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Fix Cmd+key on macOS with non-QWERTY keyboard layout

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This commit is contained in:
David Capello 2017-01-06 15:05:58 -03:00
parent 4ac63503c0
commit 0df6117b6a
4 changed files with 315 additions and 140 deletions
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7
src/she/event.h
View File

@ -1,5 +1,5 @@
// SHE library
// Copyright (C) 2012-2016 David Capello
// Copyright (C) 2012-2017 David Capello
//
// This source file is ditributed under a BSD-like license, please
// read LICENSE.txt for more information.
@ -68,6 +68,11 @@ namespace she {
Type type() const { return m_type; }
Display* display() const { return m_display; }
const Files& files() const { return m_files; }
// TODO Rename this to virtualKey(), which is the real
// meaning. Then we need another kind of "scan code" with the
// position in the keyboard, which might be useful to identify
// keys by its position (e.g. WASD keys in other keyboard
// layouts).
KeyScancode scancode() const { return m_scancode; }
KeyModifiers modifiers() const { return m_modifiers; }
int unicodeChar() const { return m_unicodeChar; }

6
src/she/osx/view.mm
View File

@ -166,7 +166,8 @@ using namespace she;
{
[super keyDown:event];
KeyScancode scancode = cocoavk_to_scancode(event.keyCode);
KeyScancode scancode = cocoavk_to_scancode(event.keyCode,
event.modifierFlags);
Event ev;
ev.setType(Event::KeyDown);
ev.setScancode(scancode);
@ -217,7 +218,8 @@ using namespace she;
{
[super keyUp:event];
KeyScancode scancode = cocoavk_to_scancode(event.keyCode);
KeyScancode scancode = cocoavk_to_scancode(event.keyCode,
event.modifierFlags);
if (scancode >= 0 && scancode < kKeyScancodes)
g_pressedKeys[scancode] = 0;

4
src/she/osx/vk.h
View File

@ -14,7 +14,9 @@
namespace she {
KeyScancode cocoavk_to_scancode(UInt16 keyCode);
KeyScancode cocoavk_to_scancode(UInt16 keyCode,
const NSEventModifierFlags modifierFlags);
CFStringRef get_unicode_from_key_code(const UInt16 keyCode,
const NSEventModifierFlags modifierFlags,
UInt32* deadKeyState = nullptr);

438
src/she/osx/vk.mm
View File

@ -15,148 +15,314 @@
namespace she {
KeyScancode cocoavk_to_scancode(UInt16 keyCode)
KeyScancode cocoavk_to_scancode(UInt16 keyCode,
const NSEventModifierFlags modifierFlags)
{
// Converts macOS virtual key code into a she::KeyScancode
static KeyScancode keymap[256] = {
// 0x00
kKeyA, // 0x00 - kVK_ANSI_A
kKeyS, // 0x01 - kVK_ANSI_S
kKeyD, // 0x02 - kVK_ANSI_D
kKeyF, // 0x03 - kVK_ANSI_F
kKeyH, // 0x04 - kVK_ANSI_H
kKeyG, // 0x05 - kVK_ANSI_G
kKeyZ, // 0x06 - kVK_ANSI_Z
kKeyX, // 0x07 - kVK_ANSI_X
kKeyC, // 0x08 - kVK_ANSI_C
kKeyV, // 0x09 - kVK_ANSI_V
