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QuLogicQuLogic
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Merge pull request #15949 from anntzer/slider
Simplify implementation of SubplotTool.
2 parents fb58962 + 7f6ad35 commit 9d40170

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Lines changed: 71 additions & 67 deletions

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‎doc/api/next_api_changes/deprecations.rst‎

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@@ -355,3 +355,12 @@ The *dummy* parameter of `.RendererPgf` is deprecated.
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The ``set_factor`` method of :mod:`mpl_toolkits.axisartist` locators (which are
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different from "standard" Matplotlib tick locators) is deprecated.
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`.widgets.SubplotTool` callbacks and axes
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The ``funcleft``, ``funcright``, ``funcbottom``, ``functop``, ``funcwspace``,
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and ``funchspace`` methods of `.widgets.SubplotTool` are deprecated.
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The ``axleft``, ``axright``, ``axbottom``, ``axtop``, ``axwspace``, and
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``axhspace`` attributes of `.widgets.SubplotTool` are deprecated. Access the
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``ax`` attribute of the corresponding slider, if needed.

‎lib/matplotlib/widgets.py‎

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Original file line numberDiff line numberDiff line change
@@ -1120,51 +1120,25 @@ def __init__(self, targetfig, toolfig):
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self.targetfig = targetfig
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toolfig.subplots_adjust(left=0.2, right=0.9)
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1124-
self.axleft = toolfig.add_subplot(711)
1125-
self.axleft.set_title('Click on slider to adjust subplot param')
1126-
self.axleft.set_navigate(False)
1127-
1128-
self.sliderleft = Slider(self.axleft, 'left',
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0, 1, targetfig.subplotpars.left,
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closedmax=False)
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self.sliderleft.on_changed(self.funcleft)
1132-
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self.axbottom = toolfig.add_subplot(712)
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self.axbottom.set_navigate(False)
1135-
self.sliderbottom = Slider(self.axbottom,
1136-
'bottom', 0, 1,
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targetfig.subplotpars.bottom,
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closedmax=False)
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self.sliderbottom.on_changed(self.funcbottom)
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self.axright = toolfig.add_subplot(713)
1142-
self.axright.set_navigate(False)
1143-
self.sliderright = Slider(self.axright, 'right', 0, 1,
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targetfig.subplotpars.right,
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closedmin=False)
1146-
self.sliderright.on_changed(self.funcright)
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1148-
self.axtop = toolfig.add_subplot(714)
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self.axtop.set_navigate(False)
1150-
self.slidertop = Slider(self.axtop, 'top', 0, 1,
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targetfig.subplotpars.top,
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closedmin=False)
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self.slidertop.on_changed(self.functop)
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self.axwspace = toolfig.add_subplot(715)
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self.axwspace.set_navigate(False)
1157-
self.sliderwspace = Slider(self.axwspace, 'wspace',
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0, 1, targetfig.subplotpars.wspace,
1159-
closedmax=False)
1160-
self.sliderwspace.on_changed(self.funcwspace)
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1162-
self.axhspace = toolfig.add_subplot(716)
1163-
self.axhspace.set_navigate(False)
1164-
self.sliderhspace = Slider(self.axhspace, 'hspace',
1165-
0, 1, targetfig.subplotpars.hspace,
1166-
closedmax=False)
1167-
self.sliderhspace.on_changed(self.funchspace)
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toolfig.suptitle("Click on slider to adjust subplot param")
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1125+
self._sliders = []
1126+
names = ["left", "bottom", "right", "top", "wspace", "hspace"]
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# The last subplot, removed below, keeps space for the "Reset" button.
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for name, ax in zip(names, toolfig.subplots(len(names) + 1)):
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ax.set_navigate(False)
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slider = Slider(ax, name,
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0, 1, getattr(targetfig.subplotpars, name))
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slider.on_changed(self._on_slider_changed)
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self._sliders.append(slider)
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toolfig.axes[-1].remove()
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(self.sliderleft, self.sliderbottom, self.sliderright, self.slidertop,
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self.sliderwspace, self.sliderhspace) = self._sliders
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for slider in [self.sliderleft, self.sliderbottom,
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self.sliderwspace, self.sliderhspace]:
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slider.closedmax = False
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for slider in [self.sliderright, self.slidertop]:
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slider.closedmin = False
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# constraints
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self.sliderleft.slidermax = self.sliderright
@@ -1175,57 +1149,78 @@ def __init__(self, targetfig, toolfig):
11751149
bax = toolfig.add_axes([0.8, 0.05, 0.15, 0.075])
11761150
self.buttonreset = Button(bax, 'Reset')
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1178-
sliders = (self.sliderleft, self.sliderbottom, self.sliderright,
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self.slidertop, self.sliderwspace, self.sliderhspace,)
1180-
1181-
def func(event):
1182-
with ExitStack() as stack:
1183-
# Temporarily disable drawing on self and self's sliders.
1184-
stack.enter_context(cbook._setattr_cm(self, drawon=False))
1185-
for slider in sliders:
1186-
stack.enter_context(
1187-
cbook._setattr_cm(slider, drawon=False))
1188-
# Reset the slider to the initial position.
1189-
for slider in sliders:
1190-
slider.reset()
1191-
# Draw the canvas.
1192-
if self.drawon:
1193-
toolfig.canvas.draw()
1194-
self.targetfig.canvas.draw()
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# during reset there can be a temporary invalid state
1197-
# depending on the order of the reset so we turn off
1198-
# validation for the resetting
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# During reset there can be a temporary invalid state depending on the
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# order of the reset so we turn off validation for the resetting
11991154
validate = toolfig.subplotpars.validate
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toolfig.subplotpars.validate = False
1201-
self.buttonreset.on_clicked(func)
1156+
self.buttonreset.on_clicked(self._on_reset)
12021157
toolfig.subplotpars.validate = validate
12031158

