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git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf
600 lines
21 KiB
C++
600 lines
21 KiB
C++
// -*- c++ -*-
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/* $Id: textbuffer.ccg,v 1.8 2006/11/20 09:19:49 murrayc Exp $ */
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/* Copyright(C) 1998-2002 The gtkmm Development Team
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <gtk/gtktextbuffer.h>
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#include <gtk/gtktextbufferrichtext.h>
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#include <glib/gslist.h>
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#include <gtkmm/textmark.h>
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#include <gtkmm/textiter.h>
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/*
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static guint8* SignalProxy_Serialize(GtkTextBuffer* , GtkTextBuffer* content_buffer,
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const GtkTextIter* start, const GtkTextIter* end,
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gsize* length,
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gpointer user_data)
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{
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Gtk::TextBuffer::SlotSerialize* the_slot = static_cast<Gtk::TextBuffer::SlotSerialize*>(user_data);
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#ifdef GLIBMM_EXCEPTIONS_ENABLED
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try
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{
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#endif //GLIBMM_EXCEPTIONS_ENABLED
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return (*the_slot)(Glib::wrap(content_buffer), Glib::wrap(start), Glib::wrap(end), *length);
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#ifdef GLIBMM_EXCEPTIONS_ENABLED
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}
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catch(...)
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{
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Glib::exception_handlers_invoke();
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}
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return 0; // arbitrary value
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#endif //GLIBMM_EXCEPTIONS_ENABLED
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}
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static void SignalProxy_Serialize_gtk_callback_destroy(void* user_data)
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{
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delete static_cast<Gtk::TextBuffer::SlotSerialize*>(user_data);
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}
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static gboolean SignalProxy_Deserialize(GtkTextBuffer* , GtkTextBuffer* content_buffer,
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GtkTextIter* iter, const guint8* data,
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gsize length, gboolean create_tags,
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gpointer user_data,
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GError** )
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{
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Gtk::TextBuffer::SlotDeserialize* the_slot = static_cast<Gtk::TextBuffer::SlotDeserialize*>(user_data);
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#ifdef GLIBMM_EXCEPTIONS_ENABLED
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try
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{
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#endif //GLIBMM_EXCEPTIONS_ENABLED
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(*the_slot)(Glib::wrap(content_buffer, true), Glib::wrap(iter), data, length, create_tags);
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#ifdef GLIBMM_EXCEPTIONS_ENABLED
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}
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catch(...)
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{
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//TODO: Fill the error parameter.
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Glib::exception_handlers_invoke();
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}
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return 0; // arbitrary value
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#endif //GLIBMM_EXCEPTIONS_ENABLED
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}
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static void SignalProxy_Deserialize_gtk_callback_destroy(void* user_data)
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{
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delete static_cast<Gtk::TextBuffer::SlotDeserialize*>(user_data);
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}
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*/
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namespace Gtk
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{
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typedef TextChildAnchor ChildAnchor; //Help the code-generator so that it does not have to fully qualify this type in the .cc file.
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TextBuffer::TextBuffer(const Glib::RefPtr<TagTable>& tag_table)
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:
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_CONSTRUCT("tag_table", Glib::unwrap(tag_table))
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{}
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Glib::RefPtr<TextBuffer::Tag> TextBuffer::create_tag(const Glib::ustring& tag_name)
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{
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//gtk_text_buffer_create_tag takes a varargs list of property names and values.
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//gtkmm coders should use the Tag.set_* method instead.
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return Glib::wrap(gtk_text_buffer_create_tag(gobj(), tag_name.c_str(), (char*)0), true); //true = take_copy.
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//We have to take a copy because gtk_text_buffer_create_tag() doesn't ref for us, for no real reason.
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}
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Glib::RefPtr<TextBuffer::Tag> TextBuffer::create_tag()
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{
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//gtk_text_buffer_create_tag takes a varargs list of property names and values.
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//gtkmm coders should use the Tag.set_* method instead.
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return Glib::wrap(gtk_text_buffer_create_tag(gobj(), (const char*)0, (char*)0), true); //true = take_copy.
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//We have to take a copy because gtk_text_buffer_create_tag() doesn't ref for us, for no real reason.
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}
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Glib::RefPtr<TextBuffer::Mark>
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TextBuffer::create_mark(const TextBuffer::iterator& where, bool left_gravity)
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{
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return Glib::wrap(gtk_text_buffer_create_mark(
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gobj(), 0, const_cast<GtkTextIter*>(where.gobj()), left_gravity),
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true); // acquire reference
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}
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TextBuffer::iterator TextBuffer::get_iter_at_line_offset(int line_number, int char_offset)
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{
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iterator iter;
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gtk_text_buffer_get_iter_at_line_offset(gobj(), iter.gobj(), line_number, char_offset);
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return iter;
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}
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TextBuffer::iterator TextBuffer::get_iter_at_line_index(int line_number, int byte_index)
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{
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iterator iter;
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gtk_text_buffer_get_iter_at_line_index(gobj(), iter.gobj(), line_number, byte_index);
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return iter;
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}
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TextBuffer::iterator TextBuffer::get_iter_at_offset(int char_offset)
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{
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iterator iter;
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gtk_text_buffer_get_iter_at_offset(gobj(), iter.gobj(), char_offset);
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return iter;
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}
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TextBuffer::iterator TextBuffer::get_iter_at_line(int line_number)
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{
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iterator iter;
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gtk_text_buffer_get_iter_at_line(gobj(), iter.gobj(), line_number);
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return iter;
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}
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TextBuffer::iterator TextBuffer::begin()
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{
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iterator iter;
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gtk_text_buffer_get_start_iter(gobj(), iter.gobj());
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return iter;
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}
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TextBuffer::iterator TextBuffer::end()
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{
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iterator iter;
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gtk_text_buffer_get_end_iter(gobj(), iter.gobj());
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return iter;
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}
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void TextBuffer::get_bounds(iterator& range_begin, iterator& range_end)
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{
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gtk_text_buffer_get_bounds(gobj(), range_begin.gobj(), range_end.gobj());
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}
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TextBuffer::iterator TextBuffer::get_iter_at_mark(const Glib::RefPtr<Mark>& mark)
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{
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iterator iter;
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gtk_text_buffer_get_iter_at_mark(gobj(), iter.gobj(), mark->gobj());
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return iter;
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}
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void TextBuffer::set_text(const Glib::ustring& text)
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{
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gtk_text_buffer_set_text(gobj(), text.data(), text.bytes());
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}
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void TextBuffer::set_text(const char* text_begin, const char* text_end)
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{
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gtk_text_buffer_set_text(gobj(), text_begin, text_end - text_begin);
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}
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_DEPRECATE_IFDEF_START
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void TextBuffer::assign(const Glib::ustring& text)
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{
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gtk_text_buffer_set_text(gobj(), text.data(), text.bytes());
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}
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void TextBuffer::assign(const char* text_begin, const char* text_end)
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{
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gtk_text_buffer_set_text(gobj(), text_begin, text_end - text_begin);
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}
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_DEPRECATE_IFDEF_END
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TextBuffer::iterator TextBuffer::insert(const iterator& pos, const Glib::ustring& text)
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{
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// gtk_text_buffer_insert() modifies the iterator, but that's not the
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// STL way so we give it something that we don't mind it modifying.
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iterator iterCopy (pos);
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gtk_text_buffer_insert(gobj(), iterCopy.gobj(), text.data(), text.bytes());
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// According to the gtk_text_buffer_insert() docs, the "default signal handler
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// revalidates it to point to the end of the inserted text".
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return iterCopy;
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}
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TextBuffer::iterator TextBuffer::insert(const iterator& pos, const char* text_begin, const char* text_end)
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{
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// gtk_text_buffer_insert() modifies the iterator, but that's not the
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// STL way so we give it something that we don't mind it modifying.
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iterator iterCopy (pos);
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gtk_text_buffer_insert(gobj(), iterCopy.gobj(), text_begin, text_end - text_begin);
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// According to the gtk_text_buffer_insert() docs, the "default signal handler
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// revalidates it to point to the end of the inserted text".
