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DISTRHO Plugin Framework
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  67. <div class="header">

  68.   <div class="headertitle">

  69. <div class="title">EventHandlers.hpp</div>  </div>

  70. </div><!--header-->

  71. <div class="contents">

  72. <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>

  73. <div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * DISTRHO Plugin Framework (DPF)</span></div>

  74. <div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 2012-2021 Filipe Coelho &lt;falktx@falktx.com&gt;</span></div>

  75. <div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *</span></div>

  76. <div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * Permission to use, copy, modify, and/or distribute this software for any purpose with</span></div>

  77. <div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * or without fee is hereby granted, provided that the above copyright notice and this</span></div>

  78. <div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * permission notice appear in all copies.</span></div>

  79. <div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *</span></div>

  80. <div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD</span></div>

  81. <div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN</span></div>

  82. <div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL</span></div>

  83. <div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER</span></div>

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  87. <div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>

  88. <div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#ifndef DGL_EVENT_HANDLERS_HPP_INCLUDED</span></div>

  89. <div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#define DGL_EVENT_HANDLERS_HPP_INCLUDED</span></div>

  90. <div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>

  91. <div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &quot;Widget.hpp&quot;</span></div>

  92. <div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160; </div>

  93. <div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;START_NAMESPACE_DGL</div>

  94. <div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160; </div>

  95. <div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment">// --------------------------------------------------------------------------------------------------------------------</span></div>

  96. <div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>

  97. <div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="classButtonEventHandler.html">   26</a></span>&#160;<span class="keyword">class </span><a class="code" href="classButtonEventHandler.html">ButtonEventHandler</a></div>

  98. <div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;{</div>

  99. <div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="keyword">public</span>:</div>

  100. <div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    <span class="keyword">enum</span> State {</div>

  101. <div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        kButtonStateDefault = 0x0,</div>

  102. <div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;        kButtonStateHover = 0x1,</div>

  103. <div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;        kButtonStateActive = 0x2,</div>

  104. <div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        kButtonStateActiveHover = kButtonStateActive|kButtonStateHover</div>

  105. <div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    };</div>

  106. <div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160; </div>

  107. <div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classButtonEventHandler_1_1Callback.html">   36</a></span>&#160;    <span class="keyword">class </span><a class="code" href="classButtonEventHandler_1_1Callback.html">Callback</a></div>

  108. <div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    {</div>

  109. <div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    <span class="keyword">public</span>:</div>

  110. <div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="classButtonEventHandler_1_1Callback.html">Callback</a>() {}</div>

  111. <div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> buttonClicked(<a class="code" href="classSubWidget.html">SubWidget</a>* widget, <span class="keywordtype">int</span> button) = 0;</div>

  112. <div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    };</div>

  113. <div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160; </div>

  114. <div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classButtonEventHandler.html">ButtonEventHandler</a>(<a class="code" href="classSubWidget.html">SubWidget</a>* <span class="keyword">self</span>);</div>

  115. <div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    ~<a class="code" href="classButtonEventHandler.html">ButtonEventHandler</a>();</div>

  116. <div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160; </div>

  117. <div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="keywordtype">bool</span> isActive() noexcept;</div>

  118. <div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <span class="keywordtype">void</span> setActive(<span class="keywordtype">bool</span> active, <span class="keywordtype">bool</span> sendCallback) noexcept;</div>

  119. <div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160; </div>

  120. <div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    <span class="keywordtype">bool</span> isChecked() const noexcept;</div>

  121. <div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="keywordtype">void</span> setChecked(<span class="keywordtype">bool</span> checked, <span class="keywordtype">bool</span> sendCallback) noexcept;</div>

  122. <div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160; </div>

  123. <div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    <span class="keywordtype">bool</span> isCheckable() const noexcept;</div>

  124. <div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <span class="keywordtype">void</span> setCheckable(<span class="keywordtype">bool</span> checkable) noexcept;</div>

  125. <div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160; </div>

  126. <div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="keywordtype">void</span> setCallback(<a class="code" href="classButtonEventHandler_1_1Callback.html">Callback</a>* callback) noexcept;</div>

  127. <div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160; </div>

  128. <div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;     <span class="keywordtype">bool</span> mouseEvent(const <a class="code" href="classWidget.html">Widget</a>::MouseEvent&amp; ev);</div>

  129. <div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;     <span class="keywordtype">bool</span> motionEvent(const <a class="code" href="classWidget.html">Widget</a>::MotionEvent&amp; ev);</div>

  130. <div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160; </div>

  131. <div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;protected:</div>

  132. <div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;     State getState() const noexcept;</div>

  133. <div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;     <span class="keywordtype">void</span> clearState() noexcept;</div>

  134. <div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160; </div>

  135. <div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;     virtual <span class="keywordtype">void</span> stateChanged(State state, State oldState);</div>

  136. <div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160; </div>

  137. <div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;private:</div>

  138. <div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    struct PrivateData;</div>

  139. <div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    PrivateData* const pData;</div>

  140. <div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160; </div>

  141. <div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(<a class="code" href="classButtonEventHandler.html">ButtonEventHandler</a>)</div>

  142. <div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;};</div>

  143. <div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160; </div>

  144. <div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment">// --------------------------------------------------------------------------------------------------------------------</span></div>

  145. <div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160; </div>

  146. <div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;END_NAMESPACE_DGL</div>

  147. <div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160; </div>

  148. <div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="preprocessor">#endif // DGL_EVENT_HANDLERS_HPP_INCLUDED</span></div>

  149. <div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160; </div>

  150. </div><!-- fragment --></div><!-- contents -->

  151. <div class="ttc" id="aclassButtonEventHandler_1_1Callback_html"><div class="ttname"><a href="classButtonEventHandler_1_1Callback.html">ButtonEventHandler::Callback</a></div><div class="ttdef"><b>Definition:</b> EventHandlers.hpp:36</div></div>

  152. <div class="ttc" id="aclassSubWidget_html"><div class="ttname"><a href="classSubWidget.html">SubWidget</a></div><div class="ttdef"><b>Definition:</b> SubWidget.hpp:39</div></div>

  153. <div class="ttc" id="aclassButtonEventHandler_html"><div class="ttname"><a href="classButtonEventHandler.html">ButtonEventHandler</a></div><div class="ttdef"><b>Definition:</b> EventHandlers.hpp:26</div></div>

  154. <div class="ttc" id="aclassWidget_html"><div class="ttname"><a href="classWidget.html">Widget</a></div><div class="ttdef"><b>Definition:</b> Widget.hpp:53</div></div>

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  159. </a> 1.8.17

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