[Automatic] Update albertosottile/darkdetect vendored module

napari/_vendor/darkdetect/__init__.py

@@ -4,7 +4,7 @@
 #  Distributed under the terms of the 3-clause BSD License.
 #-----------------------------------------------------------------------------
 
-__version__ = '0.5.2'
+__version__ = '0.6.0'
 
 import sys
 import platform

napari/_vendor/darkdetect/_dummy.py

@@ -4,6 +4,8 @@
 #  Distributed under the terms of the 3-clause BSD License.
 #-----------------------------------------------------------------------------
 
+import typing
+
 def theme():
     return None
 
@@ -12,3 +14,6 @@ def isDark():
 
 def isLight():
     return None
+
+def listener(callback: typing.Callable[[str], None]) -> None:
+    raise NotImplementedError()

napari/_vendor/darkdetect/_linux_detect.py

@@ -5,7 +5,7 @@
 #-----------------------------------------------------------------------------
 
 import subprocess
-
+import typing
 
 def theme():
     # Here we just triage to GTK settings for now
@@ -28,3 +28,12 @@ def isDark():
 
 def isLight():
     return theme() == 'Light'
+
+def listener(callback: typing.Callable[[str], None]) -> None:
+    with subprocess.Popen(
+        ('gsettings', 'monitor', 'org.gnome.desktop.interface', 'gtk-theme'),
+        stdout=subprocess.PIPE,
+        universal_newlines=True,
+    ) as p:
+        for line in p.stdout:
+            callback('Dark' if line.strip().removeprefix("gtk-theme: '").removesuffix("'").endswith('-dark') else 'Light')

napari/_vendor/darkdetect/_mac_detect.py

@@ -6,6 +6,7 @@
 
 import ctypes
 import ctypes.util
+import typing
 
 try:
     # macOS Big Sur+ use "a built-in dynamic linker cache of all system-provided libraries"
@@ -68,3 +69,6 @@ def isDark():
 
 def isLight():
     return theme() == 'Light'
+
+def listener(callback: typing.Callable[[str], None]) -> None:
+    raise NotImplementedError()

napari/_vendor/darkdetect/_windows_detect.py

@@ -1,5 +1,61 @@
 from winreg import HKEY_CURRENT_USER as hkey, QueryValueEx as getSubkeyValue, OpenKey as getKey
 
+import ctypes
+import ctypes.wintypes
+import typing
+
+advapi32 = ctypes.windll.advapi32
+
+# LSTATUS RegOpenKeyExA(
+#     HKEY hKey,
+#     LPCSTR lpSubKey,
+#     DWORD ulOptions,
+#     REGSAM samDesired,
+#     PHKEY phkResult
+# );
+advapi32.RegOpenKeyExA.argtypes = (
+    ctypes.wintypes.HKEY,
+    ctypes.wintypes.LPCSTR,
+    ctypes.wintypes.DWORD,
+    ctypes.wintypes.DWORD,
+    ctypes.POINTER(ctypes.wintypes.HKEY),
+)
+advapi32.RegOpenKeyExA.restype = ctypes.wintypes.LONG
+
+# LSTATUS RegQueryValueExA(
+#     HKEY hKey,
+#     LPCSTR lpValueName,
+#     LPDWORD lpReserved,
+#     LPDWORD lpType,
+#     LPBYTE lpData,
+#     LPDWORD lpcbData
+# );
+advapi32.RegQueryValueExA.argtypes = (
+    ctypes.wintypes.HKEY,
+    ctypes.wintypes.LPCSTR,
+    ctypes.wintypes.LPDWORD,
+    ctypes.wintypes.LPDWORD,
+    ctypes.wintypes.LPBYTE,
+    ctypes.wintypes.LPDWORD,
+)
+advapi32.RegQueryValueExA.restype = ctypes.wintypes.LONG
+
+# LSTATUS RegNotifyChangeKeyValue(
+#     HKEY hKey,
+#     WINBOOL bWatchSubtree,
+#     DWORD dwNotifyFilter,
+#     HANDLE hEvent,
+#     WINBOOL fAsynchronous
+# );
+advapi32.RegNotifyChangeKeyValue.argtypes = (
+    ctypes.wintypes.HKEY,
+    ctypes.wintypes.BOOL,
+    ctypes.wintypes.DWORD,
+    ctypes.wintypes.HANDLE,
+    ctypes.wintypes.BOOL,
+)
+advapi32.RegNotifyChangeKeyValue.restype = ctypes.wintypes.LONG
+
 def theme():
     """ Uses the Windows Registry to detect if the user is using Dark Mode """
     # Registry will return 0 if Windows is in Dark Mode and 1 if Windows is in Light Mode. This dictionary converts that output into the text that the program is expecting.
@@ -21,4 +77,46 @@ def isDark():
 
 def isLight():
     if theme() is not None:
-        return theme() == 'Light'
+        return theme() == 'Light'
+
+def listener(callback: typing.Callable[[str], None]) -> None:
+    hKey = ctypes.wintypes.HKEY()
+    advapi32.RegOpenKeyExA(
+        ctypes.wintypes.HKEY(0x80000001), # HKEY_CURRENT_USER
+        ctypes.wintypes.LPCSTR(b'SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize'),
+        ctypes.wintypes.DWORD(),
+        ctypes.wintypes.DWORD(0x00020019), # KEY_READ
+        ctypes.byref(hKey),
+    )
+
+    dwSize = ctypes.wintypes.DWORD(ctypes.sizeof(ctypes.wintypes.DWORD))
+    queryValueLast = ctypes.wintypes.DWORD()
+    queryValue = ctypes.wintypes.DWORD()
+    advapi32.RegQueryValueExA(
+        hKey,
+        ctypes.wintypes.LPCSTR(b'AppsUseLightTheme'),
+        ctypes.wintypes.LPDWORD(),
+        ctypes.wintypes.LPDWORD(),
+        ctypes.cast(ctypes.byref(queryValueLast), ctypes.wintypes.LPBYTE),
+        ctypes.byref(dwSize),
+    )
+
+    while True:
+        advapi32.RegNotifyChangeKeyValue(
+            hKey,
+            ctypes.wintypes.BOOL(True),
+            ctypes.wintypes.DWORD(0x00000004), # REG_NOTIFY_CHANGE_LAST_SET
+            ctypes.wintypes.HANDLE(None),
+            ctypes.wintypes.BOOL(False),
+        )
+        advapi32.RegQueryValueExA(
+            hKey,
+            ctypes.wintypes.LPCSTR(b'AppsUseLightTheme'),
+            ctypes.wintypes.LPDWORD(),
+            ctypes.wintypes.LPDWORD(),
+            ctypes.cast(ctypes.byref(queryValue), ctypes.wintypes.LPBYTE),
+            ctypes.byref(dwSize),
+        )
+        if queryValueLast.value != queryValue.value:
+            queryValueLast.value = queryValue.value
+            callback('Light' if queryValue.value else 'Dark')