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   9 <a class="el" href="namespaceqan.html">qan</a>::<a class="el" href="namespaceqan_1_1can.html">can</a>::<a class="el" href="classqan_1_1can_1_1_canvas.html">Canvas</a></div>
  10 <h1>qan::can::Canvas Class Reference</h1><!-- doxytag: class=<qan::can::Canvas> -->Display graphical items associed to structured objects as well as their relations.
  11 <a href="#_details">More...</a>
  12 <p>
  13 <code>#include &lt;canCanvas.h&gt;</code>
  14 <p>
  15 Collaboration diagram for qan::can::Canvas:<p><center><img src="classqan_1_1can_1_1_canvas__coll__graph.png" border="0" usemap="#qan_1_1can_1_1_canvas__coll__map" alt="Collaboration graph"></center>
  16 <map name="qan_1_1can_1_1_canvas__coll__map">
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  23 </map>
  24 <center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="classqan_1_1can_1_1_canvas-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
  25 <tr><td></td></tr>
  26 <tr><td colspan="2"><br><h2>Item Management</h2></td></tr>
  27 <tr><td class="memItemLeft" nowrap align="right" valign="top">typedef std::vector&lt; <a class="el" href="classqan_1_1can_1_1_item.html">Item</a> * &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_0">Items</a></td></tr>
  28
  29 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">STL container for relations elements.  <a href="#z7_0"></a><br></td></tr>
  30 <tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_1">addItem</a> (<a class="el" href="classqan_1_1can_1_1_item.html">Item</a> &amp;item)</td></tr>
  31
  32 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Add a relation element to this canvas.  <a href="#z7_1"></a><br></td></tr>
  33 <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_0">Items</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_2">getItems</a> ()</td></tr>
  34
  35 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get this canvas items.  <a href="#z7_2"></a><br></td></tr>
  36 <tr><td class="memItemLeft" nowrap align="right" valign="top">bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_3">isFreed</a> (void *item)</td></tr>
  37
  38 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Test if an item is freezed (ie. can't be moved).  <a href="#z7_3"></a><br></td></tr>
  39 <tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_4">setFreezed</a> (void *item)</td></tr>
  40
  41 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Freeze a specific canvas item (the item can't be moved after having been freed).  <a href="#z7_4"></a><br></td></tr>
  42 <tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_5">setGraphView</a> (<a class="el" href="classqan_1_1can_1_1_graph_view.html">GraphView</a> *view)</td></tr>
  43
  44 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"> <a href="#z7_5"></a><br></td></tr>
  45 <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classqan_1_1can_1_1_graph_view.html">GraphView</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_6">getGraphView</a> ()</td></tr>
  46
  47 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"> <a href="#z7_6"></a><br></td></tr>
  48 <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classqan_1_1can_1_1_adv_style_1_1_manager.html">AdvStyle::Manager</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_7">getStyleManager</a> ()</td></tr>
  49
  50 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the canvas style manager (a style is eventually associed to each canvas item).  <a href="#z7_7"></a><br></td></tr>
  51 <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classqan_1_1can_1_1_image_manager.html">ImageManager</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_8">getImageManager</a> ()</td></tr>
  52
  53 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the QT image manager.  <a href="#z7_8"></a><br></td></tr>
  54 <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classqan_1_1can_1_1_grid.html">can::Grid</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_9">getGrid</a> ()</td></tr>
  55
