// This function overrides the QWidget::event() and should return true if the
// event was recognized, otherwise it should return false. If the recognized
// event was accepted (see QEvent::accepted), any further processing such as
// event propagation to the parent widget stops.
bool TCommandLine::event(QEvent* event)
{
const Qt::KeyboardModifiers allModifiers = Qt::ShiftModifier | Qt::ControlModifier | Qt::AltModifier | Qt::MetaModifier | Qt::KeypadModifier | Qt::GroupSwitchModifier;
if (event->type() == QEvent::KeyPress) {
auto * ke = dynamic_cast<QKeyEvent*>(event);
// Shortcut for keypad keys
if ((ke->modifiers() & Qt::KeypadModifier) && mpKeyUnit->processDataStream(ke->key(), (int)ke->modifiers())) {
ke->accept();
return true;
}
switch (ke->key()) {
case Qt::Key_Space:
if ((ke->modifiers() & (allModifiers & ~(Qt::ShiftModifier))) == Qt::NoModifier) {
// Ignore the <SHIFT> modifier only - keeps some users happy!
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
mTabCompletionTyped.clear();
mAutoCompletionTyped.clear();
if (mpHost->mAutoClearCommandLineAfterSend) {
mHistoryBuffer = -1;
} else {
mHistoryBuffer = 0;
}
mLastCompletion.clear();
break;
} else {
// Process as a possible key binding if there are ANY modifiers
// other than just a <SHIFT> one; may actaully be configured as
// a non-breaking space when used with a modifier!
return processPotentialKeyBinding(ke);
}
case Qt::Key_Backtab:
// <BACKTAB> is usually internally generated by SHIFT used in
// conjunction with TAB - so ignore just the SHIFT key:
if ((ke->modifiers() & (allModifiers & ~(Qt::ShiftModifier))) == Qt::ControlModifier) {
// Switch to PREVIOUS profile tab when used with <CTRL> (and
// implicit <SHIFT>):
int currentIndex = mudlet::self()->mpTabBar->currentIndex();
int count = mudlet::self()->mpTabBar->count();
if (currentIndex - 1 < 0) {
mudlet::self()->mpTabBar->setCurrentIndex(count - 1);
} else {
mudlet::self()->mpTabBar->setCurrentIndex(currentIndex - 1);
}
ke->accept();
return true;
} else if ((ke->modifiers() & (allModifiers & ~(Qt::ShiftModifier))) == Qt::NoModifier) {
// Process as plain <BACKTAB> - (ignoring implicit <SHIFT>)
handleTabCompletion(false);
adjustHeight();
ke->accept();
return true;
} else {
// Process as a possible key binding if there are ANY modifiers
// other than just the ignored <SHIFT> and the possible <CTRL>:
return processPotentialKeyBinding(ke);
}
case Qt::Key_Tab:
if ((ke->modifiers() & allModifiers) == Qt::ControlModifier) {
// Switch to NEXT profile tab
int currentIndex = mudlet::self()->mpTabBar->currentIndex();
int count = mudlet::self()->mpTabBar->count();
if (currentIndex + 1 < count) {
mudlet::self()->mpTabBar->setCurrentIndex(currentIndex + 1);
} else {
mudlet::self()->mpTabBar->setCurrentIndex(0);
}
ke->accept();
return true;
} else if ((ke->modifiers() & allModifiers) == Qt::NoModifier) {
handleTabCompletion(true);
ke->accept();
return true;
} else {
// Process as a possible key binding if there are ANY modifiers
// other than just the Ctrl one
// CHECKME: What about system foreground application switching?
