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godot/platform/osx/key_mapping_osx.mm

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/*************************************************************************/
/* key_mapping_osx.mm */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "key_mapping_osx.h"
#include <Carbon/Carbon.h>
#include <Cocoa/Cocoa.h>
bool KeyMappingOSX::is_numpad_key(unsigned int key) {
static const unsigned int table[] = {
0x41, /* kVK_ANSI_KeypadDecimal */
0x43, /* kVK_ANSI_KeypadMultiply */
0x45, /* kVK_ANSI_KeypadPlus */
0x47, /* kVK_ANSI_KeypadClear */
0x4b, /* kVK_ANSI_KeypadDivide */
0x4c, /* kVK_ANSI_KeypadEnter */
0x4e, /* kVK_ANSI_KeypadMinus */
0x51, /* kVK_ANSI_KeypadEquals */
0x52, /* kVK_ANSI_Keypad0 */
0x53, /* kVK_ANSI_Keypad1 */
0x54, /* kVK_ANSI_Keypad2 */
0x55, /* kVK_ANSI_Keypad3 */
0x56, /* kVK_ANSI_Keypad4 */
0x57, /* kVK_ANSI_Keypad5 */
0x58, /* kVK_ANSI_Keypad6 */
0x59, /* kVK_ANSI_Keypad7 */
0x5b, /* kVK_ANSI_Keypad8 */
0x5c, /* kVK_ANSI_Keypad9 */
0x5f, /* kVK_JIS_KeypadComma */
0x00
};
for (int i = 0; table[i] != 0; i++) {
if (key == table[i]) {
return true;
}
}
return false;
}
// Keyboard symbol translation table.
static const Key _osx_to_godot_table[128] = {
/* 00 */ Key::A,
/* 01 */ Key::S,
/* 02 */ Key::D,
/* 03 */ Key::F,
/* 04 */ Key::H,
/* 05 */ Key::G,
/* 06 */ Key::Z,
/* 07 */ Key::X,
/* 08 */ Key::C,
/* 09 */ Key::V,
/* 0a */ Key::SECTION, /* ISO Section */
/* 0b */ Key::B,
/* 0c */ Key::Q,
/* 0d */ Key::W,
/* 0e */ Key::E,
/* 0f */ Key::R,
/* 10 */ Key::Y,
/* 11 */ Key::T,
/* 12 */ Key::KEY_1,
/* 13 */ Key::KEY_2,
/* 14 */ Key::KEY_3,
/* 15 */ Key::KEY_4,
/* 16 */ Key::KEY_6,
/* 17 */ Key::KEY_5,
/* 18 */ Key::EQUAL,
/* 19 */ Key::KEY_9,
/* 1a */ Key::KEY_7,
/* 1b */ Key::MINUS,
/* 1c */ Key::KEY_8,
/* 1d */ Key::KEY_0,
/* 1e */ Key::BRACERIGHT,
/* 1f */ Key::O,
/* 20 */ Key::U,
/* 21 */ Key::BRACELEFT,
/* 22 */ Key::I,
/* 23 */ Key::P,
/* 24 */ Key::ENTER,
/* 25 */ Key::L,
/* 26 */ Key::J,
/* 27 */ Key::APOSTROPHE,
/* 28 */ Key::K,
/* 29 */ Key::SEMICOLON,
/* 2a */ Key::BACKSLASH,
/* 2b */ Key::COMMA,
/* 2c */ Key::SLASH,
/* 2d */ Key::N,
/* 2e */ Key::M,
/* 2f */ Key::PERIOD,
