/*  PCSX2 - PS2 Emulator for PCs
 *  Copyright (C) 2002-2022  PCSX2 Dev Team
 *
 *  PCSX2 is free software: you can redistribute it and/or modify it under the terms
 *  of the GNU Lesser General Public License as published by the Free Software Found-
 *  ation, either version 3 of the License, or (at your option) any later version.
 *
 *  PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 *  PURPOSE.  See the GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along with PCSX2.
 *  If not, see <http://www.gnu.org/licenses/>.
 */

#include "PrecompiledHeader.h"

#include "QtUtils.h"

#include "pcsx2/Input/InputManager.h"

#include "common/StringUtil.h"

#include <QtGui/QKeyEvent>

struct KeyCodeName
{
	int code;
	const char* name;
};

static constexpr KeyCodeName s_qt_key_names[] = {
	{Qt::Key_Escape, "Escape"},
	{Qt::Key_Tab, "Tab"},
	{Qt::Key_Backtab, "Backtab"},
	{Qt::Key_Backspace, "Backspace"},
	{Qt::Key_Return, "Return"},
	{Qt::Key_Enter, "Enter"},
	{Qt::Key_Insert, "Insert"},
	{Qt::Key_Delete, "Delete"},
	{Qt::Key_Pause, "Pause"},
	{Qt::Key_Print, "Print"},
	{Qt::Key_SysReq, "SysReq"},
	{Qt::Key_Clear, "Clear"},
	{Qt::Key_Home, "Home"},
	{Qt::Key_End, "End"},
	{Qt::Key_Left, "Left"},
	{Qt::Key_Up, "Up"},
	{Qt::Key_Right, "Right"},
	{Qt::Key_Down, "Down"},
	{Qt::Key_PageUp, "PageUp"},
	{Qt::Key_PageDown, "PageDown"},
	{Qt::Key_Shift, "Shift"},
	{Qt::Key_Control, "Control"},
	{Qt::Key_Meta, "Meta"},
	{Qt::Key_Alt, "Alt"},
	{Qt::Key_CapsLock, "CapsLock"},
	{Qt::Key_NumLock, "NumLock"},
	{Qt::Key_ScrollLock, "ScrollLock"},
	{Qt::Key_F1, "F1"},
	{Qt::Key_F2, "F2"},
	{Qt::Key_F3, "F3"},
	{Qt::Key_F4, "F4"},
	{Qt::Key_F5, "F5"},
	{Qt::Key_F6, "F6"},
	{Qt::Key_F7, "F7"},
	{Qt::Key_F8, "F8"},
	{Qt::Key_F9, "F9"},
	{Qt::Key_F10, "F10"},
	{Qt::Key_F11, "F11"},
	{Qt::Key_F12, "F12"},
	{Qt::Key_F13, "F13"},
	{Qt::Key_F14, "F14"},
	{Qt::Key_F15, "F15"},
	{Qt::Key_F16, "F16"},
	{Qt::Key_F17, "F17"},
	{Qt::Key_F18, "F18"},
	{Qt::Key_F19, "F19"},
	{Qt::Key_F20, "F20"},
	{Qt::Key_F21, "F21"},
	{Qt::Key_F22, "F22"},
	{Qt::Key_F23, "F23"},
	{Qt::Key_F24, "F24"},
	{Qt::Key_F25, "F25"},
	{Qt::Key_F26, "F26"},
	{Qt::Key_F27, "F27"},
	{Qt::Key_F28, "F28"},
	{Qt::Key_F29, "F29"},
	{Qt::Key_F30, "F30"},
	{Qt::Key_F31, "F31"},
	{Qt::Key_F32, "F32"},
	{Qt::Key_F33, "F33"},
	{Qt::Key_F34, "F34"},
	{Qt::Key_F35, "F35"},
	{Qt::Key_Super_L, "Super_L"},
	{Qt::Key_Super_R, "Super_R"},
