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kwin/src/xkb.cpp

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/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2013, 2016, 2017 Martin Gräßlin <mgraesslin@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "xkb.h"
#include "dbusproperties_interface.h"
#include "inputmethod.h"
#include "utils/c_ptr.h"
#include "utils/common.h"
#include "wayland/inputmethod_v1.h"
#include "wayland/keyboard.h"
#include "wayland/seat.h"
// frameworks
#include <KConfigGroup>
// Qt
#include <QKeyEvent>
#include <QTemporaryFile>
#include <QtGui/private/qxkbcommon_p.h>
// xkbcommon
#include <xkbcommon/xkbcommon-compose.h>
#include <xkbcommon/xkbcommon-keysyms.h>
// system
#include "main.h"
#include <bitset>
#include <linux/input-event-codes.h>
#include <sys/mman.h>
#include <unistd.h>
Q_LOGGING_CATEGORY(KWIN_XKB, "kwin_xkbcommon", QtWarningMsg)
/* The offset between KEY_* numbering, and keycodes in the XKB evdev
* dataset. */
static const int EVDEV_OFFSET = 8;
static const char *s_locale1Interface = "org.freedesktop.locale1";
namespace KWin
{
struct TransKey
{
uint keySymX;
int keySymQt;
};
//---------------------------------------------------------------------
// Arrays
//---------------------------------------------------------------------
// clang-format off
static const TransKey g_rgSymXToQT[] = {
// The following must be kept in sync with qxkbcommon.cpp in 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 },
{ XKB_KEY_Sys_Req, Qt::Key_SysReq },
{ 0x1005FF60, Qt::Key_SysReq }, // hardcoded Sun SysReq
{ 0x1007ff00, Qt::Key_SysReq }, // hardcoded X386 SysReq
// cursor movement
{ 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_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 },
/* The following four XKB_KEY_dead keys got removed in libxkbcommon 1.6.0
The define check is kind of version check here. */
#ifdef XKB_KEY_dead_lowline
{ 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 },
#endif
// 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_LaunchMedia },
{ 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_XF86Calculator, 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_Launch0 },
{ XKB_KEY_XF86Launch1, Qt::Key_Launch1 },
{ XKB_KEY_XF86Launch2, Qt::Key_Launch2 },
{ XKB_KEY_XF86Launch3, Qt::Key_Launch3 },
{ XKB_KEY_XF86Launch4, Qt::Key_Launch4 },
{ XKB_KEY_XF86Launch5, Qt::Key_Launch5 },
{ XKB_KEY_XF86Launch6, Qt::Key_Launch6 },
{ XKB_KEY_XF86Launch7, Qt::Key_Launch7 },
{ XKB_KEY_XF86Launch8, Qt::Key_Launch8 },
{ XKB_KEY_XF86Launch9, Qt::Key_Launch9 },
{ XKB_KEY_XF86LaunchA, Qt::Key_LaunchA },
{ XKB_KEY_XF86LaunchB, Qt::Key_LaunchB },
{ XKB_KEY_XF86LaunchC, Qt::Key_LaunchC },
{ XKB_KEY_XF86LaunchD, Qt::Key_LaunchD },
{ XKB_KEY_XF86LaunchE, Qt::Key_LaunchE },
{ XKB_KEY_XF86LaunchF, Qt::Key_LaunchF },
};
// clang-format on
static void xkbLogHandler(xkb_context *context, xkb_log_level priority, const char *format, va_list args)
{
char buf[1024];
int length = std::vsnprintf(buf, 1023, format, args);
while (length > 0 && std::isspace(buf[length - 1])) {
--length;
}
if (length <= 0) {
return;
}
