src/Main/keyboard.cxx

   1 // keyboard.cxx -- handle GLUT keyboard events
   2 //
   3 // Written by Curtis Olson, started May 1997.
   4 //
   5 // Copyright (C) 1997 - 1999  Curtis L. Olson  - curt@flightgear.org
   6 //
   7 // This program is free software; you can redistribute it and/or
   8 // modify it under the terms of the GNU General Public License as
   9 // published by the Free Software Foundation; either version 2 of the
  10 // License, or (at your option) any later version.
  11 //
  12 // This program is distributed in the hope that it will be useful, but
  13 // WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 // General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License
  18 // along with this program; if not, write to the Free Software
  19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 //
  21 // $Id$
  22
  23
  24 #ifdef HAVE_CONFIG_H
  25 #  include <config.h>
  26 #endif
  27
  28 #ifdef HAVE_WINDOWS_H
  29 #  include <windows.h>
  30 #endif
  31
  32 #include <simgear/compiler.h>
  33
  34 #include <GL/glut.h>
  35 #include <simgear/xgl/xgl.h>
  36
  37 #if defined(FX) && defined(XMESA)
  38 #include <GL/xmesa.h>
  39 #endif
  40
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43
  44 #include STL_FSTREAM
  45
  46 #include <plib/pu.h>            // plib include
  47
  48 #include <simgear/constants.h>
  49 #include <simgear/debug/logstream.hxx>
  50 #include <simgear/misc/fgpath.hxx>
  51
  52 #include <Aircraft/aircraft.hxx>
  53 #include <Autopilot/auto_gui.hxx>
  54 #include <Autopilot/newauto.hxx>
  55 #include <Cockpit/hud.hxx>
  56 #include <Cockpit/panel.hxx>
  57 #include <Cockpit/panel_io.hxx>
  58 #include <GUI/gui.h>
  59 #include <Scenery/tilemgr.hxx>
  60 #include <Objects/matlib.hxx>
  61 #include <Time/light.hxx>
  62 #include <Time/tmp.hxx>
  63
  64 #ifndef FG_OLD_WEATHER
  65 #  include <WeatherCM/FGLocalWeatherDatabase.h>
  66 #else
  67 #  include <Weather/weather.hxx>
  68 #endif
  69
  70 #include "bfi.hxx"
  71 #include "globals.hxx"
  72 #include "keyboard.hxx"
  73 #include "options.hxx"
  74 #include "save.hxx"
  75
  76                                 // From main.cxx
  77 extern void fgReshape( int width, int height );
  78
  79
  80 // Handle keyboard events
  81 void GLUTkey(unsigned char k, int x, int y) {
  82     FGInterface *f;
  83     SGTime *t;
  84     FGViewer *v;
  85     float fov, tmp;
  86     static bool winding_ccw = true;
  87     int speed;
  88
  89     f = current_aircraft.fdm_state;
  90     v = globals->get_current_view();
  91
  92     FG_LOG( FG_INPUT, FG_DEBUG, "Key hit = " << k );
  93     if ( puKeyboard(k, PU_DOWN) ) {
  94         return;
  95     }
  96
  97     if ( GLUT_ACTIVE_ALT && glutGetModifiers() ) {
  98         FG_LOG( FG_INPUT, FG_DEBUG, " SHIFTED" );
  99         switch (k) {
 100         case 1: // Ctrl-A key
 101             current_autopilot->set_AltitudeMode(
 102                   FGAutopilot::FG_ALTITUDE_LOCK );
 103             current_autopilot->set_AltitudeEnabled(
 104                   ! current_autopilot->get_AltitudeEnabled()
 105                 );
 106             return;
 107         case 7: // Ctrl-G key
 108             current_autopilot->set_AltitudeMode(
 109                   FGAutopilot::FG_ALTITUDE_GS1 );
 110             current_autopilot->set_AltitudeEnabled(
 111                   ! current_autopilot->get_AltitudeEnabled()
 112                 );
 113             return;
 114         case 8: // Ctrl-H key
 115             current_autopilot->set_HeadingMode(
 116                   FGAutopilot::FG_HEADING_LOCK );
 117             current_autopilot->set_HeadingEnabled(
 118                   ! current_autopilot->get_HeadingEnabled()
 119                 );
 120             return;
 121         case 14: // Ctrl-N key
 122             current_autopilot->set_HeadingMode(
 123                   FGAutopilot::FG_HEADING_NAV1 );
 124             current_autopilot->set_HeadingEnabled(
