const std = @import("std");
pub const c = @import("c.zig").c;

pub const PenID = packed struct(u32) {
    pad0: u31 = 0,
    rsvd: bool = false,

    pub const None = PenID{};
};

pub const WindowID = u32;

pub const AudioDeviceID = u32;

pub const DisplayID = u32;

pub const CameraID = u32;

pub const PenInputFlags = packed struct(u32) {
    penInputDown: bool = false, // pen is pressed down
    penInputButton1: bool = false, // button 1 is pressed
    penInputButton2: bool = false, // button 2 is pressed
    penInputButton3: bool = false, // button 3 is pressed
    penInputButton4: bool = false, // button 4 is pressed
    penInputButton5: bool = false, // button 5 is pressed
    penInputEraserTip: bool = false, // eraser tip is used
    pad0: u24 = 0,
    rsvd: bool = false,

    pub const None = PenInputFlags{};
};

pub const MouseButtonFlags = packed struct(u32) {
    buttonLeft: bool = false,
    buttonMiddle: bool = false,
    buttonX1: bool = false,
    pad0: u28 = 0,
    rsvd: bool = false,

    pub const None = MouseButtonFlags{};
    pub const ButtonRight: MouseButtonFlags = @bitCast(@as(u32, 3));
    pub const ButtonX2: MouseButtonFlags = @bitCast(@as(u32, 5));
};

pub const Scancode = enum(c_int) {
    scancodeBackslash = 49,
    scancodeNonushash = 50,
    scancodeGrave = 53,
    scancodeInsert = 73,
    scancodeNumlockclear = 83,
    scancodeNonusbackslash = 100,
    scancodeApplication = 101, //windows contextual menu, compose
    scancodePower = 102,
    scancodeHelp = 117, //AL Integrated Help Center
    scancodeMenu = 118, //Menu (show menu)
    scancodeStop = 120, //AC Stop
    scancodeAgain = 121, //AC Redo/Repeat
    scancodeUndo = 122, //AC Undo
    scancodeCut = 123, //AC Cut
    scancodeCopy = 124, //AC Copy
    scancodePaste = 125, //AC Paste
    scancodeFind = 126, //AC Find
    scancodeInternational1 = 135,
    scancodeInternational3 = 137, //Yen
    scancodeLang1 = 144, //Hangul/English toggle
    scancodeLang2 = 145, //Hanja conversion
    scancodeLang3 = 146, //Katakana
    scancodeLang4 = 147, //Hiragana
    scancodeLang5 = 148, //Zenkaku/Hankaku
    scancodeLang6 = 149, //reserved
    scancodeLang7 = 150, //reserved
    scancodeLang8 = 151, //reserved
    scancodeLang9 = 152, //reserved
    scancodeAlterase = 153, //Erase-Eaze
    scancodeCancel = 155, //AC Cancel
    scancodeLalt = 226, //alt, option
    scancodeLgui = 227, //windows, command (apple), meta
    scancodeRalt = 230, //alt gr, option
    scancodeRgui = 231, //windows, command (apple), meta
    scancodeMode = 257,
    scancodeSleep = 258, //Sleep
    scancodeWake = 259, //Wake
    scancodeChannelIncrement = 260, //Channel Increment
    scancodeChannelDecrement = 261, //Channel Decrement
    scancodeMediaPlay = 262, //Play
    scancodeMediaPause = 263, //Pause
    scancodeMediaRecord = 264, //Record
    scancodeMediaFastForward = 265, //Fast Forward
    scancodeMediaRewind = 266, //Rewind
    scancodeMediaNextTrack = 267, //Next Track
    scancodeMediaPreviousTrack = 268, //Previous Track
    scancodeMediaStop = 269, //Stop
    scancodeMediaEject = 270, //Eject
    scancodeMediaPlayPause = 271, //Play / Pause
    scancodeMediaSelect = 272,
    scancodeAcNew = 273, //AC New
    scancodeAcOpen = 274, //AC Open
    scancodeAcClose = 275, //AC Close
    scancodeAcExit = 276, //AC Exit
    scancodeAcSave = 277, //AC Save
    scancodeAcPrint = 278, //AC Print
    scancodeAcProperties = 279, //AC Properties
    scancodeAcSearch = 280, //AC Search
    scancodeAcHome = 281, //AC Home
    scancodeAcBack = 282, //AC Back
    scancodeAcForward = 283, //AC Forward
    scancodeAcStop = 284, //AC Stop
    scancodeAcRefresh = 285, //AC Refresh
    scancodeAcBookmarks = 286, //AC Bookmarks
    scancodeSoftleft = 287,
    scancodeSoftright = 288,
    scancodeCall = 289, //Used for accepting phone calls.
    scancodeEndcall = 290, //Used for rejecting phone calls.
    scancodeReserved = 400, //400-500 reserved for dynamic keycodes
    scancodeCount = 512,
};

