X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FGUI%2Fgui.cxx;h=2e8305ba419b6b9adf25aba261b78b8224c6a06d;hb=4c7fb6c91bbf17119407748d4d49d627748ad037;hp=8ce464eacc514f7fe135763dc6e9b5a215f57d2c;hpb=90707efd3f381a26ab1da35d35384c0f409785c2;p=flightgear.git

diff --git a/src/GUI/gui.cxx b/src/GUI/gui.cxx
index 8ce464eac..2e8305ba4 100644
--- a/src/GUI/gui.cxx
+++ b/src/GUI/gui.cxx
@@ -18,7 +18,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  *
  * $Id$
  **************************************************************************/
@@ -30,1893 +30,91 @@
 
 #include <simgear/compiler.h>
 
-#ifdef FG_MATH_EXCEPTION_CLASH
-#  include <math.h>
-#endif
-
-#ifdef HAVE_WINDOWS_H
-#  include <windows.h>
-#endif
-
-#include <GL/glut.h>
-#include <simgear/xgl/xgl.h>
-
-#if defined(FX) && defined(XMESA)
-#  include <GL/xmesa.h>
-#endif
-
-#include STL_STRING
+#include <string>
 
-#include <stdlib.h>
-#include <string.h>
+#include <simgear/structure/exception.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/props/props.hxx>
+#include <simgear/props/props_io.hxx>
 
-#include <simgear/constants.h>
-#include <simgear/debug/logstream.hxx>
-#include <simgear/misc/fgpath.hxx>
-#include <simgear/screen/screen-dump.hxx>
+#include <plib/pu.h>
 
 #include <Include/general.hxx>
-#include <Aircraft/aircraft.hxx>
-#include <Airports/simple.hxx>
-#include <Autopilot/auto_gui.hxx>
-#include <Autopilot/newauto.hxx>
-#include <Cockpit/panel.hxx>
-#include <Controls/controls.hxx>
-#include <FDM/flight.hxx>
-#include <Main/options.hxx>
-#include <Main/fg_init.hxx>
-#include <Main/views.hxx>
-#include <Main/save.hxx>
-#include <Main/bfi.hxx>
-#ifdef FG_NETWORK_OLK
-#include <NetworkOLK/network.h>
-#endif
-#include <Time/fg_time.hxx>
-
-#if defined( WIN32 ) && !defined( __CYGWIN__ )
-#  include <simgear/screen/win32-printer.h>
-#  include <simgear/screen/GlBitmaps.h>
-#endif
-
-/*
- * trackball.h
- * A virtual trackball implementation
- * Written by Gavin Bell for Silicon Graphics, November 1988.
- */
-/*
- * Pass the x and y coordinates of the last and current positions of
- * the mouse, scaled so they are from (-1.0 ... 1.0).
- *
- * The resulting rotation is returned as a quaternion rotation in the
- * first paramater.
- */
-void
-trackball(float q[4], float p1x, float p1y, float p2x, float p2y);
-
-/*
- * Given two quaternions, add them together to get a third quaternion.
- * Adding quaternions to get a compound rotation is analagous to adding
- * translations to get a compound translation.  When incrementally
- * adding rotations, the first argument here should be the new
-
-  * rotation, the second and third the total rotation (which will be
- * over-written with the resulting new total rotation).
- */
-void
-add_quats(float *q1, float *q2, float *dest);
-
-/*
- * A useful function, builds a rotation matrix in Matrix based on
- * given quaternion.
- */
-void
-build_rotmatrix(float m[4][4], float q[4]);
-
-/*
- * This function computes a quaternion based on an axis (defined by
- * the given vector) and an angle about which to rotate.  The angle is
- * expressed in radians.  The result is put into the third argument.
- */
-void
-axis_to_quat(float a[3], float phi, float q[4]);
-
+#include <Main/main.hxx>
+#include <Main/globals.hxx>
+#include <Main/fg_props.hxx>
+#include <Main/WindowSystemAdapter.hxx>
+#include <GUI/new_gui.hxx>
 
 #include "gui.h"
+#include "layout.hxx"
 
-FG_USING_STD(string);
-
-#ifndef FG_HAVE_NATIVE_SGI_COMPILERS
-FG_USING_STD(cout);
-#endif
-
-#if defined(WIN32) || defined(__CYGWIN32__)
-#define WIN32_CURSOR_TWEAKS
-#elif (GLUT_API_VERSION >= 4 || GLUT_XLIB_IMPLEMENTATION >= 9)
-#define X_CURSOR_TWEAKS
-#endif
+#include <osg/GraphicsContext>
 
-// hack, should come from an include someplace
-extern void fgInitVisuals( void );
-extern void fgReshape( int width, int height );
-extern void fgRenderFrame( void );
+using namespace flightgear;
 
 puFont guiFnt = 0;
-fntTexFont *guiFntHandle = 0;
-
-static puMenuBar    *mainMenuBar = 0;
-//static puButton     *hideMenuButton = 0;
-
-static puDialogBox  *dialogBox = 0;
-static puFrame      *dialogFrame = 0;
-static puText       *dialogBoxMessage = 0;
-static puOneShot    *dialogBoxOkButton = 0;
-
-
-static puDialogBox  *YNdialogBox = 0;
-static puFrame      *YNdialogFrame = 0;
-static puText       *YNdialogBoxMessage = 0;
-static puOneShot    *YNdialogBoxOkButton = 0;
-static puOneShot    *YNdialogBoxNoButton = 0;
-
-static char msg_OK[]     = "OK";
-static char msg_NO[]     = "NO";
-static char msg_YES[]    = "YES";
-static char msg_CANCEL[] = "Cancel";
-static char msg_RESET[]  = "Reset";
-
-char *gui_msg_OK;     // "OK"
-char *gui_msg_NO;     // "NO"
-char *gui_msg_YES;    // "YES"
-char *gui_msg_CANCEL; // "CANCEL"
-char *gui_msg_RESET;  // "RESET"
-
-static char global_dialog_string[256];
 
