graph_displayer_canvas-event.cc
branchgui
changeset 63 59768817442a
parent 62 80eefca04b1e
child 64 7a32d528857f
     1.1 --- a/graph_displayer_canvas-event.cc	Thu Aug 18 13:33:49 2005 +0000
     1.2 +++ b/graph_displayer_canvas-event.cc	Tue Aug 23 07:36:09 2005 +0000
     1.3 @@ -214,13 +214,19 @@
     1.4  bool GraphDisplayerCanvas::createNodeEventHandler(GdkEvent* e)
     1.5  {
     1.6    switch(e->type)
     1.7 -    {
     1.8 +  {
     1.9 +    //move the new node
    1.10 +    case GDK_MOTION_NOTIFY:
    1.11 +      {
    1.12 +        GdkEvent * generated=new GdkEvent();
    1.13 +        generated->motion.x=e->motion.x;
    1.14 +        generated->motion.y=e->motion.y;
    1.15 +        generated->type=GDK_MOTION_NOTIFY;
    1.16 +        moveEventHandler(generated);      
    1.17 +        break;
    1.18 +      }
    1.19  
    1.20 -      //draw the new node in red at the clicked place
    1.21 -    case GDK_2BUTTON_PRESS:
    1.22 -      //std::cout << "double click" << std::endl;
    1.23 -      break;
    1.24 -    case GDK_BUTTON_PRESS:
    1.25 +    case GDK_BUTTON_RELEASE:
    1.26        mapstorage.modified = true;
    1.27  
    1.28        isbutton=1;
    1.29 @@ -231,183 +237,188 @@
    1.30  
    1.31        window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
    1.32  
    1.33 +      // update coordinates
    1.34        mapstorage.coords.set(active_node, xy<double>(clicked_x, clicked_y));
    1.35 +
    1.36 +      // update id map
    1.37        (*mapstorage.nodemap_storage["id"])[active_node] =
    1.38          mapstorage.graph.id(active_node);
    1.39  
    1.40 +      // update all other maps
    1.41 +      for (std::map<std::string, Graph::NodeMap<double>*>::const_iterator it =
    1.42 +          mapstorage.nodemap_storage.begin(); it !=
    1.43 +          mapstorage.nodemap_storage.end(); ++it)
    1.44 +      {
    1.45 +        if ((it->first != "id") &&
    1.46 +            (it->first != "coordinates_x") &&
    1.47 +            (it->first != "coordiantes_y"))
    1.48 +        {
    1.49 +          (*(it->second))[active_node] =
    1.50 +            mapstorage.nodemap_default[it->first];
    1.51 +        }
    1.52 +      }
    1.53 +
    1.54        nodesmap[active_node]=new Gnome::Canvas::Ellipse(displayed_graph,
    1.55 -        clicked_x-20, clicked_y-20, clicked_x+20, clicked_y+20);
    1.56 +          clicked_x-20, clicked_y-20, clicked_x+20, clicked_y+20);
    1.57        active_item=(Gnome::Canvas::Item *)(nodesmap[active_node]);
    1.58 -      *(nodesmap[active_node]) << Gnome::Canvas::Properties::fill_color("red");
    1.59 -      *(nodesmap[active_node]) << Gnome::Canvas::Properties::outline_color("black");
    1.60 +      *(nodesmap[active_node]) <<
    1.61 +        Gnome::Canvas::Properties::fill_color("blue");
    1.62 +      *(nodesmap[active_node]) <<
    1.63 +        Gnome::Canvas::Properties::outline_color("black");
    1.64 +      active_item->raise_to_top();
    1.65 +
    1.66        (nodesmap[active_node])->show();
    1.67  
    1.68        nodetextmap[active_node]=new Gnome::Canvas::Text(displayed_graph,
    1.69 -        clicked_x+node_property_defaults[N_RADIUS]+5,
    1.70 -        clicked_y+node_property_defaults[N_RADIUS]+5, "");
    1.71 +          clicked_x+node_property_defaults[N_RADIUS]+5,