pub const TouchID = u64;

pub const KeyboardID = u32;

pub const PenAxis = enum(c_int) {
    penAxisPressure, //Pen pressure.  Unidirectional: 0 to 1.0
    penAxisXtilt, //Pen horizontal tilt angle.  Bidirectional: -90.0 to 90.0 (left-to-right).
    penAxisYtilt, //Pen vertical tilt angle.  Bidirectional: -90.0 to 90.0 (top-to-down).
    penAxisDistance, //Pen distance to drawing surface.  Unidirectional: 0.0 to 1.0
    penAxisRotation, //Pen barrel rotation.  Bidirectional: -180 to 179.9 (clockwise, 0 is facing up, -180.0 is facing down).
    penAxisSlider, //Pen finger wheel or slider (e.g., Airbrush Pen).  Unidirectional: 0 to 1.0
    penAxisTangentialPressure, //Pressure from squeezing the pen ("barrel pressure").
    penAxisCount, //Total known pen axis types in this version of SDL. This number may grow in future releases!
};

pub const MouseID = u32;

pub const MouseWheelDirection = enum(c_int) {
    mousewheelNormal, //The scroll direction is normal
    mousewheelFlipped, //The scroll direction is flipped / natural
};

pub const PowerState = enum(c_int) {
    powerstateError = -1, //error determining power status
    powerstateUnknown, //cannot determine power status
    powerstateOnBattery, //Not plugged in, running on the battery
    powerstateNoBattery, //Plugged in, no battery available
    powerstateCharging, //Plugged in, charging battery
    powerstateCharged,
};

pub const Window = opaque {};

pub const FingerID = u64;

pub const Keycode = u32;

pub const SensorID = u32;

pub const JoystickID = u32;

pub const Keymod = u16;

