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    <h2><a name="content"></a>kgantt</h2>


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<h1>xQGanttBarView.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">//  file    : xQGanttBarView.C</span>
<a name="l00003"></a>00003 <span class="comment">//  date    : 26 oct 2000</span>
<a name="l00004"></a>00004 <span class="comment">//  changed : 28 nov 2000</span>
<a name="l00005"></a>00005 <span class="comment">//  author  : jh</span>
<a name="l00006"></a>00006 <span class="comment">//</span>
<a name="l00007"></a>00007 
<a name="l00008"></a>00008 
<a name="l00009"></a>00009 <span class="preprocessor">#include "xQGanttBarView.h"</span>
<a name="l00010"></a>00010 <span class="preprocessor">#include "KGanttBarConfig.h"</span>
<a name="l00011"></a>00011 
<a name="l00012"></a>00012 
<a name="l00013"></a>00013 
<a name="l00014"></a><a class="code" href="classxQGanttBarView.html#300ba6798eb1044b4378ae238b98af8d">00014</a> <a class="code" href="classxQGanttBarView.html#300ba6798eb1044b4378ae238b98af8d" title="Constructor.">xQGanttBarView::xQGanttBarView</a>(<a class="code" href="classKGanttItem.html" title="KGanttItem.">KGanttItem</a>* toplevelitem,
<a name="l00015"></a>00015                    QWidget* parent, 
<a name="l00016"></a>00016                    <span class="keyword">const</span> <span class="keywordtype">char</span> * name, WFlags f)
<a name="l00017"></a>00017   : QScrollView(parent,name,f)
<a name="l00018"></a>00018 {     
<a name="l00019"></a>00019   _config = NULL;
<a name="l00020"></a>00020 
<a name="l00021"></a>00021   _toplevelitem = toplevelitem;
<a name="l00022"></a>00022 
<a name="l00023"></a>00023   setFrameStyle(QFrame::Sunken);
<a name="l00024"></a>00024   setLineWidth(1);
<a name="l00025"></a>00025 
<a name="l00026"></a>00026   _headerBackBrush = QBrush(QColor(250,250,250));
<a name="l00027"></a>00027 
<a name="l00028"></a>00028   setMargins( 1, TOPMARGIN , 1, 1 );
<a name="l00029"></a>00029 
<a name="l00030"></a>00030   _viewport = <span class="keyword">new</span> <a class="code" href="classxQGanttBarViewPort.html" title="GanttBarViewPort Widget.">xQGanttBarViewPort</a>(toplevelitem, <span class="keyword">this</span> );
<a name="l00031"></a>00031 
<a name="l00032"></a>00032   addChild(_viewport);
<a name="l00033"></a>00033 
<a name="l00034"></a>00034   _viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#d49bb567aff27f5537b28d485aae21d3">setMode</a>(xQGanttBarViewPort::Select);
<a name="l00035"></a>00035 
<a name="l00036"></a>00036   connect(_viewport, SIGNAL(scroll(<span class="keywordtype">int</span>,<span class="keywordtype">int</span>)),
<a name="l00037"></a>00037       <span class="keyword">this</span>, SLOT(scrollBy(<span class="keywordtype">int</span>,<span class="keywordtype">int</span>)) );  
<a name="l00038"></a>00038 
<a name="l00039"></a>00039   connect(_viewport, SIGNAL(recalculated()),
<a name="l00040"></a>00040       <span class="keyword">this</span>, SLOT(drawHeader()) );  
<a name="l00041"></a>00041 
<a name="l00042"></a>00042   connect(horizontalScrollBar(), SIGNAL(valueChanged(<span class="keywordtype">int</span>)),
<a name="l00043"></a>00043       <span class="keyword">this</span>, SLOT(horizontalScrollBarChanged(<span class="keywordtype">int</span>)) ); 
<a name="l00044"></a>00044 
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 
<a name="l00048"></a>00048 
<a name="l00049"></a><a class="code" href="classxQGanttBarView.html#a9c07bd5f74d85cb032d6dcb3cf7e879">00049</a> <a class="code" href="classxQGanttBarView.html#a9c07bd5f74d85cb032d6dcb3cf7e879" title="Destructor.">xQGanttBarView::~xQGanttBarView</a>()
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053 
<a name="l00054"></a>00054 
<a name="l00055"></a>00055 
