Python gtk 模块，timeout_add() 实例源码

def doIteration(self, delay):
        # flush some pending events, return if there was something to do
        # don't use the usual "while gtk.events_pending(): mainiteration()"
        # idiom because lots of IO (in particular test_tcp's
        # ProperlyCloseFilesTestCase) can keep us from ever exiting.
        log.msg(channel='system', event='iteration', reactor=self)
        if gtk.events_pending():
            gtk.mainiteration(0)
            return
        # nothing to do, must delay
        if delay == 0:
            return # shouldn't delay, so just return
        self.doIterationTimer = gtk.timeout_add(int(delay * 1000),
                                                self.doIterationTimeout)
        # This will either wake up from IO or from a timeout.
        gtk.mainiteration(1) # block
        # note: with the .simulate timer below, delays > 0.1 will always be
        # woken up by the .simulate timer
        if self.doIterationTimer:
            # if woken by IO, need to cancel the timer
            gtk.timeout_remove(self.doIterationTimer)
            self.doIterationTimer = None

def doIteration(self, delay):
        # flush some pending events, return if there was something to do
        # don't use the usual "while gtk.events_pending(): mainiteration()"
        # idiom because lots of IO (in particular test_tcp's
        # ProperlyCloseFilesTestCase) can keep us from ever exiting.
        log.msg(channel='system', event='iteration', reactor=self)
        if gtk.events_pending():
            gtk.mainiteration(0)
            return
        # nothing to do, must delay
        if delay == 0:
            return # shouldn't delay, so just return
        self.doIterationTimer = gtk.timeout_add(int(delay * 1000),
                                                self.doIterationTimeout)
        # This will either wake up from IO or from a timeout.
        gtk.mainiteration(1) # block
        # note: with the .simulate timer below, delays > 0.1 will always be
        # woken up by the .simulate timer
        if self.doIterationTimer:
            # if woken by IO, need to cancel the timer
            gtk.timeout_remove(self.doIterationTimer)
            self.doIterationTimer = None

def __init__(self, ttrss):
        self.ttrss = ttrss
        self.menu = gtk.Menu()
        quitter = gtk.ImageMenuItem(gtk.STOCK_QUIT)
        quitter.set_always_show_image(True)
        self.menu.append(quitter)
        quitter.show()
        quitter.connect("activate", gtk.main_quit)
        self.viewer = ArticleViewer()
        self.viewer.on_hide = self.update_articles
        self.status_icon = gtk.StatusIcon()
        self.status_icon.set_from_icon_name("mail-read")
        self.update_headlines()
        self.to = gtk.timeout_add(1000 * 60, self.update_headlines)
        self.status_icon.connect("activate", self.toggle_viewer)
        self.status_icon.connect("popup-menu", self.show_menu)

def run(self, installSignalHandlers=1):
        self.startRunning(installSignalHandlers=installSignalHandlers)
        gtk.timeout_add(0, self.simulate)
        gtk.mainloop()

def simulate(self):
        """Run simulation loops and reschedule callbacks.
        """
        global _simtag
        if _simtag is not None:
            gtk.timeout_remove(_simtag)
        self.runUntilCurrent()
        timeout = min(self.timeout(), 0.1)
        if timeout is None:
            timeout = 0.1
        _simtag = gtk.timeout_add(int(timeout * 1010), self.simulate) # grumble

def simulate(self):
        """Run simulation loops and reschedule callbacks.
        """
        global _simtag
        if _simtag is not None:
            gtk.timeout_remove(_simtag)
        self.iterate()
        timeout = min(self.timeout(), 0.1)
        if timeout is None:
            timeout = 0.1
        _simtag = gtk.timeout_add((timeout * 1010), self.simulate) # grumble

def loginReport(self, txt):
        print 'setting login report',repr(txt)
        self.logstat.set_text(txt)
        if not (self._resetTimeout is None):
            gtk.timeout_remove(self._resetTimeout)

        self._resetTimeout = gtk.timeout_add(59000, self.loginReset)

def run(self, installSignalHandlers=1):
        self.startRunning(installSignalHandlers=installSignalHandlers)
        gtk.timeout_add(0, self.simulate)
        gtk.mainloop()

def simulate(self):
        """Run simulation loops and reschedule callbacks.
        """
        global _simtag
        if _simtag is not None:
            gtk.timeout_remove(_simtag)
        self.runUntilCurrent()
        timeout = min(self.timeout(), 0.1)
        if timeout is None:
            timeout = 0.1
        _simtag = gtk.timeout_add(int(timeout * 1010), self.simulate) # grumble

def simulate(self):
        """Run simulation loops and reschedule callbacks.
        """
        global _simtag
        if _simtag is not None:
            gtk.timeout_remove(_simtag)
        self.iterate()
        timeout = min(self.timeout(), 0.1)
        if timeout is None:
            timeout = 0.1
        _simtag = gtk.timeout_add((timeout * 1010), self.simulate) # grumble

def loginReport(self, txt):
        print 'setting login report',repr(txt)
        self.logstat.set_text(txt)
        if not (self._resetTimeout is None):
            gtk.timeout_remove(self._resetTimeout)

        self._resetTimeout = gtk.timeout_add(59000, self.loginReset)

def update_articles(self):
        ids = self.viewer.read
        self.ttrss.updateArticle(ids, 0, 2)
        self.viewer.read = []
        gtk.timeout_remove(self.to)
        self.update_headlines()
        self.to = gtk.timeout_add(1000 * 60, self.update_headlines)

def change_avtar(self,event):
        print 'ok'
        if self.isBanner_mode:
            self.img=cv2.cv.LoadImage(templates+"Banner_2.png")

            self.timer_id=gtk.timeout_add(20*1000,self.reset)
            self.isBanner_mode=False
            self.drawing_area.queue_draw()