cursesm.h

ncurses 库 可能有用酒用 没用就算了 我觉得还可以用

    assert(sub!=NULL);
    return *sub;
  }

  // Set the menus subwindow
  void setSubWindow(NCursesWindow& sub);

  // Set these items for the menu
  inline void setItems(NCursesMenuItem* Items[]) {
    OnError(::set_menu_items(menu,mapItems(Items)));
  }

  // Remove the menu from the screen
  inline void unpost (void) {
    OnError (::unpost_menu (menu));
  }

  // Post the menu to the screen if flag is true, unpost it otherwise
  inline void post(bool flag = TRUE) {
    flag ? OnError (::post_menu(menu)) : OnError (::unpost_menu (menu));
  }

  // Get the numer of rows and columns for this menu
  inline void scale (int& mrows, int& mcols) const  {
    OnError (::scale_menu (menu, &mrows, &mcols));
  }

  // Set the format of this menu
  inline void set_format(int mrows, int mcols) {
    OnError (::set_menu_format(menu, mrows, mcols));
  }

  // Get the format of this menu
  inline void menu_format(int& rows,int& ncols) {
    ::menu_format(menu,&rows,&ncols);
  }

  // Items of the menu
  inline NCursesMenuItem* items() const {
    return *my_items;
  }

  // Get the number of items in this menu
  inline int count() const {
    return ::item_count(menu);
  }

  // Get the current item (i.e. the one the cursor is located)
  inline NCursesMenuItem* current_item() const {
    return my_items[::item_index(::current_item(menu))];
  }

  // Get the marker string
  inline const char* mark() const {
    return ::menu_mark(menu);
  }

  // Set the marker string
  inline void set_mark(const char *marker) {
    OnError (::set_menu_mark (menu, marker));
  }

  // Get the name of the request code c
  inline static const char* request_name(int c) {
    return ::menu_request_name(c);
  }

  // Get the current pattern
  inline char* pattern() const {
    return ::menu_pattern(menu);
  }

  // true if there is a pattern match, false otherwise.
  bool set_pattern (const char *pat);

  // set the default attributes for the menu
  // i.e. set fore, back and grey attribute
  virtual void setDefaultAttributes();

  // Get the menus background attributes
  inline chtype back() const {
    return ::menu_back(menu);
  }

  // Get the menus foreground attributes
  inline chtype fore() const {
    return ::menu_fore(menu);
  }

  // Get the menus grey attributes (used for unselectable items)
  inline chtype grey() const {
    return ::menu_grey(menu);
  }

  // Set the menus background attributes
  inline chtype set_background(chtype a) {
    return ::set_menu_back(menu,a);
  }

  // Set the menus foreground attributes
  inline chtype set_foreground(chtype a) {
    return ::set_menu_fore(menu,a);
  }

  // Set the menus grey attributes (used for unselectable items)
  inline chtype set_grey(chtype a) {
    return ::set_menu_grey(menu,a);
  }

  inline void options_on (Menu_Options opts) {
    OnError (::menu_opts_on (menu,opts));
  }

  inline void options_off(Menu_Options opts) {
    OnError (::menu_opts_off(menu,opts));
  }

  inline Menu_Options options() const {
    return ::menu_opts(menu);
  }

  inline void set_options (Menu_Options opts) {
    OnError (::set_menu_opts (menu,opts));
  }

  inline int pad() const {
    return ::menu_pad(menu);
  }

  inline void set_pad (int padch) {
    OnError (::set_menu_pad (menu, padch));
  }

  // Position the cursor to the current item
  inline void position_cursor () const {
    OnError (::pos_menu_cursor (menu));
  }

  // Set the current item
  inline void set_current(NCursesMenuItem& I) {
    OnError (::set_current_item(menu, I.item));
  }

  // Get the current top row of the menu
  inline int top_row (void) const {
    return ::top_row (menu);
  }

  // Set the current top row of the menu
  inline void set_top_row (int row) {
    OnError (::set_top_row (menu, row));
  }

  // spacing control
  // Set the spacing for the menu
  inline void setSpacing(int spc_description,
			 int spc_rows,
			 int spc_columns) {
    OnError(::set_menu_spacing(menu,
			       spc_description,
			       spc_rows,
			       spc_columns));
  }

  // Get the spacing info for the menu
  inline void Spacing(int& spc_description,
		      int& spc_rows,
		      int& spc_columns) const {
    OnError(::menu_spacing(menu,
			   &spc_description,
			   &spc_rows,
			   &spc_columns));
  }

