godot/scene/gui/line_edit.h

/*************************************************************************/
/*  line_edit.h                                                          */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* 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   */
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/* distribute, sublicense, and/or sell copies of the Software, and to    */
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/* the following conditions:                                             */
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/* The above copyright notice and this permission notice shall be        */
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/* 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.*/
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/*************************************************************************/
#ifndef LINE_EDIT_H
#define LINE_EDIT_H

#include "scene/gui/control.h"
/**
	@author Juan Linietsky <reduzio@gmail.com>
*/
class LineEdit : public Control {

	OBJ_TYPE( LineEdit, Control );

public:
	enum Align {

		ALIGN_LEFT,
		ALIGN_CENTER,
		ALIGN_RIGHT,
		ALIGN_FILL
	};
private:
	Align align;

	bool editable;
	bool pass;

	String undo_text;
	String text;

	int cursor_pos;
	int window_pos;
	int max_length; // 0 for no maximum

	int cached_width;

	struct Selection {

		int begin;
		int end;
		int cursor_start;
		bool enabled;
		bool creating;
		bool old_shift;
		bool doubleclick;
		bool drag_attempt;
	} selection;

	void shift_selection_check_pre(bool);
	void shift_selection_check_post(bool);

	void selection_clear();
	void selection_fill_at_cursor();
	void selection_delete();
	void set_window_pos(int p_pos);

	void set_cursor_at_pixel_pos(int p_x);

	void clear_internal();
	void changed_internal();

	void copy_text();
	void cut_text();
	void paste_text();


	void _input_event(InputEvent p_event);
	void _notification(int p_what);

protected:
	static void _bind_methods();
public:
	void set_align(Align p_align);
	Align get_align() const;

	virtual Variant get_drag_data(const Point2& p_point);
	virtual bool can_drop_data(const Point2& p_point,const Variant& p_data) const;
	virtual void drop_data(const Point2& p_point,const Variant& p_data);


	void select_all();

	void delete_char();
	void set_text(String p_text);
	String get_text() const;
	void set_cursor_pos(int p_pos);
	int get_cursor_pos() const;
	void set_max_length(int p_max_length);
	int get_max_length() const;
	void append_at_cursor(String p_text);
	void clear();


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

	void set_secret(bool p_secret);
	bool is_secret() const;

	void select(int p_from=0, int p_to=-1);

	virtual Size2 get_minimum_size() const;

    virtual bool is_text_field() const;
	LineEdit();
	~LineEdit();

};


VARIANT_ENUM_CAST(LineEdit::Align);

#endif