/usr/lib/python2.7/dist-packages/woo/qt/__init__.py is in python-woo 1.0+dfsg1-1+b4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import math
useQtConsole=False # does not work yet
wooQApp=None
import wooMain
import sys
PY3K=(sys.version_info[0]==3)
if wooMain.options.fakeDisplay:
# do nothing, let all the imports happen without error
# running anything Qt-related will fail/crash later, this should be used only when generating docs
pass
else:
# signal import error witout display
if 1:
import woo.runtime, wooMain
if wooMain.options.forceNoGui:
woo.runtime.hasDisplay=False
raise ImportError("Woo was started with the -n switch; woo.qt4 insterface will not be enabled.")
# ignore some warnings from Xlib
import warnings
warnings.filterwarnings('ignore',category=DeprecationWarning,module='Xlib')
import sys
if sys.platform=='win32':
# assume display is always available at Windows
woo.runtime.hasDisplay=True
else:
try:
import Xlib.display
except ImportError:
# raise something elase than ImportError, since that signals that a display is not available
raise RuntimeError("The python Xlib module could not be imported.")
# PyQt4's QApplication does exit(1) if it is unable to connect to the display
# we however want to handle this gracefully, therefore
# we test the connection with bare xlib first, which merely raises DisplayError
try:
# contrary to display.Display, _BaseDisplay does not check for extensions and that avoids spurious message "Xlib.protocol.request.QueryExtension" (bug?)
Xlib.display._BaseDisplay();
woo.runtime.hasDisplay=True
except:
# usually Xlib.error.DisplayError, but there can be Xlib.error.XauthError etc as well
# let's just pretend any exception means the display would not work
woo.runtime.hasDisplay=False
raise ImportError("Connecting to $DISPLAY failed, unable to activate the woo.qt4 interface.")
if 1:
# API compatibility for PySide vs. PyQt
# must be called before PyQt4 is ever imported
# don't do that if someone imported PyQt4/PySide already
# it would lead to crash
import sys
if woo.runtime.hasDisplay and ('PyQt4' not in sys.modules) and ('PySide' not in sys.modules):
if 11<woo.runtime.ipython_version()<120:
try:
import IPython.external.qt # in later IPython version, the import itself does everything already
IPython.external.qt.prepare_pyqt4()
except AttributeError: pass
if 1: # initialize QApplication
from PyQt4 import QtGui
if woo.runtime.ipython_version()==10:
wooQApp=QtGui.QApplication(sys.argv)
elif useQtConsole:
from IPython.frontend.qt.console.qtconsoleapp import IPythonQtConsoleApp
wooQApp=IPythonQtConsoleApp()
wooQApp.initialize()
else:
# create an instance of InteractiveShell before the inputhook is created
# see http://stackoverflow.com/questions/9872517/how-to-embed-ipython-0-12-so-that-it-inherits-namespace-of-the-caller for details
# fixes http://gpu.doxos.eu/trac/ticket/40
try: from IPython.terminal.embed import InteractiveShellEmbed # IPython>=1.0
except ImportError: from IPython.frontend.terminal.embed import InteractiveShellEmbed # IPython<1.0
from IPython.config.configurable import MultipleInstanceError
try: ipshell=InteractiveShellEmbed.instance()
except MultipleInstanceError:
print 'Already running inside ipython, not embedding new instance.'