 125                   ! current_autopilot->get_HeadingEnabled()
 126                 );
 127             return;
 128         case 18: // Ctrl-R key
 129             // temporary
 130             winding_ccw = !winding_ccw;
 131             if ( winding_ccw ) {
 132                 glFrontFace ( GL_CCW );
 133             } else {
 134                 glFrontFace ( GL_CW );
 135             }
 136             return;
 137         case 19: // Ctrl-S key
 138             current_autopilot->set_AutoThrottleEnabled(
 139                   ! current_autopilot->get_AutoThrottleEnabled()
 140                 );
 141             return;
 142         case 20: // Ctrl-T key
 143             current_autopilot->set_AltitudeMode(
 144                   FGAutopilot::FG_ALTITUDE_TERRAIN );
 145             current_autopilot->set_AltitudeEnabled(
 146                   ! current_autopilot->get_AltitudeEnabled()
 147                 );
 148             return;
 149         case 21: // Ctrl-U key
 150             // add 1000' of emergency altitude.  Possibly good for
 151             // unflipping yourself :-)
 152             {
 153                 double alt = cur_fdm_state->get_Altitude() + 1000;
 154                 fgFDMForceAltitude( globals->get_options()->get_flight_model(),
 155                                     alt * FEET_TO_METER );
 156             }
 157             return;
 158         case 49: // numeric keypad 1
 159             v->set_goal_view_offset( FG_PI * 0.75 );
 160             if ( globals->get_options()->get_view_mode() ==
 161                  FGOptions::FG_VIEW_FOLLOW )
 162             {
 163                 globals->get_pilot_view()->set_pilot_offset(-25.0, 25.0, 1.0);
 164                 v->set_view_offset( FG_PI * 0.75 );
 165             }
 166             return;
 167         case 50: // numeric keypad 2
 168             v->set_goal_view_offset( FG_PI );
 169             if ( globals->get_options()->get_view_mode() ==
 170                  FGOptions::FG_VIEW_FOLLOW )
 171             {
 172                 globals->get_pilot_view()->set_pilot_offset(-25.0, 0.0, 1.0);
 173                 v->set_view_offset( FG_PI );
 174             }
 175             return;
 176         case 51: // numeric keypad 3
 177             v->set_goal_view_offset( FG_PI * 1.25 );
 178             if ( globals->get_options()->get_view_mode() ==
 179                  FGOptions::FG_VIEW_FOLLOW )
 180             {
 181                 globals->get_pilot_view()->set_pilot_offset(-25.0, -25.0, 1.0);
 182                 v->set_view_offset( FG_PI * 1.25 );
 183             }
 184             return;
 185         case 52: // numeric keypad 4
 186             v->set_goal_view_offset( FG_PI * 0.50 );
 187             if ( globals->get_options()->get_view_mode() ==
 188                  FGOptions::FG_VIEW_FOLLOW )
 189             {
 190                 globals->get_pilot_view()->set_pilot_offset(0.0, 25.0, 1.0);
 191                 v->set_view_offset( FG_PI * 0.50 );
 192             }
 193             return;
 194         case 54: // numeric keypad 6
 195             v->set_goal_view_offset( FG_PI * 1.50 );
 196             if ( globals->get_options()->get_view_mode() ==
 197                  FGOptions::FG_VIEW_FOLLOW )
 198             {
 199                 globals->get_pilot_view()->set_pilot_offset(0.0, -25.0, 1.0);
 200                 v->set_view_offset( FG_PI * 1.50 );
 201             }
 202             return;
 203         case 55: // numeric keypad 7
 204             v->set_goal_view_offset( FG_PI * 0.25 );
 205             if ( globals->get_options()->get_view_mode() ==
 206                  FGOptions::FG_VIEW_FOLLOW )
 207             {
 208                 globals->get_pilot_view()->set_pilot_offset(25.0, 25.0, 1.0);
 209                 v->set_view_offset( FG_PI * 0.25 );
 210             }
 211             return;
 212         case 56: // numeric keypad 8
