/*
* Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3.0 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* version 3.0 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3.0 along with this program. If not, see
* <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#import "OHEvdevGameControllerProfile.h"
#import "OFDictionary.h"
#import "OHGameControllerAxis.h"
#import "OHGameControllerButton.h"
#import "OHGameControllerElement.h"
#import "OHGameControllerElement+Private.h"
#include <linux/input.h>
#import "evdev_compat.h"
static OFString *
buttonToName(uint16_t button, uint16_t vendorID, uint16_t productID)
{
switch (button) {
case BTN_A:
return @"A";
case BTN_B:
return @"B";
case BTN_C:
return @"C";
case BTN_X:
return @"X";
case BTN_Y:
return @"Y";
case BTN_Z:
return @"Z";
case BTN_TL:
return @"LB";
case BTN_TR:
return @"RB";
case BTN_TL2:
return @"LT";
case BTN_TR2:
return @"RT";
case BTN_SELECT:
return @"Back";
case BTN_START:
return @"Start";
case BTN_MODE:
return @"Guide";
case BTN_THUMBL:
return @"LSB";
case BTN_THUMBR:
return @"RSB";
case BTN_DPAD_UP:
return @"D-Pad Up";
case BTN_DPAD_DOWN:
return @"D-Pad Down";
case BTN_DPAD_LEFT:
return @"D-Pad Left";
case BTN_DPAD_RIGHT:
return @"D-Pad Right";
case BTN_TRIGGER_HAPPY1:
return @"Trigger Happy 1";
case BTN_TRIGGER_HAPPY2:
return @"Trigger Happy 2";
case BTN_TRIGGER_HAPPY3:
return @"Trigger Happy 3";
case BTN_TRIGGER_HAPPY4:
return @"Trigger Happy 4";
case BTN_TRIGGER_HAPPY5:
return @"Trigger Happy 5";
case BTN_TRIGGER_HAPPY6:
return @"Trigger Happy 6";
case BTN_TRIGGER_HAPPY7:
return @"Trigger Happy 7";
case BTN_TRIGGER_HAPPY8:
return @"Trigger Happy 8";
case BTN_TRIGGER_HAPPY9:
return @"Trigger Happy 9";
case BTN_TRIGGER_HAPPY10:
return @"Trigger Happy 10";
case BTN_TRIGGER_HAPPY11:
return @"Trigger Happy 11";
case BTN_TRIGGER_HAPPY12:
return @"Trigger Happy 12";
case BTN_TRIGGER_HAPPY13:
return @"Trigger Happy 13";
case BTN_TRIGGER_HAPPY14:
return @"Trigger Happy 14";
case BTN_TRIGGER_HAPPY15:
return @"Trigger Happy 15";
case BTN_TRIGGER_HAPPY16:
return @"Trigger Happy 16";
case BTN_TRIGGER_HAPPY17:
return @"Trigger Happy 17";
case BTN_TRIGGER_HAPPY18:
return @"Trigger Happy 18";
case BTN_TRIGGER_HAPPY19:
return @"Trigger Happy 19";
case BTN_TRIGGER_HAPPY20:
return @"Trigger Happy 20";
case BTN_TRIGGER_HAPPY21:
return @"Trigger Happy 21";
case BTN_TRIGGER_HAPPY22:
return @"Trigger Happy 22";
case BTN_TRIGGER_HAPPY23:
return @"Trigger Happy 23";
case BTN_TRIGGER_HAPPY24:
return @"Trigger Happy 24";
case BTN_TRIGGER_HAPPY25:
return @"Trigger Happy 25";
case BTN_TRIGGER_HAPPY26:
return @"Trigger Happy 26";
case BTN_TRIGGER_HAPPY27:
return @"Trigger Happy 27";
case BTN_TRIGGER_HAPPY28:
return @"Trigger Happy 28";
case BTN_TRIGGER_HAPPY29:
return @"Trigger Happy 29";
case BTN_TRIGGER_HAPPY30:
return @"Trigger Happy 30";
case BTN_TRIGGER_HAPPY31:
return @"Trigger Happy 31";
case BTN_TRIGGER_HAPPY32:
return @"Trigger Happy 32";
case BTN_TRIGGER_HAPPY33:
return @"Trigger Happy 33";
case BTN_TRIGGER_HAPPY34:
return @"Trigger Happy 34";
