cinelerra-5.1/cinelerra/transitionpopup.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 "bcdisplayinfo.h"
  23 #include "clip.h"
  24 #include "edit.h"
  25 #include "edl.h"
  26 #include "edlsession.h"
  27 #include "language.h"
  28 #include "mwindow.h"
  29 #include "mwindowgui.h"
  30 #include "plugin.h"
  31 #include "transition.h"
  32 #include "track.h"
  33 #include "tracks.h"
  34 #include "transitionpopup.h"
  35
  36
  37 TransitionLengthThread::TransitionLengthThread(MWindow *mwindow)
  38  : BC_DialogThread()
  39 {
  40         this->mwindow = mwindow;
  41 }
  42
  43 TransitionLengthThread::~TransitionLengthThread()
  44 {
  45         close_window();
  46 }
  47
  48 void TransitionLengthThread::start(Transition *transition, double length)
  49 {
  50         this->transition = transition;
  51         this->orig_length = length;
  52         this->new_length = length;
  53         BC_DialogThread::start();
  54 }
  55
  56 #define TLW_W xS(300)
  57 #define TLW_H yS(100)
  58
  59 BC_Window* TransitionLengthThread::new_gui()
  60 {
  61         BC_DisplayInfo display_info;
  62         int x = display_info.get_abs_cursor_x() - TLW_W / 2;
  63         int y = display_info.get_abs_cursor_y() - TLW_H / 2;
  64         TransitionLengthDialog *gui = new TransitionLengthDialog(mwindow, this, x, y);
  65         gui->create_objects();
  66         return gui;
  67 }
  68
  69 void TransitionLengthThread::handle_close_event(int result)
  70 {
  71         if( mwindow->in_destructor ) return;
  72         if( !result ) {
  73                 if( transition )
  74                         mwindow->set_transition_length(transition, new_length);
  75                 else
  76                         mwindow->set_transition_length(new_length);
  77         }
  78         else
  79                 update(orig_length);
  80 }
  81
  82 int TransitionLengthThread::update(double length)
  83 {
  84         if( !EQUIV(this->new_length, length) ) {
  85                 this->new_length = length;
  86                 if( transition ) {
  87                         transition->length = transition->track->to_units(length, 1);
  88                         mwindow->sync_parameters(CHANGE_EDL);
  89                         mwindow->gui->lock_window();
  90                         mwindow->gui->draw_overlays(1);
  91                         mwindow->gui->unlock_window();
  92                 }
  93         }
  94         return 1;
  95 }
  96
  97
  98 TransitionUnitsItem::TransitionUnitsItem(TransitionUnitsPopup *popup,
  99                 const char *text, int id)
 100  : BC_MenuItem(text)
 101 {
 102         this->popup = popup;
 103         this->id = id;
 104 }
 105
 106 TransitionUnitsItem::~TransitionUnitsItem()
 107 {
 108 }
 109
 110 int TransitionUnitsItem::handle_event()
 111 {
 112         TransitionUnitsPopup *units_popup = (TransitionUnitsPopup *)get_popup_menu();
 113         TransitionLengthDialog *gui = units_popup->gui;
 114         TransitionLengthText *length_text = gui->text;
 115         EDLSession *session = gui->mwindow->edl->session;
 116         double length = gui->thread->new_length;
 117         char text[BCSTRLEN];
 118         units_popup->units = id;
 119         Units::totext(text, length, units_popup->units, session->sample_rate,
 120                         session->frame_rate, session->frames_per_foot);
 121         length_text->update(text);
 122         units_popup->set_text(get_text());
 123         return 1;
 124 }
 125
 126 TransitionUnitsPopup::TransitionUnitsPopup(TransitionLengthDialog *gui, int x, int y)
 127  : BC_PopupMenu(x, y, xS(120), "", 1)
 128 {
 129         this->gui = gui;
 130         units = TIME_SECONDS;