 213             v->set_goal_view_offset( 0.00 );
 214             if ( globals->get_options()->get_view_mode() ==
 215                  FGOptions::FG_VIEW_FOLLOW )
 216             {
 217                 globals->get_pilot_view()->set_pilot_offset(25.0, 0.0, 1.0);
 218                 v->set_view_offset( 0.00 );
 219             }
 220             return;
 221         case 57: // numeric keypad 9
 222             v->set_goal_view_offset( FG_PI * 1.75 );
 223             if ( globals->get_options()->get_view_mode() ==
 224                  FGOptions::FG_VIEW_FOLLOW )
 225             {
 226                 globals->get_pilot_view()->set_pilot_offset(25.0, -25.0, 1.0);
 227                 v->set_view_offset( FG_PI * 1.75 );
 228             }
 229             return;
 230         case 65: // A key
 231             speed = globals->get_options()->get_speed_up();
 232             speed--;
 233             if ( speed < 1 ) {
 234                 speed = 1;
 235             }
 236             globals->get_options()->set_speed_up( speed );
 237             return;
 238         case 72: // H key
 239             // status = globals->get_options()->get_hud_status();
 240             // globals->get_options()->set_hud_status(!status);
 241             HUD_brightkey( true );
 242             return;
 243         case 73: // I key
 244             // Minimal Hud
 245             fgHUDInit2(&current_aircraft);
 246             return;
 247         case 77: // M key
 248             globals->inc_warp( -60 );
 249             fgUpdateSkyAndLightingParams();
 250             return;
 251         case 80: // P key
 252             globals->get_options()->toggle_panel();
 253             break;
 254         case 84: // T key
 255             globals->inc_warp_delta( -30 );
 256             fgUpdateSkyAndLightingParams();
 257             return;
 258         case 87: // W key
 259 #if defined(FX) && !defined(WIN32)
 260             global_fullscreen = ( !global_fullscreen );
 261 #  if defined(XMESA_FX_FULLSCREEN) && defined(XMESA_FX_WINDOW)
 262             XMesaSetFXmode( global_fullscreen ?
 263                             XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW );
 264 #  endif
 265 #endif
 266             return;
 267         case 88: // X key
 268             fov = globals->get_options()->get_fov();
 269             fov *= 1.05;
 270             if ( fov > FG_FOV_MAX ) {
 271                 fov = FG_FOV_MAX;
 272             }
 273             globals->get_options()->set_fov(fov);
 274             v->force_update_fov_math();
 275             return;
 276         case 90: // Z key
 277 #ifndef FG_OLD_WEATHER
 278             tmp = WeatherDatabase->getWeatherVisibility();
 279             tmp /= 1.10;
 280             WeatherDatabase->setWeatherVisibility( tmp );
 281 #else
 282             tmp = current_weather.get_visibility();   // in meters
 283             tmp /= 1.10;
 284             current_weather.set_visibility( tmp );
 285 #endif
 286             return;
 287         }
 288     } else {
 289         FG_LOG( FG_INPUT, FG_DEBUG, "" );
 290         switch (k) {
 291         case 50: // numeric keypad 2
 292             if ( current_autopilot->get_AltitudeEnabled() ) {
 293                 current_autopilot->AltitudeAdjust( 100 );
 294             } else {
 295                 controls.move_elevator(-0.05);
 296             }
 297             return;
 298         case 56: // numeric keypad 8
 299             if ( current_autopilot->get_AltitudeEnabled() ) {
 300                 current_autopilot->AltitudeAdjust( -100 );
 301             } else {
 302                 controls.move_elevator(0.05);
 303             }
 304             return;
 305         case 49: // numeric keypad 1
 306             controls.move_elevator_trim(-0.001);
 307             return;
 308         case 55: // numeric keypad 7
 309             controls.move_elevator_trim(0.001);
 310             return;
