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<div class="title">qwt_arrow_button.cpp</div> </div>
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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_arrow_button.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "qwt.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 <qpainter.h></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <qstyle.h></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <qstyleoption.h></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <qevent.h></span></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">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> MaxNum = 3;</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> Margin = 2;</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> Spacing = 1;</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">class </span>QwtArrowButton::PrivateData</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> {</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordtype">int</span> <a class="code" href="class_qwt_arrow_button.html#a680ecdc99fdc5971ddfabc643e1ed52a">num</a>;</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  Qt::ArrowType <a class="code" href="class_qwt_arrow_button.html#a7e9b1a97e6f6281aee4ada6293931d90">arrowType</a>;</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> };</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">static</span> QStyleOptionButton styleOpt( <span class="keyword">const</span> <a class="code" href="class_qwt_arrow_button.html">QwtArrowButton</a>* btn )</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> {</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  QStyleOptionButton option;</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  option.initFrom( btn );</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  option.features = QStyleOptionButton::None;</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">if</span> ( btn->isFlat() )</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  option.features |= QStyleOptionButton::Flat;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">if</span> ( btn->menu() )</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  option.features |= QStyleOptionButton::HasMenu;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">if</span> ( btn->autoDefault() || btn->isDefault() )</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  option.features |= QStyleOptionButton::AutoDefaultButton;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span> ( btn->isDefault() )</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  option.features |= QStyleOptionButton::DefaultButton;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> ( btn->isDown() )</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  option.state |= QStyle::State_Sunken;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">if</span> ( !btn->isFlat() && !btn->isDown() )</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  option.state |= QStyle::State_Raised;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> option;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> }</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
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<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="class_qwt_arrow_button.html#ab0ad5aefdd56db10976796be717671e9"> 55</a></span> <a class="code" href="class_qwt_arrow_button.html#ab0ad5aefdd56db10976796be717671e9">QwtArrowButton::QwtArrowButton</a>( <span class="keywordtype">int</span> num, Qt::ArrowType arrowType, QWidget* parent )</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  : QPushButton( parent )</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>  m_data = <span class="keyword">new</span> PrivateData;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  m_data->num = qBound( 1, <a class="code" href="class_qwt_arrow_button.html#a680ecdc99fdc5971ddfabc643e1ed52a">num</a>, MaxNum );</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  m_data->arrowType = <a class="code" href="class_qwt_arrow_button.html#a7e9b1a97e6f6281aee4ada6293931d90">arrowType</a>;</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  setAutoRepeat( <span class="keyword">true</span> );</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  setAutoDefault( <span class="keyword">false</span> );</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">switch</span> ( m_data->arrowType )</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">case</span> Qt::LeftArrow:</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">case</span> Qt::RightArrow:</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  setSizePolicy( QSizePolicy::Expanding,</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  QSizePolicy::Fixed );</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  setSizePolicy( QSizePolicy::Fixed,</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  QSizePolicy::Expanding );</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="l00077"></a><span class="lineno"> 77</span>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="class_qwt_arrow_button.html#a506ab071fa7ee92928ace7dcea774a73"> 79</a></span> <a class="code" href="class_qwt_arrow_button.html#a506ab071fa7ee92928ace7dcea774a73">QwtArrowButton::~QwtArrowButton</a>()</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> {</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">delete</span> m_data;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  m_data = NULL;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> }</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
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<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="class_qwt_arrow_button.html#a7e9b1a97e6f6281aee4ada6293931d90"> 88</a></span> Qt::ArrowType <a class="code" href="class_qwt_arrow_button.html#a7e9b1a97e6f6281aee4ada6293931d90">QwtArrowButton::arrowType</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> m_data->arrowType;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> }</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
