cinelerra-5.1/cinelerra/transitionhandles.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 "cursors.h"
  23 #include "edit.h"
  24 #include "edits.h"
  25 #include "edl.h"
  26 #include "mwindow.h"
  27 #include "theme.h"
  28 #include "track.h"
  29 #include "trackcanvas.h"
  30 #include "tracks.h"
  31 #include "transitionhandles.h"
  32
  33 TransitionHandle::TransitionHandle(MWindow *mwindow,
  34         TrackCanvas *trackcanvas,
  35         Edit *edit,
  36         int x,
  37         int y)
  38  : CanvasTool(mwindow,
  39                 trackcanvas,
  40                 edit,
  41                 x,
  42                 y,
  43                 0)
  44 //              mwindow->theme->transitionhandle_data)
  45 {
  46 }
  47
  48 TransitionHandle::~TransitionHandle()
  49 {
  50 }
  51
  52 int TransitionHandle::handle_event()
  53 {
  54         return 0;
  55 }
  56
  57
  58
  59
  60 TransitionHandles::TransitionHandles(MWindow *mwindow,
  61                 TrackCanvas *trackcanvas)
  62  : CanvasTools(mwindow, trackcanvas)
  63 {
  64 }
  65
  66 TransitionHandles::~TransitionHandles()
  67 {
  68 }
  69
  70
  71 void TransitionHandles::update()
  72 {
  73         decrease_visible();
  74
  75         for(Track *current = mwindow->edl->tracks->first;
  76                 current;
  77                 current = NEXT)
  78         {
  79                 for(Edit *edit = current->edits->first; edit; edit = edit->next)
  80                 {
  81                         if(edit->transition)
  82                         {
  83                                 int64_t edit_x, edit_y, edit_w, edit_h;
  84                                 trackcanvas->edit_dimensions(edit, edit_x, edit_y, edit_w, edit_h);
  85                                 trackcanvas->get_transition_coords(edit, edit_x, edit_y, edit_w, edit_h);
  86
  87                                 if(visible(edit_x, edit_w, edit_y, edit_h))
  88                                 {
  89                                         int exists = 0;
  90
  91                                         for(int i = 0; i < total; i++)
  92                                         {
  93                                                 TransitionHandle *handle = (TransitionHandle*)values[i];
  94                                                 if(handle->edit->id == edit->id)
  95                                                 {
  96                                                         handle->reposition_window(edit_x, edit_y);
  97                                                         handle->visible = 1;
  98                                                         exists = 1;
  99                                                         break;
 100                                                 }
 101                                         }
 102
 103                                         if(!exists)
 104                                         {
 105                                                 TransitionHandle *handle = new TransitionHandle(mwindow,
 106                                                         trackcanvas,
 107                                                         edit,
 108                                                         edit_x,
 109                                                         edit_y);
 110                                                 trackcanvas->add_subwindow(handle);
 111                                                 handle->set_cursor(ARROW_CURSOR, 0, 0);
 112                                                 append(handle);
 113                                         }
 114                                 }
 115                         }
 116                 }
 117         }
 118
 119         delete_invisible();
 120 }