  56 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the canvas grid.  <a href="#z7_9"></a><br></td></tr>
  57 <tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_10">canvasResized</a> ()</td></tr>
  58
  59 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Called when the canvas is resized (connected to QCanvas resized() slot).  <a href="#z7_10"></a><br></td></tr>
  60 <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_0">Items</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_11">_items</a></td></tr>
  61
  62 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">List of relation items present on the canvas.  <a href="#z7_11"></a><br></td></tr>
  63 <tr><td class="memItemLeft" nowrap align="right" valign="top">std::set&lt; void * &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_12">_freezed</a></td></tr>
  64
  65 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">STL set to store freezed items.  <a href="#z7_12"></a><br></td></tr>
  66 <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classqan_1_1can_1_1_graph_view.html">GraphView</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_13">_view</a></td></tr>
  67
  68 <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classqan_1_1can_1_1_adv_style_1_1_manager.html">AdvStyle::Manager</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_14">_styleManager</a></td></tr>
  69
  70 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Style manager.  <a href="#z7_14"></a><br></td></tr>
  71 <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classqan_1_1can_1_1_image_manager.html">ImageManager</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_15">_imageManager</a></td></tr>
  72
  73 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Manage QT image needed by canvas graphical elements.  <a href="#z7_15"></a><br></td></tr>
  74 <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classqan_1_1can_1_1_grid.html">can::Grid</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_16">_grid</a></td></tr>
  75
  76 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><a class="el" href="classqan_1_1can_1_1_canvas.html">Canvas</a> grid.  <a href="#z7_16"></a><br></td></tr>
  77 <tr><td colspan="2"><br><h2>Canvas Constructor/Destructor</h2></td></tr>
  78 <tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classqan_1_1can_1_1_canvas.html#z6_0">Canvas</a> (int w, int h, QColor backColor=QColor(255, 255, 255))</td></tr>
  79
  80 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><a class="el" href="classqan_1_1can_1_1_canvas.html">Canvas</a> constructor with size initialization.  <a href="#z6_0"></a><br></td></tr>
  81 </table>
  82 <hr><a name="_details"></a><h2>Detailed Description</h2>
  83 Display graphical items associed to structured objects as well as their relations.
  84 <p>
  85 <a class="el" href="classqan_1_1can_1_1_canvas.html">Canvas</a> is feed by a Positionner object that manage the association between Node elements and canvas graphical <a class="el" href="classqan_1_1can_1_1_item.html">Item</a> objects.<br>
  86 <p>
  87 Items' appearence can be changed by attaching styles (<a class="el" href="classqan_1_1can_1_1_adv_style.html">AdvStyle</a> objects) to a specific item trought the Style::Manager returned by the <a class="el" href="classqan_1_1can_1_1_canvas.html#z7_7">getStyleManager()</a> method.<br>
  88 <p>
  89 <div align="center">
  90 <img src="./images/qanavatestshot.png" alt="qanavatestshot.png">
  91 </div>
  92 <p>
  93 Exemple use of a <a class="el" href="classqan_1_1can_1_1_canvas.html">Canvas</a> to display a simple graph of two nodes: <div class="fragment"><pre class="fragment"><span class="comment">// Create a canvas and its view</span>
  94 can::Canvas* canvas = <span class="keyword">new</span> can::Canvas( 300, 150 );
  95 can::Editor* editor = <span class="keyword">new</span> can::Editor( *canvas, _frame, <span class="stringliteral">""</span> );
  96 connect( canvas, SIGNAL(resized()), editor, SLOT(resize()) );
  97
  98 <span class="comment">// Create a simple graph</span>
  99 la::Graph* graph = <span class="keyword">new</span> la::Graph( );
