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, int *created, int redraw)
 149 {
 150         Auto* affected_auto = 0;
 151         if( created ) *created = 0;
 152
 153         if( create ) {
 154                 int total = autos->total();
 155                 affected_auto = autos->get_auto_for_editing(-1, create);
 156
 157 // Got created
 158                 if( total != autos->total() ) {
 159                         if( created ) *created = 1;
 160                         if( redraw ) {
 161 // May have to unlock CWindowGUI here.
 162                                 mwindow->gui->lock_window("CWindow::calculate_affected_auto");
 163                                 mwindow->gui->draw_overlays(1);
 164                                 mwindow->gui->unlock_window();
 165                         }
 166                 }
 167         }
 168         else {
 169                 affected_auto = autos->get_prev_auto(PLAY_FORWARD, affected_auto);
 170         }
 171
 172         return affected_auto;
 173 }
 174
 175
 176
 177 void CWindow::calculate_affected_autos(Track *track,
 178                 FloatAuto **x_auto, FloatAuto **y_auto, FloatAuto **z_auto,
 179                 int use_camera, int create_x, int create_y, int create_z,
 180                 int redraw)
 181 {
 182         if( x_auto ) *x_auto = 0;
 183         if( y_auto ) *y_auto = 0;
 184         if( z_auto ) *z_auto = 0;
 185         if( !track ) return;
 186
 187         int ix = use_camera ? AUTOMATION_CAMERA_X : AUTOMATION_PROJECTOR_X, x_created = 0;
 188         int iy = use_camera ? AUTOMATION_CAMERA_Y : AUTOMATION_PROJECTOR_Y, y_created = 0;
 189         int iz = use_camera ? AUTOMATION_CAMERA_Z : AUTOMATION_PROJECTOR_Z, z_created = 0;
 190
 191         if( x_auto )
 192                 *x_auto = (FloatAuto*) calculate_affected_auto(track->automation->autos[ix],
 193                                 create_x, &x_created, redraw);
 194         if( y_auto )
 195                 *y_auto = (FloatAuto*) calculate_affected_auto(track->automation->autos[iy],
 196                                 create_y, &y_created, redraw);
 197         if( z_auto ) *z_auto = (FloatAuto*) calculate_affected_auto(track->automation->autos[iz],
 198                                 create_z, &z_created, redraw);
 199 }
 200
 201 void CWindow::stop_playback(int wait)
 202 {
 203         playback_engine->stop_playback(wait);
 204 }
 205
 206 void CWindow::run()
 207 {
 208         gui->run_window();
 209 }
 210
 211 void CWindow::update(int dir, int overlays, int tool_window, int operation, int timebar)
 212 {
 213
 214         if( dir )
 215                 refresh_frame(CHANGE_NONE, dir);
 216
 217         gui->lock_window("CWindow::update 2");
 218 // Create tool window
 219         if( operation )
 220                 gui->set_operation(mwindow->edl->session->cwindow_operation);
 221
 222 // Updated by video device.
 223         if( overlays && !dir )
 224                 gui->canvas->draw_refresh();
 225
 226 // Update tool parameters
 227 // Never updated by someone else
 228         if( tool_window || dir )
 229                 gui->update_tool();
 230
 231         if( timebar )
 232                 gui->timebar->update(1);
 233
 234         double zoom = !mwindow->edl->session->cwindow_scrollbars ?