pub const EventType = enum(c_int) {
    eventFirst = 0, //Unused (do not remove)
    eventQuit = 0x100, //User-requested quit
    eventTerminating,
    eventLowMemory,
    eventWillEnterBackground,
    eventDidEnterBackground,
    eventWillEnterForeground,
    eventDidEnterForeground,
    eventLocaleChanged, //The user's locale preferences have changed.
    eventSystemThemeChanged, //The system theme changed
    eventDisplayOrientation = 0x151, //Display orientation has changed to data1
    eventDisplayAdded, //Display has been added to the system
    eventDisplayRemoved, //Display has been removed from the system
    eventDisplayMoved, //Display has changed position
    eventDisplayDesktopModeChanged, //Display has changed desktop mode
    eventDisplayCurrentModeChanged, //Display has changed current mode
    eventDisplayContentScaleChanged, //Display has changed content scale
    eventWindowShown = 0x202, //Window has been shown
    eventWindowHidden, //Window has been hidden
    eventWindowExposed, //Window has been exposed and should be redrawn, and can be redrawn directly from event watchers for this event
    eventWindowMoved, //Window has been moved to data1, data2
    eventWindowResized, //Window has been resized to data1xdata2
    eventWindowPixelSizeChanged, //The pixel size of the window has changed to data1xdata2
    eventWindowMetalViewResized, //The pixel size of a Metal view associated with the window has changed
    eventWindowMinimized, //Window has been minimized
    eventWindowMaximized, //Window has been maximized
    eventWindowRestored, //Window has been restored to normal size and position
    eventWindowMouseEnter, //Window has gained mouse focus
    eventWindowMouseLeave, //Window has lost mouse focus
    eventWindowFocusGained, //Window has gained keyboard focus
    eventWindowFocusLost, //Window has lost keyboard focus
    eventWindowCloseRequested, //The window manager requests that the window be closed
    eventWindowHitTest, //Window had a hit test that wasn't SDL_HITTEST_NORMAL
    eventWindowIccprofChanged, //The ICC profile of the window's display has changed
    eventWindowDisplayChanged, //Window has been moved to display data1
    eventWindowDisplayScaleChanged, //Window display scale has been changed
    eventWindowSafeAreaChanged, //The window safe area has been changed
    eventWindowOccluded, //The window has been occluded
    eventWindowEnterFullscreen, //The window has entered fullscreen mode
    eventWindowLeaveFullscreen, //The window has left fullscreen mode
    eventWindowDestroyed,
    eventWindowHdrStateChanged, //Window HDR properties have changed
    eventKeyDown = 0x300, //Key pressed
    eventKeyUp, //Key released
    eventTextEditing, //Keyboard text editing (composition)
    eventTextInput, //Keyboard text input
    eventKeymapChanged,
    eventKeyboardAdded, //A new keyboard has been inserted into the system
    eventKeyboardRemoved, //A keyboard has been removed
    eventTextEditingCandidates, //Keyboard text editing candidates
    eventMouseMotion = 0x400, //Mouse moved
    eventMouseButtonDown, //Mouse button pressed
    eventMouseButtonUp, //Mouse button released
    eventMouseWheel, //Mouse wheel motion
    eventMouseAdded, //A new mouse has been inserted into the system
    eventMouseRemoved, //A mouse has been removed
    eventJoystickAxisMotion = 0x600, //Joystick axis motion
    eventJoystickBallMotion, //Joystick trackball motion
    eventJoystickHatMotion, //Joystick hat position change
    eventJoystickButtonDown, //Joystick button pressed
    eventJoystickButtonUp, //Joystick button released
    eventJoystickAdded, //A new joystick has been inserted into the system
    eventJoystickRemoved, //An opened joystick has been removed
    eventJoystickBatteryUpdated, //Joystick battery level change
    eventJoystickUpdateComplete, //Joystick update is complete
    eventGamepadAxisMotion = 0x650, //Gamepad axis motion
    eventGamepadButtonDown, //Gamepad button pressed
    eventGamepadButtonUp, //Gamepad button released
    eventGamepadAdded, //A new gamepad has been inserted into the system
    eventGamepadRemoved, //A gamepad has been removed
    eventGamepadRemapped, //The gamepad mapping was updated
    eventGamepadTouchpadDown, //Gamepad touchpad was touched
    eventGamepadTouchpadMotion, //Gamepad touchpad finger was moved
    eventGamepadTouchpadUp, //Gamepad touchpad finger was lifted
    eventGamepadSensorUpdate, //Gamepad sensor was updated
    eventGamepadUpdateComplete, //Gamepad update is complete
    eventGamepadSteamHandleUpdated, //Gamepad Steam handle has changed
    eventFingerUp,
    eventFingerMotion,
    eventFingerCanceled,
    eventClipboardUpdate = 0x900, //The clipboard or primary selection changed
    eventDropFile = 0x1000, //The system requests a file open
    eventDropText, //text/plain drag-and-drop event
    eventDropBegin, //A new set of drops is beginning (NULL filename)
    eventDropComplete, //Current set of drops is now complete (NULL filename)
    eventDropPosition, //Position while moving over the window
    eventAudioDeviceAdded = 0x1100, //A new audio device is available
    eventAudioDeviceRemoved, //An audio device has been removed.
    eventAudioDeviceFormatChanged, //An audio device's format has been changed by the system.
    eventSensorUpdate = 0x1200, //A sensor was updated
    eventPenProximityIn = 0x1300, //Pressure-sensitive pen has become available
    eventPenProximityOut, //Pressure-sensitive pen has become unavailable
    eventPenDown, //Pressure-sensitive pen touched drawing surface
    eventPenUp, //Pressure-sensitive pen stopped touching drawing surface
    eventPenButtonDown, //Pressure-sensitive pen button pressed
    eventPenButtonUp, //Pressure-sensitive pen button released
    eventPenMotion, //Pressure-sensitive pen is moving on the tablet
    eventPenAxis, //Pressure-sensitive pen angle/pressure/etc changed
    eventCameraDeviceAdded = 0x1400, //A new camera device is available
    eventCameraDeviceRemoved, //A camera device has been removed.
    eventCameraDeviceApproved, //A camera device has been approved for use by the user.
    eventCameraDeviceDenied, //A camera device has been denied for use by the user.
    eventRenderTargetsReset = 0x2000, //The render targets have been reset and their contents need to be updated
    eventRenderDeviceReset, //The device has been reset and all textures need to be recreated
    eventRenderDeviceLost, //The device has been lost and can't be recovered.
    eventPrivate1,
    eventPrivate2,
    eventPrivate3,
    eventPollSentinel = 0x7F00, //Signals the end of an event poll cycle
};

