Avoid including windows.h in the public headers needlessly

Although the 'meMouseMoved' and 'meDoubleClick' mouse event flags match NT values, whether they are set or not depends exclusively on the TEventQueue::getMouseEvent function, so there is actually no direct relation between these flags and the NT values.

examples/tvdemo/gadgets.cpp

@@ -32,6 +32,7 @@
 #include "gadgets.h"
 
 #if !defined( __BORLANDC__ ) && defined( _WIN32 )
+#include <tvision/compat/windows/windows.h>
 #include <psapi.h>
 #endif
 

examples/tvforms/datacoll.cpp

@@ -27,6 +27,10 @@ __link( RStringCollection )
 #include <string.h>
 #endif  // __STRING_H
 
+#if !defined( __STDLIB_H )
+#include <stdlib.h>
+#endif  // __STDLIB_H
+
 const char * const TDataCollection::name = "TDataCollection";
 
 void TDataCollection::write( opstream& os )

include/pch.h

@@ -1,6 +1,7 @@
 #define Uses_TApplication
 #define Uses_TDialog
 #include <tvision/tv.h>
+#include <tvision/compat/windows/windows.h>
 #include <unordered_map>
 #include <memory>
 #include <string>

include/tvision/internal/findfrst.h

@@ -11,6 +11,8 @@
 #include <unistd.h>
 #include <dirent.h>
 #include <sys/stat.h>
+#else
+#include <tvision/compat/windows/windows.h>
 #endif
 
 namespace tvision

include/tvision/system.h

@@ -57,18 +57,9 @@ const int mwRight   = 0x08;
 
 /* Mouse event flags */
 
-#if !defined( __FLAT__ )
 const int meMouseMoved = 0x01;
 const int meDoubleClick = 0x02;
-#else
-#if !defined( __WINDOWS_H )
-#include <tvision/compat/windows/windows.h>
-#endif
-const int meMouseMoved = MOUSE_MOVED;       // NT values from WINDOWS.H
-const int meDoubleClick = DOUBLE_CLICK;
-#endif
-// 0x04 and 0x08 are reserved by NT (MOUSE_WHEELED, MOUSE_HWHEELED).
-const int meTripleClick = 0x10;
+const int meTripleClick = 0x04;
 
 #endif  // __EVENT_CODES
 

source/platform/ansidisp.cpp

@@ -1,5 +1,4 @@
 #include <internal/ansidisp.h>
-#include <internal/stdioctl.h>
 #include <internal/strings.h>
 #include <stdlib.h>
 

source/tvision/tdircoll.cpp

@@ -30,6 +30,10 @@
 #include <dos.h>
 #endif  // __DOS_H
 
+#if defined( _WIN32 ) && defined( __FLAT__ )
+#include <tvision/compat/windows/windows.h>
+#endif
+
 #pragma warn -asc
 
 Boolean driveValid( char drive ) noexcept