+++ /dev/null
-//========================================================================
-// GLFW 3.4 Cocoa - www.glfw.org
-//------------------------------------------------------------------------
-// Copyright (c) 2009-2019 Camilla Löwy <elmindreda@glfw.org>
-// Copyright (c) 2012 Torsten Walluhn <tw@mad-cad.net>
-//
-// 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.
-//
-//========================================================================
-// It is fine to use C99 in this file because it will not be built with VS
-//========================================================================
-
-#include "internal.h"
-
-#include <unistd.h>
-#include <ctype.h>
-#include <string.h>
-
-#include <mach/mach.h>
-#include <mach/mach_error.h>
-
-#include <CoreFoundation/CoreFoundation.h>
-#include <Kernel/IOKit/hidsystem/IOHIDUsageTables.h>
-
-
-// Joystick element information
-//
-typedef struct _GLFWjoyelementNS
-{
- IOHIDElementRef native;
- uint32_t usage;
- int index;
- long minimum;
- long maximum;
-
-} _GLFWjoyelementNS;
-
-
-// Returns the value of the specified element of the specified joystick
-//
-static long getElementValue(_GLFWjoystick* js, _GLFWjoyelementNS* element)
-{
- IOHIDValueRef valueRef;
- long value = 0;
-
- if (js->ns.device)
- {
- if (IOHIDDeviceGetValue(js->ns.device,
- element->native,
- &valueRef) == kIOReturnSuccess)
- {
- value = IOHIDValueGetIntegerValue(valueRef);
- }
- }
-
- return value;
-}
-
-// Comparison function for matching the SDL element order
-//
-static CFComparisonResult compareElements(const void* fp,
- const void* sp,
- void* user)
-{
- const _GLFWjoyelementNS* fe = fp;
- const _GLFWjoyelementNS* se = sp;
- if (fe->usage < se->usage)
- return kCFCompareLessThan;
- if (fe->usage > se->usage)
- return kCFCompareGreaterThan;
- if (fe->index < se->index)
- return kCFCompareLessThan;
- if (fe->index > se->index)
- return kCFCompareGreaterThan;
- return kCFCompareEqualTo;
-}
-
-// Removes the specified joystick
-//
-static void closeJoystick(_GLFWjoystick* js)
-{
- int i;
-
- if (!js->present)
- return;
-
- for (i = 0; i < CFArrayGetCount(js->ns.axes); i++)
- free((void*) CFArrayGetValueAtIndex(js->ns.axes, i));
- CFRelease(js->ns.axes);
-
- for (i = 0; i < CFArrayGetCount(js->ns.buttons); i++)
- free((void*) CFArrayGetValueAtIndex(js->ns.buttons, i));
- CFRelease(js->ns.buttons);
-
- for (i = 0; i < CFArrayGetCount(js->ns.hats); i++)
- free((void*) CFArrayGetValueAtIndex(js->ns.hats, i));
- CFRelease(js->ns.hats);
-
- _glfwFreeJoystick(js);
- _glfwInputJoystick(js, GLFW_DISCONNECTED);
-}
-
-// Callback for user-initiated joystick addition
-//
-static void matchCallback(void* context,
- IOReturn result,
- void* sender,
- IOHIDDeviceRef device)
-{
- int jid;
- char name[256];
- char guid[33];
- CFIndex i;
- CFTypeRef property;
- uint32_t vendor = 0, product = 0, version = 0;
- _GLFWjoystick* js;
- CFMutableArrayRef axes, buttons, hats;
-
- for (jid = 0; jid <= GLFW_JOYSTICK_LAST; jid++)
- {
- if (_glfw.joysticks[jid].ns.device == device)
- return;
- }
-
- axes = CFArrayCreateMutable(NULL, 0, NULL);
- buttons = CFArrayCreateMutable(NULL, 0, NULL);
- hats = CFArrayCreateMutable(NULL, 0, NULL);
-
- property = IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductKey));
- if (property)
- {
- CFStringGetCString(property,
- name,
- sizeof(name),
- kCFStringEncodingUTF8);
- }
- else
- strncpy(name, "Unknown", sizeof(name));
-
- property = IOHIDDeviceGetProperty(device, CFSTR(kIOHIDVendorIDKey));
- if (property)
- CFNumberGetValue(property, kCFNumberSInt32Type, &vendor);
-
- property = IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductIDKey));
- if (property)
- CFNumberGetValue(property, kCFNumberSInt32Type, &product);
-
- property = IOHIDDeviceGetProperty(device, CFSTR(kIOHIDVersionNumberKey));
- if (property)
- CFNumberGetValue(property, kCFNumberSInt32Type, &version);
