cinelerra-5.1/cinelerra/cwindow.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "autos.h"
  23 #include "bchash.h"
  24 #include "bcsignals.h"
  25 #include "channelinfo.h"
  26 #include "clip.h"
  27 #include "cplayback.h"
  28 #include "ctimebar.h"
  29 #include "ctracking.h"
  30 #include "cwindow.h"
  31 #include "cwindowgui.h"
  32 #include "cwindowtool.h"
  33 #include "edl.h"
  34 #include "keys.h"
  35 #include "edl.h"
  36 #include "edlsession.h"
  37 #include "language.h"
  38 #include "localsession.h"
  39 #include "mainmenu.h"
  40 #include "mainsession.h"
  41 #include "mbuttons.h"
  42 #include "mwindow.h"
  43 #include "mwindowgui.h"
  44 #include "playbackengine.h"
  45 #include "playtransport.h"
  46 #include "preferences.h"
  47 #include "remotecontrol.h"
  48 #include "theme.h"
  49 #include "track.h"
  50 #include "trackcanvas.h"
  51 #include "tracks.h"
  52 #include "transportque.h"
  53
  54 #include <unistd.h>
  55
  56
  57
  58 CWindow::CWindow(MWindow *mwindow)
  59  : Thread(1, 0, 0)
  60 {
  61         this->mwindow = mwindow;
  62 }
  63
  64
  65 CWindow::~CWindow()
  66 {
  67         if(gui && running()) {
  68                 gui->set_done(0);
  69         }
  70         join();
  71         delete gui;  gui = 0;
  72         delete playback_engine;
  73         delete playback_cursor;
  74 }
  75
  76 void CWindow::create_objects()
  77 {
  78         destination = mwindow->defaults->get("CWINDOW_DESTINATION", 0);
  79
  80
  81         gui = new CWindowGUI(mwindow, this);
  82
  83         gui->create_objects();
  84
  85
  86         playback_engine = new CPlayback(mwindow, this, gui->canvas);
  87
  88
  89 // Start command loop
  90         playback_engine->create_objects();
  91
  92         gui->transport->set_engine(playback_engine);
  93
  94         playback_cursor = new CTracking(mwindow, this);
  95
  96         playback_cursor->create_objects();
  97
  98 }
  99
 100
 101 void CWindow::show_window()
 102 {
 103         gui->lock_window("CWindow::show_cwindow");
 104         gui->show_window();
 105         gui->raise_window();
 106         gui->flush();
 107         gui->unlock_window();
 108
 109         gui->tool_panel->show_tool();
 110 }
 111
 112 void CWindow::hide_window()
 113 {
 114         gui->hide_window();
 115         gui->mwindow->session->show_cwindow = 0;
 116 // Unlock in case MWindow is waiting for it.
 117         gui->unlock_window();
 118
 119         gui->tool_panel->hide_tool();
 120
 121         mwindow->gui->lock_window("CWindowGUI::close_event");
 122         mwindow->gui->mainmenu->show_cwindow->set_checked(0);
 123         mwindow->gui->unlock_window();
 124         mwindow->save_defaults();
 125
 126         gui->lock_window("CWindow::hide_window");
 127 }
 128
 129
 130 Track* CWindow::calculate_affected_track()
 131 {
 132         Track* affected_track = 0;
 133         for(Track *track = mwindow->edl->tracks->first;
 134                 track;
 135                 track = track->next)
 136         {
 137                 if(track->data_type == TRACK_VIDEO &&
 138                         track->record)
 139                 {
 140                         affected_track = track;
 141                         break;
 142                 }
 143         }
 144         return affected_track;
 145 }
 146
 147 Auto* CWindow::calculate_affected_auto(Autos *autos,
 148         int create,
 149         int *created,
 150         int redraw)
 151 {
 152         Auto* affected_auto = 0;
 153         if(created) *created = 0;
 154
 155         if(create)
 156         {
 157                 int total = autos->total();
 158                 affected_auto = autos->get_auto_for_editing();
 159
 160 // Got created
 161                 if(total != autos->total())
 162                 {
 163                         if(created) *created = 1;
 164                         if(redraw)
 165                         {
 166 // May have to unlock CWindowGUI here.