<a name="l00056"></a>00056 <span class="keywordtype">void</span>
<a name="l00057"></a>00057 xQGanttBarView::horizontalScrollBarChanged(<span class="keywordtype">int</span> <span class="comment">/*x*/</span>)
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060   printf(<span class="stringliteral">"xQGanttBarView::horizontalScrollBarChanged()\n"</span>);
<a name="l00061"></a>00061   drawHeader();
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063 
<a name="l00064"></a>00064 
<a name="l00065"></a>00065 
<a name="l00066"></a>00066 <span class="keywordtype">void</span> 
<a name="l00067"></a>00067 xQGanttBarView::drawHeader()
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070   <span class="keyword">static</span> QPen _dotPen( QColor(35,35,35), 0, DotLine);
<a name="l00071"></a>00071   <span class="keyword">static</span> QPen _normalPen(QColor(0,0,0));
<a name="l00072"></a>00072   <span class="keyword">static</span> QPen _redPen(QColor(254,0,0));
<a name="l00073"></a>00073   <span class="keyword">static</span> QPen _greyPen(QColor(150,150,150));
<a name="l00074"></a>00074 
<a name="l00075"></a>00075   QPainter p(<span class="keyword">this</span>);
<a name="l00076"></a>00076   p.setPen( _normalPen );
<a name="l00077"></a>00077 
<a name="l00078"></a>00078   p.fillRect(0,0,width(),TOPMARGIN, _headerBackBrush );
<a name="l00079"></a>00079 
<a name="l00080"></a>00080   <span class="keyword">static</span> <span class="keywordtype">int</span> top = 1;
<a name="l00081"></a>00081   <span class="keyword">static</span> <span class="keywordtype">int</span> height = 20;
<a name="l00082"></a>00082   <span class="keyword">static</span> <span class="keywordtype">int</span> skip = 1;
<a name="l00083"></a>00083  
<a name="l00084"></a>00084   <span class="keywordtype">int</span> a,e,tmp;
<a name="l00085"></a>00085   <span class="keywordtype">bool</span> drawDays = <span class="keyword">false</span>;
<a name="l00086"></a>00086   <span class="keywordtype">double</span> dayWidth = (double) ((_viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#e09ffc413ffb47c275d46430321fbb29" title="Transform world coordinate to screen coordinate.">screenX</a>(144000) - _viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#e09ffc413ffb47c275d46430321fbb29" title="Transform world coordinate to screen coordinate.">screenX</a>(0))/100.);
<a name="l00087"></a>00087 
<a name="l00088"></a>00088   <span class="keywordtype">int</span> wx = _viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#36666d539b906e88b41780fb2bbd0208" title="Transform screen coordinate to world coordinate.">worldX</a>(contentsX());
<a name="l00089"></a>00089 
<a name="l00090"></a>00090   QDate startDate = _toplevelitem-&gt;<a class="code" href="classKGanttItem.html#4afe2c45cf433f4aacd1462cff087386" title="Get date of starting.">getStart</a>().addSecs( wx * 60 ).date();
<a name="l00091"></a>00091 
<a name="l00092"></a>00092   wx = _viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#36666d539b906e88b41780fb2bbd0208" title="Transform screen coordinate to world coordinate.">worldX</a>(contentsX()+width());
<a name="l00093"></a>00093   QDate endDate = _toplevelitem-&gt;<a class="code" href="classKGanttItem.html#4afe2c45cf433f4aacd1462cff087386" title="Get date of starting.">getStart</a>().addSecs( wx * 60 ).date();
<a name="l00094"></a>00094   endDate = endDate.addDays(1);
<a name="l00095"></a>00095 
<a name="l00096"></a>00096   <span class="keywordtype">int</span> end = (int) startDate.daysTo(endDate);  
<a name="l00097"></a>00097   drawDays = (end &lt; 12);
<a name="l00098"></a>00098 
<a name="l00099"></a>00099   <span class="comment">//  draw week, which first day is not visible</span>
<a name="l00100"></a>00100 
<a name="l00101"></a>00101   QDate t = startDate.addDays(-startDate.dayOfWeek()+1);    
<a name="l00102"></a>00102    
