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-rw-r--r--winsup/cygwin/miscfuncs.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/winsup/cygwin/miscfuncs.h b/winsup/cygwin/miscfuncs.h
index cc2293500..eb898e645 100644
--- a/winsup/cygwin/miscfuncs.h
+++ b/winsup/cygwin/miscfuncs.h
@@ -9,9 +9,34 @@ details. */
#ifndef _MISCFUNCS_H
#define _MISCFUNCS_H
+#include <dinput.h>
+
#define likely(X) __builtin_expect (!!(X), 1)
#define unlikely(X) __builtin_expect (!!(X), 0)
+/* Check for Alt+Numpad keys in a console input record. These are used to
+ enter codepoints not available in the current keyboard layout For details
+ see http://www.fileformat.info/tip/microsoft/enter_unicode.htm */
+static inline bool
+is_alt_numpad_key (PINPUT_RECORD pirec)
+{
+ return pirec->Event.KeyEvent.uChar.UnicodeChar == 0
+ && pirec->Event.KeyEvent.dwControlKeyState == LEFT_ALT_PRESSED
+ && pirec->Event.KeyEvent.wVirtualScanCode >= DIK_NUMPAD7
+ && pirec->Event.KeyEvent.wVirtualScanCode <= DIK_NUMPAD0
+ && pirec->Event.KeyEvent.wVirtualScanCode != DIK_SUBTRACT;
+}
+
+/* Event for left Alt, with a non-zero character, comes from Alt+Numpad
+ key sequence. e.g. <left-alt> 233 => &eacute; This is typically handled
+ as the key up event after releasing the Alt key. */
+static inline bool
+is_alt_numpad_event (PINPUT_RECORD pirec)
+{
+ return pirec->Event.KeyEvent.uChar.UnicodeChar != 0
+ && pirec->Event.KeyEvent.wVirtualKeyCode == VK_MENU
+ && pirec->Event.KeyEvent.wVirtualScanCode == 0x38;
+}
int __reg1 winprio_to_nice (DWORD);
DWORD __reg1 nice_to_winprio (int &);