def loadUserStyle(window, settings):
window.user_font = QFont(settings.value('font', QFont('Monospace')))
color = QColor(settings.value('color'))
if color.isValid():
window.user_color = color
else:
window.user_color = QColor(Qt.white)
def setCustomStyle(self, font, back):
self.user_font = font
self.user_color = back
for plot in self.setplots.values():
plot.setBackgroundColor(back)
plot.update()
bold = QFont(font)
bold.setBold(True)
larger = scaledFont(font, 1.6)
for plot in self.setplots.values():
plot.setFonts(font, bold, larger)
def __init__(self, parent, view, tb):
QDialog.__init__(self, parent)
loadUi(self, 'dialogs/traceback.ui')
self.tb = tb
self.view = view
self.client = parent.client
assert tb.startswith('Traceback')
# split into frames and message
frames = []
message = ''
curframe = []
for line in tb.splitlines():
if line.startswith(' '):
try:
name, v = line.split('=', 1)
except ValueError:
pass # most probably the "^" line of a SyntaxError
else:
if curframe:
curframe[2][name.strip()] = v.strip()
elif line.startswith(' '):
if curframe:
curframe[1] = line.strip()
elif line.startswith(' '):
curframe = [line.strip(), '', {}]
frames.append(curframe)
elif not line.startswith('Traceback'):
message += line
button = QPushButton('To clipboard', self)
self.buttonBox.addButton(button, QDialogButtonBox.ActionRole)
def copy():
QApplication.clipboard().setText(tb+'\n', QClipboard.Selection)
QApplication.clipboard().setText(tb+'\n', QClipboard.Clipboard)
button.clicked.connect(copy)
self.message.setText(message[:200])
self.tree.setFont(view.font())
boldfont = QFont(view.font())
boldfont.setBold(True)
for filename, line, bindings in frames:
item = QTreeWidgetItem(self.tree, [filename])
item.setFirstColumnSpanned(True)
item = QTreeWidgetItem(self.tree, [line])
item.setFirstColumnSpanned(True)
item.setFont(0, boldfont)
for var, value in iteritems(bindings):
QTreeWidgetItem(item, ['', var, value])
def setCustomStyle(self, font, back):
self.user_font = font
self.user_color = back
for view in self.views:
if view.plot:
view.plot.setBackgroundColor(back)
view.plot.update()
bold = QFont(font)
bold.setBold(True)
larger = scaledFont(font, 1.6)
for view in self.views:
if view.plot:
view.plot.setFonts(font, bold, larger)
def _add_time_point(self, center_x, center_y, time_point):
"""Add a single time point item."""
x = center_x - (self.TIMEPOINT_DIAMETER / 2)
y = center_y - (self.TIMEPOINT_DIAMETER / 2)
# Create the acutal time point item
time_point_item = QGraphicsEllipseItem(0, 0, self.TIMEPOINT_DIAMETER,
self.TIMEPOINT_DIAMETER)
# The used color is the strongest one of the FRM II colors.
time_point_item.setBrush(QBrush(QColor(0x00, 0x71, 0xbb)))
time_point_item.setPen(QPen(0))
self.scene().addItem(time_point_item)
time_point_item.setPos(x, y)
# place the time point item above the timeline and the selection item
time_point_item.setZValue(2)
