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<div class="title">qwt_magnifier.cpp</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Qwt Widget Library</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "qwt_magnifier.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "qwt_math.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <qevent.h></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <qwidget.h></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">class </span>QwtMagnifier::PrivateData</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> {</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  PrivateData()</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  : <a class="code" href="class_qwt_magnifier.html#a64f88257b2432d21f5fc62e7fd9c0fde">isEnabled</a>( false )</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  , <a class="code" href="class_qwt_magnifier.html#a9bf2df5d0a0087e967c8674618466da2">wheelFactor</a>( 0.9 )</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  , <a class="code" href="class_qwt_magnifier.html#a479fca5465debe4c4d538bd350a7f182">wheelModifiers</a>( Qt::NoModifier )</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  , <a class="code" href="class_qwt_magnifier.html#a282d3c040136ad97586ac73c37151508">mouseFactor</a>( 0.95 )</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  , mouseButton( Qt::RightButton )</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  , mouseButtonModifiers( Qt::NoModifier )</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  , <a class="code" href="class_qwt_magnifier.html#ae29e88684303d3bf587e9b5338267111">keyFactor</a>( 0.9 )</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  , zoomInKey( Qt::Key_Plus )</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  , zoomInKeyModifiers( Qt::NoModifier )</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  , zoomOutKey( Qt::Key_Minus )</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  , zoomOutKeyModifiers( Qt::NoModifier )</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  , mousePressed( false )</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  , hasMouseTracking( false )</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  {</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  }</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">bool</span> <a class="code" href="class_qwt_magnifier.html#a64f88257b2432d21f5fc62e7fd9c0fde">isEnabled</a>;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">double</span> <a class="code" href="class_qwt_magnifier.html#a9bf2df5d0a0087e967c8674618466da2">wheelFactor</a>;</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  Qt::KeyboardModifiers <a class="code" href="class_qwt_magnifier.html#a479fca5465debe4c4d538bd350a7f182">wheelModifiers</a>;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">double</span> <a class="code" href="class_qwt_magnifier.html#a282d3c040136ad97586ac73c37151508">mouseFactor</a>;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  Qt::MouseButton mouseButton;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  Qt::KeyboardModifiers mouseButtonModifiers;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">double</span> <a class="code" href="class_qwt_magnifier.html#ae29e88684303d3bf587e9b5338267111">keyFactor</a>;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">int</span> zoomInKey;</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  Qt::KeyboardModifiers zoomInKeyModifiers;</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">int</span> zoomOutKey;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  Qt::KeyboardModifiers zoomOutKeyModifiers;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">bool</span> mousePressed;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">bool</span> hasMouseTracking;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  QPoint mousePos;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> };</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
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<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#aa11b927c72e0421570a137f0fa1cfb7b"> 63</a></span> <a class="code" href="class_qwt_magnifier.html#aa11b927c72e0421570a137f0fa1cfb7b">QwtMagnifier::QwtMagnifier</a>( QWidget* parent )</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  : QObject( parent )</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> {</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  m_data = <span class="keyword">new</span> PrivateData();</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> ( parent )</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  {</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> ( parent->focusPolicy() == Qt::NoFocus )</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  parent->setFocusPolicy( Qt::WheelFocus );</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="class_qwt_magnifier.html#a03d892c58039fc864a452b7c636a1df7">setEnabled</a>( <span class="keyword">true</span> );</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
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<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#ac18a7858407951a335399ee6969a50da"> 78</a></span> <a class="code" href="class_qwt_magnifier.html#ac18a7858407951a335399ee6969a50da">QwtMagnifier::~QwtMagnifier</a>()</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">delete</span> m_data;</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
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<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a03d892c58039fc864a452b7c636a1df7"> 92</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#a03d892c58039fc864a452b7c636a1df7">QwtMagnifier::setEnabled</a>( <span class="keywordtype">bool</span> on )</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> {</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> ( m_data->isEnabled != on )</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  {</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  m_data->isEnabled = on;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  QObject* o = parent();</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> ( o )</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  {</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> ( m_data->isEnabled )</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  o->installEventFilter( <span class="keyword">this</span> );</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  o->removeEventFilter( <span class="keyword">this</span> );</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> }</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
