cinelerra-5.1/cinelerra/keyframepopup.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 "apatchgui.h"
  23 #include "atrack.h"
  24 #include "autoconf.h"
  25 #include "autos.h"
  26 #include "bcwindowbase.h"
  27 #include "cpanel.h"
  28 #include "cwindowgui.h"
  29 #include "cwindow.h"
  30 #include "edl.h"
  31 #include "edlsession.h"
  32 #include "filexml.h"
  33 #include "floatauto.h"
  34 #include "gwindow.h"
  35 #include "gwindowgui.h"
  36 #include "intauto.h"
  37 #include "keyframe.h"
  38 #include "keyframepopup.h"
  39 #include "language.h"
  40 #include "localsession.h"
  41 #include "maincursor.h"
  42 #include "mainmenu.h"
  43 #include "mainundo.h"
  44 #include "mwindowgui.h"
  45 #include "mwindow.h"
  46 #include "patchbay.h"
  47 #include "patchgui.h"
  48 #include "timelinepane.h"
  49 #include "track.h"
  50 #include "vtrack.h"
  51
  52 KeyframePopup::KeyframePopup(MWindow *mwindow, MWindowGUI *gui)
  53  : BC_PopupMenu(0, 0, 0, "", 0)
  54 {
  55         this->mwindow = mwindow;
  56         this->gui = gui;
  57         key_hide = 0;
  58         key_show = 0;
  59         key_delete = 0;
  60         key_copy = 0;
  61         key_smooth = 0;
  62         key_linear = 0;
  63         key_free = 0;
  64         key_mbar = 0;
  65         key_mode_displayed = false;
  66         key_edit_displayed = false;
  67 }
  68
  69 KeyframePopup::~KeyframePopup()
  70 {
  71         if( !key_mode_displayed ) {
  72                 delete key_mbar;
  73                 delete key_smooth;
  74                 delete key_linear;
  75                 delete key_free_t;
  76                 delete key_free;
  77         }
  78         if( !key_edit_displayed ) {
  79                 delete key_edit;
  80         }
  81 }
  82
  83 void KeyframePopup::create_objects()
  84 {
  85         add_item(key_show = new KeyframePopupShow(mwindow, this));
  86         add_item(key_hide = new KeyframePopupHide(mwindow, this));
  87         add_item(key_delete = new KeyframePopupDelete(mwindow, this));
  88         add_item(key_copy = new KeyframePopupCopy(mwindow, this));
  89
  90         key_edit   = new KeyframePopupEdit(mwindow, this);
  91         key_mbar   = new BC_MenuItem("-");
  92         key_smooth = new KeyframePopupCurveMode(mwindow, this, FloatAuto::SMOOTH);
  93         key_linear = new KeyframePopupCurveMode(mwindow, this, FloatAuto::LINEAR);
  94         key_free_t = new KeyframePopupCurveMode(mwindow, this, FloatAuto::TFREE );
  95         key_free   = new KeyframePopupCurveMode(mwindow, this, FloatAuto::FREE  );
  96 }
  97
  98 int KeyframePopup::update(Plugin *plugin, KeyFrame *keyframe)
  99 {
 100         key_show->set_text(_("Show Plugin Settings"));
 101         this->keyframe_plugin = plugin;
 102         this->keyframe_auto = keyframe;
 103         this->keyframe_autos = 0;
 104         this->keyframe_automation = 0;
 105         handle_curve_mode(0, 0);
 106         return 0;
 107 }
 108
 109 int KeyframePopup::update(Automation *automation, Autos *autos, Auto *auto_keyframe)
 110 {
 111         key_show->set_text(_(GWindowGUI::auto_text[autos->autoidx]));
 112         this->keyframe_plugin = 0;
 113         this->keyframe_automation = automation;
 114         this->keyframe_autos = autos;
 115         this->keyframe_auto = auto_keyframe;
 116         handle_curve_mode(autos, auto_keyframe);
 117
 118         /* snap to cursor */
 119         double current_position = mwindow->edl->local_session->get_selectionstart(1);
 120         double new_position = keyframe_automation->track->from_units(keyframe_auto->position);
 121         mwindow->edl->local_session->set_selectionstart(new_position);
 122         mwindow->edl->local_session->set_selectionend(new_position);
 123         if (current_position != new_position)
 124         {
 125                 mwindow->edl->local_session->set_selectionstart(new_position);
