widget.h

一个Windows下的Linux专用虚拟机

/*
 * This source code is a part of coLinux source package.
 *
 * Dan Aloni <[e-mail]>, 2003 (c)
 * Ballard, Jonathan H.  <[e-mail]>, 2004 (c)
 *
 * The code is licensed under the GPL. See the COPYING file at
 * the root directory.
 *
 */

#ifndef __COLINUX_USER_CONSOLE_WIDGET_H__
#define __COLINUX_USER_CONSOLE_WIDGET_H__

extern "C" {
#include <colinux/common/console.h>
}

class console_widget_t {
public:
	console_widget_t();
	virtual ~console_widget_t() = 0;

	void set_console(co_console_t * _console);
	co_rc_t event(co_console_message_t *message);
	void redraw();

	virtual co_rc_t loop() = 0;
	virtual co_rc_t set_window(class console_window_t *) = 0;
	virtual void update() = 0;
	virtual co_rc_t title(const char *) = 0;
	virtual co_rc_t idle() = 0;

protected:
	class console_window_t *window;
	co_console_t *console;

	virtual void draw() = 0;

	virtual co_rc_t op_scroll_up(
		const co_console_unit &topRow,
		const co_console_unit &bottomRow,
		const co_console_unit &lines) = 0;
	virtual co_rc_t op_scroll_down(
		const co_console_unit &topRow,
		const co_console_unit &bottomRow,
		const co_console_unit &lines) = 0;
	virtual co_rc_t op_putcs(
		const co_console_unit &Y,
		const co_console_unit &X,
		const co_console_character *data,
		const co_console_unit &length) = 0;
	virtual co_rc_t op_putc(
		const co_console_unit &Y,
		const co_console_unit &X,
		const co_console_character &charattr) = 0;
	virtual co_rc_t op_cursor(
		const co_cursor_pos_t & position) = 0;
	virtual co_rc_t op_clear(
		const co_console_unit &T,
		const co_console_unit &L,
		const co_console_unit &B,
		const co_console_unit &R,
		const co_console_character charattr) = 0;
	virtual co_rc_t op_bmove(
		const co_console_unit &Y,
		const co_console_unit &X,
		const co_console_unit &T,
		const co_console_unit &L,
		const co_console_unit &B,
		const co_console_unit &R) = 0;
	virtual co_rc_t op_invert(
		const co_console_unit &Y,
		const co_console_unit &X,
		const co_console_unit &C) = 0;
};

extern "C" console_widget_t *co_console_widget_create();

#endif