lyx_mirror/src/MenuBackend.h

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// -*- C++ -*-
/**
* \file MenuBackend.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bj<EFBFBD>nnes
* \author Jean-Marc Lasgouttes
*
* Full author contact details are available in file CREDITS.
*/
#ifndef MENUBACKEND_H
#define MENUBACKEND_H
#include "FuncStatus.h"
#include "funcrequest.h"
#include <boost/shared_ptr.hpp>
#include <vector>
class LyXLex;
class LyXView;
class Menu;
///
class MenuItem {
public:
/// The type of elements that can be in a menu
enum Kind {
///
Command,
///
Submenu,
///
Separator,
/** This is the list of last opened file,
typically for the File menu. */
Lastfiles,
/** This is the list of opened Documents,
typically for the Documents menu. */
Documents,
///
Toc,
/** This is a list of viewable formats
typically for the File->View menu. */
ViewFormats,
/** This is a list of updatable formats
typically for the File->Update menu. */
UpdateFormats,
/** This is a list of exportable formats
typically for the File->Export menu. */
ExportFormats,
/** This is a list of importable formats
typically for the File->Export menu. */
ImportFormats,
/** This is the list of elements available
* for insertion into document. */
CharStyles,
/** This is the list of floats that we can
insert a list for. */
FloatListInsert,
/** This is the list of floats that we can
insert. */
FloatInsert,
/** This is the list of selections that can
be pasted. */
PasteRecent,
/** Available branches in document */
Branches
};
explicit MenuItem(Kind kind);
MenuItem(Kind kind,
std::string const & label,
std::string const & command = std::string(),
bool optional = false);
MenuItem(Kind kind,
std::string const & label,
FuncRequest const & func,
bool optional = false);
/// This one is just to please boost::shared_ptr<>
~MenuItem();
/// The label of a given menuitem
std::string const label() const;
/// The keyboard shortcut (usually underlined in the entry)
std::string const shortcut() const;
/// The complete label, with label and shortcut separated by a '|'
std::string const fulllabel() const { return label_;}
/// The kind of entry
Kind kind() const { return kind_; }
/// the action (if relevant)
FuncRequest const & func() const { return func_; }
/// returns true if the entry should be ommited when disabled
bool optional() const { return optional_; }
/// returns the status of the lfun associated with this entry
FuncStatus const & status() const { return status_; }
/// returns the status of the lfun associated with this entry
FuncStatus & status() { return status_; }
/// returns the status of the lfun associated with this entry
void status(FuncStatus const & status) { status_ = status; }
/// returns the binding associated to this action
std::string const binding() const;
/// the description of the submenu (if relevant)
std::string const & submenuname() const { return submenuname_; }
/// set the description of the submenu
void submenuname(std::string const & name) { submenuname_ = name; }
///
Menu * submenu() const { return submenu_.get(); }
///
void submenu(Menu * menu);
private:
//friend class MenuBackend;
///
Kind kind_;
///
std::string label_;
///
FuncRequest func_;
///
std::string submenuname_;
///
bool optional_;
///
FuncStatus status_;
///
boost::shared_ptr<Menu> submenu_;
};
///
class Menu {
public:
///
typedef std::vector<MenuItem> ItemList;
///
typedef ItemList::const_iterator const_iterator;
///
typedef ItemList::size_type size_type;
///
explicit Menu(std::string const & name = std::string())
: name_(name) {}
///
Menu & add(MenuItem const &, LyXView const * view = 0);
///
Menu & read(LyXLex &);
///
std::string const & name() const { return name_; }
///
bool empty() const { return items_.empty(); }
/// Clear the menu content.
void clear() { items_.clear(); }
///
ItemList::size_type size() const { return items_.size(); }
///
MenuItem const & operator[](size_type) const;
///
bool hasFunc(FuncRequest const &) const;
///
const_iterator begin() const {
return items_.begin();
}
///
const_iterator end() const {
return items_.end();
}
// Check whether the menu shortcuts are unique
void checkShortcuts() const;
private:
friend class MenuBackend;
///
ItemList items_;
///
std::string name_;
};
///
class MenuBackend {
public:
///
typedef std::vector<Menu> MenuList;
///
typedef MenuList::const_iterator const_iterator;
///
typedef MenuList::iterator iterator;
///
MenuBackend() : specialmenu_(0) {}
///
void read(LyXLex &);
///
void add(Menu const &);
///
bool hasMenu(std::string const &) const;
///
Menu & getMenu(std::string const &);
///
Menu const & getMenu(std::string const &) const;
///
Menu const & getMenubar() const;
///
bool empty() const { return menulist_.empty(); }
/** This defines a menu whose entries list the FuncRequests
will be removed by expand() in other menus. This is used by
the Qt/Mac code
*/
void specialMenu(std::string const &);
/// Expands some special entries of the menu
/** The entries with the following kind are expanded to a
sequence of Command MenuItems: Lastfiles, Documents,
ViewFormats, ExportFormats, UpdateFormats, Branches
*/
void expand(Menu const & frommenu, Menu & tomenu,
LyXView const *) const;
///
const_iterator begin() const {
return menulist_.begin();
}
///
iterator begin() {
return menulist_.begin();
}
///
const_iterator end() const {
return menulist_.end();
}
///
iterator end() {
return menulist_.end();
}
private:
///
MenuList menulist_;
///
Menu menubar_;
///
Menu * specialmenu_;
};
///
extern MenuBackend menubackend;
#endif /* MENUBACKEND_H */