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<h1>spinbox2.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> *  spinbox2.cpp  -  spin box with extra pair of spin buttons (for Qt 3)</span>
<a name="l00003"></a>00003 <span class="comment"> *  Program:  kalarm</span>
<a name="l00004"></a>00004 <span class="comment"> *  Copyright (c) 2001 - 2005 by David Jarvie &lt;software@astrojar.org.uk&gt;</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> *  This program is free software; you can redistribute it and/or modify</span>
<a name="l00007"></a>00007 <span class="comment"> *  it under the terms of the GNU General Public License as published by</span>
<a name="l00008"></a>00008 <span class="comment"> *  the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00009"></a>00009 <span class="comment"> *  (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> *  This program is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> *  but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00014"></a>00014 <span class="comment"> *  GNU General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> *  You should have received a copy of the GNU General Public License along</span>
<a name="l00017"></a>00017 <span class="comment"> *  with this program; if not, write to the Free Software Foundation, Inc.,</span>
<a name="l00018"></a>00018 <span class="comment"> *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020 
<a name="l00021"></a>00021 <span class="preprocessor">#include &lt;qglobal.h&gt;</span>
<a name="l00022"></a>00022 
<a name="l00023"></a>00023 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
<a name="l00024"></a>00024 
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;qstyle.h&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;qobjectlist.h&gt;</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include &lt;qapplication.h&gt;</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include &lt;qpixmap.h&gt;</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include &lt;qwmatrix.h&gt;</span>
<a name="l00030"></a>00030 
<a name="l00031"></a>00031 <span class="preprocessor">#include "spinbox2.moc"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "spinbox2private.moc"</span>
<a name="l00033"></a>00033 
<a name="l00034"></a>00034 
<a name="l00035"></a>00035 <span class="comment">/*  List of styles which need to display the extra pair of spin buttons as a</span>
<a name="l00036"></a>00036 <span class="comment"> *  left-to-right mirror image. This is only necessary when, for example, the</span>
<a name="l00037"></a>00037 <span class="comment"> *  corners of widgets are rounded. For most styles, it is better not to mirror</span>
<a name="l00038"></a>00038 <span class="comment"> *  the spin widgets so as to keep the normal lighting/shading on either side.</span>
<a name="l00039"></a>00039 <span class="comment"> */</span>
<a name="l00040"></a>00040 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* mirrorStyles[] = {
<a name="l00041"></a>00041     <span class="stringliteral">"PlastikStyle"</span>,
<a name="l00042"></a>00042     0     <span class="comment">// list terminator</span>
<a name="l00043"></a>00043 };
<a name="l00044"></a>00044 <span class="keyword">static</span> <span class="keywordtype">bool</span> mirrorStyle(<span class="keyword">const</span> QStyle&amp;);
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 <span class="keywordtype">int</span> SpinBox2::mReverseLayout = -1;
<a name="l00048"></a>00048 
<a name="l00049"></a><a class="code" href="classSpinBox2.html#f27fc972e124affcdde99513ad96ed1e">00049</a> <a class="code" href="classSpinBox2.html#f27fc972e124affcdde99513ad96ed1e" title="Constructor.">SpinBox2::SpinBox2</a>(QWidget* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name)
<a name="l00050"></a>00050     : QFrame(parent, name),
<a name="l00051"></a>00051       mReverseWithLayout(true)
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053     mUpdown2Frame = <span class="keyword">new</span> QFrame(<span class="keyword">this</span>);
<a name="l00054"></a>00054     mSpinboxFrame = <span class="keyword">new</span> QFrame(<span class="keyword">this</span>);
<a name="l00055"></a>00055     mUpdown2 = <span class="keyword">new</span> ExtraSpinBox(mUpdown2Frame, <span class="stringliteral">"updown2"</span>);
<a name="l00056"></a>00056 <span class="comment">//  mSpinbox = new MainSpinBox(0, 1, 1, this, mSpinboxFrame);</span>
<a name="l00057"></a>00057     mSpinbox = <span class="keyword">new</span> MainSpinBox(<span class="keyword">this</span>, mSpinboxFrame);
<a name="l00058"></a>00058     init();
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060 
<a name="l00061"></a><a class="code" href="classSpinBox2.html#94ac1357de27d568015355f74e8b42aa">00061</a> <a class="code" href="classSpinBox2.html#f27fc972e124affcdde99513ad96ed1e" title="Constructor.">SpinBox2::SpinBox2</a>(<span class="keywordtype">int</span> <a class="code" href="classSpinBox2.html#24787abcfb292da29508c83bb576d12c" title="Returns the minimum value of the spin box.">minValue</a>, <span class="keywordtype">int</span> <a class="code" href="classSpinBox2.html#6ba6fa2d29504bac439ad6195b75df2e" title="Returns the maximum value of the spin box.">maxValue</a>, <span class="keywordtype">int</span> step, <span class="keywordtype">int</span> step2, QWidget* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name)