    1.72 +          clicked_y+node_property_defaults[N_RADIUS]+5, "");
    1.73        nodetextmap[active_node]->property_fill_color().set_value("darkblue");
    1.74 +      nodetextmap[active_node]->raise_to_top();
    1.75  
    1.76        mapwin.updateNode(active_node);
    1.77  
    1.78 -      break;
    1.79 -
    1.80 -      //move the new node
    1.81 -    case GDK_MOTION_NOTIFY:
    1.82 -      {
    1.83 -	GdkEvent * generated=new GdkEvent();
    1.84 -	generated->motion.x=e->motion.x;
    1.85 -	generated->motion.y=e->motion.y;
    1.86 -	generated->type=GDK_MOTION_NOTIFY;
    1.87 -	moveEventHandler(generated);      
    1.88 -	break;
    1.89 -      }
    1.90 -
    1.91 -      //finalize the new node
    1.92 -    case GDK_BUTTON_RELEASE:
    1.93 -      window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
    1.94 -
    1.95 -      active_item->lower_to_bottom();
    1.96 -
    1.97 -      target_item=NULL;
    1.98 -      target_item=get_item_at(clicked_x, clicked_y);
    1.99 -
   1.100 -      active_item->raise_to_top();
   1.101 -
   1.102        isbutton=0;
   1.103 -      if(target_item==active_item)
   1.104 -	{
   1.105 -	  //Its appropriate color is given by update.
   1.106 -	  *active_item << Gnome::Canvas::Properties::fill_color("blue");
   1.107 -	}
   1.108 -      else
   1.109 -	{
   1.110 -	  //In this case the given color has to be overwritten, because the noe covers an other item.
   1.111 -	  *active_item << Gnome::Canvas::Properties::fill_color("lightblue");
   1.112 -	}
   1.113        target_item=NULL;
   1.114        active_item=NULL;
   1.115        active_node=INVALID;
   1.116 +
   1.117        break;
   1.118      default:
   1.119        break;
   1.120 -    }
   1.121 +  }
   1.122    return false;
   1.123  }
   1.124  
   1.125  bool GraphDisplayerCanvas::createEdgeEventHandler(GdkEvent* e)
   1.126  {
   1.127    switch(e->type)
   1.128 -    {
   1.129 +  {
   1.130      case GDK_BUTTON_PRESS:
   1.131        //in edge creation right button has special meaning
   1.132        if(e->button.button!=3)
   1.133 -	{
   1.134 -	  //there is not yet selected node
   1.135 -	  if(active_node==INVALID)
   1.136 -	    {
   1.137 -	      //we mark the location of the event to be able to calculate parameters of dragging
   1.138 +      {
   1.139 +        //there is not yet selected node
   1.140 +        if(active_node==INVALID)
   1.141 +        {
   1.142 +          //we mark the location of the event to be able to calculate parameters of dragging
   1.143  
   1.144 -	      window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
   1.145 +          window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
   1.146  
   1.147 -	      active_item=(get_item_at(clicked_x, clicked_y));
   1.148 -	      active_node=INVALID;
   1.149 -	      for (NodeIt i(mapstorage.graph); i!=INVALID; ++i)
   1.150 -		{
   1.151 -		  if(nodesmap[i]==active_item)
   1.152 -		    {
   1.153 -		      active_node=i;
   1.154 -		    }
   1.155 -		}
   1.156 -	      //the clicked item is really a node
   1.157 -	      if(active_node!=INVALID)
   1.158 -		{
   1.159 -		  *(nodesmap[active_node]) << Gnome::Canvas::Properties::fill_color("red");
   1.160 -		  isbutton=1;
   1.161 -		}
   1.162 -	      //clicked item was not a node. It could be e.g. edge.
