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<h1>lineview.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">    This file is part of KOrganizer.</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment">    Copyright (c) 2001 Cornelius Schumacher &lt;schumacher@kde.org&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</span>
<a name="l00017"></a>00017 <span class="comment">    along with this program; if not, write to the Free Software</span>
<a name="l00018"></a>00018 <span class="comment">    Foundation, Inc., 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 <span class="comment">    As a special exception, permission is given to link this program</span>
<a name="l00021"></a>00021 <span class="comment">    with any edition of Qt, and distribute the resulting executable,</span>
<a name="l00022"></a>00022 <span class="comment">    without including the source code for Qt in the source distribution.</span>
<a name="l00023"></a>00023 <span class="comment">*/</span>
<a name="l00024"></a>00024 
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;qpainter.h&gt;</span>
<a name="l00026"></a>00026 
<a name="l00027"></a>00027 <span class="preprocessor">#include &lt;kdebug.h&gt;</span>
<a name="l00028"></a>00028 
<a name="l00029"></a>00029 <span class="preprocessor">#include "koprefs.h"</span>
<a name="l00030"></a>00030 
<a name="l00031"></a>00031 <span class="preprocessor">#include "lineview.h"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "lineview.moc"</span>
<a name="l00033"></a>00033 
<a name="l00034"></a>00034 LineView::LineView( QWidget *parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name ) :
<a name="l00035"></a>00035   QScrollView( parent, name )
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037   mPixelWidth = 1000;
<a name="l00038"></a>00038 
<a name="l00039"></a>00039   mLines.setAutoDelete( <span class="keyword">true</span> );
<a name="l00040"></a>00040 
<a name="l00041"></a>00041   resizeContents( mPixelWidth, contentsHeight() );
<a name="l00042"></a>00042 
<a name="l00043"></a>00043   viewport()-&gt;setBackgroundColor(KOPrefs::instance()-&gt;mAgendaBgColor);
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 LineView::~LineView()
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049 
<a name="l00050"></a>00050 <span class="keywordtype">int</span> LineView::pixelWidth()
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052   <span class="keywordflow">return</span> mPixelWidth;
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054 
<a name="l00055"></a>00055 <span class="keywordtype">void</span> LineView::addLine( <span class="keywordtype">int</span> start, <span class="keywordtype">int</span> end )
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057   <span class="keywordtype">int</span> count = mLines.count();
<a name="l00058"></a>00058   
<a name="l00059"></a>00059   <span class="keywordflow">if</span>( start &lt; 0 ) start = 0;
<a name="l00060"></a>00060   <span class="keywordflow">if</span>( end &gt; mPixelWidth) end = mPixelWidth;
<a name="l00061"></a>00061   
<a name="l00062"></a>00062   kdDebug(5850) &lt;&lt; <span class="stringliteral">"LineView::addLine() col: "</span> &lt;&lt; count &lt;&lt; <span class="stringliteral">"  start: "</span> &lt;&lt; start
<a name="l00063"></a>00063             &lt;&lt; <span class="stringliteral">"  end: "</span> &lt;&lt; end &lt;&lt; endl;
<a name="l00064"></a>00064   
<a name="l00065"></a>00065   mLines.append( <span class="keyword">new</span> Line( count, start, end ) );
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067 
<a name="l00068"></a>00068 <span class="keywordtype">void</span> LineView::clear()
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070   mLines.clear();
<a name="l00071"></a>00071   update();
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 