	{Qt::Key_Menu, "Menu"},
	{Qt::Key_Hyper_L, "Hyper_L"},
	{Qt::Key_Hyper_R, "Hyper_R"},
	{Qt::Key_Help, "Help"},
	{Qt::Key_Direction_L, "Direction_L"},
	{Qt::Key_Direction_R, "Direction_R"},
	{Qt::Key_Space, "Space"},
	{Qt::Key_Any, "Any"},
	{Qt::Key_Exclam, "Exclam"},
	{Qt::Key_QuoteDbl, "QuoteDbl"},
	{Qt::Key_NumberSign, "NumberSign"},
	{Qt::Key_Dollar, "Dollar"},
	{Qt::Key_Percent, "Percent"},
	{Qt::Key_Ampersand, "Ampersand"},
	{Qt::Key_Apostrophe, "Apostrophe"},
	{Qt::Key_ParenLeft, "ParenLeft"},
	{Qt::Key_ParenRight, "ParenRight"},
	{Qt::Key_Asterisk, "Asterisk"},
	{Qt::Key_Plus, "Plus"},
	{Qt::Key_Comma, "Comma"},
	{Qt::Key_Minus, "Minus"},
	{Qt::Key_Period, "Period"},
	{Qt::Key_Slash, "Slash"},
	{Qt::Key_0, "0"},
	{Qt::Key_1, "1"},
	{Qt::Key_2, "2"},
	{Qt::Key_3, "3"},
	{Qt::Key_4, "4"},
	{Qt::Key_5, "5"},
	{Qt::Key_6, "6"},
	{Qt::Key_7, "7"},
	{Qt::Key_8, "8"},
	{Qt::Key_9, "9"},
	{Qt::Key_Colon, "Colon"},
	{Qt::Key_Semicolon, "Semicolon"},
	{Qt::Key_Less, "Less"},
	{Qt::Key_Equal, "Equal"},
	{Qt::Key_Greater, "Greater"},
	{Qt::Key_Question, "Question"},
	{Qt::Key_At, "At"},
	{Qt::Key_A, "A"},
	{Qt::Key_B, "B"},
	{Qt::Key_C, "C"},
	{Qt::Key_D, "D"},
	{Qt::Key_E, "E"},
	{Qt::Key_F, "F"},
	{Qt::Key_G, "G"},
	{Qt::Key_H, "H"},
	{Qt::Key_I, "I"},
	{Qt::Key_J, "J"},
	{Qt::Key_K, "K"},
	{Qt::Key_L, "L"},
	{Qt::Key_M, "M"},
	{Qt::Key_N, "N"},
	{Qt::Key_O, "O"},
	{Qt::Key_P, "P"},
	{Qt::Key_Q, "Q"},
	{Qt::Key_R, "R"},
	{Qt::Key_S, "S"},
	{Qt::Key_T, "T"},
	{Qt::Key_U, "U"},
	{Qt::Key_V, "V"},
	{Qt::Key_W, "W"},
	{Qt::Key_X, "X"},
	{Qt::Key_Y, "Y"},
	{Qt::Key_Z, "Z"},
	{Qt::Key_BracketLeft, "BracketLeft"},
	{Qt::Key_Backslash, "Backslash"},
	{Qt::Key_BracketRight, "BracketRight"},
	{Qt::Key_AsciiCircum, "AsciiCircum"},
	{Qt::Key_Underscore, "Underscore"},
	{Qt::Key_QuoteLeft, "QuoteLeft"},
	{Qt::Key_BraceLeft, "BraceLeft"},
	{Qt::Key_Bar, "Bar"},
	{Qt::Key_BraceRight, "BraceRight"},
	{Qt::Key_AsciiTilde, "AsciiTilde"},
	{Qt::Key_nobreakspace, "nobreakspace"},
	{Qt::Key_exclamdown, "exclamdown"},
	{Qt::Key_cent, "cent"},
	{Qt::Key_sterling, "sterling"},
	{Qt::Key_currency, "currency"},
	{Qt::Key_yen, "yen"},
	{Qt::Key_brokenbar, "brokenbar"},
	{Qt::Key_section, "section"},
	{Qt::Key_diaeresis, "diaeresis"},
	{Qt::Key_copyright, "copyright"},
	{Qt::Key_ordfeminine, "ordfeminine"},
	{Qt::Key_guillemotleft, "guillemotleft"},
	{Qt::Key_notsign, "notsign"},
	{Qt::Key_hyphen, "hyphen"},
