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Brooklyn/plasma/kaccess/kaccess.cpp
Scare Crowe d2ebfd0519 QortalOS Titan 5.60.12 
Screw the description like that inbred T3Q
2022-03-05 21:17:59 +05:00

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/*
SPDX-FileCopyrightText: 2000 Matthias Hölzer-Klüpfel <hoelzer@kde.org>
SPDX-FileCopyrightText: 2014 Frederik Gladhorn <gladhorn@kde.org>
SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#include <cmath>
#include <unistd.h>
#include "kaccess.h"
#include <QDesktopWidget>
#include <QMessageBox>
#include <QPainter>
#include <QProcess>
#include <QTimer>
#include <QAction>
#include <QApplication>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <KAboutData>
#include <KComboBox>
#include <KConfig>
#include <KConfigGroup>
#include <KDBusService>
#include <KGlobalAccel>
#include <KKeyServer>
#include <KLocalizedString>
#include <KNotification>
#include <KSharedConfig>
#include <KUserTimestamp>
#include <KWindowSystem>
#include <QDialog>
#include <QDialogButtonBox>
#include <netwm.h>
#define XK_MISCELLANY
#define XK_XKB_KEYS
#include <X11/keysymdef.h>
#include <QX11Info>
#include <QLoggingCategory>
Q_LOGGING_CATEGORY(logKAccess, "kcm_kaccess")
struct ModifierKey {
const unsigned int mask;
const KeySym keysym;
const char *name;
const char *lockedText;
const char *latchedText;
const char *unlatchedText;
};
static const ModifierKey modifierKeys[] = {
{ShiftMask,
0,
"Shift",
I18N_NOOP("The Shift key has been locked and is now active for all of the following keypresses."),
I18N_NOOP("The Shift key is now active."),
I18N_NOOP("The Shift key is now inactive.")},
{ControlMask,
0,
"Control",
I18N_NOOP("The Control key has been locked and is now active for all of the following keypresses."),
I18N_NOOP("The Control key is now active."),
I18N_NOOP("The Control key is now inactive.")},
{0,
XK_Alt_L,
"Alt",
I18N_NOOP("The Alt key has been locked and is now active for all of the following keypresses."),
I18N_NOOP("The Alt key is now active."),
I18N_NOOP("The Alt key is now inactive.")},
{0,
0,
"Win",
I18N_NOOP("The Win key has been locked and is now active for all of the following keypresses."),
I18N_NOOP("The Win key is now active."),
I18N_NOOP("The Win key is now inactive.")},
{0,
XK_Meta_L,
"Meta",
I18N_NOOP("The Meta key has been locked and is now active for all of the following keypresses."),
I18N_NOOP("The Meta key is now active."),
I18N_NOOP("The Meta key is now inactive.")},
{0,
XK_Super_L,
"Super",
I18N_NOOP("The Super key has been locked and is now active for all of the following keypresses."),
I18N_NOOP("The Super key is now active."),
I18N_NOOP("The Super key is now inactive.")},
{0,
XK_Hyper_L,
"Hyper",
I18N_NOOP("The Hyper key has been locked and is now active for all of the following keypresses."),
I18N_NOOP("The Hyper key is now active."),
I18N_NOOP("The Hyper key is now inactive.")},
{0,
0,
"Alt Graph",
I18N_NOOP("The Alt Graph key has been locked and is now active for all of the following keypresses."),
I18N_NOOP("The Alt Graph key is now active."),
I18N_NOOP("The Alt Graph key is now inactive.")},
{0, XK_Num_Lock, "Num Lock", I18N_NOOP("The Num Lock key has been activated."), "", I18N_NOOP("The Num Lock key is now inactive.")},
{LockMask, 0, "Caps Lock", I18N_NOOP("The Caps Lock key has been activated."), "", I18N_NOOP("The Caps Lock key is now inactive.")},
{0, XK_Scroll_Lock, "Scroll Lock", I18N_NOOP("The Scroll Lock key has been activated."), "", I18N_NOOP("The Scroll Lock key is now inactive.")},
{0, 0, "", "", "", ""}};
/********************************************************************/
KAccessApp::KAccessApp()
: overlay(nullptr)
, _player(nullptr)
, toggleScreenReaderAction(new QAction(this))
{
m_error = false;
_activeWindow = KWindowSystem::activeWindow();
connect(KWindowSystem::self(), &KWindowSystem::activeWindowChanged, this, &KAccessApp::activeWindowChanged);
features = 0;
requestedFeatures = 0;
dialog = nullptr;
if (!QX11Info::isPlatformX11()) {
m_error = true;
return;
}
initMasks();
XkbStateRec state_return;
XkbGetState(QX11Info::display(), XkbUseCoreKbd, &state_return);
unsigned char latched = XkbStateMods(&state_return);
unsigned char locked = XkbModLocks(&state_return);
