QSplitter like a "grid" splitter [Using qt 4.4]

[yandy]

then extend the sample by an own splitter handle for s3 (painted at the position of the handles s1/s2). Use mouse tracking to get the coordinates and emit proper signals which are connected to s1 and s2. Pack all in one widget with an function setWidgetInSplitter(...).
Easy

Thank you,Let me have a try

[Lykurg]

Let me have a try

Go on, that's some work to get thinks work right. When you are ready, share your knowledge with us