 126                 mwindow->edl->local_session->set_selectionend(new_position);
 127                 mwindow->gui->lock_window();
 128                 mwindow->gui->update(1, 1, 1, 1, 1, 1, 0);
 129                 mwindow->gui->unlock_window();
 130         }
 131         return 0;
 132 }
 133
 134 void KeyframePopup::handle_curve_mode(Autos *autos, Auto *auto_keyframe)
 135 // determines the type of automation node. if floatauto, adds
 136 // menu entries showing the curve mode of the node
 137 {
 138         deactivate();
 139         if( !key_edit_displayed && keyframe_plugin ) {
 140                 add_item(key_edit);
 141                 key_edit_displayed = true;
 142         }
 143         else if( key_edit_displayed && !keyframe_plugin ) {
 144                 remove_item(key_edit);
 145                 key_edit_displayed = false;
 146         }
 147
 148         if(!key_mode_displayed && autos && autos->get_type() == AUTOMATION_TYPE_FLOAT)
 149         { // append additional menu entries showing the curve_mode
 150                 add_item(key_mbar);
 151                 add_item(key_smooth);
 152                 add_item(key_linear);
 153                 add_item(key_free_t);
 154                 add_item(key_free);
 155                 key_mode_displayed = true;
 156         }
 157         else if(key_mode_displayed && (!autos || autos->get_type() != AUTOMATION_TYPE_FLOAT))
 158         { // remove additional menu entries
 159                 remove_item(key_free);
 160                 remove_item(key_free_t);
 161                 remove_item(key_linear);
 162                 remove_item(key_smooth);
 163                 remove_item(key_mbar);
 164                 key_mode_displayed = false;
 165         }
 166         if(key_mode_displayed && auto_keyframe)
 167         { // set checkmarks to display current mode
 168                 key_smooth->toggle_mode((FloatAuto*)auto_keyframe);
 169                 key_linear->toggle_mode((FloatAuto*)auto_keyframe);
 170                 key_free_t->toggle_mode((FloatAuto*)auto_keyframe);
 171                 key_free  ->toggle_mode((FloatAuto*)auto_keyframe);
 172         }
 173         activate();
 174 }
 175
 176 KeyframePopupDelete::KeyframePopupDelete(MWindow *mwindow, KeyframePopup *popup)
 177  : BC_MenuItem(_("Delete keyframe"))
 178 {
 179         this->mwindow = mwindow;
 180         this->popup = popup;
 181 }
 182
 183 KeyframePopupDelete::~KeyframePopupDelete()
 184 {
 185 }
 186
 187 int KeyframePopupDelete::handle_event()
 188 {
 189         mwindow->undo->update_undo_before(_("delete keyframe"), 0);
 190         delete popup->keyframe_auto;
 191         mwindow->undo->update_undo_after(_("delete keyframe"), LOAD_ALL);
 192
 193         mwindow->save_backup();
 194         mwindow->gui->update(0, 1,      // 1 for incremental drawing.  2 for full refresh
 195                 0, 0, 0, 0, 0);
 196         mwindow->update_plugin_guis();
 197         mwindow->restart_brender();
 198         mwindow->sync_parameters(CHANGE_EDL);
 199
 200         return 1;
 201 }
 202
 203 KeyframePopupHide::KeyframePopupHide(MWindow *mwindow, KeyframePopup *popup)
 204  : BC_MenuItem(_("Hide keyframe type"))
 205 {
 206         this->mwindow = mwindow;
 207         this->popup = popup;
 208 }
 209
 210 KeyframePopupHide::~KeyframePopupHide()
 211 {
 212 }
 213
 214 int KeyframePopupHide::handle_event()
 215 {
 216         if( popup->keyframe_autos )
 217                 mwindow->set_auto_visibility(popup->keyframe_autos, 0);
 218         return 1;
 219 }
 220
 221 KeyframePopupShow::KeyframePopupShow(MWindow *mwindow, KeyframePopup *popup)
 222  : BC_MenuItem(_("Show keyframe settings"))
 223 {
 224         this->mwindow = mwindow;
 225         this->popup = popup;
 226 }
 227
 228 KeyframePopupShow::~KeyframePopupShow()
 229 {
 230 }
 231
