mirror of
https://github.com/python/cpython.git
synced 2025-10-30 21:21:22 +00:00
f6cbdc22be
OS X window manager connection in tk tests, use OS X Application Services API calls instead.
79 lines
2.7 KiB
Python
79 lines
2.7 KiB
Python
import sys
|
|
import tkinter
|
|
import unittest
|
|
|
|
_tk_unavailable = None
|
|
|
|
def check_tk_availability():
|
|
"""Check that Tk is installed and available."""
|
|
global _tk_unavailable
|
|
|
|
if _tk_unavailable is None:
|
|
_tk_unavailable = False
|
|
if sys.platform == 'darwin':
|
|
# The Aqua Tk implementations on OS X can abort the process if
|
|
# being called in an environment where a window server connection
|
|
# cannot be made, for instance when invoked by a buildbot or ssh
|
|
# process not running under the same user id as the current console
|
|
# user. To avoid that, raise an exception if the window manager
|
|
# connection is not available.
|
|
from ctypes import cdll, c_int, pointer, Structure
|
|
from ctypes.util import find_library
|
|
|
|
app_services = cdll.LoadLibrary(find_library("ApplicationServices"))
|
|
|
|
if app_services.CGMainDisplayID() == 0:
|
|
_tk_unavailable = "cannot run without OS X window manager"
|
|
else:
|
|
class ProcessSerialNumber(Structure):
|
|
_fields_ = [("highLongOfPSN", c_int),
|
|
("lowLongOfPSN", c_int)]
|
|
psn = ProcessSerialNumber()
|
|
psn_p = pointer(psn)
|
|
if ( (app_services.GetCurrentProcess(psn_p) < 0) or
|
|
(app_services.SetFrontProcess(psn_p) < 0) ):
|
|
_tk_unavailable = "cannot run without OS X gui process"
|
|
else: # not OS X
|
|
import tkinter
|
|
try:
|
|
tkinter.Button()
|
|
except tkinter.TclError as msg:
|
|
# assuming tk is not available
|
|
_tk_unavailable = "tk not available: %s" % msg
|
|
|
|
if _tk_unavailable:
|
|
raise unittest.SkipTest(_tk_unavailable)
|
|
return
|
|
|
|
def get_tk_root():
|
|
check_tk_availability() # raise exception if tk unavailable
|
|
try:
|
|
root = tkinter._default_root
|
|
except AttributeError:
|
|
# it is possible to disable default root in Tkinter, although
|
|
# I haven't seen people doing it (but apparently someone did it
|
|
# here).
|
|
root = None
|
|
|
|
if root is None:
|
|
# create a new master only if there isn't one already
|
|
root = tkinter.Tk()
|
|
|
|
return root
|
|
|
|
def root_deiconify():
|
|
root = get_tk_root()
|
|
root.deiconify()
|
|
|
|
def root_withdraw():
|
|
root = get_tk_root()
|
|
root.withdraw()
|
|
|
|
|
|
def simulate_mouse_click(widget, x, y):
|
|
"""Generate proper events to click at the x, y position (tries to act
|
|
like an X server)."""
|
|
widget.event_generate('<Enter>', x=0, y=0)
|
|
widget.event_generate('<Motion>', x=x, y=y)
|
|
widget.event_generate('<ButtonPress-1>', x=x, y=y)
|
|
widget.event_generate('<ButtonRelease-1>', x=x, y=y)
|