-// from autopilot.cxx
-// extern void NewAltitude( puObject *cb );
-// extern void NewHeading( puObject *cb );
-// extern void fgAPAdjust( puObject * );
-// extern void NewTgtAirport( puObject *cb );
-// bool fgAPTerrainFollowEnabled( void );
-// bool fgAPAltitudeEnabled( void );
-// bool fgAPHeadingEnabled( void );
-// bool fgAPWayPointEnabled( void );
-// bool fgAPAutoThrottleEnabled( void );
-
-// from cockpit.cxx
-extern void fgLatLonFormatToggle( puObject *);
-
-/* --------------------------------------------------------------------
-Mouse stuff
----------------------------------------------------------------------*/
-
-static int _mX = 0;
-static int _mY = 0;
-static int _savedX = 0;
-static int _savedY = 0;
-static int last_buttons = 0 ;
-static int mouse_active = 0;
-static int menu_on = 0;
-static int mouse_joystick_control = 0;
-
-//static time_t mouse_off_time;
-//static int mouse_timed_out;
-
-// to allow returning to previous view
-// on second left click in MOUSE_VIEW mode
-// This has file scope so that it can be reset
-// if the little rodent is moved  NHV
-static  int _mVtoggle;
-
-// we break up the glutGetModifiers return mask
-// once per loop and stash what we need in these
-static int glut_active_shift;
-static int glut_active_ctrl;
-static int glut_active_alt;
-
-static float lastquat[4];
-static float curquat[4];
-static float _quat0[4];
-float quat_mat[4][4];
-
-// uncomment this for view to exactly follow mouse in MOUSE_VIEW mode
-// else smooth out the view panning to .01 radian per frame
-// see view_offset smoothing mechanism in main.cxx
-#define NO_SMOOTH_MOUSE_VIEW
-
-// uncomment following to
-#define RESET_VIEW_ON_LEAVING_MOUSE_VIEW
-
-/* --------------------------------------------------------------------
-Support for mouse as control yoke (david@megginson.com)
-
-- right button toggles between pointer and yoke
-- horizontal drag with no buttons moves ailerons
-- vertical drag with no buttons moves elevators
-- horizontal drag with left button moves brakes (left=on)
-- vertical drag with left button moves throttle (up=more)
-- horizontal drag with middle button moves rudder
-- vertical drag with middle button moves trim
-
-For the *_sensitivity variables, a lower number means more sensitive.
-
-TODO: figure out how to keep pointer from leaving window in yoke mode.
-TODO: add thresholds and null zones
-TODO: sensitivity should be configurable at user option.
-TODO: allow differential braking (this will be useful if FlightGear
-      ever supports tail-draggers like the DC-3)
----------------------------------------------------------------------*/
-
-typedef enum {
-    MOUSE_POINTER,
-    MOUSE_YOKE,
-    MOUSE_VIEW
-} MouseMode;
-
-MouseMode mouse_mode = MOUSE_POINTER;
-
-static double aileron_sensitivity = 1.0/500.0;
-static double elevator_sensitivity = 1.0/500.0;
-static double brake_sensitivity = 1.0/250.0;
-static double throttle_sensitivity = 1.0/250.0;
-static double rudder_sensitivity = 1.0/500.0;
-static double trim_sensitivity = 1.0/1000.0;
-
-static inline void Quat0( void ) {
-    curquat[0] = _quat0[0];
-    curquat[1] = _quat0[1];
-    curquat[2] = _quat0[2];
-    curquat[3] = _quat0[3];
-}
-
-static inline int left_button( void ) {
-    return( last_buttons & (1 << GLUT_LEFT_BUTTON) );
-}
-
-static inline int middle_button( void ) {
-    return( last_buttons & (1 << GLUT_MIDDLE_BUTTON) );
-}
-
-static inline int right_button( void ) {
-    return( last_buttons & (1 << GLUT_RIGHT_BUTTON) );
-}
-
-static inline void TurnCursorOn( void )
-{
-    mouse_active = ~0;
-#if defined(WIN32_CURSOR_TWEAKS)
-    switch (mouse_mode) {
-        case MOUSE_POINTER:
-            glutSetCursor(GLUT_CURSOR_INHERIT);
-            break;
-        case MOUSE_YOKE:
-            glutSetCursor(GLUT_CURSOR_CROSSHAIR);
-            break;
-        case MOUSE_VIEW:
-            glutSetCursor(GLUT_CURSOR_LEFT_RIGHT);
-            break;
-    }
-#endif
-#if defined(X_CURSOR_TWEAKS)
-    glutWarpPointer( current_view.get_winWidth()/2, current_view.get_winHeight()/2);
-#endif
-}
-
-static inline void TurnCursorOff( void )
-{
-    mouse_active = 0;
-#if defined(WIN32_CURSOR_TWEAKS)
-    glutSetCursor(GLUT_CURSOR_NONE);
-#elif defined(X_CURSOR_TWEAKS)
-    glutWarpPointer( current_view.get_winWidth(), current_view.get_winHeight());
-#endif
-}
-
-void maybeToggleMouse( void )
-{
-#if defined(WIN32_CURSOR_TWEAKS)
-    static int first_time = ~0;
-    static int mouse_changed = 0;
-
-    if ( first_time ) {
-        if(!mouse_active) {
-            mouse_changed = ~mouse_changed;
-            TurnCursorOn();
-        }
-    } else {
-        if( mouse_mode != MOUSE_POINTER )
-            return;
-        if( mouse_changed ) {
-            mouse_changed = ~mouse_changed;
-            if(mouse_active) {
-                TurnCursorOff();
-            }
-        }
-    }
-    first_time = ~first_time;
-#endif // #ifdef WIN32
-}
-
-// Call with FALSE to init and TRUE to restore
-void BusyCursor( int restore )
-{
-    static GLenum cursor = (GLenum) 0;
-    if( restore ) {
-        glutSetCursor(cursor);
-    } else {
-        cursor = (GLenum) glutGet( (GLenum) GLUT_WINDOW_CURSOR );
-#if defined(WIN32_CURSOR_TWEAKS)
-        TurnCursorOn();
-#endif
-        glutSetCursor( GLUT_CURSOR_WAIT );
-    }
-}
-
-int guiGetMouseButton(void)
-{
-    return last_buttons;
-}
-
-void guiGetMouse(int *x, int *y)
-{
-    *x = _mX;
-    *y = _mY;
-};
-
-void guiMotionFunc ( int x, int y )
-{
-    int ww, wh, need_warp = 0;
-    float W, H;
-    double offset;
-//  FGTime *t = FGTime::cur_time_params;
-//  if( mouse_timed_out ) {
-//      if( t->get_cur_time() > mouse_off_time ) {
-//          moused_timed_out = 0;
-//          TurnCursorOn();
-//          glutPostRedisplay () ;
-//      }
-//  }
-
-    if (mouse_mode == MOUSE_POINTER) {
-        puMouse ( x, y ) ;
-        glutPostRedisplay () ;
-    } else {
-        if( x == _mX && y == _mY)
-            return;
-        
-        // reset left click MOUSE_VIEW toggle feature
-        _mVtoggle = 0;
-        
-        ww = current_view.get_winWidth();
-        wh = current_view.get_winHeight();
-        
-        switch (mouse_mode) {
-            case MOUSE_YOKE:
-                if( !mouse_joystick_control ) {
-                    mouse_joystick_control = 1;
-                    current_options.set_control_mode( fgOPTIONS::FG_MOUSE );
-                } else {
-                    if ( left_button() ) {
-                        offset = (_mX - x) * brake_sensitivity;
-                        controls.move_brake(FGControls::ALL_WHEELS, offset);
-                        offset = (_mY - y) * throttle_sensitivity;
-                        controls.move_throttle(FGControls::ALL_ENGINES, offset);
-                    } else if ( right_button() ) {
-                        if( ! current_autopilot->get_HeadingEnabled() ) {
-                            offset = (x - _mX) * rudder_sensitivity;
-                            controls.move_rudder(offset);
-                        }
-                        if( ! current_autopilot->get_AltitudeEnabled() ) {
-                            offset = (_mY - y) * trim_sensitivity;
-                            controls.move_elevator_trim(offset);
-                        }
-                    } else {
-                        if( ! current_autopilot->get_HeadingEnabled() ) {
-                            offset = (x - _mX) * aileron_sensitivity;
-                            controls.move_aileron(offset);
-                        }
-                        if( ! current_autopilot->get_AltitudeEnabled() ) {
-                            offset = (_mY - y) * elevator_sensitivity;
-                            controls.move_elevator(offset);
-                        }
-                    }
-                }
-                // Keep the mouse in the window.
-                if (x < 5 || x > ww-5 || y < 5 || y > wh-5) {
-                    x = ww / 2;
-                    y = wh / 2;
-                    need_warp = 1;
-                }
-                break;
-                
-            case MOUSE_VIEW:
-                if( y <= 0 ) {
-#define CONTRAINED_MOUSE_VIEW_Y
-#ifdef CONTRAINED_MOUSE_VIEW_Y
-                    y = 1;
-#else
-                    y = wh-2;
-#endif // CONTRAINED_MOUSE_VIEW_Y
-                    need_warp = 1;
-                } else if( y >= wh-1) {
-#ifdef CONTRAINED_MOUSE_VIEW_Y
-                    y = wh-2;
-#else
-                    y = 1;
-#endif // CONTRAINED_MOUSE_VIEW_Y
-                    need_warp = 1;
-                }
-                // wrap MOUSE_VIEW mode cursor x position
-                if ( x <= 0 ) {
-                    need_warp = 1;
-                    x = ww-2;
-                } else if ( x >= ww-1 ) {
-                    need_warp = 1;
-                    x = 1;
-                }
-                // try to get FG_PI movement in each half of screen
-                // do spherical pan
-                W = ww;
-                H = wh;
-                if( middle_button() ) {
-                    trackball(lastquat,
-                              (2.0f * _mX - W) / W,
-                              0, //(H - 2.0f * y) / H,         // 3
-                              (2.0f * x - W) / W,
-                              0 //(H - 2.0f * _mY) / H       // 1
-                             );
-                    x = _mX;
-                    y = _mY;
-                    need_warp = 1;
-                } else {
-                    trackball(lastquat,
-                              0, //(2.0f * _mX - W) / W,  // 0
-                              (H - 2.0f * y) / H,         // 3
-                              0, //(2.0f * x - W) / W,    // 2
-                              (H - 2.0f * _mY) / H        // 1 
-                             );
-                }
-                add_quats(lastquat, curquat, curquat);