 100 la::Node&amp; na = *<span class="keyword">new</span> la::Node( <span class="stringliteral">"Node A"</span> );
 101 graph-&gt;registerNode( na );
 102 la::Node&amp; nb = *<span class="keyword">new</span> la::Node( <span class="stringliteral">"Node B"</span> );
 103 graph-&gt;registerNode( nb );
 104 graph-&gt;createEdge( na, nb );
 105
 106 <span class="comment">// Create graphic items on the canvas to display the graph</span>
 107 can::AdvStyle::Manager styleManager;  <span class="comment">// Don't specify styles</span>
 108 can::GraphPositionner* positionner = <span class="keyword">new</span> can::GraphPositionner( *_canvas, *graph );
 109 positionner-&gt;feed( styleManager );
 110
 111 <span class="comment">// Create the grid and feed the canvas with the graph nodes associed items</span>
 112 can::Grid* grid = <span class="keyword">new</span> can::Grid( *canvas);
 113 la::Layout* layout = <span class="keyword">new</span> la::Random( *grid );
 114 layout-&gt;layout( *graph, canvas-&gt;width( ), canvas-&gt;height( ), ltm::utl::ProgressVoid( ) );
 115 positionner-&gt;show( );
 116 positionner-&gt;update( );
 117 </pre></div><p>
 118 <dl compact><dt><b>See also:</b></dt><dd><a class="el" href="classqan_1_1la_1_1_grid.html">la::Grid</a>, <a class="el" href="classqan_1_1can_1_1_grid.html">can::Grid</a>, <a class="el" href="classqan_1_1can_1_1_adv_style_1_1_manager.html">can::AdvStyle::Manager</a> and can::Positionner</dd></dl>
 119
 120 <p>
 121 <hr><h2>Member Typedef Documentation</h2>
 122 <a class="anchor" name="z7_0"></a><!-- doxytag: member=<qan::can::Canvas::Items> ref=<z7_0> args=<> --><p>
 123 <table class="mdTable" cellpadding="2" cellspacing="0">
 124   <tr>
 125     <td class="mdRow">
 126       <table cellpadding="0" cellspacing="0" border="0">
 127         <tr>
 128           <td class="md" nowrap valign="top">typedef std::vector&lt; <a class="el" href="classqan_1_1can_1_1_item.html">Item</a>* &gt; <a class="el" href="classqan_1_1can_1_1_canvas.html#z7_0">qan::can::Canvas::Items</a>          </td>
 129         </tr>
 130       </table>
 131     </td>
 132   </tr>
 133 </table>
 134 <table cellspacing="5" cellpadding="0" border="0">
 135   <tr>
 136     <td>
 137       &nbsp;
 138     </td>
 139     <td>
 140
 141 <p>
 142 STL container for relations elements.
 143 <p>
 144     </td>
 145   </tr>
 146 </table>
 147 <hr><h2>Constructor &amp; Destructor Documentation</h2>
 148 <a class="anchor" name="z6_0"></a><!-- doxytag: member=<qan::can::Canvas::Canvas> ref=<z6_0> args=<(int w, int h, QColor backColor=QColor(255, 255, 255))> --><p>
 149 <table class="mdTable" cellpadding="2" cellspacing="0">
 150   <tr>
 151     <td class="mdRow">
 152       <table cellpadding="0" cellspacing="0" border="0">
 153         <tr>
 154           <td class="md" nowrap valign="top">qan::can::Canvas::Canvas           </td>
 155           <td class="md" valign="top">(&nbsp;</td>
 156           <td class="md" nowrap valign="top">int&nbsp;</td>
 157           <td class="mdname" nowrap> <em>w</em>, </td>
 158         </tr>
 159         <tr>
 160           <td class="md" nowrap align="right"></td>
 161           <td class="md"></td>
 162           <td class="md" nowrap>int&nbsp;</td>
 163           <td class="mdname" nowrap> <em>h</em>, </td>
 164         </tr>
 165         <tr>
 166           <td class="md" nowrap align="right"></td>
 167           <td class="md"></td>
 168           <td class="md" nowrap>QColor&nbsp;</td>
 169           <td class="mdname" nowrap> <em>backColor</em> = <code>QColor(255,&nbsp;255,&nbsp;255)</code></td>
 170         </tr>
 171         <tr>
 172           <td class="md"></td>
 173           <td class="md">)&nbsp;</td>
 174           <td class="md" colspan="2"></td>
 175         </tr>
 176       </table>
 177     </td>
 178   </tr>
 179 </table>
 180 <table cellspacing="5" cellpadding="0" border="0">
 181   <tr>
 182     <td>
 183       &nbsp;
 184     </td>
 185     <td>
 186
 187 <p>
 188 <a class="el" href="classqan_1_1can_1_1_canvas.html">Canvas</a> constructor with size initialization.
