And this, right here, is why I like the grid method. ; ) I can easily place everything into a grid that I lay out before hand. I'm used to coordinate systems. I just don't have a firm grasp on the way pack works.
Jacob Schmidt > First, thanks for the responses on my questions on using Tkinter for data > entry from last week. Alan's and Harm's responses were very helpful. > > I'm now playing with a tiny application that does nothing except allow the > user to enter a variable for processing. It provides a default value, and > three buttons: if the user hits CANCEL, the app terminates; if he hits OK, > it prints out the entered variable; if he hts RESET, the data entered is > reset to the default it had to start. > > The program logic works, but I'm totally lost on the pakcer layout > manager. What I want to see is a window with something like this (bear > with my ascii art): > > URL: [ http://www.somewhere.com/default ] > > +--------+ +-------+ +----+ > | Cancel | | Reset | | OK | > +--------+ +-------+ +----+ > > What I'm getting is: > > URL: > +--------+ > | Cancel | > +--------+ [ http://www.somewhere.co ] > +-------++----+ > | Reset || OK + > +-------++----+ > > > I'm sure my error lies in the packing, but I don't get it. > > I'm probably thinking abou it wrong, but my logic is this: > > I create a master frame, with two sub-frames, fBaseURL for the URL label > and entry, and fButtons for the three buttons. > > In the fBaseURL frame, I pack the label widget to the top, and then the > entry widget right (i.e., the entry widget to the right of the label > widget). Then I pack in the fBaseURL frame. > > In the fButtons frame, I pack in the "Cancel" button as the top of > fButtons; then "Reset" to its right, and "OK" to its right. Then I pack > in the fButtons frame. > > Finally, I pack the parent frame. > > Well, I'm lost. I'm trying dozens of variations, but just don't get it. > Can someone explain to me how to pack in more simple terms? > > Here's my code: > > import Tkinter as tk > > class DEApp: > def __init__(self): > > top=tk.Tk() > > self.DefaultBaseURL = "http://www.somewhere.com/default/"; > self.tvDefaultBaseURL=tk.StringVar() > self.tvDefaultBaseURL.set(self.DefaultBaseURL) > > self.F=tk.Frame(top) > > fBaseURL=tk.Frame(self.F) > lBaseURL=tk.Label(self.F, text="URL:") > eBaseURL=tk.Entry(textvariable=self.tvDefaultBaseURL) > lBaseURL.pack(side="top") > eBaseURL.pack(side="right") > fBaseURL.pack(side="top") > > fButtons=tk.Frame(self.F) > bCancel=tk.Button(fButtons, text="Cancel", command=self.evCancel) > bReset=tk.Button(fButtons, text="Reset", command=self.evReset) > bOK=tk.Button(fButtons, text="OK", command=self.evOK) > bCancel.pack(side="top") > bReset.pack(side="right") > bOK.pack(side="right") > fButtons.pack(side="left") > > self.F.pack(side="top") > > def evCancel(self): > print "Cancel hit" > self.F.quit() > return > > def evReset(self): > print "Reset hit" > self.tvDefaultBaseURL.set(self.DefaultBaseURL) > return > > def evOK(self): > print "OK hit" > print "BaseURL is now", self.tvDefaultBaseURL.get() > self.F.quit() > return > > app = DEApp() > app.F.mainloop() > > > > > > > _______________________________________________ > Tutor maillist - [email protected] > http://mail.python.org/mailman/listinfo/tutor > > _______________________________________________ Tutor maillist - [email protected] http://mail.python.org/mailman/listinfo/tutor