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<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a64f88257b2432d21f5fc62e7fd9c0fde"> 113</a></span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_magnifier.html#a64f88257b2432d21f5fc62e7fd9c0fde">QwtMagnifier::isEnabled</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> m_data->isEnabled;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> }</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
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<div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#ae3a33ab8776ed2122fecc821a32bb36a"> 134</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#ae3a33ab8776ed2122fecc821a32bb36a">QwtMagnifier::setWheelFactor</a>( <span class="keywordtype">double</span> factor )</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> {</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  m_data->wheelFactor = factor;</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> }</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div>
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<div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a9bf2df5d0a0087e967c8674618466da2"> 143</a></span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_magnifier.html#a9bf2df5d0a0087e967c8674618466da2">QwtMagnifier::wheelFactor</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> m_data->wheelFactor;</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> }</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  </div>
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<div class="line"><a name="l00155"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#aadfc853d8619b43b21564d8d5fe50093"> 155</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#aadfc853d8619b43b21564d8d5fe50093">QwtMagnifier::setWheelModifiers</a>( Qt::KeyboardModifiers modifiers )</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> {</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  m_data->wheelModifiers = modifiers;</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> }</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  </div>
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<div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a479fca5465debe4c4d538bd350a7f182"> 164</a></span> Qt::KeyboardModifiers <a class="code" href="class_qwt_magnifier.html#a479fca5465debe4c4d538bd350a7f182">QwtMagnifier::wheelModifiers</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">return</span> m_data->wheelModifiers;</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> }</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  </div>
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<div class="line"><a name="l00179"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#ada5dac479dc1e69c04760bb7dc197ac9"> 179</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#ada5dac479dc1e69c04760bb7dc197ac9">QwtMagnifier::setMouseFactor</a>( <span class="keywordtype">double</span> factor )</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> {</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  m_data->mouseFactor = factor;</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> }</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  </div>
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<div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a282d3c040136ad97586ac73c37151508"> 188</a></span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_magnifier.html#a282d3c040136ad97586ac73c37151508">QwtMagnifier::mouseFactor</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> m_data->mouseFactor;</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> }</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
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<div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#ad814a5d9cb227d6fb56f8289dffe597c"> 202</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#ad814a5d9cb227d6fb56f8289dffe597c">QwtMagnifier::setMouseButton</a>(</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  Qt::MouseButton button, Qt::KeyboardModifiers modifiers )</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> {</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  m_data->mouseButton = button;</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  m_data->mouseButtonModifiers = modifiers;</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> }</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  </div>
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<div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a8793ae263bf2c96db8eb7d2942f01974"> 210</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#a8793ae263bf2c96db8eb7d2942f01974">QwtMagnifier::getMouseButton</a>(</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  Qt::MouseButton& button, Qt::KeyboardModifiers& modifiers )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  button = m_data->mouseButton;</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  modifiers = m_data->mouseButtonModifiers;</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> }</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  </div>
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<div class="line"><a name="l00228"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#ac079b44e124fdaba1d894ef519bc4e4f"> 228</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#ac079b44e124fdaba1d894ef519bc4e4f">QwtMagnifier::setKeyFactor</a>( <span class="keywordtype">double</span> factor )</div>
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|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> {</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  m_data->keyFactor = factor;</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> }</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  </div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#ae29e88684303d3bf587e9b5338267111"> 237</a></span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_magnifier.html#ae29e88684303d3bf587e9b5338267111">QwtMagnifier::keyFactor</a>()<span class="keyword"> const</span></div>
