lyx_mirror/src/BufferView_pimpl.h

193 lines
4.5 KiB
C
Raw Normal View History

// -*- C++ -*-
/**
* \file BufferView_pimpl.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Asger Alstrup
* \author Alfredo Braustein
* \author Lars Gullik Bj<EFBFBD>nnes
* \author John Levon
* \author Andr<EFBFBD> P<EFBFBD>nitz
* \author Dekel Tsur
* \author J<EFBFBD>rgen Vigna
*
* Full author contact details are available in file CREDITS.
*/
#ifndef BUFFERVIEW_PIMPL_H
#define BUFFERVIEW_PIMPL_H
#include "BufferView.h"
#include "cursor.h"
#include "errorlist.h"
#include "insets/inset.h"
#include "frontends/key_state.h"
#include "frontends/Timeout.h"
#include "support/types.h"
#include <boost/scoped_ptr.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/signals/trackable.hpp>
class Change;
class LyXKeySym;
class LyXView;
class WorkArea;
class LyXScreen;
class FuncRequest;
class FuncStatus;
///
struct BufferView::Pimpl : public boost::signals::trackable {
///
Pimpl(BufferView & bv, LyXView * owner,
int xpos, int ypos, int width, int height);
///
Painter & painter() const;
/// return the screen for this bview
LyXScreen & screen() const;
///
void setBuffer(Buffer * buf);
/// Return true if the cursor was fitted.
bool fitCursor();
///
void redoCurrentBuffer();
///
void resizeCurrentBuffer();
///
void update();
///
void newFile(std::string const &, std::string const &, bool);
///
bool loadLyXFile(std::string const &, bool);
///
void workAreaResize();
///
void updateScrollbar();
///
void scrollDocView(int value);
/// Wheel mouse scroll, move by multiples of text->defaultRowHeight().
void scroll(int lines);
///
typedef boost::shared_ptr<LyXKeySym> LyXKeySymPtr;
///
void workAreaKeyPress(LyXKeySymPtr key, key_modifier::state state);
///
void selectionRequested();
///
void selectionLost();
///
void cursorToggle();
///
bool available() const;
/// get the change at the cursor position
Change const getCurrentChange();
///
void savePosition(unsigned int i);
///
void restorePosition(unsigned int i);
///
bool isSavedPosition(unsigned int i);
///
void switchKeyMap();
///
void center();
/// a function should be executed from the workarea
bool workAreaDispatch(FuncRequest const & ev);
/// return true for events that will handle
FuncStatus getStatus(FuncRequest const & cmd);
/// a function should be executed
bool dispatch(FuncRequest const & ev);
///
int top_y() const;
///
void top_y(int y);
private:
/// the y coordinate of the top of the screen
int top_y_;
/// An error list (replaces the error insets)
ErrorList errorlist_;
/// add an error to the list
void addError(ErrorItem const &);
/// buffer errors signal connection
boost::signals::connection errorConnection_;
/// buffer messages signal connection
boost::signals::connection messageConnection_;
/// buffer busy status signal connection
boost::signals::connection busyConnection_;
/// buffer title changed signal connection
boost::signals::connection titleConnection_;
/// buffer reset timers signal connection
boost::signals::connection timerConnection_;
/// buffer readonly status changed signal connection
boost::signals::connection readonlyConnection_;
/// buffer closing signal connection
boost::signals::connection closingConnection_;
/// connect to signals in the given buffer
void connectBuffer(Buffer & buf);
/// disconnect from signals in the given buffer
void disconnectBuffer();
/// track changes for the document
void trackChanges();
/// notify readonly status
void showReadonly(bool);
///
friend class BufferView;
///
BufferView * bv_;
///
LyXView * owner_;
///
Buffer * buffer_;
///
boost::scoped_ptr<LyXScreen> screen_;
///
boost::scoped_ptr<WorkArea> workarea_;
///
Timeout cursor_timeout;
///
void stuffClipboard(std::string const &) const;
///
bool using_xterm_cursor;
///
struct Position {
/// Filename
std::string filename;
/// Cursor paragraph Id
int par_id;
/// Cursor position
lyx::pos_type par_pos;
///
Position() : par_id(0), par_pos(0) {}
///
Position(std::string const & f, int id, lyx::pos_type pos)
: filename(f), par_id(id), par_pos(pos) {}
};
///
std::vector<Position> saved_positions;
/// Get next inset of this class from current cursor position
InsetBase * getInsetByCode(InsetBase::Code code);
///
void MenuInsertLyXFile(std::string const & filen);
/// our workarea
WorkArea & workarea() const;
/// this is used to handle XSelection events in the right manner
struct {
CursorSlice cursor;
CursorSlice anchor;
bool set;
} xsel_cache_;
///
LCursor cursor_;
};
#endif // BUFFERVIEW_PIMPL_H