diff --git a/src/plugins/platforms/xcb/qxcbkeyboard.cpp b/src/plugins/platforms/xcb/qxcbkeyboard.cpp
index 3ad16d78d9e..5a2dac4a5a1 100644
--- a/src/plugins/platforms/xcb/qxcbkeyboard.cpp
+++ b/src/plugins/platforms/xcb/qxcbkeyboard.cpp
@@ -49,6 +49,7 @@
 #include <QtCore/QMetaEnum>
 
 #include <private/qguiapplication_p.h>
+#include <private/qmakearray_p.h>
 
 #include <xkbcommon/xkbcommon-keysyms.h>
 
@@ -57,356 +58,372 @@
 #endif
 QT_BEGIN_NAMESPACE
 
-static const unsigned int KeyTbl[] = {
-    // misc keys
+typedef struct xkb2qt
+{
+    unsigned int xkb;
+    unsigned int qt;
 
-    XKB_KEY_Escape,                  Qt::Key_Escape,
-    XKB_KEY_Tab,                     Qt::Key_Tab,
-    XKB_KEY_ISO_Left_Tab,            Qt::Key_Backtab,
-    XKB_KEY_BackSpace,               Qt::Key_Backspace,
-    XKB_KEY_Return,                  Qt::Key_Return,
-    XKB_KEY_Insert,                  Qt::Key_Insert,
-    XKB_KEY_Delete,                  Qt::Key_Delete,
-    XKB_KEY_Clear,                   Qt::Key_Delete,
-    XKB_KEY_Pause,                   Qt::Key_Pause,
-    XKB_KEY_Print,                   Qt::Key_Print,
-    0x1005FF60,                 Qt::Key_SysReq,         // hardcoded Sun SysReq
-    0x1007ff00,                 Qt::Key_SysReq,         // hardcoded X386 SysReq
+    constexpr bool operator <=(const xkb2qt &that) const noexcept
+    {
+        return xkb <= that.xkb;
+    }
 
-    // cursor movement
+    constexpr bool operator <(const xkb2qt &that) const noexcept
+    {
+        return xkb < that.xkb;
+    }
+} xkb2qt_t;
 
-    XKB_KEY_Home,                    Qt::Key_Home,
-    XKB_KEY_End,                     Qt::Key_End,
-    XKB_KEY_Left,                    Qt::Key_Left,
-    XKB_KEY_Up,                      Qt::Key_Up,
-    XKB_KEY_Right,                   Qt::Key_Right,
-    XKB_KEY_Down,                    Qt::Key_Down,
-    XKB_KEY_Prior,                   Qt::Key_PageUp,
-    XKB_KEY_Next,                    Qt::Key_PageDown,
-
-    // modifiers
-
-    XKB_KEY_Shift_L,                 Qt::Key_Shift,
-    XKB_KEY_Shift_R,                 Qt::Key_Shift,
-    XKB_KEY_Shift_Lock,              Qt::Key_Shift,
-    XKB_KEY_Control_L,               Qt::Key_Control,
-    XKB_KEY_Control_R,               Qt::Key_Control,
-    XKB_KEY_Meta_L,                  Qt::Key_Meta,
-    XKB_KEY_Meta_R,                  Qt::Key_Meta,
-    XKB_KEY_Alt_L,                   Qt::Key_Alt,
-    XKB_KEY_Alt_R,                   Qt::Key_Alt,
-    XKB_KEY_Caps_Lock,               Qt::Key_CapsLock,
-    XKB_KEY_Num_Lock,                Qt::Key_NumLock,
-    XKB_KEY_Scroll_Lock,             Qt::Key_ScrollLock,
-    XKB_KEY_Super_L,                 Qt::Key_Super_L,
-    XKB_KEY_Super_R,                 Qt::Key_Super_R,
-    XKB_KEY_Menu,                    Qt::Key_Menu,
-    XKB_KEY_Hyper_L,                 Qt::Key_Hyper_L,
-    XKB_KEY_Hyper_R,                 Qt::Key_Hyper_R,
-    XKB_KEY_Help,                    Qt::Key_Help,
-    0x1000FF74,                 Qt::Key_Backtab,        // hardcoded HP backtab
-    0x1005FF10,                 Qt::Key_F11,            // hardcoded Sun F36 (labeled F11)
-    0x1005FF11,                 Qt::Key_F12,            // hardcoded Sun F37 (labeled F12)
-
-    // numeric and function keypad keys
-
-    XKB_KEY_KP_Space,                Qt::Key_Space,
-    XKB_KEY_KP_Tab,                  Qt::Key_Tab,
-    XKB_KEY_KP_Enter,                Qt::Key_Enter,
-    //XKB_KEY_KP_F1,                 Qt::Key_F1,
-    //XKB_KEY_KP_F2,                 Qt::Key_F2,
-    //XKB_KEY_KP_F3,                 Qt::Key_F3,
-    //XKB_KEY_KP_F4,                 Qt::Key_F4,
-    XKB_KEY_KP_Home,                 Qt::Key_Home,
-    XKB_KEY_KP_Left,                 Qt::Key_Left,
-    XKB_KEY_KP_Up,                   Qt::Key_Up,
-    XKB_KEY_KP_Right,                Qt::Key_Right,
-    XKB_KEY_KP_Down,                 Qt::Key_Down,
-    XKB_KEY_KP_Prior,                Qt::Key_PageUp,
-    XKB_KEY_KP_Next,                 Qt::Key_PageDown,
-    XKB_KEY_KP_End,                  Qt::Key_End,
-    XKB_KEY_KP_Begin,                Qt::Key_Clear,
-    XKB_KEY_KP_Insert,               Qt::Key_Insert,
-    XKB_KEY_KP_Delete,               Qt::Key_Delete,
-    XKB_KEY_KP_Equal,                Qt::Key_Equal,
-    XKB_KEY_KP_Multiply,             Qt::Key_Asterisk,
-    XKB_KEY_KP_Add,                  Qt::Key_Plus,
-    XKB_KEY_KP_Separator,            Qt::Key_Comma,
-    XKB_KEY_KP_Subtract,             Qt::Key_Minus,
-    XKB_KEY_KP_Decimal,              Qt::Key_Period,
-    XKB_KEY_KP_Divide,               Qt::Key_Slash,
-
-    // special non-XF86 function keys
-
-    XKB_KEY_Undo,                    Qt::Key_Undo,
-    XKB_KEY_Redo,                    Qt::Key_Redo,
-    XKB_KEY_Find,                    Qt::Key_Find,
-    XKB_KEY_Cancel,                  Qt::Key_Cancel,
-
-    // International input method support keys
-
-    // International & multi-key character composition
-    XKB_KEY_ISO_Level3_Shift,        Qt::Key_AltGr,
-    XKB_KEY_Multi_key,               Qt::Key_Multi_key,
-    XKB_KEY_Codeinput,               Qt::Key_Codeinput,
-    XKB_KEY_SingleCandidate,         Qt::Key_SingleCandidate,
-    XKB_KEY_MultipleCandidate,       Qt::Key_MultipleCandidate,
-    XKB_KEY_PreviousCandidate,       Qt::Key_PreviousCandidate,
-
-    // Misc Functions
-    XKB_KEY_Mode_switch,             Qt::Key_Mode_switch,
-    XKB_KEY_script_switch,           Qt::Key_Mode_switch,
-
-    // Japanese keyboard support
-    XKB_KEY_Kanji,                   Qt::Key_Kanji,
-    XKB_KEY_Muhenkan,                Qt::Key_Muhenkan,
-    //XKB_KEY_Henkan_Mode,           Qt::Key_Henkan_Mode,