switch (priority) {
case XKB_LOG_LEVEL_DEBUG:
qCDebug(KWIN_XKB, "XKB: %.*s", length, buf);
break;
case XKB_LOG_LEVEL_INFO:
qCInfo(KWIN_XKB, "XKB: %.*s", length, buf);
break;
case XKB_LOG_LEVEL_WARNING:
qCWarning(KWIN_XKB, "XKB: %.*s", length, buf);
break;
case XKB_LOG_LEVEL_ERROR:
case XKB_LOG_LEVEL_CRITICAL:
default:
qCCritical(KWIN_XKB, "XKB: %.*s", length, buf);
break;
}
}
#if HAVE_XKBCOMMON_NO_SECURE_GETENV
constexpr xkb_context_flags KWIN_XKB_CONTEXT_FLAGS = XKB_CONTEXT_NO_SECURE_GETENV;
#else
constexpr xkb_context_flags KWIN_XKB_CONTEXT_FLAGS = XKB_CONTEXT_NO_FLAGS;
#endif
Xkb::Xkb(bool followLocale1)
: m_context(xkb_context_new(KWIN_XKB_CONTEXT_FLAGS))
, m_keymap(nullptr)
, m_state(nullptr)
, m_shiftModifier(0)
, m_capsModifier(0)
, m_controlModifier(0)
, m_altModifier(0)
, m_metaModifier(0)
, m_numModifier(0)
, m_numLock(0)
, m_capsLock(0)
, m_scrollLock(0)
, m_modifiers(Qt::NoModifier)
, m_consumedModifiers(Qt::NoModifier)
, m_keysym(XKB_KEY_NoSymbol)
, m_leds()
, m_followLocale1(followLocale1)
{
qRegisterMetaType<KWin::LEDs>();
if (!m_context) {
qCDebug(KWIN_XKB) << "Could not create xkb context";
} else {
xkb_context_set_log_level(m_context, XKB_LOG_LEVEL_DEBUG);
xkb_context_set_log_fn(m_context, &xkbLogHandler);
// get locale as described in xkbcommon doc
// cannot use QLocale as it drops the modifier part
QByteArray locale = qgetenv("LC_ALL");
if (locale.isEmpty()) {
locale = qgetenv("LC_CTYPE");
}
if (locale.isEmpty()) {
locale = qgetenv("LANG");
}
if (locale.isEmpty()) {
locale = QByteArrayLiteral("C");
}
m_compose.table = xkb_compose_table_new_from_locale(m_context, locale.constData(), XKB_COMPOSE_COMPILE_NO_FLAGS);
if (m_compose.table) {
m_compose.state = xkb_compose_state_new(m_compose.table, XKB_COMPOSE_STATE_NO_FLAGS);
}
}
if (m_followLocale1) {
bool connected = QDBusConnection::systemBus().connect(s_locale1Interface, "/org/freedesktop/locale1", QStringLiteral("org.freedesktop.DBus.Properties"),
QStringLiteral("PropertiesChanged"),
this,
SLOT(reconfigure()));
if (!connected) {
qCWarning(KWIN_XKB) << "Could not connect to org.freedesktop.locale1";
}
}
}
Xkb::~Xkb()
{
xkb_compose_state_unref(m_compose.state);
xkb_compose_table_unref(m_compose.table);
xkb_state_unref(m_state);
xkb_keymap_unref(m_keymap);
xkb_context_unref(m_context);
}
void Xkb::setConfig(const KSharedConfigPtr &config)
{
m_configGroup = config->group(QStringLiteral("Layout"));
}
void Xkb::setNumLockConfig(const KSharedConfigPtr &config)
{
m_numLockConfig = config;
}
void Xkb::reconfigure()
{
if (!m_context) {
return;
}
xkb_keymap *keymap = nullptr;
if (!qEnvironmentVariableIsSet("KWIN_XKB_DEFAULT_KEYMAP")) {
if (m_followLocale1) {
keymap = loadKeymapFromLocale1();
} else {
keymap = loadKeymapFromConfig();
}
}
if (!keymap) {
qCDebug(KWIN_XKB) << "Could not create xkb keymap from configuration";
keymap = loadDefaultKeymap();
}
if (keymap) {
updateKeymap(keymap);
} else {
qCDebug(KWIN_XKB) << "Could not create default xkb keymap";
}
}
static bool stringIsEmptyOrNull(const char *str)
{
return str == nullptr || str[0] == '\0';
}
/**
* libxkbcommon uses secure_getenv to read the XKB_DEFAULT_* variables.
