/*************************************************************************/
/*  editor_spin_slider.h                                                 */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#ifndef EDITOR_SPIN_SLIDER_H
#define EDITOR_SPIN_SLIDER_H

#include "scene/gui/line_edit.h"
#include "scene/gui/range.h"
#include "scene/gui/texture_rect.h"

class EditorSpinSlider : public Range {
	GDCLASS(EditorSpinSlider, Range);

	String label;
	int updown_offset;
	bool hover_updown;
	bool mouse_hover;

	TextureRect *grabber;
	int grabber_range;

	bool mouse_over_spin;
	bool mouse_over_grabber;
	bool mousewheel_over_grabber;

	bool grabbing_grabber;
	int grabbing_from;
	float grabbing_ratio;

	bool grabbing_spinner_attempt;
	bool grabbing_spinner;

	bool read_only;
	float grabbing_spinner_dist_cache;
	Vector2 grabbing_spinner_mouse_pos;
	double pre_grab_value;

	LineEdit *value_input;
	bool value_input_just_closed;
	bool value_input_dirty;

	void _grabber_gui_input(const Ref<InputEvent> &p_event);
	void _value_input_closed();
	void _value_input_entered(const String &);
	void _value_focus_exited();
	void _value_input_gui_input(const Ref<InputEvent> &p_event);
	bool hide_slider;
	bool flat;

	bool use_custom_label_color;
	Color custom_label_color;

	void _evaluate_input_text();

	void _draw_spin_slider();

protected:
	void _notification(int p_what);
	void _gui_input(const Ref<InputEvent> &p_event);
	static void _bind_methods();
	void _grabber_mouse_entered();
	void _grabber_mouse_exited();
	void _focus_entered();

public:
	String get_tooltip(const Point2 &p_pos) const;

	String get_text_value() const;
	void set_label(const String &p_label);
	String get_label() const;

	void set_hide_slider(bool p_hide);
	bool is_hiding_slider() const;

	void set_read_only(bool p_enable);
	bool is_read_only() const;

	void set_flat(bool p_enable);
	bool is_flat() const;

	void set_custom_label_color(bool p_use_custom_label_color, Color p_custom_label_color);

	void setup_and_show() { _focus_entered(); }
	LineEdit *get_line_edit() { return value_input; }

	virtual Size2 get_minimum_size() const;
	EditorSpinSlider();
};

#endif // EDITOR_SPIN_SLIDER_H