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Patch from tmastran@gmail.com

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svn path=/trunk/gtk-sharp/; revision=52668
This commit is contained in:
Miguel de Icaza 2005-11-07 22:37:30 +00:00
parent a36a3d4c0e
commit 8930314f11
1 changed files with 58 additions and 2 deletions
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60
doc/en/Gtk/CellRenderer.xml
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@ -466,7 +466,63 @@
<param name="cell_area">a <see cref="T:Gdk.Rectangle" /></param>
<param name="flags">a <see cref="T:System.Int32" /></param>
<returns>a <see cref="T:Gtk.CellEditable" /></returns>
<remarks>Some cell renderers may use events; for example, <see cref="T:CellRendererToggle" /> toggles when it gets a mouse click.</remarks>
<remarks>Some cell renderers may use events; for example, <see cref="T:CellRendererToggle" /> toggles when it gets a mouse click.
<para>
The following example illustrates a CellRenderText derived class that implements auto-completion in the entry widget.
</para><example>
<code lang="C#">
public class CellRendererCompletion : CellRendererText
{
public delegate ListStore CompletionStoreNeededDelegate(TreeView tree, out int textColumn);
// Delegate that is called to obtain a ListStore that contains entries
// for the column being editted. TreeView.GetCursor(out path, out column)
// can be used to determine the column being editted.
public static CompletionStoreNeededDelegate CompletionStoreNeededEventHandler;
// Required constructor that may be called by the framework.
public CellRendererCompletion(System.IntPtr raw) : base(raw)
{
}
public CellRendererCompletion()
{
}
public override CellEditable StartEditing(Gdk.Event evnt, Widget widget, string path,
Gdk.Rectangle background_area, Gdk.Rectangle cell_area, CellRendererState flags)
{
// get the entry widget
Entry entry = base.StartEditing (evnt, widget, path, background_area, cell_area, flags) as Gtk.Entry;
// make it auto-complete
TreeView treeview = widget as TreeView;
int textColumn = 0;
entry.Completion = new EntryCompletion();
entry.Completion.Model = CreateCompletionModel(treeview, out textColumn);
entry.Completion.TextColumn = textColumn;
return entry;
}
// Gets the ListStore that contains the auto-complete entries
// to be shown when editting this cell. Typical use might use
// TreeView.GetCursor(out path, out column) to get the column name
// being editted to build an appropriate list.
private static TreeModel CreateCompletionModel(TreeView treeview, out int textColumn)
{
textColumn = 0;
if (CompletionStoreNeededEventHandler != null)
return CompletionStoreNeededEventHandler(treeview, out textColumn);
return null;
}
}
</code>
</example></remarks>
</Docs>
</Member>
<Member MemberName="EditingCanceled">
@ -612,4 +668,4 @@
</Docs>
</Member>
</Members>
</Type>
</Type>