Replace nav buttons with a virtual joystick pad

Source/JoystickPad.h

@@ -0,0 +1,70 @@
+#pragma once
+
+#include <JuceHeader.h>
+
+// Small flat circular button matching the joystick pad's dark style.
+class RoundNavButton : public juce::Button
+{
+public:
+    explicit RoundNavButton (const juce::String& label) : juce::Button (label) {}
+
+    void paintButton (juce::Graphics& g, bool isDown, bool isOver) override
+    {
+        const float w = (float) getWidth();
+        const float h = (float) getHeight();
+        const float cx = w * 0.5f;
+        const float cy = h * 0.5f;
+        const float r  = juce::jmin (w, h) * 0.5f - 1.0f;
+
+        g.fillAll (juce::Colour (0xFF000000));
+
+        g.setColour (isDown ? juce::Colour (0xFFECECEC) : juce::Colour (0xFF151515));
+        g.fillEllipse (cx - r, cy - r, r * 2.0f, r * 2.0f);
+
+        g.setColour (isDown ? juce::Colour (0xFFECECEC) : juce::Colour (0xFF242424));
+        g.drawEllipse (cx - r, cy - r, r * 2.0f, r * 2.0f, 1.0f);
+
+        g.setFont (juce::Font (juce::FontOptions { juce::Font::getDefaultMonospacedFontName(),
+                                                   12.0f, isDown ? juce::Font::bold : juce::Font::plain }));
+        g.setColour (isDown ? juce::Colour (0xFF0A0A0A) : juce::Colour (0xFF9A9A9A));
+        g.drawText (getButtonText(), juce::Rectangle<float> (0, 0, w, h), juce::Justification::centred);
+    }
+};
+
+// A flat dark virtual-analog joystick pad. A circular well holds four
+// quarter-circle buttons (up/down/left/right). Holding a direction glows
+// the matching quarter and emits repeat actions like a gamepad D-pad.
+class JoystickPad : public juce::Component, private juce::Timer
+{
+public:
+    enum Direction : int { None = -1, Up = 0, Down = 1, Left = 2, Right = 3 };
+
+    JoystickPad();
+    ~JoystickPad() override = default;
+
+    void paint (juce::Graphics&) override;
+    void mouseDown (const juce::MouseEvent&) override;
+    void mouseDrag (const juce::MouseEvent&) override;
+    void mouseUp (const juce::MouseEvent&) override;
+
+    // Called on press (immediately) and then on repeat while held.
+    std::function<void (int direction)> onAction;
+
+    void setRepeatSpeed (int initialDelayMs, int repeatMs);
+
+private:
+    void timerCallback() override;
+    void beginHold (int direction);
+    void endHold();
+    int directionFrom (const juce::MouseEvent&) const;
+
+    Direction active = None;
+    int initialDelayMs = 250;
+    int repeatMs = 50;
+
+    int64 holdStartMs = 0;
+    int64 lastFireMs = 0;
+    bool repeatsStarted = false;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JoystickPad)
+};