cinelerra-5.1/cinelerra/apatchgui.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 "apatchgui.inc"
  24 #include "atrack.h"
  25 #include "autoconf.h"
  26 #include "automation.h"
  27 #include "edl.h"
  28 #include "edlsession.h"
  29 #include "floatauto.h"
  30 #include "floatautos.h"
  31 #include "language.h"
  32 #include "localsession.h"
  33 #include "mainundo.h"
  34 #include "mwindow.h"
  35 #include "mwindowgui.h"
  36 #include "panauto.h"
  37 #include "panautos.h"
  38 #include "patchbay.h"
  39 #include "theme.h"
  40 #include "trackcanvas.h"
  41
  42
  43
  44
  45 APatchGUI::APatchGUI(MWindow *mwindow,
  46         PatchBay *patchbay,
  47         ATrack *track,
  48         int x,
  49         int y)
  50  : PatchGUI(mwindow,
  51         patchbay,
  52         track,
  53         x,
  54         y)
  55 {
  56         data_type = TRACK_AUDIO;
  57         this->atrack = track;
  58         meter = 0;
  59         pan = 0;
  60         fade = 0;
  61 }
  62
  63 APatchGUI::~APatchGUI()
  64 {
  65         if(fade) delete fade;
  66         if(meter) delete meter;
  67         if(pan) delete pan;
  68 }
  69
  70 void APatchGUI::create_objects()
  71 {
  72         update(x, y);
  73 }
  74
  75 int APatchGUI::reposition(int x, int y)
  76 {
  77         int y1 = PatchGUI::reposition(x, y);
  78
  79         if(fade) fade->reposition_window(fade->get_x(),
  80                 y1 + y);
  81         y1 += mwindow->theme->fade_h;
  82
  83         if(meter) meter->reposition_window(meter->get_x(),
  84                 y1 + y,
  85                 -1,
  86                 meter->get_w());
  87         y1 += mwindow->theme->meter_h;
  88
  89         if(pan) pan->reposition_window(pan->get_x(),
  90                 y1 + y);
  91
  92         if(nudge) nudge->reposition_window(nudge->get_x(),
  93                 y1 + y);
  94
  95         y1 += mwindow->theme->pan_h;
  96         return y1;
  97 }
  98
  99 int APatchGUI::update(int x, int y)
 100 {
 101         int h = track->vertical_span(mwindow->theme);
 102         int x1 = 0;
 103         int y1 = PatchGUI::update(x, y);
 104
 105         if(fade)
 106         {
 107                 if(h - y1 < mwindow->theme->fade_h)
 108                 {
 109                         delete fade;
 110                         fade = 0;
 111                 }
 112                 else
 113                 {
 114                         FloatAuto *previous = 0, *next = 0;
 115                         double unit_position = mwindow->edl->local_session->get_selectionstart(1);
 116                         unit_position = mwindow->edl->align_to_frame(unit_position, 0);
 117                         unit_position = atrack->to_units(unit_position, 0);
 118                         FloatAutos *ptr = (FloatAutos*)atrack->automation->autos[AUTOMATION_FADE];
 119                         float value = ptr->get_value(
 120                                 (long)unit_position,
 121                                 PLAY_FORWARD,
 122                                 previous,
 123                                 next);
 124                         fade->update(fade->get_w(),
 125                                      value,
 126                                      mwindow->edl->local_session->automation_mins[AUTOGROUPTYPE_AUDIO_FADE],
 127                                      mwindow->edl->local_session->automation_maxs[AUTOGROUPTYPE_AUDIO_FADE]);
 128                 }
 129         }
 130         else
 131         if(h - y1 >= mwindow->theme->fade_h)
 132         {
 133                 patchbay->add_subwindow(fade = new AFadePatch(mwindow,
 134                         this,
 135                         x1 + x,
 136                         y1 + y,
 137                         patchbay->get_w() - 10));
 138         }
 139         y1 += mwindow->theme->fade_h;
 140
 141         if(meter)
 142         {
 143                 if(h - y1 < mwindow->theme->meter_h)
 144                 {
 145                         delete meter;
 146                         meter = 0;
 147                 }
 148         }
 149         else
 150         if(h - y1 >= mwindow->theme->meter_h)
 151         {
 152                 patchbay->add_subwindow(meter = new AMeterPatch(mwindow,
 153                         this,
 154                         x1 + x,
 155                         y1 + y));