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return iterCopy;
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}
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TextBuffer::iterator TextBuffer::insert_pixbuf(const iterator& pos, const Glib::RefPtr<Gdk::Pixbuf>& pixbuf)
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{
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iterator iterCopy (pos);
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gtk_text_buffer_insert_pixbuf(gobj(), iterCopy.gobj(), pixbuf->gobj());
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return iterCopy;
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}
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TextBuffer::iterator TextBuffer::insert_child_anchor(const iterator& pos,
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const Glib::RefPtr<ChildAnchor>& anchor)
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{
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// Copy the iterator. It might be changed because it is used as a signal parameter internally.
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iterator iterCopy (pos);
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gtk_text_buffer_insert_child_anchor(gobj(), iterCopy.gobj(), Glib::unwrap(anchor));
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return iterCopy;
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}
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Glib::RefPtr<ChildAnchor> TextBuffer::create_child_anchor(const iterator& pos)
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{
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// Copy the iterator. It might be changed because it is used as a signal parameter internally.
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iterator iterCopy (pos);
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return Glib::wrap(gtk_text_buffer_create_child_anchor(gobj(), iterCopy.gobj()),
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true); // The function does not do a ref for us.
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}
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void TextBuffer::insert_at_cursor(const Glib::ustring& text)
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{
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gtk_text_buffer_insert_at_cursor(gobj(), text.data(), text.bytes());
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}
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void TextBuffer::insert_at_cursor(const char* text_begin, const char* text_end)
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{
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gtk_text_buffer_insert_at_cursor(gobj(), text_begin, text_end - text_begin);
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}
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std::pair<TextBuffer::iterator,bool>
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TextBuffer::insert_interactive(const iterator& pos, const Glib::ustring& text, bool default_editable)
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{
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// Since we have to copy the iterator anyway we can as well create the
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// std::pair now. That saves another copy later (mind you, TextIter is
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// a heavy struct), and allows modern compilers to apply the return value
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// optimization.
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std::pair<iterator,bool> pair_iter_success (pos, false);
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pair_iter_success.second = gtk_text_buffer_insert_interactive(
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gobj(), pair_iter_success.first.gobj(), text.data(), text.bytes(), default_editable);
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return pair_iter_success;
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}
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std::pair<TextBuffer::iterator,bool>
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TextBuffer::insert_interactive(const iterator& pos, const char* text_begin, const char* text_end,
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bool default_editable)
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{
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// Since we have to copy the iterator anyway we can as well create the
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// std::pair now. That saves another copy later (mind you, TextIter is
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// a heavy struct), and allows modern compilers to apply the return value
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// optimization.
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std::pair<iterator,bool> pair_iter_success (pos, false);
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pair_iter_success.second = gtk_text_buffer_insert_interactive(
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gobj(), pair_iter_success.first.gobj(), text_begin, text_end - text_begin, default_editable);
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return pair_iter_success;
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}
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bool TextBuffer::insert_interactive_at_cursor(const Glib::ustring& text, bool default_editable)
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{
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return gtk_text_buffer_insert_interactive_at_cursor(
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gobj(), text.data(), text.bytes(), default_editable);
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}
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bool TextBuffer::insert_interactive_at_cursor(const char* text_begin, const char* text_end,
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bool default_editable)
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{
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return gtk_text_buffer_insert_interactive_at_cursor(
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gobj(), text_begin, text_end - text_begin, default_editable);
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}
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TextBuffer::iterator TextBuffer::insert_with_tag(const iterator& pos, const Glib::ustring& text,
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const Glib::RefPtr<Tag>& tag)
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{
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// gtk_text_buffer_insert_with_tags() invalidates the iterator, but this lets us recreate it later.
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const int offset = pos.get_offset();
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iterator iterCopy (pos);
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gtk_text_buffer_insert_with_tags(
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gobj(), iterCopy.gobj(), text.data(), text.bytes(), tag->gobj(), (GtkTextTag*)0);
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return get_iter_at_offset(offset + text.size());
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}
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TextBuffer::iterator TextBuffer::insert_with_tag(const iterator& pos,
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const char* text_begin, const char* text_end,
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const Glib::RefPtr<Tag>& tag)
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{
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// gtk_text_buffer_insert_with_tags() invalidates the iterator, but this lets us recreate it later.
