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<div class="title">Item.hpp</div> </div>
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<a href="Item_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* This file is part of FlowCanvas.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2007-2009 David Robillard <http://drobilla.net></span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * FlowCanvas is free software; you can redistribute it and/or modify it under the</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * terms of the GNU General Public License as published by the Free Software</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Foundation; either version 2 of the License, or (at your option) any later</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * version.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * FlowCanvas is distributed in the hope that it will be useful, but WITHOUT ANY</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * You should have received a copy of the GNU General Public License along</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * with this program; if not, write to the Free Software Foundation, Inc.,</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#ifndef FLOWCANVAS_ITEM_HPP</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor"></span><span class="preprocessor">#define FLOWCANVAS_ITEM_HPP</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <algorithm></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <list></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <map></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <string></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <boost/enable_shared_from_this.hpp></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <boost/shared_ptr.hpp></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <libgnomecanvasmm.h></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="Port_8hpp.html">flowcanvas/Port.hpp</a>"</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>FlowCanvas {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">class </span>Canvas;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html"> 42</a></span> <span class="keyword">class </span><a class="code" href="classFlowCanvas_1_1Item.html" title="An item on a Canvas.">Item</a> : <span class="keyword">public</span> Gnome::Canvas::Group</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  , <span class="keyword">public</span> boost::enable_shared_from_this<Item></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="classFlowCanvas_1_1Item.html#af4930b3d9e6b965b78d1f19555e3535b">Item</a>(boost::shared_ptr<Canvas> <a class="code" href="classFlowCanvas_1_1Item.html#a0298abb7a7d9523f34052a7a32f8e160">canvas</a>,</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">const</span> std::string& <a class="code" href="classFlowCanvas_1_1Item.html#a3709fbc5c09c131283214abaae4827c2">name</a>,</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">double</span> x,</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">double</span> y,</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  uint32_t color);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a8e493fff575ace39a455bfd1be68d39b"> 52</a></span>  <span class="keyword">virtual</span> <a class="code" href="classFlowCanvas_1_1Item.html#a8e493fff575ace39a455bfd1be68d39b">~Item</a>() {}</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#ada7866b360cee1997b739b28f19409bd"> 54</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classFlowCanvas_1_1Item.html#ada7866b360cee1997b739b28f19409bd">selected</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classFlowCanvas_1_1Item.html#acd505bc0a38e4b1b0fefd90e9eb4255b">_selected</a>; }</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#af718b384dc55acb522897524de703744">set_selected</a>(<span class="keywordtype">bool</span> s);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a1bd3b2ffc5087101a0b9ab7986b9abd3"> 57</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#a1bd3b2ffc5087101a0b9ab7986b9abd3">set_minimum_width</a>(<span class="keywordtype">double</span> w) { <a class="code" href="classFlowCanvas_1_1Item.html#a3da044dd2685b959243c0690ad06eafc">_minimum_width</a> = w; }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#a60cbd0ce1230a128cf8152852f08bb9b">select_tick</a>() = 0;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#ad805055f185f310a091ab11c9b93d1b9">move</a>(<span