def _test_FloatSlider_wheel():
frame = wx.GetApp().GetTopWindow()
slider = floatslider.FloatSlider(frame,
value=50,
minValue=0,
maxValue=100,
style=floatslider.FS_MOUSEWHEEL)
called = [False]
def handler(ev):
called[0] = True
slider.Bind(wx.EVT_SLIDER, handler)
ev = mock.MagicMock()
# UIActionSimulator don't do mouse wheel,
# so we fake a mousewheel event
val = slider.GetValue()
ev.GetWheelRotation.return_value = 1
slider._FloatSlider__onMouseWheel(ev)
wx.Yield()
assert called[0]
assert slider.GetValue() > val
val = slider.GetValue()
called[0] = False
ev.GetWheelRotation.return_value = -1
slider._FloatSlider__onMouseWheel(ev)
wx.Yield()
assert called[0]
assert slider.GetValue() < val
val = slider.GetValue()
called[0] = False
ev.GetWheelRotation.return_value = 0
slider._FloatSlider__onMouseWheel(ev)
wx.Yield()
assert not called[0]
assert np.isclose(slider.GetValue(), val)
def _test_FloatSlider_mouse():
sim = wx.UIActionSimulator()
frame = wx.GetApp().GetTopWindow()
minval = 0
init = 50
maxval = 100
slider = floatslider.FloatSlider(frame,
value=init,
minValue=minval,
maxValue=maxval)
sizer = wx.BoxSizer(wx.HORIZONTAL)
sizer.Add(slider, flag=wx.EXPAND, proportion=1)
frame.SetSizer(sizer)
frame.Layout()
wx.Yield()
called = [0]
def handler(ev):
called[0] += 1
slider.Bind(wx.EVT_SLIDER, handler)
xposes = [0.05, 0.1, 0.25, 0.5, 0.75, 0.9, 0.95]
for xpos in xposes:
called[0] = 0
# Make sure clicking on the same spot
# doesn't result in multiple events
simclick(sim, slider, pos=[xpos, 0.5])
expected = minval + xpos * (maxval - minval)
# Be tolerant with the slider value,
# because the above xposes may not
# take into account widget borders.
tol = (maxval - minval) * 0.05
assert called[0] == 1
assert abs(slider.GetValue() - expected) <= tol
def _test_FloatSlider_changeRange():
frame = wx.GetApp().GetTopWindow()
slider = floatslider.FloatSlider(frame)
_test_widget_changeRange(slider)
def _test_FloatSlider_logic_integer():
frame = wx.GetApp().GetTopWindow()
slider = floatslider.FloatSlider(frame, style=floatslider.FS_INTEGER)
_test_widget_logic_integer(slider)
def _test_FloatSlider_logic():
frame = wx.GetApp().GetTopWindow()
slider = floatslider.FloatSlider(frame)
_test_widget_logic(slider)
def _makeSlider(parent, hasProps, propObj, propVal, showSpin, showLimits,
editLimits, mousewheel, spinWidth):
"""Used by the :func:`_Number` function.
Creates and returns a :class:`.FloatSlider` or :class:`.SliderSpinPanel`,
and binds it to the given :class:`.PropertyValue` instance.
See :func:`_Number` for details on the parameters.
"""
value = propVal.get()
minval = propVal.getAttribute('minval')
maxval = propVal.getAttribute('maxval')
limited = propVal.getAttribute('clamped')
if isinstance(propObj, ptypes.Int): real = False
elif isinstance(propObj, ptypes.Real): real = True
if not showSpin:
if mousewheel: style = floatslider.FS_MOUSEWHEEL
else: style = 0
if not real:
style |= floatslider.FS_INTEGER
evt = wx.EVT_SLIDER
slider = floatslider.FloatSlider(parent,
value=value,
minValue=minval,
maxValue=maxval,
style=style)
else:
evt = floatslider.EVT_SSP_VALUE
style = 0
if not real: style |= floatslider.SSP_INTEGER
if not limited: style |= floatslider.SSP_NO_LIMITS
if showLimits: style |= floatslider.SSP_SHOW_LIMITS
if editLimits: style |= floatslider.SSP_EDIT_LIMITS
if mousewheel: style |= floatslider.SSP_MOUSEWHEEL
slider = floatslider.SliderSpinPanel(parent,
value=value,
minValue=minval,
maxValue=maxval,
style=style,
spinWidth=spinWidth)
# bind the slider value to the property value
widgets._propBind(hasProps, propObj, propVal, slider, evt)
# Update slider min/max bounds and labels
# whenever the property attributes change.
def updateSliderRange(*a):
minval = propVal.getAttribute('minval')
maxval = propVal.getAttribute('maxval')
log.debug('Updating {} range from {}.{}: {} - {}'.format(
type(slider).__name__,
type(hasProps).__name__, propVal._name, minval, maxval))
slider.SetRange(minval, maxval)
# TODO check that value has changed due to the range change?
listenerName = 'widgets_number_py_updateRange_{}'.format(id(slider))
propVal.addAttributeListener(listenerName, updateSliderRange, weak=False)
# remove the listener when the slider is destroyed
def onDestroy(ev):
propVal.removeAttributeListener(listenerName)
ev.Skip()
slider.Bind(wx.EVT_WINDOW_DESTROY, onDestroy)
if editLimits:
# When the user edits the slider bounds,
# update the property attributes
def updatePropRange(ev):
propVal.setAttribute('minval', ev.min)
propVal.setAttribute('maxval', ev.max)
slider.Bind(floatslider.EVT_SSP_LIMIT, updatePropRange)
return slider