# keep the qapp object referenced, otherwise 0.11 will die with "QWidget: Must construct QApplication before a QPaintDevice
# see also http://ipython.org/ipython-doc/dev/interactive/qtconsole.html#qt-and-the-qtconsole
import IPython.lib.inputhook #guisupport
wooQApp=IPython.lib.inputhook.enable_gui(gui='qt4')
#from IPython.lib.guisupport import start_event_loop_qt4
#start_event_loop_qt4(wooQApp)
#try:
# wooQApp.setStyleSheet(open(woo.config.resourceDir+'/qmc2-black-0.10.qss').read())
#except IOError: pass # stylesheet not readable or whatever
if sys.platform=='win32':
# don't use ugly windows theme, try something else
for style in QtGui.QStyleFactory.keys():
# the first one will be used
if style in ('Cleanlooks','Plastique'):
QtGui.QApplication.setStyle(QtGui.QStyleFactory.create(style))
QtGui.QApplication.setPalette(QtGui.QApplication.style().standardPalette())
break
from PyQt4.QtGui import *
from PyQt4 import QtCore
from woo.qt.ui_controller import Ui_Controller
from woo.qt.Inspector import *
import woo,woo.system, woo.config
try:
from woo._qt import *
import woo._qt._GLViewer
from woo._qt._GLViewer import *
OpenGL=True
# document those with woo.qt
import woo._qt._GLViewer
_docInlineModules=(woo._qt,woo._qt._GLViewer)
# load preferences, if the file exists
except ImportError:
OpenGL=False
if 'opengl' in woo.config.features: raise RuntimeError("Woo was compiled with the 'opengl' feature, but OpenGL modules (woo._qt, woo._qt._GLViewer) could not be imported?")
class UiPrefs(woo.core.Object,woo.pyderived.PyWooObject):
'Storage for local user interface preferences. This class is always instantiated as ``woo.qt.uiPrefs``; if the file :obj:`prefsFile` exists at startup, it is loaded automatically.'
_classTraits=None
_PAT=woo.pyderived.PyAttrTrait
_attrTraits=[
_PAT(bool,'glRotCursorFreeze',False,triggerPostLoad=True,doc='Freeze cursor when rotating things (moving with buttons pressed); useful for trackballs; not yet functional.'),
_PAT(bool,'prepShowVars',False,'Show variable names rather than descriptions by default in the preprocessor interface'),
_PAT(bool,'paraviewLike3d',True,triggerPostLoad=True,doc='Paraview-like mouse bindings for the 3d view (requires restart): middle-drag to move, left-drag to zoom. IF false, use old (Yade) behavior, which is the opposite.'),
_PAT(str,'defaultCmap','coolwarm',choice=woo.master.cmaps,triggerPostLoad=True,doc='Default colormap for scales.'),
# where to save preferences, plus a button to do so
_PAT(str,'prefsFile',woo.master.confDir+'/uiPrefs.conf',guiReadonly=True,noDump=True,buttons=(['Save preferences','self.savePrefs()',''],0),doc='Preferences will be loaded/saved from/to this file.'),
]
def postLoad(self,I):
try:
# sync with the flag inside glviewer
import _GLViewer
_GLViewer.GLViewer.rotCursorFreeze=self.glRotCursorFreeze
_GLViewer.GLViewer.paraviewLike3d=self.paraviewLike3d
except ImportError: pass # no OpenGL
woo.master.cmap=self.defaultCmap
def __init__(self,**kw):
woo.core.Object.__init__(self)
self.wooPyInit(self.__class__,woo.core.Object,**kw)
def savePrefs(self):
import os, os.path, logging
d=os.path.dirname(self.prefsFile)
if not os.path.exists(d): os.makedirs(d)
self.dump(self.prefsFile,format='expr')
uiPrefs=UiPrefs()
# if config file exists, uiPrefs are loaded in Controller.__init__
from ExceptionDialog import *
#maxWebWindows=1
#"Number of webkit windows that will be cycled to show help on clickable objects"
#"holds instances of QtWebKit windows; clicking an url will open it in the window that was the least recently updated"
#webWindows=[]
#webController=None
def onSelection(obj):
print 'woo.qt.onSelection:',obj,'was selected'
print ' Set woo.gl.Renderer.selFunc to your own callback function.'
