mirror of https://github.com/m-labs/artiq
entries: add EntryTreeWidget
parent
c4323e1179
commit
244c73a592
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@ -1,9 +1,10 @@
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import logging
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from collections import OrderedDict
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from functools import partial
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from PyQt5 import QtCore, QtGui, QtWidgets
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from artiq.gui.tools import LayoutWidget, disable_scroll_wheel
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from artiq.gui.tools import LayoutWidget, disable_scroll_wheel, WheelFilter
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from artiq.gui.scanwidget import ScanWidget
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from artiq.gui.scientific_spinbox import ScientificSpinBox
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@ -11,6 +12,158 @@ from artiq.gui.scientific_spinbox import ScientificSpinBox
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logger = logging.getLogger(__name__)
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class EntryTreeWidget(QtWidgets.QTreeWidget):
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def __init__(self):
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QtWidgets.QTreeWidget.__init__(self)
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self.setColumnCount(3)
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self.header().setStretchLastSection(False)
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if hasattr(self.header(), "setSectionResizeMode"):
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set_resize_mode = self.header().setSectionResizeMode
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else:
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set_resize_mode = self.header().setResizeMode
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set_resize_mode(0, QtWidgets.QHeaderView.ResizeToContents)
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set_resize_mode(1, QtWidgets.QHeaderView.Stretch)
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set_resize_mode(2, QtWidgets.QHeaderView.ResizeToContents)
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self.header().setVisible(False)
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self.setSelectionMode(self.NoSelection)
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self.setHorizontalScrollMode(self.ScrollPerPixel)
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self.setVerticalScrollMode(self.ScrollPerPixel)
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self.setStyleSheet("QTreeWidget {background: " +
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self.palette().midlight().color().name() + " ;}")
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self.viewport().installEventFilter(WheelFilter(self.viewport(), True))
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self._groups = dict()
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self._arg_to_widgets = dict()
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self._arguments = dict()
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self.gradient = QtGui.QLinearGradient(
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0, 0, 0, QtGui.QFontMetrics(self.font()).lineSpacing() * 2.5)
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self.gradient.setColorAt(0, self.palette().base().color())
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self.gradient.setColorAt(1, self.palette().midlight().color())
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self.bottom_item = QtWidgets.QTreeWidgetItem()
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self.addTopLevelItem(self.bottom_item)
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self.bottom_item.setHidden(True)
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def set_argument(self, key, argument):
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self._arguments[key] = argument
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widgets = dict()
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self._arg_to_widgets[key] = widgets
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entry_class = procdesc_to_entry(argument["desc"])
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argument["state"] = entry_class.default_state(argument["desc"])
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entry = entry_class(argument)
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widget_item = QtWidgets.QTreeWidgetItem([key])
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if argument["tooltip"]:
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widget_item.setToolTip(0, argument["tooltip"])
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widgets["entry"] = entry
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widgets["widget_item"] = widget_item
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if len(self._arguments) > 1:
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self.bottom_item.setHidden(False)
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for col in range(3):
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widget_item.setBackground(col, self.gradient)
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font = widget_item.font(0)
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font.setBold(True)
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widget_item.setFont(0, font)
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if argument["group"] is None:
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self.insertTopLevelItem(self.indexFromItem(self.bottom_item).row(), widget_item)
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else:
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self._get_group(argument["group"]).addChild(widget_item)
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self.bottom_item.setHidden(False)
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fix_layout = LayoutWidget()
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widgets["fix_layout"] = fix_layout
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fix_layout.addWidget(entry)
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self.setItemWidget(widget_item, 1, fix_layout)
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reset_entry = QtWidgets.QToolButton()
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reset_entry.setToolTip("Reset to default value")
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reset_entry.setIcon(
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QtWidgets.QApplication.style().standardIcon(
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QtWidgets.QStyle.SP_BrowserReload))
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reset_entry.clicked.connect(partial(self.reset_entry, key))
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disable_other_scans = QtWidgets.QToolButton()
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widgets["disable_other_scans"] = disable_other_scans
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disable_other_scans.setIcon(
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QtWidgets.QApplication.style().standardIcon(
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QtWidgets.QStyle.SP_DialogResetButton))
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disable_other_scans.setToolTip("Disable other scans")
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disable_other_scans.clicked.connect(
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partial(self._disable_other_scans, key))
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if not isinstance(entry, ScanEntry):
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disable_other_scans.setVisible(False)
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tool_buttons = LayoutWidget()
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tool_buttons.layout.setRowStretch(0, 1)
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tool_buttons.layout.setRowStretch(3, 1)
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tool_buttons.addWidget(reset_entry, 1)
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tool_buttons.addWidget(disable_other_scans, 2)
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self.setItemWidget(widget_item, 2, tool_buttons)
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def _get_group(self, key):
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if key in self._groups:
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return self._groups[key]
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group = QtWidgets.QTreeWidgetItem([key])
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for col in range(3):
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group.setBackground(col, self.palette().mid())
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group.setForeground(col, self.palette().brightText())
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font = group.font(col)
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font.setBold(True)
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group.setFont(col, font)
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self.insertTopLevelItem(self.indexFromItem(self.bottom_item).row(), group)
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self._groups[key] = group
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return group
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def _disable_other_scans(self, current_key):
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for key, widgets in self._arg_to_widgets.items():
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if (key != current_key and isinstance(widgets["entry"], ScanEntry)):
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widgets["entry"].disable()
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def update_argument(self, key, argument):
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widgets = self._arg_to_widgets[key]
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# Qt needs a setItemWidget() to handle layout correctly,
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# simply replacing the entry inside the LayoutWidget
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# results in a bug.
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widgets["entry"].deleteLater()
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widgets["entry"] = procdesc_to_entry(argument["desc"])(argument)
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widgets["disable_other_scans"].setVisible(
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isinstance(widgets["entry"], ScanEntry))
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widgets["fix_layout"].deleteLater()
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widgets["fix_layout"] = LayoutWidget()
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widgets["fix_layout"].addWidget(widgets["entry"])
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self.setItemWidget(widgets["widget_item"], 1, widgets["fix_layout"])
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self.updateGeometries()
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def reset_entry(self, key):
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procdesc = self._arguments[key]["desc"]
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self._arguments[key]["state"] = procdesc_to_entry(procdesc).default_state(procdesc)
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self.update_argument(key, self._arguments[key])
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def save_state(self):
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expanded = []
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for k, v in self._groups.items():
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if v.isExpanded():
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expanded.append(k)
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return {
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"expanded": expanded,
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"scroll": self.verticalScrollBar().value()
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}
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def restore_state(self, state):
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for e in state["expanded"]:
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try:
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self._groups[e].setExpanded(True)
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except KeyError:
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pass
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self.verticalScrollBar().setValue(state["scroll"])
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class StringEntry(QtWidgets.QLineEdit):
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def __init__(self, argument):
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QtWidgets.QLineEdit.__init__(self)
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