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|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">return</span> m_data->keyFactor;</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> }</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  </div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a004d9e770ed745bbcb5dcdb7a7ecc0a9"> 250</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#a004d9e770ed745bbcb5dcdb7a7ecc0a9">QwtMagnifier::setZoomInKey</a>( <span class="keywordtype">int</span> key,</div>
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|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  Qt::KeyboardModifiers modifiers )</div>
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|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> {</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  m_data->zoomInKey = key;</div>
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|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  m_data->zoomInKeyModifiers = modifiers;</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> }</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  </div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a0df893ea54dbb2a1967248740a1db84f"> 265</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#a0df893ea54dbb2a1967248740a1db84f">QwtMagnifier::getZoomInKey</a>( <span class="keywordtype">int</span>& key,</div>
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|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  Qt::KeyboardModifiers& modifiers )<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  key = m_data->zoomInKey;</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  modifiers = m_data->zoomInKeyModifiers;</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> }</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  </div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a095a8cc622175fafc5b3cc6eb274af07"> 280</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#a095a8cc622175fafc5b3cc6eb274af07">QwtMagnifier::setZoomOutKey</a>( <span class="keywordtype">int</span> key,</div>
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|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  Qt::KeyboardModifiers modifiers )</div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> {</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  m_data->zoomOutKey = key;</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  m_data->zoomOutKeyModifiers = modifiers;</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> }</div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  </div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#ad1192dfc87ec7b451d3dfa982cc0e602"> 295</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#ad1192dfc87ec7b451d3dfa982cc0e602">QwtMagnifier::getZoomOutKey</a>( <span class="keywordtype">int</span>& key,</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  Qt::KeyboardModifiers& modifiers )<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  key = m_data->zoomOutKey;</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  modifiers = m_data->zoomOutKeyModifiers;</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> }</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  </div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#af90d8c4b5915635957b636d502611740"> 317</a></span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_magnifier.html#af90d8c4b5915635957b636d502611740">QwtMagnifier::eventFilter</a>( QObject* <span class="keywordtype">object</span>, QEvent* event )</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> {</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span> ( <span class="keywordtype">object</span> && <span class="keywordtype">object</span> == parent() )</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  {</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">switch</span> ( event->type() )</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  {</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">case</span> QEvent::MouseButtonPress:</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  {</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <a class="code" href="class_qwt_magnifier.html#a5930b3ec00ae99883f36cf8bf568cbf7">widgetMousePressEvent</a>( <span class="keyword">static_cast<</span> QMouseEvent* <span class="keyword">></span>( event ) );</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  }</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">case</span> QEvent::MouseMove:</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  {</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <a class="code" href="class_qwt_magnifier.html#a4eb68b98b063cc14b7839f02f8671dfc">widgetMouseMoveEvent</a>( <span class="keyword">static_cast<</span> QMouseEvent* <span class="keyword">></span>( event ) );</div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  }</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">case</span> QEvent::MouseButtonRelease:</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  {</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <a class="code" href="class_qwt_magnifier.html#aa7cc31995444ca8dd8412b8a6dab7b93">widgetMouseReleaseEvent</a>( <span class="keyword">static_cast<</span> QMouseEvent* <span class="keyword">></span>( event ) );</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  }</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">case</span> QEvent::Wheel:</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  {</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <a class="code" href="class_qwt_magnifier.html#a236762870830cc0621411c173472392b">widgetWheelEvent</a>( <span class="keyword">static_cast<</span> QWheelEvent* <span class="keyword">></span>( event ) );</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  }</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">case</span> QEvent::KeyPress:</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  {</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <a class="code" href="class_qwt_magnifier.html#a382cec084a2bfc0610ca500121205f04">widgetKeyPressEvent</a>( <span class="keyword">static_cast<</span> QKeyEvent* <span class="keyword">></span>( event ) );</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  }</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">case</span> QEvent::KeyRelease:</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  {</div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <a class="code" href="class_qwt_magnifier.html#af84037c68c9b88263d1c27bb648cf9ff">widgetKeyReleaseEvent</a>( <span class="keyword">static_cast<</span> QKeyEvent* <span class="keyword">></span>( event ) );</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  }</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">default</span>:;</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  }</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  }</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">return</span> QObject::eventFilter( <span class="keywordtype">object</span>, event );</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> }</div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  </div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a5930b3ec00ae99883f36cf8bf568cbf7"> 365</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#a5930b3ec00ae99883f36cf8bf568cbf7">QwtMagnifier::widgetMousePressEvent</a>( QMouseEvent* mouseEvent )</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> {</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_magnifier.html#a56b7ad2366a7f908c38bc2a994acde16">parentWidget</a>() == NULL )</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  </div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">if</span> ( ( mouseEvent->button() != m_data->mouseButton ) ||</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  ( mouseEvent->modifiers() != m_data->mouseButtonModifiers ) )</div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  {</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  }</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  </div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  m_data->hasMouseTracking = <a class="code" href="class_qwt_magnifier.html#a56b7ad2366a7f908c38bc2a994acde16">parentWidget</a>()->hasMouseTracking();</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  </div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <a class="code" href="class_qwt_magnifier.html#a56b7ad2366a7f908c38bc2a994acde16">parentWidget</a>()->setMouseTracking( <span class="keyword">true</span> );</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  m_data->mousePos = mouseEvent->pos();</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  m_data->mousePressed = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> }</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  </div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#aa7cc31995444ca8dd8412b8a6dab7b93"> 390</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#aa7cc31995444ca8dd8412b8a6dab7b93">QwtMagnifier::widgetMouseReleaseEvent</a>( QMouseEvent* mouseEvent )</div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> {</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  Q_UNUSED( mouseEvent );</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  </div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">if</span> ( m_data->mousePressed && <a class="code" href="class_qwt_magnifier.html#a56b7ad2366a7f908c38bc2a994acde16">parentWidget</a>() )</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  {</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  m_data->mousePressed = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <a class="code" href="class_qwt_magnifier.html#a56b7ad2366a7f908c38bc2a994acde16">parentWidget</a>()->setMouseTracking( m_data->hasMouseTracking );</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  }</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> }</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  </div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a4eb68b98b063cc14b7839f02f8671dfc"> 407</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#a4eb68b98b063cc14b7839f02f8671dfc">QwtMagnifier::widgetMouseMoveEvent</a>( QMouseEvent* mouseEvent )</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> {</div>
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<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">if</span> ( !m_data->mousePressed )</div>
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<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  </div>
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<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> dy = mouseEvent->pos().y() - m_data->mousePos.y();</div>
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<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">if</span> ( dy != 0 )</div>
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<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  {</div>
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<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordtype">double</span> f = m_data->mouseFactor;</div>
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<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">if</span> ( dy < 0 )</div>
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<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  f = 1 / f;</div>
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<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  </div>
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<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <a class="code" href="class_qwt_magnifier.html#a5c3d5bda10412a50bd403afe84e2ccee">rescale</a>( f );</div>
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<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  }</div>
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<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  </div>
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<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  m_data->mousePos = mouseEvent->pos();</div>
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<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> }</div>
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<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  </div>
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<div class="line"><a name="l00431"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a236762870830cc0621411c173472392b"> 431</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#a236762870830cc0621411c173472392b">QwtMagnifier::widgetWheelEvent</a>( QWheelEvent* wheelEvent )</div>