-    XKB_KEY_Henkan_Mode,             Qt::Key_Henkan,
-    XKB_KEY_Henkan,                  Qt::Key_Henkan,
-    XKB_KEY_Romaji,                  Qt::Key_Romaji,
-    XKB_KEY_Hiragana,                Qt::Key_Hiragana,
-    XKB_KEY_Katakana,                Qt::Key_Katakana,
-    XKB_KEY_Hiragana_Katakana,       Qt::Key_Hiragana_Katakana,
-    XKB_KEY_Zenkaku,                 Qt::Key_Zenkaku,
-    XKB_KEY_Hankaku,                 Qt::Key_Hankaku,
-    XKB_KEY_Zenkaku_Hankaku,         Qt::Key_Zenkaku_Hankaku,
-    XKB_KEY_Touroku,                 Qt::Key_Touroku,
-    XKB_KEY_Massyo,                  Qt::Key_Massyo,
-    XKB_KEY_Kana_Lock,               Qt::Key_Kana_Lock,
-    XKB_KEY_Kana_Shift,              Qt::Key_Kana_Shift,
-    XKB_KEY_Eisu_Shift,              Qt::Key_Eisu_Shift,
-    XKB_KEY_Eisu_toggle,             Qt::Key_Eisu_toggle,
-    //XKB_KEY_Kanji_Bangou,          Qt::Key_Kanji_Bangou,
-    //XKB_KEY_Zen_Koho,              Qt::Key_Zen_Koho,
-    //XKB_KEY_Mae_Koho,              Qt::Key_Mae_Koho,
-    XKB_KEY_Kanji_Bangou,            Qt::Key_Codeinput,
-    XKB_KEY_Zen_Koho,                Qt::Key_MultipleCandidate,
-    XKB_KEY_Mae_Koho,                Qt::Key_PreviousCandidate,
-
-    // Korean keyboard support
-    XKB_KEY_Hangul,                  Qt::Key_Hangul,
-    XKB_KEY_Hangul_Start,            Qt::Key_Hangul_Start,
-    XKB_KEY_Hangul_End,              Qt::Key_Hangul_End,
-    XKB_KEY_Hangul_Hanja,            Qt::Key_Hangul_Hanja,
-    XKB_KEY_Hangul_Jamo,             Qt::Key_Hangul_Jamo,
-    XKB_KEY_Hangul_Romaja,           Qt::Key_Hangul_Romaja,
-    //XKB_KEY_Hangul_Codeinput,      Qt::Key_Hangul_Codeinput,
-    XKB_KEY_Hangul_Codeinput,        Qt::Key_Codeinput,
-    XKB_KEY_Hangul_Jeonja,           Qt::Key_Hangul_Jeonja,
-    XKB_KEY_Hangul_Banja,            Qt::Key_Hangul_Banja,
-    XKB_KEY_Hangul_PreHanja,         Qt::Key_Hangul_PreHanja,
-    XKB_KEY_Hangul_PostHanja,        Qt::Key_Hangul_PostHanja,
-    //XKB_KEY_Hangul_SingleCandidate,Qt::Key_Hangul_SingleCandidate,
-    //XKB_KEY_Hangul_MultipleCandidate,Qt::Key_Hangul_MultipleCandidate,
-    //XKB_KEY_Hangul_PreviousCandidate,Qt::Key_Hangul_PreviousCandidate,
-    XKB_KEY_Hangul_SingleCandidate,  Qt::Key_SingleCandidate,
-    XKB_KEY_Hangul_MultipleCandidate,Qt::Key_MultipleCandidate,
-    XKB_KEY_Hangul_PreviousCandidate,Qt::Key_PreviousCandidate,
-    XKB_KEY_Hangul_Special,          Qt::Key_Hangul_Special,
-    //XKB_KEY_Hangul_switch,         Qt::Key_Hangul_switch,
-    XKB_KEY_Hangul_switch,           Qt::Key_Mode_switch,
-
-    // dead keys
-    XKB_KEY_dead_grave,              Qt::Key_Dead_Grave,
-    XKB_KEY_dead_acute,              Qt::Key_Dead_Acute,
-    XKB_KEY_dead_circumflex,         Qt::Key_Dead_Circumflex,
-    XKB_KEY_dead_tilde,              Qt::Key_Dead_Tilde,
-    XKB_KEY_dead_macron,             Qt::Key_Dead_Macron,
-    XKB_KEY_dead_breve,              Qt::Key_Dead_Breve,
-    XKB_KEY_dead_abovedot,           Qt::Key_Dead_Abovedot,
-    XKB_KEY_dead_diaeresis,          Qt::Key_Dead_Diaeresis,
-    XKB_KEY_dead_abovering,          Qt::Key_Dead_Abovering,
-    XKB_KEY_dead_doubleacute,        Qt::Key_Dead_Doubleacute,
-    XKB_KEY_dead_caron,              Qt::Key_Dead_Caron,
-    XKB_KEY_dead_cedilla,            Qt::Key_Dead_Cedilla,
-    XKB_KEY_dead_ogonek,             Qt::Key_Dead_Ogonek,
-    XKB_KEY_dead_iota,               Qt::Key_Dead_Iota,
-    XKB_KEY_dead_voiced_sound,       Qt::Key_Dead_Voiced_Sound,
-    XKB_KEY_dead_semivoiced_sound,   Qt::Key_Dead_Semivoiced_Sound,
-    XKB_KEY_dead_belowdot,           Qt::Key_Dead_Belowdot,
-    XKB_KEY_dead_hook,               Qt::Key_Dead_Hook,
-    XKB_KEY_dead_horn,               Qt::Key_Dead_Horn,
-    XKB_KEY_dead_stroke,             Qt::Key_Dead_Stroke,
-    XKB_KEY_dead_abovecomma,         Qt::Key_Dead_Abovecomma,
-    XKB_KEY_dead_abovereversedcomma, Qt::Key_Dead_Abovereversedcomma,
-    XKB_KEY_dead_doublegrave,        Qt::Key_Dead_Doublegrave,
-    XKB_KEY_dead_belowring,          Qt::Key_Dead_Belowring,
-    XKB_KEY_dead_belowmacron,        Qt::Key_Dead_Belowmacron,
-    XKB_KEY_dead_belowcircumflex,    Qt::Key_Dead_Belowcircumflex,
-    XKB_KEY_dead_belowtilde,         Qt::Key_Dead_Belowtilde,
-    XKB_KEY_dead_belowbreve,         Qt::Key_Dead_Belowbreve,
-    XKB_KEY_dead_belowdiaeresis,     Qt::Key_Dead_Belowdiaeresis,
-    XKB_KEY_dead_invertedbreve,      Qt::Key_Dead_Invertedbreve,
-    XKB_KEY_dead_belowcomma,         Qt::Key_Dead_Belowcomma,
-    XKB_KEY_dead_currency,           Qt::Key_Dead_Currency,
-    XKB_KEY_dead_a,                  Qt::Key_Dead_a,
-    XKB_KEY_dead_A,                  Qt::Key_Dead_A,
-    XKB_KEY_dead_e,                  Qt::Key_Dead_e,
-    XKB_KEY_dead_E,                  Qt::Key_Dead_E,
-    XKB_KEY_dead_i,                  Qt::Key_Dead_i,
-    XKB_KEY_dead_I,                  Qt::Key_Dead_I,
-    XKB_KEY_dead_o,                  Qt::Key_Dead_o,
-    XKB_KEY_dead_O,                  Qt::Key_Dead_O,
-    XKB_KEY_dead_u,                  Qt::Key_Dead_u,
-    XKB_KEY_dead_U,                  Qt::Key_Dead_U,
-    XKB_KEY_dead_small_schwa,        Qt::Key_Dead_Small_Schwa,
-    XKB_KEY_dead_capital_schwa,      Qt::Key_Dead_Capital_Schwa,
-    XKB_KEY_dead_greek,              Qt::Key_Dead_Greek,
-    XKB_KEY_dead_lowline,            Qt::Key_Dead_Lowline,
-    XKB_KEY_dead_aboveverticalline,  Qt::Key_Dead_Aboveverticalline,
-    XKB_KEY_dead_belowverticalline,  Qt::Key_Dead_Belowverticalline,
-    XKB_KEY_dead_longsolidusoverlay, Qt::Key_Dead_Longsolidusoverlay,
-
-    // Special keys from X.org - This include multimedia keys,
-    // wireless/bluetooth/uwb keys, special launcher keys, etc.
