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         double length = gui->thread->new_length;
 115         units_popup->units = id;
 116         gui->update_text(length);
 117         units_popup->set_text(get_text());
 118         return 1;
 119 }
 120
 121 TransitionUnitsPopup::TransitionUnitsPopup(TransitionLengthDialog *gui, int x, int y)
 122  : BC_PopupMenu(x, y, xS(120), "", 1)
 123 {
 124         this->gui = gui;
 125         units = TIME_SECONDS;
 126 }
 127
 128 TransitionUnitsPopup::~TransitionUnitsPopup()
 129 {
 130 }
 131
 132 void TransitionUnitsPopup::create_objects()
 133 {
 134         TransitionUnitsItem *units_item;
 135         add_item(units_item = new TransitionUnitsItem(this, _("Seconds"), TIME_SECONDS));
 136         add_item(new TransitionUnitsItem(this, _("Frames"), TIME_FRAMES));
 137         add_item(new TransitionUnitsItem(this, _("Samples"), TIME_SAMPLES));
 138         add_item(new TransitionUnitsItem(this, _("H:M:S.xxx"), TIME_HMS));
 139         add_item(new TransitionUnitsItem(this, _("H:M:S:frm"), TIME_HMSF));
 140         set_text(units_item->get_text());
 141 }
 142
 143
 144 TransitionLengthDialog::TransitionLengthDialog(MWindow *mwindow,
 145         TransitionLengthThread *thread, int x, int y)
 146  : BC_Window(_(PROGRAM_NAME ": Transition length"), x, y,
 147                 TLW_W, TLW_H, -1, -1, 0, 0, 1)
 148 {
 149         this->mwindow = mwindow;
 150         this->thread = thread;
 151 }
 152
 153 TransitionLengthDialog::~TransitionLengthDialog()
 154 {
 155 }
 156
 157
 158 void TransitionLengthDialog::create_objects()
 159 {
 160         lock_window("TransitionLengthDialog::create_objects");
 161         add_subwindow(units_popup = new TransitionUnitsPopup(this, xS(10), yS(10)));
 162         units_popup->create_objects();
 163         text = new TransitionLengthText(mwindow, this, xS(160), yS(10));
 164         text->create_objects();
 165         text->set_precision(3);
 166         text->set_increment(0.1);
 167         add_subwindow(new BC_OKButton(this));
 168         add_subwindow(new BC_CancelButton(this));
 169         show_window();
 170         unlock_window();
 171 }
 172
 173 int TransitionLengthDialog::close_event()
 174 {
 175         set_done(0);
 176         return 1;
 177 }
 178
 179 void TransitionLengthDialog::update_text(double length)
 180 {
 181         int units = units_popup->units;
 182         EDLSession *session = mwindow->edl->session;
 183         char string[BCSTRLEN];
 184         Units::totext(string, length, units,
 185                 session->sample_rate, session->frame_rate,
 186                 session->frames_per_foot);
 187         text->update(string);
 188 }
 189
 190
 191 TransitionLengthText::TransitionLengthText(MWindow *mwindow,
 192         TransitionLengthDialog *gui, int x, int y)
 193  : BC_TumbleTextBox(gui, (float)gui->thread->new_length,
 194                 0.f, 100.f, x, y, xS(100))
 195 {
 196         this->mwindow = mwindow;
 197         this->gui = gui;
 198 }
 199
 200 int TransitionLengthText::handle_event()
 201 {
 202         const char *text = get_text();
 203         int units = gui->units_popup->units;
 204         EDLSession *session = gui->mwindow->edl->session;
 205         double result = Units::text_to_seconds(text, session->sample_rate,
 206                 units, session->frame_rate, session->frames_per_foot);
 207         return gui->thread->update(result);
 208 }
 209
 210 int TransitionLengthText::handle_up_down(int dir)
 211 {
 212         double delta = 0;
 213         int units = gui->units_popup->units;
 214         EDLSession *session = gui->mwindow->edl->session;
 215         switch( units ) {
 216         case TIME_SECONDS:
 217         case TIME_HMS:
 218                 delta = 0.1;
 219                 break;
 220         case TIME_HMSF:
 221         case TIME_FRAMES:
 222                 delta = session->frame_rate > 0 ? 1./session->frame_rate : 0;
 223                 break;
 224         case TIME_SAMPLES:
 225                 delta = session->sample_rate > 0 ? 1./session->sample_rate : 0;