<a name="l00074"></a>00074 <span class="keywordtype">void</span> LineView::drawContents(QPainter* p, <span class="keywordtype">int</span> cx, <span class="keywordtype">int</span> cy, <span class="keywordtype">int</span> cw, <span class="keywordtype">int</span> ch)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="comment">//  kdDebug(5850) &lt;&lt; "LineView::drawContents()" &lt;&lt; endl;</span>
<a name="l00077"></a>00077 
<a name="l00078"></a>00078 <span class="comment">//  int mGridSpacingX = 10;</span>
<a name="l00079"></a>00079   <span class="keywordtype">int</span> mGridSpacingY = 20;
<a name="l00080"></a>00080 
<a name="l00081"></a>00081 <span class="preprocessor">#if 0</span>
<a name="l00082"></a>00082 <span class="preprocessor"></span>  <span class="comment">// Draw vertical lines of grid</span>
<a name="l00083"></a>00083   <span class="comment">//  kdDebug(5850) &lt;&lt; "drawContents cx: " &lt;&lt; cx &lt;&lt; " cy: " &lt;&lt; cy &lt;&lt; " cw: " &lt;&lt; cw &lt;&lt; " ch: " &lt;&lt; ch &lt;&lt; endl;</span>
<a name="l00084"></a>00084   <span class="keywordtype">int</span> x = ((int)(cx/mGridSpacingX))*mGridSpacingX;
<a name="l00085"></a>00085   <span class="keywordflow">while</span> (x &lt; cx + cw) {
<a name="l00086"></a>00086     p-&gt;drawLine(x,cy,x,cy+ch);
<a name="l00087"></a>00087     x+=mGridSpacingX;
<a name="l00088"></a>00088   }
<a name="l00089"></a>00089 <span class="preprocessor">#endif</span>
<a name="l00090"></a>00090 <span class="preprocessor"></span>
<a name="l00091"></a>00091   <span class="comment">// Draw horizontal lines of grid</span>
<a name="l00092"></a>00092   <span class="keywordtype">int</span> y = ((int)(cy/mGridSpacingY))*mGridSpacingY + 10;
<a name="l00093"></a>00093   <span class="keywordflow">while</span> (y &lt; cy + ch) {
<a name="l00094"></a>00094 <span class="comment">//    kdDebug(5850) &lt;&lt; " y: " &lt;&lt; y &lt;&lt; endl;</span>
<a name="l00095"></a>00095     p-&gt;drawLine(cx,y,cx+cw,y);
<a name="l00096"></a>00096     y+=mGridSpacingY;
<a name="l00097"></a>00097   }
<a name="l00098"></a>00098   
<a name="l00099"></a>00099   Line *line;
<a name="l00100"></a>00100   <span class="keywordflow">for</span>( line = mLines.first(); line; line = mLines.next() ) {
<a name="l00101"></a>00101     <span class="keywordtype">int</span> ctop = line-&gt;column * 20 + 10 - 5;
<a name="l00102"></a>00102     <span class="keywordtype">int</span> cbottom = line-&gt;column * 20 + 10 + 5;
<a name="l00103"></a>00103     <span class="keywordtype">int</span> s = line-&gt;start;
<a name="l00104"></a>00104     <span class="keywordtype">int</span> e = line-&gt;end;
<a name="l00105"></a>00105 <span class="comment">//    kdDebug(5850) &lt;&lt; "  LineView::drawContents(): ctop: " &lt;&lt; ctop &lt;&lt; "  cbottom: "</span>
<a name="l00106"></a>00106 <span class="comment">//              &lt;&lt; cbottom &lt;&lt; "  s: " &lt;&lt; s &lt;&lt; "  e: " &lt;&lt; e &lt;&lt; endl;</span>
<a name="l00107"></a>00107     <span class="keywordflow">if</span> ( ctop &lt;= (cy+ch) &amp;&amp; cbottom &gt;= cy &amp;&amp;
<a name="l00108"></a>00108          s &lt;= (cx+cw) &amp;&amp; e &gt;= cx ) {
<a name="l00109"></a>00109       <span class="keywordflow">if</span> ( s &lt; cx ) s = cx;
<a name="l00110"></a>00110       <span class="keywordflow">if</span> ( e &gt; (cx+cw) ) e = cx+cw;
<a name="l00111"></a>00111       <span class="keywordflow">if</span> ( ctop &lt; cy ) ctop = cy;
<a name="l00112"></a>00112       <span class="keywordflow">if</span> ( cbottom &gt; (cy+ch) ) cbottom = cy+ch;
<a name="l00113"></a>00113 <span class="comment">//      kdDebug(5850) &lt;&lt; "            drawContents(): ctop: " &lt;&lt; ctop &lt;&lt; "  cbottom: "</span>
<a name="l00114"></a>00114 <span class="comment">//                &lt;&lt; cbottom &lt;&lt; "  s: " &lt;&lt; s &lt;&lt; "  e: " &lt;&lt; e &lt;&lt; endl;</span>
<a name="l00115"></a>00115       p-&gt;fillRect( s, ctop, e - s + 1, cbottom - ctop + 1, QBrush(<span class="stringliteral">"red"</span>) );
<a name="l00116"></a>00116     }
<a name="l00117"></a>00117   }
<a name="l00118"></a>00118 }
</pre></div></div>
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