# Create the label of the time point showing the time in the
# defined strftime format on the right side of the time point item.
label = QGraphicsTextItem(time_point.strftime(self.STRFTIME_FMT))
label.setFont(QFont('Monospace'))
label_height = label.boundingRect().height()
# minor height adjustment
label_y = y - label_height / 6
self.scene().addItem(label)
label.setPos(x + self.SELECTION_DIAMETER + self.LABEL_SPACING, label_y)
# store references to the item and the timepoint in the same dict
# to be able to use it for forward and reverse lookup
self._time_point_items[time_point] = time_point_item
self._time_point_items[time_point_item] = time_point
def _updateStyle(self, editor):
if self.custom_font is None:
return
bold = QFont(self.custom_font)
bold.setBold(True)
if has_scintilla:
lexer = editor.lexer()
lexer.setDefaultFont(self.custom_font)
for i in range(16):
lexer.setFont(self.custom_font, i)
# make keywords bold
lexer.setFont(bold, 5)
else:
editor.setFont(self.custom_font)
if has_scintilla:
lexer.setPaper(self.custom_back)
else:
setBackgroundColor(editor, self.custom_back)
def __init__(self, window, timeaxis=False):
DlgUtils.__init__(self, 'Plot')
self.window = window
self.plotcurves = []
self.show_all = False
self.timeaxis = timeaxis
self.hasSymbols = False
self.hasLines = True
# currently selected normalization column
self.normalized = None
self.fitter = None
font = self.window.user_font
bold = QFont(font)
bold.setBold(True)
larger = scaledFont(font, 1.6)
self.setFonts(font, bold, larger)
def __init__(self, ps1='>>> ', ps2='... ', startup_message='', parent=None):
QPlainTextEdit.__init__(self, parent)
self.ps1, self.ps2 = ps1, ps2
self.history = []
self.namespace = {}
self.construct = []
self.compiler = codeop.CommandCompiler()
self.stdout = StdoutProxy(self.appendPlainText)
self.setWordWrapMode(QTextOption.WrapAnywhere)
self.setUndoRedoEnabled(False)
self.document().setDefaultFont(QFont('Monospace', 10, QFont.Normal))
self.showMessage(startup_message)
def viewTextFile(self, fname):
with open(fname) as f:
contents = f.read()
qd = QDialog(self, 'PreviewDlg', True)
qd.setCaption('File preview')
qd.resize(QSize(500, 500))
lay = QVBoxLayout(qd, 11, 6, 'playout')
lb = QLabel(qd, 'label')
lb.setText('Viewing %s:' % fname)
lay.addWidget(lb)
tx = QTextEdit(qd, 'preview')
tx.setReadOnly(1)
tx.setText(contents)
font = QFont(tx.font())
font.setFamily('monospace')
tx.setFont(font)
lay.addWidget(tx)
btn = QPushButton(qd, 'ok')
btn.setAutoDefault(1)
btn.setDefault(1)
btn.setText('Close')
btn.clicked.connect(qd.accept)
lay.addWidget(btn, 0, QWidget.AlignRight)
qd.show()
def __init__(self, parent, client, options):
Panel.__init__(self, parent, client, options)
loadUi(self, 'panels/scans.ui')
ArbitraryFitter.arby_functions.update(options.get('fit_functions', {}))
self.statusBar = QStatusBar(self, sizeGripEnabled=False)
policy = self.statusBar.sizePolicy()
policy.setVerticalPolicy(QSizePolicy.Fixed)
self.statusBar.setSizePolicy(policy)
self.layout().addWidget(self.statusBar)
self.x_menu = QMenu(self)
self.x_menu.aboutToShow.connect(self.on_x_menu_aboutToShow)
self.actionXAxis.setMenu(self.x_menu)
self.y_menu = QMenu(self)
self.y_menu.aboutToShow.connect(self.on_y_menu_aboutToShow)
self.actionYAxis.setMenu(self.y_menu)
self.actionAutoDisplay.setChecked(True)
self.norm_menu = QMenu(self)
self.norm_menu.aboutToShow.connect(self.on_norm_menu_aboutToShow)
self.actionNormalized.setMenu(self.norm_menu)
quickfit = QShortcut(QKeySequence("G"), self)
quickfit.activated.connect(self.on_quickfit)
self.user_color = Qt.white
self.user_font = QFont('Monospace')
self.bulk_adding = False
self.no_openset = False
self.last_norm_selection = None
self.fitclass = GaussFitter
self.fitfuncmap = {}
self.menus = None
self.bars = None
self.data = self.mainwindow.data
# maps set uid -> plot
self.setplots = {}
# maps set uid -> list item
self.setitems = {}
# current plot object
self.currentPlot = None
# stack of set uids
self.setUidStack = []
# uids of automatically combined datasets -> uid of combined one
self.contSetUids = {}
self.splitter.setSizes([20, 80])
self.splitter.restoreState(self.splitterstate)
if self.tablecolwidth0 > 0:
self.metaTable.setColumnWidth(0, self.tablecolwidth0)
self.metaTable.setColumnWidth(1, self.tablecolwidth1)
self.data.datasetAdded.connect(self.on_data_datasetAdded)
self.data.pointsAdded.connect(self.on_data_pointsAdded)
self.data.fitAdded.connect(self.on_data_fitAdded)
client.experiment.connect(self.on_client_experiment)
self.setCurrentDataset(None)
self.updateList()
def initGui(self):
def log_unhandled(*exc_info):
traceback.print_exception(*exc_info)
self.log.exception('unhandled exception in QT callback',
exc_info=exc_info)
sys.excepthook = log_unhandled
self._qtapp = QApplication(['qtapp'], organizationName='nicos',
applicationName='gui')
self._master = master = MonitorWindow()
if self._geometry == 'fullscreen':
master.showFullScreen()