 311         case 52: // numeric keypad 4
 312             controls.move_aileron(-0.05);
 313             return;
 314         case 54: // numeric keypad 6
 315             controls.move_aileron(0.05);
 316             return;
 317         case 48: // numeric keypad Ins
 318             if ( current_autopilot->get_HeadingEnabled() ) {
 319                 current_autopilot->HeadingAdjust( -1 );
 320             } else {
 321                 controls.move_rudder(-0.05);
 322             }
 323             return;
 324         case 13: // numeric keypad Enter
 325             if ( current_autopilot->get_HeadingEnabled() ) {
 326                 current_autopilot->HeadingAdjust( 1 );
 327             } else {
 328                 controls.move_rudder(0.05);
 329             }
 330             return;
 331         case 53: // numeric keypad 5
 332             controls.set_aileron(0.0);
 333             controls.set_elevator(0.0);
 334             controls.set_rudder(0.0);
 335             return;
 336         case 57: // numeric keypad 9 (Pg Up)
 337             if ( current_autopilot->get_AutoThrottleEnabled() ) {
 338                 current_autopilot->AutoThrottleAdjust( 5 );
 339             } else {
 340                 controls.move_throttle( FGControls::ALL_ENGINES, 0.01 );
 341             }
 342             return;
 343         case 51: // numeric keypad 3 (Pg Dn)
 344             if ( current_autopilot->get_AutoThrottleEnabled() ) {
 345                 current_autopilot->AutoThrottleAdjust( -5 );
 346             } else {
 347                 controls.move_throttle( FGControls::ALL_ENGINES, -0.01 );
 348             }
 349             return;
 350         case 91: // [ key
 351             controls.move_flaps(-0.34);
 352             FG_LOG( FG_INPUT, FG_INFO,
 353                     "Set flaps to " << controls.get_flaps() );
 354             return;
 355         case 93: // ] key
 356             controls.move_flaps(0.34);
 357             FG_LOG( FG_INPUT, FG_INFO,
 358                     "Set flaps to " << controls.get_flaps() );
 359             return;
 360         case 97: // a key
 361             speed = globals->get_options()->get_speed_up();
 362             speed++;
 363             globals->get_options()->set_speed_up( speed );
 364             return;
 365         case 98: // b key
 366             int b_ret;
 367             double b_set;
 368             b_ret = int( controls.get_brake( 0 ) );
 369             b_set = double(!b_ret);
 370             controls.set_brake( FGControls::ALL_WHEELS, b_set);
 371             return;
 372         case 44: // , key
 373             if (controls.get_brake(0) > 0.0) {
 374                 controls.set_brake(0, 0.0);
 375             } else {
 376                 controls.set_brake(0, 1.0);
 377             }
 378             return;
 379         case 46: // . key
 380             if (controls.get_brake(1) > 0.0) {
 381                 controls.set_brake(1, 0.0);
 382             } else {
 383                 controls.set_brake(1, 1.0);
 384             }
 385             return;
 386         case 104: // h key
 387             HUD_masterswitch( true );
 388             return;
 389         case 105: // i key
 390             fgHUDInit(&current_aircraft);  // normal HUD
 391             return;
 392         case 109: // m key
 393             globals->inc_warp( 60 );
 394             fgUpdateSkyAndLightingParams();
 395             return;
 396         case 112: // p key
 397             globals->set_freeze( ! globals->get_freeze() );
 398
 399             {
 400                 FGBucket p( f->get_Longitude() * RAD_TO_DEG,
 401                             f->get_Latitude() * RAD_TO_DEG );
 402                 FGPath tile_path( globals->get_options()->get_fg_root() );
 403                 tile_path.append( "Scenery" );
 404                 tile_path.append( p.gen_base_path() );
 405                 tile_path.append( p.gen_index_str() );
 406
