lyx_mirror/src/BufferView_pimpl.h
Alfredo Braunstein dcb9c3eabb fixes buffer closing crashes
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7267 a592a061-630c-0410-9148-cb99ea01b6c8
2003-07-11 12:21:31 +00:00

182 lines
4.2 KiB
C++

// -*- C++ -*-
/**
* \file BufferView_pimpl.h
* Copyright 2002 the LyX Team
* Read the file COPYING
*
* \author various
*/
#ifndef BUFFERVIEW_PIMPL_H
#define BUFFERVIEW_PIMPL_H
#include "errorlist.h"
#include "BufferView.h"
#include "frontends/Timeout.h"
#include "frontends/key_state.h"
#include "frontends/LyXKeySym.h"
#include "support/types.h"
#include <boost/scoped_ptr.hpp>
#include <boost/signals/trackable.hpp>
class Change;
class LyXView;
class WorkArea;
class LyXScreen;
class FuncRequest;
///
struct BufferView::Pimpl : public boost::signals::trackable {
///
Pimpl(BufferView * i, LyXView * o,
int xpos, int ypos, int width, int height);
///
Painter & painter() const;
/// return the screen for this bview
LyXScreen & screen() const;
///
void buffer(Buffer *);
/// Return true if the cursor was fitted.
bool fitCursor();
///
void redoCurrentBuffer();
///
int resizeCurrentBuffer();
///
void update();
//
void update(LyXText *, BufferView::UpdateCodes);
/// update the toplevel lyx text
void update(BufferView::UpdateCodes);
/**
* Repaint pixmap. Used for when we've made a visible
* change but don't need the full update() logic
*/
///
bool newFile(string const &, string const &, bool);
///
bool loadLyXFile(string const &, bool);
///
void repaint();
///
void workAreaResize();
///
void updateScrollbar();
///
void scrollDocView(int value);
/**
* Wheel mouse scroll, move by multiples of text->defaultRowHeight().
*/
void scroll(int lines);
///
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 beforeChange(LyXText *);
///
void savePosition(unsigned int i);
///
void restorePosition(unsigned int i);
///
bool isSavedPosition(unsigned int i);
///
void switchKeyMap();
///
void insetUnlock();
///
void toggleSelection(bool = true);
///
void toggleToggle();
///
void center();
///
bool insertInset(Inset * inset, string const & lout = string());
///
void updateInset(Inset * inset);
/// a function should be executed from the workarea
bool workAreaDispatch(FuncRequest const & ev);
/// a function should be executed
bool dispatch(FuncRequest const & ev);
private:
/// 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(string const &) const;
///
bool using_xterm_cursor;
///
struct Position {
/// Filename
string filename;
/// Cursor paragraph Id
int par_id;
/// Cursor position
lyx::pos_type par_pos;
///
Position() : par_id(0), par_pos(0) {}
///
Position(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
Inset * getInsetByCode(Inset::Code code);
///
void MenuInsertLyXFile(string const & filen);
/// our workarea
WorkArea & workarea() const;
};
#endif // BUFFERVIEW_PIMPL_H