 189 <p>
 190     </td>
 191   </tr>
 192 </table>
 193 <hr><h2>Member Function Documentation</h2>
 194 <a class="anchor" name="z7_1"></a><!-- doxytag: member=<qan::can::Canvas::addItem> ref=<z7_1> args=<(Item &amp;item)> --><p>
 195 <table class="mdTable" cellpadding="2" cellspacing="0">
 196   <tr>
 197     <td class="mdRow">
 198       <table cellpadding="0" cellspacing="0" border="0">
 199         <tr>
 200           <td class="md" nowrap valign="top">void qan::can::Canvas::addItem           </td>
 201           <td class="md" valign="top">(&nbsp;</td>
 202           <td class="md" nowrap valign="top"><a class="el" href="classqan_1_1can_1_1_item.html">Item</a> &amp;&nbsp;</td>
 203           <td class="mdname1" valign="top" nowrap> <em>item</em>          </td>
 204           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 205           <td class="md" nowrap></td>
 206         </tr>
 207       </table>
 208     </td>
 209   </tr>
 210 </table>
 211 <table cellspacing="5" cellpadding="0" border="0">
 212   <tr>
 213     <td>
 214       &nbsp;
 215     </td>
 216     <td>
 217
 218 <p>
 219 Add a relation element to this canvas.
 220 <p>
 221     </td>
 222   </tr>
 223 </table>
 224 <a class="anchor" name="z7_10"></a><!-- doxytag: member=<qan::can::Canvas::canvasResized> ref=<z7_10> args=<()> --><p>
 225 <table class="mdTable" cellpadding="2" cellspacing="0">
 226   <tr>
 227     <td class="mdRow">
 228       <table cellpadding="0" cellspacing="0" border="0">
 229         <tr>
 230           <td class="md" nowrap valign="top">void qan::can::Canvas::canvasResized           </td>
 231           <td class="md" valign="top">(&nbsp;</td>
 232           <td class="mdname1" valign="top" nowrap>          </td>
 233           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 234           <td class="md" nowrap><code> [virtual, slot]</code></td>
 235         </tr>
 236       </table>
 237     </td>
 238   </tr>
 239 </table>
 240 <table cellspacing="5" cellpadding="0" border="0">
 241   <tr>
 242     <td>
 243       &nbsp;
 244     </td>
 245     <td>
 246
 247 <p>
 248 Called when the canvas is resized (connected to QCanvas resized() slot).
 249 <p>
 250     </td>
 251   </tr>
 252 </table>
 253 <a class="anchor" name="z7_6"></a><!-- doxytag: member=<qan::can::Canvas::getGraphView> ref=<z7_6> args=<()> --><p>
 254 <table class="mdTable" cellpadding="2" cellspacing="0">
 255   <tr>
 256     <td class="mdRow">
 257       <table cellpadding="0" cellspacing="0" border="0">
 258         <tr>
 259           <td class="md" nowrap valign="top"><a class="el" href="classqan_1_1can_1_1_graph_view.html">GraphView</a>* qan::can::Canvas::getGraphView           </td>
 260           <td class="md" valign="top">(&nbsp;</td>
 261           <td class="mdname1" valign="top" nowrap>          </td>
 262           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 263           <td class="md" nowrap><code> [inline]</code></td>
 264         </tr>
 265       </table>
 266     </td>
 267   </tr>
 268 </table>
 269 <table cellspacing="5" cellpadding="0" border="0">
 270   <tr>
 271     <td>
 272       &nbsp;
 273     </td>
 274     <td>
 275
 276 <p>
 277
 278 <p>
 279     </td>
 280   </tr>
 281 </table>
 282 <a class="anchor" name="z7_9"></a><!-- doxytag: member=<qan::can::Canvas::getGrid> ref=<z7_9> args=<()> --><p>
 283 <table class="mdTable" cellpadding="2" cellspacing="0">
 284   <tr>
 285     <td class="mdRow">
 286       <table cellpadding="0" cellspacing="0" border="0">
 287         <tr>
 288           <td class="md" nowrap valign="top"><a class="el" href="classqan_1_1can_1_1_grid.html">can::Grid</a>&amp; qan::can::Canvas::getGrid           </td>
 289           <td class="md" valign="top">(&nbsp;</td>
 290           <td class="mdname1" valign="top" nowrap>          </td>
 291           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 292           <td class="md" nowrap><code> [inline]</code></td>
 293         </tr>
 294       </table>
 295     </td>
 296   </tr>
 297 </table>
 298 <table cellspacing="5" cellpadding="0" border="0">
 299   <tr>
 300     <td>
 301       &nbsp;