 235                 0 :mwindow->edl->session->cwindow_zoom;
 236         gui->zoom_panel->update(zoom);
 237
 238         gui->canvas->update_zoom(mwindow->edl->session->cwindow_xscroll,
 239                         mwindow->edl->session->cwindow_yscroll,
 240                         mwindow->edl->session->cwindow_zoom);
 241         gui->canvas->update_geometry(mwindow->edl,
 242                         mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
 243                         mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
 244
 245         gui->unlock_window();
 246 }
 247
 248 int CWindow::update_position(double position)
 249 {
 250         gui->unlock_window();
 251
 252         playback_engine->interrupt_playback(1);
 253
 254         position = mwindow->edl->align_to_frame(position, 0);
 255         position = MAX(0, position);
 256
 257         mwindow->gui->lock_window("CWindowSlider::handle_event 2");
 258         mwindow->select_point(position);
 259         mwindow->gui->unlock_window();
 260
 261         gui->lock_window("CWindow::update_position 1");
 262         return 1;
 263 }
 264
 265 void CWindow::refresh_frame(int change_type, EDL *edl, int dir)
 266 {
 267         mwindow->refresh_mixers(dir);
 268         playback_engine->refresh_frame(change_type, edl, dir);
 269 }
 270
 271 void CWindow::refresh_frame(int change_type, int dir)
 272 {
 273         refresh_frame(change_type, mwindow->edl, dir);
 274 }
 275
 276 CWindowRemoteHandler::
 277 CWindowRemoteHandler(RemoteControl *remote_control)
 278  : RemoteHandler(remote_control->gui, RED)
 279 {
 280         last_key = -1;
 281 }
 282
 283 CWindowRemoteHandler::
 284 ~CWindowRemoteHandler()
 285 {
 286 }
 287
 288 int CWindowRemoteHandler::remote_process_key(RemoteControl *remote_control, int key)
 289 {
 290         MWindowGUI *mwindow_gui = remote_control->mwindow_gui;
 291         EDL *edl = mwindow_gui->mwindow->edl;
 292         if( !edl ) return 0;
 293         PlayTransport *transport = mwindow_gui->mbuttons->transport;
 294         if( !transport->get_edl() ) return 0;
 295         PlaybackEngine *engine = transport->engine;
 296         double position = engine->get_tracking_position();
 297         double length = edl->tracks->total_length();
 298         int next_command = -1, lastkey = last_key;
 299         last_key = key;
 300
 301         switch( key ) {
 302         case '1': case '2': case '3': case '4':
 303         case '5': case '6': case '7': case '8':
 304                 if( lastkey == 'e' ) {
 305                         mwindow_gui->mwindow->select_asset(key-'1', 1);
 306                         break;
 307                 } // fall through
 308         case '0': case '9':
 309                 position = length * (key-'0')/10.0;
 310                 break;
 311         case UP:      position += 60.0;                 break;
 312         case DOWN:    position -= 60.0;                 break;
 313         case LEFT:    position -= 10.0;                 break;
 314         case RIGHT:   position += 10.0;                 break;
 315         case KPSTOP:  next_command = STOP;              break;
 316         case KPREV:   next_command = NORMAL_REWIND;     break;
 317         case KPPLAY:  next_command = NORMAL_FWD;        break;
 318         case KPBACK:  next_command = FAST_REWIND;       break;
 319         case KPFWRD:  next_command = FAST_FWD;          break;
 320         case KPRECD:  next_command = SLOW_REWIND;       break;
 321         case KPAUSE:  next_command = SLOW_FWD;          break;
 322         case ' ':  next_command = NORMAL_FWD;           break;
 323         case 'a':  gui->tile_windows(0);                return 1;
 324         case 'b':  gui->tile_windows(1);                return 1;
 325         case 'c':  gui->tile_windows(2);                return 1;
 326 #ifdef HAVE_DVB
 327         case 'd':
 328                 mwindow_gui->channel_info->toggle_scan();
 329                 return 1;
 330 #endif
 331         case 'e':
 332                 break;
 333         case 'f': {
 334                 Canvas *canvas = mwindow_gui->mwindow->cwindow->gui->canvas;
 335                 if( !canvas->get_fullscreen() )
 336                         canvas->start_fullscreen();
 337                 else
 338                         canvas->stop_fullscreen();
 339                 return 1; }
 340         default:
 341                 return -1;
 342         }
 343
 344         if( next_command < 0 ) {
 345                 if( position < 0 ) position = 0;
 346                 transport->change_position(position);
 347         }
 348         else
 349                 transport->handle_transport(next_command);
 350         return 1;
 351 }
 352