Example frame with one box where the user can increase or decrease a number and the shown value will be updated accordingly.
import ROOT
class pMyMainFrame(ROOT.TGMainFrame):
def __init__(self, parent, width, height):
ROOT.TGMainFrame.__init__(self, parent, width, height)
self.fHor1 = ROOT.TGHorizontalFrame(self, 60, 20, ROOT.kFixedWidth)
self.fExit = ROOT.TGTextButton(self.fHor1, "&Exit", "gApplication->Terminate(0)")
self.fExit.SetCommand('TPython::Exec( "raise SystemExit" )')
self.fHor1.AddFrame(self.fExit, ROOT.TGLayoutHints(
ROOT.kLHintsTop | ROOT.kLHintsLeft | ROOT.kLHintsExpandX, 4, 4, 4, 4))
self.AddFrame(self.fHor1, ROOT.TGLayoutHints(ROOT.kLHintsBottom | ROOT.kLHintsRight, 2, 2, 5, 1))
self.fNumber = ROOT.TGNumberEntry(self, 0, 9, 999, ROOT.TGNumberFormat.kNESInteger,
ROOT.TGNumberFormat.kNEANonNegative,
ROOT.TGNumberFormat.kNELLimitMinMax,
0, 99999)
self.fLabelDispatch = ROOT.TPyDispatcher(self.DoSetlabel)
self.fNumber.Connect("ValueSet(Long_t)", "TPyDispatcher", self.fLabelDispatch, "Dispatch()")
self.fNumber.GetNumberEntry().Connect("ReturnPressed()", "TPyDispatcher", self.fLabelDispatch, "Dispatch()")
self.AddFrame(self.fNumber, ROOT.TGLayoutHints(ROOT.kLHintsTop | ROOT.kLHintsLeft, 5, 5, 5, 5))
self.fGframe = ROOT.TGGroupFrame(self, "Value")
self.fLabel = ROOT.TGLabel(self.fGframe, "No input.")
self.fGframe.AddFrame(self.fLabel, ROOT.TGLayoutHints(ROOT.kLHintsTop | ROOT.kLHintsLeft, 5, 5, 5, 5))
self.AddFrame(self.fGframe, ROOT.TGLayoutHints(ROOT.kLHintsExpandX, 2, 2, 1, 1))
self.SetCleanup(ROOT.kDeepCleanup)
self.SetWindowName("Number Entry")
self.MapSubwindows()
self.Resize(self.GetDefaultSize())
self.MapWindow()
def __del__(self):
self.Cleanup()
def DoSetlabel(self):
self.fLabel.SetText(ROOT.Form("%d" % self.fNumber.GetNumberEntry().GetIntNumber()))
self.fGframe.Layout()
if __name__ == "__main__":
window = pMyMainFrame(ROOT.gClient.GetRoot(), 50, 50)