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<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> {</div>
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<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">if</span> ( wheelEvent->modifiers() != m_data->wheelModifiers )</div>
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<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  {</div>
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<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  }</div>
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<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  </div>
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<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">if</span> ( m_data->wheelFactor != 0.0 )</div>
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<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  {</div>
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<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="preprocessor">#if QT_VERSION < 0x050000</span></div>
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<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> wheelDelta = wheelEvent->delta();</div>
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<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="preprocessor">#else</span></div>
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<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keyword">const</span> QPoint delta = wheelEvent->angleDelta();</div>
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<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> wheelDelta = ( qAbs( delta.x() ) > qAbs( delta.y() ) )</div>
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<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  ? delta.x() : delta.y();</div>
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<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  </div>
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<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="comment">/*</span></div>
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<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="comment"> A positive delta indicates that the wheel was</span></div>
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<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="comment"> rotated forwards away from the user; a negative</span></div>
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<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment"> value indicates that the wheel was rotated</span></div>
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<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="comment"> backwards toward the user.</span></div>
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<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="comment"> Most mouse types work in steps of 15 degrees,</span></div>
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<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="comment"> in which case the delta value is a multiple</span></div>
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<div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="comment"> of 120 (== 15 * 8).</span></div>
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<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordtype">double</span> f = std::pow( m_data->wheelFactor,</div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  qAbs( wheelDelta / 120.0 ) );</div>
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|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  </div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="keywordflow">if</span> ( wheelDelta > 0 )</div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  f = 1 / f;</div>
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<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  </div>
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<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <a class="code" href="class_qwt_magnifier.html#a5c3d5bda10412a50bd403afe84e2ccee">rescale</a>( f );</div>
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<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  }</div>
|
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<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> }</div>
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<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  </div>
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<div class="line"><a name="l00473"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a382cec084a2bfc0610ca500121205f04"> 473</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#a382cec084a2bfc0610ca500121205f04">QwtMagnifier::widgetKeyPressEvent</a>( QKeyEvent* keyEvent )</div>
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<div class="line"><a name="l00474"></a><span class="lineno"> 474</span> {</div>
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<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">if</span> ( keyEvent->key() == m_data->zoomInKey &&</div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  keyEvent->modifiers() == m_data->zoomInKeyModifiers )</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  {</div>
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|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <a class="code" href="class_qwt_magnifier.html#a5c3d5bda10412a50bd403afe84e2ccee">rescale</a>( m_data->keyFactor );</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  }</div>
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|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( keyEvent->key() == m_data->zoomOutKey &&</div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  keyEvent->modifiers() == m_data->zoomOutKeyModifiers )</div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  {</div>
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|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <a class="code" href="class_qwt_magnifier.html#a5c3d5bda10412a50bd403afe84e2ccee">rescale</a>( 1.0 / m_data->keyFactor );</div>