 156         }
 157         y1 += mwindow->theme->meter_h;
 158         x1 += 10;
 159
 160         if(pan)
 161         {
 162                 if(h - y1 < mwindow->theme->pan_h)
 163                 {
 164                         delete pan;
 165                         pan = 0;
 166                         delete nudge;
 167                         nudge = 0;
 168                 }
 169                 else
 170                 {
 171                         if(pan->get_total_values() != mwindow->edl->session->audio_channels)
 172                         {
 173                                 pan->change_channels(mwindow->edl->session->audio_channels,
 174                                         mwindow->edl->session->achannel_positions);
 175                         }
 176                         else
 177                         {
 178                                 int handle_x, handle_y;
 179                                 PanAuto *previous = 0, *next = 0;
 180                                 double unit_position = mwindow->edl->local_session->get_selectionstart(1);
 181                                 unit_position = mwindow->edl->align_to_frame(unit_position, 0);
 182                                 unit_position = atrack->to_units(unit_position, 0);
 183                                 PanAutos *ptr = (PanAutos*)atrack->automation->autos[AUTOMATION_PAN];
 184                                 ptr->get_handle(handle_x,
 185                                         handle_y,
 186                                         (long)unit_position,
 187                                         PLAY_FORWARD,
 188                                         previous,
 189                                         next);
 190                                 pan->update(handle_x, handle_y);
 191                         }
 192                         nudge->update();
 193                 }
 194         }
 195         else
 196         if(h - y1 >= mwindow->theme->pan_h)
 197         {
 198                 patchbay->add_subwindow(pan = new APanPatch(mwindow,
 199                         this,
 200                         x1 + x,
 201                         y1 + y));
 202                 x1 += pan->get_w() + 10;
 203                 patchbay->add_subwindow(nudge = new NudgePatch(mwindow,
 204                         this,
 205                         x1 + x,
 206                         y1 + y,
 207                         patchbay->get_w() - x1 - 10));
 208         }
 209         y1 += mwindow->theme->pan_h;
 210
 211         return y1;
 212 }
 213
 214 void APatchGUI::synchronize_fade(float value_change)
 215 {
 216         if(fade && !change_source)
 217         {
 218                 fade->update(fade->get_value() + value_change);
 219                 fade->update_edl();
 220         }
 221 }
 222
 223
 224
 225 AFadePatch::AFadePatch(MWindow *mwindow, APatchGUI *patch, int x, int y, int w)
 226  : BC_FSlider(x,
 227                         y,
 228                         0,
 229                         w,
 230                         w,
 231                         mwindow->edl->local_session->automation_mins[AUTOGROUPTYPE_AUDIO_FADE],
 232                         mwindow->edl->local_session->automation_maxs[AUTOGROUPTYPE_AUDIO_FADE],
 233                         get_keyframe(mwindow, patch)->get_value())
 234 {
 235         this->mwindow = mwindow;
 236         this->patch = patch;
 237 }
 238
 239 float AFadePatch::update_edl()
 240 {
 241         FloatAuto *current;
 242         double position = mwindow->edl->local_session->get_selectionstart(1);
 243         Autos *fade_autos = patch->atrack->automation->autos[AUTOMATION_FADE];
 244         int need_undo = !fade_autos->auto_exists_for_editing(position);
 245
 246         mwindow->undo->update_undo_before(_("fade"), need_undo ? 0 : this);
 247
 248         current = (FloatAuto*)fade_autos->get_auto_for_editing(position);
 249
 250         float result = get_value() - current->get_value();
 251         current->set_value(this->get_value());
 252
 253         mwindow->undo->update_undo_after(_("fade"), LOAD_AUTOMATION);
 254
 255         return result;
 256 }
 257
 258
 259 int AFadePatch::handle_event()
 260 {
 261         if(shift_down())
 262         {
 263                 update(0.0);
 264                 set_tooltip(get_caption());
 265         }
 266