kKeyNil, // 0x0A - kVK_ISO_Section
kKeyB, // 0x0B - kVK_ANSI_B
kKeyQ, // 0x0C - kVK_ANSI_Q
kKeyW, // 0x0D - kVK_ANSI_W
kKeyE, // 0x0E - kVK_ANSI_E
kKeyR, // 0x0F - kVK_ANSI_R
// 0x10
kKeyY, // 0x10 - kVK_ANSI_Y
kKeyT, // 0x11 - kVK_ANSI_T
kKey1, // 0x12 - kVK_ANSI_1
kKey2, // 0x13 - kVK_ANSI_2
kKey3, // 0x14 - kVK_ANSI_3
kKey4, // 0x15 - kVK_ANSI_4
kKey6, // 0x16 - kVK_ANSI_6
kKey5, // 0x17 - kVK_ANSI_5
kKeyEquals, // 0x18 - kVK_ANSI_Equal
kKey9, // 0x19 - kVK_ANSI_9
kKey7, // 0x1A - kVK_ANSI_7
kKeyMinus, // 0x1B - kVK_ANSI_Minus
kKey8, // 0x1C - kVK_ANSI_8
kKey0, // 0x1D - kVK_ANSI_0
// 0x00
kKeyA, // 0x00 - kVK_ANSI_A
kKeyS, // 0x01 - kVK_ANSI_S
kKeyD, // 0x02 - kVK_ANSI_D
kKeyF, // 0x03 - kVK_ANSI_F
kKeyH, // 0x04 - kVK_ANSI_H
kKeyG, // 0x05 - kVK_ANSI_G
kKeyZ, // 0x06 - kVK_ANSI_Z
kKeyX, // 0x07 - kVK_ANSI_X
kKeyC, // 0x08 - kVK_ANSI_C
kKeyV, // 0x09 - kVK_ANSI_V
kKeyNil, // 0x0A - kVK_ISO_Section
kKeyB, // 0x0B - kVK_ANSI_B
kKeyQ, // 0x0C - kVK_ANSI_Q
kKeyW, // 0x0D - kVK_ANSI_W
kKeyE, // 0x0E - kVK_ANSI_E
kKeyR, // 0x0F - kVK_ANSI_R
// 0x10
kKeyY, // 0x10 - kVK_ANSI_Y
kKeyT, // 0x11 - kVK_ANSI_T
kKey1, // 0x12 - kVK_ANSI_1
kKey2, // 0x13 - kVK_ANSI_2
kKey3, // 0x14 - kVK_ANSI_3
kKey4, // 0x15 - kVK_ANSI_4
kKey6, // 0x16 - kVK_ANSI_6
kKey5, // 0x17 - kVK_ANSI_5
kKeyEquals, // 0x18 - kVK_ANSI_Equal
kKey9, // 0x19 - kVK_ANSI_9
kKey7, // 0x1A - kVK_ANSI_7
kKeyMinus, // 0x1B - kVK_ANSI_Minus
kKey8, // 0x1C - kVK_ANSI_8
kKey0, // 0x1D - kVK_ANSI_0
kKeyClosebrace, // 0x1E - kVK_ANSI_RightBracket
kKeyO, // 0x1F - kVK_ANSI_O
// 0x20
kKeyU, // 0x20 - kVK_ANSI_U
kKeyOpenbrace, // 0x21 - kVK_ANSI_LeftBracket
kKeyI, // 0x22 - kVK_ANSI_I
kKeyP, // 0x23 - kVK_ANSI_P
kKeyEnter, // 0x24 - kVK_Return
kKeyL, // 0x25 - kVK_ANSI_L
kKeyJ, // 0x26 - kVK_ANSI_J
kKeyQuote, // 0x27 - kVK_ANSI_Quote
kKeyK, // 0x28 - kVK_ANSI_K
kKeySemicolon, // 0x29 - kVK_ANSI_Semicolon
kKeyBackslash, // 0x2A - kVK_ANSI_Backslash
kKeyComma, // 0x2B - kVK_ANSI_Comma
kKeySlash, // 0x2C - kVK_ANSI_Slash
kKeyN, // 0x2D - kVK_ANSI_N
kKeyM, // 0x2E - kVK_ANSI_M
kKeyStop, // 0x2F - kVK_ANSI_Period
// 0x30
kKeyTab, // 0x30 - kVK_Tab
kKeySpace, // 0x31 - kVK_Space
kKeyNil, // 0x32 - kVK_ANSI_Grave
kKeyBackspace, // 0x33 - kVK_Delete
kKeyNil, // 0x34 - ?
kKeyEsc, // 0x35 - kVK_Escape
kKeyNil, // 0x36 - ?
kKeyCommand, // 0x37 - kVK_Command
kKeyLShift, // 0x38 - kVK_Shift
kKeyCapsLock, // 0x39 - kVK_CapsLock
kKeyAlt, // 0x3A - kVK_Option
kKeyLControl, // 0x3B - kVK_Control
kKeyRShift, // 0x3C - kVK_RightShift
kKeyAltGr, // 0x3D - kVK_RightOption
kKeyRControl, // 0x3E - kVK_RightControl
kKeyNil, // 0x3F - kVK_Function
// 0x40
kKeyNil, // 0x40 - kVK_F17
kKeyNil, // 0x41 - kVK_ANSI_KeypadDecimal
kKeyNil, // 0x42 - ?
