diff -r d8475431bbbb -r 8e85e6bbefdf src/gui/graph_displayer_canvas.cc
--- a/src/gui/graph_displayer_canvas.cc	Sat May 21 21:04:57 2005 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,259 +0,0 @@
-#include <graph_displayer_canvas.h>
-
-GraphDisplayerCanvas::GraphDisplayerCanvas(Graph & gr, CoordinatesMap & cm, MapStorage & ms):g(gr),nodesmap(g),edgesmap(g),edgetextmap(g),displayed_graph(*(root()), 0, 0),mapstorage(ms),isbutton(false),active_item(NULL)
-{
-
-  for (EdgeIt i(g); i!=INVALID; ++i)
-  {
-    Gnome::Canvas::Points coos;
-    coos.push_back(Gnome::Art::Point(cm[g.source(i)].x,cm[g.source(i)].y));
-    coos.push_back(Gnome::Art::Point(cm[g.target(i)].x,cm[g.target(i)].y));
-    
-    edgesmap[i]=new Gnome::Canvas::Line(displayed_graph, coos);
-    *(edgesmap[i]) << Gnome::Canvas::Properties::fill_color("green");
-    edgesmap[i]->property_width_pixels().set_value(10);
-    
-    
-    double x1, x2, y1, y2;
-    edgesmap[i]->get_bounds(x1, y1, x2, y2);
-    
-    edgetextmap[i]=new Gnome::Canvas::Text(displayed_graph,(x1+x2)/2, (y1+y2)/2, "");
-    edgetextmap[i]->property_fill_color().set_value("black");
-  }
-
-  NodeIt i(g);
-  int maxx=0, maxy=0, minx=(int)cm[i].x, miny=(int)cm[i].y;
-
-  for (; i!=INVALID; ++i)
-  {
-    if(cm[i].x>maxx)maxx=(int)cm[i].x;
-    if(cm[i].y>maxy)maxy=(int)cm[i].y;
-    if(cm[i].x<minx)minx=(int)cm[i].x;
-    if(cm[i].y<miny)miny=(int)cm[i].y;
-
-    nodesmap[i]=new Gnome::Canvas::Ellipse(displayed_graph, cm[i].x-20, cm[i].y-20, cm[i].x+20, cm[i].y+20);
-    *(nodesmap[i]) << Gnome::Canvas::Properties::fill_color("blue");
-    *(nodesmap[i]) << Gnome::Canvas::Properties::outline_color("black");
-    (nodesmap[i])->signal_event().connect(sigc::bind(sigc::mem_fun(*this, &GraphDisplayerCanvas::event_handler),i));
-  }
-
-  double biggest_x=(abs(maxx)>abs(minx))?(abs(maxx)+80):(abs(minx)+80);
-  double biggest_y=(abs(maxy)>abs(miny))?(abs(maxy)+80):(abs(miny)+80);
-
-  set_pixels_per_unit((biggest_x>biggest_y)?(WIN_WIDTH/biggest_x/2):(WIN_HEIGHT/biggest_y/2));
-  std::cout<<abs(maxx)<<" "<<abs(minx)<<" big x "<<biggest_x<<" "<<abs(maxy)<<" "<<abs(miny)<<" big y "<<biggest_y<<std::endl;
-  std::cout<<maxx<<" "<<minx<<" big x "<<biggest_x<<" "<<maxy<<" "<<miny<<" big y "<<biggest_y<<std::endl;
-  std::cout<<"dx "<<(maxx-minx)<<" dy "<<(maxy-miny)<<" xrate "<<((maxx-minx)/WIN_WIDTH)<<" yrate "<<((maxy-miny)/WIN_HEIGHT)<<std::endl;
-
-}
-
-GraphDisplayerCanvas::~GraphDisplayerCanvas()
-{
-    Graph::NodeMap <int> id(g);
-    Graph::NodeMap <double> xc(g);
-    Graph::NodeMap <double> yc(g);
-
-    int j=1;
-
-    for (NodeIt i(g); i!=INVALID; ++i)
-    {
-        double x1,y1,x2,y2;
-        nodesmap[i]->get_bounds(x1, y1, x2, y2);
-
-        id[i]=j++;
-        xc[i]=(x1+x2)/2;
-        yc[i]=(y1+y2)/2;
-    }
-
-    GraphWriter<Graph> writer(std::cout,g);
-
-    writer.writeNodeMap("id", id);
-    writer.writeNodeMap("coordinates_x", xc);
-    writer.writeNodeMap("coordinates_y", yc);
-    writer.run();
-}
-
-int GraphDisplayerCanvas::changeLineWidth (std::string mapname)
-{
-  for (EdgeIt i(g); i!=INVALID; ++i)
-  {
-    int w=(int)(*(mapstorage.edgemap_storage)[mapname])[i];
-    edgesmap[i]->property_width_pixels().set_value(w);
-  }
-  return 0;
-};
-
-int GraphDisplayerCanvas::changeColor (std::string mapname)
-{  
-  for (EdgeIt i(g); i!=INVALID; ++i)
-  {
-    double w=(*(mapstorage.edgemap_storage)[mapname])[i];
-    double max=mapstorage.maxOfEdgeMap(mapname);
-    double min=mapstorage.minOfEdgeMap(mapname);
-      
-    //std::cout<<w<<" "<<max<<" "<<min<<" "<<100*(w-min)/(max-min)<<std::endl;
-    Gdk::Color color;
-    if(max!=min)
-    {
-      color.set_rgb_p (0, 100*(w-min)/(max-min), 0);
-    }
-    else
-    {
-      color.set_rgb_p (0, 100, 0);
-    }
-
-    edgesmap[i]->property_fill_color_gdk().set_value(color);
-  }
-  return 0;
-};
-
