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