The Qt child QObject names at all levels of children within a
QPrintPreviewDialog instance in Qt 4.8.5 (7-14-2014).

In particular, there is no way to discern the QAction or button 
associated with the Print (icon) toolbar button.

SlotPlot::slotPlotPrint level 1: ""
SlotPlot::slotPlotPrint level 2: ""
SlotPlot::slotPlotPrint level 2: ""
SlotPlot::slotPlotPrint level 2: ""
SlotPlot::slotPlotPrint level 2: ""
SlotPlot::slotPlotPrint level 1: ""
SlotPlot::slotPlotPrint level 2: "fitWidthAction"
SlotPlot::slotPlotPrint level 2: "fitPageAction"
SlotPlot::slotPlotPrint level 1: ""
SlotPlot::slotPlotPrint level 2: ""
SlotPlot::slotPlotPrint level 2: ""
SlotPlot::slotPlotPrint level 1: ""
SlotPlot::slotPlotPrint level 2: ""
SlotPlot::slotPlotPrint level 2: ""
SlotPlot::slotPlotPrint level 1: ""
SlotPlot::slotPlotPrint level 2: "singleModeAction"
SlotPlot::slotPlotPrint level 2: "facingModeAction"
SlotPlot::slotPlotPrint level 2: "overviewModeAction"
SlotPlot::slotPlotPrint level 1: ""
SlotPlot::slotPlotPrint level 2: ""
SlotPlot::slotPlotPrint level 2: ""
SlotPlot::slotPlotPrint level 1: ""
SlotPlot::slotPlotPrint level 2: "_layout"
SlotPlot::slotPlotPrint level 2: "qt_rubberband"
SlotPlot::slotPlotPrint level 2: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: "qt_toolbar_ext_button"
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 4: ""
SlotPlot::slotPlotPrint level 4: ""
SlotPlot::slotPlotPrint level 5: ""
SlotPlot::slotPlotPrint level 5: ""
SlotPlot::slotPlotPrint level 6: "qt_scrollarea_viewport"
SlotPlot::slotPlotPrint level 6: "qt_scrollarea_hcontainer"
SlotPlot::slotPlotPrint level 7: ""
SlotPlot::slotPlotPrint level 7: ""
SlotPlot::slotPlotPrint level 6: "qt_scrollarea_vcontainer"
SlotPlot::slotPlotPrint level 7: ""
SlotPlot::slotPlotPrint level 7: ""
SlotPlot::slotPlotPrint level 6: ""
SlotPlot::slotPlotPrint level 6: ""
SlotPlot::slotPlotPrint level 4: ""
SlotPlot::slotPlotPrint level 5: ""
SlotPlot::slotPlotPrint level 5: ""
SlotPlot::slotPlotPrint level 5: ""
SlotPlot::slotPlotPrint level 6: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 4: ""
SlotPlot::slotPlotPrint level 5: ""
SlotPlot::slotPlotPrint level 4: ""
SlotPlot::slotPlotPrint level 5: ""
SlotPlot::slotPlotPrint level 4: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 2: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 3: ""
SlotPlot::slotPlotPrint level 4: "qt_scrollarea_hcontainer"
SlotPlot::slotPlotPrint level 5: ""
SlotPlot::slotPlotPrint level 5: ""
SlotPlot::slotPlotPrint level 4: "qt_scrollarea_vcontainer"
SlotPlot::slotPlotPrint level 5: ""
SlotPlot::slotPlotPrint level 5: ""
SlotPlot::slotPlotPrint level 4: ""
SlotPlot::slotPlotPrint level 4: ""
SlotPlot::slotPlotPrint level 5: ""
SlotPlot::slotPlotPrint level 1: ""
SlotPlot::printPreviewDialog_paintRequested [#1] res 96 [dpi]; papSiz (816,1056) [DevPix]
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