 232 PatchGUI *KeyframePopupShow::get_patchgui(Track *track)
 233 {
 234         PatchGUI *patchgui = 0;
 235         TimelinePane **panes = mwindow->gui->pane;
 236         for( int i=0; i<TOTAL_PANES && !patchgui; ++i ) {
 237                 if( !panes[i] ) continue;
 238                 PatchBay *patchbay = panes[i]->patchbay;
 239                 if( !patchbay ) continue;
 240                 for( int j=0; j<patchbay->patches.total && !patchgui; ++j ) {
 241                         if( patchbay->patches.values[j]->track == track )
 242                                 patchgui = patchbay->patches.values[j];
 243                 }
 244         }
 245         return patchgui;
 246 }
 247
 248 int KeyframePopupShow::handle_event()
 249 {
 250         MWindowGUI *mgui = mwindow->gui;
 251         CWindowGUI *cgui = mwindow->cwindow->gui;
 252         int cx = mgui->get_relative_cursor_x()+15, cy = mgui->get_relative_cursor_y()-15;
 253         delete mgui->keyvalue_popup;
 254         mgui->keyvalue_popup = 0;
 255
 256         if( popup->keyframe_plugin ) {
 257                 mwindow->update_plugin_guis();
 258                 mwindow->show_plugin(popup->keyframe_plugin);
 259         }
 260         else if( popup->keyframe_automation ) {
 261                 cgui->lock_window();
 262                 int show_window = 1;
 263
 264                 switch( popup->keyframe_autos->autoidx ) {
 265                 case AUTOMATION_CAMERA_X:
 266                 case AUTOMATION_CAMERA_Y:
 267                 case AUTOMATION_CAMERA_Z: {
 268                         cgui->set_operation(CWINDOW_CAMERA);
 269                         break; }
 270
 271                 case AUTOMATION_PROJECTOR_X:
 272                 case AUTOMATION_PROJECTOR_Y:
 273                 case AUTOMATION_PROJECTOR_Z: {
 274                         cgui->set_operation(CWINDOW_PROJECTOR);
 275                         break; }
 276
 277                 case AUTOMATION_MASK: {
 278                         cgui->set_operation(CWINDOW_MASK);
 279                         break; }
 280
 281                 default: {
 282                         show_window = 0;
 283                         PatchGUI *patchgui = get_patchgui(popup->keyframe_automation->track);
 284                         if( !patchgui ) break;
 285
 286                         switch( popup->keyframe_autos->autoidx ) {
 287                         case AUTOMATION_MODE: {
 288                                 VKeyModePatch *mode = new VKeyModePatch(mwindow, (VPatchGUI *)patchgui);
 289                                 mgui->add_subwindow(mode);
 290                                 mode->create_objects();
 291                                 mode->activate_menu();
 292                                 mgui->keyvalue_popup = mode;
 293                         break; }
 294
 295                         case AUTOMATION_PAN: {
 296                                 AKeyPanPatch *pan = new AKeyPanPatch(mwindow, (APatchGUI *)patchgui);
 297                                 mgui->add_subwindow(pan);
 298                                 pan->create_objects();
 299                                 pan->activate(cx, cy);
 300                                 mgui->keyvalue_popup = pan;
 301                         break; }
 302
 303                         case AUTOMATION_FADE: {
 304                                 switch( patchgui->data_type ) {
 305                                 case TRACK_AUDIO: {
 306                                         AKeyFadePatch *fade = new AKeyFadePatch(mwindow, (APatchGUI *)patchgui, cx, cy);
 307                                         mgui->add_subwindow(fade);
 308                                         fade->create_objects();
 309                                         mgui->keyvalue_popup = fade;
 310                                         break; }
 311                                 case TRACK_VIDEO: {
