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62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
// -*- C++ -*-
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/**
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* \file qt/GuiSelection.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 unknown
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* \author John Levon
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* \author Abdelrazak Younes
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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 GUISELECTION_H
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#define GUISELECTION_H
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#include "frontends/Selection.h"
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#include <QObject>
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namespace lyx {
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namespace frontend {
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/**
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* The Qt version of the Selection.
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*/
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class GuiSelection : public QObject, public Selection
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{
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Q_OBJECT
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public:
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GuiSelection();
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virtual ~GuiSelection() {}
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/** Selection overloaded methods
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*/
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//@{
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void haveSelection(bool own) override;
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docstring const get() const override;
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void put(docstring const & str) override;
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bool empty() const override;
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//@}
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private Q_SLOTS:
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void on_dataChanged();
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private:
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// Direct call clipboard()->text(QClipboard::Selection) inside onDataChanged causes
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// selection to be obtained. Now imagine the some LyX instance A, when making selection -
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// each change triggers onDataChange in all others instances for each mouse
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// or keyboard move. This in turn causes many calls of requestSelection in A
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// which interferes with the selecting itself. As a result middle button pasting
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// for more instances don't work and debugging is a hell. So we just schedule
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// obtaining of selection on the time empty() is actually called.
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mutable bool schedule_check_;
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bool const selection_supported_;
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};
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} // namespace frontend
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} // namespace lyx
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#endif // GUISELECTION_H
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