GIF89a;
EcchiShell v1.0
/
/
usr/
lib64/
lib64/
lib64/
lib64/
python2.7/
', self.clickhandler)
self.group.bind('', self.doubleclickhandler)
def add(self, object):
self.objects.append(object)
self.group.addtag_withtag(object.group)
self.position(object)
def delete(self, object):
object.group.dtag(self.group)
self.objects.remove(object)
def position(self, object):
object.tkraise()
i = self.objects.index(object)
object.moveto(self.x + i*4, self.y + i*8)
def clickhandler(self, event):
pass
def doubleclickhandler(self, event):
pass
class MovingPile(Pile):
def bindhandlers(self):
Pile.bindhandlers(self)
self.group.bind('', self.motionhandler)
self.group.bind('', self.releasehandler)
movethis = None
def clickhandler(self, event):
tags = self.canvas.gettags('current')
for i in range(len(self.objects)):
o = self.objects[i]
if o.group.tag in tags:
break
else:
self.movethis = None
return
self.movethis = self.objects[i:]
for o in self.movethis:
o.tkraise()
self.lastx = event.x
self.lasty = event.y
doubleclickhandler = clickhandler
def motionhandler(self, event):
if not self.movethis:
return
dx = event.x - self.lastx
dy = event.y - self.lasty
self.lastx = event.x
self.lasty = event.y
for o in self.movethis:
o.moveby(dx, dy)
def releasehandler(self, event):
objects = self.movethis
if not objects:
return
self.movethis = None
self.finishmove(objects)
def finishmove(self, objects):
for o in objects:
self.position(o)
class Pile1(MovingPile):
x = 50
y = 50
tag = 'p1'
def __init__(self, demo):
self.demo = demo
MovingPile.__init__(self, self.demo.canvas, self.x, self.y, self.tag)
def doubleclickhandler(self, event):
try:
o = self.objects[-1]
except IndexError:
return
o.transfer(self.other())
MovingPile.doubleclickhandler(self, event)
def other(self):
return self.demo.p2
def finishmove(self, objects):
o = objects[0]
p = self.other()
x, y = o.x, o.y
if (x-p.x)**2 + (y-p.y)**2 < (x-self.x)**2 + (y-self.y)**2:
for o in objects:
o.transfer(p)
else:
MovingPile.finishmove(self, objects)
class Pile2(Pile1):
x = 150
y = 50
tag = 'p2'
def other(self):
return self.demo.p1
class Demo:
def __init__(self, master):
self.master = master
self.canvas = Canvas(master,
width=200, height=200,
background='yellow',
relief=SUNKEN, borderwidth=2)
self.canvas.pack(expand=1, fill=BOTH)
self.p1 = Pile1(self)
self.p2 = Pile2(self)
o1 = Object(self.canvas, fill='red', text='o1')
o2 = Object(self.canvas, fill='green', text='o2')
o3 = Object(self.canvas, fill='light blue', text='o3')
o1.transfer(self.p1)
o2.transfer(self.p1)
o3.transfer(self.p2)
# Main function, run when invoked as a stand-alone Python program.
def main():
root = Tk()
demo = Demo(root)
root.protocol('WM_DELETE_WINDOW', root.quit)
root.mainloop()
if __name__ == '__main__':
main()