state = ((int)locked) << 8 | latched;
auto service = new KDBusService(KDBusService::Unique, this);
connect(service, &KDBusService::activateRequested, this, &KAccessApp::newInstance);
QTimer::singleShot(0, this, &KAccessApp::readSettings);
}
void KAccessApp::newInstance()
{
KSharedConfig::openConfig()->reparseConfiguration();
readSettings();
}
void KAccessApp::readSettings()
{
KSharedConfig::Ptr _config = KSharedConfig::openConfig();
KConfigGroup cg(_config, "Bell");
// bell
_systemBell = cg.readEntry("SystemBell", true);
_artsBell = cg.readEntry("ArtsBell", false);
_currentPlayerSource = cg.readPathEntry("ArtsBellFile", QString());
_visibleBell = cg.readEntry("VisibleBell", false);
_visibleBellInvert = cg.readEntry("VisibleBellInvert", false);
_visibleBellColor = cg.readEntry("VisibleBellColor", QColor(Qt::red));
_visibleBellPause = cg.readEntry("VisibleBellPause", 500);
// select bell events if we need them
int state = (_artsBell || _visibleBell) ? XkbBellNotifyMask : 0;
XkbSelectEvents(QX11Info::display(), XkbUseCoreKbd, XkbBellNotifyMask, state);
// deactivate system bell if not needed
if (!_systemBell)
XkbChangeEnabledControls(QX11Info::display(), XkbUseCoreKbd, XkbAudibleBellMask, 0);
else
XkbChangeEnabledControls(QX11Info::display(), XkbUseCoreKbd, XkbAudibleBellMask, XkbAudibleBellMask);
// keyboard
KConfigGroup keyboardGroup(_config, "Keyboard");
// get keyboard state
XkbDescPtr xkb = XkbGetMap(QX11Info::display(), 0, XkbUseCoreKbd);
if (!xkb)
return;
if (XkbGetControls(QX11Info::display(), XkbAllControlsMask, xkb) != Success)
return;
// sticky keys
if (keyboardGroup.readEntry("StickyKeys", false)) {
if (keyboardGroup.readEntry("StickyKeysLatch", true))
xkb->ctrls->ax_options |= XkbAX_LatchToLockMask;
else
xkb->ctrls->ax_options &= ~XkbAX_LatchToLockMask;
if (keyboardGroup.readEntry("StickyKeysAutoOff", false))
xkb->ctrls->ax_options |= XkbAX_TwoKeysMask;
else
xkb->ctrls->ax_options &= ~XkbAX_TwoKeysMask;
if (keyboardGroup.readEntry("StickyKeysBeep", false))
xkb->ctrls->ax_options |= XkbAX_StickyKeysFBMask;
else
xkb->ctrls->ax_options &= ~XkbAX_StickyKeysFBMask;
xkb->ctrls->enabled_ctrls |= XkbStickyKeysMask;
} else
xkb->ctrls->enabled_ctrls &= ~XkbStickyKeysMask;
// toggle keys
if (keyboardGroup.readEntry("ToggleKeysBeep", false))
xkb->ctrls->ax_options |= XkbAX_IndicatorFBMask;
else
xkb->ctrls->ax_options &= ~XkbAX_IndicatorFBMask;
// slow keys
if (keyboardGroup.readEntry("SlowKeys", false)) {
if (keyboardGroup.readEntry("SlowKeysPressBeep", false))
xkb->ctrls->ax_options |= XkbAX_SKPressFBMask;
else
xkb->ctrls->ax_options &= ~XkbAX_SKPressFBMask;
if (keyboardGroup.readEntry("SlowKeysAcceptBeep", false))
xkb->ctrls->ax_options |= XkbAX_SKAcceptFBMask;
else
xkb->ctrls->ax_options &= ~XkbAX_SKAcceptFBMask;
if (keyboardGroup.readEntry("SlowKeysRejectBeep", false))
xkb->ctrls->ax_options |= XkbAX_SKRejectFBMask;
else
xkb->ctrls->ax_options &= ~XkbAX_SKRejectFBMask;
xkb->ctrls->enabled_ctrls |= XkbSlowKeysMask;
} else
xkb->ctrls->enabled_ctrls &= ~XkbSlowKeysMask;
xkb->ctrls->slow_keys_delay = keyboardGroup.readEntry("SlowKeysDelay", 500);
// bounce keys
if (keyboardGroup.readEntry("BounceKeys", false)) {
if (keyboardGroup.readEntry("BounceKeysRejectBeep", false))
xkb->ctrls->ax_options |= XkbAX_BKRejectFBMask;
else
xkb->ctrls->ax_options &= ~XkbAX_BKRejectFBMask;
xkb->ctrls->enabled_ctrls |= XkbBounceKeysMask;
} else
xkb->ctrls->enabled_ctrls &= ~XkbBounceKeysMask;
xkb->ctrls->debounce_delay = keyboardGroup.readEntry("BounceKeysDelay", 500);
// gestures for enabling the other features
_gestures = keyboardGroup.readEntry("Gestures", false);
if (_gestures)
xkb->ctrls->enabled_ctrls |= XkbAccessXKeysMask;
else
xkb->ctrls->enabled_ctrls &= ~XkbAccessXKeysMask;
// timeout
if (keyboardGroup.readEntry("AccessXTimeout", false)) {
xkb->ctrls->ax_timeout = keyboardGroup.readEntry("AccessXTimeoutDelay", 30) * 60;
xkb->ctrls->axt_opts_mask = 0;
xkb->ctrls->axt_opts_values = 0;
xkb->ctrls->axt_ctrls_mask = XkbStickyKeysMask | XkbSlowKeysMask;
xkb->ctrls->axt_ctrls_values = 0;
xkb->ctrls->enabled_ctrls |= XkbAccessXTimeoutMask;
} else
xkb->ctrls->enabled_ctrls &= ~XkbAccessXTimeoutMask;
// gestures for enabling the other features
