\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /lib64/python2.7/Demo/tkinter/matt/

Viewing File: canvas-gridding.py

from Tkinter import *

# this is the same as simple-demo-1.py, but uses
# subclassing.
# note that there is no explicit call to start Tk.
# Tkinter is smart enough to start the system if it's not already going.

class Test(Frame):
    def printit(self):
        print "hi"

    def createWidgets(self):
        self.QUIT = Button(self, text='QUIT',
                                  background='red',
                                  foreground='white',
                                  height=3,
                                  command=self.quit)
        self.QUIT.pack(side=BOTTOM, fill=BOTH)

        self.canvasObject = Canvas(self, width="5i", height="5i")
        self.canvasObject.pack(side=LEFT)

    def mouseDown(self, event):
        # canvas x and y take the screen coords from the event and translate
        # them into the coordinate system of the canvas object
        self.startx = self.canvasObject.canvasx(event.x, self.griddingSize)
        self.starty = self.canvasObject.canvasy(event.y, self.griddingSize)

    def mouseMotion(self, event):
        # canvas x and y take the screen coords from the event and translate
        # them into the coordinate system of the canvas object
        x = self.canvasObject.canvasx(event.x, self.griddingSize)
        y = self.canvasObject.canvasy(event.y, self.griddingSize)

        if (self.startx != event.x)  and (self.starty != event.y) :
            self.canvasObject.delete(self.rubberbandBox)
            self.rubberbandBox = self.canvasObject.create_rectangle(
                self.startx, self.starty, x, y)
            # this flushes the output, making sure that
            # the rectangle makes it to the screen
            # before the next event is handled
            self.update_idletasks()

    def __init__(self, master=None):
        Frame.__init__(self, master)
        Pack.config(self)
        self.createWidgets()

        # this is a "tagOrId" for the rectangle we draw on the canvas
        self.rubberbandBox = None

        # this is the size of the gridding squares
        self.griddingSize = 50

        Widget.bind(self.canvasObject, "<Button-1>", self.mouseDown)
        Widget.bind(self.canvasObject, "<Button1-Motion>", self.mouseMotion)


test = Test()

test.mainloop()