ladanyi@53
|
1 |
#include "graph_displayer_canvas.h"
|
alpar@59
|
2 |
#include <cmath>
|
hegyi@27
|
3 |
|
hegyi@27
|
4 |
|
hegyi@27
|
5 |
bool GraphDisplayerCanvas::on_expose_event(GdkEventExpose *event)
|
hegyi@27
|
6 |
{
|
hegyi@27
|
7 |
Gnome::Canvas::CanvasAA::on_expose_event(event);
|
hegyi@27
|
8 |
//usleep(10000);
|
hegyi@27
|
9 |
//rezoom();
|
hegyi@27
|
10 |
return true;
|
hegyi@27
|
11 |
}
|
hegyi@27
|
12 |
|
hegyi@27
|
13 |
void GraphDisplayerCanvas::changeEditorialTool(int newtool)
|
hegyi@27
|
14 |
{
|
hegyi@34
|
15 |
if(actual_tool!=newtool)
|
hegyi@34
|
16 |
{
|
hegyi@27
|
17 |
|
hegyi@34
|
18 |
actual_handler.disconnect();
|
hegyi@27
|
19 |
|
hegyi@34
|
20 |
switch(actual_tool)
|
hegyi@34
|
21 |
{
|
hegyi@34
|
22 |
case CREATE_EDGE:
|
hegyi@34
|
23 |
{
|
hegyi@34
|
24 |
GdkEvent * generated=new GdkEvent();
|
hegyi@34
|
25 |
generated->type=GDK_BUTTON_RELEASE;
|
hegyi@34
|
26 |
generated->button.button=3;
|
hegyi@34
|
27 |
createEdgeEventHandler(generated);
|
hegyi@34
|
28 |
break;
|
hegyi@34
|
29 |
}
|
hegyi@149
|
30 |
case MAP_EDIT:
|
hegyi@35
|
31 |
{
|
hegyi@35
|
32 |
break;
|
hegyi@35
|
33 |
}
|
hegyi@34
|
34 |
default:
|
hegyi@34
|
35 |
break;
|
hegyi@34
|
36 |
}
|
hegyi@27
|
37 |
|
hegyi@34
|
38 |
active_item=NULL;
|
hegyi@34
|
39 |
target_item=NULL;
|
hegyi@34
|
40 |
active_edge=INVALID;
|
hegyi@34
|
41 |
active_node=INVALID;
|
hegyi@33
|
42 |
|
hegyi@27
|
43 |
|
hegyi@34
|
44 |
actual_tool=newtool;
|
hegyi@34
|
45 |
|
hegyi@34
|
46 |
switch(newtool)
|
hegyi@34
|
47 |
{
|
hegyi@34
|
48 |
case MOVE:
|
hegyi@34
|
49 |
actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::moveEventHandler), false);
|
hegyi@34
|
50 |
break;
|
hegyi@27
|
51 |
|
hegyi@34
|
52 |
case CREATE_NODE:
|
hegyi@34
|
53 |
actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::createNodeEventHandler), false);
|
hegyi@34
|
54 |
break;
|
hegyi@27
|
55 |
|
hegyi@34
|
56 |
case CREATE_EDGE:
|
hegyi@34
|
57 |
actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::createEdgeEventHandler), false);
|
hegyi@34
|
58 |
break;
|
hegyi@27
|
59 |
|
hegyi@34
|
60 |
case ERASER:
|
hegyi@34
|
61 |
actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::eraserEventHandler), false);
|
hegyi@34
|
62 |
break;
|
hegyi@32
|
63 |
|
hegyi@149
|
64 |
case MAP_EDIT:
|
hegyi@34
|
65 |
grab_focus();
|
hegyi@149
|
66 |
actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::mapEditEventHandler), false);
|
hegyi@34
|
67 |
break;
|
hegyi@34
|
68 |
|
hegyi@34
|
69 |
default:
|
hegyi@34
|
70 |
break;
|
hegyi@34
|
71 |
}
|
hegyi@27
|
72 |
}
|
hegyi@27
|
73 |
}
|
hegyi@27
|
74 |
|
hegyi@30
|
75 |
int GraphDisplayerCanvas::getActualTool()
|
hegyi@27
|
76 |
{
|
hegyi@27
|
77 |
return actual_tool;
|
hegyi@27
|
78 |
}
|
hegyi@27
|
79 |
|
hegyi@30
|
80 |
bool GraphDisplayerCanvas::moveEventHandler(GdkEvent* e)
|
hegyi@27
|
81 |
{
|
ladanyi@70
|
82 |
static Gnome::Canvas::Text *coord_text = 0;
|
hegyi@27
|
83 |
switch(e->type)
|
hegyi@160
|
84 |
{
|
hegyi@27
|
85 |
case GDK_BUTTON_PRESS:
|
hegyi@27
|
86 |
//we mark the location of the event to be able to calculate parameters of dragging
|
hegyi@31
|
87 |
window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
|
hegyi@160
|
88 |
|
hegyi@31
|
89 |
active_item=(get_item_at(clicked_x, clicked_y));
|
hegyi@27
|
90 |
active_node=INVALID;
|
hegyi@96
|
91 |
for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i)
|
hegyi@27
|
92 |
{
|
hegyi@27
|
93 |
if(nodesmap[i]==active_item)
|
hegyi@27
|
94 |
{
|
hegyi@27
|
95 |
active_node=i;
|
hegyi@27
|
96 |
}
|
hegyi@27
|
97 |
}
|
hegyi@148
|
98 |
isbutton=e->button.button;
|
hegyi@27
|
99 |
break;
|
hegyi@27
|
100 |
case GDK_BUTTON_RELEASE:
|
ladanyi@70
|
101 |
if (coord_text)
|
hegyi@160
|
102 |
{
|
hegyi@160
|
103 |
delete coord_text;
|
hegyi@160
|
104 |
coord_text = 0;
|
hegyi@160
|
105 |
}
|
hegyi@27
|
106 |
isbutton=0;
|
hegyi@27
|
107 |
active_item=NULL;
|
hegyi@27
|
108 |
active_node=INVALID;
|
hegyi@27
|
109 |
break;
|
hegyi@27
|
110 |
case GDK_MOTION_NOTIFY:
|
hegyi@27
|
111 |
//we only have to do sg. if the mouse button is pressed AND the click was on a node that was found in the set of nodes
|
hegyi@27
|
112 |
if(active_node!=INVALID)
|
hegyi@160
|
113 |
{
|
hegyi@160
|
114 |
(mytab.mapstorage).modified = true;
|
hegyi@160
|
115 |
|
hegyi@160
|
116 |
//new coordinates will be the old values,
|
hegyi@160
|
117 |
//because the item will be moved to the
|
hegyi@160
|
118 |
//new coordinate therefore the new movement
|
hegyi@160
|
119 |
//has to be calculated from here
|
hegyi@160
|
120 |
|
hegyi@160
|
121 |
double new_x, new_y;
|
hegyi@160
|
122 |
|
hegyi@160
|
123 |
window_to_world (e->motion.x, e->motion.y, new_x, new_y);
|
hegyi@160
|
124 |
|
hegyi@160
|
125 |
double dx=new_x-clicked_x;
|
hegyi@160