def openUrl(url):
import webbrowser
webbrowser.open(url)
return
controller=None
class ControllerClass(QWidget,Ui_Controller):
#from woo.gl import *
#from woo import gl
def __init__(self,parent=None):
QWidget.__init__(self)
self.setupUi(self)
self.generator=None # updated automatically
if OpenGL:
self.renderer=Renderer() # only hold one instance, managed by OpenGLManager
self.addRenderers()
# if config file exists already, load the config from that file instead
import os.path
global uiPrefs
if os.path.exists(uiPrefs.prefsFile): uiPrefs=UiPrefs.load(uiPrefs.prefsFile)
self.preIndexOther=-1
self.genChecks,self.genVars=False,uiPrefs.prepShowVars
self.refreshPreprocessors()
self.fillAboutData()
self.generatorComboSlot(None)
self.movieButton.setEnabled(False)
self.lastScene=None
self.traceCheckboxToggled(isOn=None) # detect on/off
self.movieActive=False
self.movieFileEdit.setText(woo.utils.fixWindowsPath(str(self.movieFileEdit.text()))) # fix /tmp on windows
self.tracerActive=False
self.inspector=None
# preprocessor submenu
preSubMenu=QMenu()
preSubCurr=preSubMenu.addAction(u'▶ Current simulation')
preSubCurr.triggered.connect(lambda: self.generatorComboSlot(genStr=None,menuAction='loadCurrent'))
preSubLoad=preSubMenu.addAction(u'↥ Load')
preSubLoad.triggered.connect(lambda: self.generatorComboSlot(genStr=None,menuAction='loadFile'))
preSubLib=makeLibraryBrowser(preSubMenu,lambda name,obj: self.generatorComboSlot(genStr=None,menuAction='loadLibrary',menuData=(name,obj)),woo.core.Preprocessor,u'⇈ Library')
preSubMenu.addSeparator()
r=preSubMenu.addAction(u'↻ Refresh preprocessors')
r.triggered.connect(lambda: self.refreshPreprocessors())
self.preMenuButton.setMenu(preSubMenu)
if OpenGL:
# display submenu
dispMenu=QMenu()
from . import DisplayProfiles
for label,func in DisplayProfiles.predefinedProfiles.items():
a=dispMenu.addAction(label)
a.triggered.connect(func)
if len(DisplayProfiles.predefinedProfiles)==0: self.dispMenuButton.setEnabled(False)
else: self.dispMenuButton.setMenu(dispMenu)
else: self.dispMenuButton.setEnabled(False)
global controller
controller=self
self.setWindowTitle('Woo ('+woo.config.prettyVersion(lead=True)+(', debug' if woo.config.debug else '')+')')
self.refreshTimer=QtCore.QTimer()
self.refreshTimer.timeout.connect(self.refreshEvent)
self.refreshTimer.start(200)
self.stepLabel=self.iterLabel # name change
self.stepPerSecTimeout=1 # how often to recompute the number of steps per second
self.stepTimes,self.stepValues,self.stepPerSec=[],[],0 # arrays to keep track of the simulation speed
#
if not OpenGL:
self.show3dButton.setText("[no OpenGL]")
self.show3dButton.setEnabled(False)
# show off with this one as well now
def refreshPreprocessors(self):
self.generatorCombo.clear()
self.preprocessorObjects=[]
# import all preprocessors
import pkgutil, woo.pre, sys
for importer,modname,ispkg in pkgutil.iter_modules(woo.pre.__path__):
try: __import__('woo.pre.'+modname,fromlist='woo.pre')
except:
# this error is spurious with frozen installs, but probably meaningful otherwise
# so we silently skip over when frozen
if not hasattr(sys,'frozen'): print "(Error importing woo.pre."+modname+", ignoring.)"