	{Qt::Key_registered, "registered"},
	{Qt::Key_macron, "macron"},
	{Qt::Key_degree, "degree"},
	{Qt::Key_plusminus, "plusminus"},
	{Qt::Key_twosuperior, "twosuperior"},
	{Qt::Key_threesuperior, "threesuperior"},
	{Qt::Key_acute, "acute"},
	{Qt::Key_mu, "mu"},
	{Qt::Key_paragraph, "paragraph"},
	{Qt::Key_periodcentered, "periodcentered"},
	{Qt::Key_cedilla, "cedilla"},
	{Qt::Key_onesuperior, "onesuperior"},
	{Qt::Key_masculine, "masculine"},
	{Qt::Key_guillemotright, "guillemotright"},
	{Qt::Key_onequarter, "onequarter"},
	{Qt::Key_onehalf, "onehalf"},
	{Qt::Key_threequarters, "threequarters"},
	{Qt::Key_questiondown, "questiondown"},
	{Qt::Key_Agrave, "Agrave"},
	{Qt::Key_Aacute, "Aacute"},
	{Qt::Key_Acircumflex, "Acircumflex"},
	{Qt::Key_Atilde, "Atilde"},
	{Qt::Key_Adiaeresis, "Adiaeresis"},
	{Qt::Key_Aring, "Aring"},
	{Qt::Key_AE, "AE"},
	{Qt::Key_Ccedilla, "Ccedilla"},
	{Qt::Key_Egrave, "Egrave"},
	{Qt::Key_Eacute, "Eacute"},
	{Qt::Key_Ecircumflex, "Ecircumflex"},
	{Qt::Key_Ediaeresis, "Ediaeresis"},
	{Qt::Key_Igrave, "Igrave"},
	{Qt::Key_Iacute, "Iacute"},
	{Qt::Key_Icircumflex, "Icircumflex"},
	{Qt::Key_Idiaeresis, "Idiaeresis"},
	{Qt::Key_ETH, "ETH"},
	{Qt::Key_Ntilde, "Ntilde"},
	{Qt::Key_Ograve, "Ograve"},
	{Qt::Key_Oacute, "Oacute"},
	{Qt::Key_Ocircumflex, "Ocircumflex"},
	{Qt::Key_Otilde, "Otilde"},
	{Qt::Key_Odiaeresis, "Odiaeresis"},
	{Qt::Key_multiply, "multiply"},
	{Qt::Key_Ooblique, "Ooblique"},
	{Qt::Key_Ugrave, "Ugrave"},
	{Qt::Key_Uacute, "Uacute"},
	{Qt::Key_Ucircumflex, "Ucircumflex"},
	{Qt::Key_Udiaeresis, "Udiaeresis"},
	{Qt::Key_Yacute, "Yacute"},
	{Qt::Key_THORN, "THORN"},
	{Qt::Key_ssharp, "ssharp"},
	{Qt::Key_division, "division"},
	{Qt::Key_ydiaeresis, "ydiaeresis"},
	{Qt::Key_AltGr, "AltGr"},
	{Qt::Key_Multi_key, "Multi_key"},
	{Qt::Key_Codeinput, "Codeinput"},
	{Qt::Key_SingleCandidate, "SingleCandidate"},
	{Qt::Key_MultipleCandidate, "MultipleCandidate"},
	{Qt::Key_PreviousCandidate, "PreviousCandidate"},
	{Qt::Key_Mode_switch, "Mode_switch"},
	{Qt::Key_Kanji, "Kanji"},
	{Qt::Key_Muhenkan, "Muhenkan"},
	{Qt::Key_Henkan, "Henkan"},
	{Qt::Key_Romaji, "Romaji"},
	{Qt::Key_Hiragana, "Hiragana"},
	{Qt::Key_Katakana, "Katakana"},
	{Qt::Key_Hiragana_Katakana, "Hiragana_Katakana"},
	{Qt::Key_Zenkaku, "Zenkaku"},
	{Qt::Key_Hankaku, "Hankaku"},
	{Qt::Key_Zenkaku_Hankaku, "Zenkaku_Hankaku"},
	{Qt::Key_Touroku, "Touroku"},
