TextEditor, Cursor, and setOpaque

TextEditorPlayground.h

#pragma once

#include "juce_gui_extra/juce_gui_extra.h"

class Modal : public juce::Component
{
public:
    Modal()
    {
        addAndMakeVisible (editor);
        editor.setFont (editor.getFont().withPointHeight (50));
        editor.setBorder (juce::BorderSize (5));
        editor.setOpaque (true);
    }

    void paint (juce::Graphics& g) override
    {
        g.setColour (juce::Colours::darkblue.withAlpha (0.8f));
        g.fillAll();
    }

    void resized() override
    {
        auto area = getLocalBounds();
        editor.setBounds (area.reduced (50).removeFromTop (100));
    }

private:
    juce::TextEditor editor;
};

class Main : public juce::Component
{
public:
    void mouseDown (const MouseEvent& event) override
    {
        repaint();
    }

    void paint (juce::Graphics& g) override
    {
        g.setColour ({ (uint8) rng.nextInt (255),
            (uint8) rng.nextInt (255),
            (uint8) rng.nextInt (255) });

        g.fillRect (getLocalBounds());
    }

private:
    Random rng;
};

class TextEditorPlayground : public juce::Component
{
public:
    TextEditorPlayground()
    {
        addAndMakeVisible (main);
        addAndMakeVisible (modal);
    }

    void paint (juce::Graphics& g) override
    {
        g.fillAll (juce::Colours::grey);
    }

    void resized() override
    {
        auto area = getLocalBounds();
        main.setBounds (area);
        modal.setBounds (getLocalBounds().reduced (100));
    }

private:
    Main main;
    Modal modal;
};