|
126 |
double dy=new_y-clicked_y;
|
hegyi@160
|
127 |
|
hegyi@160
|
128 |
moveNode(dx, dy);
|
ladanyi@70
|
129 |
|
hegyi@160
|
130 |
clicked_x=new_x;
|
hegyi@160
|
131 |
clicked_y=new_y;
|
hegyi@27
|
132 |
|
hegyi@160
|
133 |
// reposition the coordinates text
|
hegyi@160
|
134 |
std::ostringstream ostr;
|
hegyi@160
|
135 |
ostr << "(" <<
|
hegyi@160
|
136 |
(mytab.mapstorage).coords[active_node].x << ", " <<
|
hegyi@160
|
137 |
(mytab.mapstorage).coords[active_node].y << ")";
|
hegyi@160
|
138 |
double radius =
|
hegyi@160
|
139 |
(nodesmap[active_node]->property_x2().get_value() -
|
hegyi@160
|
140 |
nodesmap[active_node]->property_x1().get_value()) / 2.0;
|
hegyi@160
|
141 |
if (coord_text)
|
hegyi@160
|
142 |
{
|
hegyi@160
|
143 |
coord_text->property_text().set_value(ostr.str());
|
hegyi@160
|
144 |
coord_text->property_x().set_value((mytab.mapstorage).coords[active_node].x +
|
hegyi@160
|
145 |
radius);
|
hegyi@160
|
146 |
coord_text->property_y().set_value((mytab.mapstorage).coords[active_node].y -
|
hegyi@160
|
147 |
radius);
|
hegyi@160
|
148 |
}
|
hegyi@160
|
149 |
else
|
hegyi@160
|
150 |
{
|
hegyi@160
|
151 |
coord_text = new Gnome::Canvas::Text(
|
hegyi@160
|
152 |
displayed_graph,
|
hegyi@160
|
153 |
(mytab.mapstorage).coords[active_node].x + radius,
|
hegyi@160
|
154 |
(mytab.mapstorage).coords[active_node].y - radius,
|
hegyi@160
|
155 |
ostr.str());
|
hegyi@160
|
156 |
coord_text->property_fill_color().set_value("black");
|
hegyi@160
|
157 |
coord_text->property_anchor().set_value(Gtk::ANCHOR_SOUTH_WEST);
|
hegyi@160
|
158 |
}
|
hegyi@31
|
159 |
|
hegyi@31
|
160 |
|
hegyi@160
|
161 |
}
|
hegyi@160
|
162 |
default: break;
|
hegyi@160
|
163 |
}
|
hegyi@27
|
164 |
|
hegyi@160
|
165 |
return false;
|
hegyi@27
|
166 |
}
|
hegyi@27
|
167 |
|
hegyi@148
|
168 |
XY GraphDisplayerCanvas::calcArrowPos(XY moved_node_1, XY moved_node_2, XY fix_node, XY old_arrow_pos, int move_code)
|
ladanyi@98
|
169 |
{
|
hegyi@148
|
170 |
switch(move_code)
|
hegyi@148
|
171 |
{
|
hegyi@148
|
172 |
case 1:
|
hegyi@148
|
173 |
return XY((moved_node_2.x + fix_node.x) / 2.0, (moved_node_2.y + fix_node.y) / 2.0);
|
hegyi@148
|
174 |
break;
|
hegyi@148
|
175 |
case 2:
|
hegyi@148
|
176 |
return old_arrow_pos;
|
hegyi@148
|
177 |
break;
|
hegyi@148
|
178 |
case 3:
|
hegyi@148
|
179 |
{
|
hegyi@148
|
180 |
//////////////////////////////////////////////////////////////////////////////////////////////////////
|
hegyi@148
|
181 |
/////////// keeps shape-with scalar multiplication - version 2.
|
hegyi@148
|
182 |
//////////////////////////////////////////////////////////////////////////////////////////////////////
|
ladanyi@98
|
183 |
|
hegyi@148
|
184 |
//old vector from one to the other node - a
|
hegyi@150
|
185 |
XY a_v(moved_node_1.x-fix_node.x,moved_node_1.y-fix_node.y);
|
hegyi@148
|
186 |
//new vector from one to the other node - b
|
hegyi@150
|
187 |
XY b_v(moved_node_2.x-fix_node.x,moved_node_2.y-fix_node.y);
|
ladanyi@98
|
188 |
|
hegyi@148
|
189 |
double absa=sqrt(a_v.normSquare());
|
hegyi@148
|
190 |
double absb=sqrt(b_v.normSquare());
|
ladanyi@98
|
191 |
|
hegyi@148
|
192 |
if ((absa == 0.0) || (absb == 0.0))
|
hegyi@148
|
193 |
{
|
hegyi@148
|
194 |
return old_arrow_pos;
|
hegyi@148
|
195 |
}
|
hegyi@148
|
196 |
else
|
hegyi@148
|
197 |
{
|
hegyi@148
|
198 |
//old vector from one node to the breakpoint - c
|
hegyi@150
|
199 |
XY c_v(old_arrow_pos.x-fix_node.x,old_arrow_pos.y-fix_node.y);
|
hegyi@148
|
200 |
|
hegyi@148
|
201 |
//unit vector with the same direction to a_v
|
hegyi@150
|
202 |
XY a_v_u(a_v.x/absa,a_v.y/absa);
|
hegyi@148
|
203 |
|
hegyi@148
|
204 |
//normal vector of unit vector with the same direction to a_v
|
hegyi@150
|
205 |
XY a_v_u_n(((-1)*a_v_u.y),a_v_u.x);
|
hegyi@148
|
206 |
|
hegyi@148
|
207 |
//unit vector with the same direction to b_v
|
hegyi@150
|
208 |
XY b_v_u(b_v.x/absb,b_v.y/absb);
|
hegyi@148
|
209 |
|
hegyi@148
|
210 |
//normal vector of unit vector with the same direction to b_v
|
hegyi@150
|
211 |
XY b_v_u_n(((-1)*b_v_u.y),b_v_u.x);
|
hegyi@148
|
212 |
|
hegyi@148
|
213 |
//vector c in a_v_u and a_v_u_n co-ordinate system
|
hegyi@150
|
214 |
XY c_a(c_v*a_v_u,c_v*a_v_u_n);
|
hegyi@148
|
215 |
|
hegyi@148
|
216 |
//new vector from one node to the breakpoint - d - we have to calculate this one
|
hegyi@150
|
217 |
XY d_v=absb/absa*(c_a.x*b_v_u+c_a.y*b_v_u_n);
|
hegyi@148
|
218 |
|
hegyi@148
|
219 |
return XY(d_v.x+fix_node.x,d_v.y+fix_node.y);
|
hegyi@148
|
220 |
}
|
hegyi@148
|
221 |
break;
|
hegyi@148
|
222 |
}
|
hegyi@148
|
223 |
default:
|
hegyi@148
|
224 |
break;
|
ladanyi@98
|
225 |
}
|
hegyi@148
|
226 |
}
|
ladanyi@98
|
227 |
|
ladanyi@98
|
228 |
|
hegyi@30
|
229 |
bool GraphDisplayerCanvas::createNodeEventHandler(GdkEvent* e)
|
