From 90d4b116d7e767befb55df5eb529629082953062 Mon Sep 17 00:00:00 2001
From: nickysn <nickysn@gmail.com>
Date: Wed, 16 Sep 2015 14:47:14 +0000
Subject: [PATCH] + added the win16api window message functions

git-svn-id: trunk@31714 -
---
 rtl/win16/win31.pp      | 18 +++++++++++++
 rtl/win16/winprocsh.inc | 40 +++++++++++++++++++++++++++++
 rtl/win16/wintypes.inc  | 56 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 114 insertions(+)

diff --git a/rtl/win16/win31.pp b/rtl/win16/win31.pp
index 76f13b4a4e..07d861cf73 100644
--- a/rtl/win16/win31.pp
+++ b/rtl/win16/win31.pp
@@ -480,6 +480,20 @@ const
   SPIF_UPDATEINIFILE    = $0001;
   SPIF_SENDWININICHANGE = $0002;
 
+{ Window message support }
+
+{ GetQueueStatus flags }
+  QS_KEY         = $0001;
+  QS_MOUSEMOVE   = $0002;
+  QS_MOUSEBUTTON = $0004;
+  QS_MOUSE       = QS_MOUSEMOVE or QS_MOUSEBUTTON;
+  QS_POSTMESSAGE = $0008;
+  QS_TIMER       = $0010;
+  QS_PAINT       = $0020;
+  QS_SENDMESSAGE = $0040;
+
+  QS_ALLINPUT    = $007f;
+
 function GetFreeSystemResources(SysResource: UINT): UINT; external 'USER';
 
 procedure LogError(err: UINT; lpInfo: FarPointer); external 'KERNEL';
@@ -618,6 +632,10 @@ function SubtractRect(lprcDest: LPRECT; lprcSource1, lprcSource2: LPRECT): BOOL;
 function SubtractRect(var rcDest: RECT; var rcSource1, rcSource2: RECT): BOOL; external 'USER';
 {$endif}
 
+{ Window message support }
+function GetMessageExtraInfo: LPARAM; external 'USER';
+function GetQueueStatus(flags: UINT): DWORD; external 'USER';
+
 implementation
 
 end.
diff --git a/rtl/win16/winprocsh.inc b/rtl/win16/winprocsh.inc
index 194e60f448..1f8ef4ee4e 100644
--- a/rtl/win16/winprocsh.inc
+++ b/rtl/win16/winprocsh.inc
@@ -745,3 +745,43 @@ procedure InflateRect(var rc: RECT; xAmt, yAmt: SmallInt); external 'USER';
 
 function PtInRect(var rc: RECT; pt: POINT): BOOL; external 'USER';
 {$endif}
+
+{ Window message support }
+
+function RegisterWindowMessage(lpsz: LPCSTR): UINT; external 'USER';
+
+function GetMessage(lpmsg: LPMSG; hwnd: HWND; uMsgFilterMin, uMsgFilterMax: UINT): BOOL; external 'USER';
+function PeekMessage(lpmsg: LPMSG; hwnd: HWND; uFilterFirst, uFilterLast, fuRemove: UINT): BOOL; external 'USER';
+{$ifdef VAR_PARAMS_ARE_FAR}
+function GetMessage(var msg: MSG; hwnd: HWND; uMsgFilterMin, uMsgFilterMax: UINT): BOOL; external 'USER';
+function PeekMessage(var msg: MSG; hwnd: HWND; uFilterFirst, uFilterLast, fuRemove: UINT): BOOL; external 'USER';
+{$endif}
+
+procedure WaitMessage; external 'USER';
+
+function GetMessagePos: DWORD; external 'USER';
+function GetMessageTime: LONG; external 'USER';
+
+function TranslateMessage(lpmsg: LPMSG): BOOL; external 'USER';
+function DispatchMessage(lpmsg: LPMSG): LONG; external 'USER';
+{$ifdef VAR_PARAMS_ARE_FAR}
+function TranslateMessage(var msg: MSG): BOOL; external 'USER';
+function DispatchMessage(var msg: MSG): LONG; external 'USER';
+{$endif}
+
+function SetMessageQueue(cMsg: SmallInt): BOOL; external 'USER';
+
+function GetInputState: BOOL; external 'USER';
+
+function PostMessage(hwnd: HWND; uMsg: UINT; wParam: WPARAM; lParam: LPARAM): BOOL; external 'USER';
+function SendMessage(hwnd: HWND; uMsg: UINT; wParam: WPARAM; lParam: LPARAM): LRESULT; external 'USER';
+
+function PostAppMessage(htask: HTASK; uMsg: UINT; wParam: WPARAM; lParam: LPARAM): BOOL; external 'USER';
+
+procedure ReplyMessage(lResult: LRESULT); external 'USER';
+function InSendMessage: BOOL; external 'USER';
+
+function CallMsgFilter(lpmsg: LPMSG; nCode: SmallInt): BOOL; external 'USER';
+{$ifdef VAR_PARAMS_ARE_FAR}
+function CallMsgFilter(var msg: MSG; nCode: SmallInt): BOOL; external 'USER';
+{$endif}
diff --git a/rtl/win16/wintypes.inc b/rtl/win16/wintypes.inc
index eacbe3d987..5e46151045 100644
--- a/rtl/win16/wintypes.inc
+++ b/rtl/win16/wintypes.inc
@@ -1295,3 +1295,59 @@ const
 
   WM_DEVMODECHANGE = $001B;
   WM_TIMECHANGE    = $001E;
+
+{ Window message support }
+  WM_NULL = $0000;
+
+{ NOTE: All messages below $0400 are RESERVED by Windows }
+  WM_USER = $0400;
+
+type
+{ Queued message structure }
+  PMSG = ^MSG;
+  NPMSG = ^MSG; near;
+  LPMSG = ^MSG; far;
+  MSG = record
+    hwnd: HWND;
+    message: UINT;
+    wParam: WPARAM;
+    lParam: LPARAM;
+    time: DWORD;
+    pt: POINT;
+  end;
+  TMsg = MSG;
+
+const
+{ PeekMessage() options }
+  PM_NOREMOVE = $0000;
+  PM_REMOVE   = $0001;
+  PM_NOYIELD  = $0002;
+
+{ Special HWND value for use with PostMessage() and SendMessage() }
+  HWND_BROADCAST = HWND($ffff);
+
+  WH_GETMESSAGE   = 3;
+
+  WH_CALLWNDPROC  = 4;
+
+  WH_MSGFILTER    = (-1);
+  WH_SYSMSGFILTER = 6;
+
+{ CallMsgFilter() and WH_SYS/MSGFILTER context codes }
+  MSGF_DIALOGBOX  = 0;
+  MSGF_MENU       = 2;
+  MSGF_MOVE       = 3;
+  MSGF_SIZE       = 4;
+  MSGF_SCROLLBAR  = 5;
+  MSGF_NEXTWINDOW = 6;
+  MSGF_MAINLOOP   = 8;
+  MSGF_USER       = 4096;
+
+{ Standard window messages }
+{ PenWindows specific messages }
+  WM_PENWINFIRST = $0380;
+  WM_PENWINLAST  = $038F;
+
+{ Coalescing messages }
+  WM_COALESCE_FIRST = $0390;
+  WM_COALESCE_LAST  = $039F;