master._wantFullScreen = True
# In some Qt5 versions, showFullScreen is buggy and doesn't
# actually resize the window (but hides decoration etc).
# So, explicitly set the geometry of the first screen.
master.setGeometry(QApplication.screens()[0].geometry())
QCursor.setPos(master.geometry().bottomRight())
elif isinstance(self._geometry, tuple):
w, h, x, y = self._geometry
master.setGeometry(x, y, w, h)
# colors used for the display of watchdog warnings, not for the
# individual value displays
self._bgcolor = QColor('gray')
self._black = QColor('black')
self._red = QColor('red')
self._gray = QColor('gray')
master.setWindowTitle(self.title)
self._bgcolor = master.palette().color(QPalette.Window)
timefont = QFont(self.font, self._timefontsize)
blockfont = QFont(self.font, self._fontsizebig)
warnfont = QFont(self.font, self._fontsizebig)
warnfont.setBold(True)
labelfont = QFont(self.font, self._fontsize)
stbarfont = QFont(self.font, int(self._fontsize * 0.8))
valuefont = QFont(self.valuefont or self.font, self._fontsize)
blheight = QFontMetrics(blockfont).height()
tiheight = QFontMetrics(timefont).height()
# split window into to panels/frames below each other:
# one displays time, the other is divided further to display blocks.
# first the timeframe:
masterframe = QFrame(master)
masterlayout = QVBoxLayout()
if self.title:
self._titlelabel = QLabel(
'', master, font=timefont, autoFillBackground=True,
alignment=Qt.AlignHCenter)
pal = self._titlelabel.palette()
pal.setColor(QPalette.WindowText, self._gray)
self._titlelabel.setPalette(pal)
self._titlelabel.setSizePolicy(QSizePolicy.Preferred,
QSizePolicy.Fixed)
self._master.updateTitle.connect(self._titlelabel.setText)
masterlayout.addWidget(self._titlelabel)
masterlayout.addSpacing(0.2 * tiheight)
else:
self._titlelabel = None
self._warnpanel = QFrame(master)
self._warnpanel.setVisible(False)
warningslayout = QVBoxLayout()
lbl = QLabel('Warnings', self._warnpanel, font=warnfont)
lbl.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Fixed)
warningslayout.addWidget(lbl)
self._warnlabel = SqueezedLabel('', self._warnpanel, font=blockfont)
warningslayout.addWidget(self._warnlabel)
self._warnpanel.setLayout(warningslayout)
masterlayout.addWidget(self._warnpanel)
master.switchWarnPanel.connect(self._switch_warnpanel)
displayframe = QFrame(master)
self._plots = {}
colorScheme = lightColorScheme if self.colors == 'light' else None
fontCache = {1.0: valuefont}
def _create_field(groupframe, field):
def _setup(widget):
fontscale = field.get('fontscale', 1.0)
if fontscale not in fontCache:
fontCache[fontscale] = scaledFont(valuefont, fontscale)
widget.valueFont = fontCache[fontscale]
widget.setFont(labelfont)
for key in field:
if key in widget.properties:
setattr(widget, key, field[key])
widget.setSource(self)
if hasattr(widget, 'widgetInfo'):
widget.widgetInfo.connect(self.newWidgetInfo)
return widget
if isinstance(field, str):
field = {'dev': field}
if 'min' in field:
field['min'] = repr(field['min'])
if 'max' in field:
field['max'] = repr(field['max'])
setups = field.get('setups', None)
if 'gui' in field:
resource = findResource(field.pop('gui'))
try:
instance = uic.loadUi(resource)
except Exception as err:
self.log.exception('could not load .ui file %r, ignoring',
resource)
instance = QLabel('%r could not be loaded:\n%s' %
(resource, err))
else:
for child in instance.findChildren(NicosWidget):
_setup(child)
instance.setups = setups
return instance
elif 'widget' in field:
widget_class = self._class_import(field.pop('widget'))
widget = widget_class(groupframe)
