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eb4fdee774
* glib/Opaque.cs (Owned): new property saying whether or not gtk# owns the memory. (Opaque): Set Owned to true in the void ctor and false in the IntPtr one. (GetOpaque): add a new overload that can also create opaques, a la GLib.Object.GetObject. (Ref, Unref, Free): empty virtual methods to be overridden by subclasses. (set_Raw): Unref() and possibly Free() the old value, Ref() the new one. (~Opaque, Dispose): set Raw to IntPtr.Zero (triggering Free/Unref if needed) * parser/gapi2xml.pl (addReturnElem): if the method is named Copy and returns a pointer, set the "owned" attribute on the return-type. * */*-api.raw: Regen * generator/HandleBase.cs (FromNative): Add new FromNative/FromNativeReturn overloads that takes a "bool owned" param. Implement the 1-arg FromNative and FromNativeReturn in terms of that. * generator/ObjectBase.cs (FromNative): Implement HandleBase's new overload. Use the two-arg version of GLib.Object.GetObject when "owned" is true. * generator/OpaqueGen.cs (Generate): Pull out Ref, Unref, and Free/Destroy/Dispose methods and handle them specially by overriding Opaque.Ref, .Unref, and .Free appropriately. (If any of the methods are marked deprecated, output a deprecated do-nothing method as well, to save us from having to write all those deprecated methods by hand.) (FromNative): use GetOpaque, passing "owned". * generator/ReturnValue.cs (FromNative): if the value is a HandleBase, pass Owned to its FromNative(). * generator/Parameters.cs (Owned): new property (for use on out params) (FromNative): Call FromNative() on the generatable, handling Owned in the case of HandleBase. * generator/ManagedCallString.cs: * generator/MethodBody.cs: * generator/Signal.cs: use param.FromNative() rather than param.Generatable.FromNative(), to get ownership right. * */*.metadata: Mark opaque ref/unref/free methods deprecated (except where we were hiding them before). Add "owned" attributes to return values and out params as needed. * pango/AttrIterator.custom (GetFont): work around a memory-management oddity of the underlying method. * pango/AttrFontDesc.cs (AttrFontDesc): copy the passed-in FontDescriptor, since the attribute will assume ownership of it. * gtk/TreeView.custom (GetPathAtPos): set the "owned" flag on the returned TreePaths. * gtk/TargetList.custom: Remove refcounting stuff, which is now handled automatically * gtk/NodeStore.cs (GetPath): clear the Owned flag on the created TreePath so that the underlying structure doesn't get freed when the function returns * gtkhtml/HTMLStream.custom (Destroy): hide this and then reimplement it by hand to keep OpaqueGen from using it in Dispose(), since calling it after an HTMLStream.Close() will result in a crash. svn path=/trunk/gtk-sharp/; revision=47928
61 lines
2.3 KiB
Plaintext
61 lines
2.3 KiB
Plaintext
// Pango.AttrIterator.custom - Pango AttrIterator class customizations
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//
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// Author: Mike Kestner <mkestner@ximian.com>
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//
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// Copyright (c) 2004 Novell, Inc.
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//
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// This code is inserted after the automatically generated code.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of version 2 of the Lesser GNU General
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// Public License as published by the Free Software Foundation.
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//
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// This program 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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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this program; if not, write to the
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// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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// Boston, MA 02111-1307, USA.
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[DllImport("libpango-1.0-0.dll")]
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static extern void pango_attr_iterator_get_font(IntPtr raw, IntPtr desc, out IntPtr language, out IntPtr extra_attrs);
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public void GetFont (out Pango.FontDescription desc, out Pango.Language language, out Pango.Attribute[] extra_attrs)
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{
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desc = new FontDescription ();
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IntPtr language_handle, list_handle;
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pango_attr_iterator_get_font (Handle, desc.Handle, out language_handle, out list_handle);
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desc.Family = desc.Family; // change static string to allocated one
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language = language_handle == IntPtr.Zero ? null : new Language (language_handle);
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if (list_handle == IntPtr.Zero) {
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extra_attrs = new Pango.Attribute [0];
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return;
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}
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GLib.SList list = new GLib.SList (list_handle);
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extra_attrs = new Pango.Attribute [list.Count];
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int i = 0;
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foreach (IntPtr raw_attr in list)
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extra_attrs [i++] = Pango.Attribute.GetAttribute (raw_attr);
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}
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[DllImport("libpango-1.0-0.dll")]
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static extern IntPtr pango_attr_iterator_get_attrs (IntPtr raw);
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public Pango.Attribute[] Attrs {
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get {
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IntPtr list_handle = pango_attr_iterator_get_attrs (Handle);
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if (list_handle == IntPtr.Zero)
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return new Pango.Attribute [0];
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GLib.SList list = new GLib.SList (list_handle);
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Pango.Attribute[] attrs = new Pango.Attribute [list.Count];
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int i = 0;
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foreach (IntPtr raw_attr in list)
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attrs [i++] = Pango.Attribute.GetAttribute (raw_attr);
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return attrs;
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}
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}
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