QRCodeWidget: show warning in GUI
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@@ -73,7 +73,10 @@ class QRCodeWidget(QWidget):
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framesize = min(r.width(), r.height())
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boxsize = int((framesize - 2*self.margin)/k)
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if boxsize < 2:
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print('Warning: cannot draw qr code, boxsize too small')
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qp.drawText(0, 20, 'Cannot draw QR code:')
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qp.drawText(0, 40, 'Boxsize too small')
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qp.end()
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return
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size = k*boxsize
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left = (framesize - size)/2
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top = (framesize - size)/2
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