/* 30 */ Key::TAB,
/* 31 */ Key::SPACE,
/* 32 */ Key::QUOTELEFT,
/* 33 */ Key::BACKSPACE,
/* 34 */ Key::UNKNOWN,
/* 35 */ Key::ESCAPE,
/* 36 */ Key::META,
/* 37 */ Key::META,
/* 38 */ Key::SHIFT,
/* 39 */ Key::CAPSLOCK,
/* 3a */ Key::ALT,
/* 3b */ Key::CTRL,
/* 3c */ Key::SHIFT,
/* 3d */ Key::ALT,
/* 3e */ Key::CTRL,
/* 3f */ Key::UNKNOWN, /* Function */
/* 40 */ Key::UNKNOWN, /* F17 */
/* 41 */ Key::KP_PERIOD,
/* 42 */ Key::UNKNOWN,
/* 43 */ Key::KP_MULTIPLY,
/* 44 */ Key::UNKNOWN,
/* 45 */ Key::KP_ADD,
/* 46 */ Key::UNKNOWN,
/* 47 */ Key::NUMLOCK, /* Really KeypadClear... */
/* 48 */ Key::VOLUMEUP, /* VolumeUp */
/* 49 */ Key::VOLUMEDOWN, /* VolumeDown */
/* 4a */ Key::VOLUMEMUTE, /* Mute */
/* 4b */ Key::KP_DIVIDE,
/* 4c */ Key::KP_ENTER,
/* 4d */ Key::UNKNOWN,
/* 4e */ Key::KP_SUBTRACT,
/* 4f */ Key::UNKNOWN, /* F18 */
/* 50 */ Key::UNKNOWN, /* F19 */
/* 51 */ Key::EQUAL, /* KeypadEqual */
/* 52 */ Key::KP_0,
/* 53 */ Key::KP_1,
/* 54 */ Key::KP_2,
/* 55 */ Key::KP_3,
/* 56 */ Key::KP_4,
/* 57 */ Key::KP_5,
/* 58 */ Key::KP_6,
/* 59 */ Key::KP_7,
/* 5a */ Key::UNKNOWN, /* F20 */
/* 5b */ Key::KP_8,
/* 5c */ Key::KP_9,
/* 5d */ Key::YEN, /* JIS Yen */
/* 5e */ Key::UNDERSCORE, /* JIS Underscore */
/* 5f */ Key::COMMA, /* JIS KeypadComma */
/* 60 */ Key::F5,
/* 61 */ Key::F6,
/* 62 */ Key::F7,
/* 63 */ Key::F3,
/* 64 */ Key::F8,
/* 65 */ Key::F9,
/* 66 */ Key::UNKNOWN, /* JIS Eisu */
/* 67 */ Key::F11,
/* 68 */ Key::UNKNOWN, /* JIS Kana */
/* 69 */ Key::F13,
/* 6a */ Key::F16,
/* 6b */ Key::F14,
/* 6c */ Key::UNKNOWN,
/* 6d */ Key::F10,
/* 6e */ Key::MENU,
/* 6f */ Key::F12,
/* 70 */ Key::UNKNOWN,
/* 71 */ Key::F15,
/* 72 */ Key::INSERT, /* Really Help... */
/* 73 */ Key::HOME,
/* 74 */ Key::PAGEUP,
/* 75 */ Key::KEY_DELETE,
/* 76 */ Key::F4,
/* 77 */ Key::END,
/* 78 */ Key::F2,
/* 79 */ Key::PAGEDOWN,
/* 7a */ Key::F1,
/* 7b */ Key::LEFT,
/* 7c */ Key::RIGHT,
/* 7d */ Key::DOWN,
/* 7e */ Key::UP,
/* 7f */ Key::UNKNOWN,
};
// Translates a OS X keycode to a Godot keycode.
Key KeyMappingOSX::translate_key(unsigned int key) {
if (key >= 128) {
return Key::UNKNOWN;
}
return _osx_to_godot_table[key];
}
// Translates a Godot keycode back to a OSX keycode.
