Rack/include/widget/ZoomWidget.hpp

#pragma once
#include "widget/Widget.hpp"


namespace rack {
namespace widget {


/** A Widget with a dynamic zoom level. */
struct ZoomWidget : Widget {
	float zoom = 1.f;

	math::Vec getRelativeOffset(math::Vec v, Widget *relative) override;
	math::Rect getViewport(math::Rect r) override;
	void setZoom(float zoom);
	void draw(const DrawArgs &args) override;

	void onHover(const HoverEvent &e) override {
		HoverEvent e2 = e;
		e2.pos = e.pos.div(zoom);
		Widget::onHover(e2);
	}
	void onButton(const ButtonEvent &e) override {
		ButtonEvent e2 = e;
		e2.pos = e.pos.div(zoom);
		Widget::onButton(e2);
	}
	void onHoverKey(const HoverKeyEvent &e) override {
		HoverKeyEvent e2 = e;
		e2.pos = e.pos.div(zoom);
		Widget::onHoverKey(e2);
	}
	void onHoverText(const HoverTextEvent &e) override {
		HoverTextEvent e2 = e;
		e2.pos = e.pos.div(zoom);
		Widget::onHoverText(e2);
	}
	void onHoverScroll(const HoverScrollEvent &e) override {
		HoverScrollEvent e2 = e;
		e2.pos = e.pos.div(zoom);
		Widget::onHoverScroll(e2);
	}
	void onDragHover(const DragHoverEvent &e) override {
		DragHoverEvent e2 = e;
		e2.pos = e.pos.div(zoom);
		Widget::onDragHover(e2);
	}
	void onPathDrop(const PathDropEvent &e) override {
		PathDropEvent e2 = e;
		e2.pos = e.pos.div(zoom);
		Widget::onPathDrop(e2);
	}
};


} // namespace widget
} // namespace rack