juce_ConcertinaPanel.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  ConcertinaPanel   : public Component
{
public:
    ConcertinaPanel();
 
    ~ConcertinaPanel() override;
 
    void addPanel (int insertIndex, Component* component, bool takeOwnership);
 
    void removePanel (Component* panelComponent);
 
    int getNumPanels() const noexcept;
 
    Component* getPanel (int index) const noexcept;
 
    bool setPanelSize (Component* panelComponent, int newHeight, bool animate);
 
    bool expandPanelFully (Component* panelComponent, bool animate);
 
    void setMaximumPanelSize (Component* panelComponent, int maximumSize);
 
    void setPanelHeaderSize (Component* panelComponent, int headerSize);
 
    void setCustomPanelHeader (Component* panelComponent, Component* customHeaderComponent, bool takeOwnership);
 
    //==============================================================================
    struct JUCE_API  LookAndFeelMethods
    {
        virtual ~LookAndFeelMethods() = default;
 
        virtual void drawConcertinaPanelHeader (Graphics&, const Rectangle<int>& area,
                                                bool isMouseOver, bool isMouseDown,
                                                ConcertinaPanel&, Component&) = 0;
    };
 
    std::unique_ptr<AccessibilityHandler> createAccessibilityHandler() override;
 
private:
    void resized() override;
 
    class PanelHolder;
    struct PanelSizes;
    std::unique_ptr<PanelSizes> currentSizes;
    OwnedArray<PanelHolder> holders;
    ComponentAnimator animator;
    int headerHeight;
 
    int indexOfComp (Component*) const noexcept;
    PanelSizes getFittedSizes() const;
    void applyLayout (const PanelSizes&, bool animate);
    void setLayout (const PanelSizes&, bool animate);
    void panelHeaderDoubleClicked (Component*);
 
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ConcertinaPanel)
};
 
} // namespace juce