/***************************************************************************
                          SIMPLY POWERFUL TOOLKIT (SPTK)
                          cdatecontrol.h - description
                             -------------------
    begin                : Mar 19 2003
    copyright            : (C) 2003 by Alexey Parshin
    email                : alexeyp@gmail.com
 ***************************************************************************/

/***************************************************************************
   This library is free software; you can redistribute it and/or modify it 
   under the terms of the GNU Library General Public License as published by
   the Free Software Foundation; either version 2 of the License, or (at 
   your option) any later version.

   This library is distributed in the hope that it will be useful, but 
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library
   General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; if not, write to the Free Software Foundation, 
   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

   Please report all bugs and problems to "alexeyp@gmail.com"
 ***************************************************************************/

#ifndef __CDATECONTROL_H__
#define __CDATECONTROL_H__

#include <FL/Fl_Group.H>

namespace sptk {

   /// @addtogroup gui GUI Classes
   /// @{

	class CSmallButton;
	class CInput_;

   /// @brief Date input widget.
   ///
   /// A masked date input with a small drop-down button inside.
   /// Clicking on the button displays the calendar window.
	class CDateControl : public Fl_Group {

      /// Drop-down button
		CSmallButton   *m_button;

      /// Input box
		CInput_        *m_input;

	protected:

      /// Internal callback
		static void date_cb(Fl_Widget *w,void *data);
	public:

      /// Constructor in FLTK style 
      /// @param x int, x-position
      /// @param y int, y-position
      /// @param w int, width
      /// @param h int, height
      /// @param label const char *, label
		CDateControl(int x,int y,int w,int h,const char *label=0L);

      /// Returns internal small button pointer
		CSmallButton *button() { return m_button; }

      /// Returns internal input box
		CInput_ *input() { return m_input; }

      /// Resizes the control. 
      /// @param x int, x-position
      /// @param y int, y-position
      /// @param w int, width
      /// @param h int, height
		void resize(int x,int y,int w,int h);

      /// Computes the best size for the control
      /// @param w int&, control width
      /// @param h int&, control height
      /// @param editorWidth int& the width of date input
      /// @param buttonWidth int& the width of button
		void preferredSize(int& w,int& h,int& editorWidth,int& buttonWidth);

      /// Computes the best size for the control
      /// @param h int&, control height
		void preferredHeight(int& h);
	};
   /// @}
}
#endif
