/*! a dialog form to set the conic type for conics insertion. */
void MyWindow::conicType()
{
#ifdef CGAL_USE_CORE
// We peform downcasting from QWigdet* to Qt_widget_base_tab*,
// as we know that only
// Qt_widget_base_tab objects are stored in the tab pages.
Qt_widget_base_tab *w_demo_p =
dynamic_cast<Qt_widget_base_tab *> (myBar->currentPage());
OptionsForm *form = new OptionsForm();
if ( form->exec() )
{
QString type = form->arrComboBox1->currentText();
if (strcmp(type,"Circle") == 0)
w_demo_p->conic_type = CIRCLE;
else if (strcmp(type,"Segment") == 0)
w_demo_p->conic_type = SEGMENT;
else if (strcmp(type,"Ellipse") == 0)
w_demo_p->conic_type = ELLIPSE;
else if (strcmp(type,"Parabola") == 0)
w_demo_p->conic_type = PARABOLA;
else if (strcmp(type,"Hyperbola") == 0)
w_demo_p->conic_type = HYPERBOLA;
}
#else
CGAL_error_msg("Conics were not compiled");
#endif
}
void
swallow(std::istream &is, const std::string& s ) {
std::string t;
is >> t;
if (s != t) {
std::stringstream msg;
msg << "input error: expected '" << s << "' but got '" << t << "'";
CGAL_error_msg( msg.str().c_str() );
}
}
void
swallow(std::istream &is, char d) {
char c;
do is.get(c); while (isspace(c));
if (c != d) {
std::stringstream msg;
msg << "input error: expected '" << d << "' but got '" << c << "'";
CGAL_error_msg( msg.str().c_str() );
}
}
Geomview_stream&
Geomview_stream::operator<<(const std::string & s)
{
if ((int)s.length() != ::write(out, s.data(), s.length())) {
CGAL_error_msg( "write problem in the pipe while sending data to geomview" );
}
trace(s);
return *this;
}
/*! add a tab widget with conic traits */
void MyWindow::add_conic_tab()
{
#ifdef CGAL_USE_CORE
Qt_widget_demo_tab<Conic_tab_traits> *widget =
new Qt_widget_demo_tab<Conic_tab_traits>
(CONIC_TRAITS , this , tab_number, colors[tab_number%num_of_colors]);
init(widget);
widget->draw();
//widget->set_window(widget->x_pixel(widget->x_min()), widget->x_pixel(widget->x_max()),
// widget->x_pixel(widget->y_min()), widget->x_pixel(widget->y_max()));
#else
CGAL_error_msg("Conics were not compiled");
#endif
}
/*! update widget conic type
* \param action - the new conic type
*/
void MyWindow::updateConicType( QAction *action )
{
#ifdef CGAL_USE_CORE
// We peform downcasting from QWigdet* to Qt_widget_base_tab*,
// as we know that only
// Qt_widget_base_tab objects are stored in the tab pages.
Qt_widget_base_tab *w_demo_p =
static_cast<Qt_widget_base_tab *> (myBar->currentPage());
if ( action == setCircle )
w_demo_p->conic_type = CIRCLE;
else if ( action == setSegment )
w_demo_p->conic_type = SEGMENT;
else if ( action == setEllipse )
w_demo_p->conic_type = ELLIPSE;
else if ( action == setParabola )
w_demo_p->conic_type = PARABOLA;
else if ( action == setHyperbola )
w_demo_p->conic_type = HYPERBOLA;
#else
CGAL_error_msg("Conics were not compiled");
#endif
}
/*! change the buttons stste according to the traits type */
void MyWindow::setConicType( ConicType t )
{
#ifdef CGAL_USE_CORE
switch ( t ) {
case CIRCLE:
setCircle->setOn( TRUE );
break;
case SEGMENT:
setSegment->setOn( TRUE );
break;
case ELLIPSE:
setEllipse->setOn( TRUE );
break;
case PARABOLA:
setParabola->setOn( TRUE );
break;
case HYPERBOLA:
setHyperbola->setOn( TRUE );
break;
}
#else
CGAL_error_msg("Conics were not compiled");
#endif
}