-                build_rotmatrix(quat_mat, curquat);
-                
-                // do horizontal pan
-                // this could be done in above quat
-                // but requires redoing view pipeline
-                offset = current_view.get_goal_view_offset();
-                offset += ((_mX - x) * FG_2PI / W );
-                while (offset < 0.0) {
-                    offset += FG_2PI;
-                }
-                while (offset > FG_2PI) {
-                    offset -= FG_2PI;
-                }
-                current_view.set_goal_view_offset(offset);
-#ifdef NO_SMOOTH_MOUSE_VIEW
-                current_view.set_view_offset(offset);
-#endif
-                break;
-            
-            default:
-                break;
-        }
-    }
-    if( need_warp)
-        glutWarpPointer(x, y);
-    
-    // Record the new mouse position.
-    _mX = x;
-    _mY = y;
-}
-
-
-void guiMouseFunc(int button, int updown, int x, int y)
-{
-    int glutModifiers;
-
-    // private MOUSE_VIEW state variables
-    // to allow alternate left clicks in MOUSE_VIEW mode
-    // to toggle between current offsets and straight ahead
-    // uses _mVtoggle
-    static int _mVx, _mVy, _Vx, _Vy;
-    static float _quat[4];
-    static double _view_offset;
-    
-    // general purpose variables
-    double offset;
-            
-    glutModifiers = glutGetModifiers();
-    glut_active_shift = glutModifiers & GLUT_ACTIVE_SHIFT;
-    glut_active_ctrl  = glutModifiers & GLUT_ACTIVE_CTRL; 
-    glut_active_alt   = glutModifiers & GLUT_ACTIVE_ALT;
-    
-    // Was the left button pressed?
-    if (updown == GLUT_DOWN ) {
-        if( button == GLUT_LEFT_BUTTON)
-        {
-            switch (mouse_mode) {
-                case MOUSE_POINTER:
-                    break;
-                case MOUSE_YOKE:
-                    break;
-                case MOUSE_VIEW:
-                    if(_mVtoggle) {
-                        // resume previous view offsets
-                        _mX = _mVx;
-                        _mY = _mVy;
-                        x = _Vx;
-                        y = _Vy;
-                        curquat[0] = _quat[0];
-                        curquat[1] = _quat[1];
-                        curquat[2] = _quat[2];
-                        curquat[3] = _quat[3];
-                        current_view.set_goal_view_offset(_view_offset);
-#ifdef NO_SMOOTH_MOUSE_VIEW
-                        current_view.set_view_offset(_view_offset);
-#endif
-                    } else {
-                        // center view
-                        _mVx = _mX;
-                        _mVy = _mY;
-                        _Vx = x;
-                        _Vy = y;
-                        _quat[0] = curquat[0];
-                        _quat[1] = curquat[1];
-                        _quat[2] = curquat[2];
-                        _quat[3] = curquat[3];
-                        x = current_view.get_winWidth()/2;
-                        y = current_view.get_winHeight()/2;
-                        Quat0();
-                        _view_offset = current_view.get_goal_view_offset();
-                        current_view.set_goal_view_offset(0.0);
-#ifdef NO_SMOOTH_MOUSE_VIEW
-                        current_view.set_view_offset(0.0);
-#endif
-                    }
-                    glutWarpPointer( x , y);
-                    build_rotmatrix(quat_mat, curquat);
-                    _mVtoggle = ~_mVtoggle;
-                    break;
-            }
-        }else if ( button == GLUT_RIGHT_BUTTON) {
-            switch (mouse_mode) {
-                case MOUSE_POINTER:
-                    mouse_mode = MOUSE_YOKE;
-                    mouse_joystick_control = 0;
-                    _savedX = x;
-                    _savedY = y;
-                    // start with zero point in center of screen
-                    _mX = current_view.get_winWidth()/2;
-                    _mY = current_view.get_winHeight()/2;
-                    
-                    // try to have the MOUSE_YOKE position
-                    // reflect the current stick position
-                    offset = controls.get_aileron();
-                    x = _mX - (int)(offset * aileron_sensitivity);
-                    offset = controls.get_elevator();
-                    y = _mY - (int)(offset * elevator_sensitivity);
-                    
-                    glutSetCursor(GLUT_CURSOR_CROSSHAIR);
-                    FG_LOG( FG_INPUT, FG_INFO, "Mouse in yoke mode" );
-                    break;
-                    
-                case MOUSE_YOKE:
-                    mouse_mode = MOUSE_VIEW;
-                    current_options.set_control_mode( fgOPTIONS::FG_JOYSTICK );
-                    x = current_view.get_winWidth()/2;
-                    y = current_view.get_winHeight()/2;
-                    _mVtoggle = 0;
-                    Quat0();
-                    build_rotmatrix(quat_mat, curquat);
-                    glutSetCursor(GLUT_CURSOR_LEFT_RIGHT);
-                    FG_LOG( FG_INPUT, FG_INFO, "Mouse in view mode" );
-                    break;
-                    
-                case MOUSE_VIEW:
-                    mouse_mode = MOUSE_POINTER;
-                    x = _savedX;
-                    y = _savedY;
-#ifdef RESET_VIEW_ON_LEAVING_MOUSE_VIEW
-                    Quat0();
-                    build_rotmatrix(quat_mat, curquat);
-                    current_view.set_goal_view_offset(0.0);
-#ifdef NO_SMOOTH_MOUSE_VIEW
-                    current_view.set_view_offset(0.0);
-#endif
-#endif      // RESET_VIEW_ON_LEAVING_MOUSE_VIEW
-                    glutSetCursor(GLUT_CURSOR_INHERIT);
-                    
-                    if(!menu_on)
-                        TurnCursorOff();
-                    
-                    FG_LOG( FG_INPUT, FG_INFO, "Mouse in pointer mode" );
-                    break;
-            }     
-            glutWarpPointer( x, y );
-        } // END RIGHT BUTTON
-    } // END UPDOWN == GLUT_DOWN
-    
-    // Note which button is pressed.
-    if ( updown == GLUT_DOWN ) {
-        last_buttons |=  ( 1 << button ) ;
-    } else {
-        last_buttons &= ~( 1 << button ) ;
-    }
-    
-    // If we're in pointer mode, let PUI
-    // know what's going on.
-    if (mouse_mode == MOUSE_POINTER) {
-      if (!puMouse (button, updown, x,y)) {
-	current_panel->doMouseAction(button, updown, x, y);
-      }
-    }
-    
-    // Register the new position (if it
-    // hasn't been registered already).
-    _mX = x;
-    _mY = y;
-    
-    glutPostRedisplay ();
-}
-
-/* ================ General Purpose Functions ================ */
-
-// Intercept the Escape Key
-void ConfirmExitDialog(void)
-{
-    FG_PUSH_PUI_DIALOG( YNdialogBox );
-}
-
-// General Purpose Message Box
-void mkDialog (const char *txt)
-{
-    strncpy(global_dialog_string, txt, 256);
-    dialogBoxMessage->setLabel(global_dialog_string);
-    FG_PUSH_PUI_DIALOG( dialogBox );
-}
-
-// Repair any damage done to the Panel by other Gui Items
-void guiFixPanel( void )
-{
-    int toggle_pause;
-
-    if ( current_options.get_panel_status() ) {
-        // FGView *v = &current_view;
-        FGTime *t = FGTime::cur_time_params;
-
-        if( (toggle_pause = !t->getPause()) )
-            t->togglePauseMode();
-
-        if(toggle_pause)
-            t->togglePauseMode();
-    }
-}
-
-// Toggle the Menu and Mouse display state
-void guiToggleMenu(void)
-{
-    if( menu_on ) {
-        // printf("Hiding Menu\n");
-        mainMenuBar->hide  ();
-#if defined(WIN32_CURSOR_TWEAKS)
-        if( mouse_mode == MOUSE_POINTER )
-            TurnCursorOff();
-#endif // #ifdef WIN32_CURSOR_TWEAKS
-    } else {
-        // printf("Showing Menu\n");
-        mainMenuBar->reveal();
-#ifdef WIN32
-        TurnCursorOn();
-#endif // #ifdef WIN32
-    }
-    menu_on = ~menu_on;
-}
-    
-/* -----------------------------------------------------------------------
-the Gui callback functions 
-____________________________________________________________________*/
-
-static void saveFlight(puObject *cv)
-{
-    BusyCursor(0);
-    ofstream output("fgfs.sav");
-    if (output.good() && fgSaveFlight(output)) {
-      output.close();
-      mkDialog("Saved flight to ./fgfs.sav");
-      FG_LOG(FG_INPUT, FG_INFO, "Saved flight to fgfs.sav");
-    } else {
-      mkDialog("Cannot save flight to ./fgfs.sav");
-      FG_LOG(FG_INPUT, FG_ALERT, "Cannot save flight to fgfs.sav");
-    }
-    BusyCursor(1);
-}
-
-static void loadFlight(puObject *cb)
-{
-    BusyCursor(0);
-    ifstream input("fgfs.sav");
-    if (input.good() && fgLoadFlight(input)) {
-      input.close();
-      mkDialog("Loaded flight from fgfs.sav");
-      FG_LOG(FG_INPUT, FG_INFO, "Restored flight from ./fgfs.sav");
-    } else {
-      mkDialog("Failed to load flight from fgfs.sav");
-      FG_LOG(FG_INPUT, FG_ALERT, "Cannot load flight from ./fgfs.sav");
-    }
-    BusyCursor(1);
-}
-
-void reInit(puObject *cb)
-{
-    BusyCursor(0);
-    Quat0();
-    build_rotmatrix(quat_mat, curquat);
-    fgReInitSubsystems();
-    BusyCursor(1);
-}
-
-static void toggleClouds(puObject *cb)
-{
-    FGBFI::setClouds(!FGBFI::getClouds());
-}
-	
-// This is the accessor function
-void guiTogglePanel(puObject *cb)
-{
-    current_options.toggle_panel();
-}
-    
-//void MenuHideMenuCb(puObject *cb)
-void hideMenuCb (puObject *cb)
-{
-    guiToggleMenu();
-}
-
-void goodBye(puObject *)
-{
-    // FG_LOG( FG_INPUT, FG_ALERT,
-    //      "Program exiting normally at user request." );
-    cout << "Program exiting normally at user request." << endl;
-
-#ifdef FG_NETWORK_OLK    
-    if ( current_options.get_network_olk() ) {
-	if ( net_is_registered == 0 ) fgd_send_com( "8", FGFS_host);
-    }
-#endif
-
-    //  if(gps_bug)
-    //      fclose(gps_bug);
-
-    exit(-1);
-}
 
