diff options
Diffstat (limited to 'src/Environment.hs')
| -rw-r--r-- | src/Environment.hs | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/src/Environment.hs b/src/Environment.hs index eef1948..9582009 100644 --- a/src/Environment.hs +++ b/src/Environment.hs @@ -22,8 +22,9 @@ import Data.List.Split (splitOn) import Data.Maybe (fromJust, isJust) import System.IO.Error (catchIOError, isDoesNotExistError) -import qualified Graphics.Win32.Window as WinAPI -import qualified System.Win32.Types as WinAPI +import qualified Graphics.Win32.GDI.Types as WinAPI +import qualified Graphics.Win32.Message as WinAPI +import qualified System.Win32.Types as WinAPI import qualified Registry import qualified Utils (promptToContinue) @@ -52,18 +53,20 @@ openRegistryKey env = Registry.openSubKey (openRootKey env) (subKeyPath env) registryKeyPath :: RegistryLocation -> Registry.KeyPath registryKeyPath env = Registry.keyPathJoin [Registry.rootKeyPath $ rootKey env, subKeyPath env] +foreign import ccall "SendNotifyMessageW" + c_SendNotifyMessage :: WinAPI.HWND -> WinAPI.WindowMessage -> WinAPI.WPARAM -> WinAPI.LPARAM -> IO WinAPI.LRESULT + notifyEnvUpdate :: IO () notifyEnvUpdate = WinAPI.withTString "Environment" $ \lparamPtr -> do let wparam = 0 let lparam = fromIntegral $ WinAPI.castPtrToUINTPtr lparamPtr - _ <- WinAPI.sendMessage allWindows messageCode wparam lparam + _ <- c_SendNotifyMessage allWindows messageCode wparam lparam return () where - wM_SETTINGCHANGE = 0x1A - messageCode = wM_SETTINGCHANGE - - allWindows = WinAPI.castUINTPtrToPtr 0xffff + messageCode = WinAPI.wM_WININICHANGE + hWND_BROADCAST = WinAPI.castUINTPtrToPtr 0xffff + allWindows = hWND_BROADCAST query :: RegistryLocation -> Registry.ValueName -> IO (Maybe Registry.ValueData) query env name = do |