kc/src/libcmpp/fltk/Fl_File_Btn.cpp

//| Copyright: (C) 2019-2020 Kevin Larke <contact AT larke DOT org> 
//| License: GNU GPL version 3.0 or above. See the accompanying LICENSE file.
#include <Fl/Fl.H>
#include <Fl/Fl_Button.H>
#include <Fl/Fl_File_Chooser.H>
#include <Fl/Fl_Output.H>
#include <Fl/Fl_Group.H>
#include "Fl_File_Btn.h"

Fl_File_Btn::Fl_File_Btn( int xx, int yy, int ww, int hh, const char* l )
  : Fl_Group(xx,yy,ww,hh,l),
    _patStr(NULL),_typeId(kFile_Type_Id),_btn(NULL),_out(NULL)
{
  _init();
  end();
}

Fl_File_Btn::Fl_File_Btn( unsigned typeId, const char* patStr, int xx, int yy, int ww, int hh, const char* l )
  : Fl_Group(xx,yy,ww,hh,l),
    _patStr(NULL),_typeId(typeId),_btn(NULL),_out(NULL)
{
  _init();
  type(typeId);
  pattern_string(patStr);
  end();
}

Fl_File_Btn::~Fl_File_Btn()
{ delete[] _patStr; }

unsigned    Fl_File_Btn::type()
{ return _typeId; }

void        Fl_File_Btn::type( unsigned typeId )
{
  switch(typeId)
  {
    case kFile_Type_Id:
      _btn->label("File");
      _typeId = typeId;
      break;

    case kDir_Type_Id:
      _btn->label("Dir");
      _typeId = typeId;
      break;
  }

  
}

const char* Fl_File_Btn::pattern_string()
{ return _patStr;  }

void        Fl_File_Btn::pattern_string( const char* pat)
{
  delete[] _patStr;
  if( pat != NULL )
  {
    _patStr = new char[ strlen(pat) + 1];
    strcpy(_patStr,pat);
  }
}

void        Fl_File_Btn::btn_width( int ww )
{ 
  _btn->resize(_btn->x(),_btn->y(),ww,_btn->h());
  _out->resize(_btn->x() + _btn->w() + 2, _out->y(), w() - _btn->w() - 2, _out->h());
}

int         Fl_File_Btn::btn_width()
{ return _btn->w(); }

void        Fl_File_Btn::filename( const char* fn )
{ _out->value(fn); _out->redraw(); }

const char* Fl_File_Btn::filename() const
{ return _out->value(); }


void Fl_File_Btn::_s_btn_cb(Fl_Widget* w, void* data)
{ ((Fl_File_Btn*)data)->_btn_cb(); }

void Fl_File_Btn::_btn_cb()
{
  char* fn;
  if( _typeId == kFile_Type_Id )
    fn = fl_file_chooser("Select a file",_patStr,_out->value(),0);
  else
    fn = fl_dir_chooser("Select a directory",_out->value(),0);

  if( fn != NULL )
  {
    _out->value(fn);
    do_callback(this,user_data());
  }

}

void Fl_File_Btn::_init()
{
  _btn = new Fl_Button(x(),y(),40,h(),_typeId==kFile_Type_Id ? "File" : "Dir");
  _btn->callback(_s_btn_cb,this);

  _out = new Fl_Output(x() + _btn->w() + 2, y(), w() - _btn->w(), h());

}