Added WinDef.nsh and Win subdir - New headers with common windows stuff

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@5885 212acab6-be3b-0410-9dea-997c60f758d6

Include/Win/WinDef.nsh

@@ -0,0 +1,74 @@
+!ifndef __WIN_WINDEF__INC
+!define __WIN_WINDEF__INC
+!verbose push
+!verbose 3
+!ifndef __WIN_NOINC_WINDEF
+
+
+!ifndef MAX_PATH
+!define MAX_PATH 260
+!endif
+#define NULL 0
+
+
+!macro _Win_MINMAX _intcmp _j1 _j2 _outvar _a _b
+${_intcmp} "${_a}" "${_b}" ${_j1} ${_j1} ${_j2}
+StrCpy ${_outvar} "${_a}"
+goto +2
+StrCpy ${_outvar} "${_b}"
+!macroend
+!ifndef __WIN_MS_NOMINMAX & min & max & min_u & max_u
+!define min "!insertmacro _Win_MINMAX IntCmp +1 +3 "
+!define max "!insertmacro _Win_MINMAX IntCmp +3 +1 "
+!define min_u "!insertmacro _Win_MINMAX IntCmpU +1 +3 "
+!define max_u "!insertmacro _Win_MINMAX IntCmpU +3 +1 "
+!endif
+
+!macro _Win_LOBYTE _outvar _in
+IntOp ${_outvar} "${_in}" & 0xFF
+!macroend
+!define LOBYTE "!insertmacro _Win_LOBYTE "
+
+!macro _Win_HIBYTE _outvar _in
+IntOp ${_outvar} "${_in}" >> 8
+${LOBYTE} ${_outvar} ${_outvar}
+!macroend
+!define HIBYTE "!insertmacro _Win_HIBYTE "
+
+!macro _Win_LOWORD _outvar _in
+IntOp ${_outvar} "${_in}" & 0xFFFF
+!macroend
+!define LOWORD "!insertmacro _Win_LOWORD "
+
+!macro _Win_HIWORD _outvar _in
+IntOp ${outvar} "${_in}" >> 16 ;sign extended :(
+${LOWORD} ${_outvar} ${outvar} ;make sure we strip off the upper word
+!macroend
+!define HIWORD "!insertmacro _Win_HIWORD "
+
+!macro _Win_MAKEWORD _outvar _tmpvar _lo _hi
+${LOBYTE} ${_outvar} "${_hi}"
+${LOBYTE} ${_tmpvar} "${_lo}"
+IntOp ${_outvar} ${_outvar} << 8
+IntOp ${_outvar} ${_outvar} | ${_tmpvar}
+!macroend
+!define MAKEWORD "!insertmacro _Win_MAKEWORD "
+
+!macro _Win_MAKELONG32 _outvar _tmpvar _wlo _whi
+${LOWORD} ${_outvar} "${_wlo}"
+IntOp ${_tmpvar} "${_whi}" << 16
+IntOp ${_outvar} ${_outvar} | ${_tmpvar}
+!macroend
+!define MAKELONG "!insertmacro _Win_MAKELONG32 "
+!if "${__WIN_PTRSIZE}" <= 4
+!define MAKEWPARAM "${MAKELONG}"
+!define MAKELPARAM "${MAKELONG}"
+!define MAKELRESULT "${MAKELONG}"
+!else
+!error "Missing 64bit imp!"
+!endif
+
+
+!endif /* __WIN_NOINC_WINDEF */
+!verbose pop
+!endif /* __WIN_WINDEF__INC */