 312                                         VKeyFadePatch *fade = new VKeyFadePatch(mwindow, (VPatchGUI *)patchgui, cx, cy);
 313                                         mgui->add_subwindow(fade);
 314                                         fade->create_objects();
 315                                         mgui->keyvalue_popup = fade;
 316                                         break; }
 317                                 }
 318                                 break; }
 319
 320                         case AUTOMATION_SPEED: {
 321                                 KeySpeedPatch *speed = new KeySpeedPatch(mwindow, patchgui, cx, cy);
 322                                 mgui->add_subwindow(speed);
 323                                 speed->create_objects();
 324                                 mgui->keyvalue_popup = speed;
 325                                 break; }
 326
 327                         case AUTOMATION_MUTE: {
 328                                 KeyMutePatch *mute = new KeyMutePatch(mwindow, (APatchGUI *)patchgui, cx, cy);
 329                                 mgui->add_subwindow(mute);
 330                                 mute->create_objects();
 331                                 mgui->keyvalue_popup = mute;
 332                                 break; }
 333                         }
 334                         break; }
 335                 }
 336
 337 // ensure bringing to front
 338                 if( show_window ) {
 339                         mwindow->show_cwindow();
 340                         CPanelToolWindow *panel_tool_window =
 341                                 (CPanelToolWindow *)cgui->composite_panel->operation[CWINDOW_TOOL_WINDOW];
 342                         panel_tool_window->set_shown(0);
 343                         panel_tool_window->set_shown(1);
 344                 }
 345                 cgui->unlock_window();
 346         }
 347         return 1;
 348 }
 349
 350
 351
 352 KeyframePopupCopy::KeyframePopupCopy(MWindow *mwindow, KeyframePopup *popup)
 353  : BC_MenuItem(_("Copy keyframe"))
 354 {
 355         this->mwindow = mwindow;
 356         this->popup = popup;
 357 }
 358
 359 KeyframePopupCopy::~KeyframePopupCopy()
 360 {
 361 }
 362
 363 int KeyframePopupCopy::handle_event()
 364 {
 365 /*
 366         FIXME:
 367         we want to copy just keyframe under cursor, NOT all keyframes at this frame
 368         - very hard to do, so this is good approximation for now...
 369 */
 370
 371 #if 0
 372         if (popup->keyframe_automation)
 373         {
 374                 FileXML file;
 375                 EDL *edl = mwindow->edl;
 376                 Track *track = popup->keyframe_automation->track;
 377                 int64_t position = popup->keyframe_auto->position;
 378                 AutoConf autoconf;
 379 // first find out type of our auto
 380                 autoconf.set_all(0);
 381                 if (popup->keyframe_autos == (Autos *)popup->keyframe_automation->projector_autos)
 382                         autoconf.projector = 1;
 383                 else if (popup->keyframe_autos == (Autos *)popup->keyframe_automation->pzoom_autos)
 384                         autoconf.pzoom = 1;
 385                 else if (popup->keyframe_autos == (Autos *)popup->keyframe_automation->camera_autos)
 386                         autoconf.camera = 1;
 387                 else if (popup->keyframe_autos == (Autos *)popup->keyframe_automation->czoom_autos)
 388                         autoconf.czoom = 1;
 389                 else if (popup->keyframe_autos == (Autos *)popup->keyframe_automation->mode_autos)
 390                         autoconf.mode = 1;
 391                 else if (popup->keyframe_autos == (Autos *)popup->keyframe_automation->mask_autos)
 392                         autoconf.mask = 1;
 393                 else if (popup->keyframe_autos == (Autos *)popup->keyframe_automation->pan_autos)
