8000 Move widgets · matplotlib/matplotlib@d3750f7 · GitHub
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SidharthBansalSidharthBansal
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Move widgets
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-64
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‎lib/matplotlib/testing/widgets.py

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"""
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========================
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Widget testing utilities
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========================
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Functions that are useful for testing widgets.
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See also matplotlib.tests.test_widgets
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"""
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import matplotlib.pyplot as plt
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from unittest import mock
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def get_ax():
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"""Creates plot and returns its axes"""
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fig, ax = plt.subplots(1, 1)
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ax.plot([0, 200], [0, 200])
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ax.set_aspect(1.0)
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ax.figure.canvas.draw()
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return ax
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def do_event(tool, etype, button=1, xdata=0, ydata=0, key=None, step=1):
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"""
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Trigger an event
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Parameters
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----------
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tool : a matplotlib.widgets.RectangleSelector instance
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etype
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the event to trigger
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xdata : int
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x coord of mouse in data coords
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ydata : int
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y coord of mouse in data coords
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button : int or str
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button pressed None, 1, 2, 3, 'up', 'down' (up and down are used
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for scroll events)
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key
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the key depressed when the mouse event triggered (see
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:class:`KeyEvent`)
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step : int
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number of scroll steps (positive for 'up', negative for 'down')
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"""
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event = mock.Mock()
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event.button = button
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ax = tool.ax
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event.x, event.y = ax.transData.transform([(xdata, ydata),
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(xdata, ydata)])[00]
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event.xdata, event.ydata = xdata, ydata
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event.inaxes = ax
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event.canvas = ax.figure.canvas
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event.key = key
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event.step = step
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event.guiEvent = None
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event.name = 'Custom'
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func = getattr(tool, etype)
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func(event)

‎lib/matplotlib/tests/test_widgets.py

Lines changed: 1 addition & 64 deletions
< 8000 td data-grid-cell-id="diff-49bef07a6ad7921c1aedc5b8786e8f86f5cd96ac5bb639b6d431f9d2b07d784c-2-0-0" data-selected="false" role="gridcell" style="background-color:var(--diffBlob-deletionNum-bgColor, var(--diffBlob-deletion-bgColor-num));text-align:center" tabindex="-1" valign="top" class="focusable-grid-cell diff-line-number position-relative left-side">2
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from types import SimpleNamespace
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import matplotlib.widgets as widgets
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import matplotlib.pyplot as plt
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from matplotlib.testing.decorators import image_comparison
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from matplotlib.testing.widgets import do_event, get_ax
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from numpy.testing import assert_allclose
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import pytest
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def get_ax():
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fig, ax = plt.subplots(1, 1)
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ax.plot([0, 200], [0, 200])
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ax.set_aspect(1.0)
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ax.figure.canvas.draw()
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return ax
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def do_event(tool, etype, button=1, xdata=0, ydata=0, key=None, step=1):
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"""
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*name*
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< 8000 span class=pl-s> the event name
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*canvas*
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the FigureCanvas instance generating the event
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*guiEvent*
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the GUI event that triggered the matplotlib event
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*x*
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x position - pixels from left of canvas
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*y*
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y position - pixels from bottom of canvas
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*inaxes*
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the :class:`~matplotlib.axes.Axes` instance if mouse is over axes
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*xdata*
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x coord of mouse in data coords
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*ydata*
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y coord of mouse in data coords
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*button*
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button pressed None, 1, 2, 3, 'up', 'down' (up and down are used
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for scroll events)
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*key*
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the key depressed when the mouse event triggered (see
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:class:`KeyEvent`)
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*step*
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number of scroll steps (positive for 'up', negative for 'down')
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"""
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event = SimpleNamespace()
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event.button = button
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ax = tool.ax
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event.x, event.y = ax.transData.transform([(xdata, ydata),
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(xdata, ydata)])[00]
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event.xdata, event.ydata = xdata, ydata
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event.inaxes = ax
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event.canvas = ax.figure.canvas
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event.key = key
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event.step = step
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event.guiEvent = None
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event.name = 'Custom'
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func = getattr(tool, etype)
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func(event)
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def check_rectangle(**kwargs):
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ax = get_ax()
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