-Manipulator::Manipulator(Designer &d, Graphics::EventSource &es, Selection &s):
- designer(d),
- event_source(es),
- selection(s),
- mode(NONE),
- angle(0)
-{
- event_source.signal_button_press.connect(sigc::mem_fun(this, &Manipulator::button_press));
- event_source.signal_pointer_motion.connect(sigc::mem_fun(this, &Manipulator::pointer_motion));
- selection.signal_changed.connect(sigc::mem_fun(this, &Manipulator::selection_changed));
-}
-
-void Manipulator::start_move()
-{
- if(mode)
- cancel();
-
- move_origin = gpointer;
-
- mode = MOVE;
-}
-
-void Manipulator::start_rotate()
-{
- if(mode)
- cancel();
-
- rot_origin = atan2(gpointer.y-center.y, gpointer.x-center.x);
-
- mode = ROTATE;
-}
-
-void Manipulator::start_elevate()
-{
- if(mode)
- cancel();
-
- elev_origin = pointer_y;
-
- mode = ELEVATE;
-}
-
-void Manipulator::start_extend()
-{
- if(mode)
- cancel();
-
- mode = EXTEND;
-}
-
-void Manipulator::duplicate()
-{
- if(mode)
- cancel();
-
- list<Track *> new_tracks;
- for(vector<MTrack>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
- {
- Track *track = new Track(designer.get_layout(), i->track->get_type());
- track->set_position(i->track->get_position());
- track->set_rotation(i->track->get_rotation());
- new_tracks.push_back(track);
- }
-
- selection.clear();
- for(list<Track *>::iterator i=new_tracks.begin(); i!=new_tracks.end(); ++i)
- {
- selection.add_track(*i);
- for(list<Track *>::iterator j=i; j!=new_tracks.end(); ++j)
- if(j!=i)
- (*i)->snap_to(**j, true);
- }
-}
-
-void Manipulator::flatten()
-{
- if(mode)
- cancel();
-
- if(tracks.empty()) return;
-
- float z = 0;
- for(vector<MTrack>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
- z += i->track->get_position().z+i->track->get_slope()/2;
- z /= tracks.size();
-
- for(vector<MTrack>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
- {
- Point p = i->track->get_position();
- i->track->set_position(Point(p.x, p.y, z));
- i->track->set_slope(0);
- }
-
- for(set<Track *>::iterator i=neighbors.begin(); i!=neighbors.end(); ++i)
- (*i)->check_slope();
-
- update_tracks();
-}
-
-void Manipulator::even_slope(bool smooth)
-{
- if(mode)
- cancel();
-
- if(neighbors.size()!=2)
- return;
-
- for(vector<MTrack>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
- if(i->track->get_type().get_endpoints().size()!=2)
- return;
-
- list<Track *> tracks2;
- for(vector<MTrack>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
- tracks2.push_back(i->track);
-
- float total_len = 0;
-
- list<TrackOrder> order;
- Track *cur = *neighbors.begin();
- while(tracks2.size())
- {
- bool rev = false;
- for(list<Track *>::iterator i=tracks2.begin(); i!=tracks2.end(); ++i)
- {
- const vector<Track *> &links = (*i)->get_links();
- if(links[0]==cur)
- {
- cur = *i;
- tracks2.erase(i);
- break;
- }
- else if(links[1]==cur)
- {
- cur = *i;
- rev = true;
- tracks2.erase(i);
- break;
- }
- }
- order.push_back(TrackOrder(cur, rev));
- total_len += cur->get_type().get_total_length();
- }
-
- set<Track *>::iterator nb = neighbors.begin();
- int epi = (*nb)->get_endpoint_by_link(*order.front().track);
- float start_z = (*nb)->get_endpoint_position(epi).z;
- ++nb;
- epi = (*nb)->get_endpoint_by_link(*order.back().track);