if isinstance(widget, NicosWidget):
_setup(widget)
for child in widget.findChildren(NicosWidget):
_setup(child)
widget.setups = setups
return widget
elif 'plot' in field and plot_available:
# XXX make this more standard
plotwidget = self._plots.get(field['plot'])
if plotwidget:
plotwidget.devices += [field.get('dev', field.get('key', ''))]
plotwidget.names += [field.get('name', field.get('dev', field.get('key', '')))]
return None
plotwidget = TrendPlot(groupframe)
_setup(plotwidget)
plotwidget.legend = field.get('legend', True)
plotwidget.plotwindow = field.get('plotwindow', 3600)
plotwidget.plotinterval = field.get('plotinterval', 2)
self._plots[field['plot']] = plotwidget
plotwidget.devices = [field.get('dev', field.get('key', ''))]
plotwidget.names = [field.get('name', field.get('dev', field.get('key', '')))]
plotwidget.setups = setups
return plotwidget
elif 'picture' in field:
picwidget = PictureDisplay(groupframe)
picwidget.filepath = field['picture']
picwidget.setups = setups
return _setup(picwidget)
else:
display = ValueDisplay(groupframe, colorScheme=colorScheme,
showExpiration=self.noexpired)
display.setups = setups
return _setup(display)
# now iterate through the layout and create the widgets to display it
displaylayout = QVBoxLayout(spacing=20)
for superrow in self.layout:
boxlayout = QHBoxLayout(spacing=20)
boxlayout.setContentsMargins(10, 10, 10, 10)
for column in superrow:
columnlayout = QVBoxLayout(spacing=0.8*blheight)
for block in column:
block = self._resolve_block(block)
blocklayout_outer = QHBoxLayout()
blocklayout_outer.addStretch()
blocklayout = QVBoxLayout()
blocklayout.addSpacing(0.5 * blheight)
blockbox = BlockBox(displayframe, block._title, blockfont,
block._options)
for row in block:
if row in (None, '---'):
blocklayout.addSpacing(12)
else:
rowlayout = QHBoxLayout()
rowlayout.addStretch()
rowlayout.addSpacing(self._padding)
for field in row:
fieldwidget = _create_field(blockbox, field)
if fieldwidget:
rowlayout.addWidget(fieldwidget)
rowlayout.addSpacing(self._padding)
if fieldwidget.setups:
if blockbox.setups:
blockbox._onlyfields.append(fieldwidget)
else:
self._onlyfields.append(fieldwidget)
# start hidden
fieldwidget.setHidden(True)
rowlayout.addStretch()
blocklayout.addLayout(rowlayout)
if blockbox.setups:
self._onlyblocks.append((blocklayout_outer, blockbox))
blockbox.setHidden(True) # start hidden
blocklayout.addSpacing(0.3 * blheight)
blockbox.setLayout(blocklayout)
blocklayout_outer.addWidget(blockbox)
blocklayout_outer.addStretch()
columnlayout.addLayout(blocklayout_outer)
columnlayout.addStretch()
boxlayout.addLayout(columnlayout)
displaylayout.addLayout(boxlayout)
displayframe.setLayout(displaylayout)
for plot in self._plots.values():
plot.setSource(self)
masterlayout.addWidget(displayframe)
masterframe.setLayout(masterlayout)
master.setCentralWidget(masterframe)
# initialize status bar
self._statuslabel = QLabel(font=stbarfont)
master.statusBar().addWidget(self._statuslabel)
self._statustimer = None
master.show()
def __init__(self):
loadUi(self, 'panels/history.ui')
self.user_color = Qt.white
self.user_font = QFont('Monospace')
self.views = []
# stack of views to display
self.viewStack = []
# maps watched keys to their views
self.keyviews = {}
# current plot object
self.currentPlot = None
self.fitclass = LinearFitter
self.fitfuncmap = {}
self.enablePlotActions(False)
self.presetmenu = QMenu('&Presets', self)
for (name, view) in self.last_views:
item = QListWidgetItem(name, self.viewList)
item.setForeground(QBrush(QColor('#aaaaaa')))
item.setData(Qt.UserRole, view)