 407                 // printf position and attitude information
 408                 FG_LOG( FG_INPUT, FG_INFO,
 409                         "Lon = " << f->get_Longitude() * RAD_TO_DEG
 410                         << "  Lat = " << f->get_Latitude() * RAD_TO_DEG
 411                         << "  Altitude = " << f->get_Altitude() * FEET_TO_METER
 412                         );
 413                 FG_LOG( FG_INPUT, FG_INFO,
 414                         "Heading = " << f->get_Psi() * RAD_TO_DEG
 415                         << "  Roll = " << f->get_Phi() * RAD_TO_DEG
 416                         << "  Pitch = " << f->get_Theta() * RAD_TO_DEG );
 417                 FG_LOG( FG_INPUT, FG_INFO, tile_path.c_str());
 418             }
 419             return;
 420         case 116: // t key
 421             globals->inc_warp_delta( 30 );
 422             fgUpdateSkyAndLightingParams();
 423             return;
 424         case 118: // v key
 425 //          globals->get_options()->cycle_view_mode();
 426             if ( globals->get_options()->get_view_mode() ==
 427                  FGOptions::FG_VIEW_FOLLOW )
 428             {
 429                 globals->get_options()->set_view_mode(FGOptions::FG_VIEW_PILOT);
 430                 v->set_goal_view_offset( 0.0 );
 431                 v->set_view_offset( 0.0 );
 432             } else if ( globals->get_options()->get_view_mode() ==
 433                         FGOptions::FG_VIEW_PILOT )
 434             {
 435                 globals->get_options()->set_view_mode( FGOptions::FG_VIEW_FOLLOW );
 436                 v->set_goal_view_offset( FG_PI * 1.75 );
 437                 v->set_view_offset( FG_PI * 1.75 );
 438                 globals->get_pilot_view()->set_pilot_offset(25.0, -25.0, 1.0);
 439             }
 440             fgReshape( globals->get_current_view()->get_winWidth(),
 441                        globals->get_current_view()->get_winHeight() );
 442             return;
 443         case 120: // x key
 444             fov = globals->get_options()->get_fov();
 445             fov /= 1.05;
 446             if ( fov < FG_FOV_MIN ) {
 447                 fov = FG_FOV_MIN;
 448             }
 449             globals->get_options()->set_fov(fov);
 450             v->force_update_fov_math();
 451             return;
 452         case 122: // z key
 453 #ifndef FG_OLD_WEATHER
 454             tmp = WeatherDatabase->getWeatherVisibility();
 455             tmp *= 1.10;
 456             WeatherDatabase->setWeatherVisibility( tmp );
 457 #else
 458             tmp = current_weather.get_visibility();   // in meters
 459             tmp *= 1.10;
 460             current_weather.set_visibility( tmp );
 461 #endif
 462             return;
 463         case 27: // ESC
 464             // if( fg_DebugOutput ) {
 465             //   fclose( fg_DebugOutput );
 466             // }
 467             FG_LOG( FG_INPUT, FG_ALERT,
 468                     "Program exit requested." );
 469             ConfirmExitDialog();
 470             return;
 471         }
 472     }
 473 }
 474
 475
 476 // Handle "special" keyboard events
 477 void GLUTspecialkey(int k, int x, int y) {
 478     FGViewer *v;
 479
 480     v = globals->get_current_view();
 481
 482     FG_LOG( FG_INPUT, FG_DEBUG, "Special key hit = " << k );
 483
 484     if ( puKeyboard(k + PU_KEY_GLUT_SPECIAL_OFFSET, PU_DOWN) ) {
 485         return;
 486     }
 487
 488     if ( GLUT_ACTIVE_SHIFT && glutGetModifiers() ) {
 489         FG_LOG( FG_INPUT, FG_DEBUG, " SHIFTED" );
 490         switch (k) {
 491         case GLUT_KEY_F1: {
 492             ifstream input("fgfs.sav");
 493             if (input.good() && fgLoadFlight(input)) {
 494                 input.close();
 495                 FG_LOG(FG_INPUT, FG_INFO, "Restored flight from fgfs.sav");
 496             } else {
 497                 FG_LOG(FG_INPUT, FG_ALERT, "Cannot load flight from fgfs.sav");
 498             }
 499             return;
 500         }