pub const CommonEvent = extern struct {
    _type: u32, // Event type, shared with all events, Uint32 to cover user events which are not in the SDL_EventType enumeration
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
};

pub const DisplayEvent = extern struct {
    _type: EventType, // SDL_DISPLAYEVENT_*
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    displayID: DisplayID, // The associated display
    data1: i32, // event dependent data
    data2: i32, // event dependent data
};

pub const WindowEvent = extern struct {
    _type: EventType, // SDL_EVENT_WINDOW_*
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The associated window
    data1: i32, // event dependent data
    data2: i32, // event dependent data
};

pub const KeyboardDeviceEvent = extern struct {
    _type: EventType, // SDL_EVENT_KEYBOARD_ADDED or SDL_EVENT_KEYBOARD_REMOVED
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: KeyboardID, // The keyboard instance id
};

pub const KeyboardEvent = extern struct {
    _type: EventType, // SDL_EVENT_KEY_DOWN or SDL_EVENT_KEY_UP
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window with keyboard focus, if any
    which: KeyboardID, // The keyboard instance id, or 0 if unknown or virtual
    scancode: Scancode, // SDL physical key code
    key: Keycode, // SDL virtual key code
    mod: Keymod, // current key modifiers
    raw: u16, // The platform dependent scancode for this event
    down: bool, // true if the key is pressed
    repeat: bool, // true if this is a key repeat
};

pub const TextEditingEvent = extern struct {
    _type: EventType, // SDL_EVENT_TEXT_EDITING
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window with keyboard focus, if any
    text: [*c]const u8, // The editing text
    start: i32, // The start cursor of selected editing text, or -1 if not set
    length: i32, // The length of selected editing text, or -1 if not set
};

pub const TextEditingCandidatesEvent = extern struct {
    _type: EventType, // SDL_EVENT_TEXT_EDITING_CANDIDATES
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window with keyboard focus, if any
    candidates: [*c]const [*c]const u8, // The list of candidates, or NULL if there are no candidates available
    num_candidates: i32, // The number of strings in `candidates`
    selected_candidate: i32, // The index of the selected candidate, or -1 if no candidate is selected
    horizontal: bool, // true if the list is horizontal, false if it's vertical
    padding1: u8,
    padding2: u8,
    padding3: u8,
};

pub const TextInputEvent = extern struct {
    _type: EventType, // SDL_EVENT_TEXT_INPUT
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window with keyboard focus, if any
    text: [*c]const u8, // The input text, UTF-8 encoded
};

pub const MouseDeviceEvent = extern struct {
    _type: EventType, // SDL_EVENT_MOUSE_ADDED or SDL_EVENT_MOUSE_REMOVED
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: MouseID, // The mouse instance id
};

pub const MouseMotionEvent = extern struct {
    _type: EventType, // SDL_EVENT_MOUSE_MOTION
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window with mouse focus, if any
    which: MouseID, // The mouse instance id in relative mode, SDL_TOUCH_MOUSEID for touch events, or 0
    state: MouseButtonFlags, // The current button state
    x: f32, // X coordinate, relative to window
    y: f32, // Y coordinate, relative to window
    xrel: f32, // The relative motion in the X direction
    yrel: f32, // The relative motion in the Y direction
};