kKeyAsterisk, // 0x43 - kVK_ANSI_KeypadMultiply
kKeyNil, // 0x44 - ?
kKeyPlusPad, // 0x45 - kVK_ANSI_KeypadPlus
kKeyNil, // 0x46 - ?
kKeyDelPad, // 0x47 - kVK_ANSI_KeypadClear
kKeyNil, // 0x48 - kVK_VolumeUp
kKeyNil, // 0x49 - kVK_VolumeDown
kKeyNil, // 0x4A - kVK_Mute
kKeySlashPad, // 0x4B - kVK_ANSI_KeypadDivide
kKeyEnterPad, // 0x4C - kVK_ANSI_KeypadEnter
kKeyNil, // 0x4D - ?
kKeyMinusPad, // 0x4E - kVK_ANSI_KeypadMinus
kKeyNil, // 0x4F - kVK_F18
// 0x50
kKeyNil, // 0x50 - kVK_F19
kKeyEqualsPad, // 0x51 - kVK_ANSI_KeypadEquals
kKey0Pad, // 0x52 - kVK_ANSI_Keypad0
kKey1Pad, // 0x53 - kVK_ANSI_Keypad1
kKey2Pad, // 0x54 - kVK_ANSI_Keypad2
kKey3Pad, // 0x55 - kVK_ANSI_Keypad3
kKey4Pad, // 0x56 - kVK_ANSI_Keypad4
kKey5Pad, // 0x57 - kVK_ANSI_Keypad5
kKey6Pad, // 0x58 - kVK_ANSI_Keypad6
kKey7Pad, // 0x59 - kVK_ANSI_Keypad7
kKeyNil, // 0x5A - kVK_F20
kKey8Pad, // 0x5B - kVK_ANSI_Keypad8
kKey9Pad, // 0x5C - kVK_ANSI_Keypad9
kKeyYen, // 0x5D - kVK_JIS_Yen
kKeyNil, // 0x5E - kVK_JIS_Underscore
kKeyNil, // 0x5F - kVK_JIS_KeypadComma
// 0x60
kKeyF5, // 0x60 - kVK_F5
kKeyF6, // 0x61 - kVK_F6
kKeyF7, // 0x62 - kVK_F7
kKeyF3, // 0x63 - kVK_F3
kKeyF8, // 0x64 - kVK_F8
kKeyF9, // 0x65 - kVK_F9
kKeyNil, // 0x66 - kVK_JIS_Eisu
kKeyF11, // 0x67 - kVK_F11
kKeyKana, // 0x68 - kVK_JIS_Kana
kKeyNil, // 0x69 - kVK_F13
kKeyNil, // 0x6A - kVK_F16
kKeyNil, // 0x6B - kVK_F14
kKeyNil, // 0x6C - ?
kKeyF10, // 0x6D - kVK_F10
kKeyNil, // 0x6E - ?
kKeyF12, // 0x6F - kVK_F12
// 0x70
kKeyNil, // 0x70 - ?
kKeyNil, // 0x71 - kVK_F15
kKeyNil, // 0x72 - kVK_Help
kKeyHome, // 0x73 - kVK_Home
kKeyPageUp, // 0x74 - kVK_PageUp
kKeyDel, // 0x75 - kVK_ForwardDelete
kKeyF4, // 0x76 - kVK_F4
kKeyEnd, // 0x77 - kVK_End
kKeyF2, // 0x78 - kVK_F2
kKeyPageDown, // 0x79 - kVK_PageDown
kKeyF1, // 0x7A - kVK_F1
kKeyLeft, // 0x7B - kVK_LeftArrow
kKeyRight, // 0x7C - kVK_RightArrow
kKeyDown, // 0x7D - kVK_DownArrow
kKeyUp, // 0x7E - kVK_UpArrow
kKeyNil // 0x7F - ?