 167                                 mwindow->gui->lock_window("CWindow::calculate_affected_auto");
 168                                 mwindow->gui->draw_overlays(1);
 169                                 mwindow->gui->unlock_window();
 170                         }
 171                 }
 172         }
 173         else
 174         {
 175                 affected_auto = autos->get_prev_auto(PLAY_FORWARD, affected_auto);
 176         }
 177
 178         return affected_auto;
 179 }
 180
 181
 182
 183 void CWindow::calculate_affected_autos(FloatAuto **x_auto,
 184         FloatAuto **y_auto,
 185         FloatAuto **z_auto,
 186         Track *track,
 187         int use_camera,
 188         int create_x,
 189         int create_y,
 190         int create_z)
 191 {
 192         if(x_auto) (*x_auto) = 0;
 193         if(y_auto) (*y_auto) = 0;
 194         if(z_auto) (*z_auto) = 0;
 195
 196         if(!track) return;
 197
 198         if(use_camera)
 199         {
 200                 if(x_auto) (*x_auto) = (FloatAuto*)calculate_affected_auto(
 201                         track->automation->autos[AUTOMATION_CAMERA_X], create_x);
 202                 if(y_auto) (*y_auto) = (FloatAuto*)calculate_affected_auto(
 203                         track->automation->autos[AUTOMATION_CAMERA_Y], create_y);
 204                 if(z_auto) (*z_auto) = (FloatAuto*)calculate_affected_auto(
 205                         track->automation->autos[AUTOMATION_CAMERA_Z], create_z);
 206         }
 207         else
 208         {
 209                 if(x_auto) (*x_auto) = (FloatAuto*)calculate_affected_auto(
 210                         track->automation->autos[AUTOMATION_PROJECTOR_X], create_x);
 211                 if(y_auto) (*y_auto) = (FloatAuto*)calculate_affected_auto(
 212                         track->automation->autos[AUTOMATION_PROJECTOR_Y], create_y);
 213                 if(z_auto) (*z_auto) = (FloatAuto*)calculate_affected_auto(
 214                         track->automation->autos[AUTOMATION_PROJECTOR_Z], create_z);
 215         }
 216 }
 217
 218 void CWindow::stop_playback(int wait)
 219 {
 220         playback_engine->stop_playback(wait);
 221 }
 222
 223 void CWindow::run()
 224 {
 225         gui->run_window();
 226 }
 227
 228 void CWindow::update(int dir, int overlays, int tool_window, int operation, int timebar)
 229 {
 230
 231         if(dir)
 232                 refresh_frame(CHANGE_NONE, dir);
 233
 234         gui->lock_window("CWindow::update 2");
 235 // Create tool window
 236         if(operation)
 237                 gui->set_operation(mwindow->edl->session->cwindow_operation);
 238
 239 // Updated by video device.
 240         if(overlays && !dir)
 241                 gui->canvas->draw_refresh();
 242
 243 // Update tool parameters
 244 // Never updated by someone else
 245         if(tool_window || dir)
 246                 gui->update_tool();
 247
 248         if(timebar)
 249                 gui->timebar->update(1);
 250
 251         double zoom = !mwindow->edl->session->cwindow_scrollbars ?