 501         case GLUT_KEY_F2: {
 502             FG_LOG(FG_INPUT, FG_INFO, "Saving flight");
 503             ofstream output("fgfs.sav");
 504             if (output.good() && fgSaveFlight(output)) {
 505                 output.close();
 506                 FG_LOG(FG_INPUT, FG_INFO, "Saved flight to fgfs.sav");
 507             } else {
 508                 FG_LOG(FG_INPUT, FG_ALERT, "Cannot save flight to fgfs.sav");
 509             }
 510             return;
 511         }
 512         case GLUT_KEY_F3: {
 513           string panel_path =
 514             current_properties.getStringValue("/sim/panel/path",
 515                                               "Panels/Default/default.xml");
 516           FGPanel * new_panel = fgReadPanel(panel_path);
 517           if (new_panel == 0) {
 518             FG_LOG(FG_INPUT, FG_ALERT,
 519                    "Error reading new panel from " << panel_path);
 520             return;
 521           }
 522           FG_LOG(FG_INPUT, FG_INFO, "Loaded new panel from " << panel_path);
 523           delete current_panel;
 524           current_panel = new_panel;
 525           return;
 526         }
 527         case GLUT_KEY_F4: {
 528           FGPath props_path(globals->get_options()->get_fg_root());
 529           props_path.append("preferences.xml");
 530           FG_LOG(FG_INPUT, FG_INFO, "Rereading global preferences");
 531           if (!readPropertyList(props_path.str(), &current_properties)) {
 532             FG_LOG(FG_INPUT, FG_ALERT,
 533                    "Failed to reread global preferences from "
 534                    << props_path.str());
 535           } else {
 536             FG_LOG(FG_INPUT, FG_INFO, "Finished Reading global preferences");
 537           }
 538           return;
 539         }
 540         case GLUT_KEY_F5: {
 541           current_panel->setYOffset(current_panel->getYOffset() - 5);
 542           fgReshape(globals->get_current_view()->get_winWidth(),
 543                     globals->get_current_view()->get_winHeight());
 544           return;
 545         }
 546         case GLUT_KEY_F6: {
 547           current_panel->setYOffset(current_panel->getYOffset() + 5);
 548           fgReshape(globals->get_current_view()->get_winWidth(),
 549                     globals->get_current_view()->get_winHeight());
 550           return;
 551         }
 552         case GLUT_KEY_F7: {
 553           current_panel->setXOffset(current_panel->getXOffset() - 5);
 554           return;
 555         }
 556         case GLUT_KEY_F8: {
 557           current_panel->setXOffset(current_panel->getXOffset() + 5);
 558           return;
 559         }
 560         case GLUT_KEY_END: // numeric keypad 1
 561             v->set_goal_view_offset( FG_PI * 0.75 );
 562             if ( globals->get_options()->get_view_mode() ==
 563                  FGOptions::FG_VIEW_FOLLOW)
 564             {
 565                 globals->get_pilot_view()->set_pilot_offset(-25.0, 25.0, 1.0);
 566                 v->set_view_offset( FG_PI * 0.75 );
 567             }
 568             return;
 569         case GLUT_KEY_DOWN: // numeric keypad 2
 570             v->set_goal_view_offset( FG_PI );
 571             if ( globals->get_options()->get_view_mode() ==
 572                  FGOptions::FG_VIEW_FOLLOW )
 573             {
 574                 globals->get_pilot_view()->set_pilot_offset(-25.0, 0.0, 1.0);
 575                 v->set_view_offset( FG_PI );
 576             }
 577             return;
 578         case GLUT_KEY_PAGE_DOWN: // numeric keypad 3
 579             v->set_goal_view_offset( FG_PI * 1.25 );
 580             if ( globals->get_options()->get_view_mode() ==
 581                  FGOptions::FG_VIEW_FOLLOW)
 582             {
 583                 globals->get_pilot_view()->set_pilot_offset(-25.0, -25.0, 1.0);
 584                 v->set_view_offset( FG_PI * 1.25 );
 585             }
 586             return;
 587         case GLUT_KEY_LEFT: // numeric keypad 4