* As kwin_wayland may have the CAP_SET_NICE capability, it returns nullptr
* so we need to do it ourselves (see xkb_context_sanitize_rule_names).
**/
void Xkb::applyEnvironmentRules(xkb_rule_names &ruleNames)
{
if (stringIsEmptyOrNull(ruleNames.rules)) {
ruleNames.rules = getenv("XKB_DEFAULT_RULES");
}
if (stringIsEmptyOrNull(ruleNames.model)) {
ruleNames.model = getenv("XKB_DEFAULT_MODEL");
}
if (stringIsEmptyOrNull(ruleNames.layout)) {
ruleNames.layout = getenv("XKB_DEFAULT_LAYOUT");
ruleNames.variant = getenv("XKB_DEFAULT_VARIANT");
}
if (ruleNames.options == nullptr) {
ruleNames.options = getenv("XKB_DEFAULT_OPTIONS");
}
}
xkb_keymap *Xkb::loadKeymapFromConfig()
{
// load config
if (!m_configGroup.isValid()) {
return nullptr;
}
const QByteArray model = m_configGroup.readEntry("Model", "pc104").toLatin1();
const QByteArray layout = m_configGroup.readEntry("LayoutList").toLatin1();
const QByteArray variant = m_configGroup.readEntry("VariantList").toLatin1();
const QByteArray options = m_configGroup.readEntry("Options").toLatin1();
xkb_rule_names ruleNames = {
.rules = nullptr,
.model = model.constData(),
.layout = layout.constData(),
.variant = variant.constData(),
.options = nullptr,
};
if (m_configGroup.readEntry("ResetOldOptions", false)) {
ruleNames.options = options.constData();
}
applyEnvironmentRules(ruleNames);
m_layoutList = QString::fromLatin1(ruleNames.layout).split(QLatin1Char(','));
return xkb_keymap_new_from_names(m_context, &ruleNames, XKB_KEYMAP_COMPILE_NO_FLAGS);
}
xkb_keymap *Xkb::loadDefaultKeymap()
{
xkb_rule_names ruleNames = {};
applyEnvironmentRules(ruleNames);
m_layoutList = QString::fromLatin1(ruleNames.layout).split(QLatin1Char(','));
return xkb_keymap_new_from_names(m_context, &ruleNames, XKB_KEYMAP_COMPILE_NO_FLAGS);
}
xkb_keymap *Xkb::loadKeymapFromLocale1()
{
OrgFreedesktopDBusPropertiesInterface locale1Properties(s_locale1Interface, "/org/freedesktop/locale1", QDBusConnection::systemBus(), this);
const QVariantMap properties = locale1Properties.GetAll(s_locale1Interface);
const QByteArray model = properties["X11Model"].toByteArray();
const QByteArray layout = properties["X11Layout"].toByteArray();
const QByteArray variant = properties["X11Variant"].toByteArray();
const QByteArray options = properties["X11Options"].toByteArray();
xkb_rule_names ruleNames = {
.rules = nullptr,
.model = model.constData(),
.layout = layout.constData(),
.variant = variant.constData(),
.options = options.constData(),
};
applyEnvironmentRules(ruleNames);
m_layoutList = QString::fromLatin1(ruleNames.layout).split(QLatin1Char(','));
return xkb_keymap_new_from_names(m_context, &ruleNames, XKB_KEYMAP_COMPILE_NO_FLAGS);
}
void Xkb::updateKeymap(xkb_keymap *keymap)
{
Q_ASSERT(keymap);
xkb_state *state = xkb_state_new(keymap);
if (!state) {
qCDebug(KWIN_XKB) << "Could not create XKB state";
xkb_keymap_unref(keymap);
return;
}
// save Locks
bool numLockIsOn, capsLockIsOn;
static bool s_startup = true;
if (!s_startup) {
numLockIsOn = xkb_state_mod_index_is_active(m_state, m_numModifier, XKB_STATE_MODS_LOCKED);
capsLockIsOn = xkb_state_mod_index_is_active(m_state, m_capsModifier, XKB_STATE_MODS_LOCKED);
}
// now release the old ones
