bool MouseNavigator::handleMouseDoubleClickEvent( QMouseEvent* mouseEvent )
{
bool eventUsed = false;
if( mouseEvent->button() == Qt::LeftButton )
{
ByteArrayTableCursor* tableCursor = mView->tableCursor();
mDoubleClickLine = tableCursor->line();
const Address index = tableCursor->validIndex();
if( mView->activeCoding() == AbstractByteArrayView::CharCodingId )
{
mView->selectWord( index );
// as we already have a doubleclick maybe it is a tripple click
mTrippleClickTimer->start( qApp->doubleClickInterval() );
mDoubleClickPoint = mouseEvent->globalPos();
}
// else
// mValueEditor->goInsideByte(); TODO: make this possible again
mInLMBDoubleClick = true; //
mLMBPressed = true;
emit mView->doubleClicked( index );
eventUsed = true;
}
return eventUsed ? true : AbstractMouseController::handleMouseDoubleClickEvent( mouseEvent );
}
void Dropper::handleInternalDrag( QDropEvent* dropEvent, AbstractByteArrayView* sourceByteArrayView )
{
// get drag origin
AddressRange selection = sourceByteArrayView->tableRanges()->removeSelection();
ByteArrayTableCursor* tableCursor = mByteArrayView->tableCursor();
AbstractByteArrayModel* byteArrayModel = mByteArrayView->byteArrayModel();
Address insertIndex = tableCursor->realIndex();
// is this a move?
if( dropEvent->proposedAction() == Qt::MoveAction )
{
// ignore the copy hold in the event but only move
Address newCursorIndex;
// need to swap?
if( selection.end() < insertIndex )
{
newCursorIndex = insertIndex;
const Address firstIndex = selection.start();
selection.set( selection.nextBehindEnd(), insertIndex-1 );
insertIndex = firstIndex;
}
else
newCursorIndex = insertIndex + selection.width();
const bool success = byteArrayModel->swap( insertIndex, selection );
if( success )
{
tableCursor->gotoCIndex( newCursorIndex );
emit mByteArrayView->cursorPositionChanged( tableCursor->realIndex() );
}
}
// is a copy
else
{
// TODO: should this be a method of AbstractByteArrayModel, to reuse piece data?
// get data
const QByteArray data =
dropEvent->mimeData()->data( QLatin1String(DropperOctetStreamFormatName) );
if( !data.isEmpty() )
{
if( mByteArrayView->isOverwriteMode() )
{
const Size length = mByteArrayView->layout()->length();
if( !tableCursor->isBehind() && length > 0 )
{
AddressRange overwriteRange = AddressRange::fromWidth( insertIndex, data.size() );
overwriteRange.restrictEndTo( length-1 );
if( overwriteRange.isValid() )
byteArrayModel->replace( overwriteRange, reinterpret_cast<const Byte*>(data.constData()), overwriteRange.width() );
}
}
else
byteArrayModel->insert( insertIndex, reinterpret_cast<const Byte*>(data.constData()), data.size() );
}
}
}
bool Dropper::handleDragLeaveEvent( QDragLeaveEvent* dragLeaveEvent )
{
Q_UNUSED( dragLeaveEvent )
const bool eventUsed = true;
// bye... and thanks for all the cursor movement...