-    XKB_KEY_XF86Back,                Qt::Key_Back,
-    XKB_KEY_XF86Forward,             Qt::Key_Forward,
-    XKB_KEY_XF86Stop,                Qt::Key_Stop,
-    XKB_KEY_XF86Refresh,             Qt::Key_Refresh,
-    XKB_KEY_XF86Favorites,           Qt::Key_Favorites,
-    XKB_KEY_XF86AudioMedia,          Qt::Key_LaunchMedia,
-    XKB_KEY_XF86OpenURL,             Qt::Key_OpenUrl,
-    XKB_KEY_XF86HomePage,            Qt::Key_HomePage,
-    XKB_KEY_XF86Search,              Qt::Key_Search,
-    XKB_KEY_XF86AudioLowerVolume,    Qt::Key_VolumeDown,
-    XKB_KEY_XF86AudioMute,           Qt::Key_VolumeMute,
-    XKB_KEY_XF86AudioRaiseVolume,    Qt::Key_VolumeUp,
-    XKB_KEY_XF86AudioPlay,           Qt::Key_MediaPlay,
-    XKB_KEY_XF86AudioStop,           Qt::Key_MediaStop,
-    XKB_KEY_XF86AudioPrev,           Qt::Key_MediaPrevious,
-    XKB_KEY_XF86AudioNext,           Qt::Key_MediaNext,
-    XKB_KEY_XF86AudioRecord,         Qt::Key_MediaRecord,
-    XKB_KEY_XF86AudioPause,          Qt::Key_MediaPause,
-    XKB_KEY_XF86Mail,                Qt::Key_LaunchMail,
-    XKB_KEY_XF86MyComputer,          Qt::Key_Launch0,  // ### Qt 6: remap properly
-    XKB_KEY_XF86Calculator,          Qt::Key_Launch1,
-    XKB_KEY_XF86Memo,                Qt::Key_Memo,
-    XKB_KEY_XF86ToDoList,            Qt::Key_ToDoList,
-    XKB_KEY_XF86Calendar,            Qt::Key_Calendar,
-    XKB_KEY_XF86PowerDown,           Qt::Key_PowerDown,
-    XKB_KEY_XF86ContrastAdjust,      Qt::Key_ContrastAdjust,
-    XKB_KEY_XF86Standby,             Qt::Key_Standby,
-    XKB_KEY_XF86MonBrightnessUp,     Qt::Key_MonBrightnessUp,
-    XKB_KEY_XF86MonBrightnessDown,   Qt::Key_MonBrightnessDown,
-    XKB_KEY_XF86KbdLightOnOff,       Qt::Key_KeyboardLightOnOff,
-    XKB_KEY_XF86KbdBrightnessUp,     Qt::Key_KeyboardBrightnessUp,
-    XKB_KEY_XF86KbdBrightnessDown,   Qt::Key_KeyboardBrightnessDown,
-    XKB_KEY_XF86PowerOff,            Qt::Key_PowerOff,
-    XKB_KEY_XF86WakeUp,              Qt::Key_WakeUp,
-    XKB_KEY_XF86Eject,               Qt::Key_Eject,
-    XKB_KEY_XF86ScreenSaver,         Qt::Key_ScreenSaver,
-    XKB_KEY_XF86WWW,                 Qt::Key_WWW,
-    XKB_KEY_XF86Sleep,               Qt::Key_Sleep,
-    XKB_KEY_XF86LightBulb,           Qt::Key_LightBulb,
-    XKB_KEY_XF86Shop,                Qt::Key_Shop,
-    XKB_KEY_XF86History,             Qt::Key_History,
-    XKB_KEY_XF86AddFavorite,         Qt::Key_AddFavorite,
-    XKB_KEY_XF86HotLinks,            Qt::Key_HotLinks,
-    XKB_KEY_XF86BrightnessAdjust,    Qt::Key_BrightnessAdjust,
-    XKB_KEY_XF86Finance,             Qt::Key_Finance,
-    XKB_KEY_XF86Community,           Qt::Key_Community,
-    XKB_KEY_XF86AudioRewind,         Qt::Key_AudioRewind,
-    XKB_KEY_XF86BackForward,         Qt::Key_BackForward,
-    XKB_KEY_XF86ApplicationLeft,     Qt::Key_ApplicationLeft,
-    XKB_KEY_XF86ApplicationRight,    Qt::Key_ApplicationRight,
-    XKB_KEY_XF86Book,                Qt::Key_Book,
-    XKB_KEY_XF86CD,                  Qt::Key_CD,
-    XKB_KEY_XF86Calculater,          Qt::Key_Calculator,
-    XKB_KEY_XF86Clear,               Qt::Key_Clear,
-    XKB_KEY_XF86ClearGrab,           Qt::Key_ClearGrab,
-    XKB_KEY_XF86Close,               Qt::Key_Close,
-    XKB_KEY_XF86Copy,                Qt::Key_Copy,
-    XKB_KEY_XF86Cut,                 Qt::Key_Cut,
-    XKB_KEY_XF86Display,             Qt::Key_Display,
-    XKB_KEY_XF86DOS,                 Qt::Key_DOS,
-    XKB_KEY_XF86Documents,           Qt::Key_Documents,
-    XKB_KEY_XF86Excel,               Qt::Key_Excel,
-    XKB_KEY_XF86Explorer,            Qt::Key_Explorer,
-    XKB_KEY_XF86Game,                Qt::Key_Game,
-    XKB_KEY_XF86Go,                  Qt::Key_Go,
-    XKB_KEY_XF86iTouch,              Qt::Key_iTouch,
-    XKB_KEY_XF86LogOff,              Qt::Key_LogOff,
-    XKB_KEY_XF86Market,              Qt::Key_Market,
-    XKB_KEY_XF86Meeting,             Qt::Key_Meeting,
-    XKB_KEY_XF86MenuKB,              Qt::Key_MenuKB,
-    XKB_KEY_XF86MenuPB,              Qt::Key_MenuPB,
-    XKB_KEY_XF86MySites,             Qt::Key_MySites,
-    XKB_KEY_XF86New,                 Qt::Key_New,
-    XKB_KEY_XF86News,                Qt::Key_News,
-    XKB_KEY_XF86OfficeHome,          Qt::Key_OfficeHome,
-    XKB_KEY_XF86Open,                Qt::Key_Open,
-    XKB_KEY_XF86Option,              Qt::Key_Option,
-    XKB_KEY_XF86Paste,               Qt::Key_Paste,
-    XKB_KEY_XF86Phone,               Qt::Key_Phone,
-    XKB_KEY_XF86Reply,               Qt::Key_Reply,
-    XKB_KEY_XF86Reload,              Qt::Key_Reload,
-    XKB_KEY_XF86RotateWindows,       Qt::Key_RotateWindows,
-    XKB_KEY_XF86RotationPB,          Qt::Key_RotationPB,
-    XKB_KEY_XF86RotationKB,          Qt::Key_RotationKB,
-    XKB_KEY_XF86Save,                Qt::Key_Save,
-    XKB_KEY_XF86Send,                Qt::Key_Send,
-    XKB_KEY_XF86Spell,               Qt::Key_Spell,
-    XKB_KEY_XF86SplitScreen,         Qt::Key_SplitScreen,
-    XKB_KEY_XF86Support,             Qt::Key_Support,
-    XKB_KEY_XF86TaskPane,            Qt::Key_TaskPane,
-    XKB_KEY_XF86Terminal,            Qt::Key_Terminal,
-    XKB_KEY_XF86Tools,               Qt::Key_Tools,