pub const MouseButtonEvent = extern struct {
    _type: EventType, // SDL_EVENT_MOUSE_BUTTON_DOWN or SDL_EVENT_MOUSE_BUTTON_UP
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window with mouse focus, if any
    which: MouseID, // The mouse instance id in relative mode, SDL_TOUCH_MOUSEID for touch events, or 0
    button: u8, // The mouse button index
    down: bool, // true if the button is pressed
    clicks: u8, // 1 for single-click, 2 for double-click, etc.
    padding: u8,
    x: f32, // X coordinate, relative to window
    y: f32, // Y coordinate, relative to window
};

pub const MouseWheelEvent = extern struct {
    _type: EventType, // SDL_EVENT_MOUSE_WHEEL
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window with mouse focus, if any
    which: MouseID, // The mouse instance id in relative mode or 0
    x: f32, // The amount scrolled horizontally, positive to the right and negative to the left
    y: f32, // The amount scrolled vertically, positive away from the user and negative toward the user
    direction: MouseWheelDirection, // Set to one of the SDL_MOUSEWHEEL_* defines. When FLIPPED the values in X and Y will be opposite. Multiply by -1 to change them back
    mouse_x: f32, // X coordinate, relative to window
    mouse_y: f32, // Y coordinate, relative to window
};

pub const JoyAxisEvent = extern struct {
    _type: EventType, // SDL_EVENT_JOYSTICK_AXIS_MOTION
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: JoystickID, // The joystick instance id
    axis: u8, // The joystick axis index
    padding1: u8,
    padding2: u8,
    padding3: u8,
    value: i16, // The axis value (range: -32768 to 32767)
    padding4: u16,
};

pub const JoyBallEvent = extern struct {
    _type: EventType, // SDL_EVENT_JOYSTICK_BALL_MOTION
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: JoystickID, // The joystick instance id
    ball: u8, // The joystick trackball index
    padding1: u8,
    padding2: u8,
    padding3: u8,
    xrel: i16, // The relative motion in the X direction
    yrel: i16, // The relative motion in the Y direction
};

pub const JoyHatEvent = extern struct {
    _type: EventType, // SDL_EVENT_JOYSTICK_HAT_MOTION
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: JoystickID, // The joystick instance id
    hat: u8, // The joystick hat index
    padding1: u8,
    padding2: u8,
};

pub const JoyButtonEvent = extern struct {
    _type: EventType, // SDL_EVENT_JOYSTICK_BUTTON_DOWN or SDL_EVENT_JOYSTICK_BUTTON_UP
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: JoystickID, // The joystick instance id
    button: u8, // The joystick button index
    down: bool, // true if the button is pressed
    padding1: u8,
    padding2: u8,
};

pub const JoyDeviceEvent = extern struct {
    _type: EventType, // SDL_EVENT_JOYSTICK_ADDED or SDL_EVENT_JOYSTICK_REMOVED or SDL_EVENT_JOYSTICK_UPDATE_COMPLETE
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: JoystickID, // The joystick instance id
};

pub const JoyBatteryEvent = extern struct {
    _type: EventType, // SDL_EVENT_JOYSTICK_BATTERY_UPDATED
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: JoystickID, // The joystick instance id
    state: PowerState, // The joystick battery state
    percent: c_int, // The joystick battery percent charge remaining
};

pub const GamepadAxisEvent = extern struct {
    _type: EventType, // SDL_EVENT_GAMEPAD_AXIS_MOTION
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: JoystickID, // The joystick instance id
    axis: u8, // The gamepad axis (SDL_GamepadAxis)
    padding1: u8,
    padding2: u8,
    padding3: u8,
    value: i16, // The axis value (range: -32768 to 32767)
    padding4: u16,
};

pub const GamepadButtonEvent = extern struct {
    _type: EventType, // SDL_EVENT_GAMEPAD_BUTTON_DOWN or SDL_EVENT_GAMEPAD_BUTTON_UP
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: JoystickID, // The joystick instance id
    button: u8, // The gamepad button (SDL_GamepadButton)
    down: bool, // true if the button is pressed
    padding1: u8,
    padding2: u8,
};

pub const GamepadDeviceEvent = extern struct {
    _type: EventType, // SDL_EVENT_GAMEPAD_ADDED, SDL_EVENT_GAMEPAD_REMOVED, or SDL_EVENT_GAMEPAD_REMAPPED, SDL_EVENT_GAMEPAD_UPDATE_COMPLETE or SDL_EVENT_GAMEPAD_STEAM_HANDLE_UPDATED
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: JoystickID, // The joystick instance id
};