 394                         autoconf.pan = 1;
 395                 else if (popup->keyframe_autos == (Autos *)popup->keyframe_automation->fade_autos)
 396                         autoconf.fade = 1;
 397                 else if (popup->keyframe_autos == (Autos *)popup->keyframe_automation->mute_autos)
 398                         autoconf.mute = 1;
 399
 400
 401 // now create a clipboard
 402                 file.tag.set_title("AUTO_CLIPBOARD");
 403                 file.tag.set_property("LENGTH", 0);
 404                 file.tag.set_property("FRAMERATE", edl->session->frame_rate);
 405                 file.tag.set_property("SAMPLERATE", edl->session->sample_rate);
 406                 file.append_tag();
 407                 file.append_newline();
 408                 file.append_newline();
 409
 410 /*              track->copy_automation(position,
 411                         position,
 412                         &file,
 413                         0,
 414                         0);
 415                         */
 416                 file.tag.set_title("TRACK");
 417 // Video or audio
 418                 track->save_header(&file);
 419                 file.append_tag();
 420                 file.append_newline();
 421
 422                 track->automation->copy(position,
 423                         position,
 424                         &file,
 425                         0,
 426                         0,
 427                         &autoconf);
 428                 file.tag.set_title("/TRACK");
 429                 file.append_tag();
 430                 file.append_newline();
 431                 file.append_newline();
 432                 file.append_newline();
 433                 file.append_newline();
 434
 435                 file.tag.set_title("/AUTO_CLIPBOARD");
 436                 file.append_tag();
 437                 file.append_newline();
 438                 file.terminate_string();
 439
 440                 mwindow->gui->lock_window();
 441                 mwindow->gui->to_clipboard(file.string, strlen(file.string), SECONDARY_SELECTION);
 442                 mwindow->gui->unlock_window();
 443
 444         } else
 445 #endif
 446                 mwindow->copy_automation();
 447         return 1;
 448 }
 449
 450
 451
 452 KeyframePopupCurveMode::KeyframePopupCurveMode(
 453         MWindow *mwindow,
 454         KeyframePopup *popup,
 455         int curve_mode)
 456  : BC_MenuItem( get_labeltext(curve_mode))
 457 {
 458         this->curve_mode = curve_mode;
 459         this->mwindow = mwindow;
 460         this->popup = popup;
 461 }
 462
 463 KeyframePopupCurveMode::~KeyframePopupCurveMode() { }
 464
 465
 466 const char* KeyframePopupCurveMode::get_labeltext(int mode)
 467 {
 468         switch(mode) {
 469         case FloatAuto::SMOOTH: return _("smooth curve");
 470         case FloatAuto::LINEAR: return _("linear segments");
 471         case FloatAuto::TFREE:  return _("tangent edit");
 472         case FloatAuto::FREE:   return _("disjoint edit");
 473         }
 474         return _("misconfigured");
 475 }
 476
 477
 478 void KeyframePopupCurveMode::toggle_mode(FloatAuto *keyframe)
 479 {
 480         set_checked(curve_mode == keyframe->curve_mode);
 481 }
 482
 483
 484 int KeyframePopupCurveMode::handle_event()
 485 {
 486         if (popup->keyframe_autos &&
 487             popup->keyframe_autos->get_type() == AUTOMATION_TYPE_FLOAT)
 488         {
 489                 mwindow->undo->update_undo_before(_("change keyframe curve mode"), 0);
 490                 ((FloatAuto*)popup->keyframe_auto)->
 491                         change_curve_mode((FloatAuto::t_mode)curve_mode);
 492
 493                 // if we switched to some "auto" mode, this may imply a
 494                 // real change to parameters, so this needs to be undoable...
