/*************************************************************************/
/*  spin_box.h                                                           */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
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/*************************************************************************/

#ifndef SPIN_BOX_H
#define SPIN_BOX_H

#include "scene/gui/line_edit.h"
#include "scene/gui/range.h"
#include "scene/main/timer.h"

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

	LineEdit *line_edit;
	int last_w = 0;
	bool update_on_text_changed = false;

	Timer *range_click_timer;
	void _range_click_timeout();
	void _release_mouse();

	void _text_submitted(const String &p_string);
	virtual void _value_changed(double) override;
	void _text_changed(const String &p_string);

	String prefix;
	String suffix;

	void _line_edit_input(const Ref<InputEvent> &p_event);

	struct Drag {
		float base_val = 0.0;
		bool allowed = false;
		bool enabled = false;
		Vector2 capture_pos;
		float diff_y = 0.0;
	} drag;

	void _line_edit_focus_exit();

	inline void _adjust_width_for_icon(const Ref<Texture2D> &icon);

protected:
	virtual void gui_input(const Ref<InputEvent> &p_event) override;

	void _notification(int p_what);

	static void _bind_methods();

public:
	LineEdit *get_line_edit();

	virtual Size2 get_minimum_size() const override;

	void set_align(LineEdit::Align p_align);
	LineEdit::Align get_align() const;

	void set_editable(bool p_enabled);
	bool is_editable() const;

	void set_suffix(const String &p_suffix);
	String get_suffix() const;

	void set_prefix(const String &p_prefix);
	String get_prefix() const;

	void set_update_on_text_changed(bool p_enabled);
	bool get_update_on_text_changed() const;

	void apply();

	SpinBox();
};

#endif // SPIN_BOX_H