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<div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="class_qwt_arrow_button.html#a680ecdc99fdc5971ddfabc643e1ed52a"> 96</a></span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_arrow_button.html#a680ecdc99fdc5971ddfabc643e1ed52a">QwtArrowButton::num</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> m_data->num;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> }</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="l00104"></a><span class="lineno"><a class="line" href="class_qwt_arrow_button.html#a5f4449198f900946579c843ff56e0a5a"> 104</a></span> QRect <a class="code" href="class_qwt_arrow_button.html#a5f4449198f900946579c843ff56e0a5a">QwtArrowButton::labelRect</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> m = Margin;</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>  QRect r = rect();</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  r.setRect( r.x() + m, r.y() + m,</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  r.width() - 2 * m, r.height() - 2 * m );</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span> ( isDown() )</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  {</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  QStyleOptionButton option = styleOpt( <span class="keyword">this</span> );</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> ph = style()->pixelMetric(</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  QStyle::PM_ButtonShiftHorizontal, &option, <span class="keyword">this</span> );</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> pv = style()->pixelMetric(</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  QStyle::PM_ButtonShiftVertical, &option, <span class="keyword">this</span> );</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  r.translate( ph, pv );</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> r;</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> }</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
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<div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="class_qwt_arrow_button.html#a65e03e4c642b7b05d81456e5015c7a4f"> 130</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_arrow_button.html#a65e03e4c642b7b05d81456e5015c7a4f">QwtArrowButton::paintEvent</a>( QPaintEvent* event )</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> {</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  QPushButton::paintEvent( event );</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  QPainter painter( <span class="keyword">this</span> );</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="class_qwt_arrow_button.html#afa3b1930046c73aa764caced4aa09c45">drawButtonLabel</a>( &painter );</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>  </div>
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<div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="class_qwt_arrow_button.html#afa3b1930046c73aa764caced4aa09c45"> 143</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_arrow_button.html#afa3b1930046c73aa764caced4aa09c45">QwtArrowButton::drawButtonLabel</a>( QPainter* painter )</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> {</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> isVertical = m_data->arrowType == Qt::UpArrow ||</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  m_data->arrowType == Qt::DownArrow;</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="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> QRect r = <a class="code" href="class_qwt_arrow_button.html#a5f4449198f900946579c843ff56e0a5a">labelRect</a>();</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  QSize boundingSize = <a class="code" href="class_qwt_arrow_button.html#a5f4449198f900946579c843ff56e0a5a">labelRect</a>().size();</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> ( isVertical )</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  boundingSize.transpose();</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> w =</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  ( boundingSize.width() - ( MaxNum - 1 ) * Spacing ) / MaxNum;</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  QSize arrow = <a class="code" href="class_qwt_arrow_button.html#a018b7b1a6c1e2b74f8edcb0421310cfa">arrowSize</a>( Qt::RightArrow,</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  QSize( w, boundingSize.height() ) );</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>  <span class="keywordflow">if</span> ( isVertical )</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  arrow.transpose();</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  QRect contentsSize; <span class="comment">// aligned rect where to paint all arrows</span></div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> ( m_data->arrowType == Qt::LeftArrow || m_data->arrowType == Qt::RightArrow )</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  {</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  contentsSize.setWidth( m_data->num * arrow.width()</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  + ( m_data->num - 1 ) * Spacing );</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  contentsSize.setHeight( arrow.height() );</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="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  {</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  contentsSize.setWidth( arrow.width() );</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  contentsSize.setHeight( m_data->num * arrow.height()</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  + ( m_data->num - 1 ) * Spacing );</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  QRect arrowRect( contentsSize );</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  arrowRect.moveCenter( r.center() );</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  arrowRect.setSize( arrow );</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  </div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  painter->save();</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < m_data->num; i++ )</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>  <a class="code" href="class_qwt_arrow_button.html#a54c272f2ca19627613415fb5e0bf0b88">drawArrow</a>( painter, arrowRect, m_data->arrowType );</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  </div>
