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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"> 3</span> <span class="keywordtype">void</span> ViewSelection::draw()</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(win, A_REVERSE);</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  mvwprintw(win, 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(win, 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>  calls.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"> 22</span> call_t ViewSelection::keypress(<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 = start_x + choice_offset_x;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">size_t</span> row_start = start_y + 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> KEY_ENT:</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 = calls[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>  repaint();</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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