initial commit, 4.5 stable

thirdparty/sdl/joystick/darwin/SDL_iokitjoystick_c.h

@@ -0,0 +1,80 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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"
+
+#ifndef SDL_JOYSTICK_IOKIT_H
+#define SDL_JOYSTICK_IOKIT_H
+
+#include <IOKit/hid/IOHIDLib.h>
+#include <ForceFeedback/ForceFeedback.h>
+#include <ForceFeedback/ForceFeedbackConstants.h>
+
+struct recElement
+{
+    IOHIDElementRef elementRef;
+    IOHIDElementCookie cookie;
+    uint32_t usagePage, usage; // HID usage
+    SInt32 min;                // reported min value possible
+    SInt32 max;                // reported max value possible
+
+    // runtime variables used for auto-calibration
+    SInt32 minReport; // min returned value
+    SInt32 maxReport; // max returned value
+
+    struct recElement *pNext; // next element in list
+};
+typedef struct recElement recElement;
+
+struct joystick_hwdata
+{
+    IOHIDDeviceRef deviceRef; // HIDManager device handle
+    io_service_t ffservice;   // Interface for force feedback, 0 = no ff
+    FFDeviceObjectReference ffdevice;
+    FFEFFECT *ffeffect;
+    FFEffectObjectReference ffeffect_ref;
+    bool ff_initialized;
+
+    char product[256];  // name of product
+    uint32_t usage;     // usage page from IOUSBHID Parser.h which defines general usage
+    uint32_t usagePage; // usage within above page from IOUSBHID Parser.h which defines specific usage
+
+    int axes;     // number of axis (calculated, not reported by device)
+    int buttons;  // number of buttons (calculated, not reported by device)
+    int hats;     // number of hat switches (calculated, not reported by device)
+    int elements; // number of total elements (should be total of above) (calculated, not reported by device)
+
+    recElement *firstAxis;
+    recElement *firstButton;
+    recElement *firstHat;
+
+    bool removed;
+    SDL_Joystick *joystick;
+    bool runLoopAttached; // is 'deviceRef' attached to a CFRunLoop?
+
+    int instance_id;
+    SDL_GUID guid;
+    int steam_virtual_gamepad_slot;
+
+    struct joystick_hwdata *pNext; // next device
+};
+typedef struct joystick_hwdata recDevice;
+
+#endif // SDL_JOYSTICK_IOKIT_H