+/* -------------------------------------------------------------------------
+init the gui
+_____________________________________________________________________*/
 
-void goAwayCb (puObject *me)
+namespace
 {
-    FG_POP_PUI_DIALOG( dialogBox );
-}
-
-void mkDialogInit (void)
+class GUIInitOperation : public GraphicsContextOperation
 {
-    //  printf("mkDialogInit\n");
-    int x = (current_options.get_xsize()/2 - 400/2);
-    int y = (current_options.get_ysize()/2 - 100/2);
-    dialogBox = new puDialogBox (x, y); // 150, 50
+public:
+    GUIInitOperation() : GraphicsContextOperation(std::string("GUI init"))
     {
-        dialogFrame = new puFrame (0,0,400,100);
-        dialogBoxMessage  =  new puText         (10, 70);
-        dialogBoxMessage  -> setLabel           ("");
-        dialogBoxOkButton =  new puOneShot      (180, 10, 240, 50);
-        dialogBoxOkButton -> setLegend          (gui_msg_OK);
-        dialogBoxOkButton -> makeReturnDefault  (TRUE );
-        dialogBoxOkButton -> setCallback        (goAwayCb);
     }
-    FG_FINALIZE_PUI_DIALOG( dialogBox );
-}
-
-void MayBeGoodBye(puObject *)
-{
-    ConfirmExitDialog(); 
-}
-
-void goAwayYesNoCb(puObject *me)
-{
-    FG_POP_PUI_DIALOG( YNdialogBox);
-}
-
-void ConfirmExitDialogInit(void)
-{
-    char msg[] = "Really Quit";
-    char *s;
-
-    //  printf("ConfirmExitDialogInit\n");
-    int len = 200 - puGetStringWidth( puGetDefaultLabelFont(), msg )/2;
-
-    int x = (current_options.get_xsize()/2 - 400/2);
-    int y = (current_options.get_ysize()/2 - 100/2);
-	
-    YNdialogBox = new puDialogBox (x, y); // 150, 50
-    //  YNdialogBox = new puDialogBox (150, 50);
+    void run(osg::GraphicsContext* gc)
     {
-        YNdialogFrame = new puFrame (0,0,400, 100);
-        
-        YNdialogBoxMessage  =  new puText         (len, 70);
-        YNdialogBoxMessage  -> setDefaultValue    (msg);
-        YNdialogBoxMessage  -> getDefaultValue    (&s);
-        YNdialogBoxMessage  -> setLabel           (s);
-        
-        YNdialogBoxOkButton =  new puOneShot      (100, 10, 160, 50);
-        YNdialogBoxOkButton -> setLegend          (gui_msg_OK);
-        YNdialogBoxOkButton -> makeReturnDefault  (TRUE );
-        YNdialogBoxOkButton -> setCallback        (goodBye);
-        
-        YNdialogBoxNoButton =  new puOneShot      (240, 10, 300, 50);
-        YNdialogBoxNoButton -> setLegend          (gui_msg_NO);
-        YNdialogBoxNoButton -> setCallback        (goAwayYesNoCb);
-    }
-    FG_FINALIZE_PUI_DIALOG( YNdialogBox );
-}
-
-void notCb (puObject *)
-{
-    mkDialog ("This function isn't implemented yet");
-}
-
-void helpCb (puObject *)
-{
-    string command;
-	
-#if defined(FX) && !defined(WIN32)
-#  if defined(XMESA_FX_FULLSCREEN) && defined(XMESA_FX_WINDOW)
-    if ( global_fullscreen ) {
-        global_fullscreen = false;
-        XMesaSetFXmode( XMESA_FX_WINDOW );
-    }
-#  endif
-#endif
-	
-#if !defined(WIN32)
-    string url = "http://www.flightgear.org/Docs/InstallGuide/getstart.html";
-	
-    if ( system("xwininfo -name Netscape > /dev/null 2>&1") == 0 ) {
-        command = "netscape -remote \"openURL(" + url + ")\" &";
-    } else {
-        command = "netscape " + url + " &";
-    }
-#else
-    command = "webrun.bat";
-#endif
-	
-    system( command.c_str() );
-    //string text = "Help started in netscape window.";
-
-    //mkDialog (text.c_str());
-    mkDialog ("Help started in netscape window.");
-}
-
-#if defined( WIN32 ) && !defined( __CYGWIN__)
-
-static void rotateView( double roll, double pitch, double yaw )
-{
-	// rotate view
-}
-
-static GlBitmap *b1 = NULL;
-extern FGInterface cur_view_fdm;
-GLubyte *hiResScreenCapture( int multiplier )
-{
-	float oldfov = current_options.get_fov();
-	float fov = oldfov / multiplier;
-	FGView *v = &current_view;
-	current_options.set_fov(fov);
-	v->force_update_fov_math();
-    fgInitVisuals();
-    int cur_width = current_view.get_winWidth( );
-    int cur_height = current_view.get_winHeight( );
-	if (b1) delete( b1 );
-	// New empty (mostly) bitmap
-	b1 = new GlBitmap( GL_RGB, 1, 1, (unsigned char *)"123" );
-	int x,y;
-	for ( y = 0; y < multiplier; y++ )
-	{
-		for ( x = 0; x < multiplier; x++ )
-		{
-			fgReshape( cur_width, cur_height );
-			// pan to tile
-			rotateView( 0, (y*fov)-((multiplier-1)*fov/2), (x*fov)-((multiplier-1)*fov/2) );
-			fgRenderFrame();
-			// restore view
-			GlBitmap b2;
-			b1->copyBitmap( &b2, cur_width*x, cur_height*y );
-		}
-	}
-	current_view.UpdateViewParams(cur_view_fdm);
-	current_options.set_fov(oldfov);
-	v->force_update_fov_math();
-	return b1->getBitmap();
-}
-#endif
-
-
-#if defined( WIN32 ) && !defined( __CYGWIN__)
-// win32 print screen function
-void printScreen ( puObject *obj ) {
-    bool show_pu_cursor = false;
-    TurnCursorOff();
-    if ( !puCursorIsHidden() ) {
-	show_pu_cursor = true;
-	puHideCursor();
-    }
-    BusyCursor( 0 );
-    mainMenuBar->hide();
-
-    CGlPrinter p( CGlPrinter::PRINT_BITMAP );
-    int cur_width = current_view.get_winWidth( );
-    int cur_height = current_view.get_winHeight( );
-    p.Begin( "FlightGear", cur_width*3, cur_height*3 );
-	p.End( hiResScreenCapture(3) );
-
-    if( menu_on ) {
-	mainMenuBar->reveal();
-    }
-    BusyCursor(1);
-    if ( show_pu_cursor ) {
-	puShowCursor();
-    }
-    TurnCursorOn();
-}
-#endif // #ifdef WIN32
-
-
-void dumpSnapShot ( puObject *obj ) {
-    fgDumpSnapShot();
-}
-
-
-// do a screen snap shot
-void fgDumpSnapShot () {
-    bool show_pu_cursor = false;
-
-    mainMenuBar->hide();
-    TurnCursorOff();
-    if ( !puCursorIsHidden() ) {
-	show_pu_cursor = true;
-	puHideCursor();
-    }
-
-    fgInitVisuals();
-    fgReshape( current_options.get_xsize(), current_options.get_ysize() );
-
-    // we need two render frames here to clear the menu and cursor
-    // ... not sure why but doing an extra fgFenderFrame() shoulnd't
-    // hurt anything
-    fgRenderFrame();
-    fgRenderFrame();
-
-    my_glDumpWindow( "fgfs-screen.ppm", 
-		     current_options.get_xsize(), 
-		     current_options.get_ysize() );
-    
-    mkDialog ("Snap shot saved to fgfs-screen.ppm");
-
-    if ( show_pu_cursor ) {
-	puShowCursor();
-    }
-
-    TurnCursorOn();
-    if( menu_on ) {
-	mainMenuBar->reveal();
-    }
-
-}
-
-
-/// The beginnings of teleportation :-)
-//  Needs cleaning up but works
-//  These statics should disapear when this is a class
-static puDialogBox     *AptDialog = 0;
-static puFrame         *AptDialogFrame = 0;
-static puText          *AptDialogMessage = 0;
-static puInput         *AptDialogInput = 0;
-
-static char NewAirportId[16];
-static char NewAirportLabel[] = "Enter New Airport ID"; 
-
-static puOneShot       *AptDialogOkButton = 0;
-static puOneShot       *AptDialogCancelButton = 0;
-static puOneShot       *AptDialogResetButton = 0;
-
-void AptDialog_Cancel(puObject *)
-{
-    FG_POP_PUI_DIALOG( AptDialog );
-}
-
-void AptDialog_OK (puObject *)
-{
-    FGPath path( current_options.get_fg_root() );
-    path.append( "Airports" );
-    path.append( "simple.gdbm" );
-    FGAirports airports( path.c_str() );
-    FGAirport a;
-    
-    FGTime *t = FGTime::cur_time_params;
-    int PauseMode = t->getPause();
-    if(!PauseMode)
-        t->togglePauseMode();
-
-    char *s;
-    AptDialogInput->getValue(&s);
-    string AptId(s);
-
-	cout << "AptDialog_OK " << AptId << " " << AptId.length() << endl;
-    
-    AptDialog_Cancel( NULL );
-    
-    if ( AptId.length() ) {
-        // set initial position from airport id
-        FG_LOG( FG_GENERAL, FG_INFO,
-                "Attempting to set starting position from airport code "
-                << AptId );
-
-        if ( airports.search( AptId, &a ) )
-        {
-            current_options.set_airport_id( AptId.c_str() );
-            BusyCursor(0);
-            fgReInitSubsystems();
-            BusyCursor(1);
+        WindowSystemAdapter* wsa = WindowSystemAdapter::getWSA();
+        wsa->puInitialize();
+        puSetDefaultStyle         ( PUSTYLE_SMALL_SHADED ); //PUSTYLE_DEFAULT
+        puSetDefaultColourScheme  (0.8, 0.8, 0.9, 1);
+
+        FGFontCache *fc = globals->get_fontcache();
+        fc->initializeFonts();
+        puFont *GuiFont
+            = fc->get(globals->get_locale()->getStringValue("font",
+                                                            "typewriter.txf"),
+                      15);
+        puSetDefaultFonts(*GuiFont, *GuiFont);
+        guiFnt = puGetDefaultLabelFont();
+
+        LayoutWidget::setDefaultFont(GuiFont, 15);
+  
+        if (!fgHasNode("/sim/startup/mouse-pointer")) {
+            // no preference specified for mouse pointer
+        } else if ( !fgGetBool("/sim/startup/mouse-pointer") ) {
+            // don't show pointer
         } else {
-            AptId  += " not in database.";
-            mkDialog(AptId.c_str());
+            // force showing pointer
+            puShowCursor();
         }
     }
-    if( PauseMode != t->getPause() )
-        t->togglePauseMode();
-}
-
-void AptDialog_Reset(puObject *)
-{
-    //  strncpy( NewAirportId, current_options.get_airport_id().c_str(), 16 );
-    sprintf( NewAirportId, "%s", current_options.get_airport_id().c_str() );
-    AptDialogInput->setValue ( NewAirportId );
-    AptDialogInput->setCursor( 0 ) ;
-}
-
-void NewAirport(puObject *cb)
-{
-    //  strncpy( NewAirportId, current_options.get_airport_id().c_str(), 16 );
-    sprintf( NewAirportId, "%s", current_options.get_airport_id().c_str() );
