/*************************************************************************/
/*  gradient_editor_plugin.h                                             */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
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/*************************************************************************/

#ifndef GRADIENT_EDITOR_PLUGIN_H
#define GRADIENT_EDITOR_PLUGIN_H

#include "editor/editor_plugin.h"
#include "scene/gui/gradient_edit.h"

class GradientEditor : public GradientEdit {
	GDCLASS(GradientEditor, GradientEdit);

	bool editing;
	Ref<Gradient> gradient;

	void _gradient_changed();
	void _ramp_changed();

protected:
	static void _bind_methods();

public:
	virtual Size2 get_minimum_size() const override;
	void set_gradient(const Ref<Gradient> &p_gradient);
	void reverse_gradient();
	GradientEditor();
};

class GradientReverseButton : public BaseButton {
	GDCLASS(GradientReverseButton, BaseButton);

	int margin = 2;

	void _notification(int p_what);
	virtual Size2 get_minimum_size() const override;
};

class EditorInspectorPluginGradient : public EditorInspectorPlugin {
	GDCLASS(EditorInspectorPluginGradient, EditorInspectorPlugin);

	GradientEditor *editor = nullptr;
	HBoxContainer *gradient_tools_hbox = nullptr;
	GradientReverseButton *reverse_btn = nullptr;

	void _reverse_button_pressed();

public:
	virtual bool can_handle(Object *p_object) override;
	virtual void parse_begin(Object *p_object) override;
};

class GradientEditorPlugin : public EditorPlugin {
	GDCLASS(GradientEditorPlugin, EditorPlugin);

public:
	virtual String get_name() const override { return "Gradient"; }

	GradientEditorPlugin();
};

#endif // GRADIENT_EDITOR_PLUGIN_H