<a name="l00062"></a>00062     : QFrame(parent, name),
<a name="l00063"></a>00063       mReverseWithLayout(true)
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065     mUpdown2Frame = <span class="keyword">new</span> QFrame(<span class="keyword">this</span>);
<a name="l00066"></a>00066     mSpinboxFrame = <span class="keyword">new</span> QFrame(<span class="keyword">this</span>);
<a name="l00067"></a>00067     mUpdown2 = <span class="keyword">new</span> ExtraSpinBox(minValue, maxValue, step2, mUpdown2Frame, <span class="stringliteral">"updown2"</span>);
<a name="l00068"></a>00068     mSpinbox = <span class="keyword">new</span> MainSpinBox(minValue, maxValue, step, <span class="keyword">this</span>, mSpinboxFrame);
<a name="l00069"></a>00069     <a class="code" href="classSpinBox2.html#6db1d1b35ef216f815d9ec15711054f9" title="Sets the unshifted step increments for the two pairs of spin buttons, i.e.">setSteps</a>(step, step2);
<a name="l00070"></a>00070     init();
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072 
<a name="l00073"></a>00073 <span class="keywordtype">void</span> SpinBox2::init()
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075     <span class="keywordflow">if</span> (mReverseLayout &lt; 0)
<a name="l00076"></a>00076         mReverseLayout = QApplication::reverseLayout() ? 1 : 0;
<a name="l00077"></a>00077     mMinValue      = mSpinbox-&gt;minValue();
<a name="l00078"></a>00078     mMaxValue      = mSpinbox-&gt;maxValue();
<a name="l00079"></a>00079     mLineStep      = mSpinbox-&gt;lineStep();
<a name="l00080"></a>00080     mLineShiftStep = mSpinbox-&gt;lineShiftStep();
<a name="l00081"></a>00081     mPageStep      = mUpdown2-&gt;lineStep();
<a name="l00082"></a>00082     mPageShiftStep = mUpdown2-&gt;lineShiftStep();
<a name="l00083"></a>00083     mSpinbox-&gt;setSelectOnStep(<span class="keyword">false</span>);    <span class="comment">// default</span>
<a name="l00084"></a>00084     mUpdown2-&gt;setSelectOnStep(<span class="keyword">false</span>);    <span class="comment">// always false</span>
<a name="l00085"></a>00085     setFocusProxy(mSpinbox);
<a name="l00086"></a>00086     mUpdown2-&gt;setFocusPolicy(QWidget::NoFocus);
<a name="l00087"></a>00087     mSpinMirror = <span class="keyword">new</span> SpinMirror(mUpdown2, <span class="keyword">this</span>);
<a name="l00088"></a>00088     <span class="keywordflow">if</span> (!mirrorStyle(style()))
<a name="l00089"></a>00089         mSpinMirror-&gt;hide();    <span class="comment">// hide mirrored spin buttons when they are inappropriate</span>
<a name="l00090"></a>00090     connect(mSpinbox, SIGNAL(<a class="code" href="classSpinBox2.html#3707364129b2435d585abebc62c7d82a" title="Signal which is emitted whenever the value of the spin box changes.">valueChanged</a>(<span class="keywordtype">int</span>)), SLOT(valueChange()));
<a name="l00091"></a>00091     connect(mSpinbox, SIGNAL(<a class="code" href="classSpinBox2.html#3707364129b2435d585abebc62c7d82a" title="Signal which is emitted whenever the value of the spin box changes.">valueChanged</a>(<span class="keywordtype">int</span>)), SIGNAL(<a class="code" href="classSpinBox2.html#3707364129b2435d585abebc62c7d82a" title="Signal which is emitted whenever the value of the spin box changes.">valueChanged</a>(<span class="keywordtype">int</span>)));
<a name="l00092"></a>00092     connect(mSpinbox, SIGNAL(<a class="code" href="classSpinBox2.html#3707364129b2435d585abebc62c7d82a" title="Signal which is emitted whenever the value of the spin box changes.">valueChanged</a>(<span class="keyword">const</span> QString&amp;)), SIGNAL(<a class="code" href="classSpinBox2.html#3707364129b2435d585abebc62c7d82a" title="Signal which is emitted whenever the value of the spin box changes.">valueChanged</a>(<span class="keyword">const</span> QString&amp;)));
<a name="l00093"></a>00093     connect(mUpdown2, SIGNAL(stepped(<span class="keywordtype">int</span>)), SLOT(stepPage(<span class="keywordtype">int</span>)));
<a name="l00094"></a>00094     connect(mUpdown2, SIGNAL(styleUpdated()), SLOT(updateMirror()));
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 
<a name="l00097"></a><a class="code" href="classSpinBox2.html#a47a99cba06202e8fd366657d9e334f6">00097</a> <span class="keywordtype">void</span> <a class="code" href="classSpinBox2.html#a47a99cba06202e8fd366657d9e334f6" title="Sets whether the spin box can be changed by the user.">SpinBox2::setReadOnly</a>(<span class="keywordtype">bool</span> ro)
<a name="l00098"></a>00098 {
<a name="l00099"></a>00099     <span class="keywordflow">if</span> (static_cast&lt;int&gt;(ro) != static_cast&lt;int&gt;(mSpinbox-&gt;isReadOnly()))
<a name="l00100"></a>00100     {
<a name="l00101"></a>00101         mSpinbox-&gt;setReadOnly(ro);
<a name="l00102"></a>00102         mUpdown2-&gt;setReadOnly(ro);
<a name="l00103"></a>00103         mSpinMirror-&gt;setReadOnly(ro);
<a name="l00104"></a>00104     }
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106 
