def createConfigurationInterface(self, dlg):
self.configPage = ConfigPage(None, self.applet)
self.configPage.setData(self.cfg)
dlg.addPage(self.configPage, i18n('General'), 'applications-utilities')
self.connect(dlg, SIGNAL('applyClicked()'), self, SLOT('configAccepted()'))
self.connect(dlg, SIGNAL('okClicked()'), self, SLOT('configAccepted()'))
class AnalogMeter(Applet):
def __init__(self, parent, args = None):
Applet.__init__(self, parent)
self.cfg = {}
self.halfSecondSource = False
def init(self):
# To find ui files from package dir
UiHelper.applet = self.applet
self.setAspectRatioMode(Plasma.Square)
cg = self.config()
self.cfg['header'] = U(cg.readEntry('header', '{value:1.1f} {unit}'))
self.cfg['font'] = QFont()
self.cfg['font'].fromString(
U(cg.readEntry('font', 'Sans Serif,8,-1,5,50,0,0,0,0,0')))
self.cfg['fontcolor'] = QColor(U(cg.readEntry('fontcolor', '#000000')))
self.cfg['interval'] = I(cg.readEntry('interval', '60000'))
self.cfg['min'] = F(cg.readEntry('min', '0.0'))
self.cfg['max'] = F(cg.readEntry('max', '100.0'))
self.cfg['autorange'] = cg.readEntry('autorange', 'true').toBool()
try:
self.cfg['source'] = eval(U(cg.readEntry('source', '')))
check(isinstance(self.cfg['source'], dict))
except:
self.cfg['source'] = None
self.smengine = self.applet.dataEngine('systemmonitor')
self.allSystemmonitorSources = self.smengine.sources()
self.activeSystemmonitorSources = self.parseSystemmonitorSources()
self.createMeter()
self.connect(self.smengine, SIGNAL('sourceAdded(const QString&)'), self.sourceAdded)
self.connect(self.smengine, SIGNAL('sourceRemoved(const QString&)'), self.sourceRemoved)
def sourceAdded(self, name):
self.allSystemmonitorSources.append(name)
if name in self.activeSystemmonitorSources:
self.connectSystemMonitorSource(name)
def connectSystemMonitorSource(self, name):
if name in self.allSystemmonitorSources:
# Hack for correctly update 'systemmonitor' dataengine
self.halfSecondSource = True
self.smengine.connectSource(name, self, 500)
def sourceRemoved(self, name):
self.allSystemmonitorSources.removeAll(name)
def parseSystemmonitorSources(self):
result = []
if self.cfg['source'] and self.cfg['source']['dataengine'] == 'systemmonitor':
result.append(self.cfg['source']['source'])
return result
def createMeter(self):
layout = self.applet.layout()
if layout is None:
layout = QGraphicsLinearLayout(Qt.Vertical, self.applet)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
while layout.count() > 0:
item = layout.itemAt(0)
layout.removeAt(0)
del item
if self.cfg['source'] == None:
self.setConfigurationRequired(True, i18n('Source not configured'))
return
self.setConfigurationRequired(False, '')
theme = Plasma.Theme.defaultTheme()
self.meter = Plasma.Meter(self.applet)
self.meter.setMeterType(Plasma.Meter.AnalogMeter)
self.meter.setLabel(1, '')
self.meter.setLabelColor(1, self.cfg['fontcolor'])
self.meter.setLabelAlignment(1, Qt.AlignCenter)
self.meter.setLabelFont(1, self.cfg['font'])
if self.cfg['autorange']:
self.meter.setMinimum(MAX)
self.meter.setMaximum(MIN)
else:
self.meter.setMinimum(self.cfg['min'])
self.meter.setMaximum(self.cfg['max'])
layout.addItem(self.meter)
c = self.cfg['source']
self.valueName = QString(c['value'])
self.minName = QString(c['min'])
self.maxName = QString(c['max'])
self.unitName = QString(c['unit'])
if c['dataengine'] == 'systemmonitor':
self.connectSystemMonitorSource(c['source'])
else:
self.dataEngine(c['dataengine']).connectSource(c['source'], self, self.cfg['interval'])
@pyqtSignature("dataUpdated(const QString &, const Plasma::DataEngine::Data &)")
def dataUpdated(self, sourceName, data):
#print data
if self.valueName in data:
# Hack for correctly update 'systemmonitor' dataengine ---------------------
if self.halfSecondSource:
self.halfSecondSource = False
c = self.cfg['source']
#self.dataEngine(c['dataengine']).disconnectSource(c['source'], self)
self.dataEngine(c['dataengine']).connectSource(c['source'], \
self, self.cfg['interval'])
# --------------------------------------------------------------------------
if self.cfg['autorange'] and F(data[self.minName]) != F(data[self.maxName]):
if self.meter.minimum() != F(data[self.minName]):
self.meter.setMinimum(F(data[self.minName]))
if self.meter.maximum() != F(data[self.maxName]):
self.meter.setMaximum(F(data[self.maxName]))
elif self.cfg['autorange']:
if self.meter.minimum() > F(data[self.valueName]):
self.meter.setMinimum(F(data[self.valueName]))
if self.meter.maximum() < F(data[self.valueName]):
self.meter.setMaximum(F(data[self.valueName]))
print self.meter.minimum(), self.meter.maximum()
self.meter.setValue(F(data[self.valueName]))
try:
s = self.cfg['header'].format(value = F(data[self.valueName]),
max = F(data[self.maxName]),
min = F(data[self.minName]),
unit = U(data[self.unitName]),
name = self.cfg['source']['name'])
except:
s = i18n('error')
self.meter.setLabel(1, s)
@pyqtSignature("configAccepted()")
def configAccepted(self):
cg = self.config()
self.cfg = self.configPage.data()
cg.writeEntry('header', self.cfg['header'])
cg.writeEntry('autorange', self.cfg['autorange'])
cg.writeEntry('min', self.cfg['min'])
cg.writeEntry('max', self.cfg['max'])
cg.writeEntry('font', U(self.cfg['font']))
cg.writeEntry('fontcolor', U(self.cfg['fontcolor']))
cg.writeEntry('source', repr(self.cfg['source']))
cg.writeEntry('interval', repr(self.cfg['interval']))
self.activeSystemmonitorSources = self.parseSystemmonitorSources()
self.createMeter()
def createConfigurationInterface(self, dlg):
self.configPage = ConfigPage(None, self.applet)
self.configPage.setData(self.cfg)
dlg.addPage(self.configPage, i18n('General'), 'applications-utilities')
self.connect(dlg, SIGNAL('applyClicked()'), self, SLOT('configAccepted()'))
self.connect(dlg, SIGNAL('okClicked()'), self, SLOT('configAccepted()'))
def constraintsEvent(self, constraints):
if constraints & Plasma.FormFactorConstraint:
self.setBackgroundHints(Plasma.Applet.NoBackground)
