Doxygen: created Group to document drivers, disabled by default

Uncomment `ENABLED_SECTIONS += DriverDev` in documentation/Doxyfile.in
to enable driver documentation.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12968 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

41 files changed, 565 insertions, 71 deletions

diff --git a/FL/Fl_Copy_Surface.H b/FL/Fl_Copy_Surface.H
index ffe24fe83..fbf710c4d 100644
--- a/FL/Fl_Copy_Surface.H
+++ b/FL/Fl_Copy_Surface.H
@@ -66,10 +66,19 @@ public:
 };
 
 
-/** A base class describing the interface between FLTK and draw-to-clipboard operations.
- This class is only for internal use by the FLTK library.
- A supported platform should implement the virtual methods of this class
- in order to support drawing to the clipboard through class Fl_Copy_Surface.
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
+/**
+ * A base class describing the interface between FLTK and draw-to-clipboard operations.
+ *
+ * This class is only for internal use by the FLTK library.
+ *
+ * A supported platform should implement the virtual methods of this class
+ * in order to support drawing to the clipboard through class Fl_Copy_Surface.
  */
 class Fl_Copy_Surface_Driver : public Fl_Widget_Surface {
   friend class Fl_Copy_Surface;
@@ -90,6 +99,10 @@ protected:
   static Fl_Copy_Surface_Driver *newCopySurfaceDriver(int w, int h);
 };
 
+/**
+ * @}
+ * @endcond
+ */
 
 #endif // Fl_Copy_Surface_H
 
diff --git a/FL/Fl_Gl_Window_Driver.H b/FL/Fl_Gl_Window_Driver.H
index 1b5d36bfd..ccad677b7 100644
--- a/FL/Fl_Gl_Window_Driver.H
+++ b/FL/Fl_Gl_Window_Driver.H
@@ -17,6 +17,12 @@
 //     http://www.fltk.org/str.php
 //
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 #ifndef Fl_Gl_Window_Driver_H
 #define Fl_Gl_Window_Driver_H
 
@@ -202,6 +208,11 @@ class Fl_X11_Gl_Window_Driver : public Fl_Gl_Window_Driver {
 
 #endif /* Fl_Gl_Window_Driver_H */
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/FL/Fl_Graphics_Driver.H b/FL/Fl_Graphics_Driver.H
index 96aed31b5..f80934bce 100644
--- a/FL/Fl_Graphics_Driver.H
+++ b/FL/Fl_Graphics_Driver.H
@@ -17,6 +17,12 @@
 //     http://www.fltk.org/str.php
 //
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 /** \file Fl_Graphics_Driver.H
  \brief declaration of class Fl_Graphics_Driver.
 */
@@ -51,6 +57,7 @@ struct Fl_Fontdesc;
 
 #define FL_REGION_STACK_SIZE 10
 #define FL_MATRIX_STACK_SIZE 32
+
 /**
  An abstract class subclassed for each graphics driver FLTK uses.
  Typically, FLTK applications do not use directly objects from this class. Rather, they perform
@@ -58,14 +65,14 @@ struct Fl_Fontdesc;
  Drawing operations are functionally presented in \ref drawing and as function lists
  in the \ref fl_drawings and \ref fl_attributes modules.
  
- \p <tt>Fl_Surface_Device::surface()->driver()</tt>
+ <tt>Fl_Surface_Device::surface()->driver()</tt>
  gives at any time the graphics driver used by all drawing operations. 
  For compatibility with older FLTK versions, the \ref fl_graphics_driver global variable gives the same result.
  Its value changes when
  drawing operations are directed to another drawing surface by Fl_Surface_Device::push_current() /
  Fl_Surface_Device::pop_current() / Fl_Surface_Device::set_current().
 
- \p The Fl_Graphics_Driver class is of interest if one wants to perform new kinds of drawing operations.
+ The Fl_Graphics_Driver class is of interest if one wants to perform new kinds of drawing operations.
  An example would be to draw to an SVG file. This would require to create a new class,
  say SVG_Graphics_Driver, derived from class Fl_Graphics_Driver, and another new class,
  say SVG_Surface, derived from class Fl_Surface_Device. The new SVG_Graphics_Driver class should
@@ -73,7 +80,7 @@ struct Fl_Fontdesc;
  and have them draw into SVG files. Alternatively, class SVG_Graphics_Driver could implement only some
  virtual methods, and only part of FLTK drawing functions would be usable when drawing to SVG files.
  
- \p The Fl_Graphics_Driver class is essential for developers of the FLTK library.
+ The Fl_Graphics_Driver class is essential for developers of the FLTK library.
  Each platform supported by FLTK requires to create a derived class of Fl_Graphics_Driver that
  implements all its virtual member functions according to the platform.
  */
@@ -550,6 +557,11 @@ protected:
 
 #endif // FL_GRAPHICS_DRIVER_H
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/FL/Fl_Image_Surface.H b/FL/Fl_Image_Surface.H
index e411822c9..69093ecf1 100644
--- a/FL/Fl_Image_Surface.H
+++ b/FL/Fl_Image_Surface.H
@@ -90,6 +90,12 @@ public:
 };
 
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 /** A base class describing the interface between FLTK and draw-to-image operations.
  This class is only for internal use by the FLTK library.
  A supported platform should implement the virtual methods of this class
@@ -116,6 +122,11 @@ protected:
   static Fl_Image_Surface_Driver *newImageSurfaceDriver(int w, int h, int high_res, Fl_Offscreen off);
 };
 
