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#ifndef SHOWSONG_H_
#define SHOWSONG_H_

#include <gtkmm.h>
#include <iostream>
#include <fstream>
#include "fenster.h"

class song_ind : public Gtk::VBox
{
public:
   song_ind();
   virtual ~song_ind(){delete mylabel;delete myprogress;};
   bool configure(void);// description in the source file
private:
      Gtk::Label *mylabel;
      Gtk::ProgressBar *myprogress;
      void set_song_pos(GdkEventButton* event);//description in the source file
};

extern class app* myappptr;// app is a class containing references to every
                           // necessary widget in my program, so the pointer is
                           // used to connect the parts with another
extern std::ofstream file1;// test logging file

#endif /* SHOWSONG_H_ */

#include "showsong.h"
// constructor
song_ind::song_ind()
{
       mylabel = new Gtk::Label;
       myprogress = new Gtk::ProgressBar;
       // place childs
       this->pack_start(*mylabel,true,true,5);
       this->pack_end(*myprogress,true,true,5);
       // progressbar
       myprogress->set_show_text(true);
       // the following signal seems to not get emitted!
       this->myprogress->signal_button_release_event().connect_notify
                       (sigc::mem_fun(*this,&song_ind::set_song_pos));
       // vbox
       this->set_size_request(300,50);
       this->show_all();
}
/*
* this will get the data from mpd and let the label & progressbar show it,
* it is called once every 1000 msec per timeout
* ->this works fine :)
*/
bool song_ind::configure(void)
{
   double fraction,elapsed,whole;
   elapsed = (double)myappptr->mympd->get_song_pos();
   whole = (double)myappptr->mympd->get_song_length();
   fraction = elapsed / whole ;
   myprogress->set_fraction(fraction);
   myprogress->set_text(sectomin(inttostr((unsigned int)elapsed)));
    this->mylabel->set_label(myappptr->mympd->get_song_name());
    return true;
}
/*
* this eventhandler shall react to the users click on the progressbar
* -> this is the problem, it does not get called
* purpose: on click it sets the new song position
*/
void song_ind::set_song_pos(GdkEventButton* event)
{
     file1<<"click auf progress"<<std::endl;
     if( (event->type == GDK_BUTTON_RELEASE) &&
        (event->button == 1) )// rechte maus
        {
         double fraction,whole;
         unsigned int elapsed;
         whole = (double)myappptr->mympd->get_song_length();
         fraction = (double)event->x / (double)this->myprogress->get_width();
         elapsed = (int)(whole*fraction);
            myappptr->mympd->set_song_pos(elapsed);
        }
}

void Gtk::Widget::set_events    (    Gdk::EventMask     events   );

or

void Gtk::Widget::add_events    (    Gdk::EventMask     events   );

...
   myprogress->add_events(Gdk::BUTTON_RELEASE_MASK);
...