if (keyboardGroup.readEntry("AccessXBeep", true))
xkb->ctrls->ax_options |= XkbAX_FeatureFBMask | XkbAX_SlowWarnFBMask;
else
xkb->ctrls->ax_options &= ~(XkbAX_FeatureFBMask | XkbAX_SlowWarnFBMask);
_gestureConfirmation = keyboardGroup.readEntry("GestureConfirmation", false);
_kNotifyModifiers = keyboardGroup.readEntry("kNotifyModifiers", false);
_kNotifyAccessX = keyboardGroup.readEntry("kNotifyAccessX", false);
// mouse-by-keyboard
KConfigGroup mouseGroup(_config, "Mouse");
if (mouseGroup.readEntry("MouseKeys", false)) {
xkb->ctrls->mk_delay = mouseGroup.readEntry("MKDelay", 160);
// Default for initial velocity: 200 pixels/sec
int interval = mouseGroup.readEntry("MKInterval", 5);
xkb->ctrls->mk_interval = interval;
// Default time to reach maximum speed: 5000 msec
xkb->ctrls->mk_time_to_max = mouseGroup.readEntry("MKTimeToMax", (5000 + interval / 2) / interval);
// Default maximum speed: 1000 pixels/sec
// (The old default maximum speed from KDE <= 3.4
// (100000 pixels/sec) was way too fast)
xkb->ctrls->mk_max_speed = mouseGroup.readEntry("MKMaxSpeed", interval);
xkb->ctrls->mk_curve = mouseGroup.readEntry("MKCurve", 0);
xkb->ctrls->mk_dflt_btn = mouseGroup.readEntry("MKDefaultButton", 0);
xkb->ctrls->enabled_ctrls |= XkbMouseKeysMask;
} else
xkb->ctrls->enabled_ctrls &= ~XkbMouseKeysMask;
features = xkb->ctrls->enabled_ctrls & (XkbSlowKeysMask | XkbBounceKeysMask | XkbStickyKeysMask | XkbMouseKeysMask);
if (dialog == nullptr)
requestedFeatures = features;
// set state
XkbSetControls(QX11Info::display(),
XkbControlsEnabledMask | XkbMouseKeysAccelMask | XkbStickyKeysMask | XkbSlowKeysMask | XkbBounceKeysMask | XkbAccessXKeysMask
| XkbAccessXTimeoutMask,
xkb);
// select AccessX events
XkbSelectEvents(QX11Info::display(), XkbUseCoreKbd, XkbAllEventsMask, XkbAllEventsMask);
if (!_artsBell && !_visibleBell && !(_gestures && _gestureConfirmation) && !_kNotifyModifiers && !_kNotifyAccessX) {
uint ctrls = XkbStickyKeysMask | XkbSlowKeysMask | XkbBounceKeysMask | XkbMouseKeysMask | XkbAudibleBellMask | XkbControlsNotifyMask;
uint values = xkb->ctrls->enabled_ctrls & ctrls;
XkbSetAutoResetControls(QX11Info::display(), ctrls, &ctrls, &values);
} else {
// reset them after program exit
uint ctrls = XkbStickyKeysMask | XkbSlowKeysMask | XkbBounceKeysMask | XkbMouseKeysMask | XkbAudibleBellMask | XkbControlsNotifyMask;
uint values = XkbAudibleBellMask;
XkbSetAutoResetControls(QX11Info::display(), ctrls, &ctrls, &values);
}
delete overlay;
overlay = nullptr;
KConfigGroup screenReaderGroup(_config, "ScreenReader");
setScreenReaderEnabled(screenReaderGroup.readEntry("Enabled", false));
QString shortcut = screenReaderGroup.readEntry("Shortcut", QStringLiteral("Meta+Alt+S"));
toggleScreenReaderAction->setText(i18n("Toggle Screen Reader On and Off"));
toggleScreenReaderAction->setObjectName(QStringLiteral("Toggle Screen Reader On and Off"));
toggleScreenReaderAction->setProperty("componentDisplayName", i18nc("Name for kaccess shortcuts category", "Accessibility"));
KGlobalAccel::self()->setGlobalShortcut(toggleScreenReaderAction, QKeySequence(shortcut));
connect(toggleScreenReaderAction, &QAction::triggered, this, &KAccessApp::toggleScreenReader);
}
void KAccessApp::toggleScreenReader()
{
KSharedConfig::Ptr _config = KSharedConfig::openConfig();
KConfigGroup screenReaderGroup(_config, "ScreenReader");
bool enabled = !screenReaderGroup.readEntry("Enabled", false);
screenReaderGroup.writeEntry("Enabled", enabled);
setScreenReaderEnabled(enabled);
}
void KAccessApp::setScreenReaderEnabled(bool enabled)
{
if (enabled) {
QStringList args = {QStringLiteral("set"),
QStringLiteral("org.gnome.desktop.a11y.applications"),
QStringLiteral("screen-reader-enabled"),
QStringLiteral("true")};
int ret = QProcess::execute(QStringLiteral("gsettings"), args);
if (ret == 0) {
qint64 pid = 0;
QProcess::startDetached(QStringLiteral("orca"), {QStringLiteral("--replace")}, QString(), &pid);
qCDebug(logKAccess) << "Launching Orca, pid:" << pid;
}
} else {
QProcess::startDetached(
QStringLiteral("gsettings"),
{QStringLiteral("set"), QStringLiteral("org.gnome.desktop.a11y.applications"), QStringLiteral("screen-reader-enabled"), QStringLiteral("false")});
}
}
static int maskToBit(int mask)
{
for (int i = 0; i < 8; i++)