<a name="l00107"></a><a class="code" href="classSpinBox2.html#755926e228b28affff5fa91f85a67d41">00107</a> <span class="keywordtype">void</span> <a class="code" href="classSpinBox2.html#755926e228b28affff5fa91f85a67d41" title="Sets whether the spin button pairs should be reversed for a right-to-left language...">SpinBox2::setReverseWithLayout</a>(<span class="keywordtype">bool</span> reverse)
<a name="l00108"></a>00108 {
<a name="l00109"></a>00109     <span class="keywordflow">if</span> (reverse != mReverseWithLayout)
<a name="l00110"></a>00110     {
<a name="l00111"></a>00111         mReverseWithLayout = reverse;
<a name="l00112"></a>00112         <a class="code" href="classSpinBox2.html#6db1d1b35ef216f815d9ec15711054f9" title="Sets the unshifted step increments for the two pairs of spin buttons, i.e.">setSteps</a>(mLineStep, mPageStep);
<a name="l00113"></a>00113         <a class="code" href="classSpinBox2.html#f91f511b836777b16fd9925e2ee882e5" title="Sets the shifted step increments for the two pairs of spin buttons, i.e.">setShiftSteps</a>(mLineShiftStep, mPageShiftStep);
<a name="l00114"></a>00114     }
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116 
<a name="l00117"></a><a class="code" href="classSpinBox2.html#f285b762f5199480b4239d456e900b9e">00117</a> <span class="keywordtype">void</span> <a class="code" href="classSpinBox2.html#f285b762f5199480b4239d456e900b9e" title="Sets whether the widget is enabled.">SpinBox2::setEnabled</a>(<span class="keywordtype">bool</span> enabled)
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119     QFrame::setEnabled(enabled);
<a name="l00120"></a>00120     updateMirror();
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122 
<a name="l00123"></a><a class="code" href="classSpinBox2.html#baefe63a1ff1ca4bb8bcc8d0ff466aeb">00123</a> <span class="keywordtype">void</span> <a class="code" href="classSpinBox2.html#baefe63a1ff1ca4bb8bcc8d0ff466aeb" title="Sets whether it is possible to step the value from the highest value to the lowest...">SpinBox2::setWrapping</a>(<span class="keywordtype">bool</span> on)
<a name="l00124"></a>00124 {
<a name="l00125"></a>00125     mSpinbox-&gt;setWrapping(on);
<a name="l00126"></a>00126     mUpdown2-&gt;setWrapping(on);
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128 
<a name="l00129"></a><a class="code" href="classSpinBox2.html#1bd9346f494381dc6d13f5b41ca5c7c3">00129</a> QRect <a class="code" href="classSpinBox2.html#1bd9346f494381dc6d13f5b41ca5c7c3" title="Returns the geometry of the left-hand &amp;quot;up&amp;quot; button.">SpinBox2::up2Rect</a>()<span class="keyword"> const</span>
<a name="l00130"></a>00130 <span class="keyword"></span>{
<a name="l00131"></a>00131     <span class="keywordflow">return</span> mUpdown2-&gt;upRect();
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133 
<a name="l00134"></a><a class="code" href="classSpinBox2.html#ff1d6aef8bdb1813c23e2ba15a5887f8">00134</a> QRect <a class="code" href="classSpinBox2.html#ff1d6aef8bdb1813c23e2ba15a5887f8" title="Returns the geometry of the left-hand &amp;quot;down&amp;quot; button.">SpinBox2::down2Rect</a>()<span class="keyword"> const</span>
<a name="l00135"></a>00135 <span class="keyword"></span>{
<a name="l00136"></a>00136     <span class="keywordflow">return</span> mUpdown2-&gt;downRect();
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138 
<a name="l00139"></a><a class="code" href="classSpinBox2.html#8d19a6362f88722da93f86bab400d938">00139</a> <span class="keywordtype">void</span> <a class="code" href="classSpinBox2.html#8d19a6362f88722da93f86bab400d938" title="Sets the unshifted step increment for the right-hand spin buttons, i.e.">SpinBox2::setLineStep</a>(<span class="keywordtype">int</span> step)
<a name="l00140"></a>00140 {
<a name="l00141"></a>00141     mLineStep = step;
<a name="l00142"></a>00142     <span class="keywordflow">if</span> (<a class="code" href="classSpinBox2.html#ec04e843d7122d1fb62fba2a8c3fa9e9" title="Returns whether the spin button pairs will be reversed for a right-to-left language...">reverseButtons</a>())
<a name="l00143"></a>00143         mUpdown2-&gt;setLineStep(step);   <span class="comment">// reverse layout, but still set the right buttons</span>
<a name="l00144"></a>00144     <span class="keywordflow">else</span>
<a name="l00145"></a>00145         mSpinbox-&gt;setLineStep(step);
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147 
<a name="l00148"></a><a class="code" href="classSpinBox2.html#6db1d1b35ef216f815d9ec15711054f9">00148</a> <span class="keywordtype">void</span> <a class="code" href="classSpinBox2.html#6db1d1b35ef216f815d9ec15711054f9" title="Sets the unshifted step increments for the two pairs of spin buttons, i.e.">SpinBox2::setSteps</a>(<span class="keywordtype">int</span> line, <span class="keywordtype">int</span> page)
<a name="l00149"></a>00149 {
<a name="l00150"></a>00150     mLineStep = line;
<a name="l00151"></a>00151     mPageStep = page;
<a name="l00152"></a>00152     <span class="keywordflow">if</span> (<a class="code" href="classSpinBox2.html#ec04e843d7122d1fb62fba2a8c3fa9e9" title="Returns whether the spin button pairs will be reversed for a right-to-left language...">reverseButtons</a>())
<a name="l00153"></a>00153     {
