/*
* Copyright (c) 2008-2025 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 "OHLeftJoyCon.h"
#import "OHLeftJoyCon+Private.h"
#import "OFDictionary.h"
#ifdef HAVE_GAMECONTROLLER_GAMECONTROLLER_H
# import "OFString+NSObject.h"
#endif
#import "OHGameControllerAxis.h"
#import "OHGameControllerAxis+Private.h"
#import "OHGameControllerButton.h"
#import "OHGameControllerDirectionalPad.h"
#import "OHGameControllerDirectionalPad+Private.h"
#import "OHGameControllerElement.h"
#import "OHGameControllerElement+Private.h"
#if defined(OF_LINUX) && defined(OF_HAVE_FILES)
# include <linux/input.h>
# import "evdev_compat.h"
#endif
static OFString *const buttonNames[] = {
@"North", @"South", @"West", @"East", @"SL", @"SR", @"-",
#ifndef HAVE_GAMECONTROLLER_GAMECONTROLLER_H
/* GameController.framework doesn't expose a lot of buttons. */
@"L", @"ZL", @"Left Thumbstick", @"Capture"
#endif
};
static const size_t numButtons = sizeof(buttonNames) / sizeof(*buttonNames);
#ifdef HAVE_GAMECONTROLLER_GAMECONTROLLER_H
static OFDictionary<OFString *, NSString *> *buttonsMap;
static OFDictionary<OFString *, NSString *> *directionalPadsMap;
#endif
@implementation OHLeftJoyCon
@synthesize buttons = _buttons, directionalPads = _directionalPads;
#ifdef HAVE_GAMECONTROLLER_GAMECONTROLLER_H
+ (void)initialize
{
void *pool;
if (self != [OHLeftJoyCon class])
return;
pool = objc_autoreleasePoolPush();
buttonsMap = [[OFDictionary alloc] initWithKeysAndObjects:
@"North", @"Button Y".NSObject,
@"South", @"Button A".NSObject,
@"West", @"Button B".NSObject,
@"East", @"Button X".NSObject,
@"SL", @"Left Shoulder".NSObject,
@"SR", @"Right Shoulder".NSObject,
@"-", @"Button Menu".NSObject,
nil];
directionalPadsMap = [[OFDictionary alloc] initWithKeysAndObjects:
@"Left Thumbstick", @"Direction Pad".NSObject,
nil];
objc_autoreleasePoolPop(pool);
}
#endif
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)oh_init
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
OFMutableDictionary *buttons =
[OFMutableDictionary dictionaryWithCapacity: numButtons];
OHGameControllerAxis *xAxis, *yAxis;
OHGameControllerDirectionalPad *directionalPad;
for (size_t i = 0; i < numButtons; i++) {
OHGameControllerButton *button = [OHGameControllerButton
oh_elementWithName: buttonNames[i]
analog: false];
[buttons setObject: button forKey: buttonNames[i]];
}
[buttons makeImmutable];
_buttons = [buttons copy];
xAxis = [OHGameControllerAxis
oh_elementWithName: @"Left Thumbstick X"
analog: true];
yAxis = [OHGameControllerAxis
oh_elementWithName: @"Left Thumbstick Y"
analog: true];
#if defined(OF_LINUX) && defined(OF_HAVE_FILES)
yAxis.oh_inverted = true;
#endif
directionalPad = [OHGameControllerDirectionalPad
oh_padWithName: @"Left Thumbstick"
xAxis: xAxis
yAxis: yAxis
analog: true];
_directionalPads = [[OFDictionary alloc]
initWithObject: directionalPad
forKey: @"Left Thumbstick"];
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_buttons release];
[_directionalPads release];
[super dealloc];
}
- (OFDictionary OF_GENERIC(OFString *, OHGameControllerAxis *) *)axes
{
return [OFDictionary dictionary];
}
#if defined(OF_LINUX) && defined(OF_HAVE_FILES)
- (OHGameControllerButton *)oh_buttonForEvdevButton: (uint16_t)button
{
switch (button) {
case BTN_DPAD_UP:
return [_buttons objectForKey: @"West"];
case BTN_DPAD_DOWN:
return [_buttons objectForKey: @"East"];
case BTN_DPAD_LEFT:
return [_buttons objectForKey: @"South"];
case BTN_DPAD_RIGHT:
return [_buttons objectForKey: @"North"];
case BTN_TL:
return [_buttons objectForKey: @"L"];
case BTN_TL2:
return [_buttons objectForKey: @"ZL"];
case BTN_THUMBL:
return [_buttons objectForKey: @"Left Thumbstick"];
case BTN_SELECT:
return [_buttons objectForKey: @"-"];
case BTN_Z:
return [_buttons objectForKey: @"Capture"];
case BTN_TR:
return [_buttons objectForKey: @"SL"];
case BTN_TR2:
return [_buttons objectForKey: @"SR"];
}
return nil;
}
- (OHGameControllerAxis *)oh_axisForEvdevAxis: (uint16_t)axis
{
switch (axis) {
case ABS_X:
return [[_directionalPads objectForKey: @"Left Thumbstick"]
yAxis];
case ABS_Y:
return [[_directionalPads objectForKey: @"Left Thumbstick"]
xAxis];
}
return nil;
}
#endif
#ifdef HAVE_GAMECONTROLLER_GAMECONTROLLER_H
- (OFDictionary<OFString *, NSString *> *)oh_buttonsMap
{
return buttonsMap;
}
- (OFDictionary<OFString *, NSString *> *)oh_axesMap
{
return [OFDictionary dictionary];
}
- (OFDictionary<OFString *, NSString *> *)oh_directionalPadsMap
{
return directionalPadsMap;
}
#endif
@end