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         this->playback_engine = 0;
  63         this->playback_cursor = 0;
  64         this->gui = 0;
  65 }
  66
  67
  68 CWindow::~CWindow()
  69 {
  70         if(gui && running()) {
  71                 gui->set_done(0);
  72         }
  73         join();
  74         delete gui;  gui = 0;
  75         delete playback_engine;
  76         delete playback_cursor;
  77 }
  78
  79 void CWindow::create_objects()
  80 {
  81         destination = mwindow->defaults->get("CWINDOW_DESTINATION", 0);
  82
  83
  84         gui = new CWindowGUI(mwindow, this);
  85
  86         gui->create_objects();
  87
  88
  89         playback_engine = new CPlayback(mwindow, this, gui->canvas);
  90
  91
  92 // Start command loop
  93         playback_engine->create_objects();
  94
  95         gui->transport->set_engine(playback_engine);
  96
  97         playback_cursor = new CTracking(mwindow, this);
  98
  99         playback_cursor->create_objects();
 100
 101 }
 102
 103
 104 void CWindow::show_window()
 105 {
 106         gui->lock_window("CWindow::show_cwindow");
 107         gui->show_window();
 108         gui->raise_window();
 109         gui->flush();
 110         gui->unlock_window();
 111
 112         gui->tool_panel->show_tool();
 113 }
 114
 115 void CWindow::hide_window()
 116 {
 117         gui->hide_window();
 118         gui->mwindow->session->show_cwindow = 0;
 119 // Unlock in case MWindow is waiting for it.
 120         gui->unlock_window();
 121
 122         gui->tool_panel->hide_tool();
 123
 124         mwindow->gui->lock_window("CWindowGUI::close_event");
 125         mwindow->gui->mainmenu->show_cwindow->set_checked(0);
 126         mwindow->gui->unlock_window();
 127         mwindow->save_defaults();
 128
 129         gui->lock_window("CWindow::hide_window");
 130 }
 131
 132
 133 Track* CWindow::calculate_affected_track()
 134 {
 135         Track* affected_track = 0;
 136         for(Track *track = mwindow->edl->tracks->first;
 137                 track;
 138                 track = track->next)
 139         {
 140                 if(track->data_type == TRACK_VIDEO &&
 141                         track->record)
 142                 {
 143                         affected_track = track;
 144                         break;
 145                 }
 146         }
 147         return affected_track;
 148 }
 149
 150 Auto* CWindow::calculate_affected_auto(Autos *autos,
 151                 int create, int *created, int redraw)
 152 {
 153         Auto* affected_auto = 0;
 154         if( created ) *created = 0;
 155
 156         if( create ) {
 157                 int total = autos->total();
 158                 affected_auto = autos->get_auto_for_editing(-1, create);
 159
 160 // Got created
 161                 if( total != autos->total() ) {
 162                         if( created ) *created = 1;
 163                         if( redraw ) {
 164 // May have to unlock CWindowGUI here.
 165                                 mwindow->gui->lock_window("CWindow::calculate_affected_auto");
 166                                 mwindow->gui->draw_overlays(1);
 167                                 mwindow->gui->unlock_window();
 168                         }
 169                 }
 170         }
 171         else {
 172                 affected_auto = autos->get_prev_auto(PLAY_FORWARD, affected_auto);
 173         }
 174
 175         return affected_auto;
 176 }
 177
 178
 179
 180 void CWindow::calculate_affected_autos(Track *track,
 181                 FloatAuto **x_auto, FloatAuto **y_auto, FloatAuto **z_auto,
 182                 int use_camera, int create_x, int create_y, int create_z,
 183                 int redraw)
 184 {
 185         if( x_auto ) *x_auto = 0;
 186         if( y_auto ) *y_auto = 0;
 187         if( z_auto ) *z_auto = 0;
 188         if( !track ) return;
 189
 190         int ix = use_camera ? AUTOMATION_CAMERA_X : AUTOMATION_PROJECTOR_X, x_created = 0;
 191         int iy = use_camera ? AUTOMATION_CAMERA_Y : AUTOMATION_PROJECTOR_Y, y_created = 0;
 192         int iz = use_camera ? AUTOMATION_CAMERA_Z : AUTOMATION_PROJECTOR_Z, z_created = 0;
 193
 194         if( x_auto )
 195                 *x_auto = (FloatAuto*) calculate_affected_auto(track->automation->autos[ix],
 196                                 create_x, &x_created, redraw);
 197         if( y_auto )
 198                 *y_auto = (FloatAuto*) calculate_affected_auto(track->automation->autos[iy],
 199                                 create_y, &y_created, redraw);
 200         if( z_auto ) *z_auto = (FloatAuto*) calculate_affected_auto(track->automation->autos[iz],
 201                                 create_z, &z_created, redraw);
 202 }
 203
 204 void CWindow::stop_playback(int wait)
 205 {
 206         playback_engine->stop_playback(wait);
 207 }
 208
 209 void CWindow::run()
 210 {
 211         gui->run_window();
 212 }
 213
 214 void CWindow::update(int dir, int overlays, int tool_window, int operation, int timebar)
 215 {
 216
 217         if( dir )
 218                 refresh_frame(CHANGE_NONE, dir);
 219
 220         gui->lock_window("CWindow::update 2");
 221 // Create tool window
 222         if( operation )
 223                 gui->set_operation(mwindow->edl->session->cwindow_operation);
 224
 225 // Updated by video device.