return processPotentialKeyBinding(ke);
}
case Qt::Key_unknown:
qWarning() << "ERROR: key unknown!";
break;
case Qt::Key_Backspace:
if ((ke->modifiers() & (allModifiers & ~(Qt::ControlModifier|Qt::ShiftModifier))) == Qt::NoModifier) {
// Ignore state of <CTRL> and <SHIFT> keys
if (mpHost->mAutoClearCommandLineAfterSend) {
mHistoryBuffer = -1;
} else {
mHistoryBuffer = 0;
}
if (mTabCompletionTyped.size() >= 1) {
mTabCompletionTyped.chop(1);
mAutoCompletionTyped.chop(1);
}
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
mLastCompletion.clear();
QPlainTextEdit::event(event);
adjustHeight();
return true;
} else {
// Process as a possible key binding if there are ANY modifiers
// other than <CTRL> and/or <SHIFT>
return processPotentialKeyBinding(ke);
}
case Qt::Key_Delete:
if ((ke->modifiers() & allModifiers) == Qt::NoModifier) {
if (mpHost->mAutoClearCommandLineAfterSend) {
mHistoryBuffer = -1;
} else {
mHistoryBuffer = 0;
}
if (mTabCompletionTyped.size() >= 1) {
mTabCompletionTyped.chop(1);
mAutoCompletionTyped.chop(1);
} else {
mTabCompletionTyped.clear();
mAutoCompletionTyped.clear();
mUserKeptOnTyping = false;
}
mAutoCompletionCount = -1;
mTabCompletionCount = -1;
mLastCompletion.clear();
QPlainTextEdit::event(event);
adjustHeight();
return true;
} else {
// Process as a possible key binding if there are ANY modifiers
return processPotentialKeyBinding(ke);
}
case Qt::Key_Return: // This is the main one (not the keypad)
if ((ke->modifiers() & allModifiers) == Qt::ControlModifier) {
// If Ctrl-Return is pressed - scroll to the bottom of text:
mpConsole->mLowerPane->mCursorY = mpConsole->buffer.size();
mpConsole->mLowerPane->hide();
mpConsole->buffer.mCursorY = mpConsole->buffer.size();
mpConsole->mUpperPane->mCursorY = mpConsole->buffer.size();
mpConsole->mUpperPane->mIsTailMode = true;
mpConsole->mUpperPane->updateScreenView();
mpConsole->mUpperPane->forceUpdate();
ke->accept();
return true;
} else if ((ke->modifiers() & allModifiers) == Qt::ShiftModifier) {
textCursor().insertBlock();
ke->accept();
return true;
} else if ((ke->modifiers() & allModifiers) == Qt::NoModifier) {
// Do the normal return key stuff only if NO modifiers are used:
enterCommand(ke);
mAutoCompletionCount = -1;
mAutoCompletionTyped.clear();
mLastCompletion.clear();
mTabCompletionTyped.clear();
mUserKeptOnTyping = false;
mTabCompletionCount = -1;
if (mpHost->mAutoClearCommandLineAfterSend) {
clear();
mHistoryBuffer = -1;
} else {
mHistoryBuffer = 0;
}
adjustHeight();
ke->accept();
return true;
} else {
// Process as a possible key binding if there are ANY modifiers,
// other than just the Shift or just the Control modifiers
return processPotentialKeyBinding(ke);
}
case Qt::Key_Enter:
// This is usually the Keypad one, so may come with
// the keypad modifier - but if so it may never be reached because
// of the keypad modifier interception done before this switch...
if ((ke->modifiers() & (allModifiers & ~(Qt::KeypadModifier))) == Qt::NoModifier) {
// Do the "normal" return key action if no or just the keypad
// modifier is present:
enterCommand(ke);
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
mLastCompletion.clear();
mTabCompletionTyped.clear();
mAutoCompletionTyped.clear();
mUserKeptOnTyping = false;
if (mpHost->mAutoClearCommandLineAfterSend) {
clear();
mHistoryBuffer = -1;
} else {
mHistoryBuffer = 0;
}
adjustHeight();
ke->accept();
return true;
} else {
// Process as a possible key binding if there are ANY modifiers,
// other than just the Keypad modifier
return processPotentialKeyBinding(ke);
}
case Qt::Key_Down:
#if defined(Q_OS_MACOS)
if ((ke->modifiers() & allModifiers) == (Qt::ControlModifier|Qt::KeypadModifier)) {
#else
if ((ke->modifiers() & allModifiers) == Qt::ControlModifier) {
#endif
// If EXACTLY <Ctrl>-Down is pressed (special case for macOs -
// also sets KeyPad modifier)
moveCursor(QTextCursor::Down, QTextCursor::MoveAnchor);
ke->accept();
return true;
#if defined(Q_OS_MACOS)
} else if ((ke->modifiers() & allModifiers) == Qt::KeypadModifier) {
#else
} else if ((ke->modifiers() & allModifiers) == Qt::NoModifier) {
#endif