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const int offset = pos.get_offset();
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iterator iterCopy (pos);
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gtk_text_buffer_insert_with_tags(
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gobj(), iterCopy.gobj(), text_begin, text_end - text_begin, tag->gobj(), (GtkTextTag*)0);
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return get_iter_at_offset(offset + (text_end - text_begin));
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}
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TextBuffer::iterator TextBuffer::insert_with_tag(const iterator& pos, const Glib::ustring& text,
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const Glib::ustring& tag_name)
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{
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// gtk_text_buffer_insert_with_tags() invalidates the iterator, but this lets us recreate it later.
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const int offset = pos.get_offset();
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iterator iterCopy (pos);
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gtk_text_buffer_insert_with_tags_by_name(
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gobj(), iterCopy.gobj(), text.data(), text.bytes(), tag_name.c_str(), (char*)0);
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return get_iter_at_offset(offset + text.size());
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}
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TextBuffer::iterator TextBuffer::insert_with_tag(const iterator& pos,
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const char* text_begin, const char* text_end,
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const Glib::ustring& tag_name)
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{
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// gtk_text_buffer_insert_with_tags() invalidates the iterator, but this lets us recreate it later.
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const int offset = pos.get_offset();
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iterator iterCopy (pos);
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gtk_text_buffer_insert_with_tags_by_name(
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gobj(), iterCopy.gobj(), text_begin, text_end - text_begin, tag_name.c_str(), (char*)0);
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return get_iter_at_offset(offset + (text_end - text_begin));
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}
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TextBuffer::iterator TextBuffer::insert_with_tags(const iterator& pos, const Glib::ustring& text,
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const Glib::ArrayHandle< Glib::RefPtr<Tag> >& tags)
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{
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const char *const text_begin = text.data();
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return insert_with_tags(pos, text_begin, text_begin + text.bytes(), tags);
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}
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TextBuffer::iterator TextBuffer::insert_with_tags(const iterator& pos,
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const char* text_begin, const char* text_end,
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const Glib::ArrayHandle< Glib::RefPtr<Tag> >& tags)
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{
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const int start_offset = pos.get_offset();
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iterator range_end (insert(pos, text_begin, text_end));
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GtkTextIter range_begin;
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gtk_text_buffer_get_iter_at_offset(gobj(), &range_begin, start_offset);
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//This was GtkTextTag* const * const, but the SUN Forte compiler said that it couldn't convert to that. murrayc
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const GtkTextTag* const* tags_begin = tags.data();
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const GtkTextTag* const* tags_end = tags_begin + tags.size();
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//TODO: Investigate if this const_cast<> is really necessary.
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//I added it for the SUN Forte compiler. murrayc.
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for(GtkTextTag *const * ptag = const_cast<GtkTextTag* const *>(tags_begin); ptag != const_cast<GtkTextTag* const *>(tags_end);
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++ptag)
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{
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gtk_text_buffer_apply_tag(gobj(), *ptag, &range_begin, range_end.gobj());
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}
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return range_end;
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}
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TextBuffer::iterator TextBuffer::insert_with_tags_by_name(const iterator& pos, const Glib::ustring& text,
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const Glib::ArrayHandle<Glib::ustring>& tag_names)
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{
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const char *const text_begin = text.data();
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return insert_with_tags_by_name(pos, text_begin, text_begin + text.bytes(), tag_names);
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}
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TextBuffer::iterator TextBuffer::insert_with_tags_by_name(const iterator& pos,
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const char* text_begin, const char* text_end,
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const Glib::ArrayHandle<Glib::ustring>& tag_names)
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{
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// gtk_buffer_insert_with_tags_by_name() is a convenience wrapper, so it's kind of OK to reimplement it:
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const int start_offset = pos.get_offset();
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iterator range_end (insert(pos, text_begin, text_end));
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GtkTextIter range_begin;
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gtk_text_buffer_get_iter_at_offset(gobj(), &range_begin, start_offset);
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GtkTextTagTable *const tag_table = gtk_text_buffer_get_tag_table(gobj());
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const char *const *const names_begin = tag_names.data();
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const char *const *const names_end = names_begin + tag_names.size();
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for(const char *const * pname = names_begin; pname != names_end; ++pname)
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{
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if(GtkTextTag *const tag = gtk_text_tag_table_lookup(tag_table, *pname))
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{
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gtk_text_buffer_apply_tag(gobj(), tag, &range_begin, range_end.gobj());
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}
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else
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{
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g_warning("Gtk::TextBuffer::insert_with_tags_by_name(): no tag with name '%s'!", *pname);
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}
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}
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return range_end;
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}
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TextBuffer::iterator TextBuffer::insert(const iterator& pos,
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const iterator& range_begin, const iterator& range_end)
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{
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iterator iterCopy (pos);
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gtk_text_buffer_insert_range(gobj(), iterCopy.gobj(), range_begin.gobj(), range_end.gobj());
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return iterCopy;
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}
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std::pair<TextBuffer::iterator,bool>
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TextBuffer::insert_interactive(const iterator& pos, const iterator& range_begin,
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const iterator& range_end, bool default_editable)
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{
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// Since we have to copy the iterator anyway we can as well create the
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// std::pair now. That saves another copy later (mind you, TextIter is
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// a heavy struct), and allows modern compilers to apply the return value
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// optimization.
