listbox.cpp

#include <fastgl/fastgl.h>
#include <fastgl/listbox.h>

fgl::FGListBox *a;

void proc(fgl::FGEvent *p)
{
    int rc;
    switch(p->GetType())
    {
        case fgl::KEYEVENT:
            // next line is equivalent of rest of this case
//          a->DoListBox(p->GetKey());

            switch(p->GetKey())
            {
            case KUP:
                a->Up();
                break;
            case KDOWN:
                a->Down();
                break;
            case HOME:
                a->Begin();
                break;
            case END:
                a->End();
                break;
            }
            break;
        case fgl::CLICKLEFTEVENT:
            rc = a->Test(p->GetX(), p->GetY());
            if (rc>=0) a->SetIndex(rc);
            p->wnd->SetColors(); // set apropriate colors
            p->wnd->printf(8,8,"You clicked to item at index %d", rc);
            break;
        case fgl::TERMINATEEVENT:
            // quit app
            fgl::FGApp::AppDone();
            break;
    }
}

static void reload(fgl::FGListBox * a)
{
    // at the start is FGListBox empty, but else
    // you must first of all reset object to a zero state
    a->clear();
    // insert a ten string items
    // for a delete an items from the list see to 'listbox.h' file
    a->insert("item 1");
    a->insert("item 2");
    a->insert("item 3");
    a->insert("item 4");
    a->insert("item 5");
    a->insert("item 6");
    a->insert("item 7");
    a->insert("item 8");
    a->insert("item 9");
    a->insert("item 10");
    // enable update & redraw object
    a->Update();
}

int main(int argc, char **argv )
{
    fgl::FGApp MyApp(3,argc,argv,fgl::CGRAY1,fgl::APP_ENABLEALTX);
    // create a Window object
    fgl::FGWindow *w = new fgl::FGWindow(&w,100,1000,300,250, "Okno",proc,0,fgl::CWHITE,fgl::WCLICKABLE|fgl::WTITLED|fgl::WFRAMED|fgl::WCENTRED);

    // create an emty FGListBox object
    a=new fgl::FGListBox(40,40,200,18,5,w);

    // load object wiht some items
    reload(a);

    // run program
    MyApp.Run(0);
    return 0;
}

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