May 21, 2024 · May 21, 2024 · May 21, 2024
diff --git a/Lib/idlelib/config.py b/Lib/idlelib/config.py
        self.defaultCfg = {}
        self.userCfg = {}
        self.cfg = {}  # TODO use to select userCfg vs defaultCfg

        # See https://bugs.python.org/issue4630#msg356516 for following.
        # self.blink_off_time = <first editor text>['insertofftime']
        # See https://bugs.python.org/issue4630#msg356516.

        if not _utest:
            self.CreateConfigHandlers()
diff --git a/Lib/idlelib/pyshell.py b/Lib/idlelib/pyshell.py
          "Your Python may not be configured for Tk. **", file=sys.__stderr__)
    raise SystemExit(1)

 # Valid arguments for the ...Awareness call below are defined in the following.
 # https://msdn.microsoft.com/en-us/library/windows/desktop/dn280512(v=vs.85).aspx
 if sys.platform == 'win32':
    try:
        import ctypes
        PROCESS_SYSTEM_DPI_AWARE = 1  # Int required.
        ctypes.OleDLL('shcore').SetProcessDpiAwareness(PROCESS_SYSTEM_DPI_AWARE)
    except (ImportError, AttributeError, OSError):
        pass
    from idlelib.util import fix_win_hidpi
    fix_win_hidpi()

 from tkinter import messagebox

diff --git a/Lib/idlelib/util.py b/Lib/idlelib/util.py
    * std streams (pyshell, run),
    * warning stuff (pyshell, run).
 """
 import sys

 # .pyw is for Windows; .pyi is for typing stub files.
 # The extension order is needed for iomenu open/save dialogs.
 py_extensions = ('.py', '.pyw', '.pyi')


 # Fix for HiDPI screens on Windows.  CALL BEFORE ANY TK OPERATIONS!
 # URL for arguments for the ...Awareness call below.
 # https://msdn.microsoft.com/en-us/library/windows/desktop/dn280512(v=vs.85).aspx
 if sys.platform == 'win32':  # pragma: no cover
    def fix_win_hidpi():  # Called in pyshell and turtledemo.
        try:
            import ctypes
            PROCESS_SYSTEM_DPI_AWARE = 1  # Int required.
            ctypes.OleDLL('shcore').SetProcessDpiAwareness(PROCESS_SYSTEM_DPI_AWARE)
        except (ImportError, AttributeError, OSError):
            pass


 if __name__ == '__main__':
    from unittest import main
    main('idlelib.idle_test.test_util', verbosity=2)
diff --git a/Lib/turtledemo/__main__.py b/Lib/turtledemo/__main__.py
 from idlelib.colorizer import ColorDelegator, color_config
 from idlelib.percolator import Percolator
 from idlelib.textview import view_text
 import turtle
 from turtledemo import __doc__ as about_turtledemo

 import turtle
 if sys.platform == 'win32':
    from idlelib.util import fix_win_hidpi
    fix_win_hidpi()

 demo_dir = os.path.dirname(os.path.abspath(__file__))
 darwin = sys.platform == 'darwin'

 STARTUP = 1
 READY = 2
 RUNNING = 3
diff --git a/Misc/NEWS.d/next/Library/2024-05-19-18-49-04.gh-issue-119174.5GTv7d.rst b/Misc/NEWS.d/next/Library/2024-05-19-18-49-04.gh-issue-119174.5GTv7d.rst
 Fix high DPI causes turtledemo(turtle-graphics examples) windows blurry
 Patch by Wulian233 and Terry Jan Reedy
Original file line number	Diff line number	Diff line change
Expand Up		@@ -158,8 +158,9 @@ def __init__(self, _utest=False):
		self.defaultCfg = {}
		self.userCfg = {}
		self.cfg = {} # TODO use to select userCfg vs defaultCfg

		# See https://bugs.python.org/issue4630#msg356516 for following.
		# self.blink_off_time = <first editor text>['insertofftime']
		# See https://bugs.python.org/issue4630#msg356516.

		if not _utest:
		self.CreateConfigHandlers()
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -11,15 +11,9 @@
		"Your Python may not be configured for Tk. **", file=sys.__stderr__)
		raise SystemExit(1)

		# Valid arguments for the ...Awareness call below are defined in the following.
		# https://msdn.microsoft.com/en-us/library/windows/desktop/dn280512(v=vs.85).aspx
		if sys.platform == 'win32':
		try:
		import ctypes
		PROCESS_SYSTEM_DPI_AWARE = 1 # Int required.
		ctypes.OleDLL('shcore').SetProcessDpiAwareness(PROCESS_SYSTEM_DPI_AWARE)
		except (ImportError, AttributeError, OSError):
		pass
		from idlelib.util import fix_win_hidpi
		fix_win_hidpi()

		from tkinter import messagebox

Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -12,11 +12,26 @@
		* std streams (pyshell, run),
		* warning stuff (pyshell, run).
		"""
		import sys

		# .pyw is for Windows; .pyi is for typing stub files.
		# The extension order is needed for iomenu open/save dialogs.
		py_extensions = ('.py', '.pyw', '.pyi')


		# Fix for HiDPI screens on Windows. CALL BEFORE ANY TK OPERATIONS!
		# URL for arguments for the ...Awareness call below.
		# https://msdn.microsoft.com/en-us/library/windows/desktop/dn280512(v=vs.85).aspx
		if sys.platform == 'win32': # pragma: no cover
		def fix_win_hidpi(): # Called in pyshell and turtledemo.
		try:
		import ctypes
		PROCESS_SYSTEM_DPI_AWARE = 1 # Int required.
		ctypes.OleDLL('shcore').SetProcessDpiAwareness(PROCESS_SYSTEM_DPI_AWARE)
		except (ImportError, AttributeError, OSError):
		pass


		if __name__ == '__main__':
		from unittest import main
		main('idlelib.idle_test.test_util', verbosity=2)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -92,13 +92,15 @@
		from idlelib.colorizer import ColorDelegator, color_config
		from idlelib.percolator import Percolator
		from idlelib.textview import view_text
		import turtle
		from turtledemo import __doc__ as about_turtledemo

		import turtle
		if sys.platform == 'win32':
		from idlelib.util import fix_win_hidpi
		fix_win_hidpi()

		demo_dir = os.path.dirname(os.path.abspath(__file__))
		darwin = sys.platform == 'darwin'

		STARTUP = 1
		READY = 2
		RUNNING = 3
Expand Down
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		Fix high DPI causes turtledemo(turtle-graphics examples) windows blurry
		Patch by Wulian233 and Terry Jan Reedy