xkb_state_unref(m_state);
xkb_keymap_unref(m_keymap);
m_keymap = keymap;
m_state = state;
m_shiftModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_SHIFT);
m_capsModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_CAPS);
m_controlModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_CTRL);
m_altModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_ALT);
m_metaModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_LOGO);
m_numModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_NUM);
m_mod5Modifier = xkb_keymap_mod_get_index(m_keymap, "Mod5");
m_numLock = xkb_keymap_led_get_index(m_keymap, XKB_LED_NAME_NUM);
m_capsLock = xkb_keymap_led_get_index(m_keymap, XKB_LED_NAME_CAPS);
m_scrollLock = xkb_keymap_led_get_index(m_keymap, XKB_LED_NAME_SCROLL);
m_currentLayout = xkb_state_serialize_layout(m_state, XKB_STATE_LAYOUT_EFFECTIVE);
m_modifierState.depressed = xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_DEPRESSED));
m_modifierState.latched = xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_LATCHED));
m_modifierState.locked = xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_LOCKED));
auto setLock = [this](xkb_mod_index_t modifier, bool value) {
if (modifier != XKB_MOD_INVALID) {
std::bitset<sizeof(xkb_mod_mask_t) * 8> mask{m_modifierState.locked};
if (mask.size() > modifier) {
mask[modifier] = value;
m_modifierState.locked = mask.to_ulong();
xkb_state_update_mask(m_state, m_modifierState.depressed, m_modifierState.latched, m_modifierState.locked, 0, 0, m_currentLayout);
m_modifierState.locked = xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_LOCKED));
}
}
};
if (s_startup || qEnvironmentVariableIsSet("KWIN_FORCE_NUM_LOCK_EVALUATION")) {
s_startup = false;
if (m_numLockConfig) {
const KConfigGroup config = m_numLockConfig->group(QStringLiteral("Keyboard"));
// STATE_ON = 0, STATE_OFF = 1, STATE_UNCHANGED = 2, see plasma-desktop/kcms/keyboard/kcmmisc.h
const auto setting = config.readEntry("NumLock", 2);
if (setting != 2) {
setLock(m_numModifier, !setting);
}
}
} else {
setLock(m_numModifier, numLockIsOn);
setLock(m_capsModifier, capsLockIsOn);
}
createKeymapFile();
forwardModifiers();
if (auto *inputmethod = kwinApp()->inputMethod()) {
inputmethod->forwardModifiers(InputMethod::Force);
}
updateModifiers();
}
void Xkb::createKeymapFile()
{
const auto currentKeymap = keymapContents();
if (currentKeymap.isEmpty()) {
return;
}
m_seat->keyboard()->setKeymap(currentKeymap);
auto *inputmethod = kwinApp()->inputMethod();
if (!inputmethod) {
return;
}
if (auto *keyboardGrab = inputmethod->keyboardGrab()) {
keyboardGrab->sendKeymap(currentKeymap);
}
}
QByteArray Xkb::keymapContents() const
{
if (!m_seat || !m_seat->keyboard()) {
return {};
}
// TODO: uninstall keymap on server?
if (!m_keymap) {
return {};
}
UniqueCPtr<char> keymapString(xkb_keymap_get_as_string(m_keymap, XKB_KEYMAP_FORMAT_TEXT_V1));
if (!keymapString) {
return {};
}
return keymapString.get();
}
void Xkb::updateModifiers(uint32_t modsDepressed, uint32_t modsLatched, uint32_t modsLocked, uint32_t group)
{
if (!m_keymap || !m_state) {
return;
}
// Avoid to create a infinite loop between input method and compositor.
