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fixed some bugs on Windows

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TomSchimansky
2022-11-12 20:59:10 +01:00
parent 2f27611f3e
commit d306a9d010
5 changed files with 69 additions and 33 deletions
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38
customtkinter/windows/widgets/scaling/scaling_tracker.py
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@ -1,4 +1,3 @@
import ctypes.wintypes
import tkinter
import sys
from typing import Callable
@ -14,8 +13,8 @@ class ScalingTracker:
window_scaling = 1
update_loop_running = False
update_loop_interval = 600 # ms
loop_pause_after_new_scaling = 1000 # ms
update_loop_interval = 100 # ms
loop_pause_after_new_scaling = 1500 # ms
@classmethod
def get_widget_scaling(cls, widget) -> float:
@ -119,9 +118,32 @@ class ScalingTracker:
pass # high DPI scaling works automatically on macOS
elif sys.platform.startswith("win"):
from ctypes import windll, wintypes
windll.shcore.SetProcessDpiAwareness(2)
# Microsoft Docs: https://docs.microsoft.com/en-us/windows/win32/api/shellscalingapi/ne-shellscalingapi-process_dpi_awareness
import ctypes
# Values for SetProcessDpiAwareness and SetProcessDpiAwarenessContext:
# internal enum PROCESS_DPI_AWARENESS
# {
# Process_DPI_Unaware = 0,
# Process_System_DPI_Aware = 1,
# Process_Per_Monitor_DPI_Aware = 2
# }
#
# internal enum DPI_AWARENESS_CONTEXT
# {
# DPI_AWARENESS_CONTEXT_UNAWARE = 16,
# DPI_AWARENESS_CONTEXT_SYSTEM_AWARE = 17,
# DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE = 18,
# DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 = 34
# }
# ctypes.windll.user32.SetProcessDpiAwarenessContext(34) # Non client area scaling at runtime (titlebar)
# does not work with resizable(False, False), window starts growing on monitor with different scaling (weird tkinter bug...)
# ctypes.windll.user32.EnableNonClientDpiScaling(hwnd) does not work for some reason (tested on Windows 11)
# It's too bad, that these Windows API methods don't work properly with tkinter. But I tested days with multiple monitor setups,
# and I don't think there is anything left to do. So this is the best option at the moment:
ctypes.windll.shcore.SetProcessDpiAwareness(2) # Titlebar does not scale at runtime
else:
pass # DPI awareness on Linux not implemented
@ -161,10 +183,12 @@ class ScalingTracker:
if sys.platform.startswith("win"):
window.attributes("-alpha", 0.15)
window.block_update_dimensions_event()
cls.update_scaling_callbacks_for_window(window)
window.unblock_update_dimensions_event()
if sys.platform.startswith("win"):
window.after(200, lambda: window.attributes("-alpha", 1))
window.attributes("-alpha", 1)
new_scaling_detected = True