mirror of
https://github.com/m-labs/artiq.git
synced 2024-12-25 19:28:26 +08:00
scanwidget: draw based on font metrics (closes #328)
This commit is contained in:
parent
5e7eff6c4d
commit
5714ffe758
@ -15,12 +15,17 @@ class ScanAxis(QtWidgets.QWidget):
|
|||||||
self.proxy = None
|
self.proxy = None
|
||||||
self.sizePolicy().setControlType(QtWidgets.QSizePolicy.ButtonBox)
|
self.sizePolicy().setControlType(QtWidgets.QSizePolicy.ButtonBox)
|
||||||
self.ticker = Ticker()
|
self.ticker = Ticker()
|
||||||
self.setMinimumHeight(40)
|
qfm = QtGui.QFontMetrics(QtGui.QFont())
|
||||||
|
lineSpacing = qfm.lineSpacing()
|
||||||
|
descent = qfm.descent()
|
||||||
|
self.setMinimumHeight(2*lineSpacing + descent + 5 + 5)
|
||||||
|
|
||||||
def paintEvent(self, ev):
|
def paintEvent(self, ev):
|
||||||
painter = QtGui.QPainter(self)
|
painter = QtGui.QPainter(self)
|
||||||
font = painter.font()
|
qfm = QtGui.QFontMetrics(painter.font())
|
||||||
avgCharWidth = QtGui.QFontMetrics(font).averageCharWidth()
|
avgCharWidth = qfm.averageCharWidth()
|
||||||
|
lineSpacing = qfm.lineSpacing()
|
||||||
|
descent = qfm.descent()
|
||||||
painter.setRenderHint(QtGui.QPainter.Antialiasing)
|
painter.setRenderHint(QtGui.QPainter.Antialiasing)
|
||||||
# The center of the slider handles should reflect what's displayed
|
# The center of the slider handles should reflect what's displayed
|
||||||
# on the spinboxes.
|
# on the spinboxes.
|
||||||
@ -29,7 +34,7 @@ class ScanAxis(QtWidgets.QWidget):
|
|||||||
realLeft = self.proxy.pixelToReal(0)
|
realLeft = self.proxy.pixelToReal(0)
|
||||||
realRight = self.proxy.pixelToReal(self.width())
|
realRight = self.proxy.pixelToReal(self.width())
|
||||||
ticks, prefix, labels = self.ticker(realLeft, realRight)
|
ticks, prefix, labels = self.ticker(realLeft, realRight)
|
||||||
painter.drawText(0, -25, prefix)
|
painter.drawText(0, -5-descent-lineSpacing, prefix)
|
||||||
|
|
||||||
pen = QtGui.QPen()
|
pen = QtGui.QPen()
|
||||||
pen.setWidth(2)
|
pen.setWidth(2)
|
||||||
@ -38,7 +43,7 @@ class ScanAxis(QtWidgets.QWidget):
|
|||||||
for t, l in zip(ticks, labels):
|
for t, l in zip(ticks, labels):
|
||||||
t = self.proxy.realToPixel(t)
|
t = self.proxy.realToPixel(t)
|
||||||
painter.drawLine(t, 0, t, -5)
|
painter.drawLine(t, 0, t, -5)
|
||||||
painter.drawText(t - len(l)/2*avgCharWidth, -10, l)
|
painter.drawText(t - len(l)/2*avgCharWidth, -5-descent, l)
|
||||||
|
|
||||||
sliderStartPixel = self.proxy.realToPixel(self.proxy.realStart)
|
sliderStartPixel = self.proxy.realToPixel(self.proxy.realStart)
|
||||||
sliderStopPixel = self.proxy.realToPixel(self.proxy.realStop)
|
sliderStopPixel = self.proxy.realToPixel(self.proxy.realStop)
|
||||||
|
Loading…
Reference in New Issue
Block a user