Python event.waitKeys函数代码示例

def RunProbes():
    # reset clock
    trialClock.reset()
    # set up stimuli
    message1.setText(probe1_string)
    message2.setText("1) %s\n2) %s\n3) %s\n4) %s\n5) %s" % probe1_options)
    message1.draw()
    message2.draw()
    win.logOnFlip(level=logging.EXP, msg='Probe 1')
    win.flip()
    
    # get response
    key1 = event.waitKeys(keyList=['1','2','3','4','5','q','Escape'],timeStamped=trialClock)
    
    # reset clock
    trialClock.reset()
    # set up stimuli
    message1.setText(probe2_string)
    message2.setText("1) %s\n2) %s\n3) %s\n4) %s\n5) %s" % probe2_options)
    message1.draw()
    message2.draw()
    win.logOnFlip(level=logging.EXP, msg='Probe 2')
    win.flip()
    
    # get response
    key2 = event.waitKeys(keyList=['1','2','3','4','5','q','Escape'],timeStamped=trialClock)
    
    # return results
    return (key1[0],key2[0])

def display_message(win, fix, txt, msg):
    """A function to display text to the experiment window.

    win: psychopy.visual.Window
        The window to write the message to.

    fix: psychopy.visual.Circle
        The fixation point to be removed from the screen.

    txt: psychopy.visual.TextStim
        The text object to present to the screen.
    
    msg: String
        The contents for the text object.

    """
    
    txt.setText(msg)
    fix.setAutoDraw(False)
    txt.setAutoDraw(True)
    win.flip()
    
    event.waitKeys()
    
    txt.setAutoDraw(False)
    fix.setAutoDraw(True)
    win.flip()

def showpix(stimpath, stim, duration):
    fixation()
    pix = visual.ImageStim(win =win, 
            image = stimpath + stim, 
            pos = [0,0], 
            size = [800, 450], 
            opacity = 1,
            units = 'pix'
            )

    pix.draw()    
  #  win.logOnFlip('parallel port trigger picture: %d' %trigger_stim , level=logging.EXP)
    win.flip()
    stimOnset= trialClock.getTime()
    pparallel.setData(0) # sets all pin lo
    pparallel.setData(trigger_stim) # sets all pin lo
    core.wait(0.005)
    pparallel.setData(0)
    core.wait(duration)
    #mouse.getPressed()
    fixation()
    # get key press at the end of clip
    event.waitKeys(keyList=keyStop)
    respTime= trialClock.getTime()
   

    trials.addData('stimOnset', stimOnset)
    trials.addData('respTime',respTime)  

def instrDraw(path):
    jpgList = os.listdir(path)
    for JPG in jpgList:
        ins = visual.ImageStim(win, image=path + JPG)
        ins.draw()
        win.flip()
        event.waitKeys()

def display_instructions():
    set_msg('INTRODUCTION','TITLE')
    set_msg('AXB control','MAIN')
    set_msg('Press any key to continue','KEY')
    win.flip()
    core.wait(0.5)
    event.waitKeys()

 def pause(self):
     """
     Pause block
     """
     event.clearEvents()
     self.win.flip()
     event.waitKeys()

 def _present_choices(self, oleft, oright, trial):
     """Present the left and the right outcomes, first at the left
     and second at the right of fixation. After choice_screen_dur
     fixation cross is colored red for choice_screen_dur2, user has 
     to respond while the cross is red. If user respond before or after
     then show the slow-down or too-slow message, otherwise color the
     outcome pressed yellow for remaining duration. Store all the
     events in dictionary trial, which is an argument to the method.
     Return value is the key pressed."""
     trial['success'] = False # set to True if user responded on time.
     start_time = time.time()
     dist = NUMBER_FIXATION_DIST
     left_outcome = visual.TextStim(self.win, 
                                    text=u"\u20AC" + str(oleft) ,
                                    pos=(-dist, 0))
     right_outcome = visual.TextStim(self.win, 
                                     text=u"\u20AC" + str(oright),
                                     pos=(dist, 0))
     self._render(left_outcome, right_outcome, self.fixation)
     # wait for choice_screen_dur and check if user presses left or right key
     try:
         key = event.waitKeys(maxWait=CHOICE_SCREEN_DUR,
                              keyList=[LEFT_KEY, RIGHT_KEY, ESC_KEY])[0]
     except:
         key = "none"
     #usr responded too early show her slow down message and return
     if key in [LEFT_KEY, RIGHT_KEY]:
         trial['slow_down_msg_event'] = time.time()
         trial['too_fast'] = True
         self._render(slow_down_msg, duration=SLOW_DOWN_MSG_DUR)
         return key
     if key == ESC_KEY:
         self.win.close()
         core.quit()
     # turn the fixation cross red and wait for 1 sec for a user to respond
     trial['fixation_color_red_event'] = time.time()
     self.fixation.color = "red"
     self._render(left_outcome, right_outcome, self.fixation)
     try:
         key = event.waitKeys(maxWait=CHOICE_SCREEN_DUR2,
                              keyList=[LEFT_KEY, RIGHT_KEY])[0]
         trial['key_pressed_event'] = time.time()
     except:
         key = "none"
     self.fixation.color = "black"
     # user did not responded, show too slow msg and return.
     if key == "none":
         trial['too_slow'] = True
         trial['too_slow_msg_event'] = time.time()
         self._render(too_slow_msg, duration=TOO_SLOW_MSG_DUR)
         return key
     #show the pressed key in yellow for the remaining time.
     if key == LEFT_KEY:
         left_outcome.color = "yellow"
     elif key == RIGHT_KEY:
         right_outcome.color = "yellow"
     self._render(left_outcome, right_outcome, self.fixation)
     time_elasped = time.time() - start_time
     core.wait(CHOICE_SCREEN_DUR + CHOICE_SCREEN_DUR2 - time_elasped)
     return key

