Jaye Evins
99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
// Handles.hpp
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//
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// Copyright (C) 2013-2026 Jaye Evins <evins@snaught.com>
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//
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// This file is part of gLabels-qt.
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//
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// gLabels-qt is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// gLabels-qt is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU 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 gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
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//
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#ifndef model_Handles_hpp
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#define model_Handles_hpp
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#include "Distance.hpp"
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#include <QPainter>
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#include <QPainterPath>
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namespace glabels::model
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{
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// Forward References
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class ModelObject;
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///
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/// Handle Base Class
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///
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class Handle
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{
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////////////////////////////
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// Location enumeration
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////////////////////////////
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public:
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enum Location { NULL_HANDLE, NW, N, NE, E, SE, S, SW, W, P1, P2 };
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////////////////////////////
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// Lifecycle Methods
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////////////////////////////
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public:
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Handle() = default;
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Handle( ModelObject* owner, Location location );
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~Handle() = default;
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////////////////////////////
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// Attribute Methods
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////////////////////////////
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bool isNull() const;
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ModelObject* owner() const;
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Location location() const;
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////////////////////////////
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// Drawing Methods
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////////////////////////////
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public:
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void draw( QPainter* painter, double scale ) const;
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QPainterPath path( double scale ) const;
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private:
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void drawAt( QPainter* painter,
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double scale,
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Distance x,
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Distance y,
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QColor color ) const;
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QPainterPath pathAt( double scale,
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Distance x,
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Distance y ) const;
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////////////////////////////
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// Private Data
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////////////////////////////
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protected:
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ModelObject* mOwner{ nullptr };
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Location mLocation{ NULL_HANDLE };
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};
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}
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#endif // model_Handles_hpp
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