/// <summary>
/// Shows the context menu for a TreeView.
/// </summary>
/// <returns><c>true</c>, if context menu was shown, <c>false</c> otherwise.</returns>
/// <param name="tree">Gtk TreeView for which the context menu is shown</param>
/// <param name="evt">The current mouse event, or <c>null</c>.</param>
/// <param name="entrySet">Entry set with the command definitions</param>
/// <param name="initialCommandTarget">Initial command target.</param>
public static bool ShowContextMenu(this Gtk.TreeView tree, Gdk.EventButton evt, Commands.CommandEntrySet entrySet,
object initialCommandTarget = null)
{
if (evt == null)
{
var paths = tree.Selection.GetSelectedRows();
if (paths != null)
{
var area = tree.GetCellArea(paths [0], tree.Columns [0]);
return(Ide.IdeApp.CommandService.ShowContextMenu(tree, area.Left, area.Top, entrySet, initialCommandTarget));
}
else
{
return(Ide.IdeApp.CommandService.ShowContextMenu(tree, 0, 0, entrySet, initialCommandTarget));
}
}
else
{
int x = (int)evt.X, y = (int)evt.Y;
if (Platform.IsMac && tree.BinWindow == evt.Window)
{
tree.ConvertBinWindowToWidgetCoords(x, y, out x, out y);
}
return(Ide.IdeApp.CommandService.ShowContextMenu(tree, x, y, entrySet, initialCommandTarget));
}
}