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<h1>kanimwidget.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- c-basic-offset: 2 -*-</span>
<a name="l00002"></a>00002 
<a name="l00003"></a>00003 <span class="comment">/* This file is part of the KDE libraries</span>
<a name="l00004"></a>00004 <span class="comment">   Copyright (C) 2000 Kurt Granroth &lt;granroth@kde.org&gt;</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment">   This library is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment">   modify it under the terms of the GNU Library General Public</span>
<a name="l00008"></a>00008 <span class="comment">   License version 2 as published by the Free Software Foundation.</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment">   This library is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment">   but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment">   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
<a name="l00013"></a>00013 <span class="comment">   Library General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment">   You should have received a copy of the GNU Library General Public License</span>
<a name="l00016"></a>00016 <span class="comment">   along with this library; see the file COPYING.LIB.  If not, write to</span>
<a name="l00017"></a>00017 <span class="comment">   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00018"></a>00018 <span class="comment">   Boston, MA 02110-1301, USA.</span>
<a name="l00019"></a>00019 <span class="comment">*/</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include &lt;kanimwidget.h&gt;</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include &lt;qpixmap.h&gt;</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include &lt;qtimer.h&gt;</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include &lt;qpainter.h&gt;</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include &lt;qimage.h&gt;</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;ktoolbar.h&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;kdebug.h&gt;</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include &lt;kiconloader.h&gt;</span>
<a name="l00028"></a>00028 
<a name="l00029"></a>00029 <span class="keyword">class </span>KAnimWidgetPrivate
<a name="l00030"></a>00030 {
<a name="l00031"></a>00031 <span class="keyword">public</span>:
<a name="l00032"></a>00032   <span class="keywordtype">bool</span>                   loadingCompleted : 1;
<a name="l00033"></a>00033   <span class="keywordtype">bool</span>                   initDone         : 1;
<a name="l00034"></a>00034   <span class="keywordtype">bool</span>                   transparent      : 1;
<a name="l00035"></a>00035   <span class="keywordtype">int</span>                    frames;
<a name="l00036"></a>00036   <span class="keywordtype">int</span>                    current_frame;
<a name="l00037"></a>00037   <a class="codeRef" doxygen="qt.tag:" href="qpixmap.html">QPixmap</a>                pixmap;
<a name="l00038"></a>00038   <a class="codeRef" doxygen="qt.tag:" href="qtimer.html">QTimer</a>                 timer;
<a name="l00039"></a>00039   <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>                icon_name;
<a name="l00040"></a>00040   <span class="keywordtype">int</span>                    size;
<a name="l00041"></a>00041 };
<a name="l00042"></a>00042 
<a name="l00043"></a><a class="code" href="classKAnimWidget.html#a0">00043</a> <a class="code" href="classKAnimWidget.html#a0">KAnimWidget::KAnimWidget</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>&amp; icons, <span class="keywordtype">int</span> size, <a class="codeRef" doxygen="qt.tag:" href="qwidget.html">QWidget</a> *parent,
<a name="l00044"></a>00044                           <span class="keyword">const</span> <span class="keywordtype">char</span> *name )
<a name="l00045"></a>00045   : <a class="codeRef" doxygen="qt.tag:" href="qframe.html">QFrame</a>( parent, name ),
<a name="l00046"></a>00046     d( new KAnimWidgetPrivate )
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048   connect( &amp;d-&gt;timer, SIGNAL(timeout()), <span class="keyword">this</span>, SLOT(<a class="code" href="classKAnimWidget.html#j0">slotTimerUpdate</a>()));
<a name="l00049"></a>00049 
<a name="l00050"></a>00050   <span class="keywordflow">if</span> (parent &amp;&amp; parent-&gt;inherits( <span class="stringliteral">"KToolBar"</span> ))