if (xkb_state_update_mask(m_state, modsDepressed, modsLatched, modsLocked, 0, 0, group) == 0) {
return;
}
updateModifiers();
forwardModifiers();
}
void Xkb::updateKey(uint32_t key, InputRedirection::KeyboardKeyState state)
{
if (!m_keymap || !m_state) {
return;
}
const auto sym = toKeysym(key);
xkb_state_update_key(m_state, key + EVDEV_OFFSET, static_cast<xkb_key_direction>(state));
if (m_compose.state) {
if (state == InputRedirection::KeyboardKeyPressed) {
xkb_compose_state_feed(m_compose.state, sym);
}
switch (xkb_compose_state_get_status(m_compose.state)) {
case XKB_COMPOSE_NOTHING:
m_keysym = sym;
break;
case XKB_COMPOSE_COMPOSED:
m_keysym = xkb_compose_state_get_one_sym(m_compose.state);
break;
default:
m_keysym = XKB_KEY_NoSymbol;
break;
}
} else {
m_keysym = sym;
}
updateModifiers();
updateConsumedModifiers(key);
}
void Xkb::updateModifiers()
{
Qt::KeyboardModifiers mods = Qt::NoModifier;
if (xkb_state_mod_index_is_active(m_state, m_shiftModifier, XKB_STATE_MODS_EFFECTIVE) == 1) {
mods |= Qt::ShiftModifier;
}
if (xkb_state_mod_index_is_active(m_state, m_altModifier, XKB_STATE_MODS_EFFECTIVE) == 1) {
mods |= Qt::AltModifier;
}
if (xkb_state_mod_index_is_active(m_state, m_controlModifier, XKB_STATE_MODS_EFFECTIVE) == 1) {
mods |= Qt::ControlModifier;
}
if (xkb_state_mod_index_is_active(m_state, m_metaModifier, XKB_STATE_MODS_EFFECTIVE) == 1) {
mods |= Qt::MetaModifier;
}
if (m_keysym >= XKB_KEY_KP_Space && m_keysym <= XKB_KEY_KP_Equal) {
mods |= Qt::KeypadModifier;
}
m_modifiers = mods;
// update LEDs
LEDs leds;
if (xkb_state_led_index_is_active(m_state, m_numLock) == 1) {
leds = leds | LED::NumLock;
}
if (xkb_state_led_index_is_active(m_state, m_capsLock) == 1) {
leds = leds | LED::CapsLock;
}
if (xkb_state_led_index_is_active(m_state, m_scrollLock) == 1) {
leds = leds | LED::ScrollLock;
}
if (m_leds != leds) {
m_leds = leds;
Q_EMIT ledsChanged(m_leds);
}
const uint32_t newLayout = xkb_state_serialize_layout(m_state, XKB_STATE_LAYOUT_EFFECTIVE);
const uint32_t depressed = xkb_state_serialize_mods(m_state, XKB_STATE_MODS_DEPRESSED);
const uint32_t latched = xkb_state_serialize_mods(m_state, XKB_STATE_MODS_LATCHED);
const uint32_t locked = xkb_state_serialize_mods(m_state, XKB_STATE_MODS_LOCKED);
if (newLayout != m_currentLayout || depressed != m_modifierState.depressed || latched != m_modifierState.latched || locked != m_modifierState.locked) {
m_currentLayout = newLayout;
m_modifierState.depressed = depressed;
m_modifierState.latched = latched;
m_modifierState.locked = locked;
Q_EMIT modifierStateChanged();
}
}
void Xkb::forwardModifiers()
{
if (!m_seat || !m_seat->keyboard()) {
return;
}
