Add support for named zones

[r2c2.git] / source / designer / manipulator.cpp

diff --git a/source/designer/manipulator.cpp b/source/designer/manipulator.cpp
index e9d6b955f05619e678223200398a8ea8db3b0c85..720309bd8dc4b773374b7120fd09195685464d91 100644 (file)
--- a/source/designer/manipulator.cpp
+++ b/source/designer/manipulator.cpp
@@ -1,6 +1,6 @@
 /* $Id$
 
-This file is part of the MSP Märklin suite
+This file is part of R²C²
 Copyright © 2006-2010  Mikkosoft Productions, Mikko Rasa
 Distributed under the GPL
 */
@@ -8,13 +8,13 @@ Distributed under the GPL
 #include <algorithm>
 #include <cmath>
 #include <msp/strings/formatter.h>
-#include "libmarklin/tracktype.h"
+#include "libr2c2/tracktype.h"
 #include "designer.h"
 #include "manipulator.h"
 #include "selection.h"
 
 using namespace std;
-using namespace Marklin;
+using namespace R2C2;
 using namespace Msp;
 
 Manipulator::Manipulator(Designer &d, Graphics::EventSource &es, Selection &s):
@@ -59,12 +59,26 @@ void Manipulator::start_elevate()
        mode = ELEVATE;
 }
 
-void Manipulator::start_extend()
+bool Manipulator::start_extend()
 {
        if(mode)
                cancel();
 
-       mode = EXTEND;
+       bool ok = false;
+       const set<Track *> &stracks = selection.get_tracks();
+       for(set<Track *>::const_iterator i=stracks.begin(); (!ok && i!=stracks.end()); ++i)
+       {
+               const vector<Track *> &links = (*i)->get_links();
+               for(vector<Track *>::const_iterator j=links.begin(); (!ok && j!=links.end()); ++j)
+                       ok = !*j;
+       }
+
+       if(ok)
+               mode = EXTEND;
+       else
+               signal_status.emit("No free endpoints");
+
+       return ok;
 }
 
 void Manipulator::duplicate()
@@ -211,7 +225,7 @@ void Manipulator::connect()
                return;
        }
 
-       float limit = 0.001;
+       float limit = designer.get_layout().get_catalogue().get_gauge()/10;
 
        Track *track1 = tracks.front().track;
        Point pos1;
@@ -372,6 +386,8 @@ void Manipulator::pointer_motion(int x, int y)
                }
 
                const set<Track *> &ltracks = designer.get_layout().get_tracks();
+               float limit = max(designer.get_layout().get_catalogue().get_gauge(),
+                       designer.get_camera_controller().get_view_scale()*5/event_source.get_height());
                MTrack *snapped = 0;
                for(set<Track *>::const_iterator i=ltracks.begin(); (i!=ltracks.end() && !snapped); ++i)
                {
@@ -381,7 +397,7 @@ void Manipulator::pointer_motion(int x, int y)
                        if(!ok) continue;
 
                        for(vector<MTrack>::iterator j=tracks.begin(); (j!=tracks.end() && !snapped); ++j)
-                               if(j->track->snap_to(**i, false))
+                               if(j->track->snap_to(**i, false, limit))
                                        snapped = &*j;
                }
 
@@ -560,7 +576,7 @@ void Manipulator::set_slope(TrackOrder &track, float z, float dz)
        }
 }
 
-vector<Track *> Manipulator::create_straight(const Marklin::Point &start, float dir, float length, float limit)
+vector<Track *> Manipulator::create_straight(const R2C2::Point &start, float dir, float length, float limit)
 {
        const Catalogue::TrackMap &track_types = designer.get_catalogue().get_tracks();
        std::map<float, const TrackType *> types_by_length;