case BTN_TRIGGER_HAPPY35:
return @"Trigger Happy 35";
case BTN_TRIGGER_HAPPY36:
return @"Trigger Happy 36";
case BTN_TRIGGER_HAPPY37:
return @"Trigger Happy 37";
case BTN_TRIGGER_HAPPY38:
return @"Trigger Happy 38";
case BTN_TRIGGER_HAPPY39:
return @"Trigger Happy 39";
case BTN_TRIGGER_HAPPY40:
return @"Trigger Happy 40";
default:
return nil;
}
}
static OFString *
axisToName(uint16_t axis)
{
switch (axis) {
case ABS_X:
return @"X";
case ABS_Y:
return @"Y";
case ABS_Z:
return @"Z";
case ABS_RX:
return @"RX";
case ABS_RY:
return @"RY";
case ABS_RZ:
return @"RZ";
case ABS_THROTTLE:
return @"Throttle";
case ABS_RUDDER:
return @"Rudder";
case ABS_WHEEL:
return @"Wheel";
case ABS_GAS:
return @"Gas";
case ABS_BRAKE:
return @"Brake";
case ABS_HAT0X:
return @"HAT0X";
case ABS_HAT0Y:
return @"HAT0Y";
case ABS_HAT1X:
return @"HAT1X";
case ABS_HAT1Y:
return @"HAT1Y";
case ABS_HAT2X:
return @"HAT2X";
case ABS_HAT2Y:
return @"HAT2Y";
case ABS_HAT3X:
return @"HAT3X";
case ABS_HAT3Y:
return @"HAT3Y";
default:
return nil;
}
}
@implementation OHEvdevGameControllerProfile
@synthesize buttons = _buttons, axes = _axes;
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)oh_initWithKeyBits: (unsigned long *)keyBits
evBits: (unsigned long *)evBits
absBits: (unsigned long *)absBits
vendorID: (uint16_t)vendorID
productID: (uint16_t)productID
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
OFMutableDictionary *buttons, *axes;
buttons = [OFMutableDictionary dictionary];
for (size_t i = 0; i < OHNumEvdevButtonIDs; i++) {
if (OFBitSetIsSet(keyBits, OHEvdevButtonIDs[i])) {
OFString *buttonName;
OHGameControllerButton *button;
buttonName = buttonToName(OHEvdevButtonIDs[i],
vendorID, productID);
if (buttonName == nil)
continue;
button = [OHGameControllerButton
oh_elementWithName: buttonName
analog: false];
[buttons setObject: button forKey: buttonName];
}
}
[buttons makeImmutable];
axes = [OFMutableDictionary dictionary];
if (OFBitSetIsSet(evBits, EV_ABS)) {
for (size_t i = 0; i < OHNumEvdevAxisIDs; i++) {
if (OFBitSetIsSet(absBits, OHEvdevAxisIDs[i])) {
OFString *axisName;
OHGameControllerAxis *axis;
axisName =
axisToName(OHEvdevAxisIDs[i]);
if (axisName == nil)
continue;
axis = [OHGameControllerAxis
oh_elementWithName: axisName
analog: true];
[axes setObject: axis forKey: axisName];
}
}
}
[axes makeImmutable];
_buttons = [buttons retain];
_axes = [axes retain];
_vendorID = vendorID;
_productID = productID;
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_buttons release];
[_axes release];
[super dealloc];
}
- (OFDictionary OF_GENERIC(OFString *, OHGameControllerDirectionalPad *) *)
directionalPads
{
return [OFDictionary dictionary];
}
- (OHGameControllerButton *)oh_buttonForEvdevButton: (uint16_t)button
{
OFString *name;
if ((name = buttonToName(button, _vendorID, _productID)) == nil)
return nil;
return [_buttons objectForKey: name];
}
- (OHGameControllerAxis *)oh_axisForEvdevAxis: (uint16_t)axis
{
OFString *name;
if ((name = axisToName(axis)) == nil)
return nil;
return [_axes objectForKey: name];
}
@end