Move platform-dependent implementations of fl_open/close_display() to the Fl_Screen_Driver class

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11619 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 4 insertions, 0 deletions

diff --git a/FL/Fl_Screen_Driver.H b/FL/Fl_Screen_Driver.H
index 1d19c16ca..a96857bd1 100644
--- a/FL/Fl_Screen_Driver.H
+++ b/FL/Fl_Screen_Driver.H
@@ -138,6 +138,10 @@ public:
   // optional methods to enable/disable input methods for complex scripts
   virtual void enable_im() {}
   virtual void disable_im() {}
+  // implement to open access to the display
+  virtual void open_display() {}
+  // optional method to close display access
+  virtual void close_display() {}
 };