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Code Issues Projects Releases Packages Wiki Activity Actions 8

Work a bit more on tkinter demos.

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This commit is contained in:
Georg Brandl 2010-10-26 10:39:14 +00:00
parent 19208900f4
commit f19ff1ea7d
9 changed files with 99 additions and 90 deletions
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74
Demo/tkinter/guido/sortvisu.py
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@ -18,7 +18,6 @@ stand-alone application.
"""
from tkinter import *
import random
@ -201,27 +200,28 @@ class ArrayItem:
self.value = value
self.canvas = array.canvas
x1, y1, x2, y2 = self.position()
self.item = array.canvas.create_rectangle(x1, y1, x2, y2,
self.item_id = array.canvas.create_rectangle(x1, y1, x2, y2,
fill='red', outline='black', width=1)
array.canvas.tag_bind(self.item, '<Button-1>', self.mouse_down)
array.canvas.tag_bind(self.item, '<Button1-Motion>', self.mouse_move)
array.canvas.tag_bind(self.item, '<ButtonRelease-1>', self.mouse_up)
self.canvas.tag_bind(self.item_id, '<Button-1>', self.mouse_down)
self.canvas.tag_bind(self.item_id, '<Button1-Motion>', self.mouse_move)
self.canvas.tag_bind(self.item_id, '<ButtonRelease-1>', self.mouse_up)
def delete(self):
item = self.item
item_id = self.item_id
self.array = None
self.item = None
item.delete()
self.item_id = None
self.canvas.delete(item_id)
def mouse_down(self, event):
self.lastx = event.x
self.lasty = event.y
self.origx = event.x
self.origy = event.y
self.item.tkraise()
self.canvas.tag_raise(self.item_id)
def mouse_move(self, event):
self.item.move(event.x - self.lastx, event.y - self.lasty)
self.canvas.move(self.item_id,
event.x - self.lastx, event.y - self.lasty)
self.lastx = event.x
self.lasty = event.y
@ -236,7 +236,7 @@ class ArrayItem:
self.array.items[here], self.array.items[i] = other, self
self.index = i
x1, y1, x2, y2 = self.position()
self.canvas.coords(self.item, (x1, y1, x2, y2))
self.canvas.coords(self.item_id, (x1, y1, x2, y2))
other.setindex(here)
def setindex(self, index):
@ -248,9 +248,9 @@ class ArrayItem:
self.index = index
newpts = self.position()
trajectory = interpolate(oldpts, newpts, nsteps)
self.item.tkraise()
self.canvas.tag_raise(self.item_id)
for pts in trajectory:
self.canvas.coords(self.item, pts)
self.canvas.coords(self.item_id, pts)
self.array.wait(50)
def swapwith(self, other):
@ -263,45 +263,45 @@ class ArrayItem:
self.index, other.index = other.index, self.index
mynewpts = self.position()
othernewpts = other.position()
myfill = self.canvas.itemcget(self.item, 'fill')
otherfill = self.canvas.itemcget(other.item, 'fill')
self.canvas.itemconfig(self.item, fill='green')
self.canvas.itemconfig(other.item, fill='yellow')
myfill = self.canvas.itemcget(self.item_id, 'fill')
otherfill = self.canvas.itemcget(other.item_id, 'fill')
self.canvas.itemconfig(self.item_id, fill='green')
self.canvas.itemconfig(other.item_id, fill='yellow')
self.array.master.update()
if self.array.speed == "single-step":
self.canvas.coords(self.item, mynewpts)
self.canvas.coords(other.item, othernewpts)
self.canvas.coords(self.item_id, mynewpts)
self.canvas.coords(other.item_id, othernewpts)
self.array.master.update()
self.canvas.itemconfig(self.item, fill=myfill)
self.canvas.itemconfig(other.item, fill=otherfill)
self.canvas.itemconfig(self.item_id, fill=myfill)
self.canvas.itemconfig(other.item_id, fill=otherfill)
self.array.wait(0)
return
mytrajectory = interpolate(myoldpts, mynewpts, nsteps)
othertrajectory = interpolate(otheroldpts, othernewpts, nsteps)
if self.value > other.value:
self.canvas.tag_raise(self.item)
self.canvas.tag_raise(other.item)
self.canvas.tag_raise(self.item_id)
self.canvas.tag_raise(other.item_id)
else:
self.canvas.tag_raise(other.item)
self.canvas.tag_raise(self.item)
self.canvas.tag_raise(other.item_id)
self.canvas.tag_raise(self.item_id)
try:
for i in range(len(mytrajectory)):
mypts = mytrajectory[i]
otherpts = othertrajectory[i]
self.canvas.coords(self.item, mypts)
self.canvas.coords(other.item, otherpts)
self.canvas.coords(self.item_id, mypts)
self.canvas.coords(other.item_id, otherpts)
self.array.wait(50)
finally:
mypts = mytrajectory[-1]
otherpts = othertrajectory[-1]
self.canvas.coords(self.item, mypts)
self.canvas.coords(other.item, otherpts)
self.canvas.itemconfig(self.item, fill=myfill)
self.canvas.itemconfig(other.item, fill=otherfill)
self.canvas.coords(self.item_id, mypts)
self.canvas.coords(other.item_id, otherpts)
self.canvas.itemconfig(self.item_id, fill=myfill)
self.canvas.itemconfig(other.item_id, fill=otherfill)
def compareto(self, other):
myfill = self.canvas.itemcget(self.item, 'fill')
otherfill = self.canvas.itemcget(other.item, 'fill')
myfill = self.canvas.itemcget(self.item_id, 'fill')
otherfill = self.canvas.itemcget(other.item_id, 'fill')
if self.value < other.value:
myflash = 'white'
otherflash = 'black'
@ -314,12 +314,12 @@ class ArrayItem:
myflash = otherflash = 'grey'
outcome = 0
try:
self.canvas.itemconfig(self.item, fill=myflash)
self.canvas.itemconfig(other.item, fill=otherflash)
self.canvas.itemconfig(self.item_id, fill=myflash)
self.canvas.itemconfig(other.item_id, fill=otherflash)
self.array.wait(500)
finally:
self.canvas.itemconfig(self.item, fill=myfill)
self.canvas.itemconfig(other.item, fill=otherfill)
self.canvas.itemconfig(self.item_id, fill=myfill)
self.canvas.itemconfig(other.item_id, fill=otherfill)
return outcome
def position(self):