if (mask & (1 << i))
return i;
return -1;
}
void KAccessApp::initMasks()
{
for (int i = 0; i < 8; i++)
keys[i] = -1;
state = 0;
for (int i = 0; strcmp(modifierKeys[i].name, "") != 0; i++) {
int mask = modifierKeys[i].mask;
if (mask == 0) {
if (modifierKeys[i].keysym != 0) {
mask = XkbKeysymToModifiers(QX11Info::display(), modifierKeys[i].keysym);
} else {
if (!strcmp(modifierKeys[i].name, "Win")) {
mask = KKeyServer::modXMeta();
} else {
mask = XkbKeysymToModifiers(QX11Info::display(), XK_Mode_switch) | XkbKeysymToModifiers(QX11Info::display(), XK_ISO_Level3_Shift)
| XkbKeysymToModifiers(QX11Info::display(), XK_ISO_Level3_Latch) | XkbKeysymToModifiers(QX11Info::display(), XK_ISO_Level3_Lock);
}
}
}
int bit = maskToBit(mask);
if (bit != -1 && keys[bit] == -1)
keys[bit] = i;
}
}
struct xkb_any_ {
uint8_t response_type;
uint8_t xkbType;
uint16_t sequence;
xcb_timestamp_t time;
uint8_t deviceID;
};
bool KAccessApp::nativeEventFilter(const QByteArray &eventType, void *message, long int *result)
{
if (eventType == "xcb_generic_event_t") {
xcb_generic_event_t *event = static_cast<xcb_generic_event_t *>(message);
if ((event->response_type & ~0x80) == XkbEventCode + xkb_opcode) {
xkb_any_ *ev = reinterpret_cast<xkb_any_ *>(event);
// Workaround for an XCB bug. xkbType comes from an EventType that is defined with bits, like
// <item name="BellNotify"> <bit>8</bit>
// while the generated XCB event type enum is defined as a bitmask, like
// XCB_XKB_EVENT_TYPE_BELL_NOTIFY = 256
// This means if xbkType is 8, we need to set the 8th bit to 1, thus raising 2 to power of 8.
// See also https://bugs.freedesktop.org/show_bug.cgi?id=51295
const int eventType = pow(2, ev->xkbType);
switch (eventType) {
case XCB_XKB_EVENT_TYPE_STATE_NOTIFY:
xkbStateNotify();
break;
case XCB_XKB_EVENT_TYPE_BELL_NOTIFY:
xkbBellNotify(reinterpret_cast<xcb_xkb_bell_notify_event_t *>(event));
break;
case XCB_XKB_EVENT_TYPE_CONTROLS_NOTIFY:
xkbControlsNotify(reinterpret_cast<xcb_xkb_controls_notify_event_t *>(event));
break;
}
return true;
}
}
return false;
}
void VisualBell::paintEvent(QPaintEvent *event)
{
QWidget::paintEvent(event);
QTimer::singleShot(_pause, this, &QWidget::hide);
}
void KAccessApp::activeWindowChanged(WId wid)
{
_activeWindow = wid;
}
void KAccessApp::xkbStateNotify()
{
XkbStateRec state_return;
XkbGetState(QX11Info::display(), XkbUseCoreKbd, &state_return);
unsigned char latched = XkbStateMods(&state_return);
unsigned char locked = XkbModLocks(&state_return);
int mods = ((int)locked) << 8 | latched;
if (state != mods) {
if (_kNotifyModifiers)
for (int i = 0; i < 8; i++) {
if (keys[i] != -1) {
if (!strcmp(modifierKeys[keys[i]].latchedText, "") && ((((mods >> i) & 0x101) != 0) != (((state >> i) & 0x101) != 0))) {
if ((mods >> i) & 1) {
KNotification::event(QStringLiteral("lockkey-locked"), i18n(modifierKeys[keys[i]].lockedText));
} else {
KNotification::event(QStringLiteral("lockkey-unlocked"), i18n(modifierKeys[keys[i]].unlatchedText));
}
} else if (strcmp(modifierKeys[keys[i]].latchedText, "") && (((mods >> i) & 0x101) != ((state >> i) & 0x101))) {
if ((mods >> i) & 0x100) {
KNotification::event(QStringLiteral("modifierkey-locked"), i18n(modifierKeys[keys[i]].lockedText));
} else if ((mods >> i) & 1) {
KNotification::event(QStringLiteral("modifierkey-latched"), i18n(modifierKeys[keys[i]].latchedText));
} else {
KNotification::event(QStringLiteral("modifierkey-unlatched"), i18n(modifierKeys[keys[i]].unlatchedText));
}
}
}
}
state = mods;
}
}
void KAccessApp::xkbBellNotify(xcb_xkb_bell_notify_event_t *event)
{
// bail out if we should not really ring
if (event->eventOnly)
return;
// flash the visible bell
if (_visibleBell) {
// create overlay widget
if (!overlay)
overlay = new VisualBell(_visibleBellPause);
WId id = _activeWindow;
NETRect frame, window;
NETWinInfo net(QX11Info::connection(), id, qApp->desktop()->winId(), NET::Properties(), NET::Properties2());
net.kdeGeometry(frame, window);
overlay->setGeometry(window.pos.x, window.pos.y, window.size.width, window.size.height);
if (_visibleBellInvert) {
QPixmap screen = QPixmap::grabWindow(id, 0, 0, window.size.width, window.size.height);
#ifdef __GNUC__
#warning is this the best way to invert a pixmap?
