cinelerra/recordlabel.C

   1 #include "clip.h"
   2 #include "labels.h"
   3 #include "recordlabel.h"
   4
   5
   6 RecordLabel::RecordLabel(double position)
   7  : ListItem<RecordLabel>()
   8 {
   9         this->position = position;
  10 }
  11
  12 RecordLabel::~RecordLabel()
  13 {
  14 }
  15
  16
  17 RecordLabels::RecordLabels()
  18  : List<RecordLabel>()
  19 {
  20 }
  21
  22 RecordLabels::~RecordLabels()
  23 {
  24 }
  25
  26 int RecordLabels::delete_new_labels()
  27 {
  28         RecordLabel *current, *next_;
  29         for(current = first; current; current = next_)
  30         {
  31                 next_ = NEXT;
  32                 remove(current);
  33         }
  34         return 0;
  35 }
  36
  37 int RecordLabels::toggle_label(double position)
  38 {
  39         RecordLabel *current;
  40 // find label the position is after
  41         for(current = first;
  42                 current && current->position < position;
  43                 current = NEXT)
  44         {
  45                 ;
  46         }
  47
  48         if(current)
  49         {
  50 //printf("position %ld current->position %ld current->original %d\n", position, current->position,  current->original);
  51                 if(EQUIV(current->position, position))
  52                 {
  53 // remove it
  54                         remove(current);
  55                 }
  56                 else
  57                 {
  58 // insert before it
  59                         insert_before(current);
  60                         current->position = position;
  61                 }
  62         }
  63         else
  64         {           // insert after last
  65 //printf("position %ld\n", position);
  66                 append(new RecordLabel(position));
  67         }
  68         return 0;
  69 }
  70
  71 double RecordLabels::get_prev_label(double position)
  72 {
  73         RecordLabel *current;
  74
  75         for(current = last;
  76                 current && current->position > position;
  77                 current = PREVIOUS)
  78         {
  79                 ;
  80         }
  81 //printf("%ld\n", current->position);
  82         if(current && current->position <= position)
  83                 return current->position;
  84         else
  85                 return -1;
  86         return 0;
  87 }
  88
  89 double RecordLabels::get_next_label(double position)
  90 {
  91         RecordLabel *current;
  92
  93         for(current = first;
  94                 current && current->position <= position;
  95                 current = NEXT)
  96         {
  97                 ;
  98         }
  99         if(current && current->position >= position) return current->position; else return -1;
 100         return 0;
 101 }
 102
 103 double RecordLabels::goto_prev_label(double position)
 104 {
 105         RecordLabel *current;
 106
 107         for(current = last;
 108                 current && current->position >= position;
 109                 current = PREVIOUS)
 110         {
 111                 ;
 112         }
 113 //printf("%ld\n", current->position);
 114         if(current && current->position <= position) return current->position; else return -1;
 115         return 0;
 116 }
 117
 118 double RecordLabels::goto_next_label(double position)
 119 {
 120         RecordLabel *current;
 121
 122         for(current = first;
 123                 current && current->position <= position;
 124                 current = NEXT)
 125         {
 126                 ;
 127         }
 128         if(current && current->position >= position) return current->position; else return -1;
 129         return 0;
 130 }
 131