Add System Driver and Window Driver.

Adding two new driver types for each platform. Fl_..._System_Drivers exist once per application and provide an interface for to file and filename handling, timers, locking, multithreading, etc. .

 The Fl_..._Window_Driver class is instantiated once for every window in the system and corresponds closely to (and actually inherits from) Fl_X. The difference now is, that there is one Fl_X/Fl_Window_Driver base class, and one platform version that derives from it.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11193 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 2 insertions, 1 deletions

diff --git a/FL/x.H b/FL/x.H
index 4e53adaa3..46d276952 100644
--- a/FL/x.H
+++ b/FL/x.H
@@ -25,6 +25,7 @@
 #  define Fl_X_H
 
 #  include "Enumerations.H"
+#  include <FL/Fl_Device.H>
 
 #  ifdef WIN32
 #    include "win32.H"
@@ -132,7 +133,7 @@ extern FL_EXPORT XFontStruct* fl_X_core_font();
 // this object contains all X-specific stuff about a window:
 // Warning: this object is highly subject to change!  
 // FL_LIBRARY or FL_INTERNALS must be defined to access this class.
-class FL_EXPORT Fl_X {
+class FL_EXPORT Fl_X : public Fl_Device {
 public:
   Window xid;
   Window other_xid;