-int GraphDisplayerCanvas::changeText (std::string mapname)
-{
-  for (EdgeIt i(g); i!=INVALID; ++i)
-  {
-    if(mapname!="Text")
-    {
-      double number=(*(mapstorage.edgemap_storage)[mapname])[i];
-      int length=(int)(floor(log(number)/log(10)))+1;
-      int maxpos=(int)(pow(10,length-1));
-      int strl=length+1+RANGE;
-      char * str=new char[strl];
-      str[length]='.';
-      str[strl]='\0';
-      
-      for(int j=0;j<strl;j++)
-      {
-	if(j!=length)
-        {
-	  int digit=(int)(number/maxpos);
-	  str[j]=(digit+'0');
-	  number-=digit*maxpos;
-	  number*=10;
-        }
-      }
-      
-      edgetextmap[i]->property_text().set_value(str);
-    }
-    else
-    {
-      edgetextmap[i]->property_text().set_value("");
-    }
-  }
-  return 0;
-};
-
-
-int GraphDisplayerCanvas::rezoom ()
-{
-  double x1, x2, y1, y2;
-  int x,y;
-
-  NodeIt i(g);
-  nodesmap[i]->get_bounds(x1, y1, x2, y2);
-
-  x=(int)((x1+x2)/2);
-  y=(int)((y1+y2)/2);
-  
-  int maxx=0, maxy=0, minx=(int)x, miny=(int)y;
-
-  for (; i!=INVALID; ++i)
-  {
-    nodesmap[i]->get_bounds(x1, y1, x2, y2);
-
-    x=(int)((x1+x2)/2);
-    y=(int)((y1+y2)/2);
-
-    if(x>maxx)maxx=x;
-    if(y>maxy)maxy=y;
-    if(x<minx)minx=x;
-    if(y<miny)miny=y;
-  }
-
-  double biggest_x=(abs(maxx)>abs(minx))?(abs(maxx)+80):(abs(minx)+80);
-  double biggest_y=(abs(maxy)>abs(miny))?(abs(maxy)+80):(abs(miny)+80);
-
-  set_pixels_per_unit((biggest_x-WIN_WIDTH>biggest_y-WIN_HEIGHT)?(WIN_WIDTH/biggest_x/2):(WIN_HEIGHT/biggest_y/2));
-  return 0;
-};
-
-
-///This function moves only one node of displayed_graph,
-///but recalculate the location of weight point,
-///and also redraw the sides of the planefigure.
-bool GraphDisplayerCanvas::event_handler(GdkEvent* e, Node n)
-{
-  switch(e->type)
-  {
-    case GDK_BUTTON_PRESS:
-      clicked_x=e->button.x;
-      clicked_y=e->button.y;
-      active_item=(get_item_at(e->button.x, e->button.y));
-      isbutton=true;
-      break;
-    case GDK_BUTTON_RELEASE:
-      isbutton=false;
-      active_item=NULL;
-      break;
-    case GDK_MOTION_NOTIFY:
-      if(isbutton)
-      {
-        double dx=e->motion.x-clicked_x;
-        double dy=e->motion.y-clicked_y;
-        active_item->move(dx, dy);
-        clicked_x=e->motion.x;
-        clicked_y=e->motion.y;
-
-        EdgeIt e;
-
-        g.firstOut(e,n);
-        for(;e!=INVALID;g.nextOut(e))
-        {
-            Gnome::Canvas::Points coos;
-            double x1, x2, y1, y2;
-
-            nodesmap[g.source(e)]->get_bounds(x1, y1, x2, y2);
-            coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
-
-            nodesmap[g.target(e)]->get_bounds(x1, y1, x2, y2);
-            coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
-
-            edgesmap[e]->property_points().set_value(coos);
-
-	    edgesmap[e]->get_bounds(x1, y1, x2, y2);
-
-	    edgetextmap[e]->property_x().set_value((x1+x2)/2);
-	    edgetextmap[e]->property_y().set_value((y1+y2)/2);
-        }
-
-        g.firstIn(e,n);
-        for(;e!=INVALID;g.nextIn(e))
-        {
-            Gnome::Canvas::Points coos;
-            double x1, x2, y1, y2;
-
-            nodesmap[g.source(e)]->get_bounds(x1, y1, x2, y2);
-            coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
-
-            nodesmap[g.target(e)]->get_bounds(x1, y1, x2, y2);
-            coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
-
-            edgesmap[e]->property_points().set_value(coos);
-
-	    edgesmap[e]->get_bounds(x1, y1, x2, y2);
-
-	    edgetextmap[e]->property_x().set_value((x1+x2)/2);
-	    edgetextmap[e]->property_y().set_value((y1+y2)/2);
-        }
-      }
-    default: break;
-  }
-  return true;
-}
-
-bool GraphDisplayerCanvas::on_expose_event(GdkEventExpose *event)
-{
-  Gnome::Canvas::CanvasAA::on_expose_event(event);
-  //usleep(10000);
-  //rezoom();
-  return true;
-}