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rtorrent/src/display/text_element.h
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2019-08-23 23:25:24 +09:00

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// rTorrent - BitTorrent client
// Copyright (C) 2005-2011, Jari Sundell
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// In addition, as a special exception, the copyright holders give
// permission to link the code of portions of this program with the
// OpenSSL library under certain conditions as described in each
// individual source file, and distribute linked combinations
// including the two.
//
// You must obey the GNU General Public License in all respects for
// all of the code used other than OpenSSL. If you modify file(s)
// with this exception, you may extend this exception to your version
// of the file(s), but you are not obligated to do so. If you do not
// wish to do so, delete this exception statement from your version.
// If you delete this exception statement from all source files in the
// program, then also delete it here.
//
// Contact: Jari Sundell <jaris@ifi.uio.no>
//
// Skomakerveien 33
// 3185 Skoppum, NORWAY
#ifndef RTORRENT_DISPLAY_TEXT_ELEMENT_H
#define RTORRENT_DISPLAY_TEXT_ELEMENT_H
#include <cinttypes>
#include <vector>
#include "display/canvas.h"
#include "rpc/command_map.h"
namespace display {
class TextElement {
public:
typedef uint32_t extent_type;
static const extent_type extent_full = ~extent_type();
TextElement() {}
virtual ~TextElement() {}
// The last element must point to a valid memory location into which
// the caller must write a '\0' to terminate the c string. The
// attributes must contain at least one attribute.
virtual char* print(char* first, char* last, Canvas::attributes_list* attributes, rpc::target_type target) = 0;
virtual extent_type max_length() = 0;
static void push_attribute(Canvas::attributes_list* attributes, Attributes value);
private:
TextElement(const TextElement&);
void operator = (const TextElement&);
};
}
#endif