 495                 mwindow->undo->update_undo_after(_("change keyframe curve mode"), LOAD_ALL);
 496                 mwindow->save_backup();
 497
 498                 mwindow->gui->update(0, 1, 0,0,0,0,0); // incremental redraw for canvas
 499                 mwindow->cwindow->update(0,0, 1, 0,0); // redraw tool window in compositor
 500                 mwindow->update_plugin_guis();
 501                 mwindow->restart_brender();
 502                 mwindow->sync_parameters(CHANGE_EDL);
 503         }
 504         return 1;
 505 }
 506
 507
 508 KeyframePopupEdit::KeyframePopupEdit(MWindow *mwindow, KeyframePopup *popup)
 509  : BC_MenuItem(_("Edit Params..."))
 510 {
 511         this->mwindow = mwindow;
 512         this->popup = popup;
 513 }
 514
 515 int KeyframePopupEdit::handle_event()
 516 {
 517         mwindow->show_keyframe_gui(popup->keyframe_plugin);
 518         return 1;
 519 }
 520
 521
 522 KeyframeHidePopup::KeyframeHidePopup(MWindow *mwindow, MWindowGUI *gui)
 523  : BC_PopupMenu(0, 0, 0, "", 0)
 524 {
 525         this->mwindow = mwindow;
 526         this->gui = gui;
 527         this->keyframe_autos = 0;
 528 }
 529
 530 KeyframeHidePopup::~KeyframeHidePopup()
 531 {
 532 }
 533
 534 void KeyframeHidePopup::create_objects()
 535 {
 536         add_item(new KeyframeHideItem(mwindow, this));
 537 }
 538
 539 int KeyframeHidePopup::update(Autos *autos)
 540 {
 541         this->keyframe_autos = autos;
 542         return 0;
 543 }
 544
 545 KeyframeHideItem::KeyframeHideItem(MWindow *mwindow, KeyframeHidePopup *popup)
 546  : BC_MenuItem(_("Hide keyframe type"))
 547 {
 548         this->mwindow = mwindow;
 549         this->popup = popup;
 550 }
 551
 552
 553 int KeyframeHideItem::handle_event()
 554 {
 555         if( popup->keyframe_autos )
 556                 mwindow->set_auto_visibility(popup->keyframe_autos, 0);
 557         return 1;
 558 }
 559
 560
 561
 562 KeyMutePatch::KeyMutePatch(MWindow *mwindow, PatchGUI *patch, int x, int y)
 563  : BC_SubWindow(x, y, 100, 20, GWindowGUI::auto_colors[AUTOMATION_MUTE])
 564 {
 565         this->mwindow = mwindow;
 566         this->patch = patch;
 567 }
 568
 569 void KeyMutePatch::create_objects()
 570 {
 571         key_mute_checkbox = new KeyMuteValue(this);
 572         add_subwindow(key_mute_checkbox);
 573         key_mute_checkbox->activate();
 574         show_window();
 575 }
 576
 577 KeyMuteValue::KeyMuteValue(KeyMutePatch *key_mute_patch)
 578  : BC_CheckBox(0,0, key_mute_patch->mwindow->
 579         get_int_auto(key_mute_patch->patch, AUTOMATION_MUTE)->value,
 580         _("Mute"), MEDIUMFONT, RED)
 581 {
 582         this->key_mute_patch = key_mute_patch;
 583 }
 584
 585 int KeyMuteValue::button_release_event()
 586 {
 587         BC_CheckBox::button_release_event();
 588         return 0;
 589 }
 590
 591 void KeyMuteValue::update_edl()
 592 {
 593         MWindow *mwindow = key_mute_patch->mwindow;
 594         PatchGUI *patch = key_mute_patch->patch;
 595         double position = mwindow->edl->local_session->get_selectionstart(1);
 596         Autos *mute_autos = patch->track->automation->autos[AUTOMATION_MUTE];
 597         int need_undo = !mute_autos->auto_exists_for_editing(position);
 598         mwindow->undo->update_undo_before(_("mute"), need_undo ? 0 : this);