	{Qt::Key_Massyo, "Massyo"},
	{Qt::Key_Kana_Lock, "Kana_Lock"},
	{Qt::Key_Kana_Shift, "Kana_Shift"},
	{Qt::Key_Eisu_Shift, "Eisu_Shift"},
	{Qt::Key_Eisu_toggle, "Eisu_toggle"},
	{Qt::Key_Hangul, "Hangul"},
	{Qt::Key_Hangul_Start, "Hangul_Start"},
	{Qt::Key_Hangul_End, "Hangul_End"},
	{Qt::Key_Hangul_Hanja, "Hangul_Hanja"},
	{Qt::Key_Hangul_Jamo, "Hangul_Jamo"},
	{Qt::Key_Hangul_Romaja, "Hangul_Romaja"},
	{Qt::Key_Hangul_Jeonja, "Hangul_Jeonja"},
	{Qt::Key_Hangul_Banja, "Hangul_Banja"},
	{Qt::Key_Hangul_PreHanja, "Hangul_PreHanja"},
	{Qt::Key_Hangul_PostHanja, "Hangul_PostHanja"},
	{Qt::Key_Hangul_Special, "Hangul_Special"},
	{Qt::Key_Dead_Grave, "Dead_Grave"},
	{Qt::Key_Dead_Acute, "Dead_Acute"},
	{Qt::Key_Dead_Circumflex, "Dead_Circumflex"},
	{Qt::Key_Dead_Tilde, "Dead_Tilde"},
	{Qt::Key_Dead_Macron, "Dead_Macron"},
	{Qt::Key_Dead_Breve, "Dead_Breve"},
	{Qt::Key_Dead_Abovedot, "Dead_Abovedot"},
	{Qt::Key_Dead_Diaeresis, "Dead_Diaeresis"},
	{Qt::Key_Dead_Abovering, "Dead_Abovering"},
	{Qt::Key_Dead_Doubleacute, "Dead_Doubleacute"},
	{Qt::Key_Dead_Caron, "Dead_Caron"},
	{Qt::Key_Dead_Cedilla, "Dead_Cedilla"},
	{Qt::Key_Dead_Ogonek, "Dead_Ogonek"},
	{Qt::Key_Dead_Iota, "Dead_Iota"},
	{Qt::Key_Dead_Voiced_Sound, "Dead_Voiced_Sound"},
	{Qt::Key_Dead_Semivoiced_Sound, "Dead_Semivoiced_Sound"},
	{Qt::Key_Dead_Belowdot, "Dead_Belowdot"},
	{Qt::Key_Dead_Hook, "Dead_Hook"},
	{Qt::Key_Dead_Horn, "Dead_Horn"},
	{Qt::Key_Back, "Back"},
	{Qt::Key_Forward, "Forward"},
	{Qt::Key_Stop, "Stop"},
	{Qt::Key_Refresh, "Refresh"},
	{Qt::Key_VolumeDown, "VolumeDown"},
	{Qt::Key_VolumeMute, "VolumeMute"},
	{Qt::Key_VolumeUp, "VolumeUp"},
	{Qt::Key_BassBoost, "BassBoost"},
	{Qt::Key_BassUp, "BassUp"},
	{Qt::Key_BassDown, "BassDown"},
	{Qt::Key_TrebleUp, "TrebleUp"},
	{Qt::Key_TrebleDown, "TrebleDown"},
	{Qt::Key_MediaPlay, "MediaPlay"},
	{Qt::Key_MediaStop, "MediaStop"},
	{Qt::Key_MediaPrevious, "MediaPrevious"},
	{Qt::Key_MediaNext, "MediaNext"},
	{Qt::Key_MediaRecord, "MediaRecord"},
	{Qt::Key_MediaPause, "MediaPause"},
	{Qt::Key_MediaTogglePlayPause, "MediaTogglePlayPause"},
	{Qt::Key_HomePage, "HomePage"},
	{Qt::Key_Favorites, "Favorites"},
	{Qt::Key_Search, "Search"},
	{Qt::Key_Standby, "Standby"},
	{Qt::Key_OpenUrl, "OpenUrl"},
	{Qt::Key_LaunchMail, "LaunchMail"},
	{Qt::Key_LaunchMedia, "LaunchMedia"},
	{Qt::Key_Launch0, "Launch0"},
	{Qt::Key_Launch1, "Launch1"},
	{Qt::Key_Launch2, "Launch2"},