 131 }
 132
 133 TransitionUnitsPopup::~TransitionUnitsPopup()
 134 {
 135 }
 136
 137 void TransitionUnitsPopup::create_objects()
 138 {
 139         TransitionUnitsItem *units_item;
 140         add_item(units_item = new TransitionUnitsItem(this, _("Seconds"), TIME_SECONDS));
 141         add_item(new TransitionUnitsItem(this, _("Frames"), TIME_FRAMES));
 142         add_item(new TransitionUnitsItem(this, _("Samples"), TIME_SAMPLES));
 143         add_item(new TransitionUnitsItem(this, _("H:M:S.xxx"), TIME_HMS));
 144         add_item(new TransitionUnitsItem(this, _("H:M:S:frm"), TIME_HMSF));
 145         set_text(units_item->get_text());
 146 }
 147
 148
 149 TransitionLengthDialog::TransitionLengthDialog(MWindow *mwindow,
 150         TransitionLengthThread *thread, int x, int y)
 151  : BC_Window(_(PROGRAM_NAME ": Transition length"), x, y,
 152                 TLW_W, TLW_H, -1, -1, 0, 0, 1)
 153 {
 154         this->mwindow = mwindow;
 155         this->thread = thread;
 156 }
 157
 158 TransitionLengthDialog::~TransitionLengthDialog()
 159 {
 160 }
 161
 162
 163 void TransitionLengthDialog::create_objects()
 164 {
 165         lock_window("TransitionLengthDialog::create_objects");
 166         add_subwindow(units_popup = new TransitionUnitsPopup(this, xS(10), yS(10)));
 167         units_popup->create_objects();
 168         text = new TransitionLengthText(mwindow, this, xS(160), yS(10));
 169         text->create_objects();
 170         text->set_precision(3);
 171         text->set_increment(0.1);
 172         add_subwindow(new BC_OKButton(this));
 173         add_subwindow(new BC_CancelButton(this));
 174         show_window();
 175         unlock_window();
 176 }
 177
 178 int TransitionLengthDialog::close_event()
 179 {
 180         set_done(0);
 181         return 1;
 182 }
 183
 184
 185 TransitionLengthText::TransitionLengthText(MWindow *mwindow,
 186         TransitionLengthDialog *gui, int x, int y)
 187  : BC_TumbleTextBox(gui, (float)gui->thread->new_length,
 188                 0.f, 100.f, x, y, xS(100))
 189 {
 190         this->mwindow = mwindow;
 191         this->gui = gui;
 192 }
 193
 194 int TransitionLengthText::handle_event()
 195 {
 196         const char *text = get_text();
 197         int units = gui->units_popup->units;
 198         EDLSession *session = gui->mwindow->edl->session;
 199         double result = Units::text_to_seconds(text, session->sample_rate,
 200                 units, session->frame_rate, session->frames_per_foot);
 201         return gui->thread->update(result);
 202 }
 203
 204 int TransitionLengthText::handle_up_down(int dir)
 205 {
 206         double delta = 0;
 207         int units = gui->units_popup->units;
 208         EDLSession *session = gui->mwindow->edl->session;
 209         switch( units ) {
 210         case TIME_SECONDS:
 211         case TIME_HMS:
 212                 delta = 0.1;
 213                 break;
 214         case TIME_HMSF:
 215         case TIME_FRAMES:
 216                 delta = session->frame_rate > 0 ? 1./session->frame_rate : 0;
 217                 break;
 218         case TIME_SAMPLES:
 219                 delta = session->sample_rate > 0 ? 1./session->sample_rate : 0;
 220                 break;
 221         }
 222         double length = gui->thread->new_length + delta * dir;
 223         char text[BCSTRLEN];
 224         Units::totext(text, length, units,
 225                 session->sample_rate, session->frame_rate,
 226                 session->frames_per_foot);
 227         update(text);
 228         return gui->thread->update(length);
 229 }
 230
 231 int TransitionLengthText::handle_up_event()
 232 {
 233         return handle_up_down(+1);