-//	cout << "NewAirport " << NewAirportId << endl;
-    AptDialogInput->setValue( NewAirportId );
-
-    FG_PUSH_PUI_DIALOG( AptDialog );
-}
-
-static void NewAirportInit(void)
-{
-    sprintf( NewAirportId, "%s", current_options.get_airport_id().c_str() );
-    int len = 150 - puGetStringWidth( puGetDefaultLabelFont(),
-                                      NewAirportLabel ) / 2;
-
-    AptDialog = new puDialogBox (150, 50);
-    {
-        AptDialogFrame   = new puFrame           (0,0,350, 150);
-        AptDialogMessage = new puText            (len, 110);
-        AptDialogMessage ->    setLabel          (NewAirportLabel);
-
-        AptDialogInput   = new puInput           (50, 70, 300, 100);
-        AptDialogInput   ->    setValue          (NewAirportId);
-        AptDialogInput   ->    acceptInput();
-
-        AptDialogOkButton     =  new puOneShot   (50, 10, 110, 50);
-        AptDialogOkButton     ->     setLegend   (gui_msg_OK);
-        AptDialogOkButton     ->     setCallback (AptDialog_OK);
-        AptDialogOkButton     ->     makeReturnDefault(TRUE);
-
-        AptDialogCancelButton =  new puOneShot   (140, 10, 210, 50);
-        AptDialogCancelButton ->     setLegend   (gui_msg_CANCEL);
-        AptDialogCancelButton ->     setCallback (AptDialog_Cancel);
-
-        AptDialogResetButton  =  new puOneShot   (240, 10, 300, 50);
-        AptDialogResetButton  ->     setLegend   (gui_msg_RESET);
-        AptDialogResetButton  ->     setCallback (AptDialog_Reset);
-    }
-	cout << "NewAirportInit " << NewAirportId << endl;
-    FG_FINALIZE_PUI_DIALOG( AptDialog );
-}
-
-#ifdef FG_NETWORK_OLK
-
-/// The beginnings of networking :-)
-//  Needs cleaning up but works
-//  These statics should disapear when this is a class
-static puDialogBox     *NetIdDialog = 0;
-static puFrame         *NetIdDialogFrame = 0;
-static puText          *NetIdDialogMessage = 0;
-static puInput         *NetIdDialogInput = 0;
-
-static char NewNetId[16];
-static char NewNetIdLabel[] = "Enter New Callsign"; 
-extern char *fgd_callsign;
-
-static puOneShot       *NetIdDialogOkButton = 0;
-static puOneShot       *NetIdDialogCancelButton = 0;
-
-void NetIdDialog_Cancel(puObject *)
-{
-    FG_POP_PUI_DIALOG( NetIdDialog );
-}
-
-void NetIdDialog_OK (puObject *)
-{
-    string NetId;
-    
-    FGTime *t = FGTime::cur_time_params;
-    int PauseMode = t->getPause();
-    if(!PauseMode)
-        t->togglePauseMode();
-/*  
-   The following needs some cleanup because 
-   "string options.NetId" and "char *net_callsign" 
-*/
-    NetIdDialogInput->getValue(&net_callsign);
-    NetId = net_callsign;
-    
-    NetIdDialog_Cancel( NULL );
-    current_options.set_net_id( NetId.c_str() );
-    strcpy( fgd_callsign, net_callsign);
-//    strcpy( fgd_callsign, current_options.get_net_id().c_str());
-/* Entering a callsign indicates : user wants Net HUD Info */
-    net_hud_display = 1;
-
-    if( PauseMode != t->getPause() )
-        t->togglePauseMode();
-}
-
-void NewCallSign(puObject *cb)
-{
-    sprintf( NewNetId, "%s", current_options.get_net_id().c_str() );
-//    sprintf( NewNetId, "%s", fgd_callsign );
-    NetIdDialogInput->setValue( NewNetId );
-
-    FG_PUSH_PUI_DIALOG( NetIdDialog );
-}
-
-static void NewNetIdInit(void)
-{
-    sprintf( NewNetId, "%s", current_options.get_net_id().c_str() );
-//    sprintf( NewNetId, "%s", fgd_callsign );
-    int len = 150 - puGetStringWidth( puGetDefaultLabelFont(),
-                                      NewNetIdLabel ) / 2;
-
-    NetIdDialog = new puDialogBox (150, 50);
-    {
-        NetIdDialogFrame   = new puFrame           (0,0,350, 150);
-        NetIdDialogMessage = new puText            (len, 110);
-        NetIdDialogMessage ->    setLabel          (NewNetIdLabel);
-
-        NetIdDialogInput   = new puInput           (50, 70, 300, 100);
-        NetIdDialogInput   ->    setValue          (NewNetId);
-        NetIdDialogInput   ->    acceptInput();
-
-        NetIdDialogOkButton     =  new puOneShot   (50, 10, 110, 50);
-        NetIdDialogOkButton     ->     setLegend   (gui_msg_OK);
-        NetIdDialogOkButton     ->     setCallback (NetIdDialog_OK);
-        NetIdDialogOkButton     ->     makeReturnDefault(TRUE);
-
-        NetIdDialogCancelButton =  new puOneShot   (240, 10, 300, 50);
-        NetIdDialogCancelButton ->     setLegend   (gui_msg_CANCEL);
-        NetIdDialogCancelButton ->     setCallback (NetIdDialog_Cancel);
-
-    }
-    FG_FINALIZE_PUI_DIALOG( NetIdDialog );
-}
-
-static void net_display_toggle( puObject *cb)
-{
-	net_hud_display = (net_hud_display) ? 0 : 1;
-        printf("Toggle net_hud_display : %d\n", net_hud_display);
-}
-
-static void net_register( puObject *cb)
-{
-	fgd_send_com( "1", FGFS_host );
-        net_is_registered = 0;
-        printf("Registering to deamon\n");
-}
-
-static void net_unregister( puObject *cb)
-{
-	fgd_send_com( "8", FGFS_host );
-        net_is_registered = -1;
-        printf("Unregistering from deamon\n");
-}
-
-
-/*************** Deamon communication **********/
-
-//  These statics should disapear when this is a class
-static puDialogBox     *NetFGDDialog = 0;
-static puFrame         *NetFGDDialogFrame = 0;
-static puText          *NetFGDDialogMessage = 0;
-//static puInput         *NetFGDDialogInput = 0;
-
-//static char NewNetId[16];
-static char NewNetFGDLabel[] = "Scan for deamon                        "; 
-static char NewFGDHost[64] = "olk.mcp.de"; 
-static int  NewFGDPortLo = 10000;
-static int  NewFGDPortHi = 10001;
- 
-//extern char *fgd_callsign;
-extern u_short base_port, end_port;
-extern int fgd_ip, verbose, current_port;
-extern char *fgd_host;
-
-
-static puOneShot       *NetFGDDialogOkButton = 0;
-static puOneShot       *NetFGDDialogCancelButton = 0;
-static puOneShot       *NetFGDDialogScanButton = 0;
-
-static puInput         *NetFGDHostDialogInput = 0;
-static puInput         *NetFGDPortLoDialogInput = 0;
-static puInput         *NetFGDPortHiDialogInput = 0;
-
-void NetFGDDialog_Cancel(puObject *)
-{
-    FG_POP_PUI_DIALOG( NetFGDDialog );
-}
-
-void NetFGDDialog_OK (puObject *)
-{
-    char *NetFGD;    
-
-    FGTime *t = FGTime::cur_time_params;
-    int PauseMode = t->getPause();
-    if(!PauseMode) t->togglePauseMode();
-    NetFGDHostDialogInput->getValue( &NetFGD );
-    strcpy( fgd_host, NetFGD);
-    NetFGDPortLoDialogInput->getValue( (int *) &base_port );
-    NetFGDPortHiDialogInput->getValue( (int *) &end_port );
-    NetFGDDialog_Cancel( NULL );
-    if( PauseMode != t->getPause() )
-        t->togglePauseMode();
-}
-
-void NetFGDDialog_SCAN (puObject *)
-{
-    char *NetFGD;
-    int fgd_port;
-    
-    FGTime *t = FGTime::cur_time_params;
-    int PauseMode = t->getPause();
-    if(!PauseMode) t->togglePauseMode();
-//    printf("Vor getvalue %s\n");
-    NetFGDHostDialogInput->getValue( &NetFGD );
-//    printf("Vor strcpy %s\n", (char *) NetFGD);
-    strcpy( fgd_host, NetFGD);
-    NetFGDPortLoDialogInput->getValue( (int *) &base_port );
-    NetFGDPortHiDialogInput->getValue( (int *) &end_port );
-    printf("FGD: %s  Port-Start: %d Port-End: %d\n", fgd_host, 
-                 base_port, end_port);
-    net_resolv_fgd(fgd_host);
-    printf("Resolve : %d\n", net_r);
-    if( PauseMode != t->getPause() )  t->togglePauseMode();
-    if ( net_r == 0 ) {
-      fgd_port = 10000;
-      strcpy( fgd_name, "");
-      for( current_port = base_port; ( current_port <= end_port); current_port++) {
-          fgd_send_com("0" , FGFS_host);
-          sprintf( NewNetFGDLabel , "Scanning for deamon Port: %d", current_port); 
-          printf("FGD: searching %s\n", fgd_name);
-          if ( strcmp( fgd_name, "") != 0 ) {
-             sprintf( NewNetFGDLabel , "Found %s at Port: %d", 
-                                              fgd_name, current_port);
-             fgd_port = current_port;
-             current_port = end_port+1;
-          }
-      }
-      current_port = end_port = base_port = fgd_port;
-    }
-    NetFGDDialog_Cancel( NULL );
-}
-
-
-void net_fgd_scan(puObject *cb)
-{
-    NewFGDPortLo = base_port;
-    NewFGDPortHi = end_port;
-    strcpy( NewFGDHost, fgd_host);
-    NetFGDPortLoDialogInput->setValue( NewFGDPortLo );
-    NetFGDPortHiDialogInput->setValue( NewFGDPortHi );
-    NetFGDHostDialogInput->setValue( NewFGDHost );
-
-    FG_PUSH_PUI_DIALOG( NetFGDDialog );
-}
-
-
-static void NewNetFGDInit(void)
-{
-//    sprintf( NewNetId, "%s", current_options.get_net_id().c_str() );
-//    sprintf( NewNetId, "%s", fgd_callsign );
-    int len = 170 - puGetStringWidth( puGetDefaultLabelFont(),
-                                      NewNetFGDLabel ) / 2;
-
-    NetFGDDialog = new puDialogBox (310, 30);
-    {
-        NetFGDDialogFrame   = new puFrame           (0,0,320, 170);
-        NetFGDDialogMessage = new puText            (len, 140);
-        NetFGDDialogMessage ->    setLabel          (NewNetFGDLabel);
-
-        NetFGDPortLoDialogInput   = new puInput           (50, 70, 127, 100);
-        NetFGDPortLoDialogInput   ->    setValue          (NewFGDPortLo);
-        NetFGDPortLoDialogInput   ->    acceptInput();
-
-        NetFGDPortHiDialogInput   = new puInput           (199, 70, 275, 100);
-        NetFGDPortHiDialogInput   ->    setValue          (NewFGDPortHi);
-        NetFGDPortHiDialogInput   ->    acceptInput();
-
-        NetFGDHostDialogInput   = new puInput           (50, 100, 275, 130);
-        NetFGDHostDialogInput   ->    setValue          (NewFGDHost);