 226         if( overlays && !dir )
 227                 gui->canvas->refresh(1);
 228
 229 // Update tool parameters
 230 // Never updated by someone else
 231         if( tool_window || dir )
 232                 gui->update_tool();
 233
 234         if( timebar )
 235                 gui->timebar->update(1);
 236
 237         double zoom = !mwindow->edl->session->cwindow_scrollbars ?
 238                 0 :mwindow->edl->session->cwindow_zoom;
 239         gui->zoom_panel->update(zoom);
 240
 241         gui->canvas->update_zoom(mwindow->edl->session->cwindow_xscroll,
 242                         mwindow->edl->session->cwindow_yscroll,
 243                         mwindow->edl->session->cwindow_zoom);
 244         gui->canvas->update_geometry(mwindow->edl,
 245                         mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
 246                         mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
 247
 248         gui->unlock_window();
 249 }
 250
 251 int CWindow::update_position(double position)
 252 {
 253         gui->unlock_window();
 254
 255         playback_engine->interrupt_playback(1);
 256
 257         position = mwindow->edl->align_to_frame(position, 0);
 258         position = MAX(0, position);
 259
 260         mwindow->gui->lock_window("CWindowSlider::handle_event 2");
 261         mwindow->select_point(position);
 262         mwindow->gui->unlock_window();
 263
 264         gui->lock_window("CWindow::update_position 1");
 265         return 1;
 266 }
 267
 268 void CWindow::refresh_frame(int change_type, EDL *edl, int dir)
 269 {
 270         mwindow->refresh_mixers(dir);
 271         playback_engine->refresh_frame(change_type, edl, dir);
 272 }
 273
 274 void CWindow::refresh_frame(int change_type, int dir)
 275 {
 276         refresh_frame(change_type, mwindow->edl, dir);
 277 }
 278
 279 CWindowRemoteHandler::
 280 CWindowRemoteHandler(RemoteControl *remote_control)
 281  : RemoteHandler(remote_control->gui, RED)
 282 {
 283         last_key = -1;
 284 }
 285
 286 CWindowRemoteHandler::
 287 ~CWindowRemoteHandler()
 288 {
 289 }
 290
 291 int CWindowRemoteHandler::remote_process_key(RemoteControl *remote_control, int key)
 292 {
 293         MWindowGUI *mwindow_gui = remote_control->mwindow_gui;
 294         EDL *edl = mwindow_gui->mwindow->edl;
 295         if( !edl ) return 0;
 296         PlayTransport *transport = mwindow_gui->mbuttons->transport;
 297         if( !transport->get_edl() ) return 0;
 298         PlaybackEngine *engine = transport->engine;
 299         double position = engine->get_tracking_position();
 300         double length = edl->tracks->total_length();
 301         int next_command = -1, lastkey = last_key;
 302         last_key = key;
 303
 304         switch( key ) {
 305         case '1': case '2': case '3': case '4':
 306         case '5': case '6': case '7': case '8':
 307                 if( lastkey == 'e' ) {
 308                         mwindow_gui->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':  gui->tile_windows(0);                return 1;
 327         case 'b':  gui->tile_windows(1);                return 1;
 328         case 'c':  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                 Canvas *canvas = mwindow_gui->mwindow->cwindow->gui->canvas;
 338                 if( !canvas->get_fullscreen() )
 339                         canvas->start_fullscreen();
 340                 else
 341                         canvas->stop_fullscreen();
 342                 return 1; }
 343         default:
 344                 return -1;
 345         }
 346
 347         if( next_command < 0 ) {
 348                 if( position < 0 ) position = 0;
 349                 transport->change_position(position);
 350         }
 351         else
 352                 transport->handle_transport(next_command);
 353         return 1;
 354 }
 355