rt-thread/components/rtgui/include/rtgui/widgets/textview.h

/*
 * File      : textview.h
 * This file is part of RT-Thread RTOS
 * COPYRIGHT (C) 2006 - 2011, RT-Thread Development Team
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rt-thread.org/license/LICENSE
 *
 * Change Logs:
 * Date           Author       Notes
 * 2011-03-05     Bernard      first version
 */
#ifndef __RTGUI_TEXTVIEW_H__
#define __RTGUI_TEXTVIEW_H__

#include <rtgui/widgets/widget.h>

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @defgroup rtgui_textview
 * @{
 */

DECLARE_CLASS_TYPE(textview);

/** Gets the type of a textview */
#define RTGUI_TEXTVIEW_TYPE       (RTGUI_TYPE(textview))
/** Casts the object to an rtgui_textview */
#define RTGUI_TEXTVIEW(obj)       (RTGUI_OBJECT_CAST((obj), RTGUI_TEXTVIEW_TYPE, rtgui_textview_t))
/** Checks if the object is an rtgui_textview */
#define RTGUI_IS_TEXTVIEW(obj)    (RTGUI_OBJECT_CHECK_TYPE((obj), RTGUI_TEXTVIEW_TYPE))

/*
 * the textview widget
 */
struct rtgui_textview
{
	/* inherit from widget */
	struct rtgui_widget parent;

	rt_uint16_t line_width;
	rt_uint16_t line_count;

	char* lines;

	rt_int16_t line_current;
	rt_uint16_t line_page_count;
};
typedef struct rtgui_textview rtgui_textview_t;

rtgui_textview_t* rtgui_textview_create(const char* text, const rtgui_rect_t *rect);
void rtgui_textview_destroy(rtgui_textview_t* textview);

rt_bool_t rtgui_textview_event_handler(struct rtgui_widget* widget, struct rtgui_event* event);
void rtgui_textview_set_text(rtgui_textview_t* textview, const char* text);

/** @} */

#ifdef __cplusplus
}
#endif

#endif