pub const GamepadTouchpadEvent = extern struct {
    _type: EventType, // SDL_EVENT_GAMEPAD_TOUCHPAD_DOWN or SDL_EVENT_GAMEPAD_TOUCHPAD_MOTION or SDL_EVENT_GAMEPAD_TOUCHPAD_UP
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: JoystickID, // The joystick instance id
    touchpad: i32, // The index of the touchpad
    finger: i32, // The index of the finger on the touchpad
    x: f32, // Normalized in the range 0...1 with 0 being on the left
    y: f32, // Normalized in the range 0...1 with 0 being at the top
    pressure: f32, // Normalized in the range 0...1
};

pub const GamepadSensorEvent = extern struct {
    _type: EventType, // SDL_EVENT_GAMEPAD_SENSOR_UPDATE
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: JoystickID, // The joystick instance id
    sensor: i32, // The type of the sensor, one of the values of SDL_SensorType
    data: [3]f32, // Up to 3 values from the sensor, as defined in SDL_sensor.h
    sensor_timestamp: u64, // The timestamp of the sensor reading in nanoseconds, not necessarily synchronized with the system clock
};

pub const AudioDeviceEvent = extern struct {
    _type: EventType, // SDL_EVENT_AUDIO_DEVICE_ADDED, or SDL_EVENT_AUDIO_DEVICE_REMOVED, or SDL_EVENT_AUDIO_DEVICE_FORMAT_CHANGED
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: AudioDeviceID, // SDL_AudioDeviceID for the device being added or removed or changing
    recording: bool, // false if a playback device, true if a recording device.
    padding1: u8,
    padding2: u8,
    padding3: u8,
};

pub const CameraDeviceEvent = extern struct {
    _type: EventType, // SDL_EVENT_CAMERA_DEVICE_ADDED, SDL_EVENT_CAMERA_DEVICE_REMOVED, SDL_EVENT_CAMERA_DEVICE_APPROVED, SDL_EVENT_CAMERA_DEVICE_DENIED
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: CameraID, // SDL_CameraID for the device being added or removed or changing
};

pub const RenderEvent = extern struct {
    _type: EventType, // SDL_EVENT_RENDER_TARGETS_RESET, SDL_EVENT_RENDER_DEVICE_RESET, SDL_EVENT_RENDER_DEVICE_LOST
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window containing the renderer in question.
};

pub const TouchFingerEvent = extern struct {
    _type: EventType, // SDL_EVENT_FINGER_DOWN, SDL_EVENT_FINGER_UP, SDL_EVENT_FINGER_MOTION, or SDL_EVENT_FINGER_CANCELED
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    touchID: TouchID, // The touch device id
    fingerID: FingerID,
    x: f32, // Normalized in the range 0...1
    y: f32, // Normalized in the range 0...1
    dx: f32, // Normalized in the range -1...1
    dy: f32, // Normalized in the range -1...1
    pressure: f32, // Normalized in the range 0...1
    windowID: WindowID, // The window underneath the finger, if any
};

pub const PenProximityEvent = extern struct {
    _type: EventType, // SDL_EVENT_PEN_PROXIMITY_IN or SDL_EVENT_PEN_PROXIMITY_OUT
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window with pen focus, if any
    which: PenID, // The pen instance id
};

pub const PenMotionEvent = extern struct {
    _type: EventType, // SDL_EVENT_PEN_MOTION
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window with pen focus, if any
    which: PenID, // The pen instance id
    pen_state: PenInputFlags, // Complete pen input state at time of event
    x: f32, // X coordinate, relative to window
    y: f32, // Y coordinate, relative to window
};

pub const PenTouchEvent = extern struct {
    _type: EventType, // SDL_EVENT_PEN_DOWN or SDL_EVENT_PEN_UP
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window with pen focus, if any
    which: PenID, // The pen instance id
    pen_state: PenInputFlags, // Complete pen input state at time of event
    x: f32, // X coordinate, relative to window
    y: f32, // Y coordinate, relative to window
    eraser: bool, // true if eraser end is used (not all pens support this).
    down: bool, // true if the pen is touching or false if the pen is lifted off
};

