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-rw-r--r--winsup/cygwin/miscfuncs.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/winsup/cygwin/miscfuncs.h b/winsup/cygwin/miscfuncs.h
index eb898e645..3960b5429 100644
--- a/winsup/cygwin/miscfuncs.h
+++ b/winsup/cygwin/miscfuncs.h
@@ -20,8 +20,14 @@ details. */
static inline bool
is_alt_numpad_key (PINPUT_RECORD pirec)
{
+ /* Remove lock key state from ControlKeyState. Do not remove enhanced key
+ state since it helps to distinguish between cursor (EK) and numpad keys
+ (non-EK). */
+ DWORD ctrl_state = pirec->Event.KeyEvent.dwControlKeyState
+ & ~(CAPSLOCK_ON | NUMLOCK_ON | SCROLLLOCK_ON);
+
return pirec->Event.KeyEvent.uChar.UnicodeChar == 0
- && pirec->Event.KeyEvent.dwControlKeyState == LEFT_ALT_PRESSED
+ && ctrl_state == LEFT_ALT_PRESSED
&& pirec->Event.KeyEvent.wVirtualScanCode >= DIK_NUMPAD7
&& pirec->Event.KeyEvent.wVirtualScanCode <= DIK_NUMPAD0
&& pirec->Event.KeyEvent.wVirtualScanCode != DIK_SUBTRACT;