Emulation::Emulation(TEWidget* gui)
{
this->gui = gui;
this->scr = new TEScreen(gui->Lines(),gui->Columns());
bulk_nlcnt = 0; // reset bulk newline counter
bulk_incnt = 0; // reset bulk counter
connected = FALSE;
QObject::connect(&bulk_timer, SIGNAL(timeout()), this, SLOT(showBulk()) );
QObject::connect(gui,SIGNAL(changedImageSizeSignal(int,int)),
this,SLOT(onImageSizeChange(int,int)));
QObject::connect(gui,SIGNAL(changedHistoryCursor(int)),
this,SLOT(onHistoryCursorChange(int)));
QObject::connect(gui,SIGNAL(keyPressedSignal(QKeyEvent*)),
this,SLOT(onKeyPress(QKeyEvent*)));
QObject::connect(gui,SIGNAL(beginSelectionSignal(const int,const int)),
this,SLOT(onSelectionBegin(const int,const int)) );
QObject::connect(gui,SIGNAL(extendSelectionSignal(const int,const int)),
this,SLOT(onSelectionExtend(const int,const int)) );
QObject::connect(gui,SIGNAL(endSelectionSignal(const BOOL)),
this,SLOT(setSelection(const BOOL)) );
QObject::connect(gui,SIGNAL(clearSelectionSignal()),
this,SLOT(clearSelection()) );
}
void TEWidget::onClearSelection()
{
if ( weSetSelection ) {
weSetSelection = FALSE;
return;
}
emit clearSelectionSignal();
}
void TEWidget::mouseDoubleClickEvent(QMouseEvent* ev)
{
if ( ev->button() != Qt::LeftButton) return;
QPoint tL = contentsRect().topLeft();
int tLx = tL.x();
int tLy = tL.y();
QPoint pos = QPoint((ev->x()-tLx-blX)/font_w,(ev->y()-tLy-bY)/font_h);
// pass on double click as two clicks.
if (!mouse_marks && !(ev->modifiers() & Qt::ShiftModifier))
{
emit mouseSignal( 0, pos.x()+1, pos.y()+1 ); // left button
emit mouseSignal( 3, pos.x()+1, pos.y()+1 ); // release
emit mouseSignal( 0, pos.x()+1, pos.y()+1 ); // left button
return;
}
emit clearSelectionSignal();
QPoint bgnSel = pos;
QPoint endSel = QPoint((ev->x()-tLx-blX)/font_w,(ev->y()-tLy-bY)/font_h);
int i = loc(bgnSel.x(),bgnSel.y());
iPntSel = bgnSel;
word_selection_mode = TRUE;
// find word boundaries...
int selClass = charClass(image[i].c);
{
// set the start...
int x = bgnSel.x();
while ( x > 0 && charClass(image[i-1].c) == selClass )
{ i--; x--; }
bgnSel.setX(x);
emit beginSelectionSignal( bgnSel.x(), bgnSel.y() );
// set the end...
i = loc( endSel.x(), endSel.y() );
x = endSel.x();
while( x < columns-1 && charClass(image[i+1].c) == selClass )
{ i++; x++ ; }
endSel.setX(x);
actSel = 2; // within selection
emit extendSelectionSignal( endSel.x(), endSel.y() );
emit endSelectionSignal(preserve_line_breaks);
preserve_line_breaks = TRUE;
}
}
void TEWidget::emitSelection()
// Paste Clipboard by simulating keypress events
{
#ifndef QT_NO_CLIPBOARD
QString text = QApplication::clipboard()->text();
if ( ! text.isNull() )
{
text.replace(QRegExp("\n"), "\r");
//QKeyEvent e(QEvent::KeyPress, 0, -1, 0, text);
QKeyEvent e(QEvent::KeyPress, 0, Qt::NoModifier, text);
emit keyPressedSignal(&e); // expose as a big fat keypress event
emit clearSelectionSignal();
}
#endif
}
void TEWidget::mousePressEvent(QMouseEvent* ev)
{
//printf("press [%d,%d] %d\n",ev->x()/font_w,ev->y()/font_h,ev->button());
if ( !contentsRect().contains(ev->pos()) ) return;
QPoint tL = contentsRect().topLeft();
int tLx = tL.x();
int tLy = tL.y();
word_selection_mode = FALSE;
//printf("press top left [%d,%d] by=%d\n",tLx,tLy, bY);
if ( ev->button() == LeftButton)
{
QPoint pos = QPoint((ev->x()-tLx-blX)/font_w,(ev->y()-tLy-bY)/font_h);
//if ( ev->state() & ControlButton ) preserve_line_breaks = FALSE ;
if ( ev->modifiers() & Qt::ControlModifier ) preserve_line_breaks = FALSE ;
if (mouse_marks || (ev->modifiers() & Qt::ShiftModifier))
{
emit clearSelectionSignal();
iPntSel = pntSel = pos;
actSel = 1; // left mouse button pressed but nothing selected yet.
grabMouse( /*crossCursor*/ ); // handle with care!
}
else
{
emit mouseSignal( 0, pos.x() + 1, pos.y() + 1 ); // left button
}
}
if ( ev->button() == MidButton )
{
emitSelection();
}
if ( ev->button() == RightButton ) // Configure
{
emit configureRequest( this, ev->modifiers()&(Qt::ShiftModifier|Qt::ControlModifier), ev->x(), ev->y() );
}
}