+/**
+ * @}
+ * @endcond
+ */
+
 #endif // Fl_Image_Surface_H
 
 //
diff --git a/FL/Fl_Native_File_Chooser.H b/FL/Fl_Native_File_Chooser.H
index ec88a925f..22b5dd354 100644
--- a/FL/Fl_Native_File_Chooser.H
+++ b/FL/Fl_Native_File_Chooser.H
@@ -167,6 +167,12 @@ public:
   int show() ;
   };
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 /** Represents the interface between FLTK and a native file chooser.
  This class is only for internal use by the FLTK library.
  A platform that wants to provide a native file chooser implements all virtual methods
@@ -258,6 +264,11 @@ public:
   virtual int show() ;
 };
 
+/**
+ * @}
+ * @endcond
+ */
+
 
 #endif /*FL_NATIVE_FILE_CHOOSER_H*/
 
diff --git a/FL/Fl_PostScript.H b/FL/Fl_PostScript.H
index 2272c6316..de90bd225 100644
--- a/FL/Fl_PostScript.H
+++ b/FL/Fl_PostScript.H
@@ -33,6 +33,12 @@ extern "C" {
 }
 
 /**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
+/**
  \brief PostScript graphical backend.
  *
  PostScript text uses vectorial fonts when using the FLTK standard fonts  
@@ -75,7 +81,7 @@ public:
 #ifndef FL_DOXYGEN
   enum SHAPE{NONE=0, LINE, LOOP, POLYGON, POINTS};
   
-class Clip {
+  class Clip {
   public:
     int x, y, w, h;
     Clip *prev;
@@ -226,6 +232,11 @@ class Clip {
 };
 
 /**
+ * @}
+ * @endcond
+ */
+
+/**
  To send graphical output to a PostScript file.
  This class is used exactly as the Fl_Printer class except for the begin_job() call,
  two variants of which are usable and allow to specify what page format and layout are desired.
diff --git a/FL/Fl_Screen_Driver.H b/FL/Fl_Screen_Driver.H
index ff9dfa32d..1af64cba7 100644
--- a/FL/Fl_Screen_Driver.H
+++ b/FL/Fl_Screen_Driver.H
@@ -16,6 +16,12 @@
 //     http://www.fltk.org/str.php
 //
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 #ifndef FL_SCREEN_DRIVER_H
 #define FL_SCREEN_DRIVER_H
 
@@ -40,10 +46,13 @@ class Fl_RGB_Image;
 class Fl_Group;
 class Fl_Input;
 
-/** A base class describing the interface between FLTK and screen-related operations.
-This class is only for internal use by the FLTK library.
-Each supported platform implements several of the virtual methods of this class.
-*/
+/**
+ * A base class describing the interface between FLTK and screen-related operations.
+ *
+ * This class is only for internal use by the FLTK library.
+ *
+ * Each supported platform implements several of the virtual methods of this class.
+ */
 class FL_EXPORT Fl_Screen_Driver {
 
 protected:
@@ -187,6 +196,11 @@ public:
 
 #endif // !FL_SCREEN_DRIVER_H
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/FL/Fl_System_Driver.H b/FL/Fl_System_Driver.H
index 7a4cc18a7..9b5a04f7e 100644
--- a/FL/Fl_System_Driver.H
+++ b/FL/Fl_System_Driver.H
@@ -17,6 +17,12 @@
 //     http://www.fltk.org/str.php
 //
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 /** \file Fl_System_Driver.H
  \brief declaration of class Fl_System_Driver.
 */
@@ -232,6 +238,11 @@ public:
 
 #endif // FL_SYSTEM_DRIVER_H
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/FL/Fl_Window_Driver.H b/FL/Fl_Window_Driver.H
index dac150186..056a4adab 100644
--- a/FL/Fl_Window_Driver.H
+++ b/FL/Fl_Window_Driver.H
@@ -17,6 +17,12 @@
 //     http://www.fltk.org/str.php
 //
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 /** \file Fl_Window_Driver.H
  \brief declaration of class Fl_Window_Driver.
 */
@@ -35,9 +41,14 @@ class Fl_Image;
 class Fl_RGB_Image;
 
 /**
- \brief A base class for platform specific window handling code.
- This class is only for internal use by the FLTK library.
- Each supported platform implements several of the virtual methods of this class.
+ * \brief A base class for platform specific window handling code.
+ *
+ * This class is only for internal use by the FLTK library.
+ *
+ * When porting FLTK to a new platform, many mothods in this class provide
+ * a minimal default implementation. Some methods must be overridden to make
+ * sure that the Graphics Driver will draw into the bitmap associated with
+ * this window.
 */
 class FL_EXPORT Fl_Window_Driver
 {
@@ -186,6 +197,11 @@ public:
 
 #endif // FL_WINDOW_DRIVER_H
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/documentation/Doxyfile.in b/documentation/Doxyfile.in
index 3faed9254..d5a7a7681 100644
--- a/documentation/Doxyfile.in
+++ b/documentation/Doxyfile.in
@@ -437,7 +437,8 @@ GENERATE_DEPRECATEDLIST= YES
 # The ENABLED_SECTIONS tag can be used to enable conditional
 # documentation sections, marked by \if sectionname ... \endif.
 