1159+
def _on_slider_changed(self, _):
1160+
self.targetfig.subplots_adjust(
1161+
**{slider.label.get_text(): slider.val
1162+
for slider in self._sliders})
1163+
if self.drawon:
1164+
self.targetfig.canvas.draw()
1165+
1166+
def _on_reset(self, event):
1167+
with ExitStack() as stack:
1168+
# Temporarily disable drawing on self and self's sliders.
1169+
stack.enter_context(cbook._setattr_cm(self, drawon=False))
1170+
for slider in self._sliders:
1171+
stack.enter_context(cbook._setattr_cm(slider, drawon=False))
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# Reset the slider to the initial position.
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for slider in self._sliders:
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slider.reset()
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# Draw the canvas.
1176+
if self.drawon:
1177+
event.canvas.draw()
1178+
self.targetfig.canvas.draw()
1179+
1180+
axleft = cbook.deprecated("3.3", name="axleft")(
1181+
property(lambda self: self.sliderleft.ax))
1182+
axright = cbook.deprecated("3.3", name="axright")(
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property(lambda self: self.sliderright.ax))
1184+
axbottom = cbook.deprecated("3.3", name="axbottom")(
1185+
property(lambda self: self.sliderbottom.ax))
1186+
axtop = cbook.deprecated("3.3", name="axtop")(
1187+
property(lambda self: self.slidertop.ax))
1188+
axwspace = cbook.deprecated("3.3", name="axwspace")(
1189+
property(lambda self: self.sliderwspace.ax))
1190+
axhspace = cbook.deprecated("3.3", name="axhspace")(
1191+
property(lambda self: self.sliderhspace.ax))
1192+
1193+
@cbook.deprecated("3.3")
12041194
def funcleft(self, val):
12051195
self.targetfig.subplots_adjust(left=val)
12061196
if self.drawon:
12071197
self.targetfig.canvas.draw()
12081198

1199+
@cbook.deprecated("3.3")
12091200
def funcright(self, val):
12101201
self.targetfig.subplots_adjust(right=val)
12111202
if self.drawon:
12121203
self.targetfig.canvas.draw()
12131204

1205+
@cbook.deprecated("3.3")
12141206
def funcbottom(self, val):
12151207
self.targetfig.subplots_adjust(bottom=val)
12161208
if self.drawon:
12171209
self.targetfig.canvas.draw()
12181210

1211+
@cbook.deprecated("3.3")
12191212
def functop(self, val):
12201213
self.targetfig.subplots_adjust(top=val)
12211214
if self.drawon:
12221215
self.targetfig.canvas.draw()
12231216

1217+
@cbook.deprecated("3.3")
12241218
def funcwspace(self, val):
12251219
self.targetfig.subplots_adjust(wspace=val)
12261220
if self.drawon:
12271221
self.targetfig.canvas.draw()
12281222

1223+
@cbook.deprecated("3.3")
12291224
def funchspace(self, val):
12301225
self.targetfig.subplots_adjust(hspace=val)
12311226
if self.drawon:

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