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fix #218
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3470 a592a061-630c-0410-9148-cb99ea01b6c8
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@ -203,8 +203,11 @@ bool MathCursor::popLeft()
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//cerr << "Leaving atom "; par()->write(cerr, false); cerr << " left\n";
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if (Cursor_.size() <= 1)
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return false;
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if (par()->asScriptInset())
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if (par()->asScriptInset()) {
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par()->asScriptInset()->removeEmptyScripts();
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if (par()->asScriptInset()->empty())
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plainErase();
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}
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Cursor_.pop_back();
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return true;
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}
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@ -215,8 +218,11 @@ bool MathCursor::popRight()
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//cerr << "Leaving atom "; par()->write(cerr, false); cerr << " right\n";
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if (Cursor_.size() <= 1)
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return false;
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if (par()->asScriptInset())
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if (par()->asScriptInset()) {
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par()->asScriptInset()->removeEmptyScripts();
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if (par()->asScriptInset()->empty())
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plainErase();
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}
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Cursor_.pop_back();
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posRight();
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return true;
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@ -187,7 +187,9 @@ void MathScriptInset::metrics(MathMetricsInfo const & mi) const
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void MathScriptInset::metrics(MathInset const * nuc,
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MathMetricsInfo const & mi) const
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{
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MathNestInset::metrics(mi);
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mi_ = mi;
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smallerStyleScript(mi_);
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MathNestInset::metrics(mi_);
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if (nuc)
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nuc->metrics(mi);
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ascent_ = ascent2(nuc);
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@ -264,6 +266,12 @@ bool MathScriptInset::has(bool up) const
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}
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bool MathScriptInset::empty() const
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{
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return !script_[0] && !script_[1];
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}
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bool MathScriptInset::hasUp() const
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{
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return script_[1];
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@ -68,6 +68,8 @@ public:
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bool hasDown() const;
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/// do we have a script?
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bool has(bool up) const;
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/// do we have a anything?
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bool empty() const;
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/// remove script
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void removeScript(bool up);
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/// remove script
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