-ENABLED_SECTIONS       =
+ENABLED_SECTIONS       = 
+# ENABLED_SECTIONS       += DriverDev
 
 # The MAX_INITIALIZER_LINES tag determines the maximum number of lines
 # the initial value of a variable or define consists of for it to appear in
@@ -640,14 +641,7 @@ EXCLUDE_PATTERNS += */src/*_x.cxx
 # wildcard * is used, a substring. Examples: ANamespace, AClass,
 # AClass::ANamespace, ANamespace::*Test
 
-EXCLUDE_SYMBOLS  =  Fl_System_Driver
-EXCLUDE_SYMBOLS +=  Fl_Window_Driver
-EXCLUDE_SYMBOLS +=  Fl_Gl_Window_Driver
-EXCLUDE_SYMBOLS +=  Fl_Screen_Driver
-EXCLUDE_SYMBOLS +=  Fl_Copy_Surface_Driver
-EXCLUDE_SYMBOLS +=  Fl_Image_Surface_Driver
-EXCLUDE_SYMBOLS +=  Fl_Native_File_Chooser_Driver
-EXCLUDE_SYMBOLS +=  Fl_Native_File_Chooser_FLTK_Driver
+EXCLUDE_SYMBOLS  =
 
 # The EXAMPLE_PATH tag can be used to specify one or more files or
 # directories that contain example code fragments that are included (see
diff --git a/src/Fl_Copy_Surface.cxx b/src/Fl_Copy_Surface.cxx
index 5d46e61d6..3f1ef2314 100644
--- a/src/Fl_Copy_Surface.cxx
+++ b/src/Fl_Copy_Surface.cxx
@@ -18,16 +18,6 @@
 
 #include <FL/Fl_Copy_Surface.H>
 
-#if defined(FL_PORTING)
-# pragma message "FL_PORTING: optionally implement class Fl_XXX_Copy_Surface_Driver for your platform"
-
-Fl_Copy_Surface_Driver *Fl_Copy_Surface_Driver::newCopySurfaceDriver(int w, int h)
-{
-  return NULL;
-}
-
-#endif
-
 /** the constructor
 \param w, h Width and height of the drawing surface in FLTK units */
 Fl_Copy_Surface::Fl_Copy_Surface(int w, int h) : Fl_Widget_Surface(NULL) {
diff --git a/src/Fl_Gl_Choice.cxx b/src/Fl_Gl_Choice.cxx
index c1707cd5e..56b0f2954 100644
--- a/src/Fl_Gl_Choice.cxx
+++ b/src/Fl_Gl_Choice.cxx
@@ -58,6 +58,12 @@ static void del_context(GLContext ctx) {
 
 static Fl_Gl_Choice *first;
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 // this assumes one of the two arguments is zero:
 // We keep the list system in Win32 to stay compatible and interpret
 // the list later...
@@ -69,6 +75,10 @@ Fl_Gl_Choice *Fl_Gl_Window_Driver::find_begin(int m, const int *alistp) {
   return NULL;
 }
 
+/**
+ * @}
+ * @endcond
+ */
 
 static GLContext cached_context;
 static Fl_Window* cached_window;
diff --git a/src/Fl_Gl_Overlay.cxx b/src/Fl_Gl_Overlay.cxx
index 161a51bb6..b24c1026e 100644
--- a/src/Fl_Gl_Overlay.cxx
+++ b/src/Fl_Gl_Overlay.cxx
@@ -34,11 +34,22 @@ int Fl_Gl_Window::can_do_overlay() {
   return pGlWindowDriver->can_do_overlay();
 }
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 void Fl_Gl_Window_Driver::make_overlay(void *&o) {
   o = pWindow;
 }
 
 /**
+ * @}
+ * @endcond
+ */
+
+/**
  Causes draw_overlay() to be called at a later time.
  Initially the overlay is clear. If you want the window to display
  something in the overlay when it first appears, you must call this
diff --git a/src/Fl_Gl_Window.cxx b/src/Fl_Gl_Window.cxx
index 6d7479842..7819cc7e9 100644
--- a/src/Fl_Gl_Window.cxx
+++ b/src/Fl_Gl_Window.cxx
@@ -451,6 +451,12 @@ float Fl_Gl_Window::pixels_per_unit() {
   return pGlWindowDriver->pixels_per_unit();
 }
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 // creates a unique, dummy Fl_Gl_Window_Driver object used when no Fl_Gl_Window is around
 // necessary to support gl_start()/gl_finish()
 Fl_Gl_Window_Driver *Fl_Gl_Window_Driver::global() {
@@ -761,6 +767,11 @@ void Fl_X11_Gl_Window_Driver::waitGL() {
 
 #endif // FL_CFG_GFX_XLIB
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/src/Fl_Graphics_Driver.cxx b/src/Fl_Graphics_Driver.cxx
index 96c072d15..1f0847714 100644
--- a/src/Fl_Graphics_Driver.cxx
+++ b/src/Fl_Graphics_Driver.cxx
@@ -16,6 +16,12 @@
 //     http://www.fltk.org/str.php
 //
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 #include <FL/Fl.H>
 #include "config_lib.h"
 #include <FL/Fl_Graphics_Driver.H>
@@ -326,8 +332,13 @@ Fl_Offscreen Fl_Graphics_Driver::get_offscreen_and_delete_image_surface(Fl_Image
   return off;
 }
 