<a name="l00154"></a>00154         mUpdown2-&gt;setLineStep(line);   <span class="comment">// reverse layout, but still set the right buttons</span>
<a name="l00155"></a>00155         mSpinbox-&gt;setLineStep(page);
<a name="l00156"></a>00156     }
<a name="l00157"></a>00157     <span class="keywordflow">else</span>
<a name="l00158"></a>00158     {
<a name="l00159"></a>00159         mSpinbox-&gt;setLineStep(line);
<a name="l00160"></a>00160         mUpdown2-&gt;setLineStep(page);
<a name="l00161"></a>00161     }
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163 
<a name="l00164"></a><a class="code" href="classSpinBox2.html#f91f511b836777b16fd9925e2ee882e5">00164</a> <span class="keywordtype">void</span> <a class="code" href="classSpinBox2.html#f91f511b836777b16fd9925e2ee882e5" title="Sets the shifted step increments for the two pairs of spin buttons, i.e.">SpinBox2::setShiftSteps</a>(<span class="keywordtype">int</span> line, <span class="keywordtype">int</span> page)
<a name="l00165"></a>00165 {
<a name="l00166"></a>00166     mLineShiftStep = line;
<a name="l00167"></a>00167     mPageShiftStep = page;
<a name="l00168"></a>00168     <span class="keywordflow">if</span> (<a class="code" href="classSpinBox2.html#ec04e843d7122d1fb62fba2a8c3fa9e9" title="Returns whether the spin button pairs will be reversed for a right-to-left language...">reverseButtons</a>())
<a name="l00169"></a>00169     {
<a name="l00170"></a>00170         mUpdown2-&gt;setLineShiftStep(line);   <span class="comment">// reverse layout, but still set the right buttons</span>
<a name="l00171"></a>00171         mSpinbox-&gt;setLineShiftStep(page);
<a name="l00172"></a>00172     }
<a name="l00173"></a>00173     <span class="keywordflow">else</span>
<a name="l00174"></a>00174     {
<a name="l00175"></a>00175         mSpinbox-&gt;setLineShiftStep(line);
<a name="l00176"></a>00176         mUpdown2-&gt;setLineShiftStep(page);
<a name="l00177"></a>00177     }
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179 
<a name="l00180"></a><a class="code" href="classSpinBox2.html#11aae6a913c5b7f6d428ab0b61b3c5a0">00180</a> <span class="keywordtype">void</span> <a class="code" href="classSpinBox2.html#11aae6a913c5b7f6d428ab0b61b3c5a0" title="Sets the button symbols to use (arrows or plus/minus).">SpinBox2::setButtonSymbols</a>(QSpinBox::ButtonSymbols newSymbols)
<a name="l00181"></a>00181 {
<a name="l00182"></a>00182     <span class="keywordflow">if</span> (mSpinbox-&gt;buttonSymbols() == newSymbols)
<a name="l00183"></a>00183         <span class="keywordflow">return</span>;
<a name="l00184"></a>00184     mSpinbox-&gt;setButtonSymbols(newSymbols);
<a name="l00185"></a>00185     mUpdown2-&gt;setButtonSymbols(newSymbols);
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187 
<a name="l00188"></a><a class="code" href="classSpinBox2.html#29ced7fb335762d20facb6185cb6bcd9">00188</a> <span class="keywordtype">int</span> <a class="code" href="classSpinBox2.html#29ced7fb335762d20facb6185cb6bcd9" title="Returns the specified value clamped to the range of the spin box.">SpinBox2::bound</a>(<span class="keywordtype">int</span> val)<span class="keyword"> const</span>
<a name="l00189"></a>00189 <span class="keyword"></span>{
<a name="l00190"></a>00190     <span class="keywordflow">return</span> (val &lt; mMinValue) ? mMinValue : (val &gt; mMaxValue) ? mMaxValue : val;
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192 
<a name="l00193"></a><a class="code" href="classSpinBox2.html#8f8b12c00209937484957f96f267cd68">00193</a> <span class="keywordtype">void</span> <a class="code" href="classSpinBox2.html#8f8b12c00209937484957f96f267cd68" title="Sets the minimum value of the spin box.">SpinBox2::setMinValue</a>(<span class="keywordtype">int</span> val)
<a name="l00194"></a>00194 {
<a name="l00195"></a>00195     mMinValue = val;
<a name="l00196"></a>00196     mSpinbox-&gt;setMinValue(val);
<a name="l00197"></a>00197     mUpdown2-&gt;setMinValue(val);
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 
<a name="l00200"></a><a class="code" href="classSpinBox2.html#a87bbb86839e5c0c76ad3c54eac6d76c">00200</a> <span class="keywordtype">void</span> <a class="code" href="classSpinBox2.html#a87bbb86839e5c0c76ad3c54eac6d76c" title="Sets the maximum value of the spin box.">SpinBox2::setMaxValue</a>(<span class="keywordtype">int</span> val)
<a name="l00201"></a>00201 {
<a name="l00202"></a>00202     mMaxValue = val;
<a name="l00203"></a>00203     mSpinbox-&gt;setMaxValue(val);
<a name="l00204"></a>00204     mUpdown2-&gt;setMaxValue(val);
<a name="l00205"></a>00205 }
<a name="l00206"></a>00206 
<a name="l00207"></a>00207 <span class="keywordtype">void</span> SpinBox2::valueChange()
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209     <span class="keywordtype">int</span> val = mSpinbox-&gt;value();
<a name="l00210"></a>00210     <span class="keywordtype">bool</span> blocked = mUpdown2-&gt;signalsBlocked();
<a name="l00211"></a>00211     mUpdown2-&gt;blockSignals(<span class="keyword">true</span>);
<a name="l00212"></a>00212     mUpdown2-&gt;setValue(val);
<a name="l00213"></a>00213     mUpdown2-&gt;blockSignals(blocked);
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215 
<a name="l00216"></a>00216 <span class="comment">/******************************************************************************</span>