 234 }
 235 int TransitionLengthText::handle_down_event()
 236 {
 237         return handle_up_down(-1);
 238 }
 239
 240
 241 TransitionPopup::TransitionPopup(MWindow *mwindow, MWindowGUI *gui)
 242  : BC_PopupMenu(0, 0, 0, "", 0)
 243 {
 244         this->mwindow = mwindow;
 245         this->gui = gui;
 246 }
 247
 248 TransitionPopup::~TransitionPopup()
 249 {
 250         delete length_thread;
 251 //      delete dialog_thread;
 252 }
 253
 254
 255 void TransitionPopup::create_objects()
 256 {
 257         length_thread = new TransitionLengthThread(mwindow);
 258 //      add_item(attach = new TransitionPopupAttach(mwindow, this));
 259         add_item(show = new TransitionPopupShow(mwindow, this));
 260         add_item(on = new TransitionPopupOn(mwindow, this));
 261         add_item(length_item = new TransitionPopupLength(mwindow, this));
 262         add_item(detach = new TransitionPopupDetach(mwindow, this));
 263 }
 264
 265 int TransitionPopup::update(Transition *transition)
 266 {
 267         this->transition = transition;
 268         show->set_checked(transition->show);
 269         on->set_checked(transition->on);
 270         char len_text[50];
 271         sprintf(len_text, _("Length: %2.2f sec"), transition->track->from_units(transition->length));
 272         length_item->set_text(len_text);
 273         return 0;
 274 }
 275
 276
 277 TransitionPopupAttach::TransitionPopupAttach(MWindow *mwindow, TransitionPopup *popup)
 278  : BC_MenuItem(_("Attach..."))
 279 {
 280         this->mwindow = mwindow;
 281         this->popup = popup;
 282 }
 283
 284 TransitionPopupAttach::~TransitionPopupAttach()
 285 {
 286 }
 287
 288 int TransitionPopupAttach::handle_event()
 289 {
 290 //      popup->dialog_thread->start();
 291         return 1;
 292 }
 293
 294
 295 TransitionPopupDetach::TransitionPopupDetach(MWindow *mwindow, TransitionPopup *popup)
 296  : BC_MenuItem(_("Detach"))
 297 {
 298         this->mwindow = mwindow;
 299         this->popup = popup;
 300 }
 301
 302 TransitionPopupDetach::~TransitionPopupDetach()
 303 {
 304 }
 305
 306 int TransitionPopupDetach::handle_event()
 307 {
 308         mwindow->detach_transition(popup->transition);
 309         return 1;
 310 }
 311
 312
 313 TransitionPopupOn::TransitionPopupOn(MWindow *mwindow, TransitionPopup *popup)
 314  : BC_MenuItem(_("On"))
 315 {
 316         this->mwindow = mwindow;
 317         this->popup = popup;
 318 }
 319
 320 TransitionPopupOn::~TransitionPopupOn()
 321 {
 322 }
 323
 324 int TransitionPopupOn::handle_event()
 325 {
 326         popup->transition->on = !get_checked();
 327         mwindow->sync_parameters(CHANGE_EDL);
 328         return 1;
 329 }
 330
 331
 332 TransitionPopupShow::TransitionPopupShow(MWindow *mwindow, TransitionPopup *popup)
 333  : BC_MenuItem(_("Show"))
 334 {
 335         this->mwindow = mwindow;
 336         this->popup = popup;
 337 }
 338
 339 TransitionPopupShow::~TransitionPopupShow()
 340 {
 341 }
 342
 343 int TransitionPopupShow::handle_event()
 344 {
 345         mwindow->show_plugin(popup->transition);
 346         return 1;
 347 }
 348
 349
 350 TransitionPopupLength::TransitionPopupLength(MWindow *mwindow, TransitionPopup *popup)
 351  : BC_MenuItem(_("Length"))
 352 {
 353         this->mwindow = mwindow;
 354         this->popup = popup;
 355 }
 356
 357 TransitionPopupLength::~TransitionPopupLength()
 358 {
 359 }
 360
 361 int TransitionPopupLength::handle_event()
 362 {
 363         Transition *transition = popup->transition;
 364         double length = transition->edit->track->from_units(transition->length);
 365         popup->length_thread->start(popup->transition, length);
 366         return 1;
 367 }
 368