- float end_z = (*nb)->get_endpoint_position(epi).z;
-
- if(smooth)
- {
- float dir = (end_z>start_z)?1:-1;
- float cur_slope = 0;
- while((end_z-start_z)*dir/total_len>cur_slope+0.025 && order.size()>2)
- {
- cur_slope += 0.025;
-
- float dz = order.front().track->get_type().get_total_length()*dir*cur_slope;
- set_slope(order.front(), start_z, dz);
- start_z += dz;
- total_len -= order.front().track->get_type().get_total_length();
- order.erase(order.begin());
-
- dz = order.back().track->get_type().get_total_length()*dir*cur_slope;
- set_slope(order.back(), end_z-dz, dz);
- end_z -= dz;
- total_len -= order.back().track->get_type().get_total_length();
- order.erase(--order.end());
- }
- }
-
- float cur_z = start_z;
- for(list<TrackOrder>::iterator i=order.begin(); i!=order.end(); ++i)
- {
- float dz = i->track->get_type().get_total_length()*(end_z-start_z)/total_len;
- set_slope(*i, cur_z, dz);
- cur_z += dz;
- }
-
- for(set<Track *>::iterator i=neighbors.begin(); i!=neighbors.end(); ++i)
- (*i)->check_slope();
-
- update_tracks();
-}
-
-void Manipulator::connect()
-{
- if(tracks.size()!=2)
- {
- signal_status.emit("Exactly two tracks must be selected");
- return;
- }
-
- float limit = 0.001;
-
- Track *track1 = tracks.front().track;
- Point pos1;
- float dir1;
- Track *track2 = tracks.back().track;
- bool ok = false;
- float gap = 0;
- for(unsigned i=0; i<track1->get_type().get_endpoints().size(); ++i)
- {
- if(track1->get_link(i))
- continue;
-
- pos1 = track1->get_endpoint_position(i);
- dir1 = track1->get_endpoint_direction(i);
-
- for(unsigned j=0; j<track2->get_type().get_endpoints().size(); ++j)
- {
- if(track2->get_link(j))
- continue;
-
- Point pos2 = track2->get_endpoint_position(j);
- float dir2 = track2->get_endpoint_direction(j);
-
- float dz = pos2.z-pos1.z;
- if(abs(dz)>0.02)
- continue;
-
- float adiff = dir1+M_PI-dir2;
- while(adiff<-M_PI)
- adiff += M_PI*2;
- while(adiff>M_PI)
- adiff -= M_PI*2;
- if(abs(adiff)>0.01)
- continue;
-
- float c = cos(dir1);
- float s = sin(dir1);
- float dx = pos2.x-pos1.x;
- float dy = pos2.y-pos1.y;
- if(abs(dx*s-dy*c)>limit)
- continue;
-
- gap = dx*c+dy*s;
- if(gap<0)
- continue;
-
- ok = true;
- }
-
- if(ok)
- break;
- }
-
- if(!ok)
- {
- signal_status.emit("No aligned endpoints found");
- return;
- }
-
- vector<Track *> trks = create_straight(pos1, dir1, gap, limit);
-
- if(trks.empty())
- {
- signal_status.emit("No connection possible");
- return;
- }
-
- trks.front()->snap_to(*track1, true);
- trks.back()->snap_to(*track2, true);
-
- selection.replace(trks.begin(), trks.end());
-}
-
-void Manipulator::cancel()
-{
- if(!mode)
- return;
- mode = NONE;
-
- for(vector<MTrack>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
- {
- i->track->set_position(Point(center.x+i->pos.x, center.y+i->pos.y, center.z+i->pos.z));
- i->track->set_rotation(i->rot);
- }
-
- for(set<Track *>::iterator i=neighbors.begin(); i!=neighbors.end(); ++i)
- (*i)->check_slope();
-
- for(vector<Track *>::iterator i=extend_tracks.begin(); i!=extend_tracks.end(); ++i)
- delete *i;
- extend_tracks.clear();
-
- angle = 0;
-
- signal_done.emit(false);
-}
-
-void Manipulator::button_press(int, int, unsigned btn, unsigned)