<a name="l00217"></a>00217 <span class="comment">* Called when the widget is about to be displayed.</span>
<a name="l00218"></a>00218 <span class="comment">* (At construction time, the spin button widths cannot be determined correctly,</span>
<a name="l00219"></a>00219 <span class="comment">*  so we need to wait until now to definitively rearrange the widget.)</span>
<a name="l00220"></a>00220 <span class="comment">*/</span>
<a name="l00221"></a>00221 <span class="keywordtype">void</span> SpinBox2::showEvent(QShowEvent*)
<a name="l00222"></a>00222 {
<a name="l00223"></a>00223     arrange();
<a name="l00224"></a>00224 }
<a name="l00225"></a>00225 
<a name="l00226"></a>00226 QSize SpinBox2::sizeHint()<span class="keyword"> const</span>
<a name="l00227"></a>00227 <span class="keyword"></span>{
<a name="l00228"></a>00228     getMetrics();
<a name="l00229"></a>00229     QSize size = mSpinbox-&gt;sizeHint();
<a name="l00230"></a>00230     size.setWidth(size.width() - xSpinbox + wUpdown2 + wGap);
<a name="l00231"></a>00231     <span class="keywordflow">return</span> size;
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233 
<a name="l00234"></a>00234 QSize SpinBox2::minimumSizeHint()<span class="keyword"> const</span>
<a name="l00235"></a>00235 <span class="keyword"></span>{
<a name="l00236"></a>00236     getMetrics();
<a name="l00237"></a>00237     QSize size = mSpinbox-&gt;minimumSizeHint();
<a name="l00238"></a>00238     size.setWidth(size.width() - xSpinbox + wUpdown2 + wGap);
<a name="l00239"></a>00239     <span class="keywordflow">return</span> size;
<a name="l00240"></a>00240 }
<a name="l00241"></a>00241 
<a name="l00242"></a>00242 <span class="keywordtype">void</span> SpinBox2::styleChange(QStyle&amp;)
<a name="l00243"></a>00243 {
<a name="l00244"></a>00244     <span class="keywordflow">if</span> (mirrorStyle(style()))
<a name="l00245"></a>00245         mSpinMirror-&gt;show();    <span class="comment">// show rounded corners with Plastik etc.</span>
<a name="l00246"></a>00246     <span class="keywordflow">else</span>
<a name="l00247"></a>00247         mSpinMirror-&gt;hide();    <span class="comment">// keep normal shading with other styles</span>
<a name="l00248"></a>00248     arrange();
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250 
<a name="l00251"></a>00251 <span class="comment">/******************************************************************************</span>
<a name="l00252"></a>00252 <span class="comment">* Called when the extra pair of spin buttons has repainted after a style change. </span>
<a name="l00253"></a>00253 <span class="comment">* Updates the mirror image of the spin buttons.</span>
<a name="l00254"></a>00254 <span class="comment">*/</span>
<a name="l00255"></a>00255 <span class="keywordtype">void</span> SpinBox2::updateMirror()
<a name="l00256"></a>00256 {
<a name="l00257"></a>00257     mSpinMirror-&gt;setNormalButtons(QPixmap::grabWidget(mUpdown2Frame, 0, 0));
<a name="l00258"></a>00258 }
<a name="l00259"></a>00259 
<a name="l00260"></a>00260 <span class="comment">/******************************************************************************</span>
<a name="l00261"></a>00261 <span class="comment">* Set the positions and sizes of all the child widgets. </span>
<a name="l00262"></a>00262 <span class="comment">*/</span>
<a name="l00263"></a>00263 <span class="keywordtype">void</span> SpinBox2::arrange()
<a name="l00264"></a>00264 {
<a name="l00265"></a>00265     getMetrics();
<a name="l00266"></a>00266     QRect arrowRect = QStyle::visualRect(QRect(0, 0, wUpdown2, height()), <span class="keyword">this</span>);
<a name="l00267"></a>00267     mUpdown2Frame-&gt;setGeometry(arrowRect);
<a name="l00268"></a>00268     mUpdown2-&gt;setGeometry(-xUpdown2, 0, mUpdown2-&gt;width(), height());
<a name="l00269"></a>00269     mSpinboxFrame-&gt;setGeometry(QStyle::visualRect(QRect(wUpdown2 + wGap, 0, width() - wUpdown2 - wGap, height()), <span class="keyword">this</span>));
<a name="l00270"></a>00270     mSpinbox-&gt;setGeometry(-xSpinbox, 0, mSpinboxFrame-&gt;width() + xSpinbox, height());
<a name="l00271"></a>00271     mSpinMirror-&gt;resize(wUpdown2, mUpdown2-&gt;height());
<a name="l00272"></a>00272     mSpinMirror-&gt;setGeometry(arrowRect);
<a name="l00273"></a>00273 <span class="comment">//mSpinMirror-&gt;setGeometry(QStyle::visualRect(QRect(0, 11, wUpdown2, height()), this));</span>
<a name="l00274"></a>00274     mSpinMirror-&gt;setNormalButtons(QPixmap::grabWidget(mUpdown2Frame, 0, 0));
<a name="l00275"></a>00275 }
<a name="l00276"></a>00276 
<a name="l00277"></a>00277 <span class="comment">/******************************************************************************</span>
<a name="l00278"></a>00278 <span class="comment">* Calculate the width and position of the extra pair of spin buttons.</span>
<a name="l00279"></a>00279 <span class="comment">* Style-specific adjustments are made for a better appearance. </span>
<a name="l00280"></a>00280 <span class="comment">*/</span>
<a name="l00281"></a>00281 <span class="keywordtype">void</span> SpinBox2::getMetrics()<span class="keyword"> const</span>
<a name="l00282"></a>00282 <span class="keyword"></span>{