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|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  }</div>
|
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<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> }</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  </div>
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<div class="line"><a name="l00493"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#af84037c68c9b88263d1c27bb648cf9ff"> 493</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_magnifier.html#af84037c68c9b88263d1c27bb648cf9ff">QwtMagnifier::widgetKeyReleaseEvent</a>( QKeyEvent* keyEvent )</div>
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<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> {</div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  Q_UNUSED( keyEvent );</div>
|
|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> }</div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  </div>
|
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<div class="line"><a name="l00499"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#a56b7ad2366a7f908c38bc2a994acde16"> 499</a></span> QWidget* <a class="code" href="class_qwt_magnifier.html#a56b7ad2366a7f908c38bc2a994acde16">QwtMagnifier::parentWidget</a>()</div>
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<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> {</div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordflow">return</span> qobject_cast< QWidget* >( parent() );</div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> }</div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  </div>
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<div class="line"><a name="l00505"></a><span class="lineno"><a class="line" href="class_qwt_magnifier.html#acbb443e8e38f049b937a8b00fcf05869"> 505</a></span> <span class="keyword">const</span> QWidget* <a class="code" href="class_qwt_magnifier.html#a56b7ad2366a7f908c38bc2a994acde16">QwtMagnifier::parentWidget</a>()<span class="keyword"> const</span></div>
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|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">return</span> qobject_cast< const QWidget* >( parent() );</div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span> }</div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  </div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <span class="preprocessor">#if QWT_MOC_INCLUDE</span></div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span> <span class="preprocessor">#include "moc_qwt_magnifier.cpp"</span></div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> <span class="preprocessor">#endif</span></div>
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|
<div class="ttc" id="aclass_qwt_magnifier_html_a004d9e770ed745bbcb5dcdb7a7ecc0a9"><div class="ttname"><a href="class_qwt_magnifier.html#a004d9e770ed745bbcb5dcdb7a7ecc0a9">QwtMagnifier::setZoomInKey</a></div><div class="ttdeci">void setZoomInKey(int key, Qt::KeyboardModifiers=Qt::NoModifier)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00250">qwt_magnifier.cpp:250</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a03d892c58039fc864a452b7c636a1df7"><div class="ttname"><a href="class_qwt_magnifier.html#a03d892c58039fc864a452b7c636a1df7">QwtMagnifier::setEnabled</a></div><div class="ttdeci">void setEnabled(bool)</div><div class="ttdoc">En/disable the magnifier.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00092">qwt_magnifier.cpp:92</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a095a8cc622175fafc5b3cc6eb274af07"><div class="ttname"><a href="class_qwt_magnifier.html#a095a8cc622175fafc5b3cc6eb274af07">QwtMagnifier::setZoomOutKey</a></div><div class="ttdeci">void setZoomOutKey(int key, Qt::KeyboardModifiers=Qt::NoModifier)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00280">qwt_magnifier.cpp:280</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a0df893ea54dbb2a1967248740a1db84f"><div class="ttname"><a href="class_qwt_magnifier.html#a0df893ea54dbb2a1967248740a1db84f">QwtMagnifier::getZoomInKey</a></div><div class="ttdeci">void getZoomInKey(int &key, Qt::KeyboardModifiers &) const</div><div class="ttdoc">Retrieve the settings of the zoom in key.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00265">qwt_magnifier.cpp:265</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a236762870830cc0621411c173472392b"><div class="ttname"><a href="class_qwt_magnifier.html#a236762870830cc0621411c173472392b">QwtMagnifier::widgetWheelEvent</a></div><div class="ttdeci">virtual void widgetWheelEvent(QWheelEvent *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00431">qwt_magnifier.cpp:431</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a282d3c040136ad97586ac73c37151508"><div class="ttname"><a href="class_qwt_magnifier.html#a282d3c040136ad97586ac73c37151508">QwtMagnifier::mouseFactor</a></div><div class="ttdeci">double mouseFactor() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00188">qwt_magnifier.cpp:188</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a382cec084a2bfc0610ca500121205f04"><div class="ttname"><a href="class_qwt_magnifier.html#a382cec084a2bfc0610ca500121205f04">QwtMagnifier::widgetKeyPressEvent</a></div><div class="ttdeci">virtual void widgetKeyPressEvent(QKeyEvent *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00473">qwt_magnifier.cpp:473</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a479fca5465debe4c4d538bd350a7f182"><div class="ttname"><a href="class_qwt_magnifier.html#a479fca5465debe4c4d538bd350a7f182">QwtMagnifier::wheelModifiers</a></div><div class="ttdeci">Qt::KeyboardModifiers wheelModifiers() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00164">qwt_magnifier.cpp:164</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a4eb68b98b063cc14b7839f02f8671dfc"><div class="ttname"><a href="class_qwt_magnifier.html#a4eb68b98b063cc14b7839f02f8671dfc">QwtMagnifier::widgetMouseMoveEvent</a></div><div class="ttdeci">virtual void widgetMouseMoveEvent(QMouseEvent *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00407">qwt_magnifier.cpp:407</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a56b7ad2366a7f908c38bc2a994acde16"><div class="ttname"><a href="class_qwt_magnifier.html#a56b7ad2366a7f908c38bc2a994acde16">QwtMagnifier::parentWidget</a></div><div class="ttdeci">QWidget * parentWidget()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00499">qwt_magnifier.cpp:499</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a5930b3ec00ae99883f36cf8bf568cbf7"><div class="ttname"><a href="class_qwt_magnifier.html#a5930b3ec00ae99883f36cf8bf568cbf7">QwtMagnifier::widgetMousePressEvent</a></div><div class="ttdeci">virtual void widgetMousePressEvent(QMouseEvent *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00365">qwt_magnifier.cpp:365</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a5c3d5bda10412a50bd403afe84e2ccee"><div class="ttname"><a href="class_qwt_magnifier.html#a5c3d5bda10412a50bd403afe84e2ccee">QwtMagnifier::rescale</a></div><div class="ttdeci">virtual void rescale(double factor)=0</div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a64f88257b2432d21f5fc62e7fd9c0fde"><div class="ttname"><a href="class_qwt_magnifier.html#a64f88257b2432d21f5fc62e7fd9c0fde">QwtMagnifier::isEnabled</a></div><div class="ttdeci">bool isEnabled() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00113">qwt_magnifier.cpp:113</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a8793ae263bf2c96db8eb7d2942f01974"><div class="ttname"><a href="class_qwt_magnifier.html#a8793ae263bf2c96db8eb7d2942f01974">QwtMagnifier::getMouseButton</a></div><div class="ttdeci">void getMouseButton(Qt::MouseButton &, Qt::KeyboardModifiers &) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00210">qwt_magnifier.cpp:210</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a9bf2df5d0a0087e967c8674618466da2"><div class="ttname"><a href="class_qwt_magnifier.html#a9bf2df5d0a0087e967c8674618466da2">QwtMagnifier::wheelFactor</a></div><div class="ttdeci">double wheelFactor() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00143">qwt_magnifier.cpp:143</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_aa11b927c72e0421570a137f0fa1cfb7b"><div class="ttname"><a href="class_qwt_magnifier.html#aa11b927c72e0421570a137f0fa1cfb7b">QwtMagnifier::QwtMagnifier</a></div><div class="ttdeci">QwtMagnifier(QWidget *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00063">qwt_magnifier.cpp:63</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_aa7cc31995444ca8dd8412b8a6dab7b93"><div class="ttname"><a href="class_qwt_magnifier.html#aa7cc31995444ca8dd8412b8a6dab7b93">QwtMagnifier::widgetMouseReleaseEvent</a></div><div class="ttdeci">virtual void widgetMouseReleaseEvent(QMouseEvent *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00390">qwt_magnifier.cpp:390</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_aadfc853d8619b43b21564d8d5fe50093"><div class="ttname"><a href="class_qwt_magnifier.html#aadfc853d8619b43b21564d8d5fe50093">QwtMagnifier::setWheelModifiers</a></div><div class="ttdeci">void setWheelModifiers(Qt::KeyboardModifiers)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00155">qwt_magnifier.cpp:155</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_ac079b44e124fdaba1d894ef519bc4e4f"><div class="ttname"><a href="class_qwt_magnifier.html#ac079b44e124fdaba1d894ef519bc4e4f">QwtMagnifier::setKeyFactor</a></div><div class="ttdeci">void setKeyFactor(double)</div><div class="ttdoc">Change the key factor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00228">qwt_magnifier.cpp:228</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_ac18a7858407951a335399ee6969a50da"><div class="ttname"><a href="class_qwt_magnifier.html#ac18a7858407951a335399ee6969a50da">QwtMagnifier::~QwtMagnifier</a></div><div class="ttdeci">virtual ~QwtMagnifier()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00078">qwt_magnifier.cpp:78</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_ad1192dfc87ec7b451d3dfa982cc0e602"><div class="ttname"><a href="class_qwt_magnifier.html#ad1192dfc87ec7b451d3dfa982cc0e602">QwtMagnifier::getZoomOutKey</a></div><div class="ttdeci">void getZoomOutKey(int &key, Qt::KeyboardModifiers &) const</div><div class="ttdoc">Retrieve the settings of the zoom out key.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00295">qwt_magnifier.cpp:295</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_ad814a5d9cb227d6fb56f8289dffe597c"><div class="ttname"><a href="class_qwt_magnifier.html#ad814a5d9cb227d6fb56f8289dffe597c">QwtMagnifier::setMouseButton</a></div><div class="ttdeci">void setMouseButton(Qt::MouseButton, Qt::KeyboardModifiers=Qt::NoModifier)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00202">qwt_magnifier.cpp:202</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_ada5dac479dc1e69c04760bb7dc197ac9"><div class="ttname"><a href="class_qwt_magnifier.html#ada5dac479dc1e69c04760bb7dc197ac9">QwtMagnifier::setMouseFactor</a></div><div class="ttdeci">void setMouseFactor(double)</div><div class="ttdoc">Change the mouse factor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00179">qwt_magnifier.cpp:179</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_ae29e88684303d3bf587e9b5338267111"><div class="ttname"><a href="class_qwt_magnifier.html#ae29e88684303d3bf587e9b5338267111">QwtMagnifier::keyFactor</a></div><div class="ttdeci">double keyFactor() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00237">qwt_magnifier.cpp:237</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_ae3a33ab8776ed2122fecc821a32bb36a"><div class="ttname"><a href="class_qwt_magnifier.html#ae3a33ab8776ed2122fecc821a32bb36a">QwtMagnifier::setWheelFactor</a></div><div class="ttdeci">void setWheelFactor(double)</div><div class="ttdoc">Change the wheel factor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00134">qwt_magnifier.cpp:134</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_af84037c68c9b88263d1c27bb648cf9ff"><div class="ttname"><a href="class_qwt_magnifier.html#af84037c68c9b88263d1c27bb648cf9ff">QwtMagnifier::widgetKeyReleaseEvent</a></div><div class="ttdeci">virtual void widgetKeyReleaseEvent(QKeyEvent *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00493">qwt_magnifier.cpp:493</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_af90d8c4b5915635957b636d502611740"><div class="ttname"><a href="class_qwt_magnifier.html#af90d8c4b5915635957b636d502611740">QwtMagnifier::eventFilter</a></div><div class="ttdeci">virtual bool eventFilter(QObject *, QEvent *) override</div><div class="ttdoc">Event filter.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00317">qwt_magnifier.cpp:317</a></div></div>
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