diff options
| -rw-r--r-- | Demo/tkinter/matt/bind-w-mult-calls-p-type.py | 43 | ||||
| -rw-r--r-- | Demo/tkinter/matt/menu-simple.py | 4 |
2 files changed, 45 insertions, 2 deletions
diff --git a/Demo/tkinter/matt/bind-w-mult-calls-p-type.py b/Demo/tkinter/matt/bind-w-mult-calls-p-type.py new file mode 100644 index 0000000..62beb09 --- /dev/null +++ b/Demo/tkinter/matt/bind-w-mult-calls-p-type.py @@ -0,0 +1,43 @@ +from Tkinter import * +import string + +# This program shows how to use a simple type-in box + +class App(Frame): + def __init__(self, master=None): + Frame.__init__(self, master) + self.pack() + + self.entrythingy = Entry() + self.entrythingy.pack() + + # and here we get a callback when the user hits return. we could + # make the key that triggers the callback anything we wanted to. + # other typical options might be <Key-Tab> or <Key> (for anything) + self.entrythingy.bind('<Key-Return>', self.print_contents) + + # Note that here is where we bind a completely different callback to + # the same event. We pass "+" here to indicate that we wish to ADD + # this callback to the list associated with this event type. Not specifying "+" would + # simply override whatever callback was defined on this event. + self.entrythingy.bind('<Key-Return>', self.print_something_else, "+") + + def print_contents(self, event): + print "hi. contents of entry is now ---->", self.entrythingy.get() + + + def print_something_else(self, event): + print "hi. Now doing something completely different" + + +root = App() +root.master.title("Foo") +root.mainloop() + + + +# secret tip for experts: if you pass *any* non-false value as +# the third parameter to bind(), Tkinter.py will accumulate +# callbacks instead of overwriting. I use "+" here because that's +# the Tk notation for getting this sort of behavior. The perfect GUI +# interface would use a less obscure notation. diff --git a/Demo/tkinter/matt/menu-simple.py b/Demo/tkinter/matt/menu-simple.py index a1fc2fb..1f46e21 100644 --- a/Demo/tkinter/matt/menu-simple.py +++ b/Demo/tkinter/matt/menu-simple.py @@ -19,8 +19,8 @@ from Tkinter import * # | New... | # | Open... | # | Print | -# | | <-------- This is a MENU. The lines of text in the menu are -# | | MENU ENTRIES +# | | <------ This is a MENU. The lines of text in the menu are +# | | MENU ENTRIES # | +---------------+ # | Open Files > | file1 | # | | file2 | |