 267         patch->change_source = 1;
 268         float change = update_edl();
 269         if(patch->track->gang && patch->track->record)
 270                 patch->patchbay->synchronize_faders(change, TRACK_AUDIO, patch->track);
 271         patch->change_source = 0;
 272
 273         mwindow->sync_parameters(CHANGE_PARAMS);
 274
 275         if(mwindow->edl->session->auto_conf->autos[AUTOMATION_FADE])
 276         {
 277                 mwindow->gui->draw_overlays(1);
 278         }
 279         return 1;
 280 }
 281
 282 FloatAuto* AFadePatch::get_keyframe(MWindow *mwindow, APatchGUI *patch)
 283 {
 284         Auto *current = 0;
 285         double unit_position = mwindow->edl->local_session->get_selectionstart(1);
 286         unit_position = mwindow->edl->align_to_frame(unit_position, 0);
 287         unit_position = patch->atrack->to_units(unit_position, 0);
 288
 289         FloatAutos *ptr = (FloatAutos*)patch->atrack->automation->autos[AUTOMATION_FADE];
 290         return (FloatAuto*)ptr->get_prev_auto(
 291                 (long)unit_position,
 292                 PLAY_FORWARD,
 293                 current);
 294 }
 295
 296
 297 APanPatch::APanPatch(MWindow *mwindow, APatchGUI *patch, int x, int y)
 298  : BC_Pan(x,
 299                 y,
 300                 PAN_RADIUS,
 301                 MAX_PAN,
 302                 mwindow->edl->session->audio_channels,
 303                 mwindow->edl->session->achannel_positions,
 304                 get_keyframe(mwindow, patch)->handle_x,
 305                 get_keyframe(mwindow, patch)->handle_y,
 306                 get_keyframe(mwindow, patch)->values)
 307 {
 308         this->mwindow = mwindow;
 309         this->patch = patch;
 310         set_tooltip(_("Pan"));
 311 }
 312
 313 int APanPatch::handle_event()
 314 {
 315         PanAuto *current;
 316         double position = mwindow->edl->local_session->get_selectionstart(1);
 317         Autos *pan_autos = patch->atrack->automation->autos[AUTOMATION_PAN];
 318         int need_undo = !pan_autos->auto_exists_for_editing(position);
 319
 320         mwindow->undo->update_undo_before(_("pan"), need_undo ? 0 : this);
 321
 322         current = (PanAuto*)pan_autos->get_auto_for_editing(position);
 323
 324         current->handle_x = get_stick_x();
 325         current->handle_y = get_stick_y();
 326         memcpy(current->values, get_values(), sizeof(float) * mwindow->edl->session->audio_channels);
 327
 328         mwindow->undo->update_undo_after(_("pan"), LOAD_AUTOMATION);
 329
 330         mwindow->sync_parameters(CHANGE_PARAMS);
 331
 332         if(need_undo && mwindow->edl->session->auto_conf->autos[AUTOMATION_PAN])
 333         {
 334                 mwindow->gui->draw_overlays(1);
 335         }
 336         return 1;
 337 }
 338
 339 PanAuto* APanPatch::get_keyframe(MWindow *mwindow, APatchGUI *patch)
 340 {
 341         Auto *current = 0;
 342         double unit_position = mwindow->edl->local_session->get_selectionstart(1);
 343         unit_position = mwindow->edl->align_to_frame(unit_position, 0);
 344         unit_position = patch->atrack->to_units(unit_position, 0);
 345
 346         PanAutos *ptr = (PanAutos*)patch->atrack->automation->autos[AUTOMATION_PAN];
 347         return (PanAuto*)ptr->get_prev_auto(
 348                 (long)unit_position,
 349                 PLAY_FORWARD,
 350                 current);
 351 }
 352
 353
 354
 355
 356 AMeterPatch::AMeterPatch(MWindow *mwindow, APatchGUI *patch, int x, int y)
 357  : BC_Meter(x,
 358                         y,
 359                         METER_HORIZ,
 360                         patch->patchbay->get_w() - 10,
 361                         mwindow->edl->session->min_meter_db,
 362                         mwindow->edl->session->max_meter_db,
 363                         mwindow->edl->session->meter_format,
 364                         0,
 365                         -1)
 366 {
 367         this->mwindow = mwindow;
 368         this->patch = patch;
 369         set_delays(TRACKING_RATE * 10,
 370                         TRACKING_RATE);
 371 }
 372
 373 int AMeterPatch::button_press_event()
 374 {
 375         if(cursor_inside() && is_event_win() && get_buttonpress() == 1)
 376         {
 377                 mwindow->reset_meters();
 378                 return 1;
 379         }
 380
 381         return 0;
 382 }
 383
 384
 385
 386
 387