 302     </td>
 303     <td>
 304
 305 <p>
 306 Get the canvas grid.
 307 <p>
 308     </td>
 309   </tr>
 310 </table>
 311 <a class="anchor" name="z7_8"></a><!-- doxytag: member=<qan::can::Canvas::getImageManager> ref=<z7_8> args=<()> --><p>
 312 <table class="mdTable" cellpadding="2" cellspacing="0">
 313   <tr>
 314     <td class="mdRow">
 315       <table cellpadding="0" cellspacing="0" border="0">
 316         <tr>
 317           <td class="md" nowrap valign="top"><a class="el" href="classqan_1_1can_1_1_image_manager.html">ImageManager</a>&amp; qan::can::Canvas::getImageManager           </td>
 318           <td class="md" valign="top">(&nbsp;</td>
 319           <td class="mdname1" valign="top" nowrap>          </td>
 320           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 321           <td class="md" nowrap><code> [inline]</code></td>
 322         </tr>
 323       </table>
 324     </td>
 325   </tr>
 326 </table>
 327 <table cellspacing="5" cellpadding="0" border="0">
 328   <tr>
 329     <td>
 330       &nbsp;
 331     </td>
 332     <td>
 333
 334 <p>
 335 Get the QT image manager.
 336 <p>
 337     </td>
 338   </tr>
 339 </table>
 340 <a class="anchor" name="z7_2"></a><!-- doxytag: member=<qan::can::Canvas::getItems> ref=<z7_2> args=<()> --><p>
 341 <table class="mdTable" cellpadding="2" cellspacing="0">
 342   <tr>
 343     <td class="mdRow">
 344       <table cellpadding="0" cellspacing="0" border="0">
 345         <tr>
 346           <td class="md" nowrap valign="top"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_0">Canvas::Items</a> &amp; qan::can::Canvas::getItems           </td>
 347           <td class="md" valign="top">(&nbsp;</td>
 348           <td class="mdname1" valign="top" nowrap>          </td>
 349           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 350           <td class="md" nowrap></td>
 351         </tr>
 352       </table>
 353     </td>
 354   </tr>
 355 </table>
 356 <table cellspacing="5" cellpadding="0" border="0">
 357   <tr>
 358     <td>
 359       &nbsp;
 360     </td>
 361     <td>
 362
 363 <p>
 364 Get this canvas items.
 365 <p>
 366     </td>
 367   </tr>
 368 </table>
 369 <a class="anchor" name="z7_7"></a><!-- doxytag: member=<qan::can::Canvas::getStyleManager> ref=<z7_7> args=<()> --><p>
 370 <table class="mdTable" cellpadding="2" cellspacing="0">
 371   <tr>
 372     <td class="mdRow">
 373       <table cellpadding="0" cellspacing="0" border="0">
 374         <tr>
 375           <td class="md" nowrap valign="top"><a class="el" href="classqan_1_1can_1_1_adv_style_1_1_manager.html">AdvStyle::Manager</a>&amp; qan::can::Canvas::getStyleManager           </td>
 376           <td class="md" valign="top">(&nbsp;</td>
 377           <td class="mdname1" valign="top" nowrap>          </td>
 378           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 379           <td class="md" nowrap><code> [inline]</code></td>
 380         </tr>
 381       </table>
 382     </td>
 383   </tr>
 384 </table>
 385 <table cellspacing="5" cellpadding="0" border="0">
 386   <tr>
 387     <td>
 388       &nbsp;
