uscrollpane.hpp

/* ==================================================== ======== ======= *
*
*  uscrollpane.hpp
*  Ubit Project
*  Part of the Ubit Toolkit: A Brick Construction Game Model for Creating GUIs
*  (C) 1999-2006 Eric Lecolinet / ENST Paris / http://www.enst.fr/~elc/ubit
*
* ***********************************************************************
* COPYRIGHT NOTICE :
* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY AND WITHOUT EVEN THE
* IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
* YOU CAN REDISTRIBUTE IT AND/OR MODIFY IT UNDER THE TERMS OF THE GNU
* GENERAL PUBLIC LICENSE AS PUBLISHED BY THE FREE SOFTWARE FOUNDATION;
* EITHER VERSION 2 OF THE LICENSE, OR (AT YOUR OPTION) ANY LATER VERSION.
* SEE FILES 'COPYRIGHT' AND 'COPYING' FOR MORE DETAILS.
* ***********************************************************************
* ==================================================== [(c)Elc] ======= *
* ==================================================== ======== ======= */

#ifndef _uscrollpane_hpp_
#define _uscrollpane_hpp_
//pragma ident "@(#)uscrollpane.hpp             ubit:05.05.00"
#include <ubit/uborder.hpp>
#include <ubit/uview.hpp>
namespace ubit {

class UScrollpane: public UBox {
public:
  UBIT_ELEMENT_CLASS(UScrollpane, UBox)

  UScrollpane(const UArgs& = UArgs::none);

  UScrollpane(int vert_scrollbar, int horiz_scrollbar, const UArgs& = UArgs::none);
  friend UScrollpane& uscrollpane(const UArgs& args = UArgs::none);

  friend UScrollpane& uscrollpane(int vert_scrollbar, int horiz_scrollbar,
                                  const UArgs& args = UArgs::none);
  
  virtual ~UScrollpane();
  
  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  virtual void setXScroll(float xscroll);
  virtual void setYScroll(float yscroll);
  virtual void setScroll(float xscroll, float yscroll);
  virtual void scroll(float _xscroll, float _yscroll) {setScroll(_xscroll, _yscroll);}
  virtual void makeVisible(UBox& child);
  float getXScroll() const {return xscroll;}
  float getYScroll() const {return yscroll;}
  
  UScrollbar* getHScrollbar() {return hscrollbar;}
  UScrollbar* getVScrollbar() {return vscrollbar;}
  
  UBox* getScrolledBox();
  
  UView* getScrolledView(UView* pane_view);
  virtual void setTracking(bool);
  
  // - - - Impl.  - - - - - - - - - - - - - - - - - - - - - - - - - - -    
  
  static  UStyle* createStyle();

#ifndef NO_DOC
  virtual void setScrollImpl(float xscroll, float yscroll);
  virtual void setScrollImpl(float xscroll, float yscroll,
                             bool upd_x, bool upd_y, bool update_pane);
protected:
  friend class UScrollbar;
  UScrollbar *hscrollbar, *vscrollbar;
  float xscroll, yscroll;

  virtual void constructs(int vs_mode, int hs_mode, const UArgs&);
  virtual void unsetHScrollbar();
  virtual void unsetVScrollbar();
  virtual void resizeCB(UEvent&);
  virtual void wheelCB(UWheelEvent&);
#endif
};

/* ==================================================== [(c)Elc] ======= */
/* ==================================================== ======== ======= */
class UPaneView: public UView {
public:
  static  UViewStyle style;  // renderer
  virtual UViewStyle* getViewStyle() {return &style;}

  UPaneView(UChild*, UView* parview, UHardWinImpl*);
  virtual ~UPaneView() {}

  static UView* createView(UChild*, UView* parview, UHardWinImpl*);
  virtual UPaneView* paneCast() {return this;}

  int getXScroll() {return xscroll;}
  int getYScroll() {return yscroll;}

  virtual void setXScroll(int scr) {xscroll = scr;}
  virtual void setYScroll(int scr) {yscroll = scr;}

  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  // implementation
#ifndef NO_DOC
  friend class UScrollpane;
  UMargins margins;
  int xscroll, yscroll;
#endif
};
}
#endif
/* ==================================================== [TheEnd] ======= */
/* ==================================================== [(c)Elc] ======= */

---