options_dlg.cc

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#include "options_dlg.hh"
#include <FL/Fl.H>

namespace Stg {
  
  OptionsDlg::OptionsDlg( int x, int y, int w, int h ) :
         Fl_Window( x,y, w,h, "Visualize" ),
         changedItem( NULL ),
         showAll( NULL ),
         status( NO_EVENT ),
         hm( w/6 ) 
  {
         set_non_modal(); // keep on top but do not grab all events

         showAllCheck = new Fl_Check_Button( 0,0, w,boxH );
         showAllCheck->callback( checkChanged, this );
         showAllCheck->box( FL_UP_FRAME );

         scroll = new Fl_Scroll( 0,boxH+vm, w,h-boxH-3*vm );
         resizable( scroll );
         scroll->type( Fl_Scroll::VERTICAL );
         scroll->end();
         
         this->end();
  }
  
        OptionsDlg::~OptionsDlg() {
          delete scroll; // deletes members
          delete showAllCheck;
        }
  
  
  void OptionsDlg::checkChanged( Fl_Widget* w, void* p ) {
         Fl_Check_Button* check = static_cast<Fl_Check_Button*>( w );
         OptionsDlg* oDlg = static_cast<OptionsDlg*>( p );
         
         if ( check == oDlg->showAllCheck && oDlg->showAll ) 
                {
                  oDlg->status = CHANGE_ALL;
                  oDlg->showAll->set( check->value() );
                  oDlg->do_callback();
                  oDlg->status = NO_EVENT;
                }
         else 
                {
                  int item = oDlg->scroll->find( check );
                  oDlg->options[ item ]->set( check->value() );
                  oDlg->changedItem = oDlg->options[ item ];
                  oDlg->status = CHANGE;
                  oDlg->do_callback();
                  oDlg->changedItem = NULL;
                  oDlg->status = NO_EVENT;
                }
  }
  
        void OptionsDlg::updateChecks() {
                if (scroll->children())
                        scroll->clear();
                scroll->begin();
                Fl_Check_Button* check;
                for ( unsigned int i=0; i<options.size(); i++ ) {
                        check = new Fl_Check_Button( 0,boxH*(i+1)+vm, scroll->w(), boxH, options[ i ]->name().c_str() );
                        if ( options[ i ]->val() )
                                check->set();
                        check->callback( checkChanged, this );
                }
                scroll->end();
                this->redraw();
        }

        void OptionsDlg::setOptions( const std::set<Option*>& opts ) {
          options.clear();
                options.assign( opts.begin(), opts.end() );
                updateChecks();
        }
        
        
        void OptionsDlg::showAllOpt( Option* opt ) {
                showAll = opt;
                showAllCheck->label( opt->name().c_str() );
                showAllCheck->value( opt->val() );
        }

} // namespace Stg