 389     </td>
 390     <td>
 391
 392 <p>
 393 Get the canvas style manager (a style is eventually associed to each canvas item).
 394 <p>
 395     </td>
 396   </tr>
 397 </table>
 398 <a class="anchor" name="z7_3"></a><!-- doxytag: member=<qan::can::Canvas::isFreed> ref=<z7_3> args=<(void *item)> --><p>
 399 <table class="mdTable" cellpadding="2" cellspacing="0">
 400   <tr>
 401     <td class="mdRow">
 402       <table cellpadding="0" cellspacing="0" border="0">
 403         <tr>
 404           <td class="md" nowrap valign="top">bool qan::can::Canvas::isFreed           </td>
 405           <td class="md" valign="top">(&nbsp;</td>
 406           <td class="md" nowrap valign="top">void *&nbsp;</td>
 407           <td class="mdname1" valign="top" nowrap> <em>item</em>          </td>
 408           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 409           <td class="md" nowrap></td>
 410         </tr>
 411       </table>
 412     </td>
 413   </tr>
 414 </table>
 415 <table cellspacing="5" cellpadding="0" border="0">
 416   <tr>
 417     <td>
 418       &nbsp;
 419     </td>
 420     <td>
 421
 422 <p>
 423 Test if an item is freezed (ie. can't be moved).
 424 <p>
 425     </td>
 426   </tr>
 427 </table>
 428 <a class="anchor" name="z7_4"></a><!-- doxytag: member=<qan::can::Canvas::setFreezed> ref=<z7_4> args=<(void *item)> --><p>
 429 <table class="mdTable" cellpadding="2" cellspacing="0">
 430   <tr>
 431     <td class="mdRow">
 432       <table cellpadding="0" cellspacing="0" border="0">
 433         <tr>
 434           <td class="md" nowrap valign="top">void qan::can::Canvas::setFreezed           </td>
 435           <td class="md" valign="top">(&nbsp;</td>
 436           <td class="md" nowrap valign="top">void *&nbsp;</td>
 437           <td class="mdname1" valign="top" nowrap> <em>item</em>          </td>
 438           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 439           <td class="md" nowrap></td>
 440         </tr>
 441       </table>
 442     </td>
 443   </tr>
 444 </table>
 445 <table cellspacing="5" cellpadding="0" border="0">
 446   <tr>
 447     <td>
 448       &nbsp;
 449     </td>
 450     <td>
 451
 452 <p>
 453 Freeze a specific canvas item (the item can't be moved after having been freed).
 454 <p>
 455     </td>
 456   </tr>
 457 </table>
 458 <a class="anchor" name="z7_5"></a><!-- doxytag: member=<qan::can::Canvas::setGraphView> ref=<z7_5> args=<(GraphView *view)> --><p>
 459 <table class="mdTable" cellpadding="2" cellspacing="0">
 460   <tr>
 461     <td class="mdRow">
 462       <table cellpadding="0" cellspacing="0" border="0">
 463         <tr>
 464           <td class="md" nowrap valign="top">void qan::can::Canvas::setGraphView           </td>
 465           <td class="md" valign="top">(&nbsp;</td>
 466           <td class="md" nowrap valign="top"><a class="el" href="classqan_1_1can_1_1_graph_view.html">GraphView</a> *&nbsp;</td>
 467           <td class="mdname1" valign="top" nowrap> <em>view</em>          </td>
 468           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 469           <td class="md" nowrap><code> [inline]</code></td>
 470         </tr>
 471       </table>
 472     </td>
 473   </tr>
 474 </table>
 475 <table cellspacing="5" cellpadding="0" border="0">
 476   <tr>
 477     <td>
 478       &nbsp;
 479     </td>
 480     <td>
 481
 482 <p>
 483
 484 <p>
 485     </td>
 486   </tr>
 487 </table>
 488 <hr><h2>Member Data Documentation</h2>
 489 <a class="anchor" name="z7_12"></a><!-- doxytag: member=<qan::can::Canvas::_freezed> ref=<z7_12> args=<> --><p>
 490 <table class="mdTable" cellpadding="2" cellspacing="0">
 491   <tr>
 492     <td class="mdRow">
 493       <table cellpadding="0" cellspacing="0" border="0">
 494         <tr>
 495           <td class="md" nowrap valign="top">std::set&lt; void* &gt; <a class="el" href="classqan_1_1can_1_1_canvas.html#z7_12">qan::can::Canvas::_freezed</a><code> [private]</code>          </td>
 496         </tr>
 497       </table>
 498     </td>
 499   </tr>
 500 </table>
 501 <table cellspacing="5" cellpadding="0" border="0">
 502   <tr>
 503     <td>
 504       &nbsp;
