source/designer/selection.cpp

   1 #include <algorithm>
   2 #include "libr2c2/block.h"
   3 #include "selection.h"
   4
   5 using namespace std;
   6 using namespace R2C2;
   7 using namespace Msp;
   8
   9 Object *Selection::get_object() const
  10 {
  11         if(objects.empty())
  12                 return 0;
  13         else
  14                 return *objects.begin();
  15 }
  16
  17 void Selection::clear()
  18 {
  19         objects.clear();
  20         signal_changed.emit();
  21 }
  22
  23 void Selection::add_object(Object *o)
  24 {
  25         if(objects.insert(o).second)
  26                 signal_changed.emit();
  27 }
  28
  29 void Selection::remove_object(Object *o)
  30 {
  31         if(objects.erase(o))
  32                 signal_changed.emit();
  33 }
  34
  35 void Selection::toggle_object(Object *o)
  36 {
  37         if(!objects.erase(o))
  38                 objects.insert(o);
  39
  40         signal_changed.emit();
  41 }
  42
  43 void Selection::select_more()
  44 {
  45         set<Track *> new_tracks;
  46         for(set<Object *>::iterator i=objects.begin(); i!=objects.end(); ++i)
  47                 if(Track *track = dynamic_cast<Track *>(*i))
  48                 {
  49                         const vector<Track *> &links = track->get_links();
  50                         for(vector<Track *>::const_iterator j=links.begin(); j!=links.end(); ++j)
  51                                 if(*j)
  52                                         new_tracks.insert(*j);
  53                 }
  54
  55         bool changed = false;
  56         for(set<Track *>::iterator i=new_tracks.begin(); i!=new_tracks.end(); ++i)
  57                 if(objects.insert(*i).second)
  58                         changed = true;
  59
  60         if(changed)
  61                 signal_changed.emit();
  62 }
  63
  64 void Selection::select_linked()
  65 {
  66         bool changed = false;
  67         list<Track *> queue;
  68         for(set<Object *>::iterator i=objects.begin(); i!=objects.end(); ++i)
  69                 if(Track *track = dynamic_cast<Track *>(*i))
  70                         queue.push_back(track);
  71
  72         while(!queue.empty())
  73         {
  74                 Track *track = queue.front();
  75                 queue.erase(queue.begin());
  76
  77                 const vector<Track *> &links = track->get_links();
  78                 for(vector<Track *>::const_iterator j=links.begin(); j!=links.end(); ++j)
  79                         if(*j && objects.insert(*j).second)
  80                         {
  81                                 queue.push_back(*j);
  82                                 changed = true;
  83                         }
  84         }
  85
  86         if(changed)
  87                 signal_changed.emit();
  88 }
  89
  90 void Selection::select_blocks()
  91 {
  92         bool changed = false;
  93         for(set<Object *>::iterator i=objects.begin(); i!=objects.end(); ++i)
  94                 if(Track *track = dynamic_cast<Track *>(*i))
  95                 {
  96                         const set<Track *> &btracks = track->get_block().get_tracks();
  97                         for(set<Track *>::iterator j=btracks.begin(); j!=btracks.end(); ++j)
  98                                 if(objects.insert(*j).second)
  99                                         changed = true;
 100                 }
 101
 102         if(changed)
 103                 signal_changed.emit();
 104 }