#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Choice.H>
#include <FL/Fl_Input.H>
#include <FL/Fl_File_Chooser.H>

// GLOBALS
Fl_Input        *G_inptitle   = NULL;
Fl_Input        *G_inpfilter  = NULL;
Fl_Input        *G_inpdirname = NULL;
Fl_Choice       *G_chotype    = NULL;
Fl_File_Chooser *G_chooser    = NULL;

int GetType() {
    switch (G_chotype->value()) {
        case 0: return(-1);
        case 1: return(Fl_File_Chooser::SINGLE);
        case 2: return(Fl_File_Chooser::MULTI);
        case 3: return(Fl_File_Chooser::CREATE);
        case 4: return(Fl_File_Chooser::DIRECTORY);
        case 5: return(Fl_File_Chooser::DIRECTORY|Fl_File_Chooser::MULTI);
        default: return(-1);
    }
}

void Exit_CB(Fl_Widget*w, void*data) {
    exit(0);
}

void Butt_CB(Fl_Widget*w, void*data) {
    const char *title     = G_inptitle->value();
    const char *filter    = G_inpfilter->value();
    const char *directory = G_inpdirname->value();
    int         type      = GetType();

    if ( ! G_chooser ) {
        G_chooser = new Fl_File_Chooser("", "", Fl_File_Chooser::SINGLE, "");
    }

    G_chooser->directory(directory[0]?directory:NULL);
    G_chooser->filter(filter[0]?filter:NULL);
    G_chooser->type(type>=0?type:Fl_File_Chooser::SINGLE);
    G_chooser->label(title[0]?title:NULL);
    G_chooser->show();

    // Block until user picks something.
    //     (The other way to do this is to use a callback())
    //
    while(G_chooser->shown()) {
        Fl::wait();
    }

    // Print the results
    if ( G_chooser->value() == NULL ) {
        fprintf(stderr, "(User hit 'Cancel')\n");
        return;
    }

    fprintf(stderr, "DIRECTORY: '%s'\n", G_chooser->directory());
    fprintf(stderr, "    VALUE: '%s'\n", G_chooser->value());
    fprintf(stderr, "    COUNT: %d files selected\n", G_chooser->count());
    if ( G_chooser->count() > 1 ) {
        for ( int t=1; t<=G_chooser->count(); t++ ) {
            fprintf(stderr, " VALUE[%d]: '%s'\n", t, G_chooser->value(t));
        }
    }
    fprintf(stderr, "--------------------\n");
}

int main() {
     Fl_Window *win = new Fl_Window(300, 180, "Test Fl_File_Chooser");

     int y = 10;
     G_inptitle = new Fl_Input(80,y,200,25,"Title");
     G_inptitle->value("");
     y += 30;

     G_inpfilter = new Fl_Input(80,y,200,25,"Filter");
     G_inpfilter->value("");
     y += 30;

     G_inpdirname = new Fl_Input(80,y,200,25,"Filename");
     G_inpdirname->value("");
     y += 30;

     G_chotype = new Fl_Choice(80,y,130,25,"Type");
     G_chotype->add("default");
     G_chotype->add("Single");
     G_chotype->add("Multi");
     G_chotype->add("Create");
     G_chotype->add("Directory");
     G_chotype->add("Multi-Directory");
     G_chotype->value(0);
     y += 30;

     Fl_Button *ebut = new Fl_Button(80,win->h()-25-20,80,25,"Exit");
     ebut->callback(Exit_CB);

     Fl_Button *cbut = new Fl_Button(win->w()-80-20,win->h()-25-20,80,25,"Chooser..");
     cbut->callback(Butt_CB);

     win->show();
     return(Fl::run());
}