class="keywordtype">double</span> dx, <span class="keywordtype">double</span> dy) = 0;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a855d1572caba21e97f9bd3e50853664f"> 63</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#a855d1572caba21e97f9bd3e50853664f">zoom</a>(<span class="keywordtype">double</span> z) {}</div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a0298abb7a7d9523f34052a7a32f8e160"> 64</a></span>  boost::weak_ptr<Canvas> <a class="code" href="classFlowCanvas_1_1Item.html#a0298abb7a7d9523f34052a7a32f8e160">canvas</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classFlowCanvas_1_1Item.html#a240aea5a9db162bcf400b73c92c37293">_canvas</a>; }</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#ad42b8a44e896704060b5d700d60bc509"> 66</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classFlowCanvas_1_1Item.html#ad42b8a44e896704060b5d700d60bc509">popup_menu</a>(guint button, guint32 activate_time) {</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> ( ! <a class="code" href="classFlowCanvas_1_1Item.html#a60e481bd7b543b605029154676a6c9b0">_menu</a>)</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="classFlowCanvas_1_1Item.html#a64f504c87f477c42fac38d7dd1d94fb7">create_menu</a>();</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (<a class="code" href="classFlowCanvas_1_1Item.html#a60e481bd7b543b605029154676a6c9b0">_menu</a>) {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="classFlowCanvas_1_1Item.html#a60e481bd7b543b605029154676a6c9b0">_menu</a>->popup(button, activate_time);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00077"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a64f504c87f477c42fac38d7dd1d94fb7"> 77</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#a64f504c87f477c42fac38d7dd1d94fb7">create_menu</a>() {}</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a728e0633f9babe2d383ca736c67afe86"> 79</a></span>  Gtk::Menu* <a class="code" href="classFlowCanvas_1_1Item.html#a728e0633f9babe2d383ca736c67afe86">menu</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classFlowCanvas_1_1Item.html#a60e481bd7b543b605029154676a6c9b0">_menu</a>; }</div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a1dc008175edd4266088e070249cdfceb"> 80</a></span>  <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#a1dc008175edd4266088e070249cdfceb">set_menu</a>(Gtk::Menu* m) { <span class="keyword">delete</span> <a class="code" href="classFlowCanvas_1_1Item.html#a60e481bd7b543b605029154676a6c9b0">_menu</a>; <a class="code" href="classFlowCanvas_1_1Item.html#a60e481bd7b543b605029154676a6c9b0">_menu</a> = m; }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a3199a96abeb80aee342533b7d40d5d42"> 82</a></span>  <span class="keywordtype">double</span> <a class="code" href="classFlowCanvas_1_1Item.html#a3199a96abeb80aee342533b7d40d5d42">width</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classFlowCanvas_1_1Item.html#a447e61f43ee6477b9196e6b3ff333d9f">_width</a>; }</div>
<div class="line"><a name="l00083"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a4cdc65ab05d94b07c903ea9f5dfc6f26"> 83</a></span>  <span class="keywordtype">double</span> <a class="code" href="classFlowCanvas_1_1Item.html#a4cdc65ab05d94b07c903ea9f5dfc6f26">height</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classFlowCanvas_1_1Item.html#a2f3d6ff2c68e3db7aefd04de754b5afd">_height</a>; }</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#a2ef2bb77b2d8888f8569ec493dec6a99">resize</a>() = 0;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#afe946e08b3abeba321e2651bb9e519c0"> 87</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#afe946e08b3abeba321e2651bb9e519c0">load_location</a>() {}</div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#ab6987f4a4ee46bc5c9db5de9615b8733"> 88</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#ab6987f4a4ee46bc5c9db5de9615b8733">store_location</a>() {}</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">bool</span> <a class="code" href="classFlowCanvas_1_1Item.html#a53d1193fe73b70516754a4470be90957">is_within</a>(<span class="keyword">const</span> Gnome::Canvas::Rect& rect) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classFlowCanvas_1_1Item.html#addf2e1287b863370c9376d3c4be195e0" title="Returns whether or not the point x, y (world units) is within the item.">point_is_within</a>(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a3709fbc5c09c131283214abaae4827c2"> 93</a></span>  <span class="keyword">const</span> std::string& <a