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# TODO's:
# * Solve the legend update. That isn't working at all.
# * Zoom etc. Might need to change FigureCanvas. Or just something very little.
import re
import sys
from matplotlib.backends.backend_qt5agg import (
FigureCanvasQTAgg as FigureCanvas,
)
from matplotlib.figure import Figure
from matplotlib.ticker import MaxNLocator
from qtpy.QtCore import Qt
from qtpy.QtGui import QKeySequence
# Intereme imports for the Plot class:
from qtpy.QtWidgets import ( # QFrame,; QScrollArea,; QLineEdit,; QSizePolicy,; QLabel,
QApplication,
QCheckBox,
QDialog,
QFileDialog,
QHBoxLayout,
QListWidget,
QListWidgetItem,
QPushButton,
QShortcut,
QVBoxLayout,
)
class PlotCanvas(FigureCanvas):
"""PlotCanvas is used as a part in the PlotWindow."""
def __init__(self, logger, parent=None, width=5, height=4, dpi=100):
fig = Figure(figsize=(width, height), dpi=dpi)
super().__init__(fig)
self.axes = fig.add_subplot(111)
self.axes.xaxis.set_major_locator(MaxNLocator(integer=True))
self.legend = None
self.logger = logger
FigureCanvas.updateGeometry(self)
self.save_figure = QShortcut(QKeySequence("Ctrl+S"), self)
self.save_figure.activated.connect(self._save_plot_figure)
def _save_plot_figure(self):
self.logger.info(f"Saving plot of figure: {self.sfg.name}.")
file_choices = "PNG (*.png)|*.png"
path, ext = QFileDialog.getSaveFileName(
self, "Save file", "", file_choices
)
path = path.encode("utf-8")
if not path[-4:] == file_choices[-4:].encode("utf-8"):
path += file_choices[-4:].encode("utf-8")
if path:
self.print_figure(path.decode(), dpi=self.dpi)
self.logger.info(f"Saved plot: {self.sfg.name} to path: {path}.")
class PlotWindow(QDialog):
"""Dialog for plotting the result of a simulation."""
def __init__(
self,
sim_result,
super().__init__(parent=parent)
# self._window = window
self.setWindowFlags(
Qt.WindowTitleHint
| Qt.WindowCloseButtonHint
| Qt.WindowMinimizeButtonHint
| Qt.WindowMaximizeButtonHint
| Qt.WindowStaysOnTopHint
)
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self.setWindowTitle("Simulation result")
self.sim_result = sim_result
self._auto_redraw = False
# Categorise sim_results into inputs, outputs, delays, others
sim_res_ins = {}
sim_res_outs = {}
sim_res_delays = {}
sim_res_others = {}
for key in sim_result:
if re.fullmatch("in[0-9]+", key):
sim_res_ins[key] = sim_result[key]
elif re.fullmatch("[0-9]+", key):
sim_res_outs[key] = sim_result[key]
elif re.fullmatch("t[0-9]+", key):
sim_res_delays[key] = sim_result[key]
else:
sim_res_others[key] = sim_result[key]
# Layout: ############################################
# | list | |
# | ... | plot |
# | misc | |
self.dialog_layout = QHBoxLayout()
self.setLayout(self.dialog_layout)
listlayout = QVBoxLayout()
self.plotcanvas = PlotCanvas(
logger=logger, parent=self, width=5, height=4, dpi=100
)
self.dialog_layout.addLayout(listlayout)
self.dialog_layout.addWidget(self.plotcanvas)
