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QGraphicsView custom rectange ( region ) selection and zoom feature to implement.

  • Greetings,

    I have to implement next feature: on a custom graphics scene with graphics view ( QGraphicsScene / QGraphicsView ) to add the feature of selection rectangle region by dragging with right mouse button pressed on the scene and then to zoom the selected region, firstly horizontal zoom.

    Has anybody done similar before and can share a code example of link to open source or Qt commercial application, that already contains such feature ?

    Does anybody know wave analysis commercial / open source application, similar to Dinotrace / GTKWave written with Qt? ( link or upload source code or screen shot if closed sources )?

    Thanks in advance for any useful information within the above.

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