|
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordtype">int</span> dx = 0;</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordtype">int</span> dy = 0;</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span> ( isVertical )</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  dy = arrow.height() + Spacing;</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  dx = arrow.width() + Spacing;</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="l00193"></a><span class="lineno"> 193</span>  arrowRect.translate( dx, dy );</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  painter->restore();</div>
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|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> ( hasFocus() )</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  {</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  QStyleOptionFocusRect option;</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  option.initFrom( <span class="keyword">this</span> );</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  option.backgroundColor = palette().color( QPalette::Window );</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  </div>
|
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  style()->drawPrimitive( QStyle::PE_FrameFocusRect,</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  &option, painter, <span class="keyword">this</span> );</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  }</div>
|
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> }</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="l00215"></a><span class="lineno"><a class="line" href="class_qwt_arrow_button.html#a54c272f2ca19627613415fb5e0bf0b88"> 215</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_arrow_button.html#a54c272f2ca19627613415fb5e0bf0b88">QwtArrowButton::drawArrow</a>( QPainter* painter,</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">const</span> QRect& r, Qt::ArrowType arrowType )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  QPolygon pa( 3 );</div>
|
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  </div>
|
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">switch</span> ( <a class="code" href="class_qwt_arrow_button.html#a7e9b1a97e6f6281aee4ada6293931d90">arrowType</a> )</div>
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|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  {</div>
|
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">case</span> Qt::UpArrow:</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  pa.setPoint( 0, r.bottomLeft() );</div>
|
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  pa.setPoint( 1, r.bottomRight() );</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  pa.setPoint( 2, r.center().x(), r.top() );</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">case</span> Qt::DownArrow:</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  pa.setPoint( 0, r.topLeft() );</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  pa.setPoint( 1, r.topRight() );</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  pa.setPoint( 2, r.center().x(), r.bottom() );</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">case</span> Qt::RightArrow:</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  pa.setPoint( 0, r.topLeft() );</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  pa.setPoint( 1, r.bottomLeft() );</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  pa.setPoint( 2, r.right(), r.center().y() );</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">case</span> Qt::LeftArrow:</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  pa.setPoint( 0, r.topRight() );</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  pa.setPoint( 1, r.bottomRight() );</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  pa.setPoint( 2, r.left(), r.center().y() );</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  </div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  painter->save();</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  </div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  painter->setRenderHint( QPainter::Antialiasing, <span class="keyword">true</span> );</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  painter->setPen( Qt::NoPen );</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  painter->setBrush( palette().brush( QPalette::ButtonText ) );</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  painter->drawPolygon( pa );</div>
|
|
<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>  painter->restore();</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> }</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"><a class="line" href="class_qwt_arrow_button.html#ad5a3219f323182a3d393b1577f5d75f9"> 259</a></span> QSize <a class="code" href="class_qwt_arrow_button.html#ad5a3219f323182a3d393b1577f5d75f9">QwtArrowButton::sizeHint</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keyword">const</span> QSize hint = <a class="code" href="class_qwt_arrow_button.html#abd6cda5f2bafeff8ca8438ad1ff43776">minimumSizeHint</a>();</div>