-        NetFGDHostDialogInput   ->    acceptInput();
-
-        NetFGDDialogScanButton     =  new puOneShot   (130, 10, 200, 50);
-        NetFGDDialogScanButton     ->     setLegend   ("Scan");
-        NetFGDDialogScanButton     ->     setCallback (NetFGDDialog_SCAN);
-        NetFGDDialogScanButton     ->     makeReturnDefault(FALSE);
-
-        NetFGDDialogOkButton     =  new puOneShot   (50, 10, 120, 50);
-        NetFGDDialogOkButton     ->     setLegend   (gui_msg_OK);
-        NetFGDDialogOkButton     ->     setCallback (NetFGDDialog_OK);
-        NetFGDDialogOkButton     ->     makeReturnDefault(TRUE);
-
-        NetFGDDialogCancelButton =  new puOneShot   (210, 10, 280, 50);
-        NetFGDDialogCancelButton ->     setLegend   (gui_msg_CANCEL);
-        NetFGDDialogCancelButton ->     setCallback (NetFGDDialog_Cancel);
-
-    }
-    FG_FINALIZE_PUI_DIALOG( NetFGDDialog );
-}
-
-/*
-static void net_display_toggle( puObject *cb)
-{
-	net_hud_display = (net_hud_display) ? 0 : 1;
-        printf("Toggle net_hud_display : %d\n", net_hud_display);
-}
-
-*/
-
-#endif
-
-/***************  End Networking  **************/
-
-
-
-/* -----------------------------------------------------------------------
-The menu stuff 
----------------------------------------------------------------------*/
-char *fileSubmenu               [] = {
-    "Exit", /* "Close", "---------", */
-#if defined( WIN32 ) && !defined( __CYGWIN__)
-    "Print",
-#endif
-    "Snap Shot",
-    "---------", 
-    "Reset", 
-    "Load flight",
-    "Save flight",
-    NULL
-};
-puCallback fileSubmenuCb        [] = {
-    MayBeGoodBye, /* hideMenuCb, NULL, */
-#if defined( WIN32 ) && !defined( __CYGWIN__)
-    printScreen, 
-#endif
-    /* NULL, notCb, */
-    dumpSnapShot,
-    NULL,
-    reInit, 
-    loadFlight,
-    saveFlight,
-    NULL
-};
-
-/*
-char *editSubmenu               [] = {
-    "Edit text", NULL
-};
-puCallback editSubmenuCb        [] = {
-    notCb, NULL
-};
-*/
-
-extern void fgHUDalphaAdjust( puObject * );
-char *viewSubmenu               [] = {
-    "HUD Alpha",
-    /* "Cockpit View > ", "View >","------------", */
-    "Toggle Panel...", NULL
-};
-puCallback viewSubmenuCb        [] = {
-    fgHUDalphaAdjust,
-    /* notCb, notCb, NULL, */
-    guiTogglePanel, NULL
-};
-
-char *aircraftSubmenu           [] = {
-    "Autopilot", "Heading", "Altitude", "Navigation", "Airport", 
-    /* "Communication", */ NULL
-};
-puCallback aircraftSubmenuCb    [] = {
-    fgAPAdjust, NewHeading, NewAltitude, fgLatLonFormatToggle, NewTgtAirport, 
-    /* notCb, */ NULL
-};
-
-char *environmentSubmenu        [] = {
-    "Toggle Clouds",
-    "Goto Airport", /* "Terrain", "Weather", */ NULL
-};
-puCallback environmentSubmenuCb [] = {
-    toggleClouds,
-    NewAirport, /* notCb, notCb, */ NULL
-};
-
-/*
-char *optionsSubmenu            [] = {
-    "Preferences", "Realism & Reliablity...", NULL
 };
-puCallback optionsSubmenuCb     [] = {
-    notCb, notCb, NULL
-};
-*/
-
-#ifdef FG_NETWORK_OLK
-char *networkSubmenu            [] = {
-    "Unregister from FGD ", /* "Send MSG to All", "Send MSG", "Show Pilots", */
-    "Register to FGD",
-    "Scan for Deamons", "Enter Callsign", /* "Display Netinfos", */
-    "Toggle Display", NULL
-};
-puCallback networkSubmenuCb     [] = {
-    /* notCb, notCb, notCb, notCb, */ 
-    net_unregister, 
-    net_register, 
-    net_fgd_scan, NewCallSign, 
-    net_display_toggle, NULL
-};
-#endif
-
-char *helpSubmenu               [] = {
-    /* "About...", */ "Help", NULL
-};
-puCallback helpSubmenuCb        [] = {
-    /* notCb, */ helpCb, NULL
-};
-
-
-/* -------------------------------------------------------------------------
-init the gui
-_____________________________________________________________________*/
-
-
-void guiInit()
-{
-    char *mesa_win_state;
-
-    // Initialize PUI
-    puInit();
-    puSetDefaultStyle         ( PUSTYLE_SMALL_BEVELLED ); //PUSTYLE_DEFAULT
-    puSetDefaultColourScheme  (0.8, 0.8, 0.8, 0.4);
-
-    // Initialize our GLOBAL GUI STRINGS
-    gui_msg_OK     = msg_OK;     // "OK"
-    gui_msg_NO     = msg_NO;     // "NO"
-    gui_msg_YES    = msg_YES;    // "YES"
-    gui_msg_CANCEL = msg_CANCEL; // "CANCEL"
-    gui_msg_RESET  = msg_RESET;  // "RESET"
-
-    // Next check home directory
-    FGPath fntpath;
-    char* envp = ::getenv( "FG_FONTS" );
-    if ( envp != NULL ) {
-        fntpath.set( envp );
-    } else {
-        fntpath.set( current_options.get_fg_root() );
-	fntpath.append( "Fonts" );
-    }
-
-    // Install our fast fonts
-    fntpath.append( "typewriter.txf" );
-    guiFntHandle = new fntTexFont ;
-    guiFntHandle -> load ( (char *)fntpath.c_str() ) ;
-    puFont GuiFont ( guiFntHandle, 15 ) ;
-    puSetDefaultFonts( GuiFont, GuiFont ) ;
-    guiFnt = puGetDefaultLabelFont();
-  
-    if ( current_options.get_mouse_pointer() == 0 ) {
-        // no preference specified for mouse pointer, attempt to autodetect...
-        // Determine if we need to render the cursor, or if the windowing
-        // system will do it.  First test if we are rendering with glide.
-        if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
-            // Test for the MESA_GLX_FX env variable
-            if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
-                // test if we are fullscreen mesa/glide
-                if ( (mesa_win_state[0] == 'f') ||
-                     (mesa_win_state[0] == 'F') ) {
-                    puShowCursor ();
-                }
-            }
-        }
-        mouse_active = ~mouse_active;
-    } else if ( current_options.get_mouse_pointer() == 1 ) {
-        // don't show pointer
-    } else if ( current_options.get_mouse_pointer() == 2 ) {
-        // force showing pointer
-        puShowCursor();
-        mouse_active = ~mouse_active;
-    }
-	
-    // MOUSE_VIEW mode stuff
-    trackball(_quat0, 0.0, 0.0, 0.0, 0.0);  
-    Quat0();
-    build_rotmatrix(quat_mat, curquat);
-
-    // Set up our Dialog Boxes
-    ConfirmExitDialogInit();
-    NewAirportInit();
-#ifdef FG_NETWORK_OLK
-    NewNetIdInit();
-    NewNetFGDInit();
-#endif
-    mkDialogInit();
-    
-    // Make the menu bar
-    mainMenuBar = new puMenuBar ();
-    mainMenuBar -> add_submenu ("File", fileSubmenu, fileSubmenuCb);
-    // mainMenuBar -> add_submenu ("Edit", editSubmenu, editSubmenuCb);
-    mainMenuBar -> add_submenu ("View", viewSubmenu, viewSubmenuCb);
-    mainMenuBar -> add_submenu ("Aircraft", aircraftSubmenu, aircraftSubmenuCb);
-    mainMenuBar -> add_submenu ("Environment", environmentSubmenu, environmentSubmenuCb);
-    // mainMenuBar -> add_submenu ("Options", optionsSubmenu, optionsSubmenuCb);
-#ifdef FG_NETWORK_OLK
-    mainMenuBar -> add_submenu ("Network", networkSubmenu, networkSubmenuCb);
-#endif
-    mainMenuBar -> add_submenu ("Help", helpSubmenu, helpSubmenuCb);
-    mainMenuBar-> close ();
-    // Set up menu bar toggle
-    menu_on = ~0;
-}
-
-
-
-/*
- * Trackball code:
- *
- * Implementation of a virtual trackball.
- * Implemented by Gavin Bell, lots of ideas from Thant Tessman and
- *   the August '88 issue of Siggraph's "Computer Graphics," pp. 121-129.
- *
- * Vector manip code:
- *
- * Original code from:
- * David M. Ciemiewicz, Mark Grossman, Henry Moreton, and Paul Haeberli
- *
- * Much mucking with by:
- * Gavin Bell
- */
-#if defined(_WIN32) && !defined( __CYGWIN32__ )
-#pragma warning (disable:4244)          /* disable bogus conversion warnings */
-#endif
-#include <math.h>
-#include <stdio.h>
-//#include "trackball.h"
-
-/*
- * This size should really be based on the distance from the center of
- * rotation to the point on the object underneath the mouse.  That
- * point would then track the mouse as closely as possible.  This is a
- * simple example, though, so that is left as an Exercise for the
- * Programmer.
- */
-#define TRACKBALLSIZE  (0.8f)
-#define SQRT(x) sqrt(x)
-
-/*
- * Local function prototypes (not defined in trackball.h)
- */
-static float tb_project_to_sphere(float, float, float);
-static void normalize_quat(float [4]);
-
-static void
-vzero(float *v)
-{
-    v[0] = 0.0;
-    v[1] = 0.0;
-    v[2] = 0.0;
-}
-
-static void
-vset(float *v, float x, float y, float z)
-{
-    v[0] = x;
-    v[1] = y;
-    v[2] = z;
-}
-
-static void
-vsub(const float *src1, const float *src2, float *dst)
-{
-    dst[0] = src1[0] - src2[0];
-    dst[1] = src1[1] - src2[1];
-    dst[2] = src1[2] - src2[2];
-}
-
-static void
-vcopy(const float *v1, float *v2)
-{
-    register int i;
-    for (i = 0 ; i < 3 ; i++)
-        v2[i] = v1[i];
-}
-
-static void
-vcross(const float *v1, const float *v2, float *cross)
-{
-    float temp[3];
-
-    temp[0] = (v1[1] * v2[2]) - (v1[2] * v2[1]);
-    temp[1] = (v1[2] * v2[0]) - (v1[0] * v2[2]);
-    temp[2] = (v1[0] * v2[1]) - (v1[1] * v2[0]);
-    vcopy(temp, cross);
-}
-
-static float
-vlength(const float *v)
-{
-    float tmp = v[0] * v[0] + v[1] * v[1] + v[2] * v[2];
-    return SQRT(tmp);
-}
-
-static void
-vscale(float *v, float div)
-{
-    v[0] *= div;
-    v[1] *= div;
-    v[2] *= div;
-}
-
-static void
-vnormal(float *v)
-{
-    vscale(v,1.0/vlength(v));
-}
-
-static float
-vdot(const float *v1, const float *v2)
-{
-    return v1[0]*v2[0] + v1[1]*v2[1] + v1[2]*v2[2];
-}
-
-static void
-vadd(const float *src1, const float *src2, float *dst)
-{
-    dst[0] = src1[0] + src2[0];
-    dst[1] = src1[1] + src2[1];
-    dst[2] = src1[2] + src2[2];
-}
 