    def _show_instructions(self):
        instructions = self.version['instructions']

        for page in instructions['pages']:
            self.stim['text'].setText(instructions['text'][page])
            self.stim['text'].draw()

            if page == 2:
                self.pics_left['donkey.bmp'].setOri(180.0)
                self.pics_left['donkey.bmp'].draw()
                self.pics_right['donkey.bmp'].draw()
                advance_keys = ['j',]

            elif page == 3:
                self.pics_right['piano.bmp'].setOri(180.0)
                self.pics_right['piano.bmp'].draw()
                self.pics_left['piano.bmp'].draw()
                advance_keys = ['f',]

            elif page == 4:
                self.mask_left.draw()
                self.mask_right.draw()
                advance_keys = ['space',]

            else:
                advance_keys = ['space',]

            self.win.flip()
            event.waitKeys(keyList = advance_keys)

    def _show_instructions(self):
        instructions = self.version["instructions"]

        for page in instructions["pages"]:
            self.stim["text"].setText(instructions["text"][page])
            self.stim["text"].draw()

            if page == 2:
                self.pics_left["donkey.bmp"].setOri(180.0)
                self.pics_left["donkey.bmp"].draw()
                self.pics_right["donkey.bmp"].draw()
                advance_keys = ["j"]

            elif page == 3:
                self.pics_right["piano.bmp"].setOri(180.0)
                self.pics_right["piano.bmp"].draw()
                self.pics_left["piano.bmp"].draw()
                advance_keys = ["f"]

            elif page == 4:
                self.mask_left.draw()
                self.mask_right.draw()
                advance_keys = ["space"]

            else:
                advance_keys = ["space"]

            self.win.flip()
            event.waitKeys(keyList=advance_keys)

def run_main_experiment():
    time_start = core.getTime()
    time_play = time_start
    order = Exp.make_random_stim_order()
    Nonethird = np.floor(len(order)/3)
    Ntwothird = np.floor(2*len(order)/3)

    t = 0
    for i in order:
        t = t+1
        print(core.getTime() -time_start)
        if t in [Nonethird,Ntwothird]:
            set_msg('Short Break!','MAIN')
            set_msg('Press return to continue','KEY')
            win.flip()
            event.waitKeys(keyList=['return','space'])
            core.wait(1) 



        s = sound_build.make_noisy_stim(i,Exp)
        scaled = np.int16(s/np.max(np.abs(s)) * 32767)
        write('test.wav', 44100, scaled)
        core.wait(time_play - core.getTime())        
        set_msg('Up or down?','MAIN')
        win.flip()        
        playsound(s,vol)
        core.wait(0.1) 
        #core.wait(0.5) #wait 500ms; but use a loop of x frames for more accurate timing in fullscreen
        thisResp = get_response()
        iscorrect = Exp.isRespCorrect(i,thisResp) # 1=correct, O=incorrect, -1=missed
        time_play =  core.getTime() + iti
        dataFile.write('%i,%i,%i\n' %(i, thisResp,iscorrect))
    dataFile.close()

def ShowPicInstruction( txt, duration, picFile, location, col=(0.0, 0.0, 0.0) ):

    instr = visual.TextStim( win, text=txt, pos=(0,-50), color=col, colorSpace='rgb', height=50 )

    pic = visual.ImageStim( win );
    pic.setImage( picFile );

    h = pic.size

    picpos = ( 0, h[1]/2 + 20 )
    textpos = ( 0, -1* instr.height/2 - 10)

    pic.setPos( picpos );
    pic.draw( win );

    instr.setPos( textpos )
    instr.draw(win)


    win.flip()
    if duration < 0:
        event.waitKeys()
    else:
        core.wait( duration )

