GtkSharp/gtk/TreeView.custom
Dan Winship eb4fdee774 Automatic memory management for opaque types [#49565]
* 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
2005-08-02 18:45:21 +00:00

185 lines
5.7 KiB
Plaintext

// Gtk.TreeView.Custom - Gtk TreeView class customizations
//
// Authors:
// Kristian Rietveld <kris@gtk.org>
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// Copyright (c) 2002 Kristian Rietveld
// Copyright (c) 2003 Ximian, Inc. (http://www.ximian.com)
//
// This code is inserted after the automatically generated code.
//
// 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.
[Obsolete ("Use NodeView with NodeStores")]
public TreeView (NodeStore store) : base (IntPtr.Zero)
{
if (GetType() != typeof (TreeView)) {
string[] names = new string [1];
GLib.Value[] vals = new GLib.Value [1];
names [0] = "model";
vals [0] = new GLib.Value (store);
CreateNativeObject (names, vals);
vals [0].Dispose ();
return;
}
Raw = gtk_tree_view_new_with_model (store.Handle);
}
[DllImport("libgtk-win32-2.0-0.dll")]
static extern IntPtr gtk_tree_view_get_columns (IntPtr raw);
public TreeViewColumn[] Columns {
get {
IntPtr raw_ret = gtk_tree_view_get_columns (Handle);
if (raw_ret == IntPtr.Zero)
return new TreeViewColumn [0];
GLib.List list = new GLib.List (raw_ret);
TreeViewColumn[] result = new TreeViewColumn [list.Count];
for (int i = 0; i < list.Count; i++)
result [i] = list [i] as TreeViewColumn;
return result;
}
}
[DllImport("libgtk-win32-2.0-0.dll")]
static extern bool gtk_tree_view_get_path_at_pos (IntPtr raw,
int x,
int y,
out IntPtr path,
out IntPtr column,
out int cell_x,
out int cell_y);
[DllImport("libgtk-win32-2.0-0.dll", EntryPoint="gtk_tree_view_get_path_at_pos")]
static extern bool gtk_tree_view_get_path_at_pos_intptr (IntPtr raw,
int x,
int y,
out IntPtr path,
out IntPtr column,
IntPtr cell_x,
IntPtr cell_y);
public bool GetPathAtPos (int x, int y, out Gtk.TreePath path, out Gtk.TreeViewColumn column, out int cell_x, out int cell_y)
{
IntPtr pathHandle;
IntPtr columnHandle;
bool raw_ret = gtk_tree_view_get_path_at_pos (Handle, x, y, out pathHandle, out columnHandle, out cell_x, out cell_y);
if (raw_ret) {
column = (Gtk.TreeViewColumn) GLib.Object.GetObject (columnHandle, false);
path = new TreePath (pathHandle);
path.Owned = true;
} else {
path = null;
column = null;
}
return raw_ret;
}
public bool GetPathAtPos (int x, int y, out Gtk.TreePath path)
{
IntPtr pathHandle;
IntPtr columnHandle;
bool raw_ret = gtk_tree_view_get_path_at_pos_intptr (Handle, x, y, out pathHandle, out columnHandle, IntPtr.Zero, IntPtr.Zero);
if (raw_ret) {
path = new TreePath (pathHandle);
path.Owned = true;
} else
path = null;
return raw_ret;
}
public bool GetPathAtPos (int x, int y, out Gtk.TreePath path, out Gtk.TreeViewColumn column)
{
IntPtr pathHandle;
IntPtr columnHandle;
bool raw_ret = gtk_tree_view_get_path_at_pos_intptr (Handle, x, y, out pathHandle, out columnHandle, IntPtr.Zero, IntPtr.Zero);
if (raw_ret) {
path = new TreePath (pathHandle);
path.Owned = true;
column = (Gtk.TreeViewColumn) GLib.Object.GetObject (columnHandle, false);
} else {
path = null;
column = null;
}
return raw_ret;
}
public TreeViewColumn AppendColumn (string title, CellRenderer cell, TreeCellDataFunc cell_data)
{
Gtk.TreeViewColumn col = new Gtk.TreeViewColumn ();
col.Title = title;
col.PackStart (cell, true);
col.SetCellDataFunc (cell, cell_data);
AppendColumn (col);
return col;
}
public TreeViewColumn AppendColumn (string title, CellRenderer cell, CellLayoutDataFunc cell_data) {
Gtk.TreeViewColumn col = new Gtk.TreeViewColumn ();
col.Title = title;
col.PackStart (cell, true);
col.SetCellDataFunc (cell, cell_data);
AppendColumn (col);
return col;
}
public Gtk.TreeViewColumn AppendColumn (string title, Gtk.CellRenderer cell, params object[] attrs) {
Gtk.TreeViewColumn col = new Gtk.TreeViewColumn (title, cell, attrs);
AppendColumn (col);
return col;
}
public int InsertColumn (int pos, string title, CellRenderer cell, CellLayoutDataFunc cell_data)
{
TreeViewColumn col = new TreeViewColumn ();
col.Title = title;
col.PackStart (cell, true);
col.SetCellDataFunc (cell, cell_data);
return InsertColumn (col, pos);
}
public int InsertColumn (int pos, string title, CellRenderer cell, params object[] attrs)
{
TreeViewColumn col = new TreeViewColumn (title, cell, attrs);
return InsertColumn (col, pos);
}
[Obsolete ("Replaced by SearchEqualFunc property.")]
public void SetSearchEqualFunc (TreeViewSearchEqualFunc search_equal_func, IntPtr search_user_data, DestroyNotify search_destroy)
{
SearchEqualFunc = search_equal_func;
}
[Obsolete ("Replaced by DestroyCountFunc property.")]
public void SetDestroyCountFunc (TreeDestroyCountFunc func, IntPtr data, DestroyNotify destroy)
{
DestroyCountFunc = func;
}
[Obsolete ("Replaced by ColumnDragFunction property.")]
public void SetColumnDragFunction (TreeViewColumnDropFunc func, IntPtr user_data, DestroyNotify destroy)
{
ColumnDragFunction = func;
}