class="code" href="classFlowCanvas_1_1Item.html#a3709fbc5c09c131283214abaae4827c2">name</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classFlowCanvas_1_1Item.html#af5987a9ca3b4e49445d996d3db4ee645">_name</a>; }</div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#afce4827e4b5f5c06c859e7cac3d40c87"> 94</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#afce4827e4b5f5c06c859e7cac3d40c87">set_name</a>(<span class="keyword">const</span> std::string& n) { <a class="code" href="classFlowCanvas_1_1Item.html#af5987a9ca3b4e49445d996d3db4ee645">_name</a> = n; }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00096"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a73f1440f4d463ebf453bc220e2da68e5"> 96</a></span>  uint32_t <a class="code" href="classFlowCanvas_1_1Item.html#a73f1440f4d463ebf453bc220e2da68e5">base_color</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classFlowCanvas_1_1Item.html#acbdba3571c433c9615e81bcf0016b84c">_color</a>; }</div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a092568bafb214fa8bf84b32aa015fec1"> 97</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#a092568bafb214fa8bf84b32aa015fec1">set_border_color</a>(uint32_t c) { <a class="code" href="classFlowCanvas_1_1Item.html#ac1fdd65b1283f71bffdf85669ce456e5">_border_color</a> = c; }</div>
<div class="line"><a name="l00098"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a311208abc34e5b85db61680c9911a52f"> 98</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#a311208abc34e5b85db61680c9911a52f">set_base_color</a>(uint32_t c) { <a class="code" href="classFlowCanvas_1_1Item.html#acbdba3571c433c9615e81bcf0016b84c">_color</a> = c; }</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#a89663300e53668da86b6684df0e0b521">set_default_base_color</a>() = 0;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a27f87e11ba4a32ce3992303e0da49a6e"> 109</a></span>  <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#a27f87e11ba4a32ce3992303e0da49a6e" title="Set the partner of this node.">set_partner</a>(boost::shared_ptr<Item> <a class="code" href="classFlowCanvas_1_1Item.html#ad10e83e0e500c72af2dd3daf01a65498">partner</a>) { <a class="code" href="classFlowCanvas_1_1Item.html#a268d79f04f1f370eaf68f570a6acd820">_partner</a> = <a class="code" href="classFlowCanvas_1_1Item.html#ad10e83e0e500c72af2dd3daf01a65498">partner</a>; }</div>
<div class="line"><a name="l00110"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#ad10e83e0e500c72af2dd3daf01a65498"> 110</a></span>  boost::weak_ptr<Item> <a class="code" href="classFlowCanvas_1_1Item.html#ad10e83e0e500c72af2dd3daf01a65498">partner</a>() { <span class="keywordflow">return</span> <a class="code" href="classFlowCanvas_1_1Item.html#a268d79f04f1f370eaf68f570a6acd820">_partner</a>; }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a name="l00112"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a66b869e3772dd3a077e578f5751b099e"> 112</a></span>  sigc::signal<void> <a class="code" href="classFlowCanvas_1_1Item.html#a66b869e3772dd3a077e578f5751b099e">signal_pointer_entered</a>;</div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#acc71ed7ec242c3e01877593884e653bb"> 113</a></span>  sigc::signal<void> <a class="code" href="classFlowCanvas_1_1Item.html#acc71ed7ec242c3e01877593884e653bb">signal_pointer_exited</a>;</div>
<div class="line"><a name="l00114"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#aa934f2935ea819dde9bbac052492224d"> 114</a></span>  sigc::signal<void> <a class="code" href="classFlowCanvas_1_1Item.html#aa934f2935ea819dde9bbac052492224d">signal_selected</a>;</div>
<div class="line"><a name="l00115"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#adf3e0325f9b8c92f8874270c92db958d"> 115</a></span>  sigc::signal<void> <a class="code" href="classFlowCanvas_1_1Item.html#adf3e0325f9b8c92f8874270c92db958d">signal_unselected</a>;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a name="l00117"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#ad50a7839136a98827acfbfd79c3d77e3"> 117</a></span>  sigc::signal<void, GdkEventButton*> <a class="code" href="classFlowCanvas_1_1Item.html#ad50a7839136a98827acfbfd79c3d77e3">signal_clicked</a>;</div>
<div class="line"><a name="l00118"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#aab47f7089f40118f15660f2696c111e6"> 118</a></span>  sigc::signal<void, GdkEventButton*> <a class="code" href="classFlowCanvas_1_1Item.html#aab47f7089f40118f15660f2696c111e6">signal_double_clicked</a>;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a name="l00120"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a4f9a9938fa55be090c5715771a522199"> 120</a></span>  sigc::signal<void, double, double> <a class="code" href="classFlowCanvas_1_1Item.html#a4f9a9938fa55be090c5715771a522199">signal_dragged</a>;</div>