########### Plot: ##############
# Do this before the list layout, as the list layout will re/set visibility
# Note: The order is of importens. Interesting lines last, to be on top.
self._lines = {}
for key in (
sim_res_others | sim_res_delays | sim_res_ins | sim_res_outs
):
line = self.plotcanvas.axes.plot(
sim_result[key], visible=False, label=key
)
self._lines[key] = line
self.plotcanvas.legend = self.plotcanvas.axes.legend()
########### List layout: ##############
# Add two buttons for selecting all/none:
hlayout = QHBoxLayout()
button_all = QPushButton("&All")
button_all.clicked.connect(self._button_all_click)
hlayout.addWidget(button_all)
button_none = QPushButton("&None")
button_none.clicked.connect(self._button_none_click)
hlayout.addWidget(button_none)
listlayout.addLayout(hlayout)
# Add the entire list
self.checklist = QListWidget()
self.checklist.itemChanged.connect(self._item_change)
listitems = {}
for key in (
sim_res_ins | sim_res_outs | sim_res_delays | sim_res_others
):
listitem = QListWidgetItem(key)
listitems[key] = listitem
self.checklist.addItem(listitem)
listitem.setCheckState(
Qt.CheckState.Unchecked # CheckState: Qt.CheckState.{Unchecked, PartiallyChecked, Checked}
)
for key in sim_res_outs:
listitems[key].setCheckState(Qt.CheckState.Checked)
self.checklist.setFixedWidth(150)
listlayout.addWidget(self.checklist)
# Add additional checkboxes
self.legend_checkbox = QCheckBox("&Legend")
self.legend_checkbox.stateChanged.connect(self._legend_checkbox_change)
self.legend_checkbox.setCheckState(Qt.CheckState.Checked)
listlayout.addWidget(self.legend_checkbox)
# self.ontop_checkbox = QCheckBox("&On top")
# self.ontop_checkbox.stateChanged.connect(self._ontop_checkbox_change)
# self.ontop_checkbox.setCheckState(Qt.CheckState.Unchecked)
# listlayout.addWidget(self.ontop_checkbox)
# Add "Close" buttons
buttonClose = QPushButton("&Close", self)
buttonClose.clicked.connect(self.close)
listlayout.addWidget(buttonClose)
# Done. Tell the functions below to redraw the canvas when needed.
# self.plotcanvas.draw()
self._auto_redraw = True
def _legend_checkbox_change(self, checkState):
self.plotcanvas.legend.set(
visible=(checkState == Qt.CheckState.Checked)
)
if self._auto_redraw:
if checkState == Qt.CheckState.Checked:
self.plotcanvas.legend = self.plotcanvas.axes.legend()
self.plotcanvas.draw()
# def _ontop_checkbox_change(self, checkState):
# Bugg: It seems the window closes if you change the WindowStaysOnTopHint.
# (Nothing happens if "changing" from False to False or True to True)
# self.setWindowFlag(Qt.WindowStaysOnTopHint, on = (checkState == Qt.CheckState.Checked))
# self.setWindowFlag(Qt.WindowStaysOnTopHint, on = True)
# print("_ontop_checkbox_change")
def _button_all_click(self, event):
self._auto_redraw = False
for x in range(self.checklist.count()):
self.checklist.item(x).setCheckState(Qt.CheckState.Checked)
self._auto_redraw = True
self.plotcanvas.draw()
def _button_none_click(self, event):
self._auto_redraw = False
for x in range(self.checklist.count()):
self.checklist.item(x).setCheckState(Qt.CheckState.Unchecked)
self._auto_redraw = True
self.plotcanvas.draw()
def _item_change(self, listitem):
key = listitem.text()
self._lines[key][0].set(
visible=(listitem.checkState() == Qt.CheckState.Checked)
)
if self._auto_redraw:
if self.legend_checkbox.checkState == Qt.CheckState.Checked:
self.plotcanvas.legend = self.plotcanvas.axes.legend()
self.plotcanvas.draw()
# Simple test of the dialog
if __name__ == "__main__":
app = QApplication(sys.argv)
# sim_res = {"c1": [3, 6, 7], "c2": [4, 5, 5], "bfly1.0": [7, 0, 0], "bfly1.1": [-1, 0, 2], "0": [1, 2, 3]}
sim_res = {
'0': [0.5, 0.5, 0, 0],
'add1': [0.5, 0.5, 0, 0],
'cmul1': [0, 0.5, 0, 0],
'cmul2': [0.5, 0, 0, 0],
'in1': [1, 0, 0, 0],
't1': [0, 1, 0, 0],
}
win = PlotWindow(
# window=None, sim_result=sim_res, sfg_name="hej", logger=print
sim_result=sim_res,
)
win.exec_()
# win.show()