   1.163 -	      else
   1.164 -		{
   1.165 -		  active_item=NULL;
   1.166 -		}
   1.167 -	    }
   1.168 -	  //we only have to do sg. if the mouse button
   1.169 -	  // is pressed already once AND the click was
   1.170 -	  // on a node that was found in the set of 
   1.171 -	  //nodes, and now we only search for the second 
   1.172 -	  //node
   1.173 -	  else
   1.174 -	    {
   1.175 -	      window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
   1.176 -	      target_item=(get_item_at(clicked_x, clicked_y));
   1.177 -	      Node target_node=INVALID;
   1.178 -	      for (NodeIt i(mapstorage.graph); i!=INVALID; ++i)
   1.179 -		{
   1.180 -		  if(nodesmap[i]==target_item)
   1.181 -		    {
   1.182 -		      target_node=i;
   1.183 -		    }
   1.184 -		}
   1.185 -	      //the clicked item is a node, the edge can be drawn
   1.186 -	      if(target_node!=INVALID)
   1.187 -		{
   1.188 -		  if(target_node!=active_node)		
   1.189 -		    {
   1.190 -          mapstorage.modified = true;
   1.191 +          active_item=(get_item_at(clicked_x, clicked_y));
   1.192 +          active_node=INVALID;
   1.193 +          for (NodeIt i(mapstorage.graph); i!=INVALID; ++i)
   1.194 +          {
   1.195 +            if(nodesmap[i]==active_item)
   1.196 +            {
   1.197 +              active_node=i;
   1.198 +            }
   1.199 +          }
   1.200 +          //the clicked item is really a node
   1.201 +          if(active_node!=INVALID)
   1.202 +          {
   1.203 +            *(nodesmap[active_node]) << Gnome::Canvas::Properties::fill_color("red");
   1.204 +            isbutton=1;
   1.205 +          }
   1.206 +          //clicked item was not a node. It could be e.g. edge.
   1.207 +          else
   1.208 +          {
   1.209 +            active_item=NULL;
   1.210 +          }
   1.211 +        }
   1.212 +        //we only have to do sg. if the mouse button
   1.213 +        // is pressed already once AND the click was
   1.214 +        // on a node that was found in the set of 
   1.215 +        //nodes, and now we only search for the second 
   1.216 +        //node
   1.217 +        else
   1.218 +        {
   1.219 +          window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
   1.220 +          target_item=(get_item_at(clicked_x, clicked_y));
   1.221 +          Node target_node=INVALID;
   1.222 +          for (NodeIt i(mapstorage.graph); i!=INVALID; ++i)
   1.223 +          {
   1.224 +            if(nodesmap[i]==target_item)
   1.225 +            {
   1.226 +              target_node=i;
   1.227 +            }
   1.228 +          }
   1.229 +          //the clicked item is a node, the edge can be drawn
   1.230 +          if(target_node!=INVALID)
   1.231 +          {
   1.232 +            if(target_node!=active_node)		
   1.233 +            {
   1.234 +              mapstorage.modified = true;
   1.235  
   1.236 -		      *(nodesmap[target_node]) <<
   1.237 -			Gnome::Canvas::Properties::fill_color("red");
   1.238 +              *(nodesmap[target_node]) <<
   1.239 +                Gnome::Canvas::Properties::fill_color("red");
   1.240  
   1.241 -		      //creating new edge
   1.242 -		      active_edge=mapstorage.graph.addEdge(active_node,
   1.243 -							   target_node);
   1.244 +              //creating new edge
   1.245 +              active_edge=mapstorage.graph.addEdge(active_node,
   1.246 +                  target_node);
   1.247  
   1.248 -		      //initiating values corresponding to new edge in maps
   1.249 -		      mapstorage.initMapsForEdge(active_edge);
   1.250 -                      (*mapstorage.edgemap_storage["id"])[active_edge] = 
   1.251 -			mapstorage.graph.id(active_edge);
   1.252 -	  
   1.253 -		      //calculating coordinates of new edge
   1.254 -		      Gnome::Canvas::Points coos;
   1.255 -		      double x1, x2, y1, y2;
   1.256 -	  
   1.257 -		      active_item->get_bounds(x1, y1, x2, y2);
   1.258 -		      coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
   1.259 +              // update id map
   1.260 +              (*mapstorage.edgemap_storage["id"])[active_edge] = 
   1.261 +                mapstorage.graph.id(active_edge);