<div class="line"><a name="l00121"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a41c0fefefc2c1cb38be6513516785a4f"> 121</a></span>  sigc::signal<void, double, double> <a class="code" href="classFlowCanvas_1_1Item.html#a41c0fefefc2c1cb38be6513516785a4f">signal_dropped</a>;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#ab8ee1b43bea450852a5c646284f9b999">on_drag</a>(<span class="keywordtype">double</span> dx, <span class="keywordtype">double</span> dy);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#a012a778485f89b5d71b024971fd52095">on_drop</a>();</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#af713419b397712cc7ea8fa146212bda7">on_click</a>(GdkEventButton* ev);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#a7e26125e7fee6adb2b567e5db6d7a3a7">on_double_click</a>(GdkEventButton* ev);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#aa6c8b020b3a6e3eb6d274ed025d006c1">set_height</a>(<span class="keywordtype">double</span> h) = 0;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classFlowCanvas_1_1Item.html#a931832348943d5804e31e5803a790934">set_width</a>(<span class="keywordtype">double</span> w) = 0;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">bool</span> <a class="code" href="classFlowCanvas_1_1Item.html#a6d9db237f253fbfcf6b0647830f37147">on_event</a>(GdkEvent* event);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a240aea5a9db162bcf400b73c92c37293"> 134</a></span>  <span class="keyword">const</span> boost::weak_ptr<Canvas> <a class="code" href="classFlowCanvas_1_1Item.html#a240aea5a9db162bcf400b73c92c37293">_canvas</a>;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a name="l00136"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a268d79f04f1f370eaf68f570a6acd820"> 136</a></span>  boost::weak_ptr<Item> <a class="code" href="classFlowCanvas_1_1Item.html#a268d79f04f1f370eaf68f570a6acd820">_partner</a>;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a name="l00138"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a60e481bd7b543b605029154676a6c9b0"> 138</a></span>  Gtk::Menu* <a class="code" href="classFlowCanvas_1_1Item.html#a60e481bd7b543b605029154676a6c9b0">_menu</a>;</div>
<div class="line"><a name="l00139"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#af5987a9ca3b4e49445d996d3db4ee645"> 139</a></span>  std::string <a class="code" href="classFlowCanvas_1_1Item.html#af5987a9ca3b4e49445d996d3db4ee645">_name</a>;</div>
<div class="line"><a name="l00140"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a3da044dd2685b959243c0690ad06eafc"> 140</a></span>  <span class="keywordtype">double</span> <a class="code" href="classFlowCanvas_1_1Item.html#a3da044dd2685b959243c0690ad06eafc">_minimum_width</a>;</div>
<div class="line"><a name="l00141"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a447e61f43ee6477b9196e6b3ff333d9f"> 141</a></span>  <span class="keywordtype">double</span> <a class="code" href="classFlowCanvas_1_1Item.html#a447e61f43ee6477b9196e6b3ff333d9f">_width</a>;</div>
<div class="line"><a name="l00142"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a2f3d6ff2c68e3db7aefd04de754b5afd"> 142</a></span>  <span class="keywordtype">double</span> <a class="code" href="classFlowCanvas_1_1Item.html#a2f3d6ff2c68e3db7aefd04de754b5afd">_height</a>;</div>
<div class="line"><a name="l00143"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#ac1fdd65b1283f71bffdf85669ce456e5"> 143</a></span>  uint32_t <a class="code" href="classFlowCanvas_1_1Item.html#ac1fdd65b1283f71bffdf85669ce456e5">_border_color</a>;</div>
<div class="line"><a name="l00144"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#acbdba3571c433c9615e81bcf0016b84c"> 144</a></span>  uint32_t <a class="code" href="classFlowCanvas_1_1Item.html#acbdba3571c433c9615e81bcf0016b84c">_color</a>;</div>