// If EXACTLY Down is pressed without modifiers (special case
// for macOs - also sets KeyPad modifier)
historyDown(ke);
ke->accept();
return true;
} else {
// Process as a possible key binding if there are ANY modifiers,
// other than just the Control modifier (or keypad modifier on
// macOs)
return processPotentialKeyBinding(ke);
}
case Qt::Key_Up:
#if defined(Q_OS_MACOS)
if ((ke->modifiers() & allModifiers) == (Qt::ControlModifier|Qt::KeypadModifier)) {
#else
if ((ke->modifiers() & allModifiers) == Qt::ControlModifier) {
#endif
// If EXACTLY <Ctrl>-Up is pressed (special case for macOs -
// also sets KeyPad modifier)
moveCursor(QTextCursor::Up, QTextCursor::MoveAnchor);
ke->accept();
return true;
#if defined(Q_OS_MACOS)
} else if ((ke->modifiers() & allModifiers) == Qt::KeypadModifier) {
#else
} else if ((ke->modifiers() & allModifiers) == Qt::NoModifier) {
#endif
// If EXACTLY Up is pressed without modifiers (special case for
// macOs - also sets KeyPad modifier)
historyUp(ke);
ke->accept();
return true;
} else {
// Process as a possible key binding if there are ANY modifiers,
// other than just the Control modifier (or keypad modifier on
// macOs)
return processPotentialKeyBinding(ke);
}
case Qt::Key_Escape:
if ((ke->modifiers() & allModifiers) == Qt::NoModifier) {
// Escape from tab completion mode if used with NO modifiers
selectAll();
mAutoCompletion = false;
mTabCompletion = false;
mTabCompletionTyped.clear();
mAutoCompletionTyped.clear();
mUserKeptOnTyping = false;
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
setPalette(mRegularPalette);
if (mpHost->mAutoClearCommandLineAfterSend) {
mHistoryBuffer = -1;
} else {
mHistoryBuffer = 0;
}
ke->accept();
return true;
} else {
// Process as a possible key binding if there are ANY modifiers,
return processPotentialKeyBinding(ke);
}
case Qt::Key_PageUp:
if ((ke->modifiers() & allModifiers) == Qt::NoModifier) {
mpConsole->scrollUp(mpHost->mScreenHeight);
ke->accept();
return true;
} else {
// Process as a possible key binding if there are ANY modifiers,
return processPotentialKeyBinding(ke);
}
case Qt::Key_PageDown:
if ((ke->modifiers() & allModifiers) == Qt::NoModifier) {
mpConsole->scrollDown(mpHost->mScreenHeight);
ke->accept();
return true;
} else {
// Process as a possible key binding if there are ANY modifiers,
return processPotentialKeyBinding(ke);
}
case Qt::Key_C:
if (((ke->modifiers() & allModifiers) == Qt::ControlModifier)
&& (mpConsole->mUpperPane->mSelectedRegion != QRegion(0, 0, 0, 0))) {
// Only process as a Control-C if it is EXACTLY those two keys
// and no other AND there is a selection active in the TConsole
mpConsole->mUpperPane->slot_copySelectionToClipboard();
ke->accept();
return true;
} else {
// Process as a possible key binding if there are ANY modifiers,
if (processPotentialKeyBinding(ke)) {
return true;
} else {
processNormalKey(event);
return false;
}
}
default:
// Process as a possible key binding if there are ANY modifiers,
if (processPotentialKeyBinding(ke)) {
return true;
} else {
processNormalKey(event);
return false;
}
}
}
return QPlainTextEdit::event(event);
}
void TCommandLine::focusInEvent(QFocusEvent* event)
{
textCursor().movePosition(QTextCursor::Start);
textCursor().movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, mSelectedText.length());
mpConsole->mUpperPane->forceUpdate();
mpConsole->mLowerPane->forceUpdate();
QPlainTextEdit::focusInEvent(event);
}
bool TCommandLine::event( QEvent * event )
{
if( event->type() == QEvent::KeyPress )
{
QKeyEvent *ke = static_cast<QKeyEvent *>( event );
//qDebug()<<"modifier="<<ke->modifiers()<<" key="<<ke->key();
switch( ke->key() )
{
case Qt::Key_Space:
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
mTabCompletionTyped = "";
mAutoCompletionTyped = "";
if( mpHost->mAutoClearCommandLineAfterSend )
mHistoryBuffer = -1;
else
mHistoryBuffer = 0;
mLastCompletion = "";
break;
case Qt::Key_Backtab:
handleTabCompletion( false );
ke->accept();
adjustHeight();
return true;
break;
case Qt::Key_Tab:
handleTabCompletion( true );
ke->accept();
return true;
break;
case Qt::Key_unknown:
qWarning()<<"ERROR: key unknown!";
break;