#endif
// QPixmap invert(window.size.width, window.size.height);
QImage i = screen.toImage();
i.invertPixels();
QPalette pal = overlay->palette();
pal.setBrush(overlay->backgroundRole(), QBrush(QPixmap::fromImage(i)));
overlay->setPalette(pal);
/*
QPainter p(&invert);
p.setRasterOp(QPainter::NotCopyROP);
p.drawPixmap(0, 0, screen);
overlay->setBackgroundPixmap(invert);
*/
} else {
QPalette pal = overlay->palette();
pal.setColor(overlay->backgroundRole(), _visibleBellColor);
overlay->setPalette(pal);
}
// flash the overlay widget
overlay->raise();
overlay->show();
qApp->flush();
}
// ask Phonon to ring a nice bell
if (_artsBell) {
if (!_player) { // as creating the player is expensive, delay the creation
_player = Phonon::createPlayer(Phonon::AccessibilityCategory);
_player->setParent(this);
_player->setCurrentSource(_currentPlayerSource);
}
_player->play();
}
}
QString mouseKeysShortcut(Display *display)
{
// Calculate the keycode
KeySym sym = XK_MouseKeys_Enable;
KeyCode code = XKeysymToKeycode(display, sym);
if (code == 0) {
sym = XK_Pointer_EnableKeys;
code = XKeysymToKeycode(display, sym);
if (code == 0)
return QString(); // No shortcut available?
}
// Calculate the modifiers by searching the keysym in the X keyboard mapping
XkbDescPtr xkbdesc = XkbGetMap(display, XkbKeyTypesMask | XkbKeySymsMask, XkbUseCoreKbd);
if (!xkbdesc)
return QString(); // Failed to obtain the mapping from server
bool found = false;
unsigned char modifiers = 0;
int groups = XkbKeyNumGroups(xkbdesc, code);
for (int grp = 0; grp < groups && !found; grp++) {
int levels = XkbKeyGroupWidth(xkbdesc, code, grp);
for (int level = 0; level < levels && !found; level++) {
if (sym == XkbKeySymEntry(xkbdesc, code, level, grp)) {
// keysym found => determine modifiers
int typeIdx = xkbdesc->map->key_sym_map[code].kt_index[grp];
XkbKeyTypePtr type = &(xkbdesc->map->types[typeIdx]);
for (int i = 0; i < type->map_count && !found; i++) {
if (type->map[i].active && (type->map[i].level == level)) {
modifiers = type->map[i].mods.mask;
found = true;
}
}
}
}
}
XkbFreeClientMap(xkbdesc, 0, true);
if (!found)
return QString(); // Somehow the keycode -> keysym mapping is flawed
XEvent ev;
ev.type = KeyPress;
ev.xkey.display = display;
ev.xkey.keycode = code;
ev.xkey.state = 0;
int key;
KKeyServer::xEventToQt(&ev, &key);
QString keyname = QKeySequence(key).toString();
unsigned int AltMask = KKeyServer::modXAlt();
unsigned int WinMask = KKeyServer::modXMeta();
unsigned int NumMask = KKeyServer::modXNumLock();
unsigned int ScrollMask = KKeyServer::modXScrollLock();
unsigned int MetaMask = XkbKeysymToModifiers(display, XK_Meta_L);
unsigned int SuperMask = XkbKeysymToModifiers(display, XK_Super_L);
unsigned int HyperMask = XkbKeysymToModifiers(display, XK_Hyper_L);
unsigned int AltGrMask = XkbKeysymToModifiers(display, XK_Mode_switch) | XkbKeysymToModifiers(display, XK_ISO_Level3_Shift)
| XkbKeysymToModifiers(display, XK_ISO_Level3_Latch) | XkbKeysymToModifiers(display, XK_ISO_Level3_Lock);
unsigned int mods = ShiftMask | ControlMask | AltMask | WinMask | LockMask | NumMask | ScrollMask;
AltGrMask &= ~mods;
MetaMask &= ~(mods | AltGrMask);
SuperMask &= ~(mods | AltGrMask | MetaMask);
HyperMask &= ~(mods | AltGrMask | MetaMask | SuperMask);
