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LCLIntf: add helper functions to extract Lo and Hi words of LPARAM type.

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This commit is contained in:
Bart 2023-08-27 10:26:16 +02:00
parent 935e7edaff
commit c70e6b3297
2 changed files with 22 additions and 0 deletions
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18
lcl/include/winapi.inc
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@ -1515,6 +1515,24 @@ function MakeWParam(l, h: Word): WPARAM; inline;
begin begin
Result := MakeLong(l, h); Result := MakeLong(l, h);
end; end;
{
Does the reverse of the MakeLParam function
}
procedure LParamExtractLoHiWord(const aParam: LPARAM; out LoWord, HiWord: Word);
begin
LoWord := aParam and $FFFF;
HiWord := (aParam and $FFFF0000) shr 16;
end;
function LParamHiWord(const aParam: LPARAM): Word;
begin
Result := (aParam and $FFFF0000) shr 16;
end;
function LParamLoWord(const aParam: LPARAM): Word;
begin
Result := aParam and $FFFF;
end;
{------------------------------------------------------------------------------ {------------------------------------------------------------------------------
Function: OffsetRect Function: OffsetRect

4
lcl/include/winapih.inc
View File

@ -336,6 +336,10 @@ function MakeWParam(l, h: Word): WPARAM; inline;
function MakeLParam(l, h: Word): LPARAM; inline; function MakeLParam(l, h: Word): LPARAM; inline;
function MakeLResult(l, h: Word): LRESULT; inline; function MakeLResult(l, h: Word): LRESULT; inline;
procedure LParamExtractLoHiWord(const aParam: LPARAM; out LoWord, HiWord: Word);
function LParamHiWord(const aParam: LPARAM): Word; inline;
function LParamLoWord(const aParam: LPARAM): Word; inline;
// Deprecated in version 2.3, 2023-06. // Deprecated in version 2.3, 2023-06.
function OffsetRect(var Rect: TRect; dx,dy: Integer): Boolean; deprecated 'Use Types.OffsetRect instead'; function OffsetRect(var Rect: TRect; dx,dy: Integer): Boolean; deprecated 'Use Types.OffsetRect instead';