 599         IntAuto *current = (IntAuto*)mute_autos->get_auto_for_editing(position);
 600         current->value = this->get_value();
 601         mwindow->undo->update_undo_after(_("mute"), LOAD_AUTOMATION);
 602 }
 603
 604 int KeyMuteValue::handle_event()
 605 {
 606         MWindow *mwindow = key_mute_patch->mwindow;
 607         PatchGUI *patch = key_mute_patch->patch;
 608         patch->change_source = 1;
 609         update_edl();
 610         patch->change_source = 0;
 611         mwindow->sync_parameters(CHANGE_PARAMS);
 612         if(mwindow->edl->session->auto_conf->autos[AUTOMATION_MUTE]) {
 613                 mwindow->gui->update_patchbay();
 614                 mwindow->gui->draw_overlays(1);
 615         }
 616         return 1;
 617 }
 618
 619 KeySpeedPatch::KeySpeedPatch(MWindow *mwindow, PatchGUI *patch, int x, int y)
 620  : BC_SubWindow(x,y, 200,20, GWindowGUI::auto_colors[AUTOMATION_SPEED])
 621 {
 622         this->mwindow = mwindow;
 623         this->patch = patch;
 624 }
 625
 626 void KeySpeedPatch::create_objects()
 627 {
 628         key_speed_slider = new KeySpeedValue(this);
 629         add_subwindow(key_speed_slider);
 630         key_speed_slider->activate();
 631         show_window();
 632 }
 633
 634 KeySpeedValue::KeySpeedValue(KeySpeedPatch *key_speed_patch)
 635  : BC_FSlider(0,0, 0, key_speed_patch->get_w(), key_speed_patch->get_w(),
 636         key_speed_patch->mwindow->edl->local_session->automation_mins[AUTOGROUPTYPE_SPEED],
 637         key_speed_patch->mwindow->edl->local_session->automation_maxs[AUTOGROUPTYPE_SPEED],
 638         key_speed_patch->mwindow->get_float_auto(key_speed_patch->patch, AUTOMATION_SPEED)->get_value())
 639 {
 640         this->key_speed_patch = key_speed_patch;
 641         set_precision(0.01);
 642 }
 643
 644 KeySpeedValue::~KeySpeedValue()
 645 {
 646 }
 647
 648 int KeySpeedValue::button_release_event()
 649 {
 650         BC_FSlider::button_release_event();
 651         return 0;
 652 }
 653
 654 void KeySpeedValue::update_edl()
 655 {
 656         MWindow *mwindow = key_speed_patch->mwindow;
 657         PatchGUI *patch = key_speed_patch->patch;
 658         double position = mwindow->edl->local_session->get_selectionstart(1);
 659         Autos *speed_autos = patch->track->automation->autos[AUTOMATION_SPEED];
 660         int need_undo = !speed_autos->auto_exists_for_editing(position);
 661         mwindow->undo->update_undo_before(_("speed"), need_undo ? 0 : this);
 662         FloatAuto *current = (FloatAuto*)speed_autos->get_auto_for_editing(position);
 663         current->set_value(get_value());
 664         mwindow->undo->update_undo_after(_("speed"), LOAD_AUTOMATION);
 665 }
 666
 667 int KeySpeedValue::handle_event()
 668 {
 669         MWindow *mwindow = key_speed_patch->mwindow;
 670         PatchGUI *patch = key_speed_patch->patch;
 671         if( shift_down() ) {
 672                 update(1.0);
 673                 set_tooltip(get_caption());
 674         }
 675
 676         patch->change_source = 1;
 677         update_edl();
 678         patch->change_source = 0;
 679         mwindow->sync_parameters(CHANGE_PARAMS);
 680         if(mwindow->edl->session->auto_conf->autos[AUTOMATION_SPEED]) {
 681                 mwindow->gui->draw_overlays(1);
 682         }
 683         return 1;
 684 }
 685