entries: add EntryTreeWidget

This commit is contained in:
Simon Renblad 2024-03-19 11:03:27 +08:00 committed by Sébastien Bourdeauducq
parent c4323e1179
commit 244c73a592
1 changed files with 154 additions and 1 deletions

View File

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