From a6ce9edc1d0be4e2d9cedb1efe2837631832cb1f Mon Sep 17 00:00:00 2001
From: Jonathan Harris <jonathan@marginal.org.uk>
Date: Wed, 19 Jun 2019 12:09:26 +0100
Subject: [PATCH] Fix running under Wine

---
 prefs.py    | 17 ++++++++++-------
 protocol.py | 14 ++++++++++----
 stats.py    | 18 ++++++++++--------
 3 files changed, 30 insertions(+), 19 deletions(-)

diff --git a/prefs.py b/prefs.py
index 0512dabb..5096d194 100644
--- a/prefs.py
+++ b/prefs.py
@@ -52,12 +52,15 @@ elif platform=='win32':
     class BROWSEINFO(ctypes.Structure):
         _fields_ = [("hwndOwner", HWND), ("pidlRoot", LPVOID), ("pszDisplayName", LPWSTR), ("lpszTitle", LPCWSTR), ("ulFlags", UINT), ("lpfn", BrowseCallbackProc), ("lParam", LPCWSTR), ("iImage", ctypes.c_int)]
 
-    GetParent = ctypes.windll.user32.GetParent
-    GetParent.argtypes = [HWND]
-    GetWindowRect = ctypes.windll.user32.GetWindowRect
-    GetWindowRect.argtypes = [HWND, ctypes.POINTER(RECT)]
-    CalculatePopupWindowPosition = ctypes.windll.user32.CalculatePopupWindowPosition
-    CalculatePopupWindowPosition.argtypes = [ctypes.POINTER(POINT), ctypes.POINTER(SIZE), UINT, ctypes.POINTER(RECT), ctypes.POINTER(RECT)]
+    try:
+        CalculatePopupWindowPosition = ctypes.windll.user32.CalculatePopupWindowPosition
+        CalculatePopupWindowPosition.argtypes = [ctypes.POINTER(POINT), ctypes.POINTER(SIZE), UINT, ctypes.POINTER(RECT), ctypes.POINTER(RECT)]
+        GetParent = ctypes.windll.user32.GetParent
+        GetParent.argtypes = [HWND]
+        GetWindowRect = ctypes.windll.user32.GetWindowRect
+        GetWindowRect.argtypes = [HWND, ctypes.POINTER(RECT)]
+    except:	# Not supported under Wine 4.0
+        CalculatePopupWindowPosition = None
 
 class PreferencesDialog(tk.Toplevel):
 
@@ -305,7 +308,7 @@ class PreferencesDialog(tk.Toplevel):
         self.grab_set()
 
         # Ensure fully on-screen
-        if platform == 'win32':
+        if platform == 'win32' and CalculatePopupWindowPosition:
             position = RECT()
             GetWindowRect(GetParent(self.winfo_id()), position)
             if CalculatePopupWindowPosition(POINT(parent.winfo_rootx(), parent.winfo_rooty()),
diff --git a/protocol.py b/protocol.py
index 21d88819..2c28e2cc 100644
--- a/protocol.py
+++ b/protocol.py
@@ -8,6 +8,15 @@ import sys
 from config import appname
 
 
+if sys.platform == 'win32':
+    from ctypes import *
+    from ctypes.wintypes import *
+    try:
+        is_wine = windll.ntdll.wine_get_version
+    except:
+        is_wine = False
+
+
 class GenericProtocolHandler:
 
     def __init__(self):
@@ -62,10 +71,7 @@ if sys.platform == 'darwin' and getattr(sys, 'frozen', False):
             protocolhandler.master.after(ProtocolHandler.POLL, protocolhandler.poll)
 
 
-elif sys.platform == 'win32' and getattr(sys, 'frozen', False):
-
-    from ctypes import *
-    from ctypes.wintypes import *
+elif sys.platform == 'win32' and getattr(sys, 'frozen', False) and not is_wine:
 
     class WNDCLASS(Structure):
         _fields_ = [('style', UINT),
diff --git a/stats.py b/stats.py
index 6b405785..a5bd1ac9 100644
--- a/stats.py
+++ b/stats.py
@@ -19,13 +19,15 @@ import prefs
 if platform=='win32':
     import ctypes
     from ctypes.wintypes import *
-    GetParent = ctypes.windll.user32.GetParent
-    GetParent.argtypes = [HWND]
-    GetWindowRect = ctypes.windll.user32.GetWindowRect
-    GetWindowRect.argtypes = [HWND, ctypes.POINTER(RECT)]
-    CalculatePopupWindowPosition = ctypes.windll.user32.CalculatePopupWindowPosition
-    CalculatePopupWindowPosition.argtypes = [ctypes.POINTER(POINT), ctypes.POINTER(SIZE), UINT, ctypes.POINTER(RECT), ctypes.POINTER(RECT)]
-
+    try:
+        CalculatePopupWindowPosition = ctypes.windll.user32.CalculatePopupWindowPosition
+        CalculatePopupWindowPosition.argtypes = [ctypes.POINTER(POINT), ctypes.POINTER(SIZE), UINT, ctypes.POINTER(RECT), ctypes.POINTER(RECT)]
+        GetParent = ctypes.windll.user32.GetParent
+        GetParent.argtypes = [HWND]
+        GetWindowRect = ctypes.windll.user32.GetWindowRect
+        GetWindowRect.argtypes = [HWND, ctypes.POINTER(RECT)]
+    except:	# Not supported under Wine 4.0
+        CalculatePopupWindowPosition = None
 
 def status(data):
 
@@ -270,7 +272,7 @@ class StatsResults(tk.Toplevel):
         self.grab_set()
 
         # Ensure fully on-screen
-        if platform == 'win32':
+        if platform == 'win32' and CalculatePopupWindowPosition:
             position = RECT()
             GetWindowRect(GetParent(self.winfo_id()), position)
             if CalculatePopupWindowPosition(POINT(parent.winfo_rootx(), parent.winfo_rooty()),