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->mask_track_id = -1;
  65         this->gui = 0;
  66 }
  67
  68
  69 CWindow::~CWindow()
  70 {
  71         if(gui && running()) {
  72                 gui->set_done(0);
  73         }
  74         join();
  75         delete gui;  gui = 0;
  76         delete playback_engine;
  77         delete playback_cursor;
  78 }
  79
  80 void CWindow::create_objects()
  81 {
  82         gui = new CWindowGUI(mwindow, this);
  83         gui->create_objects();
  84         playback_engine = new CPlayback(mwindow, this, gui->canvas);
  85 // Start command loop
  86         playback_engine->create_objects();
  87         gui->transport->set_engine(playback_engine);
  88         playback_cursor = new CTracking(mwindow, this);
  89         playback_cursor->create_objects();
  90 }
  91
  92
  93 void CWindow::show_window()
  94 {
  95         gui->lock_window("CWindow::show_cwindow");
  96         gui->show_window();
  97         gui->raise_window();
  98         gui->flush();
  99         gui->unlock_window();
 100
 101         gui->tool_panel->show_tool();
 102 }
 103
 104 void CWindow::hide_window()
 105 {
 106         gui->hide_window();
 107         gui->mwindow->session->show_cwindow = 0;
 108 // Unlock in case MWindow is waiting for it.
 109         gui->unlock_window();
 110
 111         gui->tool_panel->hide_tool();
 112
 113         mwindow->gui->lock_window("CWindowGUI::close_event");
 114         mwindow->gui->mainmenu->show_cwindow->set_checked(0);
 115         mwindow->gui->unlock_window();
 116         mwindow->save_defaults();
 117
 118         gui->lock_window("CWindow::hide_window");
 119 }
 120
 121
 122 Track* CWindow::calculate_affected_track()
 123 {
 124         Track *track = mwindow->edl->tracks->first;
 125         for( ; track; track=track->next ) {
 126                 if( track->data_type != TRACK_VIDEO ) continue;
 127                 if( track->is_armed() ) break;
 128         }
 129         return track;
 130 }
 131
 132 Track* CWindow::calculate_mask_track()
 133 {
 134         Track *track = mwindow->edl->tracks->first;
 135         for( ; track; track=track->next ) {
 136                 if( track->data_type != TRACK_VIDEO ) continue;
 137                 if( track->is_armed() && track->get_id() == mask_track_id ) break;
 138         }
 139         return track;
 140 }
 141
 142
 143 Auto* CWindow::calculate_affected_auto(Autos *autos,
 144                 int create, int *created, int redraw)
 145 {
 146         Auto* affected_auto = 0;
 147         if( created ) *created = 0;
 148
 149         if( create ) {
 150                 int total = autos->total();
 151                 affected_auto = autos->get_auto_for_editing(-1, create);
 152
 153 // Got created
 154                 if( total != autos->total() ) {
 155                         if( created ) *created = 1;
 156                         if( redraw ) {
 157 // May have to unlock CWindowGUI here.
 158                                 mwindow->gui->lock_window("CWindow::calculate_affected_auto");
 159                                 mwindow->gui->draw_overlays(1);
 160                                 mwindow->gui->unlock_window();
 161                         }
 162                 }
 163         }
 164         else {
 165                 affected_auto = autos->get_prev_auto(PLAY_FORWARD, affected_auto);
 166         }
 167
 168         return affected_auto;
 169 }
 170
 171
 172
 173 void CWindow::calculate_affected_autos(Track *track,
 174                 FloatAuto **x_auto, FloatAuto **y_auto, FloatAuto **z_auto,
 175                 int use_camera, int create_x, int create_y, int create_z,
 176                 int redraw)
 177 {
 178         if( x_auto ) *x_auto = 0;
 179         if( y_auto ) *y_auto = 0;
 180         if( z_auto ) *z_auto = 0;
 181         if( !track ) return;
 182
 183         int ix = use_camera ? AUTOMATION_CAMERA_X : AUTOMATION_PROJECTOR_X, x_created = 0;
 184         int iy = use_camera ? AUTOMATION_CAMERA_Y : AUTOMATION_PROJECTOR_Y, y_created = 0;
 185         int iz = use_camera ? AUTOMATION_CAMERA_Z : AUTOMATION_PROJECTOR_Z, z_created = 0;
 186
 187         if( x_auto )
 188                 *x_auto = (FloatAuto*) calculate_affected_auto(track->automation->autos[ix],
 189                                 create_x, &x_created, redraw);
 190         if( y_auto )
 191                 *y_auto = (FloatAuto*) calculate_affected_auto(track->automation->autos[iy],
 192                                 create_y, &y_created, redraw);
 193         if( z_auto )
 194                 *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 CWindowKeyEvHandler::
 274 CWindowKeyEvHandler(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 CWindowKeyEvHandler::
 284 ~CWindowKeyEvHandler()
 285 {
 286 }
 287
 288 int CWindowKeyEvHandler::remote_key(int key)
 289 {
 290         return remote_process_key(remote_control, key);
 291 }
 292
 293 int CWindowKeyEvHandler::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         case KPFSCRN:
 330         case 'f': {
 331                 CWindowCanvas *canvas = mwindow->cwindow->gui->canvas;
 332                 int on = canvas->get_fullscreen() ? 0 : 1;
 333                 canvas->Canvas::set_fullscreen(on, 0);
 334                 return 1; }
 335         default:
 336                 return -1;
 337         }
 338
 339         if( next_command < 0 ) {
 340                 if( position < 0 ) position = 0;
 341                 transport->change_position(position);
 342         }
 343         else
 344                 transport->handle_transport(next_command);
 345         return 1;
 346 }
 347