-    XKB_KEY_XF86Travel,              Qt::Key_Travel,
-    XKB_KEY_XF86Video,               Qt::Key_Video,
-    XKB_KEY_XF86Word,                Qt::Key_Word,
-    XKB_KEY_XF86Xfer,                Qt::Key_Xfer,
-    XKB_KEY_XF86ZoomIn,              Qt::Key_ZoomIn,
-    XKB_KEY_XF86ZoomOut,             Qt::Key_ZoomOut,
-    XKB_KEY_XF86Away,                Qt::Key_Away,
-    XKB_KEY_XF86Messenger,           Qt::Key_Messenger,
-    XKB_KEY_XF86WebCam,              Qt::Key_WebCam,
-    XKB_KEY_XF86MailForward,         Qt::Key_MailForward,
-    XKB_KEY_XF86Pictures,            Qt::Key_Pictures,
-    XKB_KEY_XF86Music,               Qt::Key_Music,
-    XKB_KEY_XF86Battery,             Qt::Key_Battery,
-    XKB_KEY_XF86Bluetooth,           Qt::Key_Bluetooth,
-    XKB_KEY_XF86WLAN,                Qt::Key_WLAN,
-    XKB_KEY_XF86UWB,                 Qt::Key_UWB,
-    XKB_KEY_XF86AudioForward,        Qt::Key_AudioForward,
-    XKB_KEY_XF86AudioRepeat,         Qt::Key_AudioRepeat,
-    XKB_KEY_XF86AudioRandomPlay,     Qt::Key_AudioRandomPlay,
-    XKB_KEY_XF86Subtitle,            Qt::Key_Subtitle,
-    XKB_KEY_XF86AudioCycleTrack,     Qt::Key_AudioCycleTrack,
-    XKB_KEY_XF86Time,                Qt::Key_Time,
-    XKB_KEY_XF86Select,              Qt::Key_Select,
-    XKB_KEY_XF86View,                Qt::Key_View,
-    XKB_KEY_XF86TopMenu,             Qt::Key_TopMenu,
-    XKB_KEY_XF86Red,                 Qt::Key_Red,
-    XKB_KEY_XF86Green,               Qt::Key_Green,
-    XKB_KEY_XF86Yellow,              Qt::Key_Yellow,
-    XKB_KEY_XF86Blue,                Qt::Key_Blue,
-    XKB_KEY_XF86Bluetooth,           Qt::Key_Bluetooth,
-    XKB_KEY_XF86Suspend,             Qt::Key_Suspend,
-    XKB_KEY_XF86Hibernate,           Qt::Key_Hibernate,
-    XKB_KEY_XF86TouchpadToggle,      Qt::Key_TouchpadToggle,
-    XKB_KEY_XF86TouchpadOn,          Qt::Key_TouchpadOn,
-    XKB_KEY_XF86TouchpadOff,         Qt::Key_TouchpadOff,
-    XKB_KEY_XF86AudioMicMute,        Qt::Key_MicMute,
-    XKB_KEY_XF86Launch0,             Qt::Key_Launch2, // ### Qt 6: remap properly
-    XKB_KEY_XF86Launch1,             Qt::Key_Launch3,
-    XKB_KEY_XF86Launch2,             Qt::Key_Launch4,
-    XKB_KEY_XF86Launch3,             Qt::Key_Launch5,
-    XKB_KEY_XF86Launch4,             Qt::Key_Launch6,
-    XKB_KEY_XF86Launch5,             Qt::Key_Launch7,
-    XKB_KEY_XF86Launch6,             Qt::Key_Launch8,
-    XKB_KEY_XF86Launch7,             Qt::Key_Launch9,
-    XKB_KEY_XF86Launch8,             Qt::Key_LaunchA,
-    XKB_KEY_XF86Launch9,             Qt::Key_LaunchB,
-    XKB_KEY_XF86LaunchA,             Qt::Key_LaunchC,
-    XKB_KEY_XF86LaunchB,             Qt::Key_LaunchD,
-    XKB_KEY_XF86LaunchC,             Qt::Key_LaunchE,
-    XKB_KEY_XF86LaunchD,             Qt::Key_LaunchF,
-    XKB_KEY_XF86LaunchE,             Qt::Key_LaunchG,
-    XKB_KEY_XF86LaunchF,             Qt::Key_LaunchH,
-
-    0,                          0
+template<std::size_t Xkb, std::size_t Qt>
+struct Xkb2Qt
+{
+    using Type = xkb2qt_t;
+    static constexpr Type data() noexcept { return Type{Xkb, Qt}; }
 };
 
+static constexpr const auto KeyTbl = qMakeArray(
+    QSortedData<
+        // misc keys
+
+        Xkb2Qt<XKB_KEY_Escape,                  Qt::Key_Escape>,
+        Xkb2Qt<XKB_KEY_Tab,                     Qt::Key_Tab>,
+        Xkb2Qt<XKB_KEY_ISO_Left_Tab,            Qt::Key_Backtab>,
+        Xkb2Qt<XKB_KEY_BackSpace,               Qt::Key_Backspace>,
+        Xkb2Qt<XKB_KEY_Return,                  Qt::Key_Return>,
+        Xkb2Qt<XKB_KEY_Insert,                  Qt::Key_Insert>,
+        Xkb2Qt<XKB_KEY_Delete,                  Qt::Key_Delete>,
+        Xkb2Qt<XKB_KEY_Clear,                   Qt::Key_Delete>,
+        Xkb2Qt<XKB_KEY_Pause,                   Qt::Key_Pause>,
+        Xkb2Qt<XKB_KEY_Print,                   Qt::Key_Print>,
+        Xkb2Qt<0x1005FF60,                      Qt::Key_SysReq>,         // hardcoded Sun SysReq
+        Xkb2Qt<0x1007ff00,                      Qt::Key_SysReq>,         // hardcoded X386 SysReq
+
+        // cursor movement
+
+        Xkb2Qt<XKB_KEY_Home,                    Qt::Key_Home>,
+        Xkb2Qt<XKB_KEY_End,                     Qt::Key_End>,
+        Xkb2Qt<XKB_KEY_Left,                    Qt::Key_Left>,
+        Xkb2Qt<XKB_KEY_Up,                      Qt::Key_Up>,
+        Xkb2Qt<XKB_KEY_Right,                   Qt::Key_Right>,
+        Xkb2Qt<XKB_KEY_Down,                    Qt::Key_Down>,
+        Xkb2Qt<XKB_KEY_Prior,                   Qt::Key_PageUp>,
+        Xkb2Qt<XKB_KEY_Next,                    Qt::Key_PageDown>,
+
+        // modifiers
+
+        Xkb2Qt<XKB_KEY_Shift_L,                 Qt::Key_Shift>,
+        Xkb2Qt<XKB_KEY_Shift_R,                 Qt::Key_Shift>,
+        Xkb2Qt<XKB_KEY_Shift_Lock,              Qt::Key_Shift>,
+        Xkb2Qt<XKB_KEY_Control_L,               Qt::Key_Control>,
+        Xkb2Qt<XKB_KEY_Control_R,               Qt::Key_Control>,
+        Xkb2Qt<XKB_KEY_Meta_L,                  Qt::Key_Meta>,
+        Xkb2Qt<XKB_KEY_Meta_R,                  Qt::Key_Meta>,
+        Xkb2Qt<XKB_KEY_Alt_L,                   Qt::Key_Alt>,
+        Xkb2Qt<XKB_KEY_Alt_R,                   Qt::Key_Alt>,