unsigned int KeyMappingOSX::unmap_key(Key key) {
for (int i = 0; i <= 126; i++) {
if (_osx_to_godot_table[i] == key) {
return i;
}
}
return 127;
}
struct _KeyCodeMap {
UniChar kchar;
Key kcode;
};
static const _KeyCodeMap _keycodes[55] = {
{ '`', Key::QUOTELEFT },
{ '~', Key::ASCIITILDE },
{ '0', Key::KEY_0 },
{ '1', Key::KEY_1 },
{ '2', Key::KEY_2 },
{ '3', Key::KEY_3 },
{ '4', Key::KEY_4 },
{ '5', Key::KEY_5 },
{ '6', Key::KEY_6 },
{ '7', Key::KEY_7 },
{ '8', Key::KEY_8 },
{ '9', Key::KEY_9 },
{ '-', Key::MINUS },
{ '_', Key::UNDERSCORE },
{ '=', Key::EQUAL },
{ '+', Key::PLUS },
{ 'q', Key::Q },
{ 'w', Key::W },
{ 'e', Key::E },
{ 'r', Key::R },
{ 't', Key::T },
{ 'y', Key::Y },
{ 'u', Key::U },
{ 'i', Key::I },
{ 'o', Key::O },
{ 'p', Key::P },
{ '[', Key::BRACELEFT },
{ ']', Key::BRACERIGHT },
{ '{', Key::BRACELEFT },
{ '}', Key::BRACERIGHT },
{ 'a', Key::A },
{ 's', Key::S },
{ 'd', Key::D },
{ 'f', Key::F },
{ 'g', Key::G },
{ 'h', Key::H },
{ 'j', Key::J },
{ 'k', Key::K },
{ 'l', Key::L },
{ ';', Key::SEMICOLON },
{ ':', Key::COLON },
{ '\'', Key::APOSTROPHE },
{ '\"', Key::QUOTEDBL },
{ '\\', Key::BACKSLASH },
{ '#', Key::NUMBERSIGN },
{ 'z', Key::Z },
{ 'x', Key::X },
{ 'c', Key::C },
{ 'v', Key::V },
{ 'b', Key::B },
{ 'n', Key::N },
{ 'm', Key::M },
{ ',', Key::COMMA },
{ '.', Key::PERIOD },
{ '/', Key::SLASH }
};
// Remap key according to current keyboard layout.
Key KeyMappingOSX::remap_key(unsigned int key, unsigned int state) {
if (is_numpad_key(key)) {
return translate_key(key);
}
TISInputSourceRef current_keyboard = TISCopyCurrentKeyboardInputSource();
if (!current_keyboard) {
return translate_key(key);
}
CFDataRef layout_data = (CFDataRef)TISGetInputSourceProperty(current_keyboard, kTISPropertyUnicodeKeyLayoutData);
if (!layout_data) {
return translate_key(key);
}
const UCKeyboardLayout *keyboard_layout = (const UCKeyboardLayout *)CFDataGetBytePtr(layout_data);
UInt32 keys_down = 0;
UniChar chars[4];
UniCharCount real_length;
OSStatus err = UCKeyTranslate(keyboard_layout,
key,
kUCKeyActionDisplay,
(state >> 8) & 0xFF,
LMGetKbdType(),
kUCKeyTranslateNoDeadKeysBit,
&keys_down,
sizeof(chars) / sizeof(chars[0]),
&real_length,
chars);
if (err != noErr) {
return translate_key(key);
}
for (unsigned int i = 0; i < 55; i++) {
if (_keycodes[i].kchar == chars[0]) {
return _keycodes[i].kcode;
}
}
return translate_key(key);
}
struct _KeyCodeText {
Key code;
char32_t text;
};
static const _KeyCodeText _native_keycodes[] = {
/* clang-format off */
{Key::ESCAPE ,0x001B},
{Key::TAB ,0x0009},
{Key::BACKTAB ,0x007F},
{Key::BACKSPACE ,0x0008},
{Key::ENTER ,0x000D},
{Key::INSERT ,NSInsertFunctionKey},
{Key::KEY_DELETE ,0x007F},
{Key::PAUSE ,NSPauseFunctionKey},
{Key::PRINT ,NSPrintScreenFunctionKey},
{Key::SYSREQ ,NSSysReqFunctionKey},
{Key::CLEAR ,NSClearLineFunctionKey},
{Key::HOME ,0x2196},
{Key::END ,0x2198},
{Key::LEFT ,0x001C},
{Key::UP ,0x001E},
{Key::RIGHT ,0x001D},
{Key::DOWN ,0x001F},