if ((modifiers & AltGrMask) != 0)
keyname = i18n("AltGraph") + QLatin1Char('+') + keyname;
if ((modifiers & HyperMask) != 0)
keyname = i18n("Hyper") + QLatin1Char('+') + keyname;
if ((modifiers & SuperMask) != 0)
keyname = i18n("Super") + QLatin1Char('+') + keyname;
if ((modifiers & WinMask) != 0)
keyname = i18n("Meta") + QLatin1Char('+') + keyname;
if ((modifiers & WinMask) != 0)
keyname = QKeySequence(Qt::META).toString() + QLatin1Char('+') + keyname;
if ((modifiers & AltMask) != 0)
keyname = QKeySequence(Qt::ALT).toString() + QLatin1Char('+') + keyname;
if ((modifiers & ControlMask) != 0)
keyname = QKeySequence(Qt::CTRL).toString() + QLatin1Char('+') + keyname;
if ((modifiers & ShiftMask) != 0)
keyname = QKeySequence(Qt::SHIFT).toString() + QLatin1Char('+') + keyname;
return keyname;
}
void KAccessApp::createDialogContents()
{
if (dialog == nullptr) {
dialog = new QDialog(nullptr);
dialog->setWindowTitle(i18n("Warning"));
dialog->setObjectName(QStringLiteral("AccessXWarning"));
dialog->setModal(true);
QVBoxLayout *topLayout = new QVBoxLayout();
QHBoxLayout *lay = new QHBoxLayout();
QLabel *label1 = new QLabel();
QIcon icon = QIcon::fromTheme(QStringLiteral("dialog-warning"));
if (icon.isNull())
icon = QMessageBox::standardIcon(QMessageBox::Warning);
label1->setPixmap(icon.pixmap(64, 64));
lay->addWidget(label1, 0, Qt::AlignCenter);
QVBoxLayout *vlay = new QVBoxLayout();
lay->addItem(vlay);
featuresLabel = new QLabel();
featuresLabel->setAlignment(Qt::AlignVCenter);
featuresLabel->setWordWrap(true);
vlay->addWidget(featuresLabel);
vlay->addStretch();
QHBoxLayout *hlay = new QHBoxLayout();
vlay->addItem(hlay);
QLabel *showModeLabel = new QLabel(i18n("&When a gesture was used:"));
hlay->addWidget(showModeLabel);
showModeCombobox = new KComboBox();
hlay->addWidget(showModeCombobox);
showModeLabel->setBuddy(showModeCombobox);
showModeCombobox->insertItem(0, i18n("Change Settings Without Asking"));
showModeCombobox->insertItem(1, i18n("Show This Confirmation Dialog"));
showModeCombobox->insertItem(2, i18n("Deactivate All AccessX Features & Gestures"));
showModeCombobox->setCurrentIndex(1);
topLayout->addLayout(lay);
auto buttons = new QDialogButtonBox(QDialogButtonBox::Yes | QDialogButtonBox::No, dialog);
topLayout->addWidget(buttons);
dialog->setLayout(topLayout);
connect(buttons, &QDialogButtonBox::accepted, dialog, &QDialog::accept);
connect(buttons, &QDialogButtonBox::rejected, dialog, &QDialog::reject);
connect(dialog, &QDialog::accepted, this, &KAccessApp::yesClicked);
connect(dialog, &QDialog::rejected, this, &KAccessApp::noClicked);
}
}
void KAccessApp::xkbControlsNotify(xcb_xkb_controls_notify_event_t *event)
{
unsigned int newFeatures =
event->enabledControls & (XCB_XKB_BOOL_CTRL_SLOW_KEYS | XCB_XKB_BOOL_CTRL_BOUNCE_KEYS | XCB_XKB_BOOL_CTRL_STICKY_KEYS | XCB_XKB_BOOL_CTRL_MOUSE_KEYS);
if (newFeatures != features) {
unsigned int enabled = newFeatures & ~features;
unsigned int disabled = features & ~newFeatures;
if (!_gestureConfirmation) {
requestedFeatures = enabled | (requestedFeatures & ~disabled);
notifyChanges();
features = newFeatures;
} else {
// set the AccessX features back to what they were. We will
// apply the changes later if the user allows us to do that.