+        Xkb2Qt<XKB_KEY_Caps_Lock,               Qt::Key_CapsLock>,
+        Xkb2Qt<XKB_KEY_Num_Lock,                Qt::Key_NumLock>,
+        Xkb2Qt<XKB_KEY_Scroll_Lock,             Qt::Key_ScrollLock>,
+        Xkb2Qt<XKB_KEY_Super_L,                 Qt::Key_Super_L>,
+        Xkb2Qt<XKB_KEY_Super_R,                 Qt::Key_Super_R>,
+        Xkb2Qt<XKB_KEY_Menu,                    Qt::Key_Menu>,
+        Xkb2Qt<XKB_KEY_Hyper_L,                 Qt::Key_Hyper_L>,
+        Xkb2Qt<XKB_KEY_Hyper_R,                 Qt::Key_Hyper_R>,
+        Xkb2Qt<XKB_KEY_Help,                    Qt::Key_Help>,
+        Xkb2Qt<0x1000FF74,                      Qt::Key_Backtab>,        // hardcoded HP backtab
+        Xkb2Qt<0x1005FF10,                      Qt::Key_F11>,            // hardcoded Sun F36 (labeled F11)
+        Xkb2Qt<0x1005FF11,                      Qt::Key_F12>,            // hardcoded Sun F37 (labeled F12)
+
+        // numeric and function keypad keys
+
+        Xkb2Qt<XKB_KEY_KP_Space,                Qt::Key_Space>,
+        Xkb2Qt<XKB_KEY_KP_Tab,                  Qt::Key_Tab>,
+        Xkb2Qt<XKB_KEY_KP_Enter,                Qt::Key_Enter>,
+        //Xkb2Qt<XKB_KEY_KP_F1,                 Qt::Key_F1>,
+        //Xkb2Qt<XKB_KEY_KP_F2,                 Qt::Key_F2>,
+        //Xkb2Qt<XKB_KEY_KP_F3,                 Qt::Key_F3>,
+        //Xkb2Qt<XKB_KEY_KP_F4,                 Qt::Key_F4>,
+        Xkb2Qt<XKB_KEY_KP_Home,                 Qt::Key_Home>,
+        Xkb2Qt<XKB_KEY_KP_Left,                 Qt::Key_Left>,
+        Xkb2Qt<XKB_KEY_KP_Up,                   Qt::Key_Up>,
+        Xkb2Qt<XKB_KEY_KP_Right,                Qt::Key_Right>,
+        Xkb2Qt<XKB_KEY_KP_Down,                 Qt::Key_Down>,
+        Xkb2Qt<XKB_KEY_KP_Prior,                Qt::Key_PageUp>,
+        Xkb2Qt<XKB_KEY_KP_Next,                 Qt::Key_PageDown>,
+        Xkb2Qt<XKB_KEY_KP_End,                  Qt::Key_End>,
+        Xkb2Qt<XKB_KEY_KP_Begin,                Qt::Key_Clear>,
+        Xkb2Qt<XKB_KEY_KP_Insert,               Qt::Key_Insert>,
+        Xkb2Qt<XKB_KEY_KP_Delete,               Qt::Key_Delete>,
+        Xkb2Qt<XKB_KEY_KP_Equal,                Qt::Key_Equal>,
+        Xkb2Qt<XKB_KEY_KP_Multiply,             Qt::Key_Asterisk>,
+        Xkb2Qt<XKB_KEY_KP_Add,                  Qt::Key_Plus>,
+        Xkb2Qt<XKB_KEY_KP_Separator,            Qt::Key_Comma>,
+        Xkb2Qt<XKB_KEY_KP_Subtract,             Qt::Key_Minus>,
+        Xkb2Qt<XKB_KEY_KP_Decimal,              Qt::Key_Period>,
+        Xkb2Qt<XKB_KEY_KP_Divide,               Qt::Key_Slash>,
+
+        // International input method support keys
+
+        // International & multi-key character composition
+        Xkb2Qt<XKB_KEY_ISO_Level3_Shift,        Qt::Key_AltGr>,
+        Xkb2Qt<XKB_KEY_Multi_key,               Qt::Key_Multi_key>,
+        Xkb2Qt<XKB_KEY_Codeinput,               Qt::Key_Codeinput>,
+        Xkb2Qt<XKB_KEY_SingleCandidate,         Qt::Key_SingleCandidate>,
+        Xkb2Qt<XKB_KEY_MultipleCandidate,       Qt::Key_MultipleCandidate>,
+        Xkb2Qt<XKB_KEY_PreviousCandidate,       Qt::Key_PreviousCandidate>,
+
+        // Misc Functions
+        Xkb2Qt<XKB_KEY_Mode_switch,             Qt::Key_Mode_switch>,
+        Xkb2Qt<XKB_KEY_script_switch,           Qt::Key_Mode_switch>,
+
+        // Japanese keyboard support
+        Xkb2Qt<XKB_KEY_Kanji,                   Qt::Key_Kanji>,
+        Xkb2Qt<XKB_KEY_Muhenkan,                Qt::Key_Muhenkan>,
+        //Xkb2Qt<XKB_KEY_Henkan_Mode,           Qt::Key_Henkan_Mode>,
+        Xkb2Qt<XKB_KEY_Henkan_Mode,             Qt::Key_Henkan>,
+        Xkb2Qt<XKB_KEY_Henkan,                  Qt::Key_Henkan>,
+        Xkb2Qt<XKB_KEY_Romaji,                  Qt::Key_Romaji>,
+        Xkb2Qt<XKB_KEY_Hiragana,                Qt::Key_Hiragana>,
+        Xkb2Qt<XKB_KEY_Katakana,                Qt::Key_Katakana>,
+        Xkb2Qt<XKB_KEY_Hiragana_Katakana,       Qt::Key_Hiragana_Katakana>,
+        Xkb2Qt<XKB_KEY_Zenkaku,                 Qt::Key_Zenkaku>,
+        Xkb2Qt<XKB_KEY_Hankaku,                 Qt::Key_Hankaku>,
+        Xkb2Qt<XKB_KEY_Zenkaku_Hankaku,         Qt::Key_Zenkaku_Hankaku>,
+        Xkb2Qt<XKB_KEY_Touroku,                 Qt::Key_Touroku>,
+        Xkb2Qt<XKB_KEY_Massyo,                  Qt::Key_Massyo>,
+        Xkb2Qt<XKB_KEY_Kana_Lock,               Qt::Key_Kana_Lock>,
+        Xkb2Qt<XKB_KEY_Kana_Shift,              Qt::Key_Kana_Shift>,
+        Xkb2Qt<XKB_KEY_Eisu_Shift,              Qt::Key_Eisu_Shift>,
+        Xkb2Qt<XKB_KEY_Eisu_toggle,             Qt::Key_Eisu_toggle>,
+        //Xkb2Qt<XKB_KEY_Kanji_Bangou,          Qt::Key_Kanji_Bangou>,
+        //Xkb2Qt<XKB_KEY_Zen_Koho,              Qt::Key_Zen_Koho>,
+        //Xkb2Qt<XKB_KEY_Mae_Koho,              Qt::Key_Mae_Koho>,
+        Xkb2Qt<XKB_KEY_Kanji_Bangou,            Qt::Key_Codeinput>,
+        Xkb2Qt<XKB_KEY_Zen_Koho,                Qt::Key_MultipleCandidate>,
+        Xkb2Qt<XKB_KEY_Mae_Koho,                Qt::Key_PreviousCandidate>,
+
+        // Korean keyboard support
+        Xkb2Qt<XKB_KEY_Hangul,                  Qt::Key_Hangul>,
+        Xkb2Qt<XKB_KEY_Hangul_Start,            Qt::Key_Hangul_Start>,