<div class="line"><a name="l00145"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#acd505bc0a38e4b1b0fefd90e9eb4255b"> 145</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classFlowCanvas_1_1Item.html#acd505bc0a38e4b1b0fefd90e9eb4255b">_selected</a> :1;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> };</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a name="l00149"></a><span class="lineno"><a class="code" href="namespaceFlowCanvas.html#ab4c39f25b89c40708f2478a262fa4726"> 149</a></span> <span class="keyword">typedef</span> std::list<boost::shared_ptr<Item> > <a class="code" href="namespaceFlowCanvas.html#ab4c39f25b89c40708f2478a262fa4726">ItemList</a>;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#addf2e1287b863370c9376d3c4be195e0"> 155</a></span> <a class="code" href="classFlowCanvas_1_1Item.html#addf2e1287b863370c9376d3c4be195e0" title="Returns whether or not the point x, y (world units) is within the item.">Item::point_is_within</a>(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y)<span class="keyword"> const</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> (x > property_x() && x < property_x() + <a class="code" href="classFlowCanvas_1_1Item.html#a447e61f43ee6477b9196e6b3ff333d9f">_width</a></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  && y > property_y() && y < property_y() + <a class="code" href="classFlowCanvas_1_1Item.html#a2f3d6ff2c68e3db7aefd04de754b5afd">_height</a>);</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> }</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"><a class="code" href="classFlowCanvas_1_1Item.html#a53d1193fe73b70516754a4470be90957"> 163</a></span> <a class="code" href="classFlowCanvas_1_1Item.html#a53d1193fe73b70516754a4470be90957">Item::is_within</a>(<span class="keyword">const</span> Gnome::Canvas::Rect& rect)<span class="keyword"> const</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> x1 = rect.property_x1();</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> y1 = rect.property_y1();</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> x2 = rect.property_x2();</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> y2 = rect.property_y2();</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (x1 < x2 && y1 < y2) {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> (property_x() > x1</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  && property_y() > y1</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  && property_x() + <a class="code" href="classFlowCanvas_1_1Item.html#a3199a96abeb80aee342533b7d40d5d42">width</a>() < x2</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  && property_y() + <a class="code" href="classFlowCanvas_1_1Item.html#a4cdc65ab05d94b07c903ea9f5dfc6f26">height</a>() < y2);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (x2 < x1 && y2 < y1) {</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> (property_x() > x2</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  && property_y() > y2</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  && property_x() + <a class="code" href="classFlowCanvas_1_1Item.html#a3199a96abeb80aee342533b7d40d5d42">width</a>() < x1</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  && property_y() + <a class="code" href="classFlowCanvas_1_1Item.html#a4cdc65ab05d94b07c903ea9f5dfc6f26">height</a>() < y1);</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (x1 < x2 && y2 < y1) {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">return</span> (property_x() > x1</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  && property_y() > y2</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  && property_x() + <a class="code" href="classFlowCanvas_1_1Item.html#a3199a96abeb80aee342533b7d40d5d42">width</a>() < x2</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  && property_y() + <a class="code" href="classFlowCanvas_1_1Item.html#a4cdc65ab05d94b07c903ea9f5dfc6f26">height</a>() < y1);</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (x2 < x1 && y1 < y2) {</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">return</span> (property_x() > x2</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  && property_y() > y1</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  && property_x() + <a class="code" href="classFlowCanvas_1_1Item.html#a3199a96abeb80aee342533b7d40d5d42">width</a>() < x1</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  && property_y() + <a class="code" href="classFlowCanvas_1_1Item.html#a4cdc65ab05d94b07c903ea9f5dfc6f26">height</a>() < y2);</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> }</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> } <span class="comment">// namespace FlowCanvas</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor">#endif // FLOWCANVAS_ITEM_HPP</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor"></span></div>
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