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gh-47655: Add support for user data of Tk virtual events to tkinter #7142

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Merged
serhiy-storchaka merged 9 commits into from
Feb 25, 2026
Merged

gh-47655: Add support for user data of Tk virtual events to tkinter #7142

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3ab440a
bpo-3405: Add support for user data of Tk virtual events in tkinter (…
mkiever May 13, 2018
bebae49
Tests added to test_tk for virtual events
mkiever May 20, 2018
36067fe
Also test for empty user_data
mkiever May 27, 2018
40b9f74
Merge branch 'main' into bpo3405_event
mkiever Sep 21, 2024
12bc426
Merge branch 'main' into bpo3405_event
serhiy-storchaka Jan 19, 2026
dd52032
Merge branch 'main' into bpo3405_event
serhiy-storchaka Feb 24, 2026
0ec1de1
Rewrite tests.
serhiy-storchaka Feb 24, 2026
e3e3cd0
Only set user_data for virtual events and detail for corresponding ev…
serhiy-storchaka Feb 24, 2026
67ee37a
Update docs.
serhiy-storchaka Feb 24, 2026
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bpo-3405: Add support for user data of Tk virtual events in tkinter (… 
…%d substitution).
  • Loading branch information
@mkiever
mkiever committed Apr 27, 2023
commit 3ab440ac98c62802d9714ad16e79f93d31ca6161
15 changes: 12 additions & 3 deletions Lib/tkinter/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -251,6 +251,10 @@ class Event:
type - type of the event as a number
widget - widget in which the event occurred
delta - delta of wheel movement (MouseWheel)
detail - certain fixed strings (see tcl/tk documentation)
(Enter, Leave, FocusIn, FocusOut, ConfigureRequest)
user_data - data string which was passed to event_generate or empty string
(VirtualEvent)
"""

def __repr__(self):
Expand Down Expand Up @@ -1595,7 +1599,7 @@ def _root(self):
w = self
while w.master is not None: w = w.master
return w
_subst_format = ('%#', '%b', '%f', '%h', '%k',
_subst_format = ('%#', '%b', '%d', '%f', '%h', '%k',
'%s', '%t', '%w', '%x', '%y',
'%A', '%E', '%K', '%N', '%W', '%T', '%X', '%Y', '%D')
_subst_format_str = " ".join(_subst_format)
Expand All @@ -1613,11 +1617,14 @@ def getint_event(s):
except (ValueError, TclError):
return s

nsign, b, f, h, k, s, t, w, x, y, A, E, K, N, W, T, X, Y, D = args
# Missing: (a, c, d, m, o, v, B, R)
nsign, b, d, f, h, k, s, t, w, x, y, A, E, K, N, W, T, X, Y, D = args
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serhiy-storchaka marked this conversation as resolved.
# Missing: (a, c, m, o, v, B, R)
e = Event()
# serial field: valid for all events
# number of button: ButtonPress and ButtonRelease events only
# detail: for Enter, Leave, FocusIn, FocusOut and ConfigureRequest
# events certain fixed strings (see tcl/tk documentation)
# user_data: data string from a virtual event or an empty string
# height field: Configure, ConfigureRequest, Create,
# ResizeRequest, and Expose events only
# keycode field: KeyPress and KeyRelease events only
Expand All @@ -1631,6 +1638,8 @@ def getint_event(s):
# KeyRelease, and Motion events
e.serial = getint(nsign)
e.num = getint_event(b)
e.user_data = d
e.detail = d
try: e.focus = getboolean(f)
except TclError: pass
e.height = getint_event(h)
Expand Down
1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Library/2018-05-11-12-26-16.bpo-3405.CacMw9.rst
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@@ -0,0 +1 @@
Add support for user data of Tk virtual events to :mod:`tkinter`.