-/*
- *  Given an axis and angle, compute quaternion.
- */
-void
-axis_to_quat(float a[3], float phi, float q[4])
-{
-    double sinphi2, cosphi2;
-    double phi2 = phi/2.0;
-    sinphi2 = sin(phi2);
-    cosphi2 = cos(phi2);
-    vnormal(a);
-    vcopy(a,q);
-    vscale(q,sinphi2);
-    q[3] = cosphi2;
+osg::ref_ptr<GUIInitOperation> initOp;
 }
 
-/*
- * Project an x,y pair onto a sphere of radius r OR a hyperbolic sheet
- * if we are away from the center of the sphere.
- */
-static float
-tb_project_to_sphere(float r, float x, float y)
+void guiStartInit(osg::GraphicsContext* gc)
 {
-    float d, t, z, tmp;
-
-    tmp = x*x + y*y;
-    d = SQRT(tmp);
-    if (d < r * 0.70710678118654752440) {    /* Inside sphere */
-        tmp = r*r - d*d;
-        z = SQRT(tmp);
-    } else {           /* On hyperbola */
-        t = r / 1.41421356237309504880;
-        z = t*t / d;
+    if (gc) {
+        initOp = new GUIInitOperation;
+        gc->add(initOp.get());
     }
-    return z;
-}
-
-/*
- * Quaternions always obey:  a^2 + b^2 + c^2 + d^2 = 1.0
- * If they don't add up to 1.0, dividing by their magnitued will
- * renormalize them.
- *
- * Note: See the following for more information on quaternions:
- *
- * - Shoemake, K., Animating rotation with quaternion curves, Computer
- *   Graphics 19, No 3 (Proc. SIGGRAPH'85), 245-254, 1985.
- * - Pletinckx, D., Quaternion calculus as a basic tool in computer
- *   graphics, The Visual Computer 5, 2-13, 1989.
- */
-static void
-normalize_quat(float q[4])
-{
-    int i;
-    float mag, tmp;
-
-    tmp = q[0]*q[0] + q[1]*q[1] + q[2]*q[2] + q[3]*q[3];
-    mag = 1.0 / SQRT(tmp);
-    for (i = 0; i < 4; i++)
-        q[i] *= mag;
 }
 