hegyi@27
|
230 |
{
|
hegyi@27
|
231 |
switch(e->type)
|
ladanyi@63
|
232 |
{
|
ladanyi@63
|
233 |
//move the new node
|
ladanyi@63
|
234 |
case GDK_MOTION_NOTIFY:
|
ladanyi@63
|
235 |
{
|
ladanyi@63
|
236 |
GdkEvent * generated=new GdkEvent();
|
ladanyi@63
|
237 |
generated->motion.x=e->motion.x;
|
ladanyi@63
|
238 |
generated->motion.y=e->motion.y;
|
ladanyi@63
|
239 |
generated->type=GDK_MOTION_NOTIFY;
|
ladanyi@63
|
240 |
moveEventHandler(generated);
|
ladanyi@63
|
241 |
break;
|
ladanyi@63
|
242 |
}
|
hegyi@27
|
243 |
|
ladanyi@63
|
244 |
case GDK_BUTTON_RELEASE:
|
hegyi@96
|
245 |
(mytab.mapstorage).modified = true;
|
ladanyi@53
|
246 |
|
hegyi@27
|
247 |
isbutton=1;
|
hegyi@27
|
248 |
|
hegyi@96
|
249 |
active_node=(mytab.mapstorage).graph.addNode();
|
hegyi@27
|
250 |
|
hegyi@27
|
251 |
//initiating values corresponding to new node in maps
|
hegyi@27
|
252 |
|
hegyi@27
|
253 |
window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
|
hegyi@27
|
254 |
|
ladanyi@63
|
255 |
// update coordinates
|
hegyi@150
|
256 |
(mytab.mapstorage).coords.set(active_node, XY(clicked_x, clicked_y));
|
ladanyi@63
|
257 |
|
ladanyi@63
|
258 |
// update all other maps
|
ladanyi@63
|
259 |
for (std::map<std::string, Graph::NodeMap<double>*>::const_iterator it =
|
hegyi@96
|
260 |
(mytab.mapstorage).nodemap_storage.begin(); it !=
|
hegyi@96
|
261 |
(mytab.mapstorage).nodemap_storage.end(); ++it)
|
ladanyi@63
|
262 |
{
|
ladanyi@64
|
263 |
if ((it->first != "coordinates_x") &&
|
ladanyi@64
|
264 |
(it->first != "coordinates_y"))
|
ladanyi@63
|
265 |
{
|
ladanyi@63
|
266 |
(*(it->second))[active_node] =
|
hegyi@96
|
267 |
(mytab.mapstorage).nodemap_default[it->first];
|
ladanyi@63
|
268 |
}
|
ladanyi@63
|
269 |
}
|
ladanyi@64
|
270 |
// increment the id map's default value
|
ladanyi@134
|
271 |
(mytab.mapstorage).nodemap_default["label"] += 1.0;
|
ladanyi@63
|
272 |
|
ladanyi@53
|
273 |
nodesmap[active_node]=new Gnome::Canvas::Ellipse(displayed_graph,
|
ladanyi@63
|
274 |
clicked_x-20, clicked_y-20, clicked_x+20, clicked_y+20);
|
hegyi@27
|
275 |
active_item=(Gnome::Canvas::Item *)(nodesmap[active_node]);
|
ladanyi@63
|
276 |
*(nodesmap[active_node]) <<
|
ladanyi@63
|
277 |
Gnome::Canvas::Properties::fill_color("blue");
|
ladanyi@63
|
278 |
*(nodesmap[active_node]) <<
|
ladanyi@63
|
279 |
Gnome::Canvas::Properties::outline_color("black");
|
ladanyi@63
|
280 |
active_item->raise_to_top();
|
ladanyi@63
|
281 |
|
hegyi@27
|
282 |
(nodesmap[active_node])->show();
|
hegyi@28
|
283 |
|
ladanyi@53
|
284 |
nodetextmap[active_node]=new Gnome::Canvas::Text(displayed_graph,
|
ladanyi@63
|
285 |
clicked_x+node_property_defaults[N_RADIUS]+5,
|
ladanyi@63
|
286 |
clicked_y+node_property_defaults[N_RADIUS]+5, "");
|
hegyi@28
|
287 |
nodetextmap[active_node]->property_fill_color().set_value("darkblue");
|
ladanyi@63
|
288 |
nodetextmap[active_node]->raise_to_top();
|
hegyi@28
|
289 |
|
hegyi@94
|
290 |
// mapwin.updateNode(active_node);
|
hegyi@94
|
291 |
propertyUpdate(active_node);
|
hegyi@28
|
292 |
|
hegyi@27
|
293 |
isbutton=0;
|
hegyi@31
|
294 |
target_item=NULL;
|
hegyi@27
|
295 |
active_item=NULL;
|
hegyi@27
|
296 |
active_node=INVALID;
|
hegyi@27
|
297 |
break;
|
hegyi@27
|
298 |
default:
|
hegyi@27
|
299 |
break;
|
ladanyi@63
|
300 |
}
|
hegyi@27
|
301 |
return false;
|
hegyi@27
|
302 |
}
|
hegyi@27
|
303 |
|
hegyi@30
|
304 |
bool GraphDisplayerCanvas::createEdgeEventHandler(GdkEvent* e)
|
hegyi@27
|
305 |
{
|
hegyi@27
|
306 |
switch(e->type)
|
ladanyi@63
|
307 |
{
|
hegyi@27
|
308 |
case GDK_BUTTON_PRESS:
|
hegyi@27
|
309 |
//in edge creation right button has special meaning
|
hegyi@27
|
310 |
if(e->button.button!=3)
|
ladanyi@63
|
311 |
{
|
ladanyi@63
|
312 |
//there is not yet selected node
|
ladanyi@63
|
313 |
if(active_node==INVALID)
|
ladanyi@63
|
314 |
{
|
ladanyi@63
|
315 |
//we mark the location of the event to be able to calculate parameters of dragging
|
hegyi@31
|
316 |
|
ladanyi@63
|
317 |
window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
|
hegyi@31
|
318 |
|
ladanyi@63
|
319 |
active_item=(get_item_at(clicked_x, clicked_y));
|
ladanyi@63
|
320 |
active_node=INVALID;
|
hegyi@96
|
321 |
for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i)
|
ladanyi@63
|
322 |
{
|
ladanyi@63
|
323 |
if(nodesmap[i]==active_item)
|
ladanyi@63
|
324 |
{
|
ladanyi@63
|
325 |
active_node=i;
|
ladanyi@63
|
326 |
}
|
ladanyi@63
|
327 |
}
|
ladanyi@63
|
328 |
//the clicked item is really a node
|
ladanyi@63
|
329 |
if(active_node!=INVALID)
|
ladanyi@63
|
330 |
{
|
ladanyi@63
|
331 |
*(nodesmap[active_node]) << Gnome::Canvas::Properties::fill_color("red");
|
ladanyi@63
|
332 |
isbutton=1;
|
ladanyi@63
|
333 |
}
|
ladanyi@63
|
334 |
//clicked item was not a node. It could be e.g. edge.