<a name="l00283"></a>00283     QRect rect = mUpdown2-&gt;style().querySubControlMetrics(QStyle::CC_SpinWidget, mUpdown2, QStyle::SC_SpinWidgetButtonField);
<a name="l00284"></a>00284     <span class="keywordflow">if</span> (style().inherits(<span class="stringliteral">"PlastikStyle"</span>))
<a name="l00285"></a>00285         rect.setLeft(rect.left() - 1);    <span class="comment">// Plastik excludes left border from spin widget rectangle</span>
<a name="l00286"></a>00286     xUpdown2 = mReverseLayout ? 0 : rect.left();
<a name="l00287"></a>00287     wUpdown2 = mUpdown2-&gt;width() - rect.left();
<a name="l00288"></a>00288     xSpinbox = mSpinbox-&gt;style().querySubControlMetrics(QStyle::CC_SpinWidget, mSpinbox, QStyle::SC_SpinWidgetEditField).left();
<a name="l00289"></a>00289     wGap = 0;
<a name="l00290"></a>00290 
<a name="l00291"></a>00291     <span class="comment">// Make style-specific adjustments for a better appearance</span>
<a name="l00292"></a>00292     <span class="keywordflow">if</span> (style().inherits(<span class="stringliteral">"QMotifPlusStyle"</span>))
<a name="l00293"></a>00293     {
<a name="l00294"></a>00294         xSpinbox = 0;      <span class="comment">// show the edit control left border</span>
<a name="l00295"></a>00295         wGap = 2;          <span class="comment">// leave a space to the right of the left-hand pair of spin buttons</span>
<a name="l00296"></a>00296     }
<a name="l00297"></a>00297 }
<a name="l00298"></a>00298 
<a name="l00299"></a>00299 <span class="comment">/******************************************************************************</span>
<a name="l00300"></a>00300 <span class="comment">* Called when the extra pair of spin buttons is clicked to step the value.</span>
<a name="l00301"></a>00301 <span class="comment">* Normally this is a page step, but with a right-to-left language where the</span>
<a name="l00302"></a>00302 <span class="comment">* button functions are reversed, this is a line step.</span>
<a name="l00303"></a>00303 <span class="comment">*/</span>
<a name="l00304"></a>00304 <span class="keywordtype">void</span> SpinBox2::stepPage(<span class="keywordtype">int</span> step)
<a name="l00305"></a>00305 {
<a name="l00306"></a>00306     <span class="keywordflow">if</span> (abs(step) == mUpdown2-&gt;lineStep())
<a name="l00307"></a>00307         mSpinbox-&gt;setValue(mUpdown2-&gt;value());
<a name="l00308"></a>00308     <span class="keywordflow">else</span>
<a name="l00309"></a>00309     {
<a name="l00310"></a>00310         <span class="comment">// It's a shift step</span>
<a name="l00311"></a>00311         <span class="keywordtype">int</span> oldValue = mSpinbox-&gt;value();
<a name="l00312"></a>00312         <span class="keywordflow">if</span> (!<a class="code" href="classSpinBox2.html#ec04e843d7122d1fb62fba2a8c3fa9e9" title="Returns whether the spin button pairs will be reversed for a right-to-left language...">reverseButtons</a>())
<a name="l00313"></a>00313         {
<a name="l00314"></a>00314             <span class="comment">// The button pairs have the normal function.</span>
<a name="l00315"></a>00315             <span class="comment">// Page shift stepping - step up or down to a multiple of the</span>
<a name="l00316"></a>00316             <span class="comment">// shift page increment, leaving unchanged the part of the value</span>
<a name="l00317"></a>00317             <span class="comment">// which is the remainder from the page increment.</span>
<a name="l00318"></a>00318             <span class="keywordflow">if</span> (oldValue &gt;= 0)
<a name="l00319"></a>00319                 oldValue -= oldValue % mUpdown2-&gt;lineStep();
<a name="l00320"></a>00320             <span class="keywordflow">else</span>
<a name="l00321"></a>00321                 oldValue += (-oldValue) % mUpdown2-&gt;lineStep();
<a name="l00322"></a>00322         }
<a name="l00323"></a>00323         <span class="keywordtype">int</span> adjust = mSpinbox-&gt;shiftStepAdjustment(oldValue, step);
<a name="l00324"></a>00324         <span class="keywordflow">if</span> (adjust == -step
<a name="l00325"></a>00325         &amp;&amp;  (step &gt; 0  &amp;&amp;  oldValue + step &gt;= mSpinbox-&gt;maxValue()
<a name="l00326"></a>00326           || step &lt; 0  &amp;&amp;  oldValue + step &lt;= mSpinbox-&gt;minValue()))
<a name="l00327"></a>00327             adjust = 0;    <span class="comment">// allow stepping to the minimum or maximum value</span>
<a name="l00328"></a>00328         mSpinbox-&gt;addValue(adjust + step);
<a name="l00329"></a>00329     }
<a name="l00330"></a>00330     <span class="keywordtype">bool</span> focus = mSpinbox-&gt;selectOnStep() &amp;&amp; mUpdown2-&gt;hasFocus();
<a name="l00331"></a>00331     <span class="keywordflow">if</span> (focus)
<a name="l00332"></a>00332         mSpinbox-&gt;selectAll();
<a name="l00333"></a>00333 
<a name="l00334"></a>00334     <span class="comment">// Make the covering arrows image show the pressed arrow</span>
<a name="l00335"></a>00335     mSpinMirror-&gt;redraw(QPixmap::grabWidget(mUpdown2Frame, 0, 0));
<a name="l00336"></a>00336 }
<a name="l00337"></a>00337 
<a name="l00338"></a>00338 
<a name="l00339"></a>00339 <span class="comment">/*=============================================================================</span>
