cinelerra-5.0/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(value);
 125                 }
 126         }
 127         else
 128         if(h - y1 >= mwindow->theme->fade_h)
 129         {
 130                 patchbay->add_subwindow(fade = new AFadePatch(mwindow,
 131                         this,
 132                         x1 + x,
 133                         y1 + y,
 134                         patchbay->get_w() - 10));
 135         }
 136         y1 += mwindow->theme->fade_h;
 137
 138         if(meter)
 139         {
 140                 if(h - y1 < mwindow->theme->meter_h)
 141                 {
 142                         delete meter;
 143                         meter = 0;
 144                 }
 145         }
 146         else
 147         if(h - y1 >= mwindow->theme->meter_h)
 148         {
 149                 patchbay->add_subwindow(meter = new AMeterPatch(mwindow,
 150                         this,
 151                         x1 + x,
 152                         y1 + y));
 153         }
 154         y1 += mwindow->theme->meter_h;
 155         x1 += 10;
 156
 157         if(pan)
 158         {
 159                 if(h - y1 < mwindow->theme->pan_h)
 160                 {
 161                         delete pan;
 162                         pan = 0;
 163                         delete nudge;
 164                         nudge = 0;
 165                 }
 166                 else
 167                 {
 168                         if(pan->get_total_values() != mwindow->edl->session->audio_channels)
 169                         {
 170                                 pan->change_channels(mwindow->edl->session->audio_channels,
 171                                         mwindow->edl->session->achannel_positions);
 172                         }
 173                         else
 174                         {
 175                                 int handle_x, handle_y;
 176                                 PanAuto *previous = 0, *next = 0;
 177                                 double unit_position = mwindow->edl->local_session->get_selectionstart(1);
 178                                 unit_position = mwindow->edl->align_to_frame(unit_position, 0);
 179                                 unit_position = atrack->to_units(unit_position, 0);
 180                                 PanAutos *ptr = (PanAutos*)atrack->automation->autos[AUTOMATION_PAN];
 181                                 ptr->get_handle(handle_x,
 182                                         handle_y,
 183                                         (long)unit_position,
 184                                         PLAY_FORWARD,
 185                                         previous,
 186                                         next);
 187                                 pan->update(handle_x, handle_y);
 188                         }
 189                         nudge->update();
 190                 }
 191         }
 192         else
 193         if(h - y1 >= mwindow->theme->pan_h)
 194         {
 195                 patchbay->add_subwindow(pan = new APanPatch(mwindow,
 196                         this,
 197                         x1 + x,
 198                         y1 + y));
 199                 x1 += pan->get_w() + 10;
 200                 patchbay->add_subwindow(nudge = new NudgePatch(mwindow,
 201                         this,
 202                         x1 + x,
 203                         y1 + y,
 204                         patchbay->get_w() - x1 - 10));
 205         }
 206         y1 += mwindow->theme->pan_h;
 207
 208         return y1;
 209 }
 210
 211 void APatchGUI::synchronize_fade(float value_change)
 212 {
 213         if(fade && !change_source)
 214         {
 215                 fade->update(fade->get_value() + value_change);
 216                 fade->update_edl();
 217         }
 218 }
 219
 220
 221
 222 AFadePatch::AFadePatch(MWindow *mwindow, APatchGUI *patch, int x, int y, int w)
 223  : BC_FSlider(x,
 224                         y,
 225                         0,
 226                         w,
 227                         w,
 228                         (float)INFINITYGAIN,
 229                         (float)MAX_AUDIO_FADE,
 230                         get_keyframe(mwindow, patch)->value)
 231 {
 232         this->mwindow = mwindow;
 233         this->patch = patch;
 234 }
 235
 236 float AFadePatch::update_edl()
 237 {
 238         FloatAuto *current;
 239         double position = mwindow->edl->local_session->get_selectionstart(1);
 240         Autos *fade_autos = patch->atrack->automation->autos[AUTOMATION_FADE];
 241         int need_undo = !fade_autos->auto_exists_for_editing(position);
 242
 243         mwindow->undo->update_undo_before(_("fade"), need_undo ? 0 : this);
 244
 245         current = (FloatAuto*)fade_autos->get_auto_for_editing(position);