m_seat->notifyKeyboardModifiers(m_modifierState.depressed,
m_modifierState.latched,
m_modifierState.locked,
m_currentLayout);
}
QString Xkb::layoutName(xkb_layout_index_t index) const
{
if (!m_keymap) {
return QString{};
}
return QString::fromLocal8Bit(xkb_keymap_layout_get_name(m_keymap, index));
}
QString Xkb::layoutName() const
{
return layoutName(m_currentLayout);
}
QString Xkb::layoutShortName(int index) const
{
return m_layoutList.value(index);
}
void Xkb::updateConsumedModifiers(uint32_t key)
{
Qt::KeyboardModifiers mods = Qt::NoModifier;
if (xkb_state_mod_index_is_consumed2(m_state, key + EVDEV_OFFSET, m_shiftModifier, XKB_CONSUMED_MODE_GTK) == 1) {
mods |= Qt::ShiftModifier;
}
if (xkb_state_mod_index_is_consumed2(m_state, key + EVDEV_OFFSET, m_altModifier, XKB_CONSUMED_MODE_GTK) == 1) {
mods |= Qt::AltModifier;
}
if (xkb_state_mod_index_is_consumed2(m_state, key + EVDEV_OFFSET, m_controlModifier, XKB_CONSUMED_MODE_GTK) == 1) {
mods |= Qt::ControlModifier;
}
if (xkb_state_mod_index_is_consumed2(m_state, key + EVDEV_OFFSET, m_metaModifier, XKB_CONSUMED_MODE_GTK) == 1) {
mods |= Qt::MetaModifier;
}
m_consumedModifiers = mods;
}
Qt::KeyboardModifiers Xkb::modifiersRelevantForGlobalShortcuts(uint32_t scanCode) const
{
if (!m_state) {
return Qt::NoModifier;
}
Qt::KeyboardModifiers mods = Qt::NoModifier;
if (xkb_state_mod_index_is_active(m_state, m_shiftModifier, XKB_STATE_MODS_EFFECTIVE) == 1) {
mods |= Qt::ShiftModifier;
}
if (xkb_state_mod_index_is_active(m_state, m_altModifier, XKB_STATE_MODS_EFFECTIVE) == 1) {
mods |= Qt::AltModifier;
}
if (xkb_state_mod_index_is_active(m_state, m_controlModifier, XKB_STATE_MODS_EFFECTIVE) == 1) {
mods |= Qt::ControlModifier;
}
if (xkb_state_mod_index_is_active(m_state, m_metaModifier, XKB_STATE_MODS_EFFECTIVE) == 1) {
mods |= Qt::MetaModifier;
}
if (m_keysym >= XKB_KEY_KP_Space && m_keysym <= XKB_KEY_KP_Equal) {
mods |= Qt::KeypadModifier;
}
Qt::KeyboardModifiers consumedMods = m_consumedModifiers;
if ((mods & Qt::ShiftModifier) && (consumedMods == Qt::ShiftModifier)) {
// test whether current keysym is a letter
// in that case the shift should be removed from the consumed modifiers again
// otherwise it would not be possible to trigger e.g. Shift+W as a shortcut
// see BUG: 370341
if (QChar::isLetter(toQtKey(m_keysym, scanCode, Qt::ControlModifier))) {
consumedMods = Qt::KeyboardModifiers();
}
}
return mods & ~consumedMods;
}
xkb_keysym_t Xkb::toKeysym(uint32_t key)
{
if (!m_state) {
return XKB_KEY_NoSymbol;
}
// Workaround because there's some kind of overlap between KEY_ZENKAKUHANKAKU and TLDE
// This key is important because some hardware manufacturers use it to indicate touchpad toggling.