case Qt::Key_Backspace:
if( mpHost->mAutoClearCommandLineAfterSend )
mHistoryBuffer = -1;
else
mHistoryBuffer = 0;
if( mTabCompletionTyped.size() >= 1 )
{
mTabCompletionTyped.chop(1);
mAutoCompletionTyped.chop(1);
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
mLastCompletion = "";
}
else
{
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
mLastCompletion = "";
}
QPlainTextEdit::event(event);
adjustHeight();
return true;
case Qt::Key_Delete:
if( mpHost->mAutoClearCommandLineAfterSend )
mHistoryBuffer = -1;
else
mHistoryBuffer = 0;
if( mTabCompletionTyped.size() >= 1 )
{
mTabCompletionTyped.chop(1);
mAutoCompletionTyped.chop(1);
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
mLastCompletion = "";
}
else
{
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
mLastCompletion = "";
mTabCompletionTyped = "";
mAutoCompletionTyped = "";
mUserKeptOnTyping = false;
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
}
QPlainTextEdit::event(event);
adjustHeight();
return true;
break;
case Qt::Key_Return:
if( ke->modifiers() & Qt::ControlModifier )
{
mpConsole->console2->mCursorY = mpConsole->buffer.size();//
mpConsole->console2->hide();
mpConsole->buffer.mCursorY = mpConsole->buffer.size();
mpConsole->console->mCursorY = mpConsole->buffer.size();//
mpConsole->console->mIsTailMode = true;
mpConsole->console->updateScreenView();
mpConsole->console->forceUpdate();
ke->accept();
return true;
}
else if( ke->modifiers() & Qt::ShiftModifier )
{
textCursor().insertBlock();
/*if( ! textCursor().movePosition(QTextCursor::Down, QTextCursor::KeepAnchor) )
{
textCursor().insertBlock();
}*/
ke->accept();
return true;
}
else
{
enterCommand(ke);
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
mLastCompletion = "";
mTabCompletionTyped = "";
mAutoCompletionTyped = "";
mUserKeptOnTyping = false;
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
if( mpHost->mAutoClearCommandLineAfterSend )
{
clear();
mHistoryBuffer = -1;
}
else
mHistoryBuffer = 0;
adjustHeight();
ke->accept();
return true;
}
break;
case Qt::Key_Enter:
enterCommand(ke);
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
mLastCompletion = "";
mTabCompletionTyped = "";
mAutoCompletionTyped = "";
mUserKeptOnTyping = false;
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
if( mpHost->mAutoClearCommandLineAfterSend )
{
clear();
mHistoryBuffer = -1;
}
else
mHistoryBuffer = 0;
adjustHeight();
ke->accept();
return true;
break;
case Qt::Key_Down:
if( ke->modifiers() & Qt::ControlModifier )
{
moveCursor(QTextCursor::Down, QTextCursor::MoveAnchor);
ke->accept();
return true;
}
else
{
historyDown(ke);
ke->accept();
return true;
}
break;
case Qt::Key_Up:
if( ke->modifiers() & Qt::ControlModifier )
{
moveCursor(QTextCursor::Up, QTextCursor::MoveAnchor );
ke->accept();
return true;
}
else
{
historyUp(ke);
ke->accept();
return true;
}
break;
case Qt::Key_Escape:
selectAll();
mAutoCompletion = false;
mTabCompletion = false;
mTabCompletionTyped = "";
mAutoCompletionTyped = "";
mUserKeptOnTyping = false;
mTabCompletionCount = -1;
mAutoCompletionCount = -1;
setPalette( mRegularPalette );
if( mpHost->mAutoClearCommandLineAfterSend )
mHistoryBuffer = -1;
else
mHistoryBuffer = 0;
ke->accept();
return true;
break;
case Qt::Key_PageUp:
mpConsole->scrollUp( mpHost->mScreenHeight );
ke->accept();
return true;
break;
case Qt::Key_PageDown:
mpConsole->scrollDown( mpHost->mScreenHeight );
ke->accept();
return true;
break;
case Qt::Key_C:
if( ke->modifiers() & Qt::ControlModifier )
{
if( mpConsole->console->mSelectedRegion != QRegion( 0, 0, 0, 0 ) )
{
mpConsole->console->copySelectionToClipboard();
ke->accept();
return true;
}
}
break;
default:
if( mpKeyUnit->processDataStream( ke->key(), (int)ke->modifiers() ) )
{
ke->accept();
return true;
}
else
{
QPlainTextEdit::event( event );
adjustHeight();
if( mpHost->mAutoClearCommandLineAfterSend )
mHistoryBuffer = -1;
else
mHistoryBuffer = 0;
if( mTabCompletionOld != toPlainText() )//text() )
{
mUserKeptOnTyping = true;
mAutoCompletionCount = -1;
}
else
{
mUserKeptOnTyping = false;
}
spellCheck();
return false;
}
}
}
return QPlainTextEdit::event( event );
}