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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@28040 a592a061-630c-0410-9148-cb99ea01b6c8
148 lines
3.5 KiB
C++
148 lines
3.5 KiB
C++
// -*- C++ -*-
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/**
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* \file LyXFunc.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Lars Gullik Bjønnes
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* \author Jean-Marc Lasgouttes
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* \author John Levon
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* \author André Pönitz
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef LYXFUNC_H
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#define LYXFUNC_H
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#include "FuncCode.h"
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#include "KeySequence.h"
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#include "support/docstring.h"
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namespace lyx {
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class Buffer;
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class BufferView;
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class DocumentClass;
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class FuncRequest;
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class FuncStatus;
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class KeySymbol;
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class Text;
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namespace support {
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class FileName;
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}
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namespace frontend {
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class LyXView;
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}
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/** This class encapsulates all the LyX command operations.
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This is the class of the LyX's "high level event handler".
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Every user command is processed here, either invocated from
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keyboard or from the GUI. All GUI objects, including buttons and
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menus should use this class and never call kernel functions directly.
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*/
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class LyXFunc
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{
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public:
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///
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explicit LyXFunc();
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/// LyX dispatcher, executes lyx actions.
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void dispatch(FuncRequest const &);
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///
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void setLyXView(frontend::LyXView * lv);
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///
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void initKeySequences(KeyMap * kb);
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/// return the status bar state string
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docstring viewStatusMessage();
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///
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void processKeySym(KeySymbol const & key, KeyModifier state);
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///
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FuncStatus getStatus(FuncRequest const & action) const;
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/// The last key was meta
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bool wasMetaKey() const;
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/// True if lyxfunc reports an error
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bool errorStat() const { return errorstat; }
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/// Buffer to store result messages
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void setMessage(docstring const & m) const;
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/// Buffer to store result messages
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void setErrorMessage(docstring const &) const;
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/// Buffer to store result messages
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docstring const getMessage() const { return dispatch_buffer; }
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/// Handle a accented char key sequence
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void handleKeyFunc(FuncCode action);
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/// goto a bookmark
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/// openFile: whether or not open a file if the file is not opened
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/// switchToBuffer: whether or not switch to buffer if the buffer is
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/// not the current buffer
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void gotoBookmark(unsigned int idx, bool openFile, bool switchToBuffer);
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/// cursor x position before dispatch started
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int cursorBeforeDispatchX() const { return cursorPosBeforeDispatchX_; }
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/// cursor y position before dispatch started
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int cursorBeforeDispatchY() const { return cursorPosBeforeDispatchY_; }
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private:
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///
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BufferView * view() const;
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///
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frontend::LyXView * lyx_view_;
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/// the last character added to the key sequence, in UCS4 encoded form
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char_type encoded_last_key;
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///
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KeySequence keyseq;
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///
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KeySequence cancel_meta_seq;
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///
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KeyModifier meta_fake_bit;
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/// cursor position before dispatch started
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int cursorPosBeforeDispatchX_;
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int cursorPosBeforeDispatchY_;
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/// Error status, only Dispatch can change this flag
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mutable bool errorstat;
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/** Buffer to store messages and result data. Is there a
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good reason to have this one as static in Dispatch? (Ale)
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*/
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mutable docstring dispatch_buffer;
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/// send a post-dispatch status message
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void sendDispatchMessage(docstring const & msg,
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FuncRequest const & ev);
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///
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void reloadBuffer();
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/// make sure the document is saved
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bool ensureBufferClean(BufferView * bv);
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///
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void updateLayout(DocumentClass const * const oldlayout, Buffer * buffer);
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};
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/// Implementation is in LyX.cpp
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extern LyXFunc & theLyXFunc();
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/// Implementation is in LyX.cpp
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extern FuncStatus getStatus(FuncRequest const & action);
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/// Implementation is in LyX.cpp
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extern void dispatch(FuncRequest const & action);
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} // namespace lyx
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#endif
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