#
preps=[]
for c in woo.system.childClasses(woo.core.Preprocessor):
preps.append((c.__module__,c.__name__,c))
preps.sort()
for pre in preps:
self.generatorCombo.addItem(pre[1]+('' if pre[0]=='woo.pre' else ' ('+pre[0]+')'))
self.preprocessorObjects.append(pre[2])
self.generatorCombo.insertSeparator(self.generatorCombo.count())
self.generatorCombo.addItem(u'−')
self.preIndexOther=self.generatorCombo.count()-1
# make this item non-selectable by the user
self.generatorCombo.model().setData(self.generatorCombo.model().index(self.preIndexOther,0),0,QtCore.Qt.UserRole-1)
# refresh the view
self.generatorComboSlot(0)
def addRenderers(self):
from woo import gl
self.displayCombo.addItem('Renderer'); afterSep=1
# put GlFieldFunctor at the beginning artificially
for bc in ['GlFieldFunctor']+[t for t in dir(gl) if t.endswith('Functor') and t!='GlFieldFunctor']:
if afterSep>0: self.displayCombo.insertSeparator(10000); afterSep=0
for c in woo.system.childClasses(bc) | set([bc]):
try:
inst=eval('gl.'+c+'()');
if len(set(inst.dict().keys())-set(['label']))>0:
self.displayCombo.addItem(c); afterSep+=1
except (NameError,AttributeError): pass # functo which is not defined
self.displayCombo.insertSeparator(10000)
self.displayCombo.addItem('UI Preferences')
def displayComboSlot(self,dispStr):
from woo import gl
if dispStr=='Renderer':
ser,path=self.renderer,'woo.gl.Renderer'
elif dispStr=='UI Preferences':
ser,path=uiPrefs,'woo.qt.uiPrefs'
else:
ser,path=eval('woo.gl.'+str(dispStr)+'()'),'woo.gl.'+dispStr
se=ObjectEditor(ser,parent=self.displayArea,ignoredAttrs=set(['label']),showType=True,path=path)
self.displayArea.setWidget(se)
def fillAboutData(self):
import woo, woo.config, platform, textwrap, types, pkg_resources, collections
extras=[]
try:
import wooExtra
ExInfo=collections.namedtuple('ExInfo','name, mod, version, distributor')
for exName in dir(wooExtra):
mod=getattr(wooExtra,exName)
if type(mod)!=types.ModuleType: continue
modName=mod.__name__
ver=pkg_resources.get_distribution(modName).version
distributor=unicode(getattr(mod,'distributor') if hasattr(mod,'distributor') else u'−')
extras.append(ExInfo(name=exName,mod=mod,version=ver,distributor=distributor))
except ImportError: pass # no wooExtra modules installed
user=woo.master.scene.tags['user']
if not PY3K: user=user.decode('utf-8')
self.aboutGeneralLabel.setText('''<h4>System data</h4><table cellpadding='2px' rules='all' width='100%'>
<tr><td>user</td><td>{user}</td></tr>
<tr><td>cores</td><td>{nCores}</td></tr>
<tr><td>version</td><td>{version} ({buildDate}{flavor})</td></tr>
<tr><td>platform</td><td>{platform}</td></tr>
<tr><td>features </td><td>{features}</td></tr>
<tr><td>extras</td><td>{extraModules}</td></tr>
</table>
'''.format(user=user,nCores=woo.master.numThreads,platform='<br>'.join(textwrap.wrap(platform.platform().replace('-',' '),40)),version=woo.config.version+('' if woo.config.version==woo.config.revision else ('/' if woo.config.version else '')+woo.config.revision)+(' (debug)' if woo.config.debug else ''),features=', '.join(woo.config.features),buildDate=woo.config.buildDate,flavor=((', flavor "'+woo.config.flavor+'"') if woo.config.flavor else ''),extraModules='<br>'.join(['{e.name} ({e.version})'.format(e=e) for e in extras])))
if extras:
self.aboutExtraLabel.setText(u"<h4>Extra modules</h4><table cellpadding='10px' width='100%'>"+u''.join([u'<tr><td>wooExtra.<b>{e.name} </b><br>{e.version}</td><td>{e.distributor}</td></tr>'.format(e=e) for e in extras])+'</table')
def inspectSlot(self):
if not self.inspector:
self.inspector=SimulationInspector(parent=None)
self.inspector.show()
else:
#self.inspector.hide()
self.inspector=None
def setTabActive(self,what):
if what=='simulation': ix=0
elif what=='display': ix=1
elif what=='generator': ix=2
elif what=='python': ix=3
else: raise ValueErorr("No such tab: "+what)
self.controllerTabs.setCurrentIndex(ix)
def generatorComboSlot(self,genStr,menuAction=None,menuData=None):
"update generator parameters when a new one is selected"
ix=self.generatorCombo.currentIndex()
if menuAction==None:
self.generator=(self.preprocessorObjects[ix]() if ix<len(self.preprocessorObjects) else None)
self.generatorCombo.setItemText(self.preIndexOther,u'−')
elif menuAction=='loadFile':
f=str(QFileDialog.getOpenFileName(self,'Load preprocessor from','.'))
