KMemo-Undo
Based on code now in production in tomboy-ng.
This is a small FPC/lazarus project that demonstrates a simple undo/redo for KMemo. You will need to install KControls first (from the Online Package Manager). Its based on a unit now in my tomboy-ng application but just might be useful for other applications that use KMemo.
This not a patch or addition to KMemo, its a stand alone unit that sits in the same unit that contains a KMemo. I do not know if it would be better done as something intergrated into KMemo, what's here works for me. You need to hook in events that change the content of KMemo so they are recorded, exacly how and how much hooking will depend on your use of KMemo.
If you like the demo, to use the functionality, copy just the tbundo.pas to your project source, add it to your project, declare and create a TUndo_Redo. See the public methods as to where they need be hooked into you code that surrounds KMemo.
This code is released under BSD 3-Clause Clear License with the exception that the KControls Author, TK is free to use any part of it in any way he sees fit.
Suggestions and feedback welcome.
See also