|
ladanyi@63
|
335 |
else
|
ladanyi@63
|
336 |
{
|
ladanyi@63
|
337 |
active_item=NULL;
|
ladanyi@63
|
338 |
}
|
ladanyi@63
|
339 |
}
|
ladanyi@63
|
340 |
//we only have to do sg. if the mouse button
|
ladanyi@63
|
341 |
// is pressed already once AND the click was
|
ladanyi@63
|
342 |
// on a node that was found in the set of
|
ladanyi@63
|
343 |
//nodes, and now we only search for the second
|
ladanyi@63
|
344 |
//node
|
ladanyi@63
|
345 |
else
|
ladanyi@63
|
346 |
{
|
ladanyi@63
|
347 |
window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
|
ladanyi@63
|
348 |
target_item=(get_item_at(clicked_x, clicked_y));
|
ladanyi@63
|
349 |
Node target_node=INVALID;
|
hegyi@96
|
350 |
for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i)
|
ladanyi@63
|
351 |
{
|
ladanyi@63
|
352 |
if(nodesmap[i]==target_item)
|
ladanyi@63
|
353 |
{
|
ladanyi@63
|
354 |
target_node=i;
|
ladanyi@63
|
355 |
}
|
ladanyi@63
|
356 |
}
|
ladanyi@63
|
357 |
//the clicked item is a node, the edge can be drawn
|
ladanyi@63
|
358 |
if(target_node!=INVALID)
|
ladanyi@63
|
359 |
{
|
ladanyi@151
|
360 |
(mytab.mapstorage).modified = true;
|
ladanyi@151
|
361 |
|
ladanyi@151
|
362 |
*(nodesmap[target_node]) <<
|
ladanyi@151
|
363 |
Gnome::Canvas::Properties::fill_color("red");
|
ladanyi@151
|
364 |
|
ladanyi@151
|
365 |
//creating new edge
|
ladanyi@151
|
366 |
active_edge=(mytab.mapstorage).graph.addEdge(active_node,
|
ladanyi@151
|
367 |
target_node);
|
ladanyi@151
|
368 |
|
ladanyi@151
|
369 |
// update maps
|
ladanyi@151
|
370 |
for (std::map<std::string,
|
ladanyi@151
|
371 |
Graph::EdgeMap<double>*>::const_iterator it =
|
ladanyi@151
|
372 |
(mytab.mapstorage).edgemap_storage.begin(); it !=
|
ladanyi@151
|
373 |
(mytab.mapstorage).edgemap_storage.end(); ++it)
|
ladanyi@151
|
374 |
{
|
ladanyi@151
|
375 |
(*(it->second))[active_edge] =
|
ladanyi@151
|
376 |
(mytab.mapstorage).edgemap_default[it->first];
|
ladanyi@151
|
377 |
}
|
ladanyi@151
|
378 |
// increment the id map's default value
|
ladanyi@151
|
379 |
(mytab.mapstorage).edgemap_default["label"] += 1.0;
|
ladanyi@151
|
380 |
|
ladanyi@63
|
381 |
if(target_node!=active_node)
|
ladanyi@63
|
382 |
{
|
ladanyi@113
|
383 |
// set the coordinates of the arrow on the new edge
|
ladanyi@113
|
384 |
MapStorage& ms = mytab.mapstorage;
|
ladanyi@113
|
385 |
ms.arrow_pos.set(active_edge,
|
ladanyi@113
|
386 |
(ms.coords[ms.graph.source(active_edge)] +
|
ladanyi@113
|
387 |
ms.coords[ms.graph.target(active_edge)])/ 2.0);
|
ladanyi@113
|
388 |
|
ladanyi@63
|
389 |
//drawing new edge
|
ladanyi@98
|
390 |
edgesmap[active_edge]=new BrokenEdge(displayed_graph, active_edge,
|
ladanyi@63
|
391 |
*this);
|
ladanyi@63
|
392 |
}
|
ladanyi@63
|
393 |
else
|
ladanyi@63
|
394 |
{
|
ladanyi@151
|
395 |
// set the coordinates of the arrow on the new edge
|
ladanyi@151
|
396 |
MapStorage& ms = mytab.mapstorage;
|
ladanyi@151
|
397 |
ms.arrow_pos.set(active_edge,
|
ladanyi@151
|
398 |
(ms.coords[ms.graph.source(active_edge)] +
|
ladanyi@151
|
399 |
XY(0.0, 80.0)));
|
ladanyi@151
|
400 |
|
ladanyi@151
|
401 |
//drawing new edge
|
ladanyi@151
|
402 |
edgesmap[active_edge]=new LoopEdge(displayed_graph, active_edge,
|
ladanyi@151
|
403 |
*this);
|
ladanyi@63
|
404 |
}
|
ladanyi@151
|
405 |
|
ladanyi@151
|
406 |
//initializing edge-text as well, to empty string
|
ladanyi@151
|
407 |
XY text_pos=mytab.mapstorage.arrow_pos[active_edge];
|
ladanyi@151
|
408 |
text_pos+=(XY(10,10));
|
ladanyi@151
|
409 |
|
ladanyi@151
|
410 |
edgetextmap[active_edge]=new Gnome::Canvas::Text(displayed_graph,
|
ladanyi@151
|
411 |
text_pos.x, text_pos.y, "");
|
ladanyi@151
|
412 |
edgetextmap[active_edge]->property_fill_color().set_value(
|
ladanyi@151
|
413 |
"darkgreen");
|
ladanyi@151
|
414 |
edgetextmap[active_edge]->raise_to_top();
|
ladanyi@151
|
415 |
|
ladanyi@151
|
416 |
propertyUpdate(active_edge);
|
ladanyi@63
|
417 |
}
|
ladanyi@63
|
418 |
//clicked item was not a node. it could be an e.g. edge. we do not
|
ladanyi@63
|
419 |
//deal with it furthermore.