 252                 0 :mwindow->edl->session->cwindow_zoom;
 253         gui->zoom_panel->update(zoom);
 254
 255         gui->canvas->update_zoom(mwindow->edl->session->cwindow_xscroll,
 256                         mwindow->edl->session->cwindow_yscroll,
 257                         mwindow->edl->session->cwindow_zoom);
 258         gui->canvas->reposition_window(mwindow->edl,
 259                         mwindow->theme->ccanvas_x,
 260                         mwindow->theme->ccanvas_y,
 261                         mwindow->theme->ccanvas_w,
 262                         mwindow->theme->ccanvas_h);
 263
 264
 265
 266
 267         gui->unlock_window();
 268
 269
 270
 271
 272 }
 273
 274 int CWindow::update_position(double position)
 275 {
 276         gui->unlock_window();
 277
 278         playback_engine->interrupt_playback(1);
 279
 280         position = mwindow->edl->align_to_frame(position, 0);
 281         position = MAX(0, position);
 282
 283         mwindow->gui->lock_window("CWindowSlider::handle_event 2");
 284         mwindow->select_point(position);
 285         mwindow->gui->unlock_window();
 286
 287         gui->lock_window("CWindow::update_position 1");
 288         return 1;
 289 }
 290
 291 void CWindow::refresh_frame(int change_type, EDL *edl, int dir)
 292 {
 293         mwindow->refresh_mixers(dir);
 294         playback_engine->refresh_frame(change_type, edl, dir);
 295 }
 296
 297 void CWindow::refresh_frame(int change_type, int dir)
 298 {
 299         refresh_frame(change_type, mwindow->edl, dir);
 300 }
 301
 302 CWindowRemoteHandler::
 303 CWindowRemoteHandler(RemoteControl *remote_control)
 304  : RemoteHandler(remote_control->gui, RED)
 305 {
 306         last_key = -1;
 307 }
 308
 309 CWindowRemoteHandler::
 310 ~CWindowRemoteHandler()
 311 {
 312 }
 313
 314 int CWindowRemoteHandler::remote_process_key(RemoteControl *remote_control, int key)
 315 {
 316         MWindowGUI *mwindow_gui = remote_control->mwindow_gui;
 317         EDL *edl = mwindow_gui->mwindow->edl;
 318         if( !edl ) return 0;
 319         PlayTransport *transport = mwindow_gui->mbuttons->transport;
 320         if( !transport->get_edl() ) return 0;
 321         PlaybackEngine *engine = transport->engine;
 322         double position = engine->get_tracking_position();
 323         double length = edl->tracks->total_length();
 324         int next_command = -1, lastkey = last_key;
 325         last_key = key;
 326
 327         switch( key ) {
 328         case '1': case '2': case '3': case '4':
 329         case '5': case '6': case '7': case '8':
 330                 if( lastkey == 'e' ) {
 331                         mwindow_gui->mwindow->select_asset(key-'1', 1);
 332                         break;
 333                 } // fall through
 334         case '0': case '9':
 335                 position = length * (key-'0')/10.0;
 336                 break;
 337         case UP:      position += 60.0;                 break;
 338         case DOWN:    position -= 60.0;                 break;
 339         case LEFT:    position -= 10.0;                 break;
 340         case RIGHT:   position += 10.0;                 break;
 341         case KPSTOP:  next_command = STOP;              break;
 342         case KPREV:   next_command = NORMAL_REWIND;     break;
 343         case KPPLAY:  next_command = NORMAL_FWD;        break;
 344         case KPBACK:  next_command = FAST_REWIND;       break;
 345         case KPFWRD:  next_command = FAST_FWD;          break;
 346         case KPRECD:  next_command = SLOW_REWIND;       break;
 347         case KPAUSE:  next_command = SLOW_FWD;          break;
 348         case ' ':  next_command = NORMAL_FWD;           break;
 349         case 'a':  gui->tile_windows(0);                return 1;
 350         case 'b':  gui->tile_windows(1);                return 1;
 351         case 'c':  gui->tile_windows(2);                return 1;
 352 #ifdef HAVE_DVB
 353         case 'd':
 354                 mwindow_gui->channel_info->toggle_scan();
 355                 return 1;
 356 #endif
 357         case 'e':
 358                 break;
 359         case 'f': {
 360                 Canvas *canvas = mwindow_gui->mwindow->cwindow->gui->canvas;
 361                 if( !canvas->get_fullscreen() )
 362                         canvas->start_fullscreen();
 363                 else
 364                         canvas->stop_fullscreen();
 365                 return 1; }
 366         default:
 367                 return -1;
 368         }
 369
 370         if( next_command < 0 ) {
 371                 if( position < 0 ) position = 0;
 372                 transport->change_position(position);
 373         }
 374         else
 375                 transport->handle_transport(next_command, 0, 0);
 376         return 1;
 377 }
 378