<a name="l00051"></a>00051     connect(parent, SIGNAL(modechange()), <span class="keyword">this</span>, SLOT(<a class="code" href="classKAnimWidget.html#j1">updateIcons</a>()));
<a name="l00052"></a>00052 
<a name="l00053"></a>00053   d-&gt;loadingCompleted = <span class="keyword">false</span>;
<a name="l00054"></a>00054   d-&gt;size = size;
<a name="l00055"></a>00055   d-&gt;initDone = <span class="keyword">false</span>;
<a name="l00056"></a>00056   <a class="code" href="classKAnimWidget.html#a5">setIcons</a>( icons );
<a name="l00057"></a>00057   <a class="codeRef" doxygen="qt.tag:" href="qframe.html#setFrameStyle">setFrameStyle</a>( StyledPanel | Sunken );
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059 
<a name="l00060"></a><a class="code" href="classKAnimWidget.html#a1">00060</a> <a class="code" href="classKAnimWidget.html#a1">KAnimWidget::~KAnimWidget</a>()
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062   d-&gt;timer.stop();
<a name="l00063"></a>00063 
<a name="l00064"></a>00064   <span class="keyword">delete</span> d; d = 0;
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066 
<a name="l00067"></a><a class="code" href="classKAnimWidget.html#i0">00067</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#i0">KAnimWidget::start</a>()
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069   d-&gt;current_frame = 0;
<a name="l00070"></a>00070   d-&gt;timer.start( 50 );
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072 
<a name="l00073"></a><a class="code" href="classKAnimWidget.html#i1">00073</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#i1">KAnimWidget::stop</a>()
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075   d-&gt;current_frame = 0;
<a name="l00076"></a>00076   d-&gt;timer.stop();
<a name="l00077"></a>00077   repaint();
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079 
<a name="l00080"></a><a class="code" href="classKAnimWidget.html#a2">00080</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#a2">KAnimWidget::setSize</a>( <span class="keywordtype">int</span> size )
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082   <span class="keywordflow">if</span> ( d-&gt;size == size )
<a name="l00083"></a>00083     <span class="keywordflow">return</span>;
<a name="l00084"></a>00084 
<a name="l00085"></a>00085   d-&gt;size = size;
<a name="l00086"></a>00086   <a class="code" href="classKAnimWidget.html#j1">updateIcons</a>();
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088 
<a name="l00089"></a><a class="code" href="classKAnimWidget.html#a5">00089</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#a5">KAnimWidget::setIcons</a>( <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a>&amp; icons )
<a name="l00090"></a>00090 {
<a name="l00091"></a>00091   <span class="keywordflow">if</span> ( d-&gt;icon_name == icons )
<a name="l00092"></a>00092     <span class="keywordflow">return</span>;
<a name="l00093"></a>00093 
<a name="l00094"></a>00094   d-&gt;icon_name = icons;
<a name="l00095"></a>00095   <a class="code" href="classKAnimWidget.html#j1">updateIcons</a>();
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 
<a name="l00098"></a>00098 <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> <a class="code" href="classKAnimWidget.html#a4">KAnimWidget::icons</a>( )<span class="keyword"> const</span>
<a name="l00099"></a>00099 <span class="keyword"></span>{
<a name="l00100"></a>00100    <span class="keywordflow">return</span> d-&gt;icon_name;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102 
<a name="l00103"></a>00103 <span class="keywordtype">int</span> <a class="code" href="classKAnimWidget.html#a3">KAnimWidget::size</a>( )<span class="keyword"> const</span>
<a name="l00104"></a>00104 <span class="keyword"></span>{
<a name="l00105"></a>00105    <span class="keywordflow">return</span> d-&gt;size;
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 
<a name="l00108"></a>00108 
<a name="l00109"></a><a class="code" href="classKAnimWidget.html#b4">00109</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#b4">KAnimWidget::showEvent</a>(<a class="codeRef" doxygen="qt.tag:" href="qshowevent.html">QShowEvent</a>* e)
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111   <span class="keywordflow">if</span> (!d-&gt;initDone)