+/**
+ * @}
+ * @endcond
+ */
 
 #ifndef FL_DOXYGEN
+
 Fl_Font_Descriptor::Fl_Font_Descriptor(const char* name, Fl_Fontsize Size) {
   next = 0;
 #  if HAVE_GL
@@ -580,7 +591,7 @@ void Fl_Scalable_Graphics_Driver::unscale_clip(Fl_Region r) {
   }
 }
 
-#endif // !FL_DOXYGEN
+#endif
 
 //
 // End of "$Id$".
diff --git a/src/Fl_Image_Surface.cxx b/src/Fl_Image_Surface.cxx
index 7fa4da631..fd24cd2cf 100644
--- a/src/Fl_Image_Surface.cxx
+++ b/src/Fl_Image_Surface.cxx
@@ -18,15 +18,6 @@
 
 #include <FL/Fl_Image_Surface.H>
 
-#if defined(FL_PORTING)
-# pragma message "FL_PORTING: optionally implement class Fl_XXX_Image_Surface_Driver for your platform"
-Fl_Image_Surface_Driver *Fl_Image_Surface_Driver::newImageSurfaceDriver(int w, int h, int high_res, Fl_Offscreen)
-{
-  return NULL;
-}
-#endif
-
-
 /** Constructor with optional high resolution.
  \param w and \param h set the size of the resulting image. The value of the \p high_res
  parameter controls whether \p w and \p h are interpreted as pixel or FLTK units.
diff --git a/src/Fl_Native_File_Chooser.cxx b/src/Fl_Native_File_Chooser.cxx
index 2d27528a3..8697a4e36 100644
--- a/src/Fl_Native_File_Chooser.cxx
+++ b/src/Fl_Native_File_Chooser.cxx
@@ -19,14 +19,6 @@
 
 #include <FL/Fl_Native_File_Chooser.H>
 
-#ifdef FL_PORTING
-#  pragma message "Implement a native file chooser (see Fl_Native_File_Chooser_Driver), or use FLTK's chooser, or don't use any chooser"
-Fl_Native_File_Chooser::Fl_Native_File_Chooser(int val) {
-  //platform_fnfc = new Fl_Native_File_Chooser_FLTK_Driver(val); // do this to use FLTK's default file chooser
-  platform_fnfc = 0; // do this so class Fl_Native_File_Chooser does nothing
-}
-#endif
-
 /** Localizable message */
 const char *Fl_Native_File_Chooser::file_exists_message = "File exists. Are you sure you want to overwrite?";
 
@@ -248,6 +240,12 @@ int Fl_Native_File_Chooser::show() {
   return platform_fnfc ? platform_fnfc->show() : 1;
 }
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 // COPY A STRING WITH 'new'
 //    Value can be NULL
 //
@@ -298,6 +296,11 @@ void Fl_Native_File_Chooser_Driver::chrcat(char *s, char c) {
   strcat(s, tmp);
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/src/Fl_Native_File_Chooser_FLTK.cxx b/src/Fl_Native_File_Chooser_FLTK.cxx
index 8dff9b45e..4041518ad 100644
--- a/src/Fl_Native_File_Chooser_FLTK.cxx
+++ b/src/Fl_Native_File_Chooser_FLTK.cxx
@@ -16,6 +16,12 @@
 //     http://www.fltk.org/str.php
 //
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 #include <FL/Fl_Native_File_Chooser.H>
 #include <FL/Fl_File_Chooser.H>
 #include <FL/Fl_File_Icon.H>
@@ -305,6 +311,11 @@ int Fl_Native_File_Chooser_FLTK_Driver::exist_dialog() {
   return fl_choice("%s", fl_cancel, fl_ok, NULL, Fl_Native_File_Chooser::file_exists_message);
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/src/Fl_Screen_Driver.cxx b/src/Fl_Screen_Driver.cxx
index 4ec5e8671..8144dc239 100644
--- a/src/Fl_Screen_Driver.cxx
+++ b/src/Fl_Screen_Driver.cxx
@@ -16,6 +16,12 @@
 //     http://www.fltk.org/str.php
 //
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 #include <FL/Fl_Screen_Driver.H>
 #include <FL/Fl_Image.H>
 #include <FL/Fl.H>
@@ -488,6 +494,11 @@ int Fl_Screen_Driver::parse_color(const char* p, uchar& r, uchar& g, uchar& b)
   return 1;
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/src/Fl_System_Driver.cxx b/src/Fl_System_Driver.cxx
index d5763cb01..cfeb20881 100644
--- a/src/Fl_System_Driver.cxx
+++ b/src/Fl_System_Driver.cxx
@@ -16,6 +16,11 @@
 //     http://www.fltk.org/str.php
 //
 
+/**
+ * @cond DriverDev
+ * @defgroup DriverDeveloper Driver Developer Documentation
+ * @{
+ */
 
 #include <FL/Fl_System_Driver.H>
 #include <FL/Fl.H>
@@ -489,6 +494,11 @@ void Fl_System_Driver::gettime(time_t *sec, int *usec) {
   *usec = 0;
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/src/Fl_Tree_Prefs.cxx b/src/Fl_Tree_Prefs.cxx
index 060d46d4b..19519ff0d 100644
--- a/src/Fl_Tree_Prefs.cxx
+++ b/src/Fl_Tree_Prefs.cxx
@@ -87,6 +87,13 @@ int Fl_Darwin_System_Driver::tree_connector_style() {
 