-
- // Generate a joystick GUID that matches the SDL 2.0.5+ one
- if (vendor && product)
- {
- sprintf(guid, "03000000%02x%02x0000%02x%02x0000%02x%02x0000",
- (uint8_t) vendor, (uint8_t) (vendor >> 8),
- (uint8_t) product, (uint8_t) (product >> 8),
- (uint8_t) version, (uint8_t) (version >> 8));
- }
- else
- {
- sprintf(guid, "05000000%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x00",
- name[0], name[1], name[2], name[3],
- name[4], name[5], name[6], name[7],
- name[8], name[9], name[10]);
- }
-
- CFArrayRef elements =
- IOHIDDeviceCopyMatchingElements(device, NULL, kIOHIDOptionsTypeNone);
-
- for (i = 0; i < CFArrayGetCount(elements); i++)
- {
- IOHIDElementRef native = (IOHIDElementRef)
- CFArrayGetValueAtIndex(elements, i);
- if (CFGetTypeID(native) != IOHIDElementGetTypeID())
- continue;
-
- const IOHIDElementType type = IOHIDElementGetType(native);
- if ((type != kIOHIDElementTypeInput_Axis) &&
- (type != kIOHIDElementTypeInput_Button) &&
- (type != kIOHIDElementTypeInput_Misc))
- {
- continue;
- }
-
- CFMutableArrayRef target = NULL;
-
- const uint32_t usage = IOHIDElementGetUsage(native);
- const uint32_t page = IOHIDElementGetUsagePage(native);
- if (page == kHIDPage_GenericDesktop)
- {
- switch (usage)
- {
- case kHIDUsage_GD_X:
- case kHIDUsage_GD_Y:
- case kHIDUsage_GD_Z:
- case kHIDUsage_GD_Rx:
- case kHIDUsage_GD_Ry:
- case kHIDUsage_GD_Rz:
- case kHIDUsage_GD_Slider:
- case kHIDUsage_GD_Dial:
- case kHIDUsage_GD_Wheel:
- target = axes;
- break;
- case kHIDUsage_GD_Hatswitch:
- target = hats;
- break;
- case kHIDUsage_GD_DPadUp:
- case kHIDUsage_GD_DPadRight:
- case kHIDUsage_GD_DPadDown:
- case kHIDUsage_GD_DPadLeft:
- case kHIDUsage_GD_SystemMainMenu:
- case kHIDUsage_GD_Select:
- case kHIDUsage_GD_Start:
- target = buttons;
- break;
- }
- }
- else if (page == kHIDPage_Simulation)
- {
- switch (usage)
- {
- case kHIDUsage_Sim_Accelerator:
- case kHIDUsage_Sim_Brake:
- case kHIDUsage_Sim_Throttle:
- case kHIDUsage_Sim_Rudder:
- case kHIDUsage_Sim_Steering:
- target = axes;
- break;
- }
- }
- else if (page == kHIDPage_Button || page == kHIDPage_Consumer)
- target = buttons;
-
- if (target)
- {
- _GLFWjoyelementNS* element = calloc(1, sizeof(_GLFWjoyelementNS));
- element->native = native;
- element->usage = usage;
- element->index = (int) CFArrayGetCount(target);
- element->minimum = IOHIDElementGetLogicalMin(native);
- element->maximum = IOHIDElementGetLogicalMax(native);
- CFArrayAppendValue(target, element);
- }
- }
-
- CFRelease(elements);
-
- CFArraySortValues(axes, CFRangeMake(0, CFArrayGetCount(axes)),
- compareElements, NULL);
- CFArraySortValues(buttons, CFRangeMake(0, CFArrayGetCount(buttons)),
- compareElements, NULL);
- CFArraySortValues(hats, CFRangeMake(0, CFArrayGetCount(hats)),
- compareElements, NULL);
-
- js = _glfwAllocJoystick(name, guid,
- (int) CFArrayGetCount(axes),
- (int) CFArrayGetCount(buttons),
- (int) CFArrayGetCount(hats));
-
- js->ns.device = device;
- js->ns.axes = axes;
- js->ns.buttons = buttons;
- js->ns.hats = hats;
-
- _glfwInputJoystick(js, GLFW_CONNECTED);
-}
-
-// Callback for user-initiated joystick removal
-//
-static void removeCallback(void* context,
- IOReturn result,
- void* sender,
- IOHIDDeviceRef device)
-{
- int jid;
-
- for (jid = 0; jid <= GLFW_JOYSTICK_LAST; jid++)
- {
- if (_glfw.joysticks[jid].ns.device == device)
- {
- closeJoystick(_glfw.joysticks + jid);
- break;
- }
- }
-}
-
-
-//////////////////////////////////////////////////////////////////////////
-////// GLFW platform API //////
-//////////////////////////////////////////////////////////////////////////
-
-GLFWbool _glfwPlatformInitJoysticks(void)
-{
- CFMutableArrayRef matching;
- const long usages[] =
- {
- kHIDUsage_GD_Joystick,
- kHIDUsage_GD_GamePad,
- kHIDUsage_GD_MultiAxisController
- };
-
- _glfw.ns.hidManager = IOHIDManagerCreate(kCFAllocatorDefault,