<a name="l00103"></a>00103   tmp = _toplevelitem-&gt;<a class="code" href="classKGanttItem.html#4afe2c45cf433f4aacd1462cff087386" title="Get date of starting.">getStart</a>().secsTo(t)/60;
<a name="l00104"></a>00104   a = _viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#e09ffc413ffb47c275d46430321fbb29" title="Transform world coordinate to screen coordinate.">screenX</a>(tmp) - contentsX();
<a name="l00105"></a>00105   
<a name="l00106"></a>00106   p.fillRect(a, top, (<span class="keywordtype">int</span>) (5. * dayWidth), height, QBrush(QColor(240,240,240))); 
<a name="l00107"></a>00107   p.drawRect(a, top, (<span class="keywordtype">int</span>) (5. * dayWidth), height );
<a name="l00108"></a>00108 
<a name="l00109"></a>00109   <span class="comment">//  draw month, which first day is not visible</span>
<a name="l00110"></a>00110 
<a name="l00111"></a>00111   t = startDate.addDays(-startDate.day()+1);    
<a name="l00112"></a>00112    
<a name="l00113"></a>00113   tmp = _toplevelitem-&gt;<a class="code" href="classKGanttItem.html#4afe2c45cf433f4aacd1462cff087386" title="Get date of starting.">getStart</a>().secsTo(t)/60;
<a name="l00114"></a>00114   a = _viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#e09ffc413ffb47c275d46430321fbb29" title="Transform world coordinate to screen coordinate.">screenX</a>(tmp) - contentsX();
<a name="l00115"></a>00115 
<a name="l00116"></a>00116   e = t.daysInMonth();
<a name="l00117"></a>00117   p.fillRect(a, top + height + skip, (<span class="keywordtype">int</span>) (e*dayWidth), height, QBrush(QColor(240,240,240))); 
<a name="l00118"></a>00118   p.drawRect(a, top + height + skip, (<span class="keywordtype">int</span>) (e*dayWidth), height );
<a name="l00119"></a>00119 
<a name="l00120"></a>00120   <span class="keywordflow">if</span>(a&lt;0) a = 0;
<a name="l00121"></a>00121   p.drawText(a+5, <span class="keywordtype">int</span>( top + height + skip + (0.8*height) ), 
<a name="l00122"></a>00122          t.shortMonthName(t.month()) + <span class="stringliteral">" "</span> + QString::number(t.year()) );  
<a name="l00123"></a>00123 
<a name="l00124"></a>00124 
<a name="l00125"></a>00125   <span class="comment">//  draw snapgrid for first month</span>
<a name="l00126"></a>00126 
<a name="l00127"></a>00127   tmp = _toplevelitem-&gt;<a class="code" href="classKGanttItem.html#4afe2c45cf433f4aacd1462cff087386" title="Get date of starting.">getStart</a>().secsTo(startDate)/60;
<a name="l00128"></a>00128   a = _viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#e09ffc413ffb47c275d46430321fbb29" title="Transform world coordinate to screen coordinate.">screenX</a>(tmp) - contentsX()+1;
<a name="l00129"></a>00129   <span class="keywordtype">double</span> dx = (double) 
<a name="l00130"></a>00130     ((_viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#e09ffc413ffb47c275d46430321fbb29" title="Transform world coordinate to screen coordinate.">screenX</a>(_viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#575c2c8a13f02c569ba84ea3dc8eae35">_snapgrid</a>*1000) - _viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#e09ffc413ffb47c275d46430321fbb29" title="Transform world coordinate to screen coordinate.">screenX</a>(0))/1000.);
<a name="l00131"></a>00131   <span class="keywordtype">double</span> limit = ((1+e-startDate.day()) * 1440)/_viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#575c2c8a13f02c569ba84ea3dc8eae35">_snapgrid</a>;
<a name="l00132"></a>00132 
<a name="l00133"></a>00133   <span class="keywordflow">for</span>(<span class="keywordtype">double</span> k=1.; k&lt;limit; k++) {  
<a name="l00134"></a>00134     p.setPen(_greyPen);
<a name="l00135"></a>00135     p.drawLine(a + (<span class="keywordtype">int</span>)(k * dx + 0.5), top + skip + 2 * height + 1, 