 #endif // FL_CFG_WIN_COCOA
 
+
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 const char * const Fl_System_Driver::tree_open_xpm[] = {
   "11 11 3 1",
   ".	c #fefefe",
@@ -124,6 +131,16 @@ const char * const Fl_System_Driver::tree_close_xpm[] = {
 };
 
 
+/**
+ * Return the address of a pixmap that show a plus in a box.
+ *
+ * This pixmap is used to indicate a brach of a tree that is closed and
+ * can be opened by clicking it.
+ *
+ * Other platforms may use other symbols which can be reimplemented in the
+ * driver. Notably, Apple Mac systems mark a closed branch with a triangle
+ * pointing to the right, and an open branch with a triangle pointing down.
+ */
 Fl_Pixmap *Fl_System_Driver::tree_openpixmap() {
   static Fl_Pixmap *pixmap = new Fl_Pixmap(tree_open_xpm);
   return pixmap;
@@ -138,6 +155,11 @@ int Fl_System_Driver::tree_connector_style() {
   return FL_TREE_CONNECTOR_DOTTED;
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 
 /// Sets the default icon to be used as the 'open' icon
 /// when items are add()ed to the tree.
diff --git a/src/Fl_Window_Driver.cxx b/src/Fl_Window_Driver.cxx
index 45e9c4b03..72a84ff62 100644
--- a/src/Fl_Window_Driver.cxx
+++ b/src/Fl_Window_Driver.cxx
@@ -17,6 +17,11 @@
 //     http://www.fltk.org/str.php
 //
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
 
 #include <FL/Fl_Window_Driver.H>
 #include <FL/Fl_Overlay_Window.H>
@@ -26,6 +31,13 @@
 
 extern void fl_throw_focus(Fl_Widget *o);
 
+
+/**
+ * Create a new Window Driver.
+ *
+ * This calls should be derived into a new class that manages desktop windows
+ * on the target platform.
+ */
 Fl_Window_Driver::Fl_Window_Driver(Fl_Window *win) :
 pWindow(win)
 {
@@ -64,14 +76,31 @@ void Fl_Window_Driver::flush_Fl_Window() { pWindow->Fl_Window::flush(); }
 
 void Fl_Window_Driver::flush_menu() { pWindow->Fl_Window::flush(); }
 
+/**
+ * Draw the window content.
+ * A new driver can add code before or after drawing an individua window.
+ */
 void Fl_Window_Driver::draw() { pWindow->draw(); }
 
+/**
+ * Prepare this window for rendering.
+ * A new driver may prepare bitmaps and clipping areas for calls to the
+ * Graphics driver.
+ */
 void Fl_Window_Driver::make_current() { }
 
+/**
+ * Make the window visble and raise it to the top.
+ */
 void Fl_Window_Driver::show() { }
 
 void Fl_Window_Driver::show_menu() { pWindow->Fl_Window::show(); }
 
+/**
+ * Change the window title.
+ * A new drive should provide an interface to change the title of the window
+ * in the title bar.
+ */
 void Fl_Window_Driver::label(const char *name, const char *mininame) {}
 
 void Fl_Window_Driver::take_focus()
@@ -279,6 +308,11 @@ void Fl_Window_Driver::resize_after_scale_change(int ns, float old_f, float new_
   is_a_rescale_ = false;
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/src/Fl_cocoa.mm b/src/Fl_cocoa.mm
index b23f2389e..ed22a7417 100644
--- a/src/Fl_cocoa.mm
+++ b/src/Fl_cocoa.mm
@@ -154,8 +154,26 @@ void fl_set_status(int x, int y, int w, int h)
 {
 }
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
+/**
+ * Set the default icon for the window decoration.
+ *
+ * @todo This method should probably be virtual and should be overriden for
+ *      a give targte platform. This implementation however lives in Fl_Cocoa.m
+ *      which is a Mac specific file.
+ */
 void Fl_Window_Driver::default_icons(const Fl_RGB_Image *icons[], int count) {}
 
+/**
+ * @}
+ * @endcond
+ */
+
 /*
  * Mac keyboard lookup table
  */
diff --git a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
index b69e041e5..857057f70 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
+++ b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
@@ -36,7 +36,13 @@ extern void (*fl_unlock_function)();
 
 int Fl_Cocoa_Screen_Driver::next_marked_length = 0;
 
-/*
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
+/**
  Creates a driver that manages all screen and display related calls.
  
  This function must be implemented once for every platform.
@@ -46,6 +52,11 @@ Fl_Screen_Driver *Fl_Screen_Driver::newScreenDriver()
   return new Fl_Cocoa_Screen_Driver();
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 static Fl_Text_Editor::Key_Binding extra_bindings[] =  {
   // Define CMD+key accelerators...
   { 'z',          FL_COMMAND,               Fl_Text_Editor::kf_undo       ,0},
diff --git a/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H b/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H
index d7162eff9..2f851c500 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H
+++ b/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H
@@ -40,6 +40,12 @@ class NSCursor;
 class FLWindow;
 #endif // __OBJC__
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 /*
  Move everything here that manages the native window interface.
 
