3 * \file BufferView_pimpl.h
4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
7 * \author Asger Alstrup
8 * \author Alfredo Braustein
9 * \author Lars Gullik Bjønnes
11 * \author André Pönitz
13 * \author Jürgen Vigna
15 * Full author contact details are available in file CREDITS.
18 #ifndef BUFFERVIEW_PIMPL_H
19 #define BUFFERVIEW_PIMPL_H
21 #include "BufferView.h"
23 #include "errorlist.h"
25 #include "frontends/LyXKeySym.h"
26 #include "frontends/Timeout.h"
28 #include "support/types.h"
30 #include <boost/signals/trackable.hpp>
37 class ViewMetricsInfo;
47 class BufferView::Pimpl : public boost::signals::trackable {
50 Pimpl(BufferView & bv, LyXView * owner);
52 void setBuffer(Buffer * buf);
54 void resizeCurrentBuffer();
60 void update(Update::flags flags = Update::Force);
62 void newFile(std::string const &, std::string const &, bool);
64 bool loadLyXFile(std::string const &, bool);
66 void workAreaResize(int width, int height);
68 void updateScrollbar();
70 ScrollbarParameters const & scrollbarParameters() const;
72 void scrollDocView(int value);
73 /// Wheel mouse scroll, move by multiples of text->defaultRowHeight().
74 void scroll(int lines);
76 void workAreaKeyPress(LyXKeySymPtr key, key_modifier::state state);
78 void selectionRequested();
84 bool available() const;
85 /// get the change at the cursor position
86 Change const getCurrentChange();
88 void savePosition(unsigned int i);
90 void restorePosition(unsigned int i);
92 bool isSavedPosition(unsigned int i);
93 /// save bookmarks to .lyx/session
94 void saveSavedPositions();
99 /// a function should be executed from the workarea
100 bool workAreaDispatch(FuncRequest const & ev);
101 /// return true for events that will handle
102 FuncStatus getStatus(FuncRequest const & cmd);
103 /// a function should be executed
104 bool dispatch(FuncRequest const & ev);
107 lyx::frontend::Gui & gui() const;
109 /// Width and height of the BufferView in Pixels
111 This is set externally by the workAreaResize method.
114 /// Height of the BufferView in Pixels
116 This is set externally by the workAreaResize method.
126 ScrollbarParameters scrollbarParameters_;
128 /// An error list (replaces the error insets)
129 ErrorList errorlist_;
130 /// add an error to the list
131 void addError(ErrorItem const &);
132 /// buffer errors signal connection
133 boost::signals::connection errorConnection_;
134 /// buffer messages signal connection
135 boost::signals::connection messageConnection_;
136 /// buffer busy status signal connection
137 boost::signals::connection busyConnection_;
138 /// buffer title changed signal connection
139 boost::signals::connection titleConnection_;
140 /// buffer reset timers signal connection
141 boost::signals::connection timerConnection_;
142 /// buffer readonly status changed signal connection
143 boost::signals::connection readonlyConnection_;
144 /// buffer closing signal connection
145 boost::signals::connection closingConnection_;
146 /// connect to signals in the given buffer
147 void connectBuffer(Buffer & buf);
148 /// disconnect from signals in the given buffer
149 void disconnectBuffer();
150 /// track changes for the document
152 /// notify readonly status
153 void showReadonly(bool);
157 friend class BufferView;
166 /// Estimated average par height for scrollbar
169 Timeout cursor_timeout;
171 bool using_xterm_cursor;
176 std::string filename;
177 /// Cursor paragraph Id
180 lyx::pos_type par_pos;
182 Position() : par_id(0), par_pos(0) {}
184 Position(std::string const & f, int id, lyx::pos_type pos)
185 : filename(f), par_id(id), par_pos(pos) {}
188 std::vector<Position> saved_positions;
190 void menuInsertLyXFile(std::string const & filen);
192 /// this is used to handle XSelection events in the right manner
201 bool multiparsel_cache_;
203 lyx::pit_type anchor_ref_;
207 ViewMetricsInfo metrics(bool singlepar = false);
209 #endif // BUFFERVIEW_PIMPL_H