|
ladanyi@63
|
420 |
else
|
ladanyi@63
|
421 |
{
|
ladanyi@63
|
422 |
target_item=NULL;
|
ladanyi@63
|
423 |
}
|
ladanyi@63
|
424 |
}
|
ladanyi@63
|
425 |
}
|
hegyi@27
|
426 |
break;
|
hegyi@27
|
427 |
case GDK_BUTTON_RELEASE:
|
hegyi@27
|
428 |
isbutton=0;
|
hegyi@27
|
429 |
//we clear settings in two cases
|
hegyi@27
|
430 |
//1: the edge is ready (target_item has valid value)
|
hegyi@27
|
431 |
//2: the edge creation is cancelled with right button
|
hegyi@27
|
432 |
if((target_item)||(e->button.button==3))
|
ladanyi@63
|
433 |
{
|
ladanyi@63
|
434 |
if(active_item)
|
ladanyi@63
|
435 |
{
|
ladanyi@63
|
436 |
*active_item << Gnome::Canvas::Properties::fill_color("blue");
|
ladanyi@63
|
437 |
active_item=NULL;
|
ladanyi@63
|
438 |
}
|
ladanyi@63
|
439 |
if(target_item)
|
ladanyi@63
|
440 |
{
|
ladanyi@63
|
441 |
*target_item << Gnome::Canvas::Properties::fill_color("blue");
|
ladanyi@63
|
442 |
target_item=NULL;
|
ladanyi@63
|
443 |
}
|
ladanyi@63
|
444 |
active_node=INVALID;
|
ladanyi@63
|
445 |
active_edge=INVALID;
|
ladanyi@63
|
446 |
}
|
hegyi@27
|
447 |
break;
|
hegyi@27
|
448 |
default:
|
hegyi@27
|
449 |
break;
|
ladanyi@63
|
450 |
}
|
hegyi@27
|
451 |
return false;
|
hegyi@27
|
452 |
}
|
hegyi@27
|
453 |
|
hegyi@30
|
454 |
bool GraphDisplayerCanvas::eraserEventHandler(GdkEvent* e)
|
hegyi@27
|
455 |
{
|
hegyi@27
|
456 |
switch(e->type)
|
hegyi@27
|
457 |
{
|
hegyi@27
|
458 |
case GDK_BUTTON_PRESS:
|
hegyi@43
|
459 |
//finding the clicked items
|
hegyi@31
|
460 |
window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
|
hegyi@31
|
461 |
active_item=(get_item_at(clicked_x, clicked_y));
|
hegyi@27
|
462 |
active_node=INVALID;
|
hegyi@27
|
463 |
active_edge=INVALID;
|
hegyi@43
|
464 |
//was it a node?
|
hegyi@96
|
465 |
for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i)
|
hegyi@27
|
466 |
{
|
hegyi@27
|
467 |
if(nodesmap[i]==active_item)
|
hegyi@27
|
468 |
{
|
hegyi@27
|
469 |
active_node=i;
|
hegyi@27
|
470 |
}
|
hegyi@27
|
471 |
}
|
hegyi@43
|
472 |
//or was it an edge?
|
hegyi@27
|
473 |
if(active_node==INVALID)
|
hegyi@27
|
474 |
{
|
hegyi@96
|
475 |
for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i)
|
hegyi@27
|
476 |
{
|
ladanyi@153
|
477 |
if(edgesmap[i]->getLine()==active_item)
|
hegyi@27
|
478 |
{
|
hegyi@27
|
479 |
active_edge=i;
|
hegyi@27
|
480 |
}
|
hegyi@27
|
481 |
}
|
hegyi@27
|
482 |
}
|
hegyi@43
|
483 |
|
ladanyi@129
|
484 |
// return if the clicked object is neither an edge nor a node
|
ladanyi@129
|
485 |
if (active_edge == INVALID) return false;
|
ladanyi@129
|
486 |
|
hegyi@43
|
487 |
//recolor activated item
|
hegyi@31
|
488 |
if(active_item)
|
hegyi@31
|
489 |
{
|
hegyi@31
|
490 |
*active_item << Gnome::Canvas::Properties::fill_color("red");
|
hegyi@31
|
491 |
}
|
hegyi@27
|
492 |
break;
|
hegyi@27
|
493 |
|
hegyi@27
|
494 |
case GDK_BUTTON_RELEASE:
|
hegyi@31
|
495 |
window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
|
hegyi@31
|
496 |
if(active_item)
|
hegyi@27
|
497 |
{
|
hegyi@43
|
498 |
//the cursor was not moved since pressing it
|
hegyi@31
|
499 |
if( active_item == ( get_item_at (clicked_x, clicked_y) ) )
|
hegyi@27
|
500 |
{
|
hegyi@43
|
501 |
//a node was found
|
hegyi@31
|
502 |
if(active_node!=INVALID)
|
hegyi@31
|
503 |
{
|
hegyi@96
|
504 |
(mytab.mapstorage).modified = true;
|
hegyi@27
|
505 |
|
hegyi@31
|
506 |
std::set<Graph::Edge> edges_to_delete;
|
hegyi@27
|
507 |
|
hegyi@96
|
508 |
for(OutEdgeIt e((mytab.mapstorage).graph,active_node);e!=INVALID;++e)
|
hegyi@31
|
509 |
{
|
hegyi@31
|
510 |
edges_to_delete.insert(e);
|
hegyi@31
|
511 |
}
|
alpar@69
|
512 |
|
hegyi@96
|
513 |
for(InEdgeIt e((mytab.mapstorage).graph,active_node);e!=INVALID;++e)
|
hegyi@31
|
514 |
{
|
hegyi@31
|
515 |
edges_to_delete.insert(e);
|
hegyi@31
|
516 |
}
|
alpar@69
|
517 |
|
hegyi@31
|
518 |
//deleting collected edges
|
alpar@69
|
519 |
for(std::set<Graph::Edge>::iterator
|
alpar@69
|
520 |
edge_set_it=edges_to_delete.begin();
|
alpar@69
|
521 |
edge_set_it!=edges_to_delete.end();
|
alpar@69
|
522 |
++edge_set_it)
|
hegyi@31
|
523 |
{
|
hegyi@31
|
524 |
deleteItem(*edge_set_it);
|
hegyi@31
|
525 |
}
|
hegyi@31
|
526 |
deleteItem(active_node);
|
hegyi@31
|
527 |
}
|
hegyi@31
|
528 |
//a simple edge was chosen
|
ladanyi@129
|
529 |
else if (active_edge != INVALID)
|
hegyi@27
|
530 |
{
|
hegyi@31
|
531 |
deleteItem(active_edge);
|
hegyi@27
|
532 |
}
|
hegyi@27
|
533 |
}
|
hegyi@31
|
534 |
//pointer was moved, deletion is cancelled
|
hegyi@27
|
535 |
else
|
hegyi@27
|
536 |
{
|
hegyi@31
|
537 |
if(active_node!=INVALID)
|
hegyi@31
|
538 |
{
|
hegyi@31
|
539 |
*active_item << Gnome::Canvas::Properties::fill_color("blue");
|
hegyi@31
|
540 |
}
|
ladanyi@129
|
541 |
else if (active_edge != INVALID)
|
hegyi@31
|
542 |
{
|
hegyi@31
|
543 |
*active_item << Gnome::Canvas::Properties::fill_color("green");
|
hegyi@31
|
544 |
}
|
hegyi@27
|
545 |
}
|
hegyi@27
|
546 |
}
|
hegyi@27
|
547 |
//reseting datas
|
hegyi@27
|
548 |
active_item=NULL;
|
hegyi@27
|
549 |
active_edge=INVALID;
|