pub const PenButtonEvent = extern struct {
    _type: EventType, // SDL_EVENT_PEN_BUTTON_DOWN or SDL_EVENT_PEN_BUTTON_UP
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window with mouse focus, if any
    which: PenID, // The pen instance id
    pen_state: PenInputFlags, // Complete pen input state at time of event
    x: f32, // X coordinate, relative to window
    y: f32, // Y coordinate, relative to window
    button: u8, // The pen button index (first button is 1).
    down: bool, // true if the button is pressed
};

pub const PenAxisEvent = extern struct {
    _type: EventType, // SDL_EVENT_PEN_AXIS
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window with pen focus, if any
    which: PenID, // The pen instance id
    pen_state: PenInputFlags, // Complete pen input state at time of event
    x: f32, // X coordinate, relative to window
    y: f32, // Y coordinate, relative to window
    axis: PenAxis, // Axis that has changed
    value: f32, // New value of axis
};

pub const DropEvent = extern struct {
    _type: EventType, // SDL_EVENT_DROP_BEGIN or SDL_EVENT_DROP_FILE or SDL_EVENT_DROP_TEXT or SDL_EVENT_DROP_COMPLETE or SDL_EVENT_DROP_POSITION
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The window that was dropped on, if any
    x: f32, // X coordinate, relative to window (not on begin)
    y: f32, // Y coordinate, relative to window (not on begin)
    source: [*c]const u8, // The source app that sent this drop event, or NULL if that isn't available
    data: [*c]const u8, // The text for SDL_EVENT_DROP_TEXT and the file name for SDL_EVENT_DROP_FILE, NULL for other events
};

pub const ClipboardEvent = extern struct {
    _type: EventType, // SDL_EVENT_CLIPBOARD_UPDATE
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    owner: bool, // are we owning the clipboard (internal update)
    num_mime_types: i32, // number of mime types
    mime_types: [*c][*c]const u8, // current mime types
};

pub const SensorEvent = extern struct {
    _type: EventType, // SDL_EVENT_SENSOR_UPDATE
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    which: SensorID, // The instance ID of the sensor
    data: [6]f32, // Up to 6 values from the sensor - additional values can be queried using SDL_GetSensorData()
    sensor_timestamp: u64, // The timestamp of the sensor reading in nanoseconds, not necessarily synchronized with the system clock
};

pub const QuitEvent = extern struct {
    _type: EventType, // SDL_EVENT_QUIT
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
};

pub const UserEvent = extern struct {
    _type: u32, // SDL_EVENT_USER through SDL_EVENT_LAST-1, Uint32 because these are not in the SDL_EventType enumeration
    reserved: u32,
    timestamp: u64, // In nanoseconds, populated using SDL_GetTicksNS()
    windowID: WindowID, // The associated window if any
    code: i32, // User defined event code
    data1: ?*anyopaque, // User defined data pointer
    data2: ?*anyopaque, // User defined data pointer
};

pub const Event = extern union {
    _type: u32, // Event type, shared with all events, Uint32 to cover user events which are not in the SDL_EventType enumeration
    common: CommonEvent, // Common event data
    display: DisplayEvent, // Display event data
    window: WindowEvent, // Window event data
    kdevice: KeyboardDeviceEvent, // Keyboard device change event data
    key: KeyboardEvent, // Keyboard event data
    edit: TextEditingEvent, // Text editing event data
    edit_candidates: TextEditingCandidatesEvent, // Text editing candidates event data
    text: TextInputEvent, // Text input event data
    mdevice: MouseDeviceEvent, // Mouse device change event data
    motion: MouseMotionEvent, // Mouse motion event data
    button: MouseButtonEvent, // Mouse button event data
    wheel: MouseWheelEvent, // Mouse wheel event data
    jdevice: JoyDeviceEvent, // Joystick device change event data
    jaxis: JoyAxisEvent, // Joystick axis event data
    jball: JoyBallEvent, // Joystick ball event data
    jhat: JoyHatEvent, // Joystick hat event data
    jbutton: JoyButtonEvent, // Joystick button event data
    jbattery: JoyBatteryEvent, // Joystick battery event data
    gdevice: GamepadDeviceEvent, // Gamepad device event data
    gaxis: GamepadAxisEvent, // Gamepad axis event data
    gbutton: GamepadButtonEvent, // Gamepad button event data
    gtouchpad: GamepadTouchpadEvent, // Gamepad touchpad event data
    gsensor: GamepadSensorEvent, // Gamepad sensor event data
    adevice: AudioDeviceEvent, // Audio device event data
    cdevice: CameraDeviceEvent, // Camera device event data
    sensor: SensorEvent, // Sensor event data
    quit: QuitEvent, // Quit request event data
    user: UserEvent, // Custom event data
    tfinger: TouchFingerEvent, // Touch finger event data
    pproximity: PenProximityEvent, // Pen proximity event data
    ptouch: PenTouchEvent, // Pen tip touching event data
    pmotion: PenMotionEvent, // Pen motion event data
    pbutton: PenButtonEvent, // Pen button event data
    paxis: PenAxisEvent, // Pen axis event data
    render: RenderEvent, // Render event data
    drop: DropEvent, // Drag and drop event data
    clipboard: ClipboardEvent, // Clipboard event data
    padding: [128]u8,
};