kKeyO, // 0x1F - kVK_ANSI_O
// 0x20
kKeyU, // 0x20 - kVK_ANSI_U
kKeyOpenbrace, // 0x21 - kVK_ANSI_LeftBracket
kKeyI, // 0x22 - kVK_ANSI_I
kKeyP, // 0x23 - kVK_ANSI_P
kKeyEnter, // 0x24 - kVK_Return
kKeyL, // 0x25 - kVK_ANSI_L
kKeyJ, // 0x26 - kVK_ANSI_J
kKeyQuote, // 0x27 - kVK_ANSI_Quote
kKeyK, // 0x28 - kVK_ANSI_K
kKeySemicolon, // 0x29 - kVK_ANSI_Semicolon
kKeyBackslash, // 0x2A - kVK_ANSI_Backslash
kKeyComma, // 0x2B - kVK_ANSI_Comma
kKeySlash, // 0x2C - kVK_ANSI_Slash
kKeyN, // 0x2D - kVK_ANSI_N
kKeyM, // 0x2E - kVK_ANSI_M
kKeyStop, // 0x2F - kVK_ANSI_Period
// 0x30
kKeyTab, // 0x30 - kVK_Tab
kKeySpace, // 0x31 - kVK_Space
kKeyNil, // 0x32 - kVK_ANSI_Grave
kKeyBackspace, // 0x33 - kVK_Delete
kKeyNil, // 0x34 - ?
kKeyEsc, // 0x35 - kVK_Escape
kKeyNil, // 0x36 - ?
kKeyCommand, // 0x37 - kVK_Command
kKeyLShift, // 0x38 - kVK_Shift
kKeyCapsLock, // 0x39 - kVK_CapsLock
kKeyAlt, // 0x3A - kVK_Option
kKeyLControl, // 0x3B - kVK_Control
kKeyRShift, // 0x3C - kVK_RightShift
kKeyAltGr, // 0x3D - kVK_RightOption
kKeyRControl, // 0x3E - kVK_RightControl
kKeyNil, // 0x3F - kVK_Function
// 0x40
kKeyNil, // 0x40 - kVK_F17
kKeyNil, // 0x41 - kVK_ANSI_KeypadDecimal
kKeyNil, // 0x42 - ?
kKeyAsterisk, // 0x43 - kVK_ANSI_KeypadMultiply
kKeyNil, // 0x44 - ?
kKeyPlusPad, // 0x45 - kVK_ANSI_KeypadPlus
kKeyNil, // 0x46 - ?
kKeyDelPad, // 0x47 - kVK_ANSI_KeypadClear
kKeyNil, // 0x48 - kVK_VolumeUp
kKeyNil, // 0x49 - kVK_VolumeDown
kKeyNil, // 0x4A - kVK_Mute
kKeySlashPad, // 0x4B - kVK_ANSI_KeypadDivide
kKeyEnterPad, // 0x4C - kVK_ANSI_KeypadEnter
kKeyNil, // 0x4D - ?
kKeyMinusPad, // 0x4E - kVK_ANSI_KeypadMinus
kKeyNil, // 0x4F - kVK_F18
// 0x50
kKeyNil, // 0x50 - kVK_F19
kKeyEqualsPad, // 0x51 - kVK_ANSI_KeypadEquals
kKey0Pad, // 0x52 - kVK_ANSI_Keypad0
kKey1Pad, // 0x53 - kVK_ANSI_Keypad1
kKey2Pad, // 0x54 - kVK_ANSI_Keypad2
kKey3Pad, // 0x55 - kVK_ANSI_Keypad3
kKey4Pad, // 0x56 - kVK_ANSI_Keypad4
kKey5Pad, // 0x57 - kVK_ANSI_Keypad5
kKey6Pad, // 0x58 - kVK_ANSI_Keypad6
kKey7Pad, // 0x59 - kVK_ANSI_Keypad7
kKeyNil, // 0x5A - kVK_F20
kKey8Pad, // 0x5B - kVK_ANSI_Keypad8
kKey9Pad, // 0x5C - kVK_ANSI_Keypad9
kKeyYen, // 0x5D - kVK_JIS_Yen
kKeyNil, // 0x5E - kVK_JIS_Underscore
kKeyNil, // 0x5F - kVK_JIS_KeypadComma
// 0x60
kKeyF5, // 0x60 - kVK_F5
kKeyF6, // 0x61 - kVK_F6
kKeyF7, // 0x62 - kVK_F7
kKeyF3, // 0x63 - kVK_F3
kKeyF8, // 0x64 - kVK_F8
kKeyF9, // 0x65 - kVK_F9
kKeyNil, // 0x66 - kVK_JIS_Eisu
kKeyF11, // 0x67 - kVK_F11
kKeyKana, // 0x68 - kVK_JIS_Kana
kKeyNil, // 0x69 - kVK_F13
kKeyNil, // 0x6A - kVK_F16
kKeyNil, // 0x6B - kVK_F14
kKeyNil, // 0x6C - ?
