Hi,
I am using monodevelop.dock and have created two treeviews called
cellLib and latLib each in its own dockable window. I want to be able to
drag selected cells from cellLib and add them onto the selected lattice
in latLib. I thought that I had set the drag source and targets
correctly in my main window, but nothing seems to be happening as the
message is not displayed on the console so I assume the signal is not
being generated. Can anyone suggest what is going wrong? See code
fragment below. I looked at the code example in TestDnD.cs for
inspiration. I do not really understand TargetTypes and so just used the
code from TestDnD.cs (which compiles and works ok). The treeview for
cellLib has two columns the first is a generated image, the second is a
string.
enum TargetType {
String,
};
private static TargetEntry [] target_table = new TargetEntry [] {
new TargetEntry ("STRING", 0, (uint) TargetType.String ),
new TargetEntry ("text/plain", 0, (uint) TargetType.String),
};
....
Now in MainWindow constructor after creating treeviews and adding to
DockItem etc.
// set up drag and drop targets
Gtk.Drag.SourceSet (_cellLib,
Gdk.ModifierType.Button1Mask |
Gdk.ModifierType.Button3Mask,
target_table, Gdk.DragAction.Private );
_cellLib.DragBegin += HandleDragBegin;
Gtk.Drag.DestSet (_latlib, DestDefaults.All, target_table,
Gdk.DragAction.Private);
}
void HandleDragBegin(object o, DragBeginArgs args)
{
Console.WriteLine("Drag begin");
}
Also I would like to transfer the cell object if possible not a string
so what would the target type be in that case?
Thanks
Alan
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