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|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">return</span> qwtExpandedToGlobalStrut( hint );</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> }</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div>
|
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<div class="line"><a name="l00268"></a><span class="lineno"><a class="line" href="class_qwt_arrow_button.html#abd6cda5f2bafeff8ca8438ad1ff43776"> 268</a></span> QSize <a class="code" href="class_qwt_arrow_button.html#abd6cda5f2bafeff8ca8438ad1ff43776">QwtArrowButton::minimumSizeHint</a>()<span class="keyword"> const</span></div>
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|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keyword">const</span> QSize asz = <a class="code" href="class_qwt_arrow_button.html#a018b7b1a6c1e2b74f8edcb0421310cfa">arrowSize</a>( Qt::RightArrow, QSize() );</div>
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|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  </div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  QSize sz(</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  2 * Margin + ( MaxNum - 1 ) * Spacing + MaxNum * asz.width(),</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  2 * Margin + asz.height()</div>
|
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  );</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  </div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">if</span> ( m_data->arrowType == Qt::UpArrow || m_data->arrowType == Qt::DownArrow )</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  sz.transpose();</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  </div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  QStyleOption styleOption;</div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  styleOption.initFrom( <span class="keyword">this</span> );</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>  sz = style()->sizeFromContents( QStyle::CT_PushButton,</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  &styleOption, sz, <span class="keyword">this</span> );</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>  <span class="keywordflow">return</span> sz;</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> }</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  </div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"><a class="line" href="class_qwt_arrow_button.html#a018b7b1a6c1e2b74f8edcb0421310cfa"> 296</a></span> QSize <a class="code" href="class_qwt_arrow_button.html#a018b7b1a6c1e2b74f8edcb0421310cfa">QwtArrowButton::arrowSize</a>( Qt::ArrowType arrowType,</div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keyword">const</span> QSize& boundingSize )<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  QSize bs = boundingSize;</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_arrow_button.html#a7e9b1a97e6f6281aee4ada6293931d90">arrowType</a> == Qt::UpArrow || <a class="code" href="class_qwt_arrow_button.html#a7e9b1a97e6f6281aee4ada6293931d90">arrowType</a> == Qt::DownArrow )</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  bs.transpose();</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  </div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> MinLen = 2;</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keyword">const</span> QSize sz = bs.expandedTo(</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  QSize( MinLen, 2 * MinLen - 1 ) ); <span class="comment">// minimum</span></div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  </div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordtype">int</span> w = sz.width();</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordtype">int</span> h = 2 * w - 1;</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">if</span> ( h > sz.height() )</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  {</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  h = sz.height();</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  w = ( h + 1 ) / 2;</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  }</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  </div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  QSize arrSize( w, h );</div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_arrow_button.html#a7e9b1a97e6f6281aee4ada6293931d90">arrowType</a> == Qt::UpArrow || <a class="code" href="class_qwt_arrow_button.html#a7e9b1a97e6f6281aee4ada6293931d90">arrowType</a> == Qt::DownArrow )</div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  arrSize.transpose();</div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  </div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">return</span> arrSize;</div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> }</div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  </div>
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<div class="line"><a name="l00326"></a><span class="lineno"><a class="line" href="class_qwt_arrow_button.html#a1b5b90cd3f72007d66cfb1e635eb62f8"> 326</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_arrow_button.html#a1b5b90cd3f72007d66cfb1e635eb62f8">QwtArrowButton::keyPressEvent</a>( QKeyEvent* event )</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> {</div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">if</span> ( event->isAutoRepeat() && event->key() == Qt::Key_Space )</div>
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<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  Q_EMIT clicked();</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  </div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  QPushButton::keyPressEvent( event );</div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> }</div>
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<div class="ttc" id="aclass_qwt_arrow_button_html"><div class="ttname"><a href="class_qwt_arrow_button.html">QwtArrowButton</a></div><div class="ttdoc">Arrow Button.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__arrow__button_8h_source.html#l00023">qwt_arrow_button.h:24</a></div></div>