+        Xkb2Qt<XKB_KEY_Hangul_End,              Qt::Key_Hangul_End>,
+        Xkb2Qt<XKB_KEY_Hangul_Hanja,            Qt::Key_Hangul_Hanja>,
+        Xkb2Qt<XKB_KEY_Hangul_Jamo,             Qt::Key_Hangul_Jamo>,
+        Xkb2Qt<XKB_KEY_Hangul_Romaja,           Qt::Key_Hangul_Romaja>,
+        //Xkb2Qt<XKB_KEY_Hangul_Codeinput,      Qt::Key_Hangul_Codeinput>,
+        Xkb2Qt<XKB_KEY_Hangul_Codeinput,        Qt::Key_Codeinput>,
+        Xkb2Qt<XKB_KEY_Hangul_Jeonja,           Qt::Key_Hangul_Jeonja>,
+        Xkb2Qt<XKB_KEY_Hangul_Banja,            Qt::Key_Hangul_Banja>,
+        Xkb2Qt<XKB_KEY_Hangul_PreHanja,         Qt::Key_Hangul_PreHanja>,
+        Xkb2Qt<XKB_KEY_Hangul_PostHanja,        Qt::Key_Hangul_PostHanja>,
+        //Xkb2Qt<XKB_KEY_Hangul_SingleCandidate,Qt::Key_Hangul_SingleCandidate>,
+        //Xkb2Qt<XKB_KEY_Hangul_MultipleCandidate,Qt::Key_Hangul_MultipleCandidate>,
+        //Xkb2Qt<XKB_KEY_Hangul_PreviousCandidate,Qt::Key_Hangul_PreviousCandidate>,
+        Xkb2Qt<XKB_KEY_Hangul_SingleCandidate,  Qt::Key_SingleCandidate>,
+        Xkb2Qt<XKB_KEY_Hangul_MultipleCandidate,Qt::Key_MultipleCandidate>,
+        Xkb2Qt<XKB_KEY_Hangul_PreviousCandidate,Qt::Key_PreviousCandidate>,
+        Xkb2Qt<XKB_KEY_Hangul_Special,          Qt::Key_Hangul_Special>,
+        //Xkb2Qt<XKB_KEY_Hangul_switch,         Qt::Key_Hangul_switch>,
+        Xkb2Qt<XKB_KEY_Hangul_switch,           Qt::Key_Mode_switch>,
+
+        // dead keys
+        Xkb2Qt<XKB_KEY_dead_grave,              Qt::Key_Dead_Grave>,
+        Xkb2Qt<XKB_KEY_dead_acute,              Qt::Key_Dead_Acute>,
+        Xkb2Qt<XKB_KEY_dead_circumflex,         Qt::Key_Dead_Circumflex>,
+        Xkb2Qt<XKB_KEY_dead_tilde,              Qt::Key_Dead_Tilde>,
+        Xkb2Qt<XKB_KEY_dead_macron,             Qt::Key_Dead_Macron>,
+        Xkb2Qt<XKB_KEY_dead_breve,              Qt::Key_Dead_Breve>,
+        Xkb2Qt<XKB_KEY_dead_abovedot,           Qt::Key_Dead_Abovedot>,
+        Xkb2Qt<XKB_KEY_dead_diaeresis,          Qt::Key_Dead_Diaeresis>,
+        Xkb2Qt<XKB_KEY_dead_abovering,          Qt::Key_Dead_Abovering>,
+        Xkb2Qt<XKB_KEY_dead_doubleacute,        Qt::Key_Dead_Doubleacute>,
+        Xkb2Qt<XKB_KEY_dead_caron,              Qt::Key_Dead_Caron>,
+        Xkb2Qt<XKB_KEY_dead_cedilla,            Qt::Key_Dead_Cedilla>,
+        Xkb2Qt<XKB_KEY_dead_ogonek,             Qt::Key_Dead_Ogonek>,
+        Xkb2Qt<XKB_KEY_dead_iota,               Qt::Key_Dead_Iota>,
+        Xkb2Qt<XKB_KEY_dead_voiced_sound,       Qt::Key_Dead_Voiced_Sound>,
+        Xkb2Qt<XKB_KEY_dead_semivoiced_sound,   Qt::Key_Dead_Semivoiced_Sound>,
+        Xkb2Qt<XKB_KEY_dead_belowdot,           Qt::Key_Dead_Belowdot>,
+        Xkb2Qt<XKB_KEY_dead_hook,               Qt::Key_Dead_Hook>,
+        Xkb2Qt<XKB_KEY_dead_horn,               Qt::Key_Dead_Horn>,
+        Xkb2Qt<XKB_KEY_dead_stroke,             Qt::Key_Dead_Stroke>,
+        Xkb2Qt<XKB_KEY_dead_abovecomma,         Qt::Key_Dead_Abovecomma>,
+        Xkb2Qt<XKB_KEY_dead_abovereversedcomma, Qt::Key_Dead_Abovereversedcomma>,
+        Xkb2Qt<XKB_KEY_dead_doublegrave,        Qt::Key_Dead_Doublegrave>,
+        Xkb2Qt<XKB_KEY_dead_belowring,          Qt::Key_Dead_Belowring>,
+        Xkb2Qt<XKB_KEY_dead_belowmacron,        Qt::Key_Dead_Belowmacron>,
+        Xkb2Qt<XKB_KEY_dead_belowcircumflex,    Qt::Key_Dead_Belowcircumflex>,
+        Xkb2Qt<XKB_KEY_dead_belowtilde,         Qt::Key_Dead_Belowtilde>,
+        Xkb2Qt<XKB_KEY_dead_belowbreve,         Qt::Key_Dead_Belowbreve>,
+        Xkb2Qt<XKB_KEY_dead_belowdiaeresis,     Qt::Key_Dead_Belowdiaeresis>,
+        Xkb2Qt<XKB_KEY_dead_invertedbreve,      Qt::Key_Dead_Invertedbreve>,
+        Xkb2Qt<XKB_KEY_dead_belowcomma,         Qt::Key_Dead_Belowcomma>,
+        Xkb2Qt<XKB_KEY_dead_currency,           Qt::Key_Dead_Currency>,
+        Xkb2Qt<XKB_KEY_dead_a,                  Qt::Key_Dead_a>,
+        Xkb2Qt<XKB_KEY_dead_A,                  Qt::Key_Dead_A>,
+        Xkb2Qt<XKB_KEY_dead_e,                  Qt::Key_Dead_e>,
+        Xkb2Qt<XKB_KEY_dead_E,                  Qt::Key_Dead_E>,
+        Xkb2Qt<XKB_KEY_dead_i,                  Qt::Key_Dead_i>,
+        Xkb2Qt<XKB_KEY_dead_I,                  Qt::Key_Dead_I>,
+        Xkb2Qt<XKB_KEY_dead_o,                  Qt::Key_Dead_o>,
+        Xkb2Qt<XKB_KEY_dead_O,                  Qt::Key_Dead_O>,
+        Xkb2Qt<XKB_KEY_dead_u,                  Qt::Key_Dead_u>,
+        Xkb2Qt<XKB_KEY_dead_U,                  Qt::Key_Dead_U>,
+        Xkb2Qt<XKB_KEY_dead_small_schwa,        Qt::Key_Dead_Small_Schwa>,
+        Xkb2Qt<XKB_KEY_dead_capital_schwa,      Qt::Key_Dead_Capital_Schwa>,
+        Xkb2Qt<XKB_KEY_dead_greek,              Qt::Key_Dead_Greek>,
+        Xkb2Qt<XKB_KEY_dead_lowline,            Qt::Key_Dead_Lowline>,
+        Xkb2Qt<XKB_KEY_dead_aboveverticalline,  Qt::Key_Dead_Aboveverticalline>,
+        Xkb2Qt<XKB_KEY_dead_belowverticalline,  Qt::Key_Dead_Belowverticalline>,
+        Xkb2Qt<XKB_KEY_dead_longsolidusoverlay, Qt::Key_Dead_Longsolidusoverlay>,
+
+        // Special keys from X.org - This include multimedia keys,
+        // wireless/bluetooth/uwb keys, special launcher keys, etc.