{Key::PAGEUP ,0x21DE},
{Key::PAGEDOWN ,0x21DF},
{Key::NUMLOCK ,NSClearLineFunctionKey},
{Key::SCROLLLOCK ,NSScrollLockFunctionKey},
{Key::F1 ,NSF1FunctionKey},
{Key::F2 ,NSF2FunctionKey},
{Key::F3 ,NSF3FunctionKey},
{Key::F4 ,NSF4FunctionKey},
{Key::F5 ,NSF5FunctionKey},
{Key::F6 ,NSF6FunctionKey},
{Key::F7 ,NSF7FunctionKey},
{Key::F8 ,NSF8FunctionKey},
{Key::F9 ,NSF9FunctionKey},
{Key::F10 ,NSF10FunctionKey},
{Key::F11 ,NSF11FunctionKey},
{Key::F12 ,NSF12FunctionKey},
{Key::F13 ,NSF13FunctionKey},
{Key::F14 ,NSF14FunctionKey},
{Key::F15 ,NSF15FunctionKey},
{Key::F16 ,NSF16FunctionKey}, //* ... NSF35FunctionKey */
{Key::MENU ,NSMenuFunctionKey},
{Key::HELP ,NSHelpFunctionKey},
{Key::STOP ,NSStopFunctionKey},
{Key::LAUNCH0 ,NSUserFunctionKey},
{Key::SPACE ,0x0020},
{Key::EXCLAM ,'!'},
{Key::QUOTEDBL ,'\"'},
{Key::NUMBERSIGN ,'#'},
{Key::DOLLAR ,'$'},
{Key::PERCENT ,'\%'},
{Key::AMPERSAND ,'&'},
{Key::APOSTROPHE ,'\''},
{Key::PARENLEFT ,'('},
{Key::PARENRIGHT ,')'},
{Key::ASTERISK ,'*'},
{Key::PLUS ,'+'},
{Key::COMMA ,','},
{Key::MINUS ,'-'},
{Key::PERIOD ,'.'},
{Key::SLASH ,'/'},
{Key::KEY_0 ,'0'},
{Key::KEY_1 ,'1'},
{Key::KEY_2 ,'2'},
{Key::KEY_3 ,'3'},
{Key::KEY_4 ,'4'},
{Key::KEY_5 ,'5'},
{Key::KEY_6 ,'6'},
{Key::KEY_7 ,'7'},
{Key::KEY_8 ,'8'},
{Key::KEY_9 ,'9'},
{Key::COLON ,':'},
{Key::SEMICOLON ,';'},
{Key::LESS ,'<'},
{Key::EQUAL ,'='},
{Key::GREATER ,'>'},
{Key::QUESTION ,'?'},
{Key::AT ,'@'},
{Key::A ,'a'},
{Key::B ,'b'},
{Key::C ,'c'},
{Key::D ,'d'},
{Key::E ,'e'},
{Key::F ,'f'},
{Key::G ,'g'},
{Key::H ,'h'},
{Key::I ,'i'},
{Key::J ,'j'},
{Key::K ,'k'},
{Key::L ,'l'},
{Key::M ,'m'},
{Key::N ,'n'},
{Key::O ,'o'},
{Key::P ,'p'},
{Key::Q ,'q'},
{Key::R ,'r'},
{Key::S ,'s'},
{Key::T ,'t'},
{Key::U ,'u'},
{Key::V ,'v'},
{Key::W ,'w'},
{Key::X ,'x'},
{Key::Y ,'y'},
{Key::Z ,'z'},
{Key::BRACKETLEFT ,'['},
{Key::BACKSLASH ,'\\'},
{Key::BRACKETRIGHT ,']'},
{Key::ASCIICIRCUM ,'^'},
{Key::UNDERSCORE ,'_'},
{Key::QUOTELEFT ,'`'},
{Key::BRACELEFT ,'{'},
{Key::BAR ,'|'},
{Key::BRACERIGHT ,'}'},
{Key::ASCIITILDE ,'~'},
{Key::NONE ,0x0000}
/* clang-format on */
};
String KeyMappingOSX::keycode_get_native_string(Key p_keycode) {
const _KeyCodeText *kct = &_native_keycodes[0];
while (kct->text) {
if (kct->code == p_keycode) {
return String::chr(kct->text);
}
kct++;
}
return String();
}
unsigned int KeyMappingOSX::keycode_get_native_mask(Key p_keycode) {
unsigned int mask = 0;
if ((p_keycode & KeyModifierMask::CTRL) != Key::NONE) {
mask |= NSEventModifierFlagControl;
}
if ((p_keycode & KeyModifierMask::ALT) != Key::NONE) {
mask |= NSEventModifierFlagOption;
}
if ((p_keycode & KeyModifierMask::SHIFT) != Key::NONE) {
mask |= NSEventModifierFlagShift;
}
if ((p_keycode & KeyModifierMask::META) != Key::NONE) {
mask |= NSEventModifierFlagCommand;
}
if ((p_keycode & KeyModifierMask::KPAD) != Key::NONE) {
mask |= NSEventModifierFlagNumericPad;
}
return mask;
}
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