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Let empty() be const.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@25961 a592a061-630c-0410-9148-cb99ea01b6c8
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@ -62,7 +62,7 @@ public:
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* This does always return true on systems that don't have a real
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* selection.
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*/
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virtual bool empty() = 0;
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virtual bool empty() const = 0;
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};
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} // namespace frontend
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@ -96,7 +96,7 @@ void GuiSelection::on_dataChanged()
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}
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bool GuiSelection::empty()
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bool GuiSelection::empty() const
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{
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if (!selection_supported_)
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return true;
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@ -37,7 +37,7 @@ public:
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void haveSelection(bool own);
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docstring const get() const;
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void put(docstring const & str);
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bool empty();
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bool empty() const;
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//@}
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private Q_SLOTS:
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@ -46,7 +46,7 @@ private Q_SLOTS:
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private:
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// Cache which is to speed up selection-status read
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// (4 calls when openi Edit menu).
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bool text_selection_empty_;
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mutable bool text_selection_empty_;
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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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@ -54,7 +54,7 @@ private:
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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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bool schedule_check_;
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mutable bool schedule_check_;
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bool const selection_supported_;
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};
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