self.menus = None
self.bar = None
# NOTE: for this class, automatic connections don't work on PyQt4 >=
# 4.12 since this class is not derived from QObject. But on older PyQt4
# and PyQt5, they do work, so we change use the usual naming scheme
# slightly to avoid double connections.
self.viewList.currentItemChanged.connect(
self.on__viewList_currentItemChanged)
self.viewList.itemClicked.connect(self.on__viewList_itemClicked)
self.viewList.itemDoubleClicked.connect(
self.on__viewList_itemDoubleClicked)
self.actionNew.triggered.connect(self.on__actionNew_triggered)
self.actionEditView.triggered.connect(
self.on__actionEditView_triggered)
self.actionCloseView.triggered.connect(
self.on__actionCloseView_triggered)
self.actionResetView.triggered.connect(
self.on__actionResetView_triggered)
self.actionDeleteView.triggered.connect(
self.on__actionDeleteView_triggered)
self.actionSavePlot.triggered.connect(
self.on__actionSavePlot_triggered)
self.actionPrint.triggered.connect(self.on__actionPrint_triggered)
self.actionUnzoom.triggered.connect(self.on__actionUnzoom_triggered)
self.actionLogScale.toggled.connect(self.on__actionLogScale_toggled)
self.actionAutoScale.toggled.connect(self.on__actionAutoScale_toggled)
self.actionScaleX.toggled.connect(self.on__actionScaleX_toggled)
self.actionScaleY.toggled.connect(self.on__actionScaleY_toggled)
self.actionLegend.toggled.connect(self.on__actionLegend_toggled)
self.actionSymbols.toggled.connect(self.on__actionSymbols_toggled)
self.actionLines.toggled.connect(self.on__actionLines_toggled)
self.actionSaveData.triggered.connect(
self.on__actionSaveData_triggered)
self.actionFitPeak.triggered.connect(self.on__actionFitPeak_triggered)
self.actionFitArby.triggered.connect(self.on__actionFitArby_triggered)
self.actionFitPeakGaussian.triggered.connect(
self.on__actionFitPeakGaussian_triggered)
self.actionFitPeakLorentzian.triggered.connect(
self.on__actionFitPeakLorentzian_triggered)
self.actionFitPeakPV.triggered.connect(
self.on__actionFitPeakPV_triggered)
self.actionFitPeakPVII.triggered.connect(
self.on__actionFitPeakPVII_triggered)
self.actionFitTc.triggered.connect(self.on__actionFitTc_triggered)
self.actionFitCosine.triggered.connect(
self.on__actionFitCosine_triggered)
self.actionFitSigmoid.triggered.connect(
self.on__actionFitSigmoid_triggered)
self.actionFitLinear.triggered.connect(
self.on__actionFitLinear_triggered)
self.actionFitExponential.triggered.connect(
self.on__actionFitExponential_triggered)
def scaledFont(font, scale):
new = QFont(font)
new.setPointSizeF(font.pointSizeF() * scale)
return new
def convert(value):
if isinstance(value, QFont):
# QFont doesn't like to be copied with copy()...
return QFont(value)
return copy(value)
# keys: (expired, fixed)
valueBrush = {
(False, False): QBrush(),
(False, True): QBrush(Qt.blue),
(True, False): QBrush(QColor('#aaaaaa')),
(True, True): QBrush(QColor('#aaaaaa')),
}
lowlevelBrush = {
False: QBrush(Qt.black),
True: QBrush(QColor('#666666')),
}
lowlevelFont = {
False: QFont(),
True: QFont(QFont().family(), -1, -1, True),
}
# QTreeWidgetItem types
SETUP_TYPE = QTreeWidgetItem.UserType
DEVICE_TYPE = SETUP_TYPE + 1
PARAM_TYPE = SETUP_TYPE + 2
def setBackgroundBrush(widget, color):
palette = widget.palette()
palette.setBrush(QPalette.Window, color)
widget.setBackgroundRole(QPalette.Window)
widget.setPalette(palette)
class NicosWidget(NicosListener):
"""Base mixin class for a widget that can receive cache events.