+        Xkb2Qt<XKB_KEY_XF86Back,                Qt::Key_Back>,
+        Xkb2Qt<XKB_KEY_XF86Forward,             Qt::Key_Forward>,
+        Xkb2Qt<XKB_KEY_XF86Stop,                Qt::Key_Stop>,
+        Xkb2Qt<XKB_KEY_XF86Refresh,             Qt::Key_Refresh>,
+        Xkb2Qt<XKB_KEY_XF86Favorites,           Qt::Key_Favorites>,
+        Xkb2Qt<XKB_KEY_XF86AudioMedia,          Qt::Key_LaunchMedia>,
+        Xkb2Qt<XKB_KEY_XF86OpenURL,             Qt::Key_OpenUrl>,
+        Xkb2Qt<XKB_KEY_XF86HomePage,            Qt::Key_HomePage>,
+        Xkb2Qt<XKB_KEY_XF86Search,              Qt::Key_Search>,
+        Xkb2Qt<XKB_KEY_XF86AudioLowerVolume,    Qt::Key_VolumeDown>,
+        Xkb2Qt<XKB_KEY_XF86AudioMute,           Qt::Key_VolumeMute>,
+        Xkb2Qt<XKB_KEY_XF86AudioRaiseVolume,    Qt::Key_VolumeUp>,
+        Xkb2Qt<XKB_KEY_XF86AudioPlay,           Qt::Key_MediaPlay>,
+        Xkb2Qt<XKB_KEY_XF86AudioStop,           Qt::Key_MediaStop>,
+        Xkb2Qt<XKB_KEY_XF86AudioPrev,           Qt::Key_MediaPrevious>,
+        Xkb2Qt<XKB_KEY_XF86AudioNext,           Qt::Key_MediaNext>,
+        Xkb2Qt<XKB_KEY_XF86AudioRecord,         Qt::Key_MediaRecord>,
+        Xkb2Qt<XKB_KEY_XF86AudioPause,          Qt::Key_MediaPause>,
+        Xkb2Qt<XKB_KEY_XF86Mail,                Qt::Key_LaunchMail>,
+        Xkb2Qt<XKB_KEY_XF86MyComputer,          Qt::Key_Launch0>,  // ### Qt 6: remap properly
+        Xkb2Qt<XKB_KEY_XF86Calculator,          Qt::Key_Launch1>,
+        Xkb2Qt<XKB_KEY_XF86Memo,                Qt::Key_Memo>,
+        Xkb2Qt<XKB_KEY_XF86ToDoList,            Qt::Key_ToDoList>,
+        Xkb2Qt<XKB_KEY_XF86Calendar,            Qt::Key_Calendar>,
+        Xkb2Qt<XKB_KEY_XF86PowerDown,           Qt::Key_PowerDown>,
+        Xkb2Qt<XKB_KEY_XF86ContrastAdjust,      Qt::Key_ContrastAdjust>,
+        Xkb2Qt<XKB_KEY_XF86Standby,             Qt::Key_Standby>,
+        Xkb2Qt<XKB_KEY_XF86MonBrightnessUp,     Qt::Key_MonBrightnessUp>,
+        Xkb2Qt<XKB_KEY_XF86MonBrightnessDown,   Qt::Key_MonBrightnessDown>,
+        Xkb2Qt<XKB_KEY_XF86KbdLightOnOff,       Qt::Key_KeyboardLightOnOff>,
+        Xkb2Qt<XKB_KEY_XF86KbdBrightnessUp,     Qt::Key_KeyboardBrightnessUp>,
+        Xkb2Qt<XKB_KEY_XF86KbdBrightnessDown,   Qt::Key_KeyboardBrightnessDown>,
+        Xkb2Qt<XKB_KEY_XF86PowerOff,            Qt::Key_PowerOff>,
+        Xkb2Qt<XKB_KEY_XF86WakeUp,              Qt::Key_WakeUp>,
+        Xkb2Qt<XKB_KEY_XF86Eject,               Qt::Key_Eject>,
+        Xkb2Qt<XKB_KEY_XF86ScreenSaver,         Qt::Key_ScreenSaver>,
+        Xkb2Qt<XKB_KEY_XF86WWW,                 Qt::Key_WWW>,
+        Xkb2Qt<XKB_KEY_XF86Sleep,               Qt::Key_Sleep>,
+        Xkb2Qt<XKB_KEY_XF86LightBulb,           Qt::Key_LightBulb>,
+        Xkb2Qt<XKB_KEY_XF86Shop,                Qt::Key_Shop>,
+        Xkb2Qt<XKB_KEY_XF86History,             Qt::Key_History>,
+        Xkb2Qt<XKB_KEY_XF86AddFavorite,         Qt::Key_AddFavorite>,
+        Xkb2Qt<XKB_KEY_XF86HotLinks,            Qt::Key_HotLinks>,
+        Xkb2Qt<XKB_KEY_XF86BrightnessAdjust,    Qt::Key_BrightnessAdjust>,
+        Xkb2Qt<XKB_KEY_XF86Finance,             Qt::Key_Finance>,
+        Xkb2Qt<XKB_KEY_XF86Community,           Qt::Key_Community>,
+        Xkb2Qt<XKB_KEY_XF86AudioRewind,         Qt::Key_AudioRewind>,
+        Xkb2Qt<XKB_KEY_XF86BackForward,         Qt::Key_BackForward>,
+        Xkb2Qt<XKB_KEY_XF86ApplicationLeft,     Qt::Key_ApplicationLeft>,
+        Xkb2Qt<XKB_KEY_XF86ApplicationRight,    Qt::Key_ApplicationRight>,
+        Xkb2Qt<XKB_KEY_XF86Book,                Qt::Key_Book>,
+        Xkb2Qt<XKB_KEY_XF86CD,                  Qt::Key_CD>,
+        Xkb2Qt<XKB_KEY_XF86Calculater,          Qt::Key_Calculator>,
+        Xkb2Qt<XKB_KEY_XF86Clear,               Qt::Key_Clear>,
+        Xkb2Qt<XKB_KEY_XF86ClearGrab,           Qt::Key_ClearGrab>,
+        Xkb2Qt<XKB_KEY_XF86Close,               Qt::Key_Close>,
+        Xkb2Qt<XKB_KEY_XF86Copy,                Qt::Key_Copy>,
+        Xkb2Qt<XKB_KEY_XF86Cut,                 Qt::Key_Cut>,
+        Xkb2Qt<XKB_KEY_XF86Display,             Qt::Key_Display>,
+        Xkb2Qt<XKB_KEY_XF86DOS,                 Qt::Key_DOS>,
+        Xkb2Qt<XKB_KEY_XF86Documents,           Qt::Key_Documents>,
+        Xkb2Qt<XKB_KEY_XF86Excel,               Qt::Key_Excel>,
+        Xkb2Qt<XKB_KEY_XF86Explorer,            Qt::Key_Explorer>,
+        Xkb2Qt<XKB_KEY_XF86Game,                Qt::Key_Game>,
+        Xkb2Qt<XKB_KEY_XF86Go,                  Qt::Key_Go>,
+        Xkb2Qt<XKB_KEY_XF86iTouch,              Qt::Key_iTouch>,
+        Xkb2Qt<XKB_KEY_XF86LogOff,              Qt::Key_LogOff>,
+        Xkb2Qt<XKB_KEY_XF86Market,              Qt::Key_Market>,
+        Xkb2Qt<XKB_KEY_XF86Meeting,             Qt::Key_Meeting>,
+        Xkb2Qt<XKB_KEY_XF86MenuKB,              Qt::Key_MenuKB>,
+        Xkb2Qt<XKB_KEY_XF86MenuPB,              Qt::Key_MenuPB>,
+        Xkb2Qt<XKB_KEY_XF86MySites,             Qt::Key_MySites>,
+        Xkb2Qt<XKB_KEY_XF86New,                 Qt::Key_New>,
+        Xkb2Qt<XKB_KEY_XF86News,                Qt::Key_News>,
+        Xkb2Qt<XKB_KEY_XF86OfficeHome,          Qt::Key_OfficeHome>,
+        Xkb2Qt<XKB_KEY_XF86Open,                Qt::Key_Open>,
+        Xkb2Qt<XKB_KEY_XF86Option,              Qt::Key_Option>,
+        Xkb2Qt<XKB_KEY_XF86Paste,               Qt::Key_Paste>,