 505     </td>
 506     <td>
 507
 508 <p>
 509 STL set to store freezed items.
 510 <p>
 511     </td>
 512   </tr>
 513 </table>
 514 <a class="anchor" name="z7_16"></a><!-- doxytag: member=<qan::can::Canvas::_grid> ref=<z7_16> args=<> --><p>
 515 <table class="mdTable" cellpadding="2" cellspacing="0">
 516   <tr>
 517     <td class="mdRow">
 518       <table cellpadding="0" cellspacing="0" border="0">
 519         <tr>
 520           <td class="md" nowrap valign="top"><a class="el" href="classqan_1_1can_1_1_grid.html">can::Grid</a> <a class="el" href="classqan_1_1can_1_1_canvas.html#z7_16">qan::can::Canvas::_grid</a><code> [private]</code>          </td>
 521         </tr>
 522       </table>
 523     </td>
 524   </tr>
 525 </table>
 526 <table cellspacing="5" cellpadding="0" border="0">
 527   <tr>
 528     <td>
 529       &nbsp;
 530     </td>
 531     <td>
 532
 533 <p>
 534 <a class="el" href="classqan_1_1can_1_1_canvas.html">Canvas</a> grid.
 535 <p>
 536     </td>
 537   </tr>
 538 </table>
 539 <a class="anchor" name="z7_15"></a><!-- doxytag: member=<qan::can::Canvas::_imageManager> ref=<z7_15> args=<> --><p>
 540 <table class="mdTable" cellpadding="2" cellspacing="0">
 541   <tr>
 542     <td class="mdRow">
 543       <table cellpadding="0" cellspacing="0" border="0">
 544         <tr>
 545           <td class="md" nowrap valign="top"><a class="el" href="classqan_1_1can_1_1_image_manager.html">ImageManager</a> <a class="el" href="classqan_1_1can_1_1_canvas.html#z7_15">qan::can::Canvas::_imageManager</a><code> [private]</code>          </td>
 546         </tr>
 547       </table>
 548     </td>
 549   </tr>
 550 </table>
 551 <table cellspacing="5" cellpadding="0" border="0">
 552   <tr>
 553     <td>
 554       &nbsp;
 555     </td>
 556     <td>
 557
 558 <p>
 559 Manage QT image needed by canvas graphical elements.
 560 <p>
 561     </td>
 562   </tr>
 563 </table>
 564 <a class="anchor" name="z7_11"></a><!-- doxytag: member=<qan::can::Canvas::_items> ref=<z7_11> args=<> --><p>
 565 <table class="mdTable" cellpadding="2" cellspacing="0">
 566   <tr>
 567     <td class="mdRow">
 568       <table cellpadding="0" cellspacing="0" border="0">
 569         <tr>
 570           <td class="md" nowrap valign="top"><a class="el" href="classqan_1_1can_1_1_canvas.html#z7_0">Items</a> <a class="el" href="classqan_1_1can_1_1_canvas.html#z7_11">qan::can::Canvas::_items</a><code> [private]</code>          </td>
 571         </tr>
 572       </table>
 573     </td>
 574   </tr>
 575 </table>
 576 <table cellspacing="5" cellpadding="0" border="0">
 577   <tr>
 578     <td>
 579       &nbsp;