self.generatorCombo.setCurrentIndex(self.preIndexOther)
if not f:
self.generator=None
self.generatorCombo.setItemText(self.preIndexOther,u'−')
self.generatorArea.setWidget(QLabel('<i>No preprocessor loaded</i>'))
else:
try:
self.generator=Preprocessor.load(f)
self.generatorCombo.setItemText(self.preIndexOther,'%s'%f)
except Exception as e:
import traceback
traceback.print_exc()
showExceptionDialog(self,e)
elif menuAction=='loadLibrary':
name,obj=menuData
self.generatorCombo.setCurrentIndex(self.preIndexOther)
self.generatorCombo.setItemText(self.preIndexOther,'/'.join(name))
self.generator=obj.deepcopy()
elif menuAction=='loadCurrent':
self.generatorCombo.setCurrentIndex(self.preIndexOther)
if not woo.master.scene.pre:
self.generatorArea.setWidget(QLabel('<i>No preprocessor in <b>Scene.pre</t></i>'))
self.generator=None
self.generatorCombo.setItemText(self.preIndexOther,u'−')
else:
# force deep-copy, to avoid bug #88
self.generator=woo.master.scene.pre.deepcopy()
self.generatorCombo.setItemText(self.preIndexOther,u'current simulation')
if self.generator:
# keep var/check settings
w=self.generatorArea.widget()
if w and isinstance(w,ObjectEditor): self.genVars,self.genChecks=w.labelIsVar,w.showChecks
se=ObjectEditor(self.generator,parent=self.generatorArea,showType=True,labelIsVar=self.genVars,showChecks=self.genChecks,showUnits=True,objManip=True) # TODO
self.generatorArea.setWidget(se)
def genSaveParamsSlot(self):
if 0:
formats=[('expr','Text, loadable (*.expr)'),('pickle','Pickle, loadable (*.pickle)'),('xml','XML (loadable)'),('HTML (write-only)','html')]
dialog=QFileDialog(None,'Save preprocessor parameters to','.',';; '.join([fmt[1] for fmt in formats]))
dialog.setAcceptMode(QFileDialog.AcceptSave)
f=dialog.exec_()
print 'chosen file',str(dialog.selectedFiles()[0])
if not f: return # cancelled
else:
f=str(QFileDialog.getSaveFileName(self,'Save preprocessor parameters','.'))
if not f: return
self.generator.dump(f,format='json' if f.endswith('.json') else 'expr')
def generateSlot(self):
try:
QApplication.setOverrideCursor(QtCore.Qt.BusyCursor)
out=str(self.generatorFilenameEdit.text())
mem=self.genMemoryCombo.currentIndex()==0
auto=self.genOpenCheckbox.isChecked()
pre=self.generator
newScene=pre()
if not isinstance(newScene,woo.core.Scene): raise RuntimeError('Preprocessor must return a Scene when called, not '+str(newScene))
if mem: newScene.saveTmp(out)
elif out: newScene.save(out)
else: pass # only generate, don't save
if auto:
if woo.master.scene.running:
import sys
sys.stdout.write('Stopping the current simulation...')
woo.master.scene.stop()
print ' ok'
woo.master.scene=newScene
controller.setTabActive('simulation')
except Exception as e:
import traceback
traceback.print_exc()
showExceptionDialog(self,e)
finally:
QApplication.restoreOverrideCursor()
def throttleLin2Exp(self,x):
r'Convert integer value of the throttle control to Scene.throttle (in seconds). We map the range (0..xmax) to (0...ymax) with :math:`y(x)=\frac{\log x+1}{\log x_{\max}+1}y_{\max}`.'
xmax=self.throttleControl.maximum()
ymax=0.5 # sync with the same constant in throttleLin2Exp
beta=3.
return ymax*(x*1./xmax)**beta
def throttleExp2Lin(self,y):
r'Convert Scene.throttle (in seconds) to the position of the throttle control. This is the inverse of :obj:`throttleInt2Float` giving :math:`x(y)=\exp\left(\frac{y}{y_{\max}}\log(x_{\max}+1)\right)-1`.'
