From eca4da57e08120eae5a8b18a368860bc0b818e85 Mon Sep 17 00:00:00 2001
From: Jonathan Harris <jonathan@marginal.org.uk>
Date: Tue, 5 Jan 2016 01:06:37 +0000
Subject: [PATCH] Pass hotkey on if not used on Windows.

Fixes "Only when Elite: Dangerous is the active app" setting.
---
 hotkey.py | 51 +++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 43 insertions(+), 8 deletions(-)

diff --git a/hotkey.py b/hotkey.py
index 9d71a184..225e3233 100644
--- a/hotkey.py
+++ b/hotkey.py
@@ -234,11 +234,44 @@ elif platform == 'win32':
     VK_PROCESSKEY= 0xe5
     VK_OEM_CLEAR = 0xfe
 
+
     GetForegroundWindow = ctypes.windll.user32.GetForegroundWindow
     GetWindowText       = ctypes.windll.user32.GetWindowTextW
     GetWindowText.argtypes = [HWND, LPWSTR, ctypes.c_int]
     GetWindowTextLength = ctypes.windll.user32.GetWindowTextLengthW
 
+    def WindowTitle(h):
+        if h:
+            l = GetWindowTextLength(h) + 1
+            buf = ctypes.create_unicode_buffer(l)
+            if GetWindowText(h, buf, l):
+                return buf.value
+        return ''
+
+
+    class MOUSEINPUT(ctypes.Structure):
+        _fields_ = [('dx', LONG), ('dy', LONG), ('mouseData', DWORD), ('dwFlags', DWORD), ('time', DWORD), ('dwExtraInfo', ctypes.POINTER(ULONG))]
+
+    class KEYBDINPUT(ctypes.Structure):
+        _fields_ = [('wVk', WORD), ('wScan', WORD), ('dwFlags', DWORD), ('time', DWORD), ('dwExtraInfo', ctypes.POINTER(ULONG))]
+
+    class HARDWAREINPUT(ctypes.Structure):
+        _fields_ = [('uMsg', DWORD), ('wParamL', WORD), ('wParamH', WORD)]
+
+    class INPUT_union(ctypes.Union):
+        _fields_ = [('mi', MOUSEINPUT), ('ki', KEYBDINPUT), ('hi', HARDWAREINPUT)]
+
+    class INPUT(ctypes.Structure):
+        _fields_ = [('type', DWORD), ('union', INPUT_union)]
+
+    SendInput = ctypes.windll.user32.SendInput
+    SendInput.argtypes = [ctypes.c_uint, ctypes.POINTER(INPUT), ctypes.c_int]
+
+    INPUT_MOUSE = 0
+    INPUT_KEYBOARD = 1
+    INPUT_HARDWARE = 2
+
+
     class HotkeyMgr:
 
         # https://msdn.microsoft.com/en-us/library/windows/desktop/dd375731%28v=vs.85%29.aspx
@@ -288,18 +321,20 @@ elif platform == 'win32':
                 self.thread = None
                 return
 
+            fake = INPUT(INPUT_KEYBOARD, INPUT_union(ki = KEYBDINPUT(keycode, keycode, 0, 0, None)))
+
             msg = MSG()
             while GetMessage(ctypes.byref(msg), None, 0, 0) != 0:
                 if msg.message == WM_HOTKEY:
-                    if config.getint('hotkey_always'):
+                    if config.getint('hotkey_always') or WindowTitle(GetForegroundWindow()).startswith('Elite - Dangerous'):
                         self.root.event_generate('<<Invoke>>', when="tail")
-                    else:	# Only trigger if game client is front process
-                        h = GetForegroundWindow()
-                        if h:
-                            l = GetWindowTextLength(h) + 1
-                            buf = ctypes.create_unicode_buffer(l)
-                            if GetWindowText(h, buf, l) and buf.value.startswith('Elite - Dangerous'):
-                                self.root.event_generate('<<Invoke>>', when="tail")
+                    else:
+                        # Pass the key on
+                        UnregisterHotKey(None, 1)
+                        SendInput(1, fake, ctypes.sizeof(INPUT))
+                        if not RegisterHotKey(None, 1, modifiers|MOD_NOREPEAT, keycode):
+                            break
+
                 elif msg.message == WM_SND_GOOD:
                     winsound.PlaySound(self.snd_good, winsound.SND_MEMORY)	# synchronous
                 elif msg.message == WM_SND_BAD: