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119 lines
2.3 KiB
C++
119 lines
2.3 KiB
C++
// -*- C++ -*-
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/**
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* \file Compare.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 Vincent van Ravesteijn
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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 COMPARE_H
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#define COMPARE_H
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#include <QObject>
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#include <QThread>
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#include <QTimer>
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#include <QWaitCondition>
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namespace lyx {
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class Buffer;
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/**
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* The options that are used by the Comparison algorithm
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* and are set in the GuiCompare Dialog.
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*/
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class CompareOptions {
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public:
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///
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CompareOptions()
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: settings_from_new(0)
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{}
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/// Copy the settings from the new or old document
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bool settings_from_new;
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};
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/**
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* A threaded object that does the Comparison between two documents
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* and creates a new document with the differences marked with track
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* changes.
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*/
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class Compare : public QThread
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{
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Q_OBJECT
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public:
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///
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Compare(Buffer const * const old_buf, Buffer const * const new_buf,
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Buffer * const dest_buf, CompareOptions const & options);
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///
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~Compare() {
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abort();
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}
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Q_SIGNALS:
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/// The thread has finished due to an error.
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void error() const;
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/// The thread has finished. If the thread is cancelled
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/// by the user \c aborted is true.
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void finished(bool aborted) const;
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/// Adds \c progress to the value of the progress bar in the dialog
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void progress(int progress) const ;
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/// Sets the maximum value of the progress bar in the dialog.
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void progressMax(int max) const;
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/// A message describing the process
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void statusMessage(QString msg) const;
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public Q_SLOTS:
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/// Emits the status message signal
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void doStatusMessage();
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public:
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/// \name QThread inherited methods
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//@{
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void run();
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//@}
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/// Aborts the thread
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void abort();
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private:
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/// Starts the comparison algorithm
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int doCompare();
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/// The new document's buffer
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Buffer const * const new_buffer;
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/// The old document's buffer
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Buffer const * const old_buffer;
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/// The buffer with the differences marked with track changes
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Buffer * const dest_buffer;
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/// The options that are set in the GuiCompare dialog
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CompareOptions options_;
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///
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QWaitCondition condition_;
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/// Emit a statusMessage signal from time to time
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QTimer status_timer_;
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/// Use the Pimpl idiom to hide the internals.
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class Impl;
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///
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Impl * pimpl_;
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};
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} // namespace lyx
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#endif
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