Is there a simple way to cut and paste from a tkinter text widget to an
entry widget? I know I could create a mouse button event that triggers
a popup (message widget) prompting for cut/paste in each of the widgets
using a temp variable to hold the text, but I don't wnat to reinvent the
wheel if there already is something that does the job.
Thanks,
Bill 7 17897
William Gill wrote: Is there a simple way to cut and paste from a tkinter text widget to an entry widget? I know I could create a mouse button event that triggers a popup (message widget) prompting for cut/paste in each of the widgets using a temp variable to hold the text, but I don't wnat to reinvent the wheel if there already is something that does the job.
1) TKinter text and entry widgets should already have proper event
bindings for cut/copy/paste. Test first with your system-default
keyboard shortcuts (^C, ^X, ^V on Windows). I haven't tried it myself,
but I think those events bind to '<<Cut>>', '<<Copy>>', and '<<Paste>>',
so generating them should Do The Right Thing with selected text.
2) If you need to do any processing on the clipboard data, look at
widget.selectio n_get [so named because of the way that X handles its
clipboard] Is there a simple way to cut and paste from a tkinter text widget to an entry widget? I know I could create a mouse button event that triggers a popup (message widget) prompting for cut/paste in each of the widgets using a temp variable to hold the text, but I don't wnat to reinvent the wheel if there already is something that does the job.
1) TKinter text and entry widgets should already have proper event bindings for cut/copy/paste. Test first with your system-default keyboard shortcuts (^C, ^X, ^V on Windows). I haven't tried it myself, but I think those events bind to '<<Cut>>', '<<Copy>>', and '<<Paste>>', so generating them should Do The Right Thing with selected text.
^C, ^X, and ^V work just fine! (I swear I tried that before I posted
and they didn't???)
2) If you need to do any processing on the clipboard data, look at widget.selectio n_get [so named because of the way that X handles its clipboard]
From my reading, w.selection_get will return the selected text in w,
and places it on the clipboard. I didn't see any way to get data from
the clipboard.
Thanks,
Bill
Here's some code that gives a cut-copy-paste pop-up window on all Entry widgets
in an application.
This code is released into the public domain.
Jeff Epler
#------------------------------------------------------------------------
import Tkinter
def make_menu(w):
global the_menu
the_menu = Tkinter.Menu(w, tearoff=0)
the_menu.add_co mmand(label="Cu t")
the_menu.add_co mmand(label="Co py")
the_menu.add_co mmand(label="Pa ste")
def show_menu(e):
w = e.widget
the_menu.entryc onfigure("Cut",
command=lambda: w.event_generat e("<<Cut>>"))
the_menu.entryc onfigure("Copy" ,
command=lambda: w.event_generat e("<<Copy>>") )
the_menu.entryc onfigure("Paste ",
command=lambda: w.event_generat e("<<Paste>>" ))
the_menu.tk.cal l("tk_popup", the_menu, e.x_root, e.y_root)
t = Tkinter.Tk()
make_menu(t)
e1 = Tkinter.Entry() ; e1.pack()
e2 = Tkinter.Entry() ; e2.pack()
e1.bind_class(" Entry", "<Button-3><ButtonReleas e-3>", show_menu)
t.mainloop()
#------------------------------------------------------------------------
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.6 (GNU/Linux)
iD8DBQFC8T/iJd01MZaTXX0RAv RhAJ9nNGclYItSJ p/PlHYJlbB+77CpDQ CdE1xh
nIk5KAPLyOzut3K P5kdGO1U=
=45zY
-----END PGP SIGNATURE-----
Apologies in advance to anyone who has this post mangled, I use a couple
Unicode characters at the end and Thunderbird wants to use UTF8 for the
message encoding. Unless it does something weird, this post should
still be legible... but I'm not going to rely on that. :)
William Gill wrote: 2) If you need to do any processing on the clipboard data, look at widget.selectio n_get [so named because of the way that X handles its clipboard]
From my reading, w.selection_get will return the selected text in w, and places it on the clipboard. I didn't see any way to get data from the clipboard.
Not exactly. The docs for selection_get say:
"""Return the contents of the current X selection.
