From: plugwash <plugwash@p10link.net>
Date: Sun, 15 Feb 2009 03:25:51 +0000 (+0000)
Subject: add wmessages.pas (conviniance unit to make it easier to write code that works with... 
X-Git-Url: http://www.lcore.org/git/lcore.git/commitdiff_plain/0cf8242b7bb005541896b8ab6363b147ff22f454?ds=sidebyside;hp=4e23b915756617cac9c6c413c14106d066085d74

add wmessages.pas (conviniance unit to make it easier to write code that works with both windows
messages and lmessages)


git-svn-id: file:///svnroot/lcore/trunk@40 b1de8a11-f9be-4011-bde0-cc7ace90066a
---

diff --git a/wmessages.pas b/wmessages.pas
new file mode 100644
index 0000000..fed9259
--- /dev/null
+++ b/wmessages.pas
@@ -0,0 +1,35 @@
+unit wmessages;
+//this unit contains varions functions and types to make it easier to write
+//code that works with both real windows messages and lmessages
+
+interface
+uses windows,messages,pgtypes;
+type
+  thinstance=thandle;
+  thevent=thandle;
+
+//according to MS you are supposed to use get/setwindowlongptr to get/set
+//pointers in extra window memory so your program can be built for win64, this
+//is also the only interface to window memory that lmessages offers but delphi
+//doesn't define it so alias it to getwindowlong here for win32.
+{$ifndef win64} //future proofing ;)
+  function getwindowlongptr(ahwnd:hwnd;nindex:integer) : taddrint;
+  procedure setwindowlongptr(ahwnd:hwnd;nindex:integer;dwNewLong : taddrint);
+{$endif}
+function WaitForSingleEvent(hHandle: THandle; dwMilliseconds: DWORD): DWORD; stdcall;
+implementation
+{$ifndef win64}
+  function getwindowlongptr(ahwnd:hwnd;nindex:integer) : taddrint;
+  begin
+    result := getwindowlong(ahwnd,nindex);
+  end;
+  procedure setwindowlongptr(ahwnd:hwnd;nindex:integer;dwNewLong : taddrint);
+  begin
+    setwindowlong(ahwnd,nindex,dwnewlong);
+  end;
+{$endif}
+function WaitForSingleEvent(hHandle: THandle; dwMilliseconds: DWORD): DWORD; stdcall;
+begin
+  result := waitforsingleobject(hhandle,dwmilliseconds);
+end;
+end.
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