readSettings();
requestedFeatures = enabled | (requestedFeatures & ~disabled);
enabled = requestedFeatures & ~features;
disabled = features & ~requestedFeatures;
QStringList enabledFeatures;
QStringList disabledFeatures;
if (enabled & XCB_XKB_BOOL_CTRL_SLOW_KEYS)
enabledFeatures << i18n("Slow keys");
else if (disabled & XCB_XKB_BOOL_CTRL_SLOW_KEYS)
disabledFeatures << i18n("Slow keys");
if (enabled & XCB_XKB_BOOL_CTRL_BOUNCE_KEYS)
enabledFeatures << i18n("Bounce keys");
else if (disabled & XCB_XKB_BOOL_CTRL_BOUNCE_KEYS)
disabledFeatures << i18n("Bounce keys");
if (enabled & XCB_XKB_BOOL_CTRL_STICKY_KEYS)
enabledFeatures << i18n("Sticky keys");
else if (disabled & XCB_XKB_BOOL_CTRL_STICKY_KEYS)
disabledFeatures << i18n("Sticky keys");
if (enabled & XCB_XKB_BOOL_CTRL_MOUSE_KEYS)
enabledFeatures << i18n("Mouse keys");
else if (disabled & XCB_XKB_BOOL_CTRL_MOUSE_KEYS)
disabledFeatures << i18n("Mouse keys");
QString question;
switch (enabledFeatures.count()) {
case 0:
switch (disabledFeatures.count()) {
case 1:
question = i18n("Do you really want to deactivate \"%1\"?", disabledFeatures[0]);
break;
case 2:
question = i18n("Do you really want to deactivate \"%1\" and \"%2\"?", disabledFeatures[0], disabledFeatures[1]);
break;
case 3:
question =
i18n("Do you really want to deactivate \"%1\", \"%2\" and \"%3\"?", disabledFeatures[0], disabledFeatures[1], disabledFeatures[2]);
break;
case 4:
question = i18n("Do you really want to deactivate \"%1\", \"%2\", \"%3\" and \"%4\"?",
disabledFeatures[0],
disabledFeatures[1],
disabledFeatures[2],
disabledFeatures[3]);
break;
}
break;
case 1:
switch (disabledFeatures.count()) {
case 0:
question = i18n("Do you really want to activate \"%1\"?", enabledFeatures[0]);
break;
case 1:
question = i18n("Do you really want to activate \"%1\" and to deactivate \"%2\"?", enabledFeatures[0], disabledFeatures[0]);
break;
case 2:
question = i18n("Do you really want to activate \"%1\" and to deactivate \"%2\" and \"%3\"?",
enabledFeatures[0],
disabledFeatures[0],
disabledFeatures[1]);
break;
case 3:
question = i18n("Do you really want to activate \"%1\" and to deactivate \"%2\", \"%3\" and \"%4\"?",
enabledFeatures[0],
disabledFeatures[0],
disabledFeatures[1],
disabledFeatures[2]);
break;
}
break;
case 2:
switch (disabledFeatures.count()) {
case 0:
question = i18n("Do you really want to activate \"%1\" and \"%2\"?", enabledFeatures[0], enabledFeatures[1]);
break;
case 1:
question = i18n("Do you really want to activate \"%1\" and \"%2\" and to deactivate \"%3\"?",
enabledFeatures[0],
enabledFeatures[1],
disabledFeatures[0]);
break;
case 2:
question = i18n("Do you really want to activate \"%1\", and \"%2\" and to deactivate \"%3\" and \"%4\"?",
enabledFeatures[0],
enabledFeatures[1],
enabledFeatures[0],
disabledFeatures[1]);
break;
}
break;
case 3:
switch (disabledFeatures.count()) {
case 0:
question = i18n("Do you really want to activate \"%1\", \"%2\" and \"%3\"?", enabledFeatures[0], enabledFeatures[1], enabledFeatures[2]);
break;
case 1:
question = i18n("Do you really want to activate \"%1\", \"%2\" and \"%3\" and to deactivate \"%4\"?",
enabledFeatures[0],
enabledFeatures[1],
enabledFeatures[2],
disabledFeatures[0]);
break;
}
break;
case 4:
question = i18n("Do you really want to activate \"%1\", \"%2\", \"%3\" and \"%4\"?",
enabledFeatures[0],
enabledFeatures[1],
enabledFeatures[2],
enabledFeatures[3]);
break;
}
QString explanation;
if (enabledFeatures.count() + disabledFeatures.count() == 1) {
explanation = i18n("An application has requested to change this setting.");
if (_gestures) {
if ((enabled | disabled) == XCB_XKB_BOOL_CTRL_SLOW_KEYS)
explanation = i18n("You held down the Shift key for 8 seconds or an application has requested to change this setting.");
else if ((enabled | disabled) == XCB_XKB_BOOL_CTRL_STICKY_KEYS)
explanation = i18n("You pressed the Shift key 5 consecutive times or an application has requested to change this setting.");
else if ((enabled | disabled) == XCB_XKB_BOOL_CTRL_MOUSE_KEYS) {
QString shortcut = mouseKeysShortcut(QX11Info::display());
if (!shortcut.isEmpty() && !shortcut.isNull())
explanation = i18n("You pressed %1 or an application has requested to change this setting.", shortcut);
}
}
} else {
if (_gestures)
explanation = i18n("An application has requested to change these settings, or you used a combination of several keyboard gestures.");
else
explanation = i18n("An application has requested to change these settings.");
}
createDialogContents();
featuresLabel->setText(question + QStringLiteral("\n\n") + explanation + QStringLiteral(" ")
