login.tk

《Beginning Linux Programming》书的配置实例源代码。

#!/usr/bin/wish -f

# First, set up the look of the login window. We also define a global loginName variable.

set loginName "timB"

label .name -text "Login:"
entry .nameEntry -textvariable loginName 
label .passwd -text "Password:"
entry .passwdEntry -textvariable passwd -show *

# Then we select all the text from .nameEntry.

.nameEntry selection from 0
.nameEntry selection to end

# Lastly, we arrange the widgets on the screen-we'll explain it later!

grid .name  -row 0 -column 0 -sticky "w" 
grid .passwd -row 1 -column 0 -sticky "w"
grid .nameEntry -row 0 -column 1 -columnspan 2 -sticky "W"
grid .passwdEntry -row 1  -column 1 -columnspan 2 -sticky "W"