	{Qt::Key_Launch3, "Launch3"},
	{Qt::Key_Launch4, "Launch4"},
	{Qt::Key_Launch5, "Launch5"},
	{Qt::Key_Launch6, "Launch6"},
	{Qt::Key_Launch7, "Launch7"},
	{Qt::Key_Launch8, "Launch8"},
	{Qt::Key_Launch9, "Launch9"},
	{Qt::Key_LaunchA, "LaunchA"},
	{Qt::Key_LaunchB, "LaunchB"},
	{Qt::Key_LaunchC, "LaunchC"},
	{Qt::Key_LaunchD, "LaunchD"},
	{Qt::Key_LaunchE, "LaunchE"},
	{Qt::Key_LaunchF, "LaunchF"},
	{Qt::Key_MonBrightnessUp, "MonBrightnessUp"},
	{Qt::Key_MonBrightnessDown, "MonBrightnessDown"},
	{Qt::Key_KeyboardLightOnOff, "KeyboardLightOnOff"},
	{Qt::Key_KeyboardBrightnessUp, "KeyboardBrightnessUp"},
	{Qt::Key_KeyboardBrightnessDown, "KeyboardBrightnessDown"},
	{Qt::Key_PowerOff, "PowerOff"},
	{Qt::Key_WakeUp, "WakeUp"},
	{Qt::Key_Eject, "Eject"},
	{Qt::Key_ScreenSaver, "ScreenSaver"},
	{Qt::Key_WWW, "WWW"},
	{Qt::Key_Memo, "Memo"},
	{Qt::Key_LightBulb, "LightBulb"},
	{Qt::Key_Shop, "Shop"},
	{Qt::Key_History, "History"},
	{Qt::Key_AddFavorite, "AddFavorite"},
	{Qt::Key_HotLinks, "HotLinks"},
	{Qt::Key_BrightnessAdjust, "BrightnessAdjust"},
	{Qt::Key_Finance, "Finance"},
	{Qt::Key_Community, "Community"},
	{Qt::Key_AudioRewind, "AudioRewind"},
	{Qt::Key_BackForward, "BackForward"},
	{Qt::Key_ApplicationLeft, "ApplicationLeft"},
	{Qt::Key_ApplicationRight, "ApplicationRight"},
	{Qt::Key_Book, "Book"},
	{Qt::Key_CD, "CD"},
	{Qt::Key_Calculator, "Calculator"},
	{Qt::Key_ToDoList, "ToDoList"},
	{Qt::Key_ClearGrab, "ClearGrab"},
	{Qt::Key_Close, "Close"},
	{Qt::Key_Copy, "Copy"},
	{Qt::Key_Cut, "Cut"},
	{Qt::Key_Display, "Display"},
	{Qt::Key_DOS, "DOS"},
	{Qt::Key_Documents, "Documents"},
	{Qt::Key_Excel, "Excel"},
	{Qt::Key_Explorer, "Explorer"},
	{Qt::Key_Game, "Game"},
	{Qt::Key_Go, "Go"},
	{Qt::Key_iTouch, "iTouch"},
	{Qt::Key_LogOff, "LogOff"},
	{Qt::Key_Market, "Market"},
	{Qt::Key_Meeting, "Meeting"},
	{Qt::Key_MenuKB, "MenuKB"},
	{Qt::Key_MenuPB, "MenuPB"},
	{Qt::Key_MySites, "MySites"},
	{Qt::Key_News, "News"},
	{Qt::Key_OfficeHome, "OfficeHome"},
	{Qt::Key_Option, "Option"},
	{Qt::Key_Paste, "Paste"},
	{Qt::Key_Phone, "Phone"},
	{Qt::Key_Calendar, "Calendar"},
	{Qt::Key_Reply, "Reply"},
	{Qt::Key_Reload, "Reload"},
	{Qt::Key_RotateWindows, "RotateWindows"},
	{Qt::Key_RotationPB, "RotationPB"},
	{Qt::Key_RotationKB, "RotationKB"},
	{Qt::Key_Save, "Save"},
	{Qt::Key_Send, "Send"},
	{Qt::Key_Spell, "Spell"},
	{Qt::Key_SplitScreen, "SplitScreen"},