@@ -60,6 +66,11 @@ struct Fl_Window_Driver::shape_data_type {
   CGImageRef mask;
 };
 
+/**
+ * @}
+ * @endcond
+ */
+
 
 class FL_EXPORT Fl_Cocoa_Window_Driver : public Fl_Window_Driver
 {
diff --git a/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx b/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx
index d565ae20c..b9dcfcd99 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx
+++ b/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx
@@ -27,11 +27,23 @@
 #include <FL/Fl.H>
 #include <FL/platform.H>
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 Fl_Window_Driver *Fl_Window_Driver::newWindowDriver(Fl_Window *w)
 {
   return new Fl_Cocoa_Window_Driver(w);
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
+
 
 Fl_Cocoa_Window_Driver::Fl_Cocoa_Window_Driver(Fl_Window *win)
 : Fl_Window_Driver(win)
diff --git a/src/drivers/PostScript/Fl_PostScript.cxx b/src/drivers/PostScript/Fl_PostScript.cxx
index ca2ea3085..c0c283422 100644
--- a/src/drivers/PostScript/Fl_PostScript.cxx
+++ b/src/drivers/PostScript/Fl_PostScript.cxx
@@ -30,6 +30,12 @@
 const char *Fl_PostScript_File_Device::file_chooser_title = "Select a .ps file";
 
 /**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
+/**
  @brief The constructor.
  */
 Fl_PostScript_Graphics_Driver::Fl_PostScript_Graphics_Driver(void)
@@ -48,6 +54,12 @@ Fl_PostScript_Graphics_Driver::~Fl_PostScript_Graphics_Driver() {
   if(ps_filename_) free(ps_filename_);
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
+
 Fl_PostScript_File_Device::Fl_PostScript_File_Device(void)
 {
   Fl_Surface_Device::driver( new Fl_PostScript_Graphics_Driver() );
@@ -107,6 +119,12 @@ Fl_PostScript_File_Device::~Fl_PostScript_File_Device() {
   if (ps) delete ps;
 }
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 int Fl_PostScript_Graphics_Driver::clocale_printf(const char *format, ...)
 {
   va_list args;
@@ -116,8 +134,6 @@ int Fl_PostScript_Graphics_Driver::clocale_printf(const char *format, ...)
   return retval;
 }
 
-#ifndef FL_DOXYGEN
-
 //  Prolog string 
 
 static const char * prolog =
@@ -1477,7 +1493,10 @@ void Fl_PostScript_File_Device::end_job (void)
   Fl_Display_Device::display_device()->set_current();
 }
 
-#endif // FL_DOXYGEN
+/**
+ * @}
+ * @endcond
+ */
 
 #endif // !defined(FL_NO_PRINT_SUPPORT)
 
diff --git a/src/drivers/Quartz/Fl_Quartz_Copy_Surface_Driver.cxx b/src/drivers/Quartz/Fl_Quartz_Copy_Surface_Driver.cxx
index c3f386c3d..82e64299d 100644
--- a/src/drivers/Quartz/Fl_Quartz_Copy_Surface_Driver.cxx
+++ b/src/drivers/Quartz/Fl_Quartz_Copy_Surface_Driver.cxx
@@ -24,11 +24,22 @@
 #include "Fl_Quartz_Graphics_Driver.H"
 #include "Fl_Quartz_Copy_Surface_Driver.H"
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 Fl_Copy_Surface_Driver *Fl_Copy_Surface_Driver::newCopySurfaceDriver(int w, int h)
 {
   return new Fl_Quartz_Copy_Surface_Driver(w, h);
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 Fl_Quartz_Copy_Surface_Driver::Fl_Quartz_Copy_Surface_Driver(int w, int h) : Fl_Copy_Surface_Driver(w, h) {
   driver(new Fl_Quartz_Graphics_Driver);
   prepare_copy_pdf_and_tiff(w, h);
diff --git a/src/drivers/Quartz/Fl_Quartz_Image_Surface_Driver.cxx b/src/drivers/Quartz/Fl_Quartz_Image_Surface_Driver.cxx
index b64e8347e..67912c144 100644
--- a/src/drivers/Quartz/Fl_Quartz_Image_Surface_Driver.cxx
+++ b/src/drivers/Quartz/Fl_Quartz_Image_Surface_Driver.cxx
@@ -40,11 +40,23 @@ public:
 };
 
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 Fl_Image_Surface_Driver *Fl_Image_Surface_Driver::newImageSurfaceDriver(int w, int h, int high_res, Fl_Offscreen off)
 {
   return new Fl_Quartz_Image_Surface_Driver(w, h, high_res, off);
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
+
 
 Fl_Quartz_Image_Surface_Driver::Fl_Quartz_Image_Surface_Driver(int w, int h, int high_res, Fl_Offscreen off) : Fl_Image_Surface_Driver(w, h, high_res, off) {
   int W = w, H = h;
diff --git a/src/filename_absolute.cxx b/src/filename_absolute.cxx
index 1f1c7ddbe..a21e0ff1e 100644
--- a/src/filename_absolute.cxx
+++ b/src/filename_absolute.cxx
@@ -49,6 +49,12 @@ int fl_filename_absolute(char *to, int tolen, const char *from) {
 }
 
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 int Fl_System_Driver::filename_absolute(char *to, int tolen, const char *from) {
   if (isdirsep(*from) || *from == '|') {
     strlcpy(to, from, tolen);
@@ -88,6 +94,12 @@ int Fl_System_Driver::filename_absolute(char *to, int tolen, const char *from) {
   return 1;
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
+
 /** Makes a filename relative to the current working directory.
     \code
     #include <FL/filename.H>
@@ -136,6 +148,13 @@ fl_filename_relative(char       *to,	// O - Relative filename
   return Fl::system_driver()->filename_relative(to, tolen, from, base);
 }
 