<a name="l00112"></a>00112   {
<a name="l00113"></a>00113      d-&gt;initDone = <span class="keyword">true</span>;
<a name="l00114"></a>00114      <a class="code" href="classKAnimWidget.html#j1">updateIcons</a>();
<a name="l00115"></a>00115   }
<a name="l00116"></a>00116   QFrame::showEvent(e);
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118 
<a name="l00119"></a><a class="code" href="classKAnimWidget.html#b3">00119</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#b3">KAnimWidget::hideEvent</a>(<a class="codeRef" doxygen="qt.tag:" href="qhideevent.html">QHideEvent</a>* e)
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121   QFrame::hideEvent(e);
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123 
<a name="l00124"></a><a class="code" href="classKAnimWidget.html#b2">00124</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#b2">KAnimWidget::enterEvent</a>( <a class="codeRef" doxygen="qt.tag:" href="qevent.html">QEvent</a> *e )
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126   <a class="codeRef" doxygen="qt.tag:" href="qframe.html#setFrameStyle">setFrameStyle</a>( Panel | Raised );
<a name="l00127"></a>00127 
<a name="l00128"></a>00128   QFrame::enterEvent( e );
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130 
<a name="l00131"></a><a class="code" href="classKAnimWidget.html#b1">00131</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#b1">KAnimWidget::leaveEvent</a>( <a class="codeRef" doxygen="qt.tag:" href="qevent.html">QEvent</a> *e )
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133   <a class="codeRef" doxygen="qt.tag:" href="qframe.html#setFrameStyle">setFrameStyle</a>( StyledPanel | Sunken );
<a name="l00134"></a>00134 
<a name="l00135"></a>00135   QFrame::leaveEvent( e );
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137 
<a name="l00138"></a><a class="code" href="classKAnimWidget.html#b5">00138</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#b5">KAnimWidget::mousePressEvent</a>( <a class="codeRef" doxygen="qt.tag:" href="qmouseevent.html">QMouseEvent</a> *e )
<a name="l00139"></a>00139 {
<a name="l00140"></a>00140   QFrame::mousePressEvent( e );
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 
<a name="l00143"></a><a class="code" href="classKAnimWidget.html#b6">00143</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#b6">KAnimWidget::mouseReleaseEvent</a>( <a class="codeRef" doxygen="qt.tag:" href="qmouseevent.html">QMouseEvent</a> *e )
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145   <span class="keywordflow">if</span> ( e-&gt;<a class="codeRef" doxygen="qt.tag:" href="qmouseevent.html#button">button</a>() == LeftButton &amp;&amp;
<a name="l00146"></a>00146        rect().contains( e-&gt;<a class="codeRef" doxygen="qt.tag:" href="qmouseevent.html#pos">pos</a>() ) )
<a name="l00147"></a>00147     emit clicked();
<a name="l00148"></a>00148 
<a name="l00149"></a>00149   QFrame::mouseReleaseEvent( e );
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151 
<a name="l00152"></a><a class="code" href="classKAnimWidget.html#j0">00152</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#j0">KAnimWidget::slotTimerUpdate</a>()
<a name="l00153"></a>00153 {
<a name="l00154"></a>00154   <span class="keywordflow">if</span>(!isVisible())
<a name="l00155"></a>00155     <span class="keywordflow">return</span>;
<a name="l00156"></a>00156 
<a name="l00157"></a>00157   d-&gt;current_frame++;
<a name="l00158"></a>00158   <span class="keywordflow">if</span> (d-&gt;current_frame == d-&gt;frames)
<a name="l00159"></a>00159      d-&gt;current_frame = 0;
<a name="l00160"></a>00160 
<a name="l00161"></a>00161   <span class="comment">// TODO</span>
<a name="l00162"></a>00162   <span class="comment">// We have to clear the widget when repainting a transparent image</span>
<a name="l00163"></a>00163   <span class="comment">// By doing it like this we get a bit of flicker though. A better</span>
<a name="l00164"></a>00164   <span class="comment">// way might be to merge it with the background in drawContents.</span>
<a name="l00165"></a>00165   repaint(d-&gt;transparent);
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167 
<a name="l00168"></a><a class="code" href="classKAnimWidget.html#b0">00168</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#b0">KAnimWidget::drawContents</a>( <a class="codeRef" doxygen="qt.tag:" href="qpainter.html">QPainter</a> *p )