    win.flip() #clear screen

def main():
    data = {'start_time': timestamp()}
    data['play'] = True
    try:
        data['id'] = dialog_box()[0]
    except:
        return None
    win = visual.Window([800, 600], allowGUI=True, units='deg',
                        color = "grey",fullscr=FULLSCREEN, monitor="testMonitor")
    dominant_stimulie = get_dominant_stimulie(data['id'])
    choices = random_choices4play(data['id'], NPLAY)
    blocks =  [Visual(win, dominant_stimulie[0], choices["Visual"]),
               Auditory(win, dominant_stimulie[1], choices["Auditory"]), 
               Semantic(win, dominant_stimulie[1], choices["Semantic"])]
    data['choices'] = choices
    data['total_win'] = 0
    for block in blocks:
        corrects = block.play()
        for i in range(0, len(corrects)):
            if corrects[i]:
                data['total_win'] += choices[str(block)][i]['amount']
            data['choices'][str(block)][i]['correctp'] = corrects[i]
    data['finish_time'] = timestamp()
    save_data(data)
    txt = u"You win 10 percent of \u20AC %s."%data['total_win']
    visual.TextStim(win, text=txt, pos=(0,0)).draw()
    win.flip()
    event.waitKeys()

def playclip(stimpath, stim):
    fixation()
    core.wait(0.3)
    #pparallel.setData(0) # sets all pin lo
    
    clip = visual.MovieStim(win=win,
            name= 'clip', 
            filename= stimpath + stim,
            size = [800, 450],
            ori =0, 
            pos=[0,0], 
            opacity =1, 
            depth = -1.0
            )
    pparallel.setData(trigger_stim) # sets all pin lo
    core.wait(0.005)
    pparallel.setData(0)
    stimOnset= trialClock.getTime()
    while clip.status != visual.FINISHED:
        clip.draw()
        win.flip()
        
    fixation()
    # get key press at the end of clip
    event.waitKeys(keyList=keyStop)
    respTime= trialClock.getTime()
    #mouse.clickReset()
    #button, time = mouse.getPressed(getTime=True)
    #print('mouse: ', button)
    
    #event.waitKeys(keyList= button)
    trials.addData('stimOnset', stimOnset)
    trials.addData('respTime',respTime)  

def RunProbes():
    # reset clock
    trialClock.reset()
    # set up stimuli
    message1.setText(probe1_string)
    message2.setText("1) %s\n2) %s\n3) %s\n4) %s\n5) %s" % probe1_options)
    message1.draw()
    message2.draw()
    win.logOnFlip(level=logging.EXP, msg="Probe 1")
    win.flip()

    # get response
    key1 = event.waitKeys(keyList=["1", "2", "3", "4", "5", "q", "Escape"], timeStamped=trialClock)

    # reset clock
    trialClock.reset()
    # set up stimuli
    message1.setText(probe2_string)
    message2.setText("1) %s\n2) %s\n3) %s\n4) %s\n5) %s" % probe2_options)
    message1.draw()
    message2.draw()
    win.logOnFlip(level=logging.EXP, msg="Probe 2")
    win.flip()

    # get response
    key2 = event.waitKeys(keyList=["1", "2", "3", "4", "5", "q", "Escape"], timeStamped=trialClock)

    # return results
    return (key1[0], key2[0])

def nPaired (fi, nback_no, window, seq, dura, trial_no=None, adaptive=False):

    #data structures
    audicode=['C','D','E','F']
    colorcode=['red','blue','green','yellow']
    trial_no=len(seq)
    ready=visual.TextStim(window,'ready?', color=(1.0,1.0,1.0))
    infoloop=['Press return/enter to continue',
             'This is the paired 2-back test',
             'You will see a series that contains both audio tones and coloured squares together',
             'In this test, the same colour/tone pair is always presented together',
             'Press L if the colour/tone pair matches the pair two steps back']
    vstimlist=[];astimlist=[]
    target=[0,0]
    n=0

    #create two stimuli lists and mark down target trials
    for i in seq:
        vstimlist.append(visual.Rect(window,width=100.0,height=100.0,lineColor=colorcode[i],fillColor=colorcode[i], pos=(0,0)))
        astimlist.append(sound.Sound(audicode[i],octave=4, sampleRate=44100, secs=dura,bits=8))
        if n > nback_no-1:
            #if the event match with n events ago (n specified by 'nback_no')
            #mark it as a target trial
            if i==seq[n-nback_no]:
                target.append(1)
            else:
                target.append(0)
        n = n+1
    infolooper(infoloop,window) #present basic test info for participant (what test, etc)
    ready.draw()
    window.flip()
    event.waitKeys(keyList=['return'])
    n=0
    #play/draw stimuli and record response time
    for vtrial in vstimlist:
        response=None; hit=None; time=None
        vtrial.draw()
        astimlist[n].play()
        starttime=window.flip()
        #each stimulus is displayed for the duration specified
        response=event.waitKeys(maxWait=dura-(1/120.0),keyList=['l'],timeStamped=True)
        while(logging.defaultClock.getTime() - starttime) <= dura:
            pass
        if response!=None:
            if target[n]==1: #if target trials and get keypress, set 'hit' to true
                hit=True
            else: #if not target trials but get keypress, set 'hit' to false
                hit=False
            time=response[0][1]-starttime #record RT for any keypress

        window.flip()

#output includes: condition, trial number, whether it's target, whether a hit, RT
        fi.writerow(['%s, %d, %s, %s, %s\n'%('paired', n+1, str(target[n]==1), str(hit), str(time))])
        n = n+1
        core.wait(0.5)
    
    #fi.writerow(['Testing sequence ', seq])
    fi.writerow([])