python - マウスクリックで特定のポイントで何かを行うには?

Question

Zelle のグラフィックの特定のポイントをクリックすると、マウスに何かをさせるにはどうすればよいですか? 私がやろうとしているのは、「スタートボタン」の画像をクリックしたときにストップウォッチを開始させることです。ただし、プログラムがクラッシュするか、何もしないため、明らかに何か間違ったことをしています。

from graphics import *
import time
#from tkinter import *

win = GraphWin('Stopwatch', 600, 600)
win.yUp()

#Assigning images
stopWatchImage = Image(Point (300, 300), "stopwatch.png")
startImage = Image(Point (210, 170), "startbutton.png")
stopImage = Image(Point (390, 170), "stopbutton.png")
lapImage = Image(Point (300, 110), "lapbutton.png")


stopWatchImage.draw(win)
startImage.draw(win)
stopImage.draw(win)
lapImage.draw(win)


sec = 0
minute = 0
hour = 0

def isBetween(x, end1, end2):
'''Return True if x is between the ends or equal to either.
The ends do not need to be in increasing order.'''

    return end1 <= x <= end2 or end2 <= x <= end1

def isInside(point, startImage):
'''Return True if the point is inside the Rectangle rect.'''

    pt1 = startImage.getP1()
    pt2 = startImage.getP2()
    return isBetween(point.getX(), pt1.getX(), pt2.getX()) and \
           isBetween(point.getY(), pt1.getY(), pt2.getY())


def getChoice(win):     #NEW
'''Given a list choicePairs of tuples with each tuple in the form
(rectangle, choice), return the choice that goes with the rectangle
in win where the mouse gets clicked, or return default if the click
is in none of the rectangles.'''

    point = win.getMouse()
    if isInside(point, startImage):
        time.sleep(1)
        sec += 1
        timeText.setText(sec)
        timeText.setText('')


        while sec >= 0 and sec < 61:

         #Displaying Time
            timeText = Text(Point (300,260), str(hour) + ":" + str(minute) + ":" + str(sec))
            timeText.setSize(30)
            timeText.draw(win)
            time.sleep(1)
            sec += 1
            timeText.setText(sec)
            timeText.setText('')
            #Incrementing minutes,hours
            if sec == 60:
                sec = 0        
                minute += 1

            if minute == 60:
                sec = 0
                minute = 0
                hour += 1


return default


def layout()
    getChoice(win)

layout()

私はそれを機能させることができないようです。

編集：明確にするために残りのコードを追加しました。

Answer 1

setMouseHandlerウィンドウをクリックしたときに呼び出される機能を割り当てるために使用できます。

たとえば、ウィンドウの左側をクリックすると長方形が描画され、ウィンドウの右側をクリックすると円が描画されます。

ファイルgraphics.pyを開いてすべてのコードを表示できます。使用できる機能を確認するための最速の方法です。

from graphics import *

# --- functions ---

def on_click(point):
    # inform function to use global variable
    global win

    if point.x > win.width//2:
        c = Circle(point, 10)
        c.draw(win)
    else:
        a = Point(point.x - 10, point.y - 10)
        b = Point(point.x + 10, point.y + 10)
        r = Rectangle(a, b)
        r.draw(win)

def main():
    # inform function to use global variable
    global win

    win = GraphWin("My Circle", 500, 500)

    win.setMouseHandler(on_click)

    win.getKey() 
    win.close()

# --- start ---

# create global variable
win = None

main()

---

ところで： ウィジェット、、、などをgraphics使用します。キャンバスにウィジェットを追加するために使用できます。TkinterButtonLabelTextcanvas.create_window()

Tkinterafter(miliseconds, function_name)機能を定期的に実行できる機能もあります-つまり。時刻を更新します。

例

from graphics import *
import datetime

# --- classes ---

class _Widget():
    def __init__(self, x, y, w, h, **options):
        self.x = x
        self.y = y
        self.w = w
        self.h = h
        self.options = options

    def draw(self, canvas, **options):
        return None

    def set(self, **options):
        self.widget.config(options)

    def get(self, **options):
        self.widget.cget(options)

class Button(_Widget):

    def draw(self, canvas, **options):
        x, y = canvas.toScreen(self.x, self.y) # ???

