8000 [3.12] gh-119174: Fix high DPI causes turtledemo(turtle-graphics examples) windows blurry (GH-119175) by miss-islington · Pull Request #119290 · python/cpython · GitHub
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[3.12] gh-119174 8000 : Fix high DPI causes turtledemo(turtle-graphics examples) windows blurry (GH-119175) #119290

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Merged
merged 1 commit into from
May 21, 2024
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[3.12] gh-119174: Fix high DPI causes turtledemo(turtle-graphics examples) windows blurry (GH-119175) #119290

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gh-119174: Fix high DPI causes turtledemo(turtle-graphics examples) w… 
…indows blurry (GH-119175)

------
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
(cherry picked from commit 538ed5e)

Co-authored-by: Wulian233 <71213467+Wulian233@users.noreply.github.com>
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@Wulian233 @miss-islington
Wulian233 authored and miss-islington committed May 21, 2024
commit 4ac652a58dbb82b786614b89d31e881d7fab093c
3 changes: 2 additions & 1 deletion Lib/idlelib/config.py
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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()
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10 changes: 2 additions & 8 deletions Lib/idlelib/pyshell.py
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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

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15 changes: 15 additions & 0 deletions Lib/idlelib/util.py
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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)
6 changes: 4 additions & 2 deletions Lib/turtledemo/__main__.py
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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
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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Library/2024-05-19-18-49-04.gh-issue-119174.5GTv7d.rst
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@@ -0,0 +1,3 @@
Fix high DPI causes turtledemo(turtle-graphics examples) windows blurry
Patch by Wulian233 and Terry Jan Reedy

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