* Use varargs in Canvas::print.

* Added min/max size to display::Window. Added flags for windows that
should be on located at the left/bottom side of a Frame.

* Reversed print order in WindowLog*.

* Added display::TextElement and subclasses for flexible printing to a
char buffer with associated attributes. Added display::Attributes and
display::Canvas::print_attributes.

* Added display::WindowText for use with display::TextElement's.

* Added ui::ElementMenu for generic menus, and started work adding
this to ui::Download.


git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@751 e378c898-3ddf-0310-93e7-cc216c733640

src/display/text_element.h

@@ -0,0 +1,58 @@
+// rTorrent - BitTorrent client
+// Copyright (C) 2005-2006, 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 <vector>
+
+#include "display/canvas.h"
+
+namespace display {
+
+class TextElement {
+public:
+  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, const char* last, Canvas::attributes_list* attributes, void* object) = 0;
+};
+
+}
+
+#endif