	{Qt::Key_Support, "Support"},
	{Qt::Key_TaskPane, "TaskPane"},
	{Qt::Key_Terminal, "Terminal"},
	{Qt::Key_Tools, "Tools"},
	{Qt::Key_Travel, "Travel"},
	{Qt::Key_Video, "Video"},
	{Qt::Key_Word, "Word"},
	{Qt::Key_Xfer, "Xfer"},
	{Qt::Key_ZoomIn, "ZoomIn"},
	{Qt::Key_ZoomOut, "ZoomOut"},
	{Qt::Key_Away, "Away"},
	{Qt::Key_Messenger, "Messenger"},
	{Qt::Key_WebCam, "WebCam"},
	{Qt::Key_MailForward, "MailForward"},
	{Qt::Key_Pictures, "Pictures"},
	{Qt::Key_Music, "Music"},
	{Qt::Key_Battery, "Battery"},
	{Qt::Key_Bluetooth, "Bluetooth"},
	{Qt::Key_WLAN, "WLAN"},
	{Qt::Key_UWB, "UWB"},
	{Qt::Key_AudioForward, "AudioForward"},
	{Qt::Key_AudioRepeat, "AudioRepeat"},
	{Qt::Key_AudioRandomPlay, "AudioRandomPlay"},
	{Qt::Key_Subtitle, "Subtitle"},
	{Qt::Key_AudioCycleTrack, "AudioCycleTrack"},
	{Qt::Key_Time, "Time"},
	{Qt::Key_Hibernate, "Hibernate"},
	{Qt::Key_View, "View"},
	{Qt::Key_TopMenu, "TopMenu"},
	{Qt::Key_PowerDown, "PowerDown"},
	{Qt::Key_Suspend, "Suspend"},
	{Qt::Key_ContrastAdjust, "ContrastAdjust"},
	{Qt::Key_LaunchG, "LaunchG"},
	{Qt::Key_LaunchH, "LaunchH"},
	{Qt::Key_TouchpadToggle, "TouchpadToggle"},
	{Qt::Key_TouchpadOn, "TouchpadOn"},
	{Qt::Key_TouchpadOff, "TouchpadOff"},
	{Qt::Key_MicMute, "MicMute"},
	{Qt::Key_Red, "Red"},
	{Qt::Key_Green, "Green"},
	{Qt::Key_Yellow, "Yellow"},
	{Qt::Key_Blue, "Blue"},
	{Qt::Key_ChannelUp, "ChannelUp"},
	{Qt::Key_ChannelDown, "ChannelDown"},
	{Qt::Key_Guide, "Guide"},
	{Qt::Key_Info, "Info"},
	{Qt::Key_Settings, "Settings"},
	{Qt::Key_MicVolumeUp, "MicVolumeUp"},
	{Qt::Key_MicVolumeDown, "MicVolumeDown"},
	{Qt::Key_New, "New"},
	{Qt::Key_Open, "Open"},
	{Qt::Key_Find, "Find"},
	{Qt::Key_Undo, "Undo"},
	{Qt::Key_Redo, "Redo"},
	{Qt::Key_MediaLast, "MediaLast"},
	{Qt::Key_Select, "Select"},
	{Qt::Key_Yes, "Yes"},
	{Qt::Key_No, "No"},
	{Qt::Key_Cancel, "Cancel"},
	{Qt::Key_Printer, "Printer"},
	{Qt::Key_Execute, "Execute"},
	{Qt::Key_Sleep, "Sleep"},
	{Qt::Key_Play, "Play"},
	{Qt::Key_Zoom, "Zoom"},
	{Qt::Key_Exit, "Exit"},
	{Qt::Key_Context1, "Context1"},
	{Qt::Key_Context2, "Context2"},
	{Qt::Key_Context3, "Context3"},
	{Qt::Key_Context4, "Context4"},
	{Qt::Key_Call, "Call"},
	{Qt::Key_Hangup, "Hangup"},
	{Qt::Key_Flip, "Flip"},
	{Qt::Key_ToggleCallHangup, "ToggleCallHangup"},
	{Qt::Key_VoiceDial, "VoiceDial"},
	{Qt::Key_LastNumberRedial, "LastNumberRedial"},
	{Qt::Key_Camera, "Camera"},
	{Qt::Key_CameraFocus, "CameraFocus"}};