xkb_keysym_t ret = xkb_state_key_get_one_sym(m_state, key + EVDEV_OFFSET);
if (ret == 0 && key == KEY_ZENKAKUHANKAKU) {
ret = XKB_KEY_Zenkaku_Hankaku;
}
return ret;
}
QString Xkb::toString(xkb_keysym_t keysym)
{
if (!m_state || keysym == XKB_KEY_NoSymbol) {
return QString();
}
QByteArray byteArray(7, 0);
int ok = xkb_keysym_to_utf8(keysym, byteArray.data(), byteArray.size());
if (ok == -1 || ok == 0) {
return QString();
}
return QString::fromUtf8(byteArray.constData());
}
Qt::Key Xkb::toQtKey(xkb_keysym_t keySym,
uint32_t scanCode,
Qt::KeyboardModifiers modifiers) const
{
// FIXME: passing superAsMeta doesn't have impact due to bug in the Qt function, so handle it below
Qt::Key qtKey = Qt::Key(QXkbCommon::keysymToQtKey(keySym, modifiers, m_state, scanCode + EVDEV_OFFSET));
// FIXME: workarounds for symbols currently wrong/not mappable via keysymToQtKey()
if (qtKey > 0xff && keySym <= 0xff) {
// XKB_KEY_mu, XKB_KEY_ydiaeresis go here
qtKey = Qt::Key(keySym);
}
return qtKey;
}
bool Xkb::shouldKeyRepeat(quint32 key) const
{
if (!m_keymap) {
return false;
}
return xkb_keymap_key_repeats(m_keymap, key + EVDEV_OFFSET) != 0;
}
void Xkb::switchToNextLayout()
{
if (!m_keymap || !m_state) {
return;
}
const xkb_layout_index_t numLayouts = xkb_keymap_num_layouts(m_keymap);
const xkb_layout_index_t nextLayout = (xkb_state_serialize_layout(m_state, XKB_STATE_LAYOUT_EFFECTIVE) + 1) % numLayouts;
switchToLayout(nextLayout);
}
void Xkb::switchToPreviousLayout()
{
if (!m_keymap || !m_state) {
return;
}
const xkb_layout_index_t previousLayout = m_currentLayout == 0 ? numberOfLayouts() - 1 : m_currentLayout - 1;
switchToLayout(previousLayout);
}
bool Xkb::switchToLayout(xkb_layout_index_t layout)
{
if (!m_keymap || !m_state || layout >= numberOfLayouts()) {
return false;
}
const xkb_mod_mask_t depressed = xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_DEPRESSED));
const xkb_mod_mask_t latched = xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_LATCHED));
const xkb_mod_mask_t locked = xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_LOCKED));
xkb_state_update_mask(m_state, depressed, latched, locked, 0, 0, layout);
updateModifiers();
forwardModifiers();
return true;
}
void Xkb::setModifierLatched(KWin::Xkb::Modifier mod, bool latched)
{
xkb_mod_index_t modifier = XKB_MOD_INVALID;
switch (mod) {
case NoModifier: {
break;
}
case Shift: {
modifier = m_shiftModifier;
break;
}
case Mod1: {
modifier = m_altModifier;
break;
}
case Control: {
modifier = m_controlModifier;
break;
}
case Mod4: {
modifier = m_metaModifier;
break;
}
case Mod5: {
modifier = m_mod5Modifier;
break;
}
case Mod2:
case Mod3:
case Lock:
break;
}
if (modifier != XKB_MOD_INVALID) {
std::bitset<sizeof(xkb_mod_mask_t) * 8> mask{m_modifierState.latched};
if (mask.size() > modifier) {
mask[modifier] = latched;
m_modifierState.latched = mask.to_ulong();
xkb_state_update_mask(m_state, m_modifierState.depressed, m_modifierState.latched, m_modifierState.locked, 0, 0, m_currentLayout);