 580     </td>
 581     <td>
 582
 583 <p>
 584 List of relation items present on the canvas.
 585 <p>
 586     </td>
 587   </tr>
 588 </table>
 589 <a class="anchor" name="z7_14"></a><!-- doxytag: member=<qan::can::Canvas::_styleManager> ref=<z7_14> args=<> --><p>
 590 <table class="mdTable" cellpadding="2" cellspacing="0">
 591   <tr>
 592     <td class="mdRow">
 593       <table cellpadding="0" cellspacing="0" border="0">
 594         <tr>
 595           <td class="md" nowrap valign="top"><a class="el" href="classqan_1_1can_1_1_adv_style_1_1_manager.html">AdvStyle::Manager</a> <a class="el" href="classqan_1_1can_1_1_canvas.html#z7_14">qan::can::Canvas::_styleManager</a><code> [private]</code>          </td>
 596         </tr>
 597       </table>
 598     </td>
 599   </tr>
 600 </table>
 601 <table cellspacing="5" cellpadding="0" border="0">
 602   <tr>
 603     <td>
 604       &nbsp;
 605     </td>
 606     <td>
 607
 608 <p>
 609 Style manager.
 610 <p>
 611     </td>
 612   </tr>
 613 </table>
 614 <a class="anchor" name="z7_13"></a><!-- doxytag: member=<qan::can::Canvas::_view> ref=<z7_13> args=<> --><p>
 615 <table class="mdTable" cellpadding="2" cellspacing="0">
 616   <tr>
 617     <td class="mdRow">
 618       <table cellpadding="0" cellspacing="0" border="0">
 619         <tr>
 620           <td class="md" nowrap valign="top"><a class="el" href="classqan_1_1can_1_1_graph_view.html">GraphView</a>* <a class="el" href="classqan_1_1can_1_1_canvas.html#z7_13">qan::can::Canvas::_view</a><code> [private]</code>          </td>
 621         </tr>
 622       </table>
 623     </td>
 624   </tr>
 625 </table>
 626 <table cellspacing="5" cellpadding="0" border="0">
 627   <tr>
 628     <td>
 629       &nbsp;
 630     </td>
 631     <td>
 632
 633 <p>
 634     </td>
 635   </tr>
 636 </table>
 637 <hr>The documentation for this class was generated from the following files:<ul>
 638 <li>C:/projects/qanava/src/can/<a class="el" href="can_canvas_8h.html">canCanvas.h</a><li>C:/projects/qanava/src/can/<a class="el" href="can_canvas_8cpp.html">canCanvas.cpp</a></ul>
 639 <p>
 640 <hr style="width: 100%; height: 2px;">
 641 <table width="95%" height="48" border="0"
 642  cellpadding="0" cellspacing="0" style="text-align: left; width: 95%; height: 31px;">
 643   <tbody>
 644     <tr>
 645       <td height="48" style="font-family: Helvetica,Arial,sans-serif;">
 646       <dl>
 647           <dt><a href="http://www.libqanava.org"><font size="2">www.libqanava.org</font></a><font size="2">
 648             Qanava - QCanvas Avanc&eacute;</font></dt>
 649         </dl>
 650       </td>
 651       <td style="vertical-align: middle; text-align: right;"><span
 652  style="font-family: Helvetica,Arial,sans-serif;"><font size="2">Generated by</font></span>
 653         <a
 654  href="http://www.doxygen.org"><img alt="Doxygen logo"
 655  src="../images/doxygen.png"
 656  style="border: 0px solid ; width: 100px; height: 45px;" align="middle"></a></td>
 657     </tr>
 658   </tbody>
 659 </table>
 660