A keyword parameter selection specifies the name of
the selection and defaults to PRIMARY. A keyword
parameter displayof specifies a widget on the display
to use."""
The "X selection" is another way of saying "clipboard, " again because of
the way that X manages the clipboard.
In experimenting with this, I found a slight... fun issue involved in
this. Selection_get is the correct method to call, but it doesn't quite
work out of the box. g.selection_get ()
Traceback (most recent call last):
File "<stdin>", line 1, in ?
File "C:\Python24\Li b\lib-tk\Tkinter.py", line 574, in selection_get
return self.tk.call((' selection', 'get') + self._options(k w))
_tkinter.TclErr or: PRIMARY selection doesn't exist or form "STRING" not
defined
This poses a small problem. I'm not sure whether this is a
Win32-related issue, or it's because the PRIMARY selection isn't fully
configured. Regardless, even if it worked it still wouldn't be what we
wanted; the selection we want is CLIPBOARD. See this code:
g.clipboard_cle ar() g.clipboard_app end('I just love the wonderful clipboard management
functions
of Tk!') g.selection_get (selection='CLI PBOARD')
'I just love the wonderful clipboard management functions of Tk!'
And then, copying some text from this compose window... g.selection_get (selection='CLI PBOARD')
'And then, copying some text from this compose window...'
In theory, the clipboard will support more than text. This support is
nontrivial, which is code for saying that I have no idea how to get it
to work.
Also, despite ICCCM standards, it looks like this clipboard management
on win32 works as-is with unicode data -- under Tkinter, it returns a
unicode string. (α β γ δ -- and good luck with -that- going through
unmangled)
handy.
Thanks,
Bill je****@unpython ic.net wrote: Here's some code that gives a cut-copy-paste pop-up window on all Entry widgets in an application.
This code is released into the public domain.
Jeff Epler #------------------------------------------------------------------------ import Tkinter
def make_menu(w): global the_menu the_menu = Tkinter.Menu(w, tearoff=0) the_menu.add_co mmand(label="Cu t") the_menu.add_co mmand(label="Co py") the_menu.add_co mmand(label="Pa ste")
def show_menu(e): w = e.widget the_menu.entryc onfigure("Cut", command=lambda: w.event_generat e("<<Cut>>")) the_menu.entryc onfigure("Copy" , command=lambda: w.event_generat e("<<Copy>>") ) the_menu.entryc onfigure("Paste ", command=lambda: w.event_generat e("<<Paste>>" )) the_menu.tk.cal l("tk_popup", the_menu, e.x_root, e.y_root)
t = Tkinter.Tk() make_menu(t)
e1 = Tkinter.Entry() ; e1.pack() e2 = Tkinter.Entry() ; e2.pack() e1.bind_class(" Entry", "<Button-3><ButtonReleas e-3>", show_menu)
t.mainloop() #------------------------------------------------------------------------
Christopher Subich wrote: In experimenting with this, I found a slight... fun issue involved in this. Selection_get is the correct method to call, but it doesn't quite work out of the box. >>> g.selection_get () Traceback (most recent call last): File "<stdin>", line 1, in ? File "C:\Python24\Li b\lib-tk\Tkinter.py", line 574, in selection_get return self.tk.call((' selection', 'get') + self._options(k w)) _tkinter.TclErr or: PRIMARY selection doesn't exist or form "STRING" not defined
This poses a small problem. I'm not sure whether this is a Win32-related issue, or it's because the PRIMARY selection isn't fully configured.
You need to select something first :-) from Tkinter import * tk = Tk(); e = Entry(tk); e.pack() # Type 'foo' into the Entry, then highlight it
.... e.selection_get ()
'foo'
e.selection_get () will raise TclError if the widget you call it on has
nothing selected.
>>> g.selection_get (selection='CLI PBOARD')
I didn't know about this, though..
--
John.
Repton wrote: This poses a small problem. I'm not sure whether this is a Win32-related issue, or it's because the PRIMARY selection isn't fully configured.
You need to select something first :-)
That doesn't work for inter-process communication, though, at least not
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