Begin to remove platform-dependent code from the Fl.H header file.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11482 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 7 insertions, 0 deletions

diff --git a/FL/Fl_System_Driver.H b/FL/Fl_System_Driver.H
index 5599b2a83..902e8bc70 100644
--- a/FL/Fl_System_Driver.H
+++ b/FL/Fl_System_Driver.H
@@ -120,6 +120,13 @@ public:
   virtual unsigned utf8from_mb(char* dst, unsigned dstlen, const char* src, unsigned srclen);
   // implement to shield fprintf() from locale changes in decimal point
   virtual int clocale_printf(FILE *output, const char *format, va_list args);
+  /* Implement to indicate whether complex text input may involve marked text.
+   When it does, has_marked_text returns non zero and reset_marked_text() and
+   insertion_point_location() must also be implemented.
+  */
+  virtual int has_marked_text() { return 0; }
+  virtual void reset_marked_text() {}
+  virtual void insertion_point_location(int x, int y, int height) {}
 };
 
 #endif // FL_SYSTEM_DRIVER_H