mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-27 21:27:12 +00:00
112 lines
4.0 KiB
C
112 lines
4.0 KiB
C
/* RetroArch - A frontend for libretro.
|
|
* Copyright (C) 2013 - Jason Fetters
|
|
*
|
|
* RetroArch is free software: you can redistribute it and/or modify it under the terms
|
|
* of the GNU General Public License as published by the Free Software Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* RetroArch 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with RetroArch.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <IOKit/hid/IOHIDManager.h>
|
|
#include "../RetroArch/apple_input.h"
|
|
|
|
static IOHIDManagerRef g_hid_manager;
|
|
|
|
static void hid_input_callback(void* inContext, IOReturn inResult, void* inSender, IOHIDValueRef inIOHIDValueRef)
|
|
{
|
|
IOHIDElementRef element = IOHIDValueGetElement(inIOHIDValueRef);
|
|
|
|
uint32_t slot = (uint32_t)inContext;
|
|
if (slot >= 4)
|
|
return;
|
|
|
|
uint32_t type = IOHIDElementGetType(element);
|
|
uint32_t page = IOHIDElementGetUsagePage(element);
|
|
uint32_t use = IOHIDElementGetUsage(element);
|
|
|
|
if (type == 2 && page == 9)
|
|
{
|
|
CFIndex state = IOHIDValueGetIntegerValue(inIOHIDValueRef);
|
|
|
|
if (state) g_current_input_data.pad_buttons[slot] |= (1 << (use - 1));
|
|
else g_current_input_data.pad_buttons[slot] &= ~(1 << (use - 1));
|
|
}
|
|
else if (page == 1)
|
|
{
|
|
static const uint32_t axis_use_ids[4] = { 48, 49, 50, 53 };
|
|
for (int i = 0; i < 4; i ++)
|
|
{
|
|
if (use == axis_use_ids[i])
|
|
{
|
|
CFIndex min = IOHIDElementGetPhysicalMin(element);
|
|
CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
|
|
CFIndex state = IOHIDValueGetIntegerValue(inIOHIDValueRef) - min;
|
|
|
|
float val = (float)state / (float)max;
|
|
g_current_input_data.pad_axis[slot][i] = ((val * 2.0f) - 1.0f) * 32767.0f;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void hid_device_attached(void* inContext, IOReturn inResult, void* inSender, IOHIDDeviceRef inDevice)
|
|
{
|
|
IOHIDDeviceOpen(inDevice, kIOHIDOptionsTypeNone);
|
|
IOHIDDeviceScheduleWithRunLoop(inDevice, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
|
|
IOHIDDeviceRegisterInputValueCallback(inDevice, hid_input_callback, 0);
|
|
}
|
|
|
|
static void hid_device_removed(void* inContext, IOReturn inResult, void* inSender, IOHIDDeviceRef inDevice)
|
|
{
|
|
IOHIDDeviceClose(inDevice, kIOHIDOptionsTypeNone);
|
|
}
|
|
|
|
void osx_pad_init()
|
|
{
|
|
if (!g_hid_manager)
|
|
{
|
|
g_hid_manager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
|
|
|
|
CFMutableDictionaryRef matcher = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
|
|
uint32_t page = kHIDPage_GenericDesktop;
|
|
uint32_t use = kHIDUsage_GD_Joystick;
|
|
|
|
CFNumberRef pagen = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &page);
|
|
CFDictionarySetValue(matcher, CFSTR(kIOHIDDeviceUsagePageKey), pagen);
|
|
CFRelease(pagen);
|
|
|
|
CFNumberRef usen = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &use);
|
|
CFDictionarySetValue(matcher, CFSTR(kIOHIDDeviceUsageKey), usen);
|
|
CFRelease(usen);
|
|
|
|
IOHIDManagerSetDeviceMatching(g_hid_manager, matcher);
|
|
CFRelease(matcher);
|
|
|
|
IOHIDManagerRegisterDeviceMatchingCallback(g_hid_manager, hid_device_attached, 0);
|
|
IOHIDManagerRegisterDeviceRemovalCallback(g_hid_manager, hid_device_removed, 0);
|
|
IOHIDManagerScheduleWithRunLoop(g_hid_manager, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
|
|
|
|
IOHIDManagerOpen(g_hid_manager, kIOHIDOptionsTypeNone);
|
|
}
|
|
}
|
|
|
|
void osx_pad_quit()
|
|
{
|
|
if (g_hid_manager)
|
|
{
|
|
IOHIDManagerClose(g_hid_manager, kIOHIDOptionsTypeNone);
|
|
IOHIDManagerUnscheduleFromRunLoop(g_hid_manager, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
|
|
|
|
CFRelease(g_hid_manager);
|
|
}
|
|
|
|
g_hid_manager = 0;
|
|
}
|
|
|