133 lines
2.6 KiB
Go
133 lines
2.6 KiB
Go
// 30 march 2014
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package ui
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/*
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Mac OS X uses its own set of hardware key codes that are different from PC keyboard scancodes, but are positional (like PC keyboard scancodes). These are defined in <HIToolbox/Events.h>, a Carbon header. As far as I can tell, there's no way to include this header without either using an absolute path or linking Carbon into the program, so the constant values are used here instead.
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The Cocoa docs do guarantee that -[NSEvent keyCode] results in key codes that are the same as those returned by Carbon; that is, these codes.
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*/
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// use uintptr to be safe
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var keycodeKeys = map[uintptr]byte{
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0x00: 'a',
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0x01: 's',
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0x02: 'd',
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0x03: 'f',
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0x04: 'h',
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0x05: 'g',
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0x06: 'z',
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0x07: 'x',
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0x08: 'c',
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0x09: 'v',
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0x0B: 'b',
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0x0C: 'q',
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0x0D: 'w',
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0x0E: 'e',
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0x0F: 'r',
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0x10: 'y',
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0x11: 't',
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0x12: '1',
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0x13: '2',
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0x14: '3',
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0x15: '4',
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0x16: '6',
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0x17: '5',
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0x18: '=',
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0x19: '9',
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0x1A: '7',
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0x1B: '-',
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0x1C: '8',
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0x1D: '0',
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0x1E: ']',
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0x1F: 'o',
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0x20: 'u',
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0x21: '[',
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0x22: 'i',
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0x23: 'p',
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0x25: 'l',
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0x26: 'j',
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0x27: '\'',
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0x28: 'k',
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0x29: ';',
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0x2A: '\\',
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0x2B: ',',
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0x2C: '/',
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0x2D: 'n',
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0x2E: 'm',
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0x2F: '.',
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0x32: '`',
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0x24: '\n',
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0x30: '\t',
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0x31: ' ',
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0x33: '\b',
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}
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var keycodeExtKeys = map[uintptr]ExtKey{
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0x41: NDot,
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0x43: NMultiply,
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0x45: NAdd,
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0x4B: NDivide,
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0x4C: NEnter,
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0x4E: NSubtract,
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0x52: N0,
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0x53: N1,
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0x54: N2,
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0x55: N3,
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0x56: N4,
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0x57: N5,
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0x58: N6,
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0x59: N7,
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0x5B: N8,
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0x5C: N9,
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0x35: Escape,
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0x60: F5,
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0x61: F6,
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0x62: F7,
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0x63: F3,
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0x64: F8,
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0x65: F9,
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0x67: F11,
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0x6D: F10,
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0x6F: F12,
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0x72: Insert, // listed as the Help key but it's in the same position on an Apple keyboard as the Insert key on a Windows keyboard; thanks to SeanieB from irc.badnik.net and Psy in irc.freenode.net/#macdev for confirming they have the same code
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0x73: Home,
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0x74: PageUp,
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0x75: Delete,
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0x76: F4,
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0x77: End,
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0x78: F2,
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0x79: PageDown,
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0x7A: F1,
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0x7B: Left,
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0x7C: Right,
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0x7D: Down,
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0x7E: Up,
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}
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var keycodeModifiers = map[uintptr]Modifiers{
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0x37: Super, // left command
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0x38: Shift, // left shift
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0x3A: Alt, // left option
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0x3B: Ctrl, // left control
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0x3C: Shift, // right shift
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0x3D: Alt, // right alt
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0x3E: Ctrl, // right control
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// the following is not in Events.h for some reason
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// thanks to Nicole and jedivulcan from irc.badnik.net
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0x36: Super, // right command
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}
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func fromKeycode(keycode uintptr) (ke KeyEvent, ok bool) {
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if key, ok := keycodeKeys[keycode]; ok {
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ke.Key = key
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return ke, true
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}
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if extkey, ok := keycodeExtKeys[keycode]; ok {
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ke.ExtKey = extkey
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return ke, true
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}
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return ke, false
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}
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