mIsActive = false;
if( mCursorIsMovedByDrag )
{
mByteArrayView->pauseCursor();
// TODO: get back to value edit mode if we were in
ByteArrayTableCursor* tableCursor = mByteArrayView->tableCursor();
tableCursor->gotoIndex( mBeforeDragCursorPos );
if( mBeforeDragCursorIsBehind )
tableCursor->stepBehind();
mByteArrayView->unpauseCursor();
}
return eventUsed;
}
void KNavigator::moveCursor( KMoveAction action, bool select )
{
mView->pauseCursor();
mView->finishByteEdit();
ByteArrayTableCursor* tableCursor = mView->tableCursor();
ByteArrayTableRanges* tableRanges = mView->tableRanges();
if( select )
{
if( !tableRanges->selectionStarted() )
tableRanges->setSelectionStart( tableCursor->realIndex() );
}
else
tableRanges->removeSelection();
switch( action )
{
case MoveBackward: tableCursor->gotoPreviousByte(); break;
case MoveWordBackward: {
const Okteta::WordByteArrayService WBS( mView->byteArrayModel(), mView->charCodec() );
const int newIndex = WBS.indexOfPreviousWordStart( tableCursor->realIndex() );
tableCursor->gotoIndex( newIndex );
}
break;
case MoveForward: tableCursor->gotoNextByte(); break;
case MoveWordForward: {
const Okteta::WordByteArrayService WBS( mView->byteArrayModel(), mView->charCodec() );
const int newIndex = WBS.indexOfNextWordStart( tableCursor->realIndex() );
tableCursor->gotoCIndex( newIndex );
}
break;
case MoveUp: tableCursor->gotoUp(); break;
case MovePgUp: tableCursor->gotoPageUp(); break;
case MoveDown: tableCursor->gotoDown(); break;
case MovePgDown: tableCursor->gotoPageDown(); break;
case MoveLineStart: tableCursor->gotoLineStart(); break;
case MoveHome: tableCursor->gotoStart(); break;
case MoveLineEnd: tableCursor->gotoLineEnd(); break;
case MoveEnd: tableCursor->gotoEnd(); break;
}
if( select )
tableRanges->setSelectionEnd( tableCursor->realIndex() );
if( tableRanges->isModified() )
mView->emitSelectionSignals(); // TODO: can this be moved somewhere
emit mView->cursorPositionChanged( tableCursor->realIndex() );
mView->updateChanged();
mView->ensureCursorVisible();
mView->unpauseCursor();
}
bool MouseNavigator::handleMousePressEvent( QMouseEvent* mouseEvent )
{
bool eventUsed = false;
if( mouseEvent->button() == Qt::LeftButton )
{
ByteArrayTableCursor* tableCursor = mView->tableCursor();
ByteArrayTableRanges* tableRanges = mView->tableRanges();
ByteArrayTableLayout* tableLayout = mView->layout();
const bool oldHasSelection = tableRanges->hasSelection();
mView->pauseCursor();
mView->finishByteEdit();
mLMBPressed = true;
// select whole line?
if( mTrippleClickTimer->isActive()
&& (mouseEvent->globalPos()-mDoubleClickPoint).manhattanLength() < QApplication::startDragDistance() )
{
mTrippleClickTimer->stop();
const Address indexAtFirstDoubleClickLinePosition = tableLayout->indexAtFirstLinePosition( mDoubleClickLine );
tableRanges->setSelectionStart( indexAtFirstDoubleClickLinePosition );
tableCursor->gotoIndex( indexAtFirstDoubleClickLinePosition );
tableCursor->gotoLineEnd();
tableRanges->setSelectionEnd( mView->cursorPosition() );
mView->updateChanged();
mView->unpauseCursor();
const bool newHasSelection = tableRanges->hasSelection();
emit mView->cursorPositionChanged( mView->cursorPosition() );
emit mView->selectionChanged( tableRanges->selection() );
if( oldHasSelection != newHasSelection )
{
if( ! mView->isOverwriteMode() ) emit mView->cutAvailable( newHasSelection );
emit mView->copyAvailable( newHasSelection );
emit mView->hasSelectedDataChanged( newHasSelection );
}
}
else
{
// TODO: pos() is now, not at the moment of the event, use globalPos() for that,.says dox
const QPoint mousePoint = mView->viewportToColumns( mouseEvent->pos() );
// start of a drag perhaps?