xmax=self.throttleControl.maximum()
ymax=0.5 # synced with the same constant in throttleExp2Lin
beta=3.
return xmax*(y/ymax)**(1./beta)
def throttleChanged(self,value):
if value>0: self.playButton.setStyleSheet('background-color: red; ')
else: self.playButton.setStyleSheet('')
woo.master.scene.throttle=self.throttleLin2Exp(value)
def movieCheckboxToggled(self,isOn,findExisting=False):
S=woo.master.scene
snap=None
if findExisting: # done when the scene changes
ss=[e for e in S.engines if isinstance(e,woo.qt.SnapshotEngine)]
if ss:
if len(ss)>1: warnings.warn('Multiple SnapshotEngines?! (proceed with fingers crossed; if one of them disappears, it is the UI Video tab trying to enable/disable it by itself)')
snap=ss[0]
if snap.label and snap.label!='snapshooter_':
warnings.warn('Setting SnapshotEngine.label="snapshooter_" automatically, for integration with the UI')
del S.labels[snap.label]
snap.label='snapshooter_'
S.engines=S.engines
if isOn or snap:
if hasattr(S.lab,'snapshooter_'): snap=S.lab.snapshooter_
# add SnapshotEngine to the current scene
if not snap:
snap=woo.qt.SnapshotEngine(label='snapshooter_',fileBase=woo.master.tmpFilename(),stepPeriod=100,realPeriod=.5,ignoreErrors=False)
S.engines=S.engines+[snap]
se=ObjectEditor(snap,parent=self.movieArea,showType=True)
self.movieArea.setWidget(se)
# open new view if there is none
if len(views())==0: View()
self.movieButton.setEnabled(True)
self.movieActive=True
if not self.movieCheckbox.isChecked(): self.movieCheckbox.setChecked(True) # force the checkbox
else:
if hasattr(S.lab,'snapshooter_'): del S.lab.snapshooter_
woo.master.scene.engines=[e for e in S.engines if type(e)!=woo.qt.SnapshotEngine]
self.movieArea.setWidget(QFrame())
self.movieButton.setEnabled(False)
self.movieActive=False
def movieButtonClicked(self):
S=woo.master.scene
if not hasattr(S.lab,'snapshooter_'):
print 'No S.lab.snapshooter_, no movie will be created'
return
out=str(self.movieFileEdit.text())
woo.utils.makeVideo(S.lab.snapshooter_.snapshots,out=out,fps=self.movieFpsSpinbox.value(),kbps=self.movieBitrateSpinbox.value())
import os.path
url='file://'+os.path.abspath(out)
print 'Video saved to',url
import webbrowser
webbrowser.open(url)
def resetTraceClicked(self):
S=woo.master.scene
if not hasattr(S.lab,'tracer_'):
print 'No S.lab.tracer_, will not reset'
return
S.lab.tracer_.resetNodesRep(setupEmpty=True)
def tracerGetEngine(self,S):
'Find tracer engine, return it, or return None; raise exception with multiple tracers'
tt=[e for e in S.engines if isinstance(e,woo.dem.Tracer)]
if len(tt)>1: raise RuntimeError('Multiple tracer engines in scene?')
if len(tt)==1: return tt[0]
return None
def traceCheckboxToggled(self,isOn):
S=woo.master.scene
# auto-detect on/off
if isOn==None:
tr=self.tracerGetEngine(woo.master.scene)
isOn=bool(tr and not tr.dead)
# will call this function again, and also set the checkbox state properly
self.traceCheckbox.setChecked(isOn)
return
# go ahead now
if isOn:
