livetrax/libs/gtkmm2/pango/pangomm/attrlist.h

// -*- c++ -*-
// Generated by gtkmmproc -- DO NOT MODIFY!
#ifndef _PANGOMM_ATTRLIST_H
#define _PANGOMM_ATTRLIST_H


#include <glibmm.h>

/* $Id$ */

/* attrlist.h
 *
 * Copyright (C) 1998-1999 The gtkmm Development Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <pangomm/attributes.h>
#include <pangomm/attriter.h>


#ifndef DOXYGEN_SHOULD_SKIP_THIS
extern "C" { typedef struct _PangoAttrList PangoAttrList; }
#endif

namespace Pango
{

/** A Pango::AttrList represents a list of attributes that apply to a section of text.
 * The attributes are, in general, allowed to overlap in an arbitrary fashion, however,
 * if the attributes are manipulated only through Pango::AttrList::change(), the overlap between properties will meet stricter criteria.
 *
 * Since the Pango::AttrList structure is stored as a linear list, it is not suitable for storing attributes for large amounts of text.
 * In general, you should not use a single Pango::AttrList for more than one paragraph of text.
 *
 * When obtaining an AttrList, you should check that it is valid. For instance, if(attrlist).
 */
class AttrList
{
  public:
#ifndef DOXYGEN_SHOULD_SKIP_THIS
  typedef AttrList CppObjectType;
  typedef PangoAttrList BaseObjectType;

  static GType get_type() G_GNUC_CONST;
#endif /* DOXYGEN_SHOULD_SKIP_THIS */

  AttrList();

  explicit AttrList(PangoAttrList* gobject, bool make_a_copy = true);

  AttrList(const AttrList& other);
  AttrList& operator=(const AttrList& other);

  ~AttrList();

  void swap(AttrList& other);

  ///Provides access to the underlying C instance.
  PangoAttrList*       gobj()       { return gobject_; }

  ///Provides access to the underlying C instance.
  const PangoAttrList* gobj() const { return gobject_; }

  ///Provides access to the underlying C instance. The caller is responsible for freeing it. Use when directly setting fields in structs.
  PangoAttrList* gobj_copy() const;

protected:
  PangoAttrList* gobject_;

private:

  
public:
  /** Constructs an attribute list by parsing a marked-up text (see markup format).
   * If @a accel_marker is nonzero, the given character will mark the character
   * following it as an accelerator. For example, the accel marker might be an
   * ampersand or underscore. All characters marked as an accelerator will receive
   * a Pango::UNDERLINE_LOW attribute.
   * Two @a accel_marker characters following each other
   * produce a single literal @a accel_marker character.
   *
   * @param markup_text Markup to parse (see markup format).
   * @param accel_marker Character that precedes an accelerator, or <tt>0</tt> for none.
   */
  explicit AttrList(const Glib::ustring& markup_text, gunichar accel_marker=0);

  /** Constructs an attribute list by parsing a marked-up text (see markup format).
   * @a text is set to the plaintext string.
   * If @a accel_marker is nonzero, the given character will mark the character 
   * following it as an accelerator. For example, the accel marker might be an 
   * ampersand or underscore. All characters marked as an accelerator will receive
   * a Pango::UNDERLINE_LOW attribute. The first character so marked will be 
   * returned in @a accel_char. Two @a accel_marker characters following each other 
   * produce a single literal @a accel_marker character.
   *
   * @param markup_text Markup to parse (see markup format).
   * @param accel_marker Character that precedes an accelerator, or <tt>0</tt> for none.
   * @param text Return location for text with tags stripped.
   * @param accel_char Return location for accelerator char.
   */
  AttrList(const Glib::ustring& markup_text, gunichar accel_marker, Glib::ustring& text, gunichar& accel_char);

  ///Tests whether the AttrList is valid.
  operator bool();

  void insert(Attribute& attr);
   // hand code because we need to pass a copy of the attribute
  void insert_before(Attribute& attr);
   // hand code because we need to pass a copy of the attribute
  void change(Attribute& attr);
   // hand code because we need to pass a copy of the attribute
  
  /** This function opens up a hole in @a list , fills it in with attributes from
   * the left, and then merges @a other  on top of the hole.
   * 
   * This operation is equivalent to stretching every attribute
   * that applies at position @a pos  in @a list  by an amount @a len ,
   * and then calling pango_attr_list_change() with a copy
   * of each attribute in @a other  in sequence (offset in position by @a pos ).
   * 
   * This operation proves useful for, for instance, inserting
   * a pre-edit string in the middle of an edit buffer.
   * @param other Another Pango::AttrList.
   * @param pos The position in @a list  at which to insert @a other .
   * @param len The length of the spliced segment. (Note that this
   * must be specified since the attributes in @a other 
   * may only be present at some subsection of this range).
   */
  void splice(AttrList& other, int pos, int len);
  
  /** Create a iterator initialized to the beginning of the list.
   *  @a list  must not be modified until this iterator is freed.
   * @return The newly allocated Pango::AttrIterator, which should
   * be freed with pango_attr_iterator_destroy().
   */
  AttrIter get_iter();

  //TODO: Though it doesn't seem important:
  //PangoAttrList* pango_attr_list_filter (PangoAttrList* list, PangoAttrFilterFunc  func, gpointer             data)


};

} //namespace Pango


namespace Pango
{

/** @relates Pango::AttrList
 * @param lhs The left-hand side
 * @param rhs The right-hand side
 */
inline void swap(AttrList& lhs, AttrList& rhs)
  { lhs.swap(rhs); }

} // namespace Pango

namespace Glib
{

/** A Glib::wrap() method for this object.
 * 
 * @param object The C instance.
 * @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
 * @result A C++ instance that wraps this C instance.
 *
 * @relates Pango::AttrList
 */
Pango::AttrList wrap(PangoAttrList* object, bool take_copy = false);

#ifndef DOXYGEN_SHOULD_SKIP_THIS
template <>
class Value<Pango::AttrList> : public Glib::Value_Boxed<Pango::AttrList>
{};
#endif /* DOXYGEN_SHOULD_SKIP_THIS */

} // namespace Glib


#endif /* _PANGOMM_ATTRLIST_H */