+
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 int                                             // O - 0 if no change, 1 if changed
 Fl_System_Driver::filename_relative(char *to,	// O - Relative filename
                      int        tolen,          // I - Size of "to" buffer
@@ -207,6 +226,11 @@ Fl_System_Driver::filename_relative(char *to,	// O - Relative filename
   return 1;
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/src/filename_ext.cxx b/src/filename_ext.cxx
index f07e6797f..43f0a7962 100644
--- a/src/filename_ext.cxx
+++ b/src/filename_ext.cxx
@@ -34,6 +34,21 @@ const char *fl_filename_ext(const char *buf) {
   return Fl::system_driver()->filename_ext(buf);
 }
 
+
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
+/**
+ * Default implementation to find a filename extension.
+ *
+ * The default implementation assumes that the last `.` character separates
+ * the extension form the basename of a file.
+ *
+ * @see fl_filename_ext(const char*)
+ */
 const char *Fl_System_Driver::filename_ext(const char *buf) {
   const char *q = 0;
   const char *p = buf;
@@ -44,6 +59,11 @@ const char *Fl_System_Driver::filename_ext(const char *buf) {
   return q ? q : p;
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/src/filename_isdir.cxx b/src/filename_isdir.cxx
index 8364742da..0b5caa4e1 100644
--- a/src/filename_isdir.cxx
+++ b/src/filename_isdir.cxx
@@ -23,19 +23,6 @@
 #include <FL/filename.H>
 #include <FL/Fl.H>
 
-/*
- * filename_isdir_quick() is a private function that checks for a
- * trailing slash and assumes that the passed name is a directory if
- * it finds one.  This function is used by Fl_File_Browser and
- * Fl_File_Chooser to avoid extra stat() calls, but is not supported
- * outside of FLTK...
- */
-int Fl_System_Driver::filename_isdir_quick(const char* n) {
-  // Do a quick optimization for filenames with a trailing slash...
-  if (*n && n[strlen(n) - 1] == '/') return 1;
-  return filename_isdir(n);
-}
-
 /**
    Determines if a file exists and is a directory from its filename.
    \code
@@ -51,6 +38,27 @@ int fl_filename_isdir(const char* n) {
   return Fl::system_driver()->filename_isdir(n);
 }
 
+
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
+/**
+ * filename_isdir_quick() is a private function that checks for a
+ * trailing slash and assumes that the passed name is a directory if
+ * it finds one.  This function is used by Fl_File_Browser and
+ * Fl_File_Chooser to avoid extra stat() calls, but is not supported
+ * outside of FLTK...
+ */
+int Fl_System_Driver::filename_isdir_quick(const char* n) {
+    // Do a quick optimization for filenames with a trailing slash...
+    if (*n && n[strlen(n) - 1] == '/') return 1;
+    return filename_isdir(n);
+}
+
+
 int Fl_System_Driver::filename_isdir(const char* n) {
   struct stat	s;
   char		fn[FL_PATH_MAX];
@@ -68,6 +76,11 @@ int Fl_System_Driver::filename_isdir(const char* n) {
   return !stat(n, &s) && (s.st_mode & S_IFDIR);
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/src/fl_arc.cxx b/src/fl_arc.cxx
index 240e254de..82c40587c 100644
--- a/src/fl_arc.cxx
+++ b/src/fl_arc.cxx
@@ -34,7 +34,21 @@ static double _fl_hypot(double x, double y) {
   return sqrt(x*x + y*y);
 }
 
-/** see fl_arc(double x, double y, double r, double start, double end) */
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
+/**
+ * Draw an arc.
+ *
+ * The default implementation draws an arc using other calls into the graphics
+ * driver. There is no need to override the method unless the target platform
+ * supports drawing arcs directly.
+ *
+ * @see fl_arc(double x, double y, double r, double start, double end)
+ */
 void Fl_Graphics_Driver::arc(double x, double y, double r, double start, double end) {
 
   // draw start point accurately:
@@ -72,6 +86,11 @@ void Fl_Graphics_Driver::arc(double x, double y, double r, double start, double
   }
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/src/fl_curve.cxx b/src/fl_curve.cxx
index ebe75a448..2781956bd 100644
--- a/src/fl_curve.cxx
+++ b/src/fl_curve.cxx
@@ -29,6 +29,12 @@
 #include <FL/fl_draw.H>
 #include <math.h>
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 /** see fl_curve() */
 void Fl_Graphics_Driver::curve(double X0, double Y0,
 	      double X1, double Y1,
@@ -97,6 +103,11 @@ void Fl_Graphics_Driver::curve(double X0, double Y0,
   fl_transformed_vertex(x3,y3);
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/src/fl_encoding_latin1.cxx b/src/fl_encoding_latin1.cxx
index 10b899f92..dbb31ad7b 100644
--- a/src/fl_encoding_latin1.cxx
+++ b/src/fl_encoding_latin1.cxx
@@ -115,16 +115,45 @@ const char *Fl_Darwin_System_Driver::local_to_latin1(const char *t, int n)
 
 #endif
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
+/**
+ * Default implementation of latin-to-local text conversion.
+ *
+ * The default implementation returns the original text. This method should
+ * be reimplemented by drivers for platforms that commonly use latin
+ * text encoding.
+ *
+ * @see fl_latin1_to_local(const char *, int)
+ */
 const char *Fl_System_Driver::latin1_to_local(const char *t, int)
 {
   return t;
 }
 