kKeyF10, // 0x6D - kVK_F10
kKeyNil, // 0x6E - ?
kKeyF12, // 0x6F - kVK_F12
// 0x70
kKeyNil, // 0x70 - ?
kKeyNil, // 0x71 - kVK_F15
kKeyNil, // 0x72 - kVK_Help
kKeyHome, // 0x73 - kVK_Home
kKeyPageUp, // 0x74 - kVK_PageUp
kKeyDel, // 0x75 - kVK_ForwardDelete
kKeyF4, // 0x76 - kVK_F4
kKeyEnd, // 0x77 - kVK_End
kKeyF2, // 0x78 - kVK_F2
kKeyPageDown, // 0x79 - kVK_PageDown
kKeyF1, // 0x7A - kVK_F1
kKeyLeft, // 0x7B - kVK_LeftArrow
kKeyRight, // 0x7C - kVK_RightArrow
kKeyDown, // 0x7D - kVK_DownArrow
kKeyUp, // 0x7E - kVK_UpArrow
kKeyNil // 0x7F - ?
};
// Converts an ASCII character into an macOS virtual key
static int charmap[] = {
-1, // 0 = 00 = NUL
-1, // 1 = 01 = STX
-1, // 2 = 02 = SOT
-1, // 3 = 03 = ETX
-1, // 4 = 04 = EOT
-1, // 5 = 05 = ENQ
-1, // 6 = 06 = ACK
-1, // 7 = 07 = BEL
kVK_Delete, // 8 = 08 = BS
-1, // 9 = 09 = HT
-1, // 10 =0A = LF
-1, // 11 =0B = VT
-1, // 12 =0C = FF
-1, // 13 =0D = CR
-1, // 14 =0E = SO
-1, // 15 =0F = SI
-1, // 16 =10 = DLE
-1, // 17 =11 = DC1
-1, // 18 =12 = DC2
-1, // 19 =13 = DC3
-1, // 20 =14 = DC4
-1, // 21 =15 = NAK
-1, // 22 =16 = SYN
-1, // 23 =17 = ETB
-1, // 24 =18 = CAN
-1, // 25 =19 = EM
-1, // 26 =1A = SUB
-1, // 27 =1B = ESC
-1, // 28 =1C = FS
-1, // 29 =1D = GS
-1, // 30 =1E = RS
-1, // 31 =1F = US
kVK_Space, // 32 =20 = Space
-1, // 33 =21 = !
kVK_ANSI_Quote, // 34 =22 = "
-1, // 35 =23 = #
-1, // 36 =24 = $
-1, // 37 =25 = %
-1, // 38 =26 = &
-1, // 39 =27 = '
-1, // 40 = 28 = (
-1, // 41 = 29 = )
-1, // 42 = 2A = *
-1, // 43 = 2B = +
kVK_ANSI_Comma, // 44 = 2C = ,
kVK_ANSI_Minus, // 45 = 2D = -
kVK_ANSI_Period, // 46 = 2E = .
kVK_ANSI_Slash, // 47 = 2F = /
kVK_ANSI_0, // 48 = 30 = 0
kVK_ANSI_1, // 49 = 31 = 1
kVK_ANSI_2, // 50 = 32 = 2
kVK_ANSI_3, // 51 = 33 = 3
kVK_ANSI_4, // 52 = 34 = 4
kVK_ANSI_5, // 53 = 35 = 5
kVK_ANSI_6, // 54 = 36 = 6
kVK_ANSI_7, // 55 = 37 = 7
kVK_ANSI_8, // 56 = 38 = 8
kVK_ANSI_9, // 57 = 39 = 9
-1, // 58 = 3A = :
kVK_ANSI_Semicolon, // 59 = 3B = ;
-1, // 60 = 3C = <
kVK_ANSI_Equal, // 61 = 3D = =
-1, // 62 = 3E = >
-1, // 63 = 3F = ?