   1.262 + 
   1.263 +              // update all other maps
   1.264 +              for (std::map<std::string,
   1.265 +                  Graph::EdgeMap<double>*>::const_iterator it =
   1.266 +                  mapstorage.edgemap_storage.begin(); it !=
   1.267 +                  mapstorage.edgemap_storage.end(); ++it)
   1.268 +              {
   1.269 +                if (it->first != "id")
   1.270 +                {
   1.271 +                  (*(it->second))[active_edge] =
   1.272 +                    mapstorage.edgemap_default[it->first];
   1.273 +                }
   1.274 +              }
   1.275  
   1.276 -		      target_item->get_bounds(x1, y1, x2, y2);
   1.277 -		      coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
   1.278 +              //calculating coordinates of new edge
   1.279 +              Gnome::Canvas::Points coos;
   1.280 +              double x1, x2, y1, y2;
   1.281  
   1.282 -		      //drawing new edge
   1.283 -		      edgesmap[active_edge]=new BrokenEdge(displayed_graph, coos, *this);
   1.284 -		      *(edgesmap[active_edge]) << Gnome::Canvas::Properties::fill_color("green");
   1.285 -		      edgesmap[active_edge]->property_width_pixels().set_value(10);
   1.286 +              active_item->get_bounds(x1, y1, x2, y2);
   1.287 +              coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
   1.288  
   1.289 -		      //redraw nodes to blank terminations of the new edge
   1.290 -		      target_item->raise_to_top();
   1.291 -		      active_item->raise_to_top();
   1.292 +              target_item->get_bounds(x1, y1, x2, y2);
   1.293 +              coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
   1.294  
   1.295 -		      //initializing edge-text as well, to empty string
   1.296 -		      xy<double> text_pos=edgesmap[active_edge]->getArrowPos();
   1.297 -		      text_pos+=(xy<double>(10,10));
   1.298 +              //drawing new edge
   1.299 +              edgesmap[active_edge]=new BrokenEdge(displayed_graph, coos,
   1.300 +                  *this);
   1.301 +              *(edgesmap[active_edge]) <<
   1.302 +                Gnome::Canvas::Properties::fill_color("green");
   1.303 +              edgesmap[active_edge]->property_width_pixels().set_value(10);
   1.304  
   1.305 -		      edgetextmap[active_edge]=new Gnome::Canvas::Text(displayed_graph, text_pos.x, text_pos.y, "");
   1.306 -		      edgetextmap[active_edge]->property_fill_color().set_value("darkgreen");
   1.307 +              edgesmap[active_edge]->lower_to_bottom();
   1.308  
   1.309 -		      //updating its properties
   1.310 -		      mapwin.updateEdge(active_edge);
   1.311 -		    }
   1.312 -		  else
   1.313 -		    {
   1.314 -		      target_node=INVALID;
   1.315 -		      std::cerr << "Loop edge is not yet implemented!" << std::endl;
   1.316 -		    }
   1.317 -		}
   1.318 -	      //clicked item was not a node. it could be an e.g. edge. we do not deal with it furthermore.
   1.319 -	      else
   1.320 -		{
   1.321 -		  target_item=NULL;
   1.322 -		}
   1.323 -	    }
   1.324 -	}
   1.325 +              //initializing edge-text as well, to empty string
   1.326 +              xy<double> text_pos=edgesmap[active_edge]->getArrowPos();
   1.327 +              text_pos+=(xy<double>(10,10));
   1.328 +
   1.329 +              edgetextmap[active_edge]=new Gnome::Canvas::Text(displayed_graph,
   1.330 +                  text_pos.x, text_pos.y, "");
   1.331 +              edgetextmap[active_edge]->property_fill_color().set_value(
   1.332 +                  "darkgreen");
   1.333 +              edgetextmap[active_edge]->raise_to_top();
   1.334 +
   1.335 +              //updating its properties
   1.336 +              mapwin.updateEdge(active_edge);
   1.337 +            }
   1.338 +            else
   1.339 +            {
   1.340 +              target_node=INVALID;
   1.341 +              std::cerr << "Loop edge is not yet implemented!" << std::endl;
   1.342 +            }
   1.343 +          }
   1.344 +          //clicked item was not a node. it could be an e.g. edge. we do not
   1.345 +          //deal with it furthermore.