<a name="l00340"></a>00340 <span class="comment">= Class SpinBox2::MainSpinBox</span>
<a name="l00341"></a>00341 <span class="comment">=============================================================================*/</span>
<a name="l00342"></a>00342 
<a name="l00343"></a>00343 <span class="comment">/******************************************************************************</span>
<a name="l00344"></a>00344 <span class="comment">* Return the initial adjustment to the value for a shift step up or down, for</span>
<a name="l00345"></a>00345 <span class="comment">* the main (visible) spin box.</span>
<a name="l00346"></a>00346 <span class="comment">* Normally this is a line step, but with a right-to-left language where the</span>
<a name="l00347"></a>00347 <span class="comment">* button functions are reversed, this is a page step.</span>
<a name="l00348"></a>00348 <span class="comment">*/</span>
<a name="l00349"></a>00349 <span class="keywordtype">int</span> SpinBox2::MainSpinBox::shiftStepAdjustment(<span class="keywordtype">int</span> oldValue, <span class="keywordtype">int</span> shiftStep)
<a name="l00350"></a>00350 {
<a name="l00351"></a>00351     <span class="keywordflow">if</span> (owner-&gt;reverseButtons())
<a name="l00352"></a>00352     {
<a name="l00353"></a>00353         <span class="comment">// The button pairs have the opposite function from normal.</span>
<a name="l00354"></a>00354         <span class="comment">// Page shift stepping - step up or down to a multiple of the</span>
<a name="l00355"></a>00355         <span class="comment">// shift page increment, leaving unchanged the part of the value</span>
<a name="l00356"></a>00356         <span class="comment">// which is the remainder from the page increment.</span>
<a name="l00357"></a>00357         <span class="keywordflow">if</span> (oldValue &gt;= 0)
<a name="l00358"></a>00358             oldValue -= oldValue % <a class="code" href="classSpinBox2.html#833a11cde865ec464938112c150fd0ba" title="Returns the unshifted step increment for the right-hand spin buttons, i.e.">lineStep</a>();
<a name="l00359"></a>00359         <span class="keywordflow">else</span>
<a name="l00360"></a>00360             oldValue += (-oldValue) % <a class="code" href="classSpinBox2.html#833a11cde865ec464938112c150fd0ba" title="Returns the unshifted step increment for the right-hand spin buttons, i.e.">lineStep</a>();
<a name="l00361"></a>00361     }
<a name="l00362"></a>00362     <span class="keywordflow">return</span> <a class="code" href="classSpinBox.html#a7739d2b356775c869b4eea5f843f68d" title="Returns the initial adjustment to the value for a shift step up or down.">SpinBox::shiftStepAdjustment</a>(oldValue, shiftStep);
<a name="l00363"></a>00363 }
<a name="l00364"></a>00364 
<a name="l00365"></a>00365 
<a name="l00366"></a>00366 <span class="comment">/*=============================================================================</span>
<a name="l00367"></a>00367 <span class="comment">= Class ExtraSpinBox</span>
<a name="l00368"></a>00368 <span class="comment">=============================================================================*/</span>
<a name="l00369"></a>00369 
<a name="l00370"></a>00370 <span class="comment">/******************************************************************************</span>
<a name="l00371"></a>00371 <span class="comment">* Repaint the widget.</span>
<a name="l00372"></a>00372 <span class="comment">* If it's the first time since a style change, tell the parent SpinBox2 to</span>
<a name="l00373"></a>00373 <span class="comment">* update the SpinMirror with the new unpressed button image. We make the</span>
<a name="l00374"></a>00374 <span class="comment">* presumably reasonable assumption that when a style change occurs, the spin</span>
<a name="l00375"></a>00375 <span class="comment">* buttons are unpressed.</span>
<a name="l00376"></a>00376 <span class="comment">*/</span>
<a name="l00377"></a>00377 <span class="keywordtype">void</span> ExtraSpinBox::paintEvent(QPaintEvent* e)
<a name="l00378"></a>00378 {
<a name="l00379"></a>00379     SpinBox::paintEvent(e);
<a name="l00380"></a>00380     <span class="keywordflow">if</span> (mNewStylePending)
<a name="l00381"></a>00381     {
<a name="l00382"></a>00382         mNewStylePending = <span class="keyword">false</span>;
<a name="l00383"></a>00383         emit styleUpdated();
<a name="l00384"></a>00384     }
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386 
<a name="l00387"></a>00387 
<a name="l00388"></a>00388 <span class="comment">/*=============================================================================</span>
<a name="l00389"></a>00389 <span class="comment">= Class SpinMirror</span>
<a name="l00390"></a>00390 <span class="comment">=============================================================================*/</span>
<a name="l00391"></a>00391 
<a name="l00392"></a>00392 SpinMirror::SpinMirror(<a class="code" href="classSpinBox.html" title="Spin box with accelerated shift key stepping and read-only option.">SpinBox</a>* spinbox, QWidget* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name)
<a name="l00393"></a>00393     : QCanvasView(new QCanvas, parent, name),