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std::pair<iterator,bool> pair_iter_success (pos, false);
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pair_iter_success.second = gtk_text_buffer_insert_range_interactive(
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gobj(), pair_iter_success.first.gobj(), range_begin.gobj(), range_end.gobj(), default_editable);
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return pair_iter_success;
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}
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TextBuffer::iterator TextBuffer::erase(const iterator& range_begin, const iterator& range_end)
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{
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// GTK+ sets the iterators to where the deletion occured. We do it the STL way and therefore need copies.
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iterator beginCopy (range_begin);
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iterator endCopy (range_end);
|
|
gtk_text_buffer_delete(gobj(), beginCopy.gobj(), endCopy.gobj());
|
|
return beginCopy;
|
|
}
|
|
|
|
TextBuffer::iterator TextBuffer::backspace(const iterator& iter, bool interactive, bool default_editable)
|
|
{
|
|
// GTK+ sets the iterators to where the deletion occured. We do it the STL way and therefore need copies.
|
|
iterator copy(iter);
|
|
gtk_text_buffer_backspace(gobj(), copy.gobj(), interactive, default_editable);
|
|
return copy;
|
|
}
|
|
|
|
_IGNORE(gtk_text_buffer_backspace)
|
|
|
|
std::pair<TextBuffer::iterator,bool>
|
|
TextBuffer::erase_interactive(const iterator& range_begin, const iterator& range_end,
|
|
bool default_editable)
|
|
{
|
|
// Since we have to copy the iterator anyway we can as well create the
|
|
// std::pair now. That saves another copy later (mind you, TextIter is
|
|
// a heavy struct), and allows modern compilers to apply the return value
|
|
// optimization.
|
|
std::pair<iterator,bool> pair_iter_success (range_begin, false);
|
|
|
|
// GTK+ sets the iterators to where the deletion occured.
|
|
// We do it the STL way and therefore need copies.
