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from matplotlib.figure import Figure |
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from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas |
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from PyQt5.QtWidgets import QVBoxLayout, qApp, QLabel, QDoubleSpinBox, QScrollArea |
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def stepsFigure(workspace): |
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"""GUI layout for step-by-step solution |
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Arguments: |
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workspace {QtWidgets.QWidget} -- main layout |
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Returns: |
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stepslayout {QtWidgets.QVBoxLayout} -- step-by-step solution layout |
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""" |
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workspace.stepsfigure = Figure() |
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workspace.stepscanvas = FigureCanvas(workspace.stepsfigure) |
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workspace.stepsfigure.clear() |
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workspace.scroll = QScrollArea() |
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workspace.scroll.setWidget(workspace.stepscanvas) |
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stepslayout = QVBoxLayout() |
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stepslayout.addWidget(workspace.scroll) |
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return stepslayout |
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def showSteps(workspace): |
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"""Renders step-by-step solution in matplotlib figure |
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Arguments: |
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workspace {QtWidgets.QWidget} -- main layout |
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""" |
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workspace.stepsfigure.suptitle(workspace.output, y=0.98, |
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horizontalalignment='center', |
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verticalalignment='top', size=qApp.font().pointSize()*workspace.stepsFontSize) |
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workspace.stepscanvas.draw() |
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hbar = workspace.scroll.horizontalScrollBar() |
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hbar.setValue((hbar.minimum()+hbar.maximum())/2) |
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def stepsPref(workspace): |
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workspace.sizeChangeText = QLabel("Steps font size: " + str(round(workspace.stepsFontSize, 1)) + "x") |
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workspace.sizeChangeBox = QDoubleSpinBox() |
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workspace.sizeChangeBox.setFixedSize(200, 30) |
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workspace.sizeChangeBox.setRange(0.1, 10) |
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workspace.sizeChangeBox.setValue(1) |
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workspace.sizeChangeBox.setSingleStep(0.1) |
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workspace.sizeChangeBox.setSuffix('x') |
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workspace.sizeChangeBox.valueChanged.connect(lambda: sizeChange(workspace)) |
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return workspace.sizeChangeText, workspace.sizeChangeBox |
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def sizeChange(workspace): |
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workspace.stepsFontSize = workspace.sizeChangeBox.value() |
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workspace.sizeChangeText.setText("Steps font size: " + str(round(workspace.stepsFontSize, 1)) + "x") |
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if workspace.resultOut is True: |
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showSteps(workspace) |
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