if( tableRanges->hasSelection() && tableRanges->selectionIncludes(mView->indexByPoint( mousePoint )) )
{
mDragStartPossible = true;
mDragStartTimer->start( QApplication::startDragTime() );
mDragStartPoint = mousePoint;
}
else
{
mView->placeCursor( mousePoint );
mView->ensureCursorVisible();
const Address realIndex = tableCursor->realIndex();
if( tableRanges->selectionStarted() )
{
if( mouseEvent->modifiers() & Qt::SHIFT )
tableRanges->setSelectionEnd( realIndex );
else
{
tableRanges->removeSelection();
tableRanges->setSelectionStart( realIndex );
}
}
else // start of a new selection possible
{
tableRanges->setSelectionStart( realIndex );
if( !mView->isReadOnly() && (mouseEvent->modifiers()&Qt::SHIFT) ) // TODO: why only for readwrite?
tableRanges->setSelectionEnd( realIndex );
}
tableRanges->removeFurtherSelections();
}
if( tableRanges->isModified() )
{
mView->updateChanged();
mView->viewport()->setCursor( mView->isReadOnly() ? Qt::ArrowCursor : Qt::IBeamCursor );
}
mView->unpauseCursor();
const bool newHasSelection = tableRanges->hasSelection();
emit mView->selectionChanged( tableRanges->selection() );
if( oldHasSelection != newHasSelection )
{
if( ! mView->isOverwriteMode() ) emit mView->cutAvailable( newHasSelection );
emit mView->copyAvailable( newHasSelection );
emit mView->hasSelectedDataChanged( newHasSelection );
}
}
eventUsed = true;
}
return eventUsed ? true : AbstractMouseController::handleMousePressEvent( mouseEvent );
}
void MouseNavigator::handleMouseMove( const QPoint& point ) // handles the move of the mouse with pressed buttons
{
ByteArrayTableCursor* tableCursor = mView->tableCursor();
ByteArrayTableRanges* tableRanges = mView->tableRanges();
const bool oldHasSelection = tableRanges->hasSelection();
const int yOffset = mView->yOffset();
const int behindLastYOffset = yOffset + mView->visibleHeight();
// scrolltimer but inside of viewport?
if( mScrollTimer->isActive() )
{
if( yOffset <= point.y() && point.y() < behindLastYOffset )
mScrollTimer->stop();
}
// no scrolltimer and outside of viewport?
else
{
if( point.y() < yOffset || behindLastYOffset <= point.y() )
mScrollTimer->start( DefaultScrollTimerPeriod );
}
mView->pauseCursor();
mView->placeCursor( point );
mView->ensureCursorVisible();
// do wordwise selection?
if( mInLMBDoubleClick && tableRanges->hasFirstWordSelection() )
{
Address newIndex = tableCursor->realIndex();
const AddressRange firstWordSelection = tableRanges->firstWordSelection();
const WordByteArrayService WBS( mView->byteArrayModel(), mView->charCodec() );
// are we before the selection?
if( firstWordSelection.startsBehind(newIndex) )
{
tableRanges->ensureWordSelectionForward( false );
newIndex = WBS.indexOfLeftWordSelect( newIndex );
}
// or behind?
else if( firstWordSelection.endsBefore(newIndex) )
{
tableRanges->ensureWordSelectionForward( true );
newIndex = WBS.indexOfRightWordSelect( newIndex );
}
// or inside?
else
{
tableRanges->ensureWordSelectionForward( true );
newIndex = firstWordSelection.nextBehindEnd();
}
tableCursor->gotoIndex( newIndex );
}
if( tableRanges->selectionStarted() )
tableRanges->setSelectionEnd( mView->cursorPosition() );
mView->updateChanged();
mView->unpauseCursor();
const bool newHasSelection = tableRanges->hasSelection();
emit mView->cursorPositionChanged( mView->cursorPosition() );
emit mView->selectionChanged( tableRanges->selection() );
if( oldHasSelection != newHasSelection )
{
if( ! mView->isOverwriteMode() ) emit mView->cutAvailable( newHasSelection );
emit mView->copyAvailable( newHasSelection );
emit mView->hasSelectedDataChanged( newHasSelection );
}
}
