GUIKnobController.h

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#pragma once
 
#include <tdme/tdme.h>
#include <tdme/gui/elements/fwd-tdme.h>
#include <tdme/gui/events/fwd-tdme.h>
#include <tdme/gui/nodes/fwd-tdme.h>
#include <tdme/gui/nodes/GUIElementController.h>
#include <tdme/utilities/MutableString.h>
 
using tdme::gui::events::GUIKeyboardEvent;
using tdme::gui::events::GUIMouseEvent;
using tdme::gui::nodes::GUIElementController;
using tdme::gui::nodes::GUINode;
using tdme::utilities::MutableString;
 
/**
 * GUI knob controller
 * @author Andreas Drewke
 */
class tdme::gui::elements::GUIKnobController final: public GUIElementController
{
    friend class GUIKnob;
 
private:
    GUINode* knobNode { nullptr };
    bool disabled { false };
    float valueFloat { 0.0f };
    MutableString value;
    int mouseLastX { -1 };
 
    // forbid class copy
    FORBID_CLASS_COPY(GUIKnobController)
 
    /**
     * Private constructor
     * @param node node
     */
    GUIKnobController(GUINode* node);
 
    /**
     * Update knob
     */
    void updateKnob();
 
public:
    // overridden methods
    bool isDisabled() override;
    void setDisabled(bool disabled) override;
    void initialize() override;
    void dispose() override;
    void postLayout() override;
    void handleMouseEvent(GUINode* node, GUIMouseEvent* event) override;
    void handleKeyboardEvent(GUIKeyboardEvent* event) override;
    void tick() override;
    void onFocusGained() override;
    void onFocusLost() override;
    bool hasValue() override;
    const MutableString& getValue() override;
    void setValue(const MutableString& value) override;
 
};