
- };
- DWORD pos[MAX_AXES];
- struct _transaxis *transaxis;
- int value, change;
- JOYINFOEX joyinfo;
-
- joyinfo.dwSize = sizeof(joyinfo);
- joyinfo.dwFlags = JOY_RETURNALL | JOY_RETURNPOVCTS;
- if (!joystick->hats) {
- joyinfo.dwFlags &= ~(JOY_RETURNPOV | JOY_RETURNPOVCTS);
- }
- result = joyGetPosEx(joystick->hwdata->id, &joyinfo);
- if (result != JOYERR_NOERROR) {
- SetMMerror("joyGetPosEx", result);
- return;
- }
-
- /* joystick motion events */
- pos[0] = joyinfo.dwXpos;
- pos[1] = joyinfo.dwYpos;
- pos[2] = joyinfo.dwZpos;
- pos[3] = joyinfo.dwRpos;
- pos[4] = joyinfo.dwUpos;
- pos[5] = joyinfo.dwVpos;
-
- transaxis = joystick->hwdata->transaxis;
- for (i = 0; i < joystick->naxes; i++) {
- if (joyinfo.dwFlags & flags[i]) {
- value =
- (int) (((float) pos[i] +
- transaxis[i].offset) * transaxis[i].scale);
- change = (value - joystick->axes[i]);
- if ((change < -JOY_AXIS_THRESHOLD)
- || (change > JOY_AXIS_THRESHOLD)) {
- SDL_PrivateJoystickAxis(joystick, (Uint8) i, (Sint16) value);
- }
- }
- }
-
- /* joystick button events */
- if (joyinfo.dwFlags & JOY_RETURNBUTTONS) {
- for (i = 0; i < joystick->nbuttons; ++i) {
- if (joyinfo.dwButtons & JOY_BUTTON_FLAG(i)) {
- if (!joystick->buttons[i]) {
- SDL_PrivateJoystickButton(joystick, (Uint8) i,
- SDL_PRESSED);
- }
- } else {
- if (joystick->buttons[i]) {
- SDL_PrivateJoystickButton(joystick, (Uint8) i,
- SDL_RELEASED);
- }
- }
- }
- }
-
- /* joystick hat events */
- if (joyinfo.dwFlags & JOY_RETURNPOV) {
- Uint8 pos;
-
- pos = TranslatePOV(joyinfo.dwPOV);
- if (pos != joystick->hats[0]) {
- SDL_PrivateJoystickHat(joystick, 0, pos);
- }
- }
-}
-
-/* Function to close a joystick after use */
-void
-SDL_SYS_JoystickClose(SDL_Joystick * joystick)
-{
- SDL_free(joystick->hwdata);
-}
-
-/* Function to perform any system-specific joystick related cleanup */
-void
-SDL_SYS_JoystickQuit(void)
-{
- int i;
- for (i = 0; i < MAX_JOYSTICKS; i++) {
- SDL_free(SYS_JoystickName[i]);
- SYS_JoystickName[i] = NULL;
- }
-}
-
-SDL_JoystickGUID SDL_SYS_JoystickGetDeviceGUID( int device_index )
-{
- SDL_JoystickGUID guid;
- /* the GUID is just the first 16 chars of the name for now */
- const char *name = SDL_SYS_JoystickNameForDeviceIndex( device_index );
- SDL_zero( guid );
- SDL_memcpy( &guid, name, SDL_min( sizeof(guid), SDL_strlen( name ) ) );
- return guid;
-}
-
-SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick)
-{
- SDL_JoystickGUID guid;
- /* the GUID is just the first 16 chars of the name for now */
- const char *name = joystick->name;
- SDL_zero( guid );
- SDL_memcpy( &guid, name, SDL_min( sizeof(guid), SDL_strlen( name ) ) );
- return guid;
-}
-
-
-/* implementation functions */
-void
-SetMMerror(char *function, int code)
-{
- static char *error;
- static char errbuf[1024];
-
- errbuf[0] = 0;
- switch (code) {
- case MMSYSERR_NODRIVER:
- error = "Joystick driver not present";
- break;
-
- case MMSYSERR_INVALPARAM:
- case JOYERR_PARMS:
- error = "Invalid parameter(s)";
- break;
-
- case MMSYSERR_BADDEVICEID:
- error = "Bad device ID";
- break;
-
- case JOYERR_UNPLUGGED:
- error = "Joystick not attached";
- break;
-
- case JOYERR_NOCANDO:
- error = "Can't capture joystick input";
- break;
-
- default:
- SDL_snprintf(errbuf, SDL_arraysize(errbuf),
- "%s: Unknown Multimedia system error: 0x%x",
- function, code);
- break;
- }
-
- if (!errbuf[0]) {
- SDL_snprintf(errbuf, SDL_arraysize(errbuf), "%s: %s", function,
- error);
- }
- SDL_SetError("%s", errbuf);
-}
-
-#endif /* SDL_JOYSTICK_WINMM */
-
-/* vi: set ts=4 sw=4 expandtab: */