Custom class derived from CallOutBox for removing arrow (JUCE)

CustomCallOutBox.cpp

#include "CustomCallOutBox.h"


CustomCallOutBox::CustomCallOutBox (Component &contentComponent,
                                    const Rectangle< int > &areaToPointTo,
                                    Component *parentComponent,
                                    bool drawArrow)
: CallOutBox (contentComponent, areaToPointTo, parentComponent), drawArrow (drawArrow)
{

}

class CustomCallOutBoxCallback  : public ModalComponentManager::Callback,
                            private Timer
{
public:
    CustomCallOutBoxCallback (Component* c, const Rectangle<int>& area, Component* parent, bool arrow)
        : content (c), callout (*c, area, parent, arrow)
    {
        callout.setVisible (true);
        callout.enterModalState (true, this);
        startTimer (200);
    }

    void modalStateFinished (int) override {}

    void timerCallback() override
    {
        if (! Process::isForegroundProcess())
            callout.dismiss();
    }

    ScopedPointer<Component> content;
    CustomCallOutBox callout;

    JUCE_DECLARE_NON_COPYABLE (CustomCallOutBoxCallback)
};

CustomCallOutBox& CustomCallOutBox::launchAsynchronously (Component* content, const Rectangle<int>& area, Component* parent, bool arrow)
{
    jassert (content != nullptr); // must be a valid content component!

    return (new CustomCallOutBoxCallback (content, area, parent, arrow))->callout;
}

CustomCallOutBox.h

#ifndef CUSTOMCALLOUTBOX_H_INCLUDED
#define CUSTOMCALLOUTBOX_H_INCLUDED

#include "JuceHeader.h"

class CustomCallOutBox : public CallOutBox
{
public:
    CustomCallOutBox (Component &contentComponent, const Rectangle< int > &areaToPointTo, Component *parentComponent, bool drawArrow);
    static CustomCallOutBox& launchAsynchronously (Component* content, const Rectangle<int>& area, Component* parent, bool drawArrow);
private:
    bool drawArrow;
};



#endif  // CUSTOMCALLOUTBOX_H_INCLUDED