# is there a tracer already?
tracer=self.tracerGetEngine(S)
if not tracer:
tracer=woo.dem.Tracer(label='tracer_',stepPeriod=100,realPeriod=.2)
S.engines=S.engines+[tracer]
else:
tracer.label='tracer_' # hijack existing engine and re-label it
S.engines=S.engines # force re-creation of labels
tracer.dead=False
S.ranges=S.ranges+[woo.dem.Tracer.lineColor]
self.tracerArea.setWidget(ObjectEditor(tracer,parent=self.tracerArea,showType=True))
self.resetTraceButton.setEnabled(True)
woo.gl.Gl1_DemField.glyph=woo.gl.Gl1_DemField.glyphKeep
self.tracerActive=True
else:
tracer=self.tracerGetEngine(S)
if tracer:
tracer.dead=True
#hasattr(woo,'_tracer'):
tracer.resetNodesRep(setupEmpty=False)
#del woo._tracer
#S.engines=[e for e in S.engines if type(e)!=woo.dem.Tracer]
S.ranges=[r for r in S.ranges if r!=woo.dem.Tracer.lineColor]
self.tracerArea.setWidget(QFrame())
self.resetTraceButton.setEnabled(False)
self.tracerActive=False
def loadSlot(self):
f=QFileDialog.getOpenFileName(self,'Load simulation','')
f=str(f)
if not f: return # cancelled
self.deactivateControls()
woo.master.scene=Scene.load(f)
def saveSlot(self):
f=QFileDialog.getSaveFileName(self,'Save simulation','')
f=str(f)
if not f: return # cancelled
woo.master.scene.save(f)
import os.path
assert os.path.exists(f),"File '%s' does not exist after saving?"%f
def reloadSlot(self):
self.deactivateControls()
p=woo.master.scene.plot
p.splitData()
woo.master.scene.stop()
woo.master.reload()
# assign including previous data
# this should perhaps not be the default?
woo.master.scene.plot=p
def playSlot(self): woo.master.scene.run()
def pauseSlot(self): woo.master.scene.stop()
def stepSlot(self):
S=woo.master.scene
if self.multiStepSpinBox.value()==1 or S.subStepping: S.one()
else:
S.run() # don't block with multistep
S.stopAtStep=S.step+self.multiStepSpinBox.value()
def subStepSlot(self,value):
self.multiStepSpinBox.setEnabled(not bool(value))
woo.master.scene.subStepping=bool(value)
def show3dSlot(self, show):
vv=views()
assert(len(vv) in (0,1))
if show:
if len(vv)==0: View()
else:
if len(vv)>0: vv[0].close()
def plotSlot(self):
woo.master.scene.plot.plot()
def refreshEvent(self):
self.refreshValues()
self.activateControls()
def deactivateControls(self):
self.realTimeLabel.setText('')
self.virtTimeLabel.setText('')
self.stepLabel.setText('')
self.fileLabel.setText('<i>[loading]</i>')
self.playButton.setEnabled(False)
self.pauseButton.setEnabled(False)
self.stepButton.setEnabled(False)
self.subStepCheckbox.setEnabled(False)
self.reloadButton.setEnabled(False)
def activateControls(self):
S=woo.master.scene
hasSim=len(S.engines)>0
running=S.running
if hasSim:
self.playButton.setEnabled(not running)
self.pauseButton.setEnabled(running)
self.reloadButton.setEnabled(bool(S.lastSave))
self.stepButton.setEnabled(not running)
self.subStepCheckbox.setEnabled(not running)
else:
self.playButton.setEnabled(False)
self.pauseButton.setEnabled(False)
self.reloadButton.setEnabled(False)
self.stepButton.setEnabled(False)
self.subStepCheckbox.setEnabled(False)
self.traceCheckbox.setEnabled(S.hasDem)
fn=S.lastSave
self.fileLabel.setText(fn if fn else '[no file]')
#
#
self.plotButton.setEnabled(len(S.plot.plots)>0)
def refreshValues(self):
S=woo.master.scene
rt=int(woo.master.realtime); t=S.time; step=S.step;
assert(len(self.stepTimes)==len(self.stepValues))
if len(self.stepTimes)==0: self.stepTimes.append(rt); self.stepValues.append(step); self.stepPerSec=0 # update always for the first time
