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<div class="title">view_selection.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#include "view_selection.h"</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>  </div><div class="line"><a name="l00003"></a><span class="lineno"><a class="line" href="classViewSelection.html#a10fa34fb676bfed472ca5ee62ef9446d"> 3</a></span> <span class="keywordtype">void</span> <a class="code" href="classViewSelection.html#a10fa34fb676bfed472ca5ee62ef9446d">ViewSelection::draw</a>()</div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> {</div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>  <span class="comment">//curs_set(0); // hide cursor</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>  <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0; i < choices.size(); i++)</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>  {</div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  <span class="keywordflow">if</span>(selection == i)</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  wattron(<a class="code" href="classView.html#a5ddee2bf0b26dbcfa7780be17ff33dd7">win</a>, A_REVERSE);</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  mvwprintw(<a class="code" href="classView.html#a5ddee2bf0b26dbcfa7780be17ff33dd7">win</a>, i + choice_offset_y, choice_offset_x, <span class="stringliteral">"%s"</span>, choices[i].c_str());</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  <span class="keywordflow">if</span>(selection == i)</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  wattroff(<a class="code" href="classView.html#a5ddee2bf0b26dbcfa7780be17ff33dd7">win</a>, A_REVERSE);</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  }</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> }</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keywordtype">void</span> ViewSelection::addChoice(std::string name, call_t call)</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>  choices.push_back(name);</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <a class="code" href="classView.html#a610367214a727e2f7da72ac5bdb60fa3">calls</a>.push_back(call);</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> }</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div><div class="line"><a name="l00022"></a><span class="lineno"><a class="line" href="classViewSelection.html#a04341cde5e8355edc5ff3d653d1dbc76"> 22</a></span> call_t <a class="code" href="classViewSelection.html#a04341cde5e8355edc5ff3d653d1dbc76">ViewSelection::keypress</a>(<span class="keywordtype">int</span>& key)</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> {</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  call_t ret = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordflow">switch</span>(key)</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordflow">case</span> KEY_UP:</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">do</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  selection = (selection - 1 + choices.size()) % choices.size();</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">while</span>(!choices[selection].length() && choices.size());</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">break</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="keywordflow">case</span> <span class="charliteral">'\t'</span>:</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">case</span> KEY_DOWN:</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">do</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  selection = (selection + 1) % choices.size();</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">while</span>(!choices[selection].length() && choices.size());</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">case</span> KEY_MOUSE:</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  {</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">// http://pronix.linuxdelta.de/C/Linuxprogrammierung/Linuxsystemprogrammieren_C_Kurs_Kapitel10b.shtml</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  MEVENT event;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordtype">bool</span> hit = <span class="keyword">false</span>;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">if</span>(getmouse(&event) == OK && <span class="keyword">event</span>.bstate & (BUTTON1_CLICKED | BUTTON1_DOUBLE_CLICKED))</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">size_t</span> column_start = <a class="code" href="classView.html#a9fc9f3b0c876d063e6f57dee320a43fe">start_x</a> + choice_offset_x;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">size_t</span> row_start = <a class="code" href="classView.html#ac424db4c13776c3ce9d33f9074dfcfaa">start_y</a> + choice_offset_y;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">size_t</span> mouse_x = <span class="keyword">event</span>.x, mouse_y = <span class="keyword">event</span>.y;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0; i < choices.size(); i++)</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">if</span>(choices[i].length() && mouse_y == row_start + i && mouse_x >= column_start && mouse_x < column_start + choices[i].length())</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span>(selection == i || event.bstate & BUTTON1_DOUBLE_CLICKED)</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  hit = <span class="keyword">true</span>;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  selection = i;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">if</span>(!hit)</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">break</span>;</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="comment">// fall through to next case</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  [[fallthrough]];</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">case</span> <a class="code" href="classView.html#a3554cf8689cad24c643665aa3d182134">KEY_ENT</a>:</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span>(selection == choices.size() - 1) <span class="comment">// exit</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  key = -1; <span class="comment">// do return from view</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  ret = <a class="code" href="classView.html#a610367214a727e2f7da72ac5bdb60fa3">calls</a>[selection];</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="classView.html#aa7b1f1179e3c4f06bef1e99355d0d592">repaint</a>();</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> }</div></div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="aclassView_html_a610367214a727e2f7da72ac5bdb60fa3"><div class="ttname"><a href="classView.html#a610367214a727e2f7da72ac5bdb60fa3">View::calls</a></div><div class="ttdeci">std::vector< call_t > calls</div><div class="ttdoc">calls (function pointers) for different button actions in the view (if any)</div><div class="ttdef"><b>Definition:</b> <a href="view_8h_source.html#l00084">view.h:84</a></div></div>
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<div class="ttc" id="aclassView_html_a5ddee2bf0b26dbcfa7780be17ff33dd7"><div class="ttname"><a href="classView.html#a5ddee2bf0b26dbcfa7780be17ff33dd7">View::win</a></div><div class="ttdeci">static WINDOW * win</div><div class="ttdoc">static window contexts for all views</div><div class="ttdef"><b>Definition:</b> <a href="view_8h_source.html#l00086">view.h:86</a></div></div>
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<div class="ttc" id="aclassView_html_aa7b1f1179e3c4f06bef1e99355d0d592"><div class="ttname"><a href="classView.html#aa7b1f1179e3c4f06bef1e99355d0d592">View::repaint</a></div><div class="ttdeci">virtual void repaint(void)</div><div class="ttdef"><b>Definition:</b> <a href="view_8cpp_source.html#l00052">view.cpp:52</a></div></div>
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<div class="ttc" id="aclassViewSelection_html_a04341cde5e8355edc5ff3d653d1dbc76"><div class="ttname"><a href="classViewSelection.html#a04341cde5e8355edc5ff3d653d1dbc76">ViewSelection::keypress</a></div><div class="ttdeci">virtual call_t keypress(int &key) override</div><div class="ttdef"><b>Definition:</b> <a href="view__selection_8cpp_source.html#l00022">view_selection.cpp:22</a></div></div>
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<div class="ttc" id="aclassView_html_a9fc9f3b0c876d063e6f57dee320a43fe"><div class="ttname"><a href="classView.html#a9fc9f3b0c876d063e6f57dee320a43fe">View::start_x</a></div><div class="ttdeci">int start_x</div><div class="ttdoc">x offset (characters) in the terminal, used to center the window on repaint()</div><div class="ttdef"><b>Definition:</b> <a href="view_8h_source.html#l00081">view.h:81</a></div></div>
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<div class="ttc" id="aclassView_html_ac424db4c13776c3ce9d33f9074dfcfaa"><div class="ttname"><a href="classView.html#ac424db4c13776c3ce9d33f9074dfcfaa">View::start_y</a></div><div class="ttdeci">int start_y</div><div class="ttdoc">y offset (characters) in the terminal, used to center the window on repaint()</div><div class="ttdef"><b>Definition:</b> <a href="view_8h_source.html#l00082">view.h:82</a></div></div>
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<div class="ttc" id="aclassViewSelection_html_a10fa34fb676bfed472ca5ee62ef9446d"><div class="ttname"><a href="classViewSelection.html#a10fa34fb676bfed472ca5ee62ef9446d">ViewSelection::draw</a></div><div class="ttdeci">virtual void draw(void) override</div><div class="ttdef"><b>Definition:</b> <a href="view__selection_8cpp_source.html#l00003">view_selection.cpp:3</a></div></div>
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<div class="ttc" id="aclassView_html_a3554cf8689cad24c643665aa3d182134"><div class="ttname"><a href="classView.html#a3554cf8689cad24c643665aa3d182134">View::KEY_ENT</a></div><div class="ttdeci">constexpr static int KEY_ENT</div><div class="ttdoc">Key value for the Enter key.</div><div class="ttdef"><b>Definition:</b> <a href="view_8h_source.html#l00087">view.h:87</a></div></div>
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