+ i18n("These AccessX settings are needed for some users with motion impairments and can be configured in the KDE System "
"Settings. You can also turn them on and off with standardized keyboard gestures.\n\nIf you do not need them, you "
"can select \"Deactivate all AccessX features and gestures\"."));
KWindowSystem::setState(dialog->winId(), NET::KeepAbove);
KUserTimestamp::updateUserTimestamp(0);
dialog->show();
}
}
}
void KAccessApp::notifyChanges()
{
if (!_kNotifyAccessX)
return;
unsigned int enabled = requestedFeatures & ~features;
unsigned int disabled = features & ~requestedFeatures;
if (enabled & XCB_XKB_BOOL_CTRL_SLOW_KEYS)
KNotification::event(QStringLiteral("slowkeys"),
i18n("Slow keys has been enabled. From now on, you need to press each key for a certain length of time before it gets accepted."));
else if (disabled & XCB_XKB_BOOL_CTRL_SLOW_KEYS)
KNotification::event(QStringLiteral("slowkeys"), i18n("Slow keys has been disabled."));
if (enabled & XCB_XKB_BOOL_CTRL_BOUNCE_KEYS)
KNotification::event(QStringLiteral("bouncekeys"),
i18n("Bounce keys has been enabled. From now on, each key will be blocked for a certain length of time after it was used."));
else if (disabled & XCB_XKB_BOOL_CTRL_BOUNCE_KEYS)
KNotification::event(QStringLiteral("bouncekeys"), i18n("Bounce keys has been disabled."));
if (enabled & XCB_XKB_BOOL_CTRL_STICKY_KEYS)
KNotification::event(QStringLiteral("stickykeys"),
i18n("Sticky keys has been enabled. From now on, modifier keys will stay latched after you have released them."));
else if (disabled & XCB_XKB_BOOL_CTRL_STICKY_KEYS)
KNotification::event(QStringLiteral("stickykeys"), i18n("Sticky keys has been disabled."));
if (enabled & XCB_XKB_BOOL_CTRL_MOUSE_KEYS)
KNotification::event(QStringLiteral("mousekeys"),
i18n("Mouse keys has been enabled. From now on, you can use the number pad of your keyboard in order to control the mouse."));
else if (disabled & XCB_XKB_BOOL_CTRL_MOUSE_KEYS)
KNotification::event(QStringLiteral("mousekeys"), i18n("Mouse keys has been disabled."));
}
void KAccessApp::applyChanges()
{
notifyChanges();
unsigned int enabled = requestedFeatures & ~features;
unsigned int disabled = features & ~requestedFeatures;
KConfigGroup config(KSharedConfig::openConfig(), "Keyboard");
if (enabled & XCB_XKB_BOOL_CTRL_SLOW_KEYS)
config.writeEntry("SlowKeys", true);
else if (disabled & XCB_XKB_BOOL_CTRL_SLOW_KEYS)
config.writeEntry("SlowKeys", false);
if (enabled & XCB_XKB_BOOL_CTRL_BOUNCE_KEYS)
config.writeEntry("BounceKeys", true);
else if (disabled & XCB_XKB_BOOL_CTRL_BOUNCE_KEYS)
config.writeEntry("BounceKeys", false);
if (enabled & XCB_XKB_BOOL_CTRL_STICKY_KEYS)
config.writeEntry("StickyKeys", true);
else if (disabled & XCB_XKB_BOOL_CTRL_STICKY_KEYS)
config.writeEntry("StickyKeys", false);
KConfigGroup mousegrp(KSharedConfig::openConfig(), "Mouse");
if (enabled & XCB_XKB_BOOL_CTRL_MOUSE_KEYS)
mousegrp.writeEntry("MouseKeys", true);
else if (disabled & XCB_XKB_BOOL_CTRL_MOUSE_KEYS)
mousegrp.writeEntry("MouseKeys", false);
mousegrp.sync();
config.sync();
}
void KAccessApp::yesClicked()
{
if (dialog)
dialog->deleteLater();
dialog = nullptr;
KConfigGroup config(KSharedConfig::openConfig(), "Keyboard");
switch (showModeCombobox->currentIndex()) {
case 0:
config.writeEntry("Gestures", true);
config.writeEntry("GestureConfirmation", false);
break;
default:
config.writeEntry("Gestures", true);
config.writeEntry("GestureConfirmation", true);
break;
case 2:
requestedFeatures = 0;
config.writeEntry("Gestures", false);
config.writeEntry("GestureConfirmation", true);
}
config.sync();
if (features != requestedFeatures) {
notifyChanges();
applyChanges();
}
readSettings();
}
void KAccessApp::noClicked()
{
if (dialog)
dialog->deleteLater();
dialog = nullptr;
requestedFeatures = features;
KConfigGroup config(KSharedConfig::openConfig(), "Keyboard");
switch (showModeCombobox->currentIndex()) {
case 0:
config.writeEntry("Gestures", true);
config.writeEntry("GestureConfirmation", false);
break;
default:
config.writeEntry("Gestures", true);
config.writeEntry("GestureConfirmation", true);
break;
case 2:
requestedFeatures = 0;
config.writeEntry("Gestures", false);
config.writeEntry("GestureConfirmation", true);
}
config.sync();
if (features != requestedFeatures)
applyChanges();
readSettings();
}
void KAccessApp::dialogClosed()
{
if (dialog != nullptr)
dialog->deleteLater();
dialog = nullptr;
requestedFeatures = features;
}
void KAccessApp::setXkbOpcode(int opcode)
{
xkb_opcode = opcode;
}
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