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170   <span class="keywordflow">if</span> ( d-&gt;pixmap.isNull() )
<a name="l00171"></a>00171     <span class="keywordflow">return</span>;
<a name="l00172"></a>00172 
<a name="l00173"></a>00173   <span class="keywordtype">int</span> w = d-&gt;pixmap.width();
<a name="l00174"></a>00174   <span class="keywordtype">int</span> h = w;
<a name="l00175"></a>00175   <span class="keywordtype">int</span> x = (width()  - w) / 2;
<a name="l00176"></a>00176   <span class="keywordtype">int</span> y = (height() - h) / 2;
<a name="l00177"></a>00177   p-&gt;<a class="codeRef" doxygen="qt.tag:" href="qpainter.html#drawPixmap">drawPixmap</a>(<a class="codeRef" doxygen="qt.tag:" href="qpoint.html">QPoint</a>(x, y), d-&gt;pixmap, <a class="codeRef" doxygen="qt.tag:" href="qrect.html">QRect</a>(0, d-&gt;current_frame*h, w, h));
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179 
<a name="l00180"></a><a class="code" href="classKAnimWidget.html#j1">00180</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#j1">KAnimWidget::updateIcons</a>()
<a name="l00181"></a>00181 {
<a name="l00182"></a>00182   <span class="keywordflow">if</span> (!d-&gt;initDone)
<a name="l00183"></a>00183      <span class="keywordflow">return</span>;
<a name="l00184"></a>00184 
<a name="l00185"></a>00185   <span class="keywordflow">if</span> (parent()-&gt;inherits( <span class="stringliteral">"KToolBar"</span> ))
<a name="l00186"></a>00186     d-&gt;size = ((<a class="code" href="classKToolBar.html">KToolBar</a>*)parent())-&gt;iconSize();
<a name="l00187"></a>00187   <span class="keywordflow">if</span> (!d-&gt;size)
<a name="l00188"></a>00188      d-&gt;size = <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/classKGlobal.html#e4">KGlobal::iconLoader</a>()-&gt;<a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/classKIconLoader.html#a15">currentSize</a>(<a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/classKIcon.html#w46w22">KIcon::MainToolbar</a>);
<a name="l00189"></a>00189 
<a name="l00190"></a>00190   <a class="codeRef" doxygen="qt.tag:" href="qstring.html">QString</a> path = <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/classKGlobal.html#e4">KGlobal::iconLoader</a>()-&gt;<a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/classKIconLoader.html#a7">iconPath</a>(d-&gt;icon_name, -d-&gt;size);
<a name="l00191"></a>00191   <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> img(path);
<a name="l00192"></a>00192   
<a name="l00193"></a>00193   <span class="keywordflow">if</span> (img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#isNull">isNull</a>())
<a name="l00194"></a>00194      <span class="keywordflow">return</span>;
<a name="l00195"></a>00195 
<a name="l00196"></a>00196   d-&gt;current_frame = 0;
<a name="l00197"></a>00197   d-&gt;frames = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#height">height</a>() / img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#width">width</a>();
<a name="l00198"></a>00198   d-&gt;transparent = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#hasAlphaBuffer">hasAlphaBuffer</a>();
<a name="l00199"></a>00199   <span class="keywordflow">if</span> (d-&gt;pixmap.width() != d-&gt;size)
<a name="l00200"></a>00200   {
<a name="l00201"></a>00201      img = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#smoothScale">smoothScale</a>(d-&gt;size, d-&gt;size*d-&gt;frames);     
<a name="l00202"></a>00202   }
<a name="l00203"></a>00203   d-&gt;pixmap = img;
<a name="l00204"></a>00204 
<a name="l00205"></a>00205   setFixedSize( d-&gt;size+2, d-&gt;size+2 );
<a name="l00206"></a>00206   resize( d-&gt;size+2, d-&gt;size+2 );
<a name="l00207"></a>00207 }
<a name="l00208"></a>00208 
<a name="l00209"></a><a class="code" href="classKAnimWidget.html#b7">00209</a> <span class="keywordtype">void</span> <a class="code" href="classKAnimWidget.html#b7">KAnimWidget::virtual_hook</a>( <span class="keywordtype">int</span>, <span class="keywordtype">void</span>* )
<a name="l00210"></a>00210 { <span class="comment">/*BASE::virtual_hook( id, data );*/</span> }
<a name="l00211"></a>00211 
<a name="l00212"></a>00212 <span class="preprocessor">#include "kanimwidget.moc"</span>
</pre></div>    </div></div>


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