Commit ff59924e authored by Luke Campagnola's avatar Luke Campagnola
Browse files

fixed mouse scaling issue introduced in inp a few commits ago

added panning plot example
parent e656366f
# -*- coding: utf-8 -*-
"""
Shows use of PlotWidget to display panning data
"""
import initExample ## Add path to library (just for examples; you do not need this)
import pyqtgraph as pg
from pyqtgraph.Qt import QtCore, QtGui
import numpy as np
win = pg.GraphicsWindow()
win.setWindowTitle('pyqtgraph example: PanningPlot')
plt = win.addPlot()
#plt.setAutoVisibleOnly(y=True)
curve = plt.plot()
data = []
count = 0
def update():
global data, curve, count
data.append(np.random.normal(size=10) + np.sin(count * 0.1) * 5)
if len(data) > 100:
data.pop(0)
curve.setData(np.hstack(data))
count += 1
timer = QtCore.QTimer()
timer.timeout.connect(update)
timer.start(50)
## Start Qt event loop unless running in interactive mode or using pyside.
if __name__ == '__main__':
import sys
if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
QtGui.QApplication.instance().exec_()
......@@ -950,7 +950,8 @@ class ViewBox(GraphicsWidget):
dif = dif * -1
## Ignore axes if mouse is disabled
mask = np.array(self.state['mouseEnabled'], dtype=np.float)
mouseEnabled = np.array(self.state['mouseEnabled'], dtype=np.float)
mask = mouseEnabled.copy()
if axis is not None:
mask[1-axis] = 0.0
......@@ -990,8 +991,8 @@ class ViewBox(GraphicsWidget):
tr = self.childGroup.transform()
tr = fn.invertQTransform(tr)
x = s[0] if mask[0] == 1 else None
y = s[1] if mask[1] == 1 else None
x = s[0] if mouseEnabled[0] == 1 else None
y = s[1] if mouseEnabled[1] == 1 else None
center = Point(tr.map(ev.buttonDownPos(QtCore.Qt.RightButton)))
self.scaleBy(x=x, y=y, center=center)
......
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