std::optional<u32> InputManager::ConvertHostKeyboardStringToCode(const std::string_view& str)
{
	std::string compare_name(str);
	u32 modifier_bits = 0;
	if (StringUtil::StartsWith(compare_name, "Numpad"))
	{
		compare_name = compare_name.substr(6);
		modifier_bits |= Qt::KeypadModifier;
	}

	for (const KeyCodeName& name : s_qt_key_names)
	{
		if (compare_name == name.name)
			return static_cast<u32>(name.code) | modifier_bits;
	}

	return std::nullopt;
}

std::optional<std::string> InputManager::ConvertHostKeyboardCodeToString(u32 code)
{
	std::optional<std::string> ret;

	const u32 modifier_bits = (code & Qt::KeyboardModifierMask);
	const u32 masked_code = (code & ~Qt::KeyboardModifierMask);

	for (const KeyCodeName& name : s_qt_key_names)
	{
		if (static_cast<int>(masked_code) == name.code)
		{
			if (modifier_bits & Qt::KeypadModifier)
				ret = fmt::format("Numpad{}", name.name);
			else
				ret = std::string(name.name);

			break;
		}
	}

	return ret;
}

u32 QtUtils::KeyEventToCode(const QKeyEvent* ev)
{
	int key = ev->key();
	Qt::KeyboardModifiers modifiers = ev->modifiers();

#ifdef __APPLE__
	// On macOS, Qt applies the Keypad modifier regardless of whether the arrow keys, or numpad was pressed.
	// The only way to differentiate between the keypad and the arrow keys is by the text.
	// Hopefully some keyboard layouts don't change the numpad positioning...
	if (modifiers & Qt::KeypadModifier && key >= Qt::Key_Insert && key <= Qt::Key_PageDown)
	{
		if (ev->text().isEmpty())
		{
			// Drop the modifier, because it's probably not actually a numpad push.
			modifiers &= ~Qt::KeypadModifier;
		}
	}
#endif

	return static_cast<u32>(key) | (static_cast<u32>(modifiers) & static_cast<u32>(Qt::KeypadModifier));
}