   1.346 +          else
   1.347 +          {
   1.348 +            target_item=NULL;
   1.349 +          }
   1.350 +        }
   1.351 +      }
   1.352        break;
   1.353      case GDK_BUTTON_RELEASE:
   1.354        isbutton=0;
   1.355 @@ -415,24 +426,24 @@
   1.356        //1: the edge is ready (target_item has valid value)
   1.357        //2: the edge creation is cancelled with right button
   1.358        if((target_item)||(e->button.button==3))
   1.359 -	{
   1.360 -	  if(active_item)
   1.361 -	    {
   1.362 -	      *active_item << Gnome::Canvas::Properties::fill_color("blue");
   1.363 -	      active_item=NULL;
   1.364 -	    }
   1.365 -	  if(target_item)
   1.366 -	    {
   1.367 -	      *target_item << Gnome::Canvas::Properties::fill_color("blue");
   1.368 -	      target_item=NULL;
   1.369 -	    }
   1.370 -	  active_node=INVALID;
   1.371 -	  active_edge=INVALID;
   1.372 -	}
   1.373 +      {
   1.374 +        if(active_item)
   1.375 +        {
   1.376 +          *active_item << Gnome::Canvas::Properties::fill_color("blue");
   1.377 +          active_item=NULL;
   1.378 +        }
   1.379 +        if(target_item)
   1.380 +        {
   1.381 +          *target_item << Gnome::Canvas::Properties::fill_color("blue");
   1.382 +          target_item=NULL;
   1.383 +        }
   1.384 +        active_node=INVALID;
   1.385 +        active_edge=INVALID;
   1.386 +      }
   1.387        break;
   1.388      default:
   1.389        break;
   1.390 -    }
   1.391 +  }
   1.392    return false;
   1.393  }
   1.394  
   1.395 @@ -588,6 +599,8 @@
   1.396  	    //if it was really an edge...
   1.397  	    if(clicked_edge!=INVALID)
   1.398  	      {
   1.399 +                // the id map is not editable
   1.400 +                if (nodemap_to_edit == "id") return 0;
   1.401  		//If there is already edited edge, it has to be saved first
   1.402  		if(entrywidget.is_visible())
   1.403  		  {
   1.404 @@ -711,6 +724,8 @@
   1.405  	    //if it was really an edge...
   1.406  	    if(clicked_node!=INVALID)
   1.407  	      {
   1.408 +                // the id map is not editable
   1.409 +                if (nodemap_to_edit == "id") return 0;
   1.410  		//If there is already edited edge, it has to be saved first
   1.411  		if(entrywidget.is_visible())
   1.412  		  {
   1.413 @@ -913,7 +928,7 @@
   1.414  
   1.415    //if addition was not successful addEdgeMap returns one.
   1.416    //cause can be that there is already a map named like the new one
   1.417 -  if(mapstorage.addEdgeMap(mapname,emptr))
   1.418 +  if(mapstorage.addEdgeMap(mapname,emptr, default_value))
   1.419      {
   1.420        return 1;
   1.421      }
   1.422 @@ -935,7 +950,7 @@
   1.423  
   1.424    //if addition was not successful addNodeMap returns one.
   1.425    //cause can be that there is already a map named like the new one
   1.426 -  if(mapstorage.addNodeMap(mapname,emptr))
   1.427 +  if(mapstorage.addNodeMap(mapname,emptr, default_value))
   1.428      {
   1.429        return 1;
   1.430      }