+/**
+ * Default implementation of local-to-latin text conversion.
+ *
+ * The default implementation returns the original text. This method should
+ * be reimplemented by drivers for platforms that commonly use latin
+ * text encoding.
+ *
+ * @see fl_local_to_latin1(const char *, int)
+ */
 const char *Fl_System_Driver::local_to_latin1(const char *t, int)
 {
   return t;
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 const char *fl_latin1_to_local(const char *t, int n)
 {
   return Fl::system_driver()->latin1_to_local(t, n);
@@ -135,7 +164,6 @@ const char *fl_local_to_latin1(const char *t, int n)
   return Fl::system_driver()->local_to_latin1(t, n);
 }
 
-
 //
 // End of "$Id$".
 //
diff --git a/src/fl_encoding_mac_roman.cxx b/src/fl_encoding_mac_roman.cxx
index 2036fb4dd..50baaf557 100644
--- a/src/fl_encoding_mac_roman.cxx
+++ b/src/fl_encoding_mac_roman.cxx
@@ -76,6 +76,12 @@ static uchar roman2latin[128] = {
 static char *buf = 0;
 static int n_buf = 0;
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 const char *Fl_System_Driver::local_to_mac_roman(const char *t, int n)
 {
   if (n==-1) n = (int) strlen(t);
@@ -118,6 +124,11 @@ const char *Fl_System_Driver::mac_roman_to_local(const char *t, int n)
   return buf;
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 const char *fl_local_to_mac_roman(const char *t, int n) {
   return Fl::system_driver()->local_to_mac_roman(t, n);
 }
diff --git a/src/fl_rect.cxx b/src/fl_rect.cxx
index 54155aca3..c76cdc9d0 100644
--- a/src/fl_rect.cxx
+++ b/src/fl_rect.cxx
@@ -33,6 +33,12 @@
 // all driver code is now in drivers/XXX/Fl_XXX_Graphics_Driver_xyz.cxx
 // -----------------------------------------------------------------------------
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 /** see fl_restore_clip() */
 void Fl_Graphics_Driver::restore_clip() {
   fl_clip_state_number++;
@@ -52,6 +58,11 @@ Fl_Region Fl_Graphics_Driver::clip_region() {
   return rstack[rstackptr];
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 
 //
 // End of "$Id$".
diff --git a/src/fl_shortcut.cxx b/src/fl_shortcut.cxx
index 93c618257..7be566f14 100644
--- a/src/fl_shortcut.cxx
+++ b/src/fl_shortcut.cxx
@@ -372,6 +372,12 @@ int Fl_Widget::test_shortcut() {
   return test_shortcut(label());
 }
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 const char *Fl_System_Driver::shortcut_add_key_name(unsigned key, char *p, char *buf, const char **eom)
 {
   if (key >= FL_F && key <= FL_F_Last) {
@@ -410,6 +416,11 @@ const char *Fl_System_Driver::shortcut_add_key_name(unsigned key, char *p, char
   return buf;
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/src/fl_vertex.cxx b/src/fl_vertex.cxx
index 848c30caa..5b775dfc5 100644
--- a/src/fl_vertex.cxx
+++ b/src/fl_vertex.cxx
@@ -37,6 +37,12 @@
 #include <FL/math.h>
 #include <stdlib.h>
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 /** see fl_push_matrix() */
 void Fl_Graphics_Driver::push_matrix() {
   if (sptr==matrix_stack_size)
@@ -127,6 +133,11 @@ double Fl_Graphics_Driver::transform_dy(double x, double y) {
   return x*m.b + y*m.d;
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 //
 // End of "$Id$".
 //
diff --git a/src/gl_draw.cxx b/src/gl_draw.cxx
index ebaa1d2e5..51920502a 100644
--- a/src/gl_draw.cxx
+++ b/src/gl_draw.cxx
@@ -458,6 +458,12 @@ void gl_texture_pile_height(int max)
 }
 
 
+/**
+  * @cond DriverDev
+  * @addtogroup DriverDeveloper
+  * @{
+  */
+
 void Fl_Gl_Window_Driver::draw_string_legacy(const char* str, int n)
 {
   draw_string_legacy_glut(str,  n);
@@ -789,6 +795,11 @@ char *Fl_Cocoa_Gl_Window_Driver::alpha_mask_for_string(const char *str, int n, i
 
 #endif // FL_CFG_GFX_QUARTZ
 
+/**
+ * @}
+ * @endcond
+ */
+
 #endif // HAVE_GL || defined(FL_DOXYGEN)
 
 //
diff --git a/src/gl_start.cxx b/src/gl_start.cxx
index c2f4727ee..31a817021 100644
--- a/src/gl_start.cxx
+++ b/src/gl_start.cxx
@@ -86,6 +86,12 @@ void gl_finish() {
   gl_start_scale = 1;
 }
 
+/**
+ * @cond DriverDev
+ * @addtogroup DriverDeveloper
+ * @{
+ */
+
 void Fl_Gl_Window_Driver::gl_visual(Fl_Gl_Choice *c) {
   gl_choice = c;
 }
@@ -122,6 +128,11 @@ int Fl::gl_visual(int mode, int *alist) {
   return 1;
 }
 
+/**
+ * @}
+ * @endcond
+ */
+
 #endif // HAVE_GL
 
 //