This class can't inherit directly from QObject because Python classes
can only derive from one PyQt base class, and that base class will be
different for different widgets.
"""
# source for cache keys
_source = None
# daemon-client object, only present when used in the GUI client
_client = None
# set this to a description of the widget for the Qt designer
designer_description = ''
# set this to an icon name for the Qt designer
designer_icon = None
# define properties
valueFont = PropDef('valueFont', 'QFont', QFont('Monospace'),
'Font used for displaying values')
# collects all properties of self's class
@lazy_property
def properties(self):
props = {}
for attrname in dir(self.__class__):
attr = getattr(self.__class__, attrname)
if isinstance(attr, pyqtProperty):
props[attrname] = attr
return props
# dictionary for storing current property values
@lazy_property
def props(self):
return {}
def __init__(self):
for prop, pdef in iteritems(self.properties):
if prop not in self.props:
if callable(pdef.default):
self.props[prop] = PropDef.convert(pdef.default(self))
else:
self.props[prop] = PropDef.convert(pdef.default)
self._scale = QFontMetrics(self.valueFont).width('0')
self.initUi()
def initUi(self):
"""Create user interface if necessary."""
def propertyUpdated(self, pname, value):
"""Called when a property in self.properties has been updated."""
if pname == 'valueFont':
self._scale = QFontMetrics(value).width('0')
self.update()
def setClient(self, client):
self.setSource(client)
self._client = client
# refresh all keys at widget creation time to get an initial value
for key in self._devmap:
ret = self._client.getCacheKey(key)
if ret:
self.on_keyChange(ret[0], ret[1], 0, False)
# auto-connect client signal handlers
for signal in DAEMON_EVENTS:
handler = getattr(self, 'on_client_' + signal, None)
if handler:
getattr(self._client, signal).connect(handler)
def __init__(self, parent, view, tb):
QDialog.__init__(self, parent)
loadUi(self, 'dialogs/traceback.ui')
self.tb = tb
self.view = view
self.client = parent.client
assert tb.startswith(TB_HEADER)
# split into frames and message
frames = []
message = ''
curframe = []
for line in tb.splitlines():
if line.startswith(' '): # frame local variable
try:
name, v = line.split('=', 1)
except ValueError:
pass # most probably the "^" line of a SyntaxError
else:
if curframe:
curframe[2][name.strip()] = v.strip()
elif line.startswith(' '): # frame source code
if curframe:
curframe[1] = line
elif line.startswith(' '): # frame file/line
curframe = [line.strip(), '', {}, None, None]
frames.append(curframe)
elif line.startswith(TB_CAUSE_MSG):
curframe[-2] = message
elif line.startswith(TB_CONTEXT_MSG):
curframe[-1] = message
elif line.startswith(TB_HEADER):
message = '' # only collect the message of the final exc
else:
message += line
button = QPushButton('To clipboard', self)
self.buttonBox.addButton(button, QDialogButtonBox.ActionRole)
def copy():
QApplication.clipboard().setText(tb+'\n', QClipboard.Selection)
QApplication.clipboard().setText(tb+'\n', QClipboard.Clipboard)
button.clicked.connect(copy)
def line_item(msg):
item = QTreeWidgetItem(self.tree, [msg])
item.setFirstColumnSpanned(True)
return item
self.message.setText(message[:200])
self.tree.setFont(view.font())
boldfont = QFont(view.font())
boldfont.setBold(True)
for filename, line, bindings, cause, context in frames:
line_item(filename)
code_item = line_item(line)
code_item.setFont(0, boldfont)
for var, value in bindings.items():
QTreeWidgetItem(code_item, ['', var, value])
if cause:
line_item(cause)
line_item('')
line_item(TB_CAUSE_MSG).setFont(0, boldfont)
line_item('')
elif context:
line_item(context)
line_item('')
line_item(TB_CONTEXT_MSG).setFont(0, boldfont)
line_item('')
line_item(message)
def drawText(self, event, qp):
qp.setPen(self.textColor())
qp.setFont(QFont('Arial', 10))
qp.drawText(event.rect(), Qt.AlignLeft, str(self.main.start()))
qp.drawText(event.rect(), Qt.AlignRight, str(self.main.end()))