 246
 247         float result = get_value() - current->value;
 248         current->value = get_value();
 249
 250         mwindow->undo->update_undo_after(_("fade"), LOAD_AUTOMATION);
 251
 252         return result;
 253 }
 254
 255
 256 int AFadePatch::handle_event()
 257 {
 258         if(shift_down())
 259         {
 260                 update(0.0);
 261                 set_tooltip(get_caption());
 262         }
 263
 264         patch->change_source = 1;
 265         float change = update_edl();
 266         if(patch->track->gang && patch->track->record)
 267                 patch->patchbay->synchronize_faders(change, TRACK_AUDIO, patch->track);
 268         patch->change_source = 0;
 269
 270         mwindow->sync_parameters(CHANGE_PARAMS);
 271
 272         if(mwindow->edl->session->auto_conf->autos[AUTOMATION_FADE])
 273         {
 274                 mwindow->gui->draw_overlays(1);
 275         }
 276         return 1;
 277 }
 278
 279 FloatAuto* AFadePatch::get_keyframe(MWindow *mwindow, APatchGUI *patch)
 280 {
 281         Auto *current = 0;
 282         double unit_position = mwindow->edl->local_session->get_selectionstart(1);
 283         unit_position = mwindow->edl->align_to_frame(unit_position, 0);
 284         unit_position = patch->atrack->to_units(unit_position, 0);
 285
 286         FloatAutos *ptr = (FloatAutos*)patch->atrack->automation->autos[AUTOMATION_FADE];
 287         return (FloatAuto*)ptr->get_prev_auto(
 288                 (long)unit_position,
 289                 PLAY_FORWARD,
 290                 current);
 291 }
 292
 293
 294 APanPatch::APanPatch(MWindow *mwindow, APatchGUI *patch, int x, int y)
 295  : BC_Pan(x,
 296                 y,
 297                 PAN_RADIUS,
 298                 MAX_PAN,
 299                 mwindow->edl->session->audio_channels,
 300                 mwindow->edl->session->achannel_positions,
 301                 get_keyframe(mwindow, patch)->handle_x,
 302                 get_keyframe(mwindow, patch)->handle_y,
 303                 get_keyframe(mwindow, patch)->values)
 304 {
 305         this->mwindow = mwindow;
 306         this->patch = patch;
 307         set_tooltip(_("Pan"));
 308 }
 309
 310 int APanPatch::handle_event()
 311 {
 312         PanAuto *current;
 313         double position = mwindow->edl->local_session->get_selectionstart(1);
 314         Autos *pan_autos = patch->atrack->automation->autos[AUTOMATION_PAN];
 315         int need_undo = !pan_autos->auto_exists_for_editing(position);
 316
 317         mwindow->undo->update_undo_before(_("pan"), need_undo ? 0 : this);
 318
 319         current = (PanAuto*)pan_autos->get_auto_for_editing(position);
 320
 321         current->handle_x = get_stick_x();
 322         current->handle_y = get_stick_y();
 323         memcpy(current->values, get_values(), sizeof(float) * mwindow->edl->session->audio_channels);
 324
 325         mwindow->undo->update_undo_after(_("pan"), LOAD_AUTOMATION);
 326
 327         mwindow->sync_parameters(CHANGE_PARAMS);
 328
 329         if(need_undo && mwindow->edl->session->auto_conf->autos[AUTOMATION_PAN])
 330         {
 331                 mwindow->gui->draw_overlays(1);
 332         }
 333         return 1;
 334 }
 335
 336 PanAuto* APanPatch::get_keyframe(MWindow *mwindow, APatchGUI *patch)
 337 {
 338         Auto *current = 0;
 339         double unit_position = mwindow->edl->local_session->get_selectionstart(1);
 340         unit_position = mwindow->edl->align_to_frame(unit_position, 0);
 341         unit_position = patch->atrack->to_units(unit_position, 0);
 342
 343         PanAutos *ptr = (PanAutos*)patch->atrack->automation->autos[AUTOMATION_PAN];
 344         return (PanAuto*)ptr->get_prev_auto(
 345                 (long)unit_position,
 346                 PLAY_FORWARD,
 347                 current);
 348 }
 349
 350
 351
 352
 353 AMeterPatch::AMeterPatch(MWindow *mwindow, APatchGUI *patch, int x, int y)
 354  : BC_Meter(x,
 355                         y,
 356                         METER_HORIZ,
 357                         patch->patchbay->get_w() - 10,
 358                         mwindow->edl->session->min_meter_db,
 359                         mwindow->edl->session->max_meter_db,
 360                         mwindow->edl->session->meter_format,
 361                         0,
 362                         -1)
 363 {
 364         this->mwindow = mwindow;
 365         this->patch = patch;
 366         set_delays(TRACKING_RATE * 10,
 367                         TRACKING_RATE);
 368 }
 369
 370 int AMeterPatch::button_press_event()
 371 {
 372         if(cursor_inside() && is_event_win() && get_buttonpress() == 1)
 373         {
 374                 mwindow->reset_meters();
 375                 return 1;
 376         }
 377
 378         return 0;
 379 }
 380
 381
 382
 383
 384