<a name="l00394"></a>00394       mSpinbox(spinbox),
<a name="l00395"></a>00395       mReadOnly(false)
<a name="l00396"></a>00396 {
<a name="l00397"></a>00397     setVScrollBarMode(QScrollView::AlwaysOff);
<a name="l00398"></a>00398     setHScrollBarMode(QScrollView::AlwaysOff);
<a name="l00399"></a>00399     setFrameStyle(QFrame::NoFrame);
<a name="l00400"></a>00400 
<a name="l00401"></a>00401     <span class="comment">// Find the spin widget which is part of the spin box, in order to</span>
<a name="l00402"></a>00402     <span class="comment">// pass on its shift-button presses.</span>
<a name="l00403"></a>00403     QObjectList* spinwidgets = spinbox-&gt;queryList(<span class="stringliteral">"QSpinWidget"</span>, 0, <span class="keyword">false</span>, <span class="keyword">true</span>);
<a name="l00404"></a>00404     mSpinWidget = (<a class="code" href="classSpinBox.html" title="Spin box with accelerated shift key stepping and read-only option.">SpinBox</a>*)spinwidgets-&gt;getFirst();
<a name="l00405"></a>00405     <span class="keyword">delete</span> spinwidgets;
<a name="l00406"></a>00406 }
<a name="l00407"></a>00407 
<a name="l00408"></a>00408 <span class="keywordtype">void</span> SpinMirror::setNormalButtons(<span class="keyword">const</span> QPixmap&amp; px)
<a name="l00409"></a>00409 {
<a name="l00410"></a>00410     mNormalButtons = px;
<a name="l00411"></a>00411     redraw(mNormalButtons);
<a name="l00412"></a>00412 }
<a name="l00413"></a>00413 
<a name="l00414"></a>00414 <span class="keywordtype">void</span> SpinMirror::redraw(<span class="keyword">const</span> QPixmap&amp; px)
<a name="l00415"></a>00415 {
<a name="l00416"></a>00416     QCanvas* c = canvas();
<a name="l00417"></a>00417     c-&gt;setBackgroundPixmap(px);
<a name="l00418"></a>00418     c-&gt;setAllChanged();
<a name="l00419"></a>00419     c-&gt;update();
<a name="l00420"></a>00420 }
<a name="l00421"></a>00421 
<a name="l00422"></a>00422 <span class="keywordtype">void</span> SpinMirror::resize(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h)
<a name="l00423"></a>00423 {
<a name="l00424"></a>00424     canvas()-&gt;resize(w, h);
<a name="l00425"></a>00425     QCanvasView::resize(w, h);
<a name="l00426"></a>00426     resizeContents(w, h);
<a name="l00427"></a>00427     setWorldMatrix(QWMatrix(-1, 0, 0, 1, w - 1, 0));  <span class="comment">// mirror left to right</span>
<a name="l00428"></a>00428 }
<a name="l00429"></a>00429 
<a name="l00430"></a>00430 <span class="comment">/******************************************************************************</span>
<a name="l00431"></a>00431 <span class="comment">* Pass on all mouse events to the spinbox which we're covering up.</span>
<a name="l00432"></a>00432 <span class="comment">*/</span>
<a name="l00433"></a>00433 <span class="keywordtype">void</span> SpinMirror::contentsMouseEvent(QMouseEvent* e)
<a name="l00434"></a>00434 {
<a name="l00435"></a>00435     <span class="keywordflow">if</span> (!mReadOnly)
<a name="l00436"></a>00436     {
<a name="l00437"></a>00437         QPoint pt = contentsToViewport(e-&gt;pos());
<a name="l00438"></a>00438         pt.setX(pt.x() + mSpinbox-&gt;upRect().left());
<a name="l00439"></a>00439         QApplication::postEvent(mSpinWidget, <span class="keyword">new</span> QMouseEvent(e-&gt;type(), pt, e-&gt;button(), e-&gt;state()));
<a name="l00440"></a>00440 
<a name="l00441"></a>00441         <span class="comment">// If the mouse button has been released, display unpressed spin buttons</span>
<a name="l00442"></a>00442         <span class="keywordflow">if</span> (e-&gt;type() == QEvent::MouseButtonRelease)
<a name="l00443"></a>00443             redraw(mNormalButtons);
<a name="l00444"></a>00444     }
<a name="l00445"></a>00445 }
<a name="l00446"></a>00446 
<a name="l00447"></a>00447 
<a name="l00448"></a>00448 <span class="comment">/*=============================================================================</span>
<a name="l00449"></a>00449 <span class="comment">= Local functions</span>
<a name="l00450"></a>00450 <span class="comment">=============================================================================*/</span>
<a name="l00451"></a>00451 
<a name="l00452"></a>00452 <span class="comment">/******************************************************************************</span>
<a name="l00453"></a>00453 <span class="comment">* Determine whether the extra pair of spin buttons needs to be mirrored</span>
<a name="l00454"></a>00454 <span class="comment">* left-to-right in the specified style.</span>
<a name="l00455"></a>00455 <span class="comment">*/</span>
<a name="l00456"></a>00456 <span class="keyword">static</span> <span class="keywordtype">bool</span> mirrorStyle(<span class="keyword">const</span> QStyle&amp; style)
<a name="l00457"></a>00457 {
<a name="l00458"></a>00458     <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">char</span>** s = mirrorStyles;  *s;  ++s)
<a name="l00459"></a>00459         <span class="keywordflow">if</span> (style.inherits(*s))
<a name="l00460"></a>00460             <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00461"></a>00461     <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00462"></a>00462 }
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