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 #include "wintv.h"
  54
  55 #include <unistd.h>
  56
  57
  58
  59 CWindow::CWindow(MWindow *mwindow)
  60  : Thread(1, 0, 0)
  61 {
  62         this->mwindow = mwindow;
  63         this->playback_engine = 0;
  64         this->playback_cursor = 0;
  65         this->mask_track_id = -1;
  66         this->gui = 0;
  67 }
  68
  69
  70 CWindow::~CWindow()
  71 {
  72         if(gui && running()) {
  73                 gui->set_done(0);
  74         }
  75         join();
  76         delete gui;  gui = 0;
  77         delete playback_engine;
  78         delete playback_cursor;
  79 }
  80
  81 void CWindow::create_objects()
  82 {
  83         gui = new CWindowGUI(mwindow, this);
  84         gui->create_objects();
  85         playback_engine = new CPlayback(mwindow, this, gui->canvas);
  86 // Start command loop
  87         playback_engine->create_objects();
  88         gui->transport->set_engine(playback_engine);
  89         playback_cursor = new CTracking(mwindow, this);
  90         playback_cursor->create_objects();
  91 }
  92
  93
  94 void CWindow::show_window()
  95 {
  96         gui->lock_window("CWindow::show_cwindow");
  97         gui->show_window();
  98         gui->raise_window();
  99         gui->flush();
 100         gui->unlock_window();
 101
 102         gui->tool_panel->show_tool();
 103 }
 104
 105 void CWindow::hide_window()
 106 {
 107         gui->hide_window();
 108         gui->mwindow->session->show_cwindow = 0;
 109 // Unlock in case MWindow is waiting for it.
 110         gui->unlock_window();
 111
 112         gui->tool_panel->hide_tool();
 113
 114         mwindow->gui->lock_window("CWindowGUI::close_event");
 115         mwindow->gui->mainmenu->show_cwindow->set_checked(0);
 116         mwindow->gui->unlock_window();
 117         mwindow->save_defaults();
 118
 119         gui->lock_window("CWindow::hide_window");
 120 }
 121
 122
 123 Track* CWindow::calculate_affected_track()
 124 {
 125         Track *track = mwindow->edl->tracks->first;
 126         for( ; track; track=track->next ) {
 127                 if( track->data_type != TRACK_VIDEO ) continue;
 128                 if( track->record ) break;
 129         }
 130         return track;
 131 }
 132
 133 Track* CWindow::calculate_mask_track()
 134 {
 135         Track *track = mwindow->edl->tracks->first;
 136         for( ; track; track=track->next ) {
 137                 if( track->data_type != TRACK_VIDEO ) continue;
 138                 if( track->record && track->get_id() == mask_track_id ) break;
 139         }
 140         return track;
 141 }
 142
 143
 144 Auto* CWindow::calculate_affected_auto(Autos *autos,
 145                 int create, int *created, int redraw)
 146 {
 147         Auto* affected_auto = 0;
 148         if( created ) *created = 0;
 149
 150         if( create ) {
 151                 int total = autos->total();
 152                 affected_auto = autos->get_auto_for_editing(-1, create);
 153
 154 // Got created
 155                 if( total != autos->total() ) {
 156                         if( created ) *created = 1;
 157                         if( redraw ) {
 158 // May have to unlock CWindowGUI here.
 159                                 mwindow->gui->lock_window("CWindow::calculate_affected_auto");
 160                                 mwindow->gui->draw_overlays(1);
 161                                 mwindow->gui->unlock_window();
 162                         }
 163                 }
 164         }
 165         else {
 166                 affected_auto = autos->get_prev_auto(PLAY_FORWARD, affected_auto);
 167         }
 168
 169         return affected_auto;
 170 }
 171
 172
 173
 174 void CWindow::calculate_affected_autos(Track *track,
 175                 FloatAuto **x_auto, FloatAuto **y_auto, FloatAuto **z_auto,
 176                 int use_camera, int create_x, int create_y, int create_z,
 177                 int redraw)
 178 {
 179         if( x_auto ) *x_auto = 0;
 180         if( y_auto ) *y_auto = 0;
 181         if( z_auto ) *z_auto = 0;
 182         if( !track ) return;
 183
 184         int ix = use_camera ? AUTOMATION_CAMERA_X : AUTOMATION_PROJECTOR_X, x_created = 0;
 185         int iy = use_camera ? AUTOMATION_CAMERA_Y : AUTOMATION_PROJECTOR_Y, y_created = 0;
 186         int iz = use_camera ? AUTOMATION_CAMERA_Z : AUTOMATION_PROJECTOR_Z, z_created = 0;
 187
 188         if( x_auto )
 189                 *x_auto = (FloatAuto*) calculate_affected_auto(track->automation->autos[ix],
 190                                 create_x, &x_created, redraw);
 191         if( y_auto )
 192                 *y_auto = (FloatAuto*) calculate_affected_auto(track->automation->autos[iy],
 193                                 create_y, &y_created, redraw);
 194         if( z_auto ) *z_auto = (FloatAuto*) calculate_affected_auto(track->automation->autos[iz],
 195                                 create_z, &z_created, redraw);
 196 }
 197
 198 void CWindow::stop_playback(int wait)
 199 {
 200         playback_engine->stop_playback(wait);
 201 }
 202
 203 void CWindow::run()
 204 {
 205         gui->run_window();
 206 }
 207
 208 void CWindow::update(int dir, int overlays, int tool_window, int operation, int timebar)
 209 {
 210
 211         if( dir )
 212                 refresh_frame(CHANGE_NONE, dir);
 213
 214         gui->lock_window("CWindow::update 2");
 215 // Create tool window
 216         if( operation )
 217                 gui->set_operation(mwindow->edl->session->cwindow_operation);
 218
 219 // Updated by video device.