hegyi@27
|
550 |
active_node=INVALID;
|
hegyi@27
|
551 |
break;
|
hegyi@27
|
552 |
|
hegyi@27
|
553 |
case GDK_MOTION_NOTIFY:
|
hegyi@27
|
554 |
break;
|
hegyi@27
|
555 |
|
hegyi@27
|
556 |
default:
|
hegyi@27
|
557 |
break;
|
hegyi@27
|
558 |
}
|
hegyi@31
|
559 |
return false;
|
hegyi@27
|
560 |
}
|
hegyi@27
|
561 |
|
hegyi@149
|
562 |
bool GraphDisplayerCanvas::mapEditEventHandler(GdkEvent* e)
|
hegyi@32
|
563 |
{
|
hegyi@149
|
564 |
if(actual_tool==MAP_EDIT)
|
hegyi@32
|
565 |
{
|
hegyi@149
|
566 |
switch(e->type)
|
hegyi@149
|
567 |
{
|
hegyi@149
|
568 |
case GDK_BUTTON_PRESS:
|
hegyi@149
|
569 |
{
|
hegyi@149
|
570 |
//for determine, whether it was an edge
|
hegyi@149
|
571 |
Edge clicked_edge=INVALID;
|
hegyi@149
|
572 |
//for determine, whether it was a node
|
hegyi@149
|
573 |
Node clicked_node=INVALID;
|
hegyi@43
|
574 |
|
hegyi@149
|
575 |
window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
|
hegyi@149
|
576 |
active_item=(get_item_at(clicked_x, clicked_y));
|
hegyi@48
|
577 |
|
hegyi@149
|
578 |
//find the activated item between text of nodes
|
hegyi@149
|
579 |
for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i)
|
hegyi@149
|
580 |
{
|
hegyi@149
|
581 |
//at the same time only one can be active
|
hegyi@149
|
582 |
if(nodetextmap[i]==active_item)
|
hegyi@149
|
583 |
{
|
hegyi@149
|
584 |
clicked_node=i;
|
hegyi@149
|
585 |
}
|
hegyi@149
|
586 |
}
|
ladanyi@65
|
587 |
|
hegyi@149
|
588 |
//if there was not, search for it between nodes
|
hegyi@149
|
589 |
if(clicked_node==INVALID)
|
hegyi@149
|
590 |
{
|
hegyi@149
|
591 |
for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i)
|
hegyi@149
|
592 |
{
|
hegyi@149
|
593 |
//at the same time only one can be active
|
hegyi@149
|
594 |
if(nodesmap[i]==active_item)
|
hegyi@149
|
595 |
{
|
hegyi@149
|
596 |
clicked_node=i;
|
hegyi@149
|
597 |
}
|
hegyi@149
|
598 |
}
|
hegyi@149
|
599 |
}
|
hegyi@48
|
600 |
|
hegyi@149
|
601 |
if(clicked_node==INVALID)
|
hegyi@149
|
602 |
{
|
hegyi@149
|
603 |
//find the activated item between texts
|
hegyi@149
|
604 |
for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i)
|
hegyi@149
|
605 |
{
|
hegyi@149
|
606 |
//at the same time only one can be active
|
hegyi@149
|
607 |
if(edgetextmap[i]==active_item)
|
hegyi@149
|
608 |
{
|
hegyi@149
|
609 |
clicked_edge=i;
|
hegyi@149
|
610 |
}
|
hegyi@149
|
611 |
}
|
hegyi@48
|
612 |
|
hegyi@149
|
613 |
//if it was not between texts, search for it between edges
|
hegyi@149
|
614 |
if(clicked_edge==INVALID)
|
hegyi@149
|
615 |
{
|
hegyi@149
|
616 |
for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i)
|
hegyi@149
|
617 |
{
|
hegyi@149
|
618 |
//at the same time only one can be active
|
hegyi@149
|
619 |
if((edgesmap[i]->getLine())==active_item)
|
hegyi@149
|
620 |
{
|
hegyi@149
|
621 |
clicked_edge=i;
|
hegyi@149
|
622 |
}
|
hegyi@149
|
623 |
}
|
hegyi@149
|
624 |
}
|
hegyi@149
|
625 |
}
|
hegyi@149
|
626 |
|
hegyi@149
|
627 |
//if it was really a node...
|
hegyi@149
|
628 |
if(clicked_node!=INVALID)
|
hegyi@149
|
629 |
{
|
hegyi@149
|
630 |
// the id map is not editable
|
hegyi@149
|
631 |
if (nodemap_to_edit == "label") return 0;
|
hegyi@149
|
632 |
|
hegyi@149
|
633 |
//and there is activated map
|
hegyi@149
|
634 |
if(nodetextmap[clicked_node]->property_text().get_value()!="")
|
hegyi@149
|
635 |
{
|
hegyi@149
|
636 |
//activate the general variable for it
|
hegyi@149
|
637 |
active_node=clicked_node;
|
hegyi@149
|
638 |
|
hegyi@149
|
639 |
//create a dialog
|
hegyi@149
|
640 |
Gtk::Dialog dialog("Edit value", true);
|
hegyi@149
|
641 |
dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
|
hegyi@149
|
642 |
dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_ACCEPT);
|
hegyi@149
|
643 |
Gtk::VBox* vbox = dialog.get_vbox();
|
hegyi@149
|
644 |
Gtk::SpinButton spin(0.0, 4);
|
hegyi@149
|
645 |
spin.set_increments(1.0, 10.0);
|
hegyi@149
|
646 |
spin.set_range(-1000000.0, 1000000.0);
|
hegyi@149
|
647 |
spin.set_numeric(true);
|
hegyi@149
|
648 |
spin.set_value(atof(nodetextmap[active_node]->property_text().get_value().c_str()));
|
hegyi@149
|
649 |
vbox->add(spin);
|
hegyi@149
|
650 |
spin.show();
|
hegyi@149
|
651 |
switch (dialog.run())
|
hegyi@149
|
652 |
{
|
hegyi@149
|
653 |
case Gtk::RESPONSE_NONE:
|
hegyi@149
|
654 |
case Gtk::RESPONSE_CANCEL:
|
hegyi@149
|
655 |
break;
|
hegyi@149
|
656 |
case Gtk::RESPONSE_ACCEPT:
|
hegyi@149
|
657 |
double new_value = spin.get_value();
|
hegyi@149
|
658 |
(*(mytab.mapstorage).nodemap_storage[nodemap_to_edit])[active_node] =
|
hegyi@149
|
659 |
new_value;
|
hegyi@149
|
660 |
std::ostringstream ostr;
|
hegyi@149
|
661 |
ostr << new_value;
|
hegyi@149
|
662 |
nodetextmap[active_node]->property_text().set_value(ostr.str());
|
hegyi@149
|
663 |
//mapwin.updateNode(active_node);
|
hegyi@149
|
664 |
//mapwin.updateNode(Node(INVALID));
|
hegyi@149
|
665 |
propertyUpdate(Node(INVALID));
|
hegyi@149
|
666 |
}
|
hegyi@149
|
667 |
}
|
hegyi@149
|
668 |
}
|
hegyi@149
|
669 |
else
|
hegyi@149
|
670 |
//if it was really an edge...
