hvirtual/cinelerra/transitionhandles.C

   1 #include "cursors.h"
   2 #include "edit.h"
   3 #include "edits.h"
   4 #include "edl.h"
   5 #include "mwindow.h"
   6 #include "theme.h"
   7 #include "track.h"
   8 #include "trackcanvas.h"
   9 #include "tracks.h"
  10 #include "transitionhandles.h"
  11
  12 TransitionHandle::TransitionHandle(MWindow *mwindow,
  13         TrackCanvas *trackcanvas,
  14         Edit *edit,
  15         int x,
  16         int y)
  17  : CanvasTool(mwindow,
  18                 trackcanvas,
  19                 edit,
  20                 x,
  21                 y,
  22                 0)
  23 //              mwindow->theme->transitionhandle_data)
  24 {
  25 }
  26
  27 TransitionHandle::~TransitionHandle()
  28 {
  29 }
  30
  31 int TransitionHandle::handle_event()
  32 {
  33         return 0;
  34 }
  35
  36
  37
  38
  39 TransitionHandles::TransitionHandles(MWindow *mwindow,
  40                 TrackCanvas *trackcanvas)
  41  : CanvasTools(mwindow, trackcanvas)
  42 {
  43 }
  44
  45 TransitionHandles::~TransitionHandles()
  46 {
  47 }
  48
  49
  50 void TransitionHandles::update()
  51 {
  52         decrease_visible();
  53
  54         for(Track *current = mwindow->edl->tracks->first;
  55                 current;
  56                 current = NEXT)
  57         {
  58                 for(Edit *edit = current->edits->first; edit; edit = edit->next)
  59                 {
  60                         if(edit->transition)
  61                         {
  62                                 int64_t edit_x, edit_y, edit_w, edit_h;
  63                                 trackcanvas->edit_dimensions(edit, edit_x, edit_y, edit_w, edit_h);
  64                                 trackcanvas->get_transition_coords(edit_x, edit_y, edit_w, edit_h);
  65
  66                                 if(visible(edit_x, edit_w, edit_y, edit_h))
  67                                 {
  68                                         int exists = 0;
  69
  70                                         for(int i = 0; i < total; i++)
  71                                         {
  72                                                 TransitionHandle *handle = (TransitionHandle*)values[i];
  73                                                 if(handle->edit->id == edit->id)
  74                                                 {
  75                                                         handle->reposition_window(edit_x, edit_y);
  76                                                         handle->visible = 1;
  77                                                         exists = 1;
  78                                                         break;
  79                                                 }
  80                                         }
  81
  82                                         if(!exists)
  83                                         {
  84                                                 TransitionHandle *handle = new TransitionHandle(mwindow,
  85                                                         trackcanvas,
  86                                                         edit,
  87                                                         edit_x,
  88                                                         edit_y);
  89                                                 trackcanvas->add_subwindow(handle);
  90                                                 handle->set_cursor(ARROW_CURSOR);
  91                                                 append(handle);
  92                                         }
  93                                 }
  94                         }
  95                 }
  96         }
  97
  98         delete_invisible();
  99 }