pub inline fn pumpEvents() void {
    return c.SDL_PumpEvents();
}

pub const EventAction = enum(c_int) {
    addevent, //Add events to the back of the queue.
    peekevent, //Check but don't remove events from the queue front.
    getevent, //Retrieve/remove events from the front of the queue.
};

pub inline fn peepEvents(events: ?*Event, numevents: c_int, action: EventAction, minType: u32, maxType: u32) c_int {
    return c.SDL_PeepEvents(@ptrCast(events), numevents, action, minType, maxType);
}

pub inline fn hasEvent(_type: u32) bool {
    return @bitCast(c.SDL_HasEvent(_type));
}

pub inline fn hasEvents(minType: u32, maxType: u32) bool {
    return @bitCast(c.SDL_HasEvents(minType, maxType));
}

pub inline fn flushEvent(_type: u32) void {
    return c.SDL_FlushEvent(_type);
}

pub inline fn flushEvents(minType: u32, maxType: u32) void {
    return c.SDL_FlushEvents(minType, maxType);
}

pub inline fn pollEvent(event: ?*Event) bool {
    return @bitCast(c.SDL_PollEvent(@ptrCast(event)));
}

pub inline fn waitEvent(event: ?*Event) bool {
    return @bitCast(c.SDL_WaitEvent(@ptrCast(event)));
}

pub inline fn waitEventTimeout(event: ?*Event, timeoutMS: i32) bool {
    return @bitCast(c.SDL_WaitEventTimeout(@ptrCast(event), timeoutMS));
}

pub inline fn pushEvent(event: ?*Event) bool {
    return @bitCast(c.SDL_PushEvent(@ptrCast(event)));
}

pub const EventFilter = c.SDL_EventFilter;

pub inline fn setEventFilter(filter: EventFilter, userdata: ?*anyopaque) void {
    return c.SDL_SetEventFilter(filter, userdata);
}

pub inline fn getEventFilter(filter: ?*EventFilter, userdata: [*c]?*anyopaque) bool {
    return @bitCast(c.SDL_GetEventFilter(@ptrCast(filter), userdata));
}

pub inline fn addEventWatch(filter: EventFilter, userdata: ?*anyopaque) bool {
    return @bitCast(c.SDL_AddEventWatch(filter, userdata));
}

pub inline fn removeEventWatch(filter: EventFilter, userdata: ?*anyopaque) void {
    return c.SDL_RemoveEventWatch(filter, userdata);
}

pub inline fn filterEvents(filter: EventFilter, userdata: ?*anyopaque) void {
    return c.SDL_FilterEvents(filter, userdata);
}

pub inline fn setEventEnabled(_type: u32, enabled: bool) void {
    return c.SDL_SetEventEnabled(_type, @bitCast(enabled));
}

pub inline fn eventEnabled(_type: u32) bool {
    return @bitCast(c.SDL_EventEnabled(_type));
}

pub inline fn registerEvents(numevents: c_int) u32 {
    return c.SDL_RegisterEvents(numevents);
}

pub inline fn getWindowFromEvent(event: ?*const Event) ?*Window {
    return @ptrCast(c.SDL_GetWindowFromEvent(@ptrCast(event)));
}