|
hegyi@149
|
671 |
if(clicked_edge!=INVALID)
|
hegyi@149
|
672 |
{
|
hegyi@149
|
673 |
// the id map is not editable
|
hegyi@149
|
674 |
if (edgemap_to_edit == "label") return 0;
|
hegyi@149
|
675 |
|
hegyi@149
|
676 |
//and there is activated map
|
hegyi@149
|
677 |
if(edgetextmap[clicked_edge]->property_text().get_value()!="")
|
hegyi@149
|
678 |
{
|
hegyi@149
|
679 |
//activate the general variable for it
|
hegyi@149
|
680 |
active_edge=clicked_edge;
|
hegyi@149
|
681 |
|
hegyi@149
|
682 |
//create a dialog
|
hegyi@149
|
683 |
Gtk::Dialog dialog("Edit value", true);
|
hegyi@149
|
684 |
dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
|
hegyi@149
|
685 |
dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_ACCEPT);
|
hegyi@149
|
686 |
Gtk::VBox* vbox = dialog.get_vbox();
|
hegyi@149
|
687 |
Gtk::SpinButton spin(0.0, 4);
|
hegyi@149
|
688 |
spin.set_increments(1.0, 10.0);
|
hegyi@149
|
689 |
spin.set_range(-1000000.0, 1000000.0);
|
hegyi@149
|
690 |
spin.set_numeric(true);
|
hegyi@149
|
691 |
spin.set_value(atof(edgetextmap[active_edge]->property_text().get_value().c_str()));
|
hegyi@149
|
692 |
vbox->add(spin);
|
hegyi@149
|
693 |
spin.show();
|
hegyi@149
|
694 |
switch (dialog.run())
|
hegyi@149
|
695 |
{
|
hegyi@149
|
696 |
case Gtk::RESPONSE_NONE:
|
hegyi@149
|
697 |
case Gtk::RESPONSE_CANCEL:
|
hegyi@149
|
698 |
break;
|
hegyi@149
|
699 |
case Gtk::RESPONSE_ACCEPT:
|
hegyi@149
|
700 |
double new_value = spin.get_value();
|
hegyi@149
|
701 |
(*(mytab.mapstorage).edgemap_storage[edgemap_to_edit])[active_edge] =
|
hegyi@149
|
702 |
new_value;
|
hegyi@149
|
703 |
std::ostringstream ostr;
|
hegyi@149
|
704 |
ostr << new_value;
|
hegyi@149
|
705 |
edgetextmap[active_edge]->property_text().set_value(
|
hegyi@149
|
706 |
ostr.str());
|
hegyi@149
|
707 |
//mapwin.updateEdge(active_edge);
|
hegyi@149
|
708 |
// mapwin.updateEdge(Edge(INVALID));
|
hegyi@149
|
709 |
propertyUpdate(Edge(INVALID));
|
hegyi@149
|
710 |
}
|
hegyi@149
|
711 |
}
|
hegyi@149
|
712 |
}
|
hegyi@149
|
713 |
break;
|
hegyi@149
|
714 |
}
|
hegyi@149
|
715 |
default:
|
hegyi@149
|
716 |
break;
|
hegyi@149
|
717 |
}
|
hegyi@32
|
718 |
}
|
hegyi@35
|
719 |
return false;
|
hegyi@32
|
720 |
}
|
hegyi@32
|
721 |
|
alpar@62
|
722 |
void GraphDisplayerCanvas::deleteItem(Node node_to_delete)
|
hegyi@27
|
723 |
{
|
hegyi@28
|
724 |
delete(nodetextmap[node_to_delete]);
|
hegyi@27
|
725 |
delete(nodesmap[node_to_delete]);
|
hegyi@96
|
726 |
(mytab.mapstorage).graph.erase(node_to_delete);
|
hegyi@27
|
727 |
}
|
hegyi@27
|
728 |
|
alpar@62
|
729 |
void GraphDisplayerCanvas::deleteItem(Edge edge_to_delete)
|
hegyi@27
|
730 |
{
|
hegyi@28
|
731 |
delete(edgetextmap[edge_to_delete]);
|
hegyi@27
|
732 |
delete(edgesmap[edge_to_delete]);
|
hegyi@96
|
733 |
(mytab.mapstorage).graph.erase(edge_to_delete);
|
hegyi@27
|
734 |
}
|
hegyi@27
|
735 |
|
hegyi@150
|
736 |
void GraphDisplayerCanvas::textReposition(XY new_place)
|
hegyi@27
|
737 |
{
|
hegyi@150
|
738 |
new_place+=(XY(10,10));
|
hegyi@35
|
739 |
edgetextmap[forming_edge]->property_x().set_value(new_place.x);
|
hegyi@35
|
740 |
edgetextmap[forming_edge]->property_y().set_value(new_place.y);
|
hegyi@27
|
741 |
}
|
hegyi@27
|
742 |
|
ladanyi@147
|
743 |
void GraphDisplayerCanvas::toggleEdgeActivity(EdgeBase* active_bre, bool on)
|
hegyi@27
|
744 |
{
|
hegyi@27
|
745 |
if(on)
|
ladanyi@147
|
746 |
{
|
ladanyi@147
|
747 |
if(forming_edge!=INVALID)
|
hegyi@27
|
748 |
{
|
ladanyi@147
|
749 |
std::cerr << "ERROR!!!! Valid edge found!" << std::endl;
|
hegyi@27
|
750 |
}
|
ladanyi@147
|
751 |
else
|
ladanyi@147
|
752 |
{
|
ladanyi@147
|
753 |
for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i)
|
ladanyi@147
|
754 |
{
|
ladanyi@147
|
755 |
if(edgesmap[i]==active_bre)
|
ladanyi@147
|
756 |
{
|
ladanyi@147
|
757 |
forming_edge=i;
|
ladanyi@147
|
758 |
}
|
ladanyi@147
|
759 |
}
|
ladanyi@147
|
760 |
}
|
ladanyi@147
|
761 |
}
|
hegyi@27
|
762 |
else
|
hegyi@27
|
763 |
{
|
hegyi@160
|
764 |
if(forming_edge!=INVALID)
|
hegyi@160
|
765 |
{
|
hegyi@160
|
766 |
forming_edge=INVALID;
|
hegyi@160
|
767 |
}
|
hegyi@160
|
768 |
else
|
hegyi@160
|
769 |
{
|
hegyi@160
|
770 |