- kIOHIDOptionsTypeNone);
-
- matching = CFArrayCreateMutable(kCFAllocatorDefault,
- 0,
- &kCFTypeArrayCallBacks);
- if (!matching)
- {
- _glfwInputError(GLFW_PLATFORM_ERROR, "Cocoa: Failed to create array");
- return GLFW_FALSE;
- }
-
- for (size_t i = 0; i < sizeof(usages) / sizeof(long); i++)
- {
- const long page = kHIDPage_GenericDesktop;
-
- CFMutableDictionaryRef dict =
- CFDictionaryCreateMutable(kCFAllocatorDefault,
- 0,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks);
- if (!dict)
- continue;
-
- CFNumberRef pageRef = CFNumberCreate(kCFAllocatorDefault,
- kCFNumberLongType,
- &page);
- CFNumberRef usageRef = CFNumberCreate(kCFAllocatorDefault,
- kCFNumberLongType,
- &usages[i]);
- if (pageRef && usageRef)
- {
- CFDictionarySetValue(dict,
- CFSTR(kIOHIDDeviceUsagePageKey),
- pageRef);
- CFDictionarySetValue(dict,
- CFSTR(kIOHIDDeviceUsageKey),
- usageRef);
- CFArrayAppendValue(matching, dict);
- }
-
- if (pageRef)
- CFRelease(pageRef);
- if (usageRef)
- CFRelease(usageRef);
-
- CFRelease(dict);
- }
-
- IOHIDManagerSetDeviceMatchingMultiple(_glfw.ns.hidManager, matching);
- CFRelease(matching);
-
- IOHIDManagerRegisterDeviceMatchingCallback(_glfw.ns.hidManager,
- &matchCallback, NULL);
- IOHIDManagerRegisterDeviceRemovalCallback(_glfw.ns.hidManager,
- &removeCallback, NULL);
- IOHIDManagerScheduleWithRunLoop(_glfw.ns.hidManager,
- CFRunLoopGetMain(),
- kCFRunLoopDefaultMode);
- IOHIDManagerOpen(_glfw.ns.hidManager, kIOHIDOptionsTypeNone);
-
- // Execute the run loop once in order to register any initially-attached
- // joysticks
- CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, false);
- return GLFW_TRUE;
-}
-
-void _glfwPlatformTerminateJoysticks(void)
-{
- int jid;
-
- for (jid = 0; jid <= GLFW_JOYSTICK_LAST; jid++)
- closeJoystick(_glfw.joysticks + jid);
-
- if (_glfw.ns.hidManager)
- {
- CFRelease(_glfw.ns.hidManager);
- _glfw.ns.hidManager = NULL;
- }
-}
-
-
-int _glfwPlatformPollJoystick(_GLFWjoystick* js, int mode)
-{
- if (mode & _GLFW_POLL_AXES)
- {
- CFIndex i;
-
- for (i = 0; i < CFArrayGetCount(js->ns.axes); i++)
- {
- _GLFWjoyelementNS* axis = (_GLFWjoyelementNS*)
- CFArrayGetValueAtIndex(js->ns.axes, i);
-
- const long raw = getElementValue(js, axis);
- // Perform auto calibration
- if (raw < axis->minimum)
- axis->minimum = raw;
- if (raw > axis->maximum)
- axis->maximum = raw;
-
- const long size = axis->maximum - axis->minimum;
- if (size == 0)
- _glfwInputJoystickAxis(js, (int) i, 0.f);
- else
- {
- const float value = (2.f * (raw - axis->minimum) / size) - 1.f;
- _glfwInputJoystickAxis(js, (int) i, value);
- }
- }
- }
-
- if (mode & _GLFW_POLL_BUTTONS)
- {
- CFIndex i;
-
- for (i = 0; i < CFArrayGetCount(js->ns.buttons); i++)
- {
- _GLFWjoyelementNS* button = (_GLFWjoyelementNS*)
- CFArrayGetValueAtIndex(js->ns.buttons, i);
- const char value = getElementValue(js, button) - button->minimum;
- const int state = (value > 0) ? GLFW_PRESS : GLFW_RELEASE;
- _glfwInputJoystickButton(js, (int) i, state);
- }
-
- for (i = 0; i < CFArrayGetCount(js->ns.hats); i++)
- {
- const int states[9] =
- {
- GLFW_HAT_UP,
- GLFW_HAT_RIGHT_UP,
- GLFW_HAT_RIGHT,
- GLFW_HAT_RIGHT_DOWN,
- GLFW_HAT_DOWN,
- GLFW_HAT_LEFT_DOWN,
- GLFW_HAT_LEFT,
- GLFW_HAT_LEFT_UP,
- GLFW_HAT_CENTERED
- };
-
- _GLFWjoyelementNS* hat = (_GLFWjoyelementNS*)
- CFArrayGetValueAtIndex(js->ns.hats, i);
- long state = getElementValue(js, hat) - hat->minimum;
- if (state < 0 || state > 8)
- state = 8;
-
- _glfwInputJoystickHat(js, (int) i, states[state]);
- }
- }
-
- return js->present;
-}
-
-void _glfwPlatformUpdateGamepadGUID(char* guid)
-{
- if ((strncmp(guid + 4, "000000000000", 12) == 0) &&
- (strncmp(guid + 20, "000000000000", 12) == 0))
- {
- char original[33];
- strncpy(original, guid, sizeof(original) - 1);
- sprintf(guid, "03000000%.4s0000%.4s000000000000",
- original, original + 16);
- }
-}
-
projects / pistorm / blobdiff