 226                 break;
 227         }
 228         double length = gui->thread->new_length + delta * dir;
 229         gui->update_text(length);
 230         return gui->thread->update(length);
 231 }
 232
 233 int TransitionLengthText::handle_up_event()
 234 {
 235         return handle_up_down(+1);
 236 }
 237 int TransitionLengthText::handle_down_event()
 238 {
 239         return handle_up_down(-1);
 240 }
 241
 242
 243 TransitionPopup::TransitionPopup(MWindow *mwindow, MWindowGUI *gui)
 244  : BC_PopupMenu(0, 0, 0, "", 0)
 245 {
 246         this->mwindow = mwindow;
 247         this->gui = gui;
 248 }
 249
 250 TransitionPopup::~TransitionPopup()
 251 {
 252         delete length_thread;
 253 //      delete dialog_thread;
 254 }
 255
 256
 257 void TransitionPopup::create_objects()
 258 {
 259         length_thread = new TransitionLengthThread(mwindow);
 260 //      add_item(attach = new TransitionPopupAttach(mwindow, this));
 261         add_item(show = new TransitionPopupShow(mwindow, this));
 262         add_item(on = new TransitionPopupOn(mwindow, this));
 263         add_item(length_item = new TransitionPopupLength(mwindow, this));
 264         add_item(detach = new TransitionPopupDetach(mwindow, this));
 265 }
 266
 267 int TransitionPopup::update(Transition *transition)
 268 {
 269         this->transition = transition;
 270         show->set_checked(transition->show);
 271         on->set_checked(transition->on);
 272         char len_text[50];
 273         sprintf(len_text, _("Length: %2.2f sec"), transition->track->from_units(transition->length));
 274         length_item->set_text(len_text);
 275         return 0;
 276 }
 277
 278
 279 TransitionPopupAttach::TransitionPopupAttach(MWindow *mwindow, TransitionPopup *popup)
 280  : BC_MenuItem(_("Attach..."))
 281 {
 282         this->mwindow = mwindow;
 283         this->popup = popup;
 284 }
 285
 286 TransitionPopupAttach::~TransitionPopupAttach()
 287 {
 288 }
 289
 290 int TransitionPopupAttach::handle_event()
 291 {
 292 //      popup->dialog_thread->start();
 293         return 1;
 294 }
 295
 296
 297 TransitionPopupDetach::TransitionPopupDetach(MWindow *mwindow, TransitionPopup *popup)
 298  : BC_MenuItem(_("Detach"))
 299 {
 300         this->mwindow = mwindow;
 301         this->popup = popup;
 302 }
 303
 304 TransitionPopupDetach::~TransitionPopupDetach()
 305 {
 306 }
 307
 308 int TransitionPopupDetach::handle_event()
 309 {
 310         mwindow->detach_transition(popup->transition);
 311         return 1;
 312 }
 313
 314
 315 TransitionPopupOn::TransitionPopupOn(MWindow *mwindow, TransitionPopup *popup)
 316  : BC_MenuItem(_("On"))
 317 {
 318         this->mwindow = mwindow;
 319         this->popup = popup;
 320 }
 321
 322 TransitionPopupOn::~TransitionPopupOn()
 323 {
 324 }
 325
 326 int TransitionPopupOn::handle_event()
 327 {
 328         popup->transition->on = !get_checked();
 329         mwindow->sync_parameters(CHANGE_EDL);
 330         return 1;
 331 }
 332
 333
 334 TransitionPopupShow::TransitionPopupShow(MWindow *mwindow, TransitionPopup *popup)
 335  : BC_MenuItem(_("Show"))
 336 {
 337         this->mwindow = mwindow;
 338         this->popup = popup;
 339 }
 340
 341 TransitionPopupShow::~TransitionPopupShow()
 342 {
 343 }
 344
 345 int TransitionPopupShow::handle_event()
 346 {
 347         mwindow->show_plugin(popup->transition);
 348         return 1;
 349 }
 350
 351
 352 TransitionPopupLength::TransitionPopupLength(MWindow *mwindow, TransitionPopup *popup)
 353  : BC_MenuItem(_("Length"))
 354 {
 355         this->mwindow = mwindow;
 356         this->popup = popup;
 357 }
 358
 359 TransitionPopupLength::~TransitionPopupLength()
 360 {
 361 }
 362
 363 int TransitionPopupLength::handle_event()
 364 {
 365         Transition *transition = popup->transition;
 366         double length = transition->edit->track->from_units(transition->length);
 367         popup->length_thread->start(popup->transition, length);
 368         return 1;
 369 }
 370