Renamed BAppServerLink to AppServerLink, BPortLink to PortLink, LinkMsgReader

to LinkReceiver, LinkMsgSender to LinkSender, and put everything into the
BPrivate namespace.
Made AppServerLink a cheap object - it will use the applications receiver/sender
and not create its own buffers.
Fixed broken communication stuff here and there (mostly Font.cpp).
Put the newly introduced set|get_system_colors() into the BPrivate namespace -
please don't introduce private functions into the public namespace!!!
Also fixed their broken communication use, as Darkwyrm obviously forgot about
it again: the sequence Flush(); GetNextMessage() without error checking is
purely wrong and can make the app hang and/or crash! :-)
Other minor cleanup.
The input_server used some test mode with the haiku build target which is
probably wrong.
Hopefully I did not forget anything this time.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13128 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/servers/app/LayerData.h

@@ -40,8 +40,10 @@
 #include "PatternHandler.h"
 
 class BRegion;
-class LinkMsgReader;
-class LinkMsgSender;
+namespace BPrivate {
+	class LinkReceiver;
+	class LinkSender;
+};
 
 class DrawData {
  public:
@@ -174,12 +176,12 @@ class LayerData : public DrawData {
 								// convenience functions
 	virtual	void				PrintToStream() const;
 
-			void				ReadFontFromLink(LinkMsgReader& link);
+			void				ReadFontFromLink(BPrivate::LinkReceiver& link);
 								// NOTE: ReadFromLink() does not read Font state!!
 								// It was separate in ServerWindow, and I didn't
 								// want to change it without knowing implications.
-			void				ReadFromLink(LinkMsgReader& link);
-			void				WriteToLink(LinkMsgSender& link) const;
+			void				ReadFromLink(BPrivate::LinkReceiver& link);
+			void				WriteToLink(BPrivate::LinkSender& link) const;
 
  public:
 			// used for the state stack