        self.widget = tk.Button(canvas, self.options)

        return canvas.create_window((x, y), options, width=self.w, height=self.h, window=self.widget, anchor='nw')

class Label(_Widget):

    def draw(self, canvas, **options):
        x, y = canvas.toScreen(self.x, self.y) # ???

        self.widget = tk.Label(canvas, self.options)

        return canvas.create_window((x, y), options, width=self.w, height=self.h, window=self.widget, anchor='nw')

# --- functions ---

def on_start():
    #global b1, b2
    global running

    b1.set(state='disabled')
    b2.set(state='normal')

    running = True

    # run first time
    update_time()

    print("START")

def on_stop():
    #global b1, b2
    global running

    b1.set(state='normal')
    b2.set(state='disabled')
    l.set(text="Controls:")

    running = False

    print("STOP")

def update_time():
    #global l
    #global running

    if running:

        l.set(text=datetime.datetime.now().strftime("%H:%M:%S"))

        # run again after 1000ms (1s)
        win.after(1000, update_time)

# --- main ---

def main():
    global win, l, b1, b2

    win = GraphWin("My Buttons", 500, 500)

    l = Label(0, 0, 100, 50, text="Controls:")
    l.draw(win)

    b1 = Button(100, 0, 100, 50, text="START", command=on_start)
    b1.draw(win)

    b2 = Button(200, 0, 100, 50, text="STOP", command=on_stop, state='disabled')
    b2.draw(win)

    win.getKey() 
    win.close()

# --- global variable to access in functions ---

win = None
l  = None
b1 = None
b2 = None

running = False

# --- start ---

main()

Tkinter: Canvas、Button、その他

---

編集: 作業例

from graphics import *


def isBetween(x, end1, end2):
    return end1 <= x <= end2 or end2 <= x <= end1

def isInside(point, startImage):
    x = startImage.getAnchor().getX()
    y = startImage.getAnchor().getY()
    w = startImage.getWidth()/2
    h = startImage.getHeight()/2

    pt1_x = x - w
    pt1_y = y - h

    pt2_x = x + w
    pt2_y = y + h

    return isBetween(point.getX(), pt1_x, pt2_x) and \
           isBetween(point.getY(), pt1_y, pt2_y)


def getChoice(event):
    global hour, minute, sec
    global running

    point = Point(round(event.x), round(event.y))

    if isInside(point, startImage):
        sec = 0
        minute = 0
        hour = 0
        running = True
        update_time()

    if isInside(point, stopImage):
        running = False


def update_time():
    global hour, minute, sec
    #global timeText
    #global win

    sec += 1

    if sec == 60:
        sec = 0        
        minute += 1
        if minute == 60:
            minute = 0
            hour += 1

    timeText.setText('{}:{}:{}'.format(hour, minute, sec))

    if running:
        win.after(1000, update_time)
    else:
        timeText.setText('')


def layout():
    global win
    global stopWatchImage
    global startImage
    global stopImage
    global lapImage
    global timeText

    win = GraphWin('Stopwatch', 600, 600)
    #win.yUp()

    #Assigning images
    stopWatchImage = Image(Point(300, 300), "stopwatch.png")
    startImage = Image(Point(210, 170), "startbutton.png")
    stopImage = Image(Point(390, 170), "stopbutton.png")
    lapImage = Image(Point(300, 110), "lapbutton.png")

    #Drawing images
    stopWatchImage.draw(win)
    startImage.draw(win)
    stopImage.draw(win)
    lapImage.draw(win)

    timeText = Text(Point(300,260), '')
    timeText.setSize(30)
    timeText.draw(win)

    win.setMouseHandler(getChoice)

    win.getKey()

# --- global variable ---

win = None

stopWatchImage = None
startImage = None
stopImage = None
lapImage = None

timeText = None

running = False

# --- start ---

layout()