+        Xkb2Qt<XKB_KEY_XF86Phone,               Qt::Key_Phone>,
+        Xkb2Qt<XKB_KEY_XF86Reply,               Qt::Key_Reply>,
+        Xkb2Qt<XKB_KEY_XF86Reload,              Qt::Key_Reload>,
+        Xkb2Qt<XKB_KEY_XF86RotateWindows,       Qt::Key_RotateWindows>,
+        Xkb2Qt<XKB_KEY_XF86RotationPB,          Qt::Key_RotationPB>,
+        Xkb2Qt<XKB_KEY_XF86RotationKB,          Qt::Key_RotationKB>,
+        Xkb2Qt<XKB_KEY_XF86Save,                Qt::Key_Save>,
+        Xkb2Qt<XKB_KEY_XF86Send,                Qt::Key_Send>,
+        Xkb2Qt<XKB_KEY_XF86Spell,               Qt::Key_Spell>,
+        Xkb2Qt<XKB_KEY_XF86SplitScreen,         Qt::Key_SplitScreen>,
+        Xkb2Qt<XKB_KEY_XF86Support,             Qt::Key_Support>,
+        Xkb2Qt<XKB_KEY_XF86TaskPane,            Qt::Key_TaskPane>,
+        Xkb2Qt<XKB_KEY_XF86Terminal,            Qt::Key_Terminal>,
+        Xkb2Qt<XKB_KEY_XF86Tools,               Qt::Key_Tools>,
+        Xkb2Qt<XKB_KEY_XF86Travel,              Qt::Key_Travel>,
+        Xkb2Qt<XKB_KEY_XF86Video,               Qt::Key_Video>,
+        Xkb2Qt<XKB_KEY_XF86Word,                Qt::Key_Word>,
+        Xkb2Qt<XKB_KEY_XF86Xfer,                Qt::Key_Xfer>,
+        Xkb2Qt<XKB_KEY_XF86ZoomIn,              Qt::Key_ZoomIn>,
+        Xkb2Qt<XKB_KEY_XF86ZoomOut,             Qt::Key_ZoomOut>,
+        Xkb2Qt<XKB_KEY_XF86Away,                Qt::Key_Away>,
+        Xkb2Qt<XKB_KEY_XF86Messenger,           Qt::Key_Messenger>,
+        Xkb2Qt<XKB_KEY_XF86WebCam,              Qt::Key_WebCam>,
+        Xkb2Qt<XKB_KEY_XF86MailForward,         Qt::Key_MailForward>,
+        Xkb2Qt<XKB_KEY_XF86Pictures,            Qt::Key_Pictures>,
+        Xkb2Qt<XKB_KEY_XF86Music,               Qt::Key_Music>,
+        Xkb2Qt<XKB_KEY_XF86Battery,             Qt::Key_Battery>,
+        Xkb2Qt<XKB_KEY_XF86Bluetooth,           Qt::Key_Bluetooth>,
+        Xkb2Qt<XKB_KEY_XF86WLAN,                Qt::Key_WLAN>,
+        Xkb2Qt<XKB_KEY_XF86UWB,                 Qt::Key_UWB>,
+        Xkb2Qt<XKB_KEY_XF86AudioForward,        Qt::Key_AudioForward>,
+        Xkb2Qt<XKB_KEY_XF86AudioRepeat,         Qt::Key_AudioRepeat>,
+        Xkb2Qt<XKB_KEY_XF86AudioRandomPlay,     Qt::Key_AudioRandomPlay>,
+        Xkb2Qt<XKB_KEY_XF86Subtitle,            Qt::Key_Subtitle>,
+        Xkb2Qt<XKB_KEY_XF86AudioCycleTrack,     Qt::Key_AudioCycleTrack>,
+        Xkb2Qt<XKB_KEY_XF86Time,                Qt::Key_Time>,
+        Xkb2Qt<XKB_KEY_XF86Select,              Qt::Key_Select>,
+        Xkb2Qt<XKB_KEY_XF86View,                Qt::Key_View>,
+        Xkb2Qt<XKB_KEY_XF86TopMenu,             Qt::Key_TopMenu>,
+        Xkb2Qt<XKB_KEY_XF86Red,                 Qt::Key_Red>,
+        Xkb2Qt<XKB_KEY_XF86Green,               Qt::Key_Green>,
+        Xkb2Qt<XKB_KEY_XF86Yellow,              Qt::Key_Yellow>,
+        Xkb2Qt<XKB_KEY_XF86Blue,                Qt::Key_Blue>,
+        Xkb2Qt<XKB_KEY_XF86Bluetooth,           Qt::Key_Bluetooth>,
+        Xkb2Qt<XKB_KEY_XF86Suspend,             Qt::Key_Suspend>,
+        Xkb2Qt<XKB_KEY_XF86Hibernate,           Qt::Key_Hibernate>,
+        Xkb2Qt<XKB_KEY_XF86TouchpadToggle,      Qt::Key_TouchpadToggle>,
+        Xkb2Qt<XKB_KEY_XF86TouchpadOn,          Qt::Key_TouchpadOn>,
+        Xkb2Qt<XKB_KEY_XF86TouchpadOff,         Qt::Key_TouchpadOff>,
+        Xkb2Qt<XKB_KEY_XF86AudioMicMute,        Qt::Key_MicMute>,
+        Xkb2Qt<XKB_KEY_XF86Launch0,             Qt::Key_Launch2>, // ### Qt 6: remap properly
+        Xkb2Qt<XKB_KEY_XF86Launch1,             Qt::Key_Launch3>,
+        Xkb2Qt<XKB_KEY_XF86Launch2,             Qt::Key_Launch4>,
+        Xkb2Qt<XKB_KEY_XF86Launch3,             Qt::Key_Launch5>,
+        Xkb2Qt<XKB_KEY_XF86Launch4,             Qt::Key_Launch6>,
+        Xkb2Qt<XKB_KEY_XF86Launch5,             Qt::Key_Launch7>,
+        Xkb2Qt<XKB_KEY_XF86Launch6,             Qt::Key_Launch8>,
+        Xkb2Qt<XKB_KEY_XF86Launch7,             Qt::Key_Launch9>,
+        Xkb2Qt<XKB_KEY_XF86Launch8,             Qt::Key_LaunchA>,
+        Xkb2Qt<XKB_KEY_XF86Launch9,             Qt::Key_LaunchB>,
+        Xkb2Qt<XKB_KEY_XF86LaunchA,             Qt::Key_LaunchC>,
+        Xkb2Qt<XKB_KEY_XF86LaunchB,             Qt::Key_LaunchD>,
+        Xkb2Qt<XKB_KEY_XF86LaunchC,             Qt::Key_LaunchE>,
+        Xkb2Qt<XKB_KEY_XF86LaunchD,             Qt::Key_LaunchF>,
+        Xkb2Qt<XKB_KEY_XF86LaunchE,             Qt::Key_LaunchG>,
+        Xkb2Qt<XKB_KEY_XF86LaunchF,             Qt::Key_LaunchH>
+    >::Data{}
+);
+
 // Possible modifier states.
 static const Qt::KeyboardModifiers ModsTbl[] = {
     Qt::NoModifier,                                             // 0
@@ -1103,14 +1120,10 @@ int QXcbKeyboard::keysymToQtKey(xcb_keysym_t keysym, Qt::KeyboardModifiers modif
         qtKey = xkbcommon_xkb_keysym_to_upper(keysym);
     } else {
         // check if we have a direct mapping
-        int i = 0;
-        while (KeyTbl[i]) {
-            if (keysym == KeyTbl[i]) {
-                qtKey = KeyTbl[i + 1];
-                break;
-            }
-            i += 2;
-        }
+        xkb2qt_t searchKey{keysym, 0};
+        auto it = std::lower_bound(KeyTbl.cbegin(), KeyTbl.cend(), searchKey);
+        if (it != KeyTbl.end() && !(searchKey < *it))
+            qtKey = it->qt;
     }
 
     QString text;