-/*
- * Ok, simulate a track-ball.  Project the points onto the virtual
- * trackball, then figure out the axis of rotation, which is the cross
- * product of P1 P2 and O P1 (O is the center of the ball, 0,0,0)
- * Note:  This is a deformed trackball-- is a trackball in the center,
- * but is deformed into a hyperbolic sheet of rotation away from the
- * center.  This particular function was chosen after trying out
- * several variations.
- *
- * It is assumed that the arguments to this routine are in the range
- * (-1.0 ... 1.0)
- */
-void
-trackball(float q[4], float p1x, float p1y, float p2x, float p2y)
+bool guiFinishInit()
 {
-    float a[3]; /* Axis of rotation */
-    float phi;  /* how much to rotate about axis */
-    float p1[3], p2[3], d[3];
-    float t;
-
-    if (p1x == p2x && p1y == p2y) {
-        /* Zero rotation */
-        vzero(q);
-        q[3] = 1.0;
-        return;
-    }
-
-    /*
-     * First, figure out z-coordinates for projection of P1 and P2 to
-     * deformed sphere
-     */
-    vset(p1,p1x,p1y,tb_project_to_sphere(TRACKBALLSIZE,p1x,p1y));
-    vset(p2,p2x,p2y,tb_project_to_sphere(TRACKBALLSIZE,p2x,p2y));
-
-    /*
-     *  Now, we want the cross product of P1 and P2
-     */
-    vcross(p2,p1,a);
-
-    /*
-     *  Figure out how much to rotate around that axis.
-     */
-    vsub(p1,p2,d);
-    t = vlength(d) / (2.0*TRACKBALLSIZE);
-
-    /*
-     * Avoid problems with out-of-control values...
-     */
-    if (t > 1.0) t = 1.0;
-    if (t < -1.0) t = -1.0;
-    phi = 2.0 * asin(t);
-
-    axis_to_quat(a,phi,q);
-}
-
-/*
- * Given two rotations, e1 and e2, expressed as quaternion rotations,
- * figure out the equivalent single rotation and stuff it into dest.
- *
- * This routine also normalizes the result every RENORMCOUNT times it is
- * called, to keep error from creeping in.
- *
- * NOTE: This routine is written so that q1 or q2 may be the same
- * as dest (or each other).
- */
-
-#define RENORMCOUNT 97
-
-void
-add_quats(float q1[4], float q2[4], float dest[4])
-{
-    static int count=0;
-    float t1[4], t2[4], t3[4];
-    float tf[4];
-
-#if 0
-printf("q1 = %f %f %f %f\n", q1[0], q1[1], q1[2], q1[3]);
-printf("q2 = %f %f %f %f\n", q2[0], q2[1], q2[2], q2[3]);
-#endif
-
-    vcopy(q1,t1);
-    vscale(t1,q2[3]);
-
-    vcopy(q2,t2);
-    vscale(t2,q1[3]);
-
-    vcross(q2,q1,t3);
-    vadd(t1,t2,tf);
-    vadd(t3,tf,tf);
-    tf[3] = q1[3] * q2[3] - vdot(q1,q2);
-
-#if 0
-printf("tf = %f %f %f %f\n", tf[0], tf[1], tf[2], tf[3]);
-#endif
-
-    dest[0] = tf[0];
-    dest[1] = tf[1];
-    dest[2] = tf[2];
-    dest[3] = tf[3];
-
-    if (++count > RENORMCOUNT) {
-        count = 0;
-        normalize_quat(dest);
-    }
-}
-
-/*
- * Build a rotation matrix, given a quaternion rotation.
- *
- */
-void
-build_rotmatrix(float m[4][4], float q[4])
-{
-//#define TRANSPOSED_QUAT
-#ifndef TRANSPOSED_QUAT
-    m[0][0] = 1.0 - 2.0 * (q[1] * q[1] + q[2] * q[2]);
-    m[0][1] = 2.0 * (q[0] * q[1] - q[2] * q[3]);
-    m[0][2] = 2.0 * (q[2] * q[0] + q[1] * q[3]);
-    m[0][3] = 0.0;
-
-    m[1][0] = 2.0 * (q[0] * q[1] + q[2] * q[3]);
-    m[1][1]= 1.0 - 2.0 * (q[2] * q[2] + q[0] * q[0]);
-    m[1][2] = 2.0 * (q[1] * q[2] - q[0] * q[3]);
-    m[1][3] = 0.0;
-
-    m[2][0] = 2.0 * (q[2] * q[0] - q[1] * q[3]);
-    m[2][1] = 2.0 * (q[1] * q[2] + q[0] * q[3]);
-    m[2][2] = 1.0 - 2.0 * (q[1] * q[1] + q[0] * q[0]);
-    
-    m[2][3] = 0.0;
-    m[3][0] = 0.0;
-    m[3][1] = 0.0;
-    m[3][2] = 0.0;
-    m[3][3] = 1.0;
-#else //  TRANSPOSED_QUAT
-    m[0][0] = 1.0 - 2.0 * (q[1] * q[1] + q[2] * q[2]);
-    m[0][1] = 2.0 * (q[0] * q[1] + q[2] * q[3]);
-    m[0][2] = 2.0 * (q[2] * q[0] - q[1] * q[3]);
-    m[0][3] = 0.0;
-
-    m[1][0] = 2.0 * (q[0] * q[1] - q[2] * q[3]);
-    m[1][1] = 1.0 - 2.0 * (q[2] * q[2] + q[0] * q[0]);
-    m[1][2] = 2.0 * (q[1] * q[2] + q[0] * q[3]);
-    m[1][3] = 0.0;
-
-    m[2][0] = 2.0 * (q[2] * q[0] + q[1] * q[3]);
-    m[2][1] = 2.0 * (q[1] * q[2] - q[0] * q[3]);
-    m[2][2] = 1.0 - 2.0 * (q[1] * q[1] + q[0] * q[0]);
-    m[2][3] = 0.0;
-    
-    m[3][0] = 0.0;
-    m[3][1] = 0.0;
-    m[3][2] = 0.0;
-    m[3][3] = 1.0;
-#endif // 0
+    if (!initOp.valid())
+        return true;
+    if (!initOp->isFinished())
+        return false;
+    initOp = 0;
+    return true;
 }