juce_ResizableEdgeComponent.h

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 /*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited
 
   JUCE is an open source library subject to commercial or open-source
   licensing.
 
   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
   Agreement and JUCE Privacy Policy.
 
   End User License Agreement: www.juce.com/juce-7-licence
   Privacy Policy: www.juce.com/juce-privacy-policy
 
   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).
 
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.
 
  ==============================================================================
*/
 
namespace juce
{
 
//==============================================================================
class JUCE_API  ResizableEdgeComponent  : public Component
{
public:
    //==============================================================================
    enum Edge
    {
        leftEdge,   
        rightEdge,  
        topEdge,    
        bottomEdge  
    };
 
    ResizableEdgeComponent (Component* componentToResize,
                            ComponentBoundsConstrainer* constrainer,
                            Edge edgeToResize);
 
    ~ResizableEdgeComponent() override;
 
    bool isVertical() const noexcept;
 
protected:
    //==============================================================================
    void paint (Graphics&) override;
    void mouseDown (const MouseEvent&) override;
    void mouseDrag (const MouseEvent&) override;
    void mouseUp (const MouseEvent&) override;
 
private:
    WeakReference<Component> component;
    ComponentBoundsConstrainer* constrainer;
    Rectangle<int> originalBounds;
    const Edge edge;
 
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ResizableEdgeComponent)
};
 
} // namespace juce