  // Decorations
  inline void frame(const char *title=NULL, const char* btitle=NULL) {
    if (b_framed)
      NCursesPanel::frame(title,btitle);
    else
      OnError(E_SYSTEM_ERROR);
  }

  inline void boldframe(const char *title=NULL, const char* btitle=NULL) {
    if (b_framed)
      NCursesPanel::boldframe(title,btitle);
    else
      OnError(E_SYSTEM_ERROR);
  }

  inline void label(const char *topLabel, const char *bottomLabel) {
    if (b_framed)
      NCursesPanel::label(topLabel,bottomLabel);
    else
      OnError(E_SYSTEM_ERROR);
  }

  // -----
  // Hooks
  // -----

  // Called after the menu gets repositioned in its window.
  // This is especially true if the menu is posted.
  virtual void On_Menu_Init();

  // Called before the menu gets repositioned in its window.
  // This is especially true if the menu is unposted.
  virtual void On_Menu_Termination();

  // Called after the item became the current item
  virtual void On_Item_Init(NCursesMenuItem& item);

  // Called before this item is left as current item.
  virtual void On_Item_Termination(NCursesMenuItem& item);

  // Provide a default key virtualization. Translate the keyboard
  // code c into a menu request code.
  // The default implementation provides a hopefully straightforward
  // mapping for the most common keystrokes and menu requests.
  virtual int virtualize(int c);


  // Operators
  inline NCursesMenuItem* operator[](int i) const {
    if ( (i < 0) || (i >= ::item_count (menu)) )
      OnError (E_BAD_ARGUMENT);
    return (my_items[i]);
  }

  // Perform the menu's operation
  // Return the item where you left the selection mark for a single
  // selection menu, or NULL for a multivalued menu.
  virtual NCursesMenuItem* operator()(void);

  // --------------------
  // Exception handlers
  // Called by operator()
  // --------------------

  // Called if the request is denied
  virtual void On_Request_Denied(int c) const;

  // Called if the item is not selectable
  virtual void On_Not_Selectable(int c) const;

  // Called if pattern doesn't match
  virtual void On_No_Match(int c) const;

  // Called if the command is unknown
  virtual void On_Unknown_Command(int c) const;

};
//
// -------------------------------------------------------------------------
// This is the typical C++ typesafe way to allow to attach
// user data to an item of a menu. Its assumed that the user
// data belongs to some class T. Use T as template argument
// to create a UserItem.
// -------------------------------------------------------------------------
//
template<class T> class NCURSES_IMPEXP NCursesUserItem : public NCursesMenuItem
{
public:
  NCursesUserItem (const char* p_name,
		   const char* p_descript = NULL,
		   const T* p_UserData    = STATIC_CAST(T*)(0))
    : NCursesMenuItem (p_name, p_descript) {
      if (item)
	OnError (::set_item_userptr (item, const_cast<void *>(reinterpret_cast<const void*>(p_UserData))));
  }

  virtual ~NCursesUserItem() {}

  inline const T* UserData (void) const {
    return reinterpret_cast<const T*>(::item_userptr (item));
  };

  inline virtual void setUserData(const T* p_UserData) {
    if (item)
      OnError (::set_item_userptr (item, const_cast<void *>(reinterpret_cast<const void *>(p_UserData))));
  }
};
//
// -------------------------------------------------------------------------
// The same mechanism is used to attach user data to a menu
// -------------------------------------------------------------------------
//
template<class T> class NCURSES_IMPEXP NCursesUserMenu : public NCursesMenu
{
protected:
  NCursesUserMenu( int  nlines,
		   int  ncols,
		   int  begin_y = 0,
		   int  begin_x = 0,
		   const T* p_UserData = STATIC_CAST(T*)(0))
    : NCursesMenu(nlines,ncols,begin_y,begin_x) {
      if (menu)
	set_user (const_cast<void *>(p_UserData));
  }

public:
  NCursesUserMenu (NCursesMenuItem Items[],
		   const T* p_UserData = STATIC_CAST(T*)(0),
		   bool with_frame=FALSE,
		   bool autoDelete_Items=FALSE)
    : NCursesMenu (Items, with_frame, autoDelete_Items) {
      if (menu)
	set_user (const_cast<void *>(p_UserData));
  };

  NCursesUserMenu (NCursesMenuItem Items[],
		   int nlines,
		   int ncols,
		   int begin_y = 0,
		   int begin_x = 0,
		   const T* p_UserData = STATIC_CAST(T*)(0),
		   bool with_frame=FALSE)
    : NCursesMenu (Items, nlines, ncols, begin_y, begin_x, with_frame) {
      if (menu)
	set_user (const_cast<void *>(p_UserData));
  };

  virtual ~NCursesUserMenu() {
  };

  inline T* UserData (void) const {
    return reinterpret_cast<T*>(get_user ());
  };

  inline virtual void setUserData (const T* p_UserData) {
    if (menu)
      set_user (const_cast<void *>(p_UserData));
  }
};

#endif /* NCURSES_CURSESM_H_incl */