<a name="l00136"></a>00136            a + (<span class="keywordtype">int</span>)(k * dx + 0.5), top + skip + 2 * height + 2);
<a name="l00137"></a>00137   }
<a name="l00138"></a>00138 
<a name="l00139"></a>00139 
<a name="l00140"></a>00140   <span class="comment">//  draw from start to end</span>
<a name="l00141"></a>00141 
<a name="l00142"></a>00142   t = startDate;
<a name="l00143"></a>00143 
<a name="l00144"></a>00144   <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i&lt;end; i++, t = t.addDays(1) ) {          
<a name="l00145"></a>00145 
<a name="l00146"></a>00146     tmp = _toplevelitem-&gt;<a class="code" href="classKGanttItem.html#4afe2c45cf433f4aacd1462cff087386" title="Get date of starting.">getStart</a>().secsTo(t)/60;
<a name="l00147"></a>00147     a = _viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#e09ffc413ffb47c275d46430321fbb29" title="Transform world coordinate to screen coordinate.">screenX</a>(tmp) - contentsX();
<a name="l00148"></a>00148    
<a name="l00149"></a>00149     p.setPen( QPen(QColor(black)) );
<a name="l00150"></a>00150 
<a name="l00151"></a>00151     <span class="keywordflow">if</span>(t.dayOfWeek() == 1) {
<a name="l00152"></a>00152     
<a name="l00153"></a>00153       p.fillRect(a, top, (<span class="keywordtype">int</span>) (5. * dayWidth), height, QBrush(QColor(240,240,240))); 
<a name="l00154"></a>00154       p.drawRect(a, top, (<span class="keywordtype">int</span>) (5. * dayWidth), height );
<a name="l00155"></a>00155     
<a name="l00156"></a>00156       <span class="keywordflow">if</span>(!drawDays)
<a name="l00157"></a>00157     p.drawText(a+5, (<span class="keywordtype">int</span>) (top + (0.8*height)), QString::number(t.day()) );      
<a name="l00158"></a>00158 
<a name="l00159"></a>00159     }
<a name="l00160"></a>00160 
<a name="l00161"></a>00161     <span class="keywordflow">if</span>(drawDays) {
<a name="l00162"></a>00162 
<a name="l00163"></a>00163       <span class="keywordflow">if</span>(a&lt;0) a = 0;
<a name="l00164"></a>00164 
<a name="l00165"></a>00165       QString str = t.shortDayName(t.dayOfWeek()) + <span class="stringliteral">" "</span> + QString::number(t.day());
<a name="l00166"></a>00166       QRect rect = p.boundingRect(a+5, (<span class="keywordtype">int</span>)(0.8 * height), 
<a name="l00167"></a>00167                   (<span class="keywordtype">int</span>) dayWidth, height, AlignLeft, str );
<a name="l00168"></a>00168 
<a name="l00169"></a>00169       <span class="keywordflow">if</span>(t.dayOfWeek() &gt; 5)
<a name="l00170"></a>00170     p.fillRect(rect.x(), rect.y(), rect.width(), -rect.height(), _headerBackBrush );
<a name="l00171"></a>00171       <span class="keywordflow">else</span>
<a name="l00172"></a>00172     p.fillRect(rect.x(), rect.y(), 
<a name="l00173"></a>00173            rect.width(), -rect.height(), QBrush(QColor(240,240,240)));
<a name="l00174"></a>00174 
<a name="l00175"></a>00175       p.drawText(a+5, (<span class="keywordtype">int</span>)(0.8 * height), str );
<a name="l00176"></a>00176 
<a name="l00177"></a>00177       <span class="keywordflow">if</span>(t.dayOfWeek()&gt;1 &amp;&amp; t.dayOfWeek()&lt;6) {
<a name="l00178"></a>00178     p.setPen(_dotPen);
<a name="l00179"></a>00179     p.drawLine(a, top, a, height);
<a name="l00180"></a>00180       }
<a name="l00181"></a>00181     
<a name="l00182"></a>00182     }
<a name="l00183"></a>00183 
<a name="l00184"></a>00184     <span class="keywordflow">if</span>(t.day()==1) {
<a name="l00185"></a>00185 
<a name="l00186"></a>00186       e = t.daysInMonth();
<a name="l00187"></a>00187 
<a name="l00188"></a>00188       p.setPen(_normalPen);
<a name="l00189"></a>00189 
<a name="l00190"></a>00190       p.fillRect(a, top + height + skip, 
<a name="l00191"></a>00191          (<span class="keywordtype">int</span>) (e * dayWidth), height, QBrush(QColor(240,240,240))); 
