// TextBuffer.custom - customizations to Gtk.TextBuffer.
// 
// Authors:  Mike Kestner  <mkestner@ximian.com>
//
// Copyright (c) 2004  Novell, Inc.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser GNU General 
// Public License as published by the Free Software Foundation.
//
// 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser 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.


[DllImport("libgtk-win32-2.0-0.dll")]
static extern void gtk_text_buffer_set_text (IntPtr raw, IntPtr text, int len);

public string Text {
	get {
		return GetText (StartIter, EndIter, false);
	}
	set {
		IntPtr native = GLib.Marshaller.StringToPtrGStrdup (value);
		gtk_text_buffer_set_text (Handle, native, -1);
		GLib.Marshaller.Free (native);
	}
}

public void Clear ()
{
	Gtk.TextIter start = StartIter, end = EndIter;
	Delete (ref start, ref end);
}

// overload to paste clipboard contents at cursor editable by default.
[DllImport("libgtk-win32-2.0-0.dll")]
static extern void gtk_text_buffer_paste_clipboard (IntPtr raw, IntPtr clip, IntPtr iter, bool default_edit);

public void PasteClipboard (Gtk.Clipboard clipboard)
{
	gtk_text_buffer_paste_clipboard(Handle, clipboard.Handle, IntPtr.Zero, true);
}

[DllImport("libgtk-win32-2.0-0.dll")]
static extern void gtk_text_buffer_insert (IntPtr raw, ref Gtk.TextIter iter, IntPtr text, int len);

public void Insert (ref Gtk.TextIter iter, string text)
{
	IntPtr native = GLib.Marshaller.StringToPtrGStrdup (text);
	gtk_text_buffer_insert (Handle, ref iter, native, -1);
	GLib.Marshaller.Free (native);
}

public void InsertWithTags (ref TextIter iter, string text, params TextTag[] tags)
{
	TextIter start;
	int offset = iter.Offset;
	Insert (ref iter, text);

	start = GetIterAtOffset (offset);
	iter = GetIterAtOffset (offset + text.Length);

	foreach (TextTag t in tags)
		this.ApplyTag (t, start, iter);
}

public void InsertWithTagsByName (ref TextIter iter, string text, params string[] tagnames)
{
	TextIter start;
	int offset = iter.Offset;
	Insert (ref iter, text);

	start = GetIterAtOffset (offset);
	iter = GetIterAtOffset (offset + text.Length);

	foreach (string tagname in tagnames) {
		TextTag tag = TagTable.Lookup (tagname);
		if (tag != null)
			this.ApplyTag (tag, start, iter);
	}
}

[Obsolete("Use the TextBuffer.Text property's setter")]
public void SetText (string text)
{
	Text = text;
}

[DllImport("libgtk-win32-2.0-0.dll")]
static extern bool gtk_text_buffer_insert_interactive(IntPtr raw, ref Gtk.TextIter iter, IntPtr text, int len, bool default_editable);

public bool InsertInteractive(ref Gtk.TextIter iter, string text, bool default_editable)
{
	IntPtr native = GLib.Marshaller.StringToPtrGStrdup (text);
	bool result = gtk_text_buffer_insert_interactive(Handle, ref iter, native, -1, default_editable);
	GLib.Marshaller.Free (native);
	return result;
}

[DllImport("libgtk-win32-2.0-0.dll")]
static extern bool gtk_text_buffer_insert_interactive_at_cursor(IntPtr raw, IntPtr text, int len, bool default_editable);

public bool InsertInteractiveAtCursor(string text, bool default_editable) 
{
	IntPtr native = GLib.Marshaller.StringToPtrGStrdup (text);
	bool result = gtk_text_buffer_insert_interactive_at_cursor(Handle, native, -1, default_editable);
	GLib.Marshaller.Free (native);
	return result;
}

[DllImport("libgtk-win32-2.0-0.dll")]
static extern void gtk_text_buffer_insert_at_cursor(IntPtr raw, IntPtr text, int len);

public void InsertAtCursor(string text) 
{
	IntPtr native = GLib.Marshaller.StringToPtrGStrdup (text);
	gtk_text_buffer_insert_at_cursor(Handle, native, -1);
	GLib.Marshaller.Free (native);
}