M-Labs
/
artiq
mirror of https://github.com/m-labs/artiq.git
2
0
Fork 2
Code Issues Projects Releases Wiki Activity

scanwidget: more adaptable sizing (8bc0c10)

This commit is contained in:
Robert Jördens 2016-03-16 21:25:45 +01:00
parent 11bfe33dd4
commit a75ee76463
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
artiq/gui/scanwidget.py
View File

@ -32,6 +32,11 @@ class ScanWidget(QtWidgets.QSlider):
self.setRange(0, 4095)
qfm = QtGui.QFontMetrics(self.font())
self._labelSize = QtCore.QSize(
(self.ticker.precision + 5)*qfm.averageCharWidth(),
qfm.lineSpacing())
self._start, self._stop, self._num = None, None, None
self._axisView, self._sliderView = None, None
self._offset, self._pressed, self._dragLeft = None, None, None
@ -43,9 +48,8 @@ class ScanWidget(QtWidgets.QSlider):
return self.minimumSizeHint()
def minimumSizeHint(self):
qfm = QtGui.QFontMetrics(self.font())
return QtCore.QSize(5*10*qfm.averageCharWidth(),
4*qfm.lineSpacing())
return QtCore.QSize(2.5*3*self._labelSize.width(),
4*self._labelSize.height())
def _axisToPixel(self, val):
a, b = self._axisView
@ -212,7 +216,8 @@ class ScanWidget(QtWidgets.QSlider):
if center:
scale = min(scale, self.dynamicRange/abs(center))
left = a*scale/b
self.ticker.min_ticks = int(ev.size().width()/100)
self.ticker.min_ticks = int(ev.size().width() /
(2.5*self._labelSize.width()))
self._setView(left, scale)
def paintEvent(self, ev):