-1, // 64 = 40 = @
kVK_ANSI_A, // 65 = 41 = A
kVK_ANSI_B, // 66 = 42 = B
kVK_ANSI_C, // 67 = 43 = C
kVK_ANSI_D, // 68 = 44 = D
kVK_ANSI_E, // 69 = 45 = E
kVK_ANSI_F, // 70 = 46 = F
kVK_ANSI_G, // 71 = 47 = G
kVK_ANSI_H, // 72 = 48 = H
kVK_ANSI_I, // 73 = 49 = I
kVK_ANSI_J, // 74 = 4A = J
kVK_ANSI_K, // 75 = 4B = K
kVK_ANSI_L, // 76 = 4C = L
kVK_ANSI_M, // 77 = 4D = M
kVK_ANSI_N, // 78 = 4E = N
kVK_ANSI_O, // 79 = 4F = O
kVK_ANSI_P, // 80 = 50 = P
kVK_ANSI_Q, // 81 = 51 = Q
kVK_ANSI_R, // 82 = 52 = R
kVK_ANSI_S, // 83 = 53 = S
kVK_ANSI_T, // 84 = 54 = T
kVK_ANSI_U, // 85 = 55 = U
kVK_ANSI_V, // 86 = 56 = V
kVK_ANSI_W, // 87 = 57 = W
kVK_ANSI_X, // 88 = 58 = X
kVK_ANSI_Y, // 89 = 59 = Y
kVK_ANSI_Z, // 90 = 5A = Z
kVK_ANSI_LeftBracket, // 91 = 5B = [
kVK_ANSI_Backslash, // 92 = 5C = backslash
kVK_ANSI_RightBracket, // 93 = 5D = ]
-1, // 94 = 5E = ^
-1, // 95 = 5F = _
kVK_ANSI_Grave, // 96 = 60 = `
kVK_ANSI_A, // 97 = 61 = a
kVK_ANSI_B, // 98 = 62 = b
kVK_ANSI_C, // 99 = 63 = c
kVK_ANSI_D, // 100 = 64 = d
kVK_ANSI_E, // 101 = 65 = e
kVK_ANSI_F, // 102 = 66 = f
kVK_ANSI_G, // 103 = 67 = g
kVK_ANSI_H, // 104 = 68 = h
kVK_ANSI_I, // 105 = 69 = i
kVK_ANSI_J, // 106 = 6A = j
kVK_ANSI_K, // 107 = 6B = k
kVK_ANSI_L, // 108 = 6C = l
kVK_ANSI_M, // 109 = 6D = m
kVK_ANSI_N, // 110 = 6E = n
kVK_ANSI_O, // 111 = 6F = o
kVK_ANSI_P, // 112 = 70 = p
kVK_ANSI_Q, // 113 = 71 = q
kVK_ANSI_R, // 114 = 72 = r
kVK_ANSI_S, // 115 = 73 = s
kVK_ANSI_T, // 116 = 74 = t
kVK_ANSI_U, // 117 = 75 = u
kVK_ANSI_V, // 118 = 76 = v
kVK_ANSI_W, // 119 = 77 = w
kVK_ANSI_X, // 120 = 78 = x
kVK_ANSI_Y, // 121 = 79 = y
kVK_ANSI_Z, // 122 = 7A = z
-1, // 123 = 7B = {
-1, // 124 = 7C = |
-1, // 125 = 7D = }
-1, // 126 = 7E = ~
-1, // 127 = 7F = DEL
};
// When Cmd+key is used, macOS reports the "virtual key" as a QWERTY
// scan code, which doesn't represent the real keyboard layout
// (which might be DVORAK, AZERTY, etc.). So here we convert this
// QWERTY scan code into a unicode char, and finally the unicode
// char into the real kVK_ANSI_ virtual key. In this way Cmd+N will
// work in all keyboard layout (on Windows it works in this way
// automatically).
//
// TODO We might need (in a future) another kind of code (real
// QWERTY scan code) in case that we want to identify keys by its
// position in the keyboard (e.g. for WASD).
if (modifierFlags & NSCommandKeyMask) {
CFStringRef strRef = get_unicode_from_key_code(keyCode,
modifierFlags & ~NSCommandKeyMask);
if (strRef) {
int length = CFStringGetLength(strRef);
if (length == 1) {
UInt16 unicodeChar = CFStringGetCharacterAtIndex(strRef, 0);
if (unicodeChar > 0 &&
unicodeChar < sizeof(charmap) / sizeof(charmap[0]) &&
charmap[unicodeChar] >= 0) {
// Converts ASCII char into a macOS virtual key
keyCode = charmap[unicodeChar];
}
}
CFRelease(strRef);
}
}
if (keyCode < 0 || keyCode > 127)
keyCode = 0;
// Converts macOS virtual key into she::KeyScancode
return keymap[keyCode];
}