def startGUI(args): """Create the QT4 application and GUI. A (possibly empty) list of command line options should be provided. QT4 wil remove the recognized QT4 and X11 options. """ # This seems to be the only way to make sure the numeric conversion is # always correct # QtCore.QLocale.setDefault(QtCore.QLocale.c()) # #pf.options.debug = -1 pf.debug("Arguments passed to the QApplication: %s" % args) pf.app = QtGui.QApplication(args) # pf.debug("Arguments left after constructing the QApplication: %s" % args) pf.debug("Arguments left after constructing the QApplication: %s" % pf.app.arguments().join('\n')) #pf.options.debug = 0 # As far as I have been testing this, the args passed to the Qt application are # NOT acknowledged and neither are they removed!! pf.app.setOrganizationName("pyformex.org") pf.app.setOrganizationDomain("pyformex.org") pf.app.setApplicationName("pyFormex") pf.app.setApplicationVersion(pf.__version__) ## pf.settings = QtCore.QSettings("pyformex.org", "pyFormex") ## pf.settings.setValue("testje","testvalue") #QtCore.QObject.connect(pf.app,QtCore.SIGNAL("lastWindowClosed()"),pf.app,QtCore.SLOT("quit()")) QtCore.QObject.connect(pf.app,QtCore.SIGNAL("lastWindowClosed()"),quitGUI) #QtCore.QObject.connect(pf.app,QtCore.SIGNAL("aboutToQuit()"),quitGUI) # Check if we have DRI viewport.setOpenGLFormat() dri = viewport.opengl_format.directRendering() # Check for existing pyFormex processes windowname,running = findOldProcesses() while len(running) > 0: if len(running) >= 16: print("Too many open pyFormex windows --- bailing out") return -1 pids = [ i[2] for i in running if i[2] is not None ] warning = """.. pyFormex is already running on this screen ------------------------------------------ A main pyFormex window already exists on your screen. If you really intended to start another instance of pyFormex, you can just continue now. The window might however be a leftover from a previously crashed pyFormex session, in which case you might not even see the window anymore, nor be able to shut down that running process. In that case, you would better bail out now and try to fix the problem by killing the related process(es). If you think you have already killed those processes, you may check it by rerunning the tests. """ actions = ['Really Continue','Rerun the tests','Bail out and fix the problem'] if pids: warning += """ I have identified the process(es) by their PID as:: %s If you trust me enough, you can also have me kill this processes for you. """ % pids actions[2:2] = ['Kill the running processes'] if dri: answer = draw.ask(warning,actions) else: warning += """ I have detected that the Direct Rendering Infrastructure is not activated on your system. Continuing with a second instance of pyFormex may crash your XWindow system. You should seriously consider to bail out now!!! """ answer = draw.warning(warning,actions) if answer == 'Really Continue': break # OK, Go ahead elif answer == 'Rerun the tests': windowname,running = findOldProcesses() # try again elif answer == 'Kill the running processes': killProcesses(pids) windowname,running = findOldProcesses() # try again else: return -1 # I'm out of here! # Load the splash image splash = None if os.path.exists(pf.cfg['gui/splash']): pf.debug('Loading splash %s' % pf.cfg['gui/splash']) splashimage = QtGui.QPixmap(pf.cfg['gui/splash']) splash = QtGui.QSplashScreen(splashimage) splash.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint) splash.setFont(QtGui.QFont("Helvetica",24)) splash.showMessage(pf.Version,QtCore.Qt.AlignHCenter,QtCore.Qt.red) splash.show() # create GUI, show it, run it pf.GUI = GUI(windowname, pf.cfg.get('gui/size',(800,600)), pf.cfg.get('gui/pos',(0,0)), pf.cfg.get('gui/bdsize',(800,600)), ) # set the appearance pf.GUI.setAppearence() # setup the message board pf.board = pf.GUI.board pf.board.write("""%s (C) Benedict Verhegghe pyFormex comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to redistribute it under the conditions of the GNU General Public License, version 3 or later. See Help->License or the file COPYING for details. """ % pf.Version) # Set interaction functions def show_warning(message,category,filename,lineno,file=None,line=None): """Replace the default warnings.showwarning We display the warnings using our interactive warning widget. This feature can be turned off by setting cfg['warnings/popup'] = False """ full_message = warnings.formatwarning(message,category,filename,lineno,line) ## from widgets import simpleInputItem as I ## res = draw.askItems([ ## I('message',message,itemtype='label',text='warning'), ## I('filter',False,text='Suppress this message in future sessions'), ## ],actions=[('OK',)],legacy=False) #print res pf.message(full_message) res,check = draw.showMessage(full_message,level='warning',check="Do not show this warning anymore in future sessions") if check[0]: oldfilters = pf.prefcfg['warnings/filters'] newfilters = oldfilters + [(str(message),)] pf.prefcfg.update({'filters':newfilters},name='warnings') ## def format_warning(message,category,filename,lineno,line=None): ## """Replace the default warnings.formatwarning ## We display the warnings using our interactive warning widget. ## This feature can be turned off by setting ## cfg['nice_warnings'] = False ## """ ## import messages ## message = messages.getMessage(message) ## message = """.. ## pyFormex Warning ## ================ ## %s ## `Called from:` %s `line:` %s ## """ % (message,filename,lineno) ## if line: ## message += "%s\n" % line ## return message ## if pf.cfg['warnings/nice']: ## warnings.formatwarning = format_warning if pf.cfg['warnings/popup']: warnings.showwarning = show_warning pf.message = draw.message pf.warning = draw.warning # setup the canvas pf.GUI.viewports.changeLayout(1) pf.GUI.viewports.setCurrent(0) pf.canvas = pf.GUI.viewports.current draw.reset() # setup the status bar pf.GUI.addInputBox() pf.GUI.toggleInputBox(False) pf.GUI.addCoordsTracker() pf.GUI.toggleCoordsTracker(pf.cfg.get('gui/coordsbox',False)) pf.debug("Using window name %s" % pf.GUI.windowTitle()) # Create additional menus (put them in a list to save) # History Menu pf.GUI.history = scriptMenu.ScriptMenu('History',files=pf.cfg['gui/history'],max=pf.cfg['gui/history_max']) if pf.cfg.get('gui/history_in_main_menu',False): before = pf.GUI.menu.item('help') pf.GUI.menu.insertMenu(before,pf.GUI.history) else: filemenu = pf.GUI.menu.item('file') before = filemenu.item('---1') filemenu.insertMenu(before,pf.GUI.history) # Scripts menu pf.GUI.scriptmenu = scriptMenu.createScriptMenu(pf.GUI.menu,before='help') # Create databases createDatabases() # PLugin menus import plugins ## filemenu = pf.GUI.menu.item('file') ## pf.gui.saveobj = plugins.create_plugin_menus(filemenu,before='options') ## # Load configured plugins, ignore if not found plugins.loadConfiguredPlugins() #for p in pf.cfg['gui/plugins']: # plugins.load(p) pf.GUI.setBusy(False) pf.GUI.addStatusBarButtons() # remove the splash window if splash is not None: splash.finish(pf.GUI) pf.GUI.setBusy(False) if os.path.isdir(pf.cfg['workdir']): # Make the workdir the current dir os.chdir(pf.cfg['workdir']) pf.debug("Setting workdir to %s" % pf.cfg['workdir']) else: # Save the current dir as workdir prefMenu.updateSettings({'workdir':os.getcwd(),'Save changes':True}) pf.GUI.show() pf.GUI.update() pf.app_started = True pf.GUI.processEvents() return 0