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scanwidget: lmb axis drag (9e6203c)

This commit is contained in:
Robert Jördens 2016-03-16 15:59:49 +01:00
parent d858ad4180
commit 67db5f77cd
1 changed files with 11 additions and 7 deletions
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18
artiq/gui/scanwidget.py
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@ -39,7 +39,7 @@ class ScanWidget(QtWidgets.QSlider):
self._start, self._stop, self._num = None, None, None self._start, self._stop, self._num = None, None, None
self._axisView, self._sliderView = None, None self._axisView, self._sliderView = None, None
self._offset, self._pressed = None, None self._offset, self._pressed, self._dragLeft = None, None, None
def contextMenuEvent(self, ev): def contextMenuEvent(self, ev):
self.menu.popup(ev.globalPos()) self.menu.popup(ev.globalPos())
@ -145,23 +145,27 @@ class ScanWidget(QtWidgets.QSlider):
elif self._hitHandle(ev.pos(), self._start): elif self._hitHandle(ev.pos(), self._start):
self._pressed = "start" self._pressed = "start"
else: else:
self._pressed = None self._pressed = "axis"
self._offset = ev.x()
self._dragLeft = self._axisView[0]
def mouseMoveEvent(self, ev): def mouseMoveEvent(self, ev):
if not self._pressed: if not self._pressed:
ev.ignore() ev.ignore()
return return
val = self._pixelToAxis(ev.pos().x() - self._offset)
if self._pressed == "stop": if self._pressed == "stop":
self._stop = val self._stop = self._pixelToAxis(ev.x() - self._offset)
self.update() self.update()
if self.hasTracking(): if self.hasTracking():
self.stopChanged.emit(val) self.stopChanged.emit(self._stop)
elif self._pressed == "start": elif self._pressed == "start":
self._start = val self._start = self._pixelToAxis(ev.x() - self._offset)
self.update() self.update()
if self.hasTracking(): if self.hasTracking():
self.startChanged.emit(val) self.startChanged.emit(self._start)
elif self._pressed == "axis":
self._setView(self._dragLeft + ev.x() - self._offset,
self._axisView[1])
def mouseReleaseEvent(self, ev): def mouseReleaseEvent(self, ev):
QtWidgets.QSlider.mouseReleaseEvent(self, ev) QtWidgets.QSlider.mouseReleaseEvent(self, ev)