<a name="l00192"></a>00192       p.drawRect(a, top + height + skip, (<span class="keywordtype">int</span>) (e * dayWidth), height );
<a name="l00193"></a>00193       
<a name="l00194"></a>00194       p.drawText(a+5, 
<a name="l00195"></a>00195          top + (<span class="keywordtype">int</span>)(1.8 * height) + skip, 
<a name="l00196"></a>00196          t.shortMonthName(t.month()) + <span class="stringliteral">" "</span> + QString::number(t.year()) );  
<a name="l00197"></a>00197 
<a name="l00198"></a>00198       <span class="comment">//  draw snapgrid</span>
<a name="l00199"></a>00199 
<a name="l00200"></a>00200       <span class="keywordtype">double</span> limit = (e * 1440)/_viewport-&gt;<a class="code" href="classxQGanttBarViewPort.html#575c2c8a13f02c569ba84ea3dc8eae35">_snapgrid</a>;
<a name="l00201"></a>00201       <span class="keywordflow">for</span>(<span class="keywordtype">double</span> k=1.; k&lt;limit; k++) {  
<a name="l00202"></a>00202     p.setPen(_greyPen);
<a name="l00203"></a>00203     p.drawLine(a + 1 + (<span class="keywordtype">int</span>)(k * dx + 0.5), top + skip + 2 * height + 1, 
<a name="l00204"></a>00204            a + 1 + (<span class="keywordtype">int</span>)(k * dx + 0.5), top + skip + 2 * height + 2);
<a name="l00205"></a>00205       }
<a name="l00206"></a>00206      
<a name="l00207"></a>00207 
<a name="l00208"></a>00208     }
<a name="l00209"></a>00209     
<a name="l00210"></a>00210   } 
<a name="l00211"></a>00211   
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213 
<a name="l00214"></a>00214 
<a name="l00215"></a>00215 
<a name="l00216"></a>00216 <span class="keywordtype">void</span> 
<a name="l00217"></a>00217 xQGanttBarView::paintEvent(QPaintEvent * <span class="comment">/*e*/</span>)
<a name="l00218"></a>00218 {      
<a name="l00219"></a>00219   drawHeader();
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221 
<a name="l00222"></a>00222 
<a name="l00223"></a>00223 
<a name="l00224"></a>00224 KGanttBarConfig* 
<a name="l00225"></a><a class="code" href="classxQGanttBarView.html#2cd4b682295801eaec643944846e0d24">00225</a> <a class="code" href="classxQGanttBarView.html#2cd4b682295801eaec643944846e0d24" title="Get config widget.">xQGanttBarView::getConfig</a>() 
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227   <span class="keywordflow">if</span>(_config)
<a name="l00228"></a>00228     <span class="keywordflow">return</span> _config;
<a name="l00229"></a>00229   <span class="keywordflow">else</span> {
<a name="l00230"></a>00230     _config = <span class="keyword">new</span> KGanttBarConfig(<span class="keyword">this</span>);
<a name="l00231"></a>00231     <span class="keywordflow">return</span> _config;
<a name="l00232"></a>00232   }
<a name="l00233"></a>00233 
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235 
<a name="l00236"></a>00236 
<a name="l00237"></a>00237 
<a name="l00238"></a>00238 <span class="keywordtype">void</span> 
<a name="l00239"></a>00239 xQGanttBarView::showConfig()
<a name="l00240"></a>00240 {
<a name="l00241"></a>00241   <a class="code" href="classxQGanttBarView.html#2cd4b682295801eaec643944846e0d24" title="Get config widget.">getConfig</a>()-&gt;show();
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243 
<a name="l00244"></a>00244 
<a name="l00245"></a>00245 
<a name="l00246"></a>00246 <span class="keywordtype">void</span>
<a name="l00247"></a>00247 xQGanttBarView::hideConfig()
<a name="l00248"></a>00248 {
<a name="l00249"></a>00249   <span class="keywordflow">if</span>(_config)
<a name="l00250"></a>00250     _config-&gt;hide();
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252 <span class="preprocessor">#include "xQGanttBarView.moc"</span>
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