m_modifierState.latched = xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_LATCHED));
}
}
}
void Xkb::setModifierLocked(KWin::Xkb::Modifier mod, bool locked)
{
xkb_mod_index_t modifier = XKB_MOD_INVALID;
switch (mod) {
case NoModifier: {
break;
}
case Shift: {
modifier = m_shiftModifier;
break;
}
case Mod1: {
modifier = m_altModifier;
break;
}
case Control: {
modifier = m_controlModifier;
break;
}
case Mod4: {
modifier = m_metaModifier;
break;
}
case Mod5: {
modifier = m_mod5Modifier;
break;
}
case Mod2:
case Mod3:
case Lock:
break;
}
if (modifier != XKB_MOD_INVALID) {
std::bitset<sizeof(xkb_mod_mask_t) * 8> mask{m_modifierState.locked};
if (mask.size() > modifier) {
mask[modifier] = locked;
m_modifierState.locked = mask.to_ulong();
xkb_state_update_mask(m_state, m_modifierState.depressed, m_modifierState.latched, m_modifierState.locked, 0, 0, m_currentLayout);
m_modifierState.locked = xkb_state_serialize_mods(m_state, xkb_state_component(XKB_STATE_MODS_LOCKED));
}
}
}
quint32 Xkb::numberOfLayouts() const
{
if (!m_keymap) {
return 0;
}
return xkb_keymap_num_layouts(m_keymap);
}
void Xkb::setSeat(SeatInterface *seat)
{
m_seat = QPointer<SeatInterface>(seat);
}
std::optional<std::pair<int, int>> Xkb::keycodeFromKeysym(xkb_keysym_t keysym)
{
auto layout = xkb_state_serialize_layout(m_state, XKB_STATE_LAYOUT_EFFECTIVE);
const xkb_keycode_t max = xkb_keymap_max_keycode(m_keymap);
for (xkb_keycode_t keycode = xkb_keymap_min_keycode(m_keymap); keycode < max; keycode++) {
uint levelCount = xkb_keymap_num_levels_for_key(m_keymap, keycode, layout);
for (uint currentLevel = 0; currentLevel < levelCount; currentLevel++) {
const xkb_keysym_t *syms;
uint num_syms = xkb_keymap_key_get_syms_by_level(m_keymap, keycode, layout, currentLevel, &syms);
for (uint sym = 0; sym < num_syms; sym++) {
if (syms[sym] == keysym) {
return {{keycode - EVDEV_OFFSET, currentLevel}};
}
}
}
}
return {};
}
QList<xkb_keysym_t> Xkb::keysymsFromQtKey(int keyQt)
{
const int symQt = keyQt & ~Qt::KeyboardModifierMask;
QList<xkb_keysym_t> syms;
if (symQt >= Qt::Key_F1 && symQt <= Qt::Key_F35) {
syms.append(XKB_KEY_F1 + (symQt - Qt::Key_F1));
return syms;
}
const bool hasKeypadMod = keyQt & Qt::KeypadModifier;
if (hasKeypadMod) {
if (symQt >= Qt::Key_0 && symQt <= Qt::Key_9) {
syms.append(XKB_KEY_KP_0 + (symQt - Qt::Key_0));
return syms;
}
} else if (QXkbCommon::isLatin1(symQt)) {
xkb_keysym_t lower, upper;
QXkbCommon::xkbcommon_XConvertCase(symQt, &lower, &upper);
if (keyQt & Qt::ShiftModifier) {
syms.append(upper);
} else {
syms.append(lower);
}
return syms;
}
for (const TransKey &tk : g_rgSymXToQT) {
if (tk.keySymQt == symQt) {
// Use keysyms from the keypad if and only if KeypadModifier is set
if (hasKeypadMod && !QXkbCommon::isKeypad(tk.keySymX)) {
continue;
}
if (!hasKeypadMod && QXkbCommon::isKeypad(tk.keySymX)) {
continue;
}
syms.append(tk.keySymX);
}
}
if (!syms.isEmpty()) {
return syms;
}
const QList<uint> ucs4 = QString(QChar(symQt)).toUcs4();
for (uint utf32 : ucs4) {
syms.append(utf32 | 0x01000000);
}
return syms;
}
}
#include "moc_xkb.cpp"