 588             v->set_goal_view_offset( FG_PI * 0.50 );
 589             if ( globals->get_options()->get_view_mode() ==
 590                  FGOptions::FG_VIEW_FOLLOW )
 591             {
 592                 globals->get_pilot_view()->set_pilot_offset(0.0, 25.0, 1.0);
 593                 v->set_view_offset( FG_PI * 0.50 );
 594             }
 595             return;
 596         case GLUT_KEY_RIGHT: // numeric keypad 6
 597             v->set_goal_view_offset( FG_PI * 1.50 );
 598             if ( globals->get_options()->get_view_mode() ==
 599                  FGOptions::FG_VIEW_FOLLOW )
 600             {
 601                 globals->get_pilot_view()->set_pilot_offset(0.0, -25.0, 1.0);
 602                 v->set_view_offset( FG_PI * 1.50 );
 603             }
 604             return;
 605         case GLUT_KEY_HOME: // numeric keypad 7
 606             v->set_goal_view_offset( FG_PI * 0.25 );
 607             if ( globals->get_options()->get_view_mode() ==
 608                  FGOptions::FG_VIEW_FOLLOW )
 609             {
 610                 globals->get_pilot_view()->set_pilot_offset(25.0, 25.0, 1.0);
 611                 v->set_view_offset( FG_PI * 0.25 );
 612             }
 613             return;
 614         case GLUT_KEY_UP: // numeric keypad 8
 615             v->set_goal_view_offset( 0.00 );
 616             if ( globals->get_options()->get_view_mode() ==
 617                  FGOptions::FG_VIEW_FOLLOW )
 618             {
 619                 globals->get_pilot_view()->set_pilot_offset(25.0, 0.0, 1.0);
 620                 v->set_view_offset( 0.00 );
 621             }
 622             return;
 623         case GLUT_KEY_PAGE_UP: // numeric keypad 9
 624             v->set_goal_view_offset( FG_PI * 1.75 );
 625             if ( globals->get_options()->get_view_mode() ==
 626                  FGOptions::FG_VIEW_FOLLOW )
 627             {
 628                 globals->get_pilot_view()->set_pilot_offset(25.0, -25.0, 1.0);
 629                 v->set_view_offset( FG_PI * 1.75 );
 630             }
 631             return;
 632         }
 633     } else {
 634         FG_LOG( FG_INPUT, FG_DEBUG, "" );
 635         switch (k) {
 636         case GLUT_KEY_F2: // F2 Reload Tile Cache...
 637             {
 638                 bool freeze;
 639                 FG_LOG(FG_INPUT, FG_INFO, "ReIniting TileCache");
 640                 if ( !freeze )
 641                     globals->set_freeze( true );
 642                 BusyCursor(0);
 643                 if ( global_tile_mgr.init() ) {
 644                     // Load the local scenery data
 645                     global_tile_mgr.update(
 646                         cur_fdm_state->get_Longitude() * RAD_TO_DEG,
 647                         cur_fdm_state->get_Latitude() * RAD_TO_DEG );
 648                 } else {
 649                     FG_LOG( FG_GENERAL, FG_ALERT,
 650                             "Error in Tile Manager initialization!" );
 651                     exit(-1);
 652                 }
 653                 BusyCursor(1);
 654                 if ( !freeze )
 655                    globals->set_freeze( false );
 656                 return;
 657             }
 658         case GLUT_KEY_F3: // F3 Take a screen shot
 659             fgDumpSnapShot();
 660             return;
 661         case GLUT_KEY_F6: // F6 toggles Autopilot target location
 662             if ( current_autopilot->get_HeadingMode() !=
 663                  FGAutopilot::FG_HEADING_WAYPOINT ) {
 664                 current_autopilot->set_HeadingMode(
 665                     FGAutopilot::FG_HEADING_WAYPOINT );
 666                 current_autopilot->set_HeadingEnabled( true );
 667             } else {
 668                 current_autopilot->set_HeadingMode(
 669                     FGAutopilot::FG_HEADING_LOCK );
 670             }
 671             return;
 672         case GLUT_KEY_F8: // F8 toggles fog ... off fastest nicest...
