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improve scrolling

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Johannes Pohl
2018-04-25 16:45:11 +02:00
parent fcfccf11b8
commit 6fa114b2a7
1 changed files with 4 additions and 3 deletions
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7
src/urh/controller/dialogs/SpectrumDialogController.py
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@@ -58,12 +58,13 @@ class SpectrumDialogController(SendRecvDialog):
spectrogram.data_max = 10
scene = self.ui.graphicsViewSpectrogram.scene()
pixmap = QPixmap.fromImage(spectrogram.create_spectrogram_image(transpose=True))
scene.addPixmap(pixmap).moveBy(0, self.spectrogram_y_pos)
pixmap_item = scene.addPixmap(pixmap)
pixmap_item.moveBy(0, self.spectrogram_y_pos)
self.spectrogram_y_pos += pixmap.height()
if self.spectrogram_y_pos >= scene.sceneRect().height():
scene.setSceneRect(0, 0, Spectrogram.DEFAULT_FFT_WINDOW_SIZE, self.spectrogram_y_pos)
self.ui.graphicsViewSpectrogram.verticalScrollBar().setValue(
self.ui.graphicsViewSpectrogram.verticalScrollBar().maximum())
self.ui.graphicsViewSpectrogram.ensureVisible(pixmap_item)
def _eliminate_graphic_view(self):
super()._eliminate_graphic_view()