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<div class="ttc" id="aclass_qwt_arrow_button_html_a018b7b1a6c1e2b74f8edcb0421310cfa"><div class="ttname"><a href="class_qwt_arrow_button.html#a018b7b1a6c1e2b74f8edcb0421310cfa">QwtArrowButton::arrowSize</a></div><div class="ttdeci">virtual QSize arrowSize(Qt::ArrowType, const QSize &boundingSize) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__arrow__button_8cpp_source.html#l00296">qwt_arrow_button.cpp:296</a></div></div>
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<div class="ttc" id="aclass_qwt_arrow_button_html_a1b5b90cd3f72007d66cfb1e635eb62f8"><div class="ttname"><a href="class_qwt_arrow_button.html#a1b5b90cd3f72007d66cfb1e635eb62f8">QwtArrowButton::keyPressEvent</a></div><div class="ttdeci">virtual void keyPressEvent(QKeyEvent *) override</div><div class="ttdoc">autoRepeat for the space keys</div><div class="ttdef"><b>Definition:</b> <a href="qwt__arrow__button_8cpp_source.html#l00326">qwt_arrow_button.cpp:326</a></div></div>
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<div class="ttc" id="aclass_qwt_arrow_button_html_a506ab071fa7ee92928ace7dcea774a73"><div class="ttname"><a href="class_qwt_arrow_button.html#a506ab071fa7ee92928ace7dcea774a73">QwtArrowButton::~QwtArrowButton</a></div><div class="ttdeci">virtual ~QwtArrowButton()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__arrow__button_8cpp_source.html#l00079">qwt_arrow_button.cpp:79</a></div></div>
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<div class="ttc" id="aclass_qwt_arrow_button_html_a54c272f2ca19627613415fb5e0bf0b88"><div class="ttname"><a href="class_qwt_arrow_button.html#a54c272f2ca19627613415fb5e0bf0b88">QwtArrowButton::drawArrow</a></div><div class="ttdeci">virtual void drawArrow(QPainter *, const QRect &, Qt::ArrowType) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__arrow__button_8cpp_source.html#l00215">qwt_arrow_button.cpp:215</a></div></div>
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<div class="ttc" id="aclass_qwt_arrow_button_html_a5f4449198f900946579c843ff56e0a5a"><div class="ttname"><a href="class_qwt_arrow_button.html#a5f4449198f900946579c843ff56e0a5a">QwtArrowButton::labelRect</a></div><div class="ttdeci">virtual QRect labelRect() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__arrow__button_8cpp_source.html#l00104">qwt_arrow_button.cpp:104</a></div></div>
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<div class="ttc" id="aclass_qwt_arrow_button_html_a65e03e4c642b7b05d81456e5015c7a4f"><div class="ttname"><a href="class_qwt_arrow_button.html#a65e03e4c642b7b05d81456e5015c7a4f">QwtArrowButton::paintEvent</a></div><div class="ttdeci">virtual void paintEvent(QPaintEvent *) override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__arrow__button_8cpp_source.html#l00130">qwt_arrow_button.cpp:130</a></div></div>
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<div class="ttc" id="aclass_qwt_arrow_button_html_a680ecdc99fdc5971ddfabc643e1ed52a"><div class="ttname"><a href="class_qwt_arrow_button.html#a680ecdc99fdc5971ddfabc643e1ed52a">QwtArrowButton::num</a></div><div class="ttdeci">int num() const</div><div class="ttdoc">The number of arrows.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__arrow__button_8cpp_source.html#l00096">qwt_arrow_button.cpp:96</a></div></div>
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<div class="ttc" id="aclass_qwt_arrow_button_html_a7e9b1a97e6f6281aee4ada6293931d90"><div class="ttname"><a href="class_qwt_arrow_button.html#a7e9b1a97e6f6281aee4ada6293931d90">QwtArrowButton::arrowType</a></div><div class="ttdeci">Qt::ArrowType arrowType() const</div><div class="ttdoc">The direction of the arrows.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__arrow__button_8cpp_source.html#l00088">qwt_arrow_button.cpp:88</a></div></div>
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<div class="ttc" id="aclass_qwt_arrow_button_html_ab0ad5aefdd56db10976796be717671e9"><div class="ttname"><a href="class_qwt_arrow_button.html#ab0ad5aefdd56db10976796be717671e9">QwtArrowButton::QwtArrowButton</a></div><div class="ttdeci">QwtArrowButton(int num, Qt::ArrowType, QWidget *parent=NULL)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__arrow__button_8cpp_source.html#l00055">qwt_arrow_button.cpp:55</a></div></div>
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<div class="ttc" id="aclass_qwt_arrow_button_html_abd6cda5f2bafeff8ca8438ad1ff43776"><div class="ttname"><a href="class_qwt_arrow_button.html#abd6cda5f2bafeff8ca8438ad1ff43776">QwtArrowButton::minimumSizeHint</a></div><div class="ttdeci">virtual QSize minimumSizeHint() const override</div><div class="ttdoc">Return a minimum size hint.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__arrow__button_8cpp_source.html#l00268">qwt_arrow_button.cpp:268</a></div></div>
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<div class="ttc" id="aclass_qwt_arrow_button_html_ad5a3219f323182a3d393b1577f5d75f9"><div class="ttname"><a href="class_qwt_arrow_button.html#ad5a3219f323182a3d393b1577f5d75f9">QwtArrowButton::sizeHint</a></div><div class="ttdeci">virtual QSize sizeHint() const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__arrow__button_8cpp_source.html#l00259">qwt_arrow_button.cpp:259</a></div></div>
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<div class="ttc" id="aclass_qwt_arrow_button_html_afa3b1930046c73aa764caced4aa09c45"><div class="ttname"><a href="class_qwt_arrow_button.html#afa3b1930046c73aa764caced4aa09c45">QwtArrowButton::drawButtonLabel</a></div><div class="ttdeci">virtual void drawButtonLabel(QPainter *)</div><div class="ttdoc">Draw the button label.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__arrow__button_8cpp_source.html#l00143">qwt_arrow_button.cpp:143</a></div></div>
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