elif rt-self.stepTimes[-1]>self.stepPerSecTimeout: # update after a timeout
if len(self.stepTimes)==1: self.stepTimes.append(self.stepTimes[0]); self.stepValues.append(self.stepValues[0]) # 2 values, first one is bogus
self.stepTimes[0]=self.stepTimes[1]; self.stepValues[0]=self.stepValues[1]
self.stepTimes[1]=rt; self.stepValues[1]=step;
self.stepPerSec=(self.stepValues[-1]-self.stepValues[-2])/(self.stepTimes[-1]-self.stepTimes[-2])
if not S.running: self.stepPerSec=0
stopAtStep=S.stopAtStep
subStepInfo=''
if S.subStepping:
subStep=S.subStep
if subStep==-1: subStepInfo=u'→ <i>prologue</i>'
elif subStep>=0 and subStep<len(S.engines):
e=S.engines[subStep]; subStepInfo=u'→ %s'%(e.label if e.label else e.__class__.__name__)
elif subStep==len(S.engines): subStepInfo=u'→ <i>epilogue</i>'
else: raise RuntimeError("Invalid S.subStep value %d, should be ∈{-1,…,len(o.engines)}"%subStep)
subStepInfo="<br><small>sub %d/%d [%s]</small>"%(subStep,len(S.engines),subStepInfo)
self.subStepCheckbox.setChecked(S.subStepping) # might have been changed async
throttle='' if S.throttle==0. else '<font color="red">(max %d/s)</font>'%(int(round(1./S.throttle)))
if stopAtStep<=step:
self.realTimeLabel.setText('%02d:%02d:%02d'%(rt//3600,(rt%3600)//60,rt%60))
self.stepLabel.setText('#%ld, %.1f/s %s%s'%(step,self.stepPerSec,throttle,subStepInfo))
else:
if self.stepPerSec!=0:
e=int((stopAtStep-step)/self.stepPerSec)
eta='(ETA %02d:%02d:%02d)'%(e//3600,e//60,e%60)
else: eta=u'(ETA −)'
self.realTimeLabel.setText('%02d:%02d:%02d %s'%(rt//3600,rt//60,rt%60,eta))
self.stepLabel.setText('#%ld / %ld, %.1f/s %s%s'%(S.step,stopAtStep,self.stepPerSec,throttle,subStepInfo))
if t!=float('inf') and t!=float('nan'):
s=int(t); ms=int(t*1000)%1000; us=int(t*1000000)%1000; ns=int(t*1000000000)%1000
self.virtTimeLabel.setText(u'%03ds%03dm%03dμ%03dn'%(s,ms,us,ns))
else: self.virtTimeLabel.setText(u'[ ∞ ] ?!')
self.dtLabel.setText(str(S.dt))
if OpenGL: self.show3dButton.setChecked(len(views())>0)
self.inspectButton.setChecked(self.inspector!=None)
#
if not self.throttleControl.isSliderDown():
v=self.throttleExp2Lin(S.throttle)
if self.throttleControl.value!=v: self.throttleControl.setValue(v)
##
if self.lastScene!=S:
self.lastScene=S
# set movie and trace using last state
if OpenGL:
self.movieCheckboxToggled(self.movieActive,findExisting=True)
self.traceCheckboxToggled(isOn=None)
#
#
ix=self.simPageLayout.indexOf(self.customArea)
row,col,rows,cols=self.simPageLayout.getItemPosition(ix) # find position, so that we know where to place the next one
self.simPageLayout.removeWidget(self.customArea)
self.customArea.setParent(None)
self.customArea=QScrollArea()
sp=QSizePolicy(QSizePolicy.Expanding,QSizePolicy.Expanding); sp.setVerticalStretch(40)
self.customArea.setSizePolicy(sp)
self.simPageLayout.addWidget(self.customArea,row,col)
#print 'New QScrollArea created'
if S.uiBuild:
import __main__
glob=globals(); glob.update(__main__.__dict__)
exec S.uiBuild in glob, {'S':S,'area':self.customArea}
def Generator():
global controller
if not controller: controller=ControllerClass();
controller.show(); controller.raise_()
controller.setTabActive('generator')
def Controller():
global controller
if not controller: controller=ControllerClass();
controller.show(); controller.raise_()
controller.setTabActive('simulation')
def Inspector():
global controller
if not controller: controller=ControllerClass();
controller.inspectSlot()
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