|
|
iterator endCopy (range_end);
|
|
|
|
pair_iter_success.second = gtk_text_buffer_delete_interactive(
|
|
gobj(), pair_iter_success.first.gobj(), endCopy.gobj(), default_editable);
|
|
|
|
return pair_iter_success;
|
|
}
|
|
|
|
void TextBuffer::paste_clipboard(const Glib::RefPtr<Clipboard>& clipboard, const iterator& override_location,
|
|
bool default_editable)
|
|
{
|
|
gtk_text_buffer_paste_clipboard(gobj(), clipboard->gobj(),
|
|
const_cast<GtkTextIter*>(override_location.gobj()), default_editable);
|
|
}
|
|
|
|
void TextBuffer::paste_clipboard(const Glib::RefPtr<Clipboard>& clipboard, bool default_editable)
|
|
{
|
|
gtk_text_buffer_paste_clipboard(gobj(), clipboard->gobj(), 0, default_editable);
|
|
}
|
|
|
|
TextBuffer::iterator TextBuffer::get_iter_at_child_anchor(const Glib::RefPtr<ChildAnchor>& anchor)
|
|
{
|
|
iterator iter;
|
|
gtk_text_buffer_get_iter_at_child_anchor(gobj(), iter.gobj(), anchor->gobj());
|
|
return iter;
|
|
}
|
|
|
|
int TextBuffer::size() const
|
|
{
|
|
return get_char_count();
|
|
}
|
|
|
|
//This is not public API:
|
|
//(and it is copy/pasted from clipboard.ccg)
|
|
typedef std::list<Glib::ustring> listStrings;
|
|
static listStrings util_convert_atoms_to_strings(GdkAtom* targets, int n_targets)
|
|
{
|
|
listStrings listTargets;
|
|
|
|
//Add the targets to the C++ container:
|
|
for(int i = 0; i < n_targets; i++)
|
|
{
|
|
//Convert the atom to a string:
|
|
char* atom_name = gdk_atom_name(targets[i]);
|
|
if(atom_name)
|
|
{
|
|
listTargets.push_back( Glib::ustring(atom_name) );
|
|
g_free(atom_name);
|
|
}
|
|
}
|
|
|
|
return listTargets;
|
|
}
|
|
|
|
Glib::ustring TextBuffer::get_text(bool include_hidden_chars)
|
|
{
|
|
return get_text(begin(), end(), include_hidden_chars);
|
|
}
|
|
|
|
Glib::StringArrayHandle TextBuffer::get_serialize_formats() const
|
|
{
|
|
int n_atoms = 0;
|
|
GdkAtom* atoms = gtk_text_buffer_get_serialize_formats(const_cast<GtkTextBuffer*>(gobj()), &n_atoms);
|
|
return util_convert_atoms_to_strings(atoms, n_atoms);
|
|
}
|
|
|
|
Glib::StringArrayHandle TextBuffer::get_deserialize_formats() const
|
|
{
|
|
int n_atoms = 0;
|
|
GdkAtom* atoms = gtk_text_buffer_get_deserialize_formats(const_cast<GtkTextBuffer*>(gobj()), &n_atoms);
|
|
return util_convert_atoms_to_strings(atoms, n_atoms);
|
|
}
|
|
|
|
/*
|
|
Glib::ustring TextBuffer::register_serialize_format(const Glib::ustring& mime_type, const SlotSerialize& slot)
|
|
{
|
|
SlotSerialize* slot_copy = new SlotSerialize(slot);
|
|
GdkAtom atom = gtk_text_buffer_register_serialize_format(gobj(), mime_type.c_str(),
|
|
&SignalProxy_Serialize, slot_copy, &SignalProxy_Serialize_gtk_callback_destroy);
|
|
|
|
//Convert the atom to a string:
|
|
Glib::ustring atom_as_string;
|
|
char* atom_name = gdk_atom_name(atom);
|
|
if(atom_name)
|
|
{
|
|
atom_as_string = atom_name;
|
|
g_free(atom_name);
|
|
}
|
|
|
|
return atom_as_string;
|
|
}
|
|
|
|
Glib::ustring TextBuffer::register_deserialize_format(const Glib::ustring& mime_type, const SlotDeserialize& slot)
|
|
{
|
|
SlotDeserialize* slot_copy = new SlotDeserialize(slot);
|
|
GdkAtom atom = gtk_text_buffer_register_deserialize_format(gobj(), mime_type.c_str(),
|
|
&SignalProxy_Deserialize, slot_copy, &SignalProxy_Deserialize_gtk_callback_destroy);
|
|
|
|
//Convert the atom to a string:
|
|
Glib::ustring atom_as_string;
|
|
char* atom_name = gdk_atom_name(atom);
|
|
if(atom_name)
|
|
{
|
|
atom_as_string = atom_name;
|
|
g_free(atom_name);
|
|
}
|
|
|
|
return atom_as_string;
|
|
}
|
|
*/
|
|
|
|
#ifdef GTKMM_MAEMO_EXTENSIONS_ENABLED
|
|
void TextBuffer::set_rich_text_format_all()
|
|
{
|
|
gtk_text_buffer_set_rich_text_format(gobj(), NULL);
|
|
}
|
|
#endif //GTKMM_MAEMO_EXTENSIONS_ENABLED
|
|
|
|
} // namespace Gtk
|
|
|