 220         if( overlays && !dir )
 221                 gui->canvas->refresh(1);
 222
 223 // Update tool parameters
 224 // Never updated by someone else
 225         if( tool_window || dir )
 226                 gui->update_tool();
 227
 228         if( timebar )
 229                 gui->timebar->update(1);
 230
 231         double zoom = !mwindow->edl->session->cwindow_scrollbars ?
 232                 0 : mwindow->edl->session->cwindow_zoom;
 233         gui->zoom_panel->update(zoom);
 234
 235         gui->canvas->update_zoom(mwindow->edl->session->cwindow_xscroll,
 236                         mwindow->edl->session->cwindow_yscroll,
 237                         mwindow->edl->session->cwindow_zoom);
 238         gui->canvas->update_geometry(mwindow->edl,
 239                         mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
 240                         mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
 241
 242         gui->unlock_window();
 243 }
 244
 245 int CWindow::update_position(double position)
 246 {
 247         gui->unlock_window();
 248
 249         playback_engine->interrupt_playback(1);
 250
 251         position = mwindow->edl->align_to_frame(position, 0);
 252         position = MAX(0, position);
 253
 254         mwindow->gui->lock_window("CWindowSlider::handle_event 2");
 255         mwindow->select_point(position);
 256         mwindow->gui->unlock_window();
 257
 258         gui->lock_window("CWindow::update_position 1");
 259         return 1;
 260 }
 261
 262 void CWindow::refresh_frame(int change_type, EDL *edl, int dir)
 263 {
 264         mwindow->refresh_mixers(dir);
 265         playback_engine->refresh_frame(change_type, edl, dir);
 266 }
 267
 268 void CWindow::refresh_frame(int change_type, int dir)
 269 {
 270         refresh_frame(change_type, mwindow->edl, dir);
 271 }
 272
 273 CWindowRemoteHandler::
 274 CWindowRemoteHandler(RemoteControl *remote_control)
 275  : RemoteHandler(remote_control->gui, RED)
 276 {
 277         this->remote_control = remote_control;
 278         this->mwindow = remote_control->mwindow_gui->mwindow;
 279         last_key = -1;
 280         key = -1;
 281 }
 282
 283 CWindowRemoteHandler::
 284 ~CWindowRemoteHandler()
 285 {
 286 }
 287
 288 int CWindowRemoteHandler::process_key(int key)
 289 {
 290         return remote_process_key(remote_control, key);
 291 }
 292
 293 int CWindowRemoteHandler::remote_process_key(RemoteControl *remote_control, int key)
 294 {
 295         EDL *edl = mwindow->edl;
 296         if( !edl ) return 0;
 297         PlayTransport *transport = mwindow->gui->mbuttons->transport;
 298         if( !transport->get_edl() ) return 0;
 299         PlaybackEngine *engine = transport->engine;
 300         double position = engine->get_tracking_position();
 301         double length = edl->tracks->total_length();
 302         int next_command = -1;
 303
 304         switch( key ) {
 305         case '1': case '2': case '3': case '4':
 306         case '5': case '6': case '7': case '8':
 307                 if( last_key == 'e' ) {
 308                         mwindow->select_asset(key-'1', 1);
 309                         break;
 310                 } // fall through
 311         case '0': case '9':
 312                 position = length * (key-'0')/10.0;
 313                 break;
 314         case UP:      position += 60.0;                 break;
 315         case DOWN:    position -= 60.0;                 break;
 316         case LEFT:    position -= 10.0;                 break;
 317         case RIGHT:   position += 10.0;                 break;
 318         case KPSTOP:  next_command = STOP;              break;
 319         case KPREV:   next_command = NORMAL_REWIND;     break;
 320         case KPPLAY:  next_command = NORMAL_FWD;        break;
 321         case KPBACK:  next_command = FAST_REWIND;       break;
 322         case KPFWRD:  next_command = FAST_FWD;          break;
 323         case KPRECD:  next_command = SLOW_REWIND;       break;
 324         case KPAUSE:  next_command = SLOW_FWD;          break;
 325         case ' ':  next_command = NORMAL_FWD;           break;
 326         case 'a':  remote_control->gui->tile_windows(0);  return 1;
 327         case 'b':  remote_control->gui->tile_windows(1);  return 1;
 328         case 'c':  remote_control->gui->tile_windows(2);  return 1;
 329 #ifdef HAVE_DVB
 330         case 'd':
 331                 mwindow->gui->channel_info->toggle_scan();
 332                 return 1;
 333 #endif
 334         case 'e':
 335                 break;
 336         case 'f': {
 337                 CWindowCanvas *canvas = mwindow->cwindow->gui->canvas;
 338                 int on = canvas->get_fullscreen() ? 0 : 1;
 339                 canvas->Canvas::set_fullscreen(on, 0);
 340                 return 1; }
 341         default:
 342                 return -1;
 343         }
 344
 345         if( next_command < 0 ) {
 346                 if( position < 0 ) position = 0;
 347                 transport->change_position(position);
 348         }
 349         else
 350                 transport->handle_transport(next_command);
 351         return 1;
 352 }
 353