std::cerr << "ERROR!!!! Invalid edge found!" << std::endl;
|
hegyi@160
|
771 |
}
|
hegyi@27
|
772 |
}
|
hegyi@160
|
773 |
}
|
hegyi@160
|
774 |
|
hegyi@160
|
775 |
void GraphDisplayerCanvas::moveNode(double dx, double dy, Gnome::Canvas::Item * item, Node node)
|
hegyi@160
|
776 |
{
|
hegyi@160
|
777 |
Gnome::Canvas::Item * moved_item=item;
|
hegyi@160
|
778 |
Node moved_node=node;
|
hegyi@160
|
779 |
|
hegyi@160
|
780 |
if(item==NULL && node==INVALID)
|
ladanyi@147
|
781 |
{
|
hegyi@160
|
782 |
moved_item=active_item;
|
hegyi@160
|
783 |
moved_node=active_node;
|
ladanyi@147
|
784 |
}
|
hegyi@160
|
785 |
else
|
hegyi@160
|
786 |
{
|
hegyi@160
|
787 |
isbutton=1;
|
hegyi@160
|
788 |
}
|
hegyi@160
|
789 |
|
hegyi@160
|
790 |
//repositioning node and its text
|
hegyi@160
|
791 |
moved_item->move(dx, dy);
|
hegyi@160
|
792 |
nodetextmap[moved_node]->move(dx, dy);
|
hegyi@160
|
793 |
|
hegyi@160
|
794 |
// the new coordinates of the centre of the node
|
hegyi@160
|
795 |
double coord_x = dx + (mytab.mapstorage).coords[moved_node].x;
|
hegyi@160
|
796 |
double coord_y = dy + (mytab.mapstorage).coords[moved_node].y;
|
hegyi@160
|
797 |
|
hegyi@160
|
798 |
// write back the new coordinates to the coords map
|
hegyi@160
|
799 |
(mytab.mapstorage).coords.set(moved_node, XY(coord_x, coord_y));
|
hegyi@160
|
800 |
|
hegyi@160
|
801 |
//all the edges connected to the moved point has to be redrawn
|
hegyi@160
|
802 |
for(OutEdgeIt ei((mytab.mapstorage).graph,moved_node);ei!=INVALID;++ei)
|
hegyi@160
|
803 |
{
|
hegyi@160
|
804 |
XY arrow_pos;
|
hegyi@160
|
805 |
|
hegyi@160
|
806 |
if (mytab.mapstorage.graph.source(ei) == mytab.mapstorage.graph.target(ei))
|
hegyi@160
|
807 |
{
|
hegyi@160
|
808 |
arrow_pos = mytab.mapstorage.arrow_pos[ei] + XY(dx, dy);
|
hegyi@160
|
809 |
}
|
hegyi@160
|
810 |
else
|
hegyi@160
|
811 |
{
|
hegyi@160
|
812 |
XY moved_node_1(coord_x - dx, coord_y - dy);
|
hegyi@160
|
813 |
XY moved_node_2(coord_x, coord_y);
|
hegyi@160
|
814 |
Node target = mytab.mapstorage.graph.target(ei);
|
hegyi@160
|
815 |
XY fix_node(mytab.mapstorage.coords[target].x,
|
hegyi@160
|
816 |
mytab.mapstorage.coords[target].y);
|
hegyi@160
|
817 |
XY old_arrow_pos(mytab.mapstorage.arrow_pos[ei]);
|
hegyi@160
|
818 |
|
hegyi@160
|
819 |
arrow_pos = calcArrowPos(moved_node_1, moved_node_2, fix_node, old_arrow_pos, isbutton);
|
hegyi@160
|
820 |
}
|
hegyi@160
|
821 |
|
hegyi@160
|
822 |
mytab.mapstorage.arrow_pos.set(ei, arrow_pos);
|
hegyi@160
|
823 |
edgesmap[ei]->draw();
|
hegyi@160
|
824 |
|
hegyi@160
|
825 |
//reposition of edgetext
|
hegyi@160
|
826 |
XY text_pos=mytab.mapstorage.arrow_pos[ei];
|
hegyi@160
|
827 |
text_pos+=(XY(10,10));
|
hegyi@160
|
828 |
edgetextmap[ei]->property_x().set_value(text_pos.x);
|
hegyi@160
|
829 |
edgetextmap[ei]->property_y().set_value(text_pos.y);
|
hegyi@160
|
830 |
}
|
hegyi@160
|
831 |
|
hegyi@160
|
832 |
for(InEdgeIt ei((mytab.mapstorage).graph,moved_node);ei!=INVALID;++ei)
|
hegyi@160
|
833 |
{
|
hegyi@160
|
834 |
if (mytab.mapstorage.graph.source(ei) != mytab.mapstorage.graph.target(ei))
|
hegyi@160
|
835 |
{
|
hegyi@160
|
836 |
XY moved_node_1(coord_x - dx, coord_y - dy);
|
hegyi@160
|
837 |
XY moved_node_2(coord_x, coord_y);
|
hegyi@160
|
838 |
Node source = mytab.mapstorage.graph.source(ei);
|
hegyi@160
|
839 |
XY fix_node(mytab.mapstorage.coords[source].x,
|
hegyi@160
|
840 |
mytab.mapstorage.coords[source].y);
|
hegyi@160
|
841 |
XY old_arrow_pos(mytab.mapstorage.arrow_pos[ei]);
|
hegyi@160
|
842 |
|
hegyi@160
|
843 |
XY arrow_pos;
|
hegyi@160
|
844 |
arrow_pos = calcArrowPos(moved_node_1, moved_node_2, fix_node, old_arrow_pos, isbutton);
|
hegyi@160
|
845 |
|
hegyi@160
|
846 |
mytab.mapstorage.arrow_pos.set(ei, arrow_pos);
|
hegyi@160
|
847 |
edgesmap[ei]->draw();
|
hegyi@160
|
848 |
|
hegyi@160
|
849 |
//reposition of edgetext
|
hegyi@160
|
850 |
XY text_pos=mytab.mapstorage.arrow_pos[ei];
|
hegyi@160
|
851 |
text_pos+=(XY(10,10));
|
hegyi@160
|
852 |
edgetextmap[ei]->property_x().set_value(text_pos.x);
|
hegyi@160
|
853 |
edgetextmap[ei]->property_y().set_value(text_pos.y);
|
hegyi@160
|
854 |
}
|
hegyi@160
|
855 |
}
|
hegyi@27
|
856 |
}
|