ulistbox.hpp

/* ==================================================== ======== ======= *
*
*  ulistbox.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 _ulistbox_hpp_
#define _ulistbox_hpp_
//pragma ident  "@(#)ulistbox.hpp       ubit:05.05.00"
#include <ubit/utextbox.hpp>
#include <ubit/uchoice.hpp>
namespace ubit {
  
/* ==================================================== [Elc] ======= */
/* ==================================================== ===== ======= */
class UListbox: public UBox {
public:
  UBIT_ELEMENT_CLASS(UListbox, UBox)

  UListbox(const UArgs& args = UArgs::none);
  
  friend UListbox& ulistbox(const UArgs& args = UArgs::none) {return *new UListbox(args);}
  
  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  bool isTransparent() const {return transp_style;}
  UListbox& setTransparent(bool s = true) {transp_style = s; return *this;}
  
  UChoice& choice() {return *pchoice;}
  const UChoice& choice() const {return *pchoice;}
  
  virtual UBox* getSelectedItem() const;
  
  virtual void setSelectedItem(UBox&);
  
  virtual int getSelectedIndex() const;
  
  virtual void setSelectedIndex(int n);
    
  virtual UListbox& addItem(const UStr& string);
  virtual UListbox& addItem(UStr& string, bool duplicate);
  virtual UListbox& addItems(const UStr& strings, const UStr& separ = ",");
  virtual UListbox& addItems(const UArgs& prefix, const UStr& strings, const UStr& separ = ",");
  virtual UListbox& addItems(const char* items[]);
  virtual UListbox& addItems(const std::vector<UStr*>& items, bool duplicate = true);
  virtual UListbox& addItems(const UArgs& prefix, const char* items[]);
  virtual UListbox& addItems(const UArgs& prefix, const std::vector<UStr*>& items, 
                             bool duplicate = true);
  static UStyle* createStyle();

protected:
  uptr<UChoice> pchoice;
  bool transp_style;
};

/* ==================================================== [Elc] ======= */
/* ==================================================== ===== ======= */
class UCombobox : public UTextfield  {
public:
  UBIT_ELEMENT_CLASS(UCombobox, UTextfield)

  UCombobox(UListbox&, const UArgs& = UArgs::none);
  /* creates a combobox.
  * arguments:
  * - 1st arg: the UListbox that is displayed in the menu
  * - 2nd arg: a standard arglist (callback specs should be added here)
  */
  
  friend UCombobox& ucombobox(UListbox&, const UArgs& a = UArgs::none);
  // shortcut that returns *new UCombobox(listbox, args);
    
  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  virtual bool isEditable() const;
  virtual UCombobox& setEditable(bool state = true);
  
  bool isTextMode() const {return text_only;};
  UCombobox& setTextMode(bool = true);
  
  UListbox& list() {return *plist;}
  class UChoice& choice();
  UGroup& entry() {return *pentry;}
  UEdit&  edit()  {return *pedit;}    // inherited
  UMenu&  menu()  {return *pmenu;}
  
  static UStyle* createStyle();
  
protected:
  virtual void changed(class UEvent&);
  virtual void action(class UEvent&);
  virtual void openMenu(UEvent&);
  virtual void syncText();
  
private:
  uptr<UListbox> plist;
  uptr<UGroup> pentry;
  uptr<class UMenu> pmenu;
  bool text_only;

  friend class UCombobox::Class;  
  UCombobox(const UArgs& = UArgs::none);
  void constructs(const UArgs&);
};

} 
#endif
/* ==================================================== [TheEnd] ======= */
/* ==================================================== [(c)Elc] ======= */

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