71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
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//
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// Copyright (C) 2017 James Turner zakalawe@mac.com
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#ifndef FGCANVASTEXT_H
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#define FGCANVASTEXT_H
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#include <QFont>
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#include <QFontMetricsF>
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#include "fgcanvaselement.h"
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class TextCanvasItem;
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class FGCanvasText : public FGCanvasElement
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{
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public:
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FGCanvasText(FGCanvasGroup* pr, LocalProp* prop);
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CanvasItem* createQuickItem(QQuickItem *parent) override;
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CanvasItem* quickItem() const override;
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void dumpElement() override;
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protected:
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virtual void doPaint(FGCanvasPaintContext* context) const override;
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void doPolish() override;
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virtual void markStyleDirty() override;
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void doDestroy() override;
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private:
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bool onChildAdded(LocalProp *prop) override;
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void onTextChanged(QVariant var);
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void setDrawMode(QVariant var);
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void markFontDirty();
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void onFontLoaded(QByteArray name);
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private:
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void rebuildFont() const;
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void rebuildAlignment(QVariant var) const;
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QString _text;
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mutable Qt::Alignment _alignment;
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mutable bool _fontDirty = true;
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mutable QFont _font;
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mutable QFontMetricsF _metrics;
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TextCanvasItem* _quickItem = nullptr;
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};
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#endif // FGCANVASTEXT_H
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