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kwin/xkb_qt_mapping.h
Martin Flöser a17c85a9ea Support mapping QKeyEvent to xkb_keysym_t 
Summary:
This is needed in virtual keyboard and also used KKeyServer so far. With
this change it is moved to new API provided in Xkb. The new translation
map is now also used for the direction from Qt::Key +
Qt::KeyboardModifier to xkb_keysym_t.

New implementation is supported by a new test case covering the same
combinations as in the existing direction.

Reviewers: #kwin, #plasma

Subscribers: plasma-devel, kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D7356
2017-09-19 19:09:17 +02:00

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2017 Martin Flöser <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef KWIN_XKB_QT_MAPPING_H
#define KWIN_XKB_QT_MAPPING_H
#include <QtGlobal>
#include <map>
#include <xkbcommon/xkbcommon-keysyms.h>
namespace KWin
{
// based on mapping in kwindowsystem/src/platforms/xcb/kkeyserver.cpp
// adjusted to XKB
static const std::map<xkb_keysym_t, Qt::Key> s_mapping{
{ 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_Pause, Qt::Key_Pause },
{ XKB_KEY_Print, Qt::Key_Print },
{ XKB_KEY_Sys_Req, Qt::Key_SysReq },
{ 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 },
{ XKB_KEY_Caps_Lock, Qt::Key_CapsLock },
{ XKB_KEY_Num_Lock, Qt::Key_NumLock },
{ XKB_KEY_Scroll_Lock, Qt::Key_ScrollLock },
{ XKB_KEY_F1, Qt::Key_F1 },
{ XKB_KEY_F2, Qt::Key_F2 },
{ XKB_KEY_F3, Qt::Key_F3 },
{ XKB_KEY_F4, Qt::Key_F4 },
{ XKB_KEY_F5, Qt::Key_F5 },
{ XKB_KEY_F6, Qt::Key_F6 },
{ XKB_KEY_F7, Qt::Key_F7 },
{ XKB_KEY_F8, Qt::Key_F8 },
{ XKB_KEY_F9, Qt::Key_F9 },
{ XKB_KEY_F10, Qt::Key_F10 },
{ XKB_KEY_F11, Qt::Key_F11 },
{ XKB_KEY_F12, Qt::Key_F12 },
{ XKB_KEY_F13, Qt::Key_F13 },
{ XKB_KEY_F14, Qt::Key_F14 },
{ XKB_KEY_F15, Qt::Key_F15 },
{ XKB_KEY_F16, Qt::Key_F16 },
{ XKB_KEY_F17, Qt::Key_F17 },
{ XKB_KEY_F18, Qt::Key_F18 },
{ XKB_KEY_F19, Qt::Key_F19 },
{ XKB_KEY_F20, Qt::Key_F20 },
{ XKB_KEY_F21, Qt::Key_F21 },
{ XKB_KEY_F22, Qt::Key_F22 },
{ XKB_KEY_F23, Qt::Key_F23 },
{ XKB_KEY_F24, Qt::Key_F24 },
{ XKB_KEY_F25, Qt::Key_F25 },
{ XKB_KEY_F26, Qt::Key_F26 },
{ XKB_KEY_F27, Qt::Key_F27 },
{ XKB_KEY_F28, Qt::Key_F28 },
{ XKB_KEY_F29, Qt::Key_F29 },
{ XKB_KEY_F30, Qt::Key_F30 },
{ XKB_KEY_F31, Qt::Key_F31 },
{ XKB_KEY_F32, Qt::Key_F32 },
{ XKB_KEY_F33, Qt::Key_F33 },
{ XKB_KEY_F34, Qt::Key_F34 },
{ XKB_KEY_F35, Qt::Key_F35 },
{ 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 },
{ 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 },
{ 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_XF86Mail, Qt::Key_LaunchMail },
{ XKB_KEY_XF86MyComputer, Qt::Key_Launch0 },
{ 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_XF86News, Qt::Key_News },
{ XKB_KEY_XF86OfficeHome, Qt::Key_OfficeHome },
{ 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_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 },
{ 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 }
};
static inline Qt::Key xkbToQtKey(xkb_keysym_t keySym)
{
Qt::Key key = Qt::Key_unknown;
if (keySym >= XKB_KEY_KP_0 && keySym <= XKB_KEY_KP_9) {
// numeric keypad keys
key = Qt::Key(int(Qt::Key_0) + int(keySym) - XKB_KEY_KP_0);
} else if ((keySym >= XKB_KEY_a && keySym <= XKB_KEY_z) ||
(keySym >= XKB_KEY_agrave && keySym < XKB_KEY_division) ||
(keySym > XKB_KEY_division && keySym <= XKB_KEY_thorn)) {
key = Qt::Key(QChar(keySym).toUpper().unicode());
} else if (keySym < 0x3000) {
key = Qt::Key(keySym);
}
if (key == Qt::Key_unknown) {
const auto it = s_mapping.find(keySym);
if (it != s_mapping.end()) {
key = it->second;
}
}
return key;
}
static inline xkb_keysym_t qtKeyToXkb(Qt::Key qtKey, Qt::KeyboardModifiers modifiers)
{
xkb_keysym_t sym = XKB_KEY_NoSymbol;
if (modifiers.testFlag(Qt::KeypadModifier) && qtKey >= Qt::Key_0 && qtKey <= Qt::Key_9) {
sym = XKB_KEY_KP_0 + qtKey - Qt::Key_0;
} else if (qtKey < 0x1000 && !modifiers.testFlag(Qt::KeypadModifier)) {
QChar character(qtKey);
if (!modifiers.testFlag(Qt::ShiftModifier)) {
character = character.toLower();
}
sym = character.unicode();
}
if (sym == XKB_KEY_NoSymbol) {
std::vector<xkb_keysym_t> possibleMatches;
for (auto pair : s_mapping) {
if (pair.second == qtKey) {
possibleMatches.emplace_back(pair.first);
}
}
if (!possibleMatches.empty()) {
sym = possibleMatches.front();
for (auto match : possibleMatches) {
// is the current match better than existing?
if (modifiers.testFlag(Qt::KeypadModifier)) {
if (match >= XKB_KEY_KP_Space && match <= XKB_KEY_KP_9) {
sym = match;
}
} else {
if (sym >= XKB_KEY_KP_Space && sym <= XKB_KEY_KP_9) {
sym = match;
}
}
}
}
}
return sym;
}
}
#endif
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