 673             globals->get_options()->cycle_fog();
 674
 675             if ( globals->get_options()->get_fog() ==
 676                  FGOptions::FG_FOG_DISABLED )
 677             {
 678                 FG_LOG( FG_INPUT, FG_INFO, "Fog disabled" );
 679             } else if ( globals->get_options()->get_fog() ==
 680                         FGOptions::FG_FOG_FASTEST )
 681             {
 682                 FG_LOG( FG_INPUT, FG_INFO,
 683                         "Fog enabled, hint set to fastest" );
 684             } else if ( globals->get_options()->get_fog() ==
 685                         FGOptions::FG_FOG_NICEST )
 686             {
 687                 FG_LOG( FG_INPUT, FG_INFO,
 688                         "Fog enabled, hint set to nicest" );
 689             }
 690
 691             return;
 692         case GLUT_KEY_F9: // F9 toggles textures on and off...
 693             FG_LOG( FG_INPUT, FG_INFO, "Toggling texture" );
 694             if ( globals->get_options()->get_textures() ) {
 695                 globals->get_options()->set_textures( false );
 696                 material_lib.set_step( 1 );
 697             } else {
 698                 globals->get_options()->set_textures( true );
 699                 material_lib.set_step( 0 );
 700             }
 701             return;
 702         case GLUT_KEY_F10: // F10 toggles menu on and off...
 703             FG_LOG(FG_INPUT, FG_INFO, "Invoking call back function");
 704             guiToggleMenu();
 705             return;
 706         case GLUT_KEY_F11: // F11 Altitude Dialog.
 707             FG_LOG(FG_INPUT, FG_INFO, "Invoking Altitude call back function");
 708             NewAltitude( NULL );
 709             return;
 710         case GLUT_KEY_F12: // F12 Heading Dialog...
 711             FG_LOG(FG_INPUT, FG_INFO, "Invoking Heading call back function");
 712             NewHeading( NULL );
 713             return;
 714         case GLUT_KEY_UP:
 715             if ( current_autopilot->get_AltitudeEnabled() ) {
 716                 current_autopilot->AltitudeAdjust( -100 );
 717             } else {
 718                 controls.move_elevator(0.05);
 719             }
 720             return;
 721         case GLUT_KEY_DOWN:
 722             if ( current_autopilot->get_AltitudeEnabled() ) {
 723                 current_autopilot->AltitudeAdjust( 100 );
 724             } else {
 725                 controls.move_elevator(-0.05);
 726             }
 727             return;
 728         case GLUT_KEY_LEFT:
 729             controls.move_aileron(-0.05);
 730             return;
 731         case GLUT_KEY_RIGHT:
 732             controls.move_aileron(0.05);
 733             return;
 734         case GLUT_KEY_HOME: // numeric keypad 1
 735             controls.move_elevator_trim(0.001);
 736             return;
 737         case GLUT_KEY_END: // numeric keypad 7
 738             controls.move_elevator_trim(-0.001);
 739             return;
 740         case GLUT_KEY_INSERT: // numeric keypad Ins
 741             if ( current_autopilot->get_HeadingEnabled() ) {
 742                 current_autopilot->HeadingAdjust( -1 );
 743             } else {
 744                 controls.move_rudder(-0.05);
 745             }
 746             return;
 747         case 13: // numeric keypad Enter
 748             if ( current_autopilot->get_HeadingEnabled() ) {
 749                 current_autopilot->HeadingAdjust( 1 );
 750             } else {
 751                 controls.move_rudder(0.05);
 752             }
 753             return;
 754         case 53: // numeric keypad 5
 755             controls.set_aileron(0.0);
 756             controls.set_elevator(0.0);
 757             controls.set_rudder(0.0);
 758             return;
 759         case GLUT_KEY_PAGE_UP: // numeric keypad 9 (Pg Up)
 760             if ( current_autopilot->get_AutoThrottleEnabled() ) {
 761                 current_autopilot->AutoThrottleAdjust( 5 );
 762             } else {
 763                 controls.move_throttle( FGControls::ALL_ENGINES, 0.01 );
 764             }
 765             return;
 766         case GLUT_KEY_PAGE_DOWN: // numeric keypad 3 (Pg Dn)
 767             if ( current_autopilot->get_AutoThrottleEnabled() ) {
 768                 current_autopilot->AutoThrottleAdjust( -5 );
 769             } else {
 770                 controls.move_throttle( FGControls::ALL_ENGINES, -0.01 );
 771             }
 772             return;
 773         }
 774     }
 775 }
 776
 777