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<h1>guiTools.cpp</h1><a href="guiTools_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//==============================================</span>
<a name="l00002"></a>00002 <span class="comment">// copyright : (C) 2003-2005 by Will Stokes</span>
<a name="l00003"></a>00003 <span class="comment">//==============================================</span>
<a name="l00004"></a>00004 <span class="comment">// This program is free software; you can redistribute it</span>
<a name="l00005"></a>00005 <span class="comment">// and/or modify it under the terms of the GNU General</span>
<a name="l00006"></a>00006 <span class="comment">// Public License as published by the Free Software</span>
<a name="l00007"></a>00007 <span class="comment">// Foundation; either version 2 of the License, or</span>
<a name="l00008"></a>00008 <span class="comment">// (at your option) any later version.</span>
<a name="l00009"></a>00009 <span class="comment">//==============================================</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="comment">//Systemwide includes</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <qwidget.h></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include <qapplication.h></span>
<a name="l00014"></a>00014 <span class="preprocessor">#include <qstring.h></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <qstringlist.h></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <qpixmap.h></span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="comment">//Projectwide includes</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="guiTools_8h.html">guiTools.h</a>"</span>
<a name="l00020"></a>00020
<a name="l00021"></a><a class="code" href="guiTools_8cpp.html#c002f775448d6f42839e2d6f05140397">00021</a> <span class="preprocessor">#define SUBALBUM_TEXT_LENGTH 35</span>
<a name="l00022"></a><a class="code" href="guiTools_8cpp.html#7a10b8bb937153f62cabb2034f3e3811">00022</a> <span class="preprocessor"></span><span class="preprocessor">#define PHOTO_TEXT_LENGTH 35</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="comment">//==============================================</span>
<a name="l00025"></a><a class="code" href="guiTools_8h.html#83ad2663db4147621f3ff0007e27bbdb">00025</a> <span class="keywordtype">void</span> <a class="code" href="guiTools_8cpp.html#83ad2663db4147621f3ff0007e27bbdb">centerWindow</a>(<a class="code" href="classQWidget.html">QWidget</a>* window)
<a name="l00026"></a>00026 {
<a name="l00027"></a>00027 <span class="comment">//---------------------------------------------------------</span>
<a name="l00028"></a>00028 <span class="comment">//get size and location of application window</span>
<a name="l00029"></a>00029 QRect appRec = qApp->mainWidget()->frameGeometry();
<a name="l00030"></a>00030 QRect windowRec = window->frameGeometry();
<a name="l00031"></a>00031 <span class="comment">//---------------------------------------------------------</span>
<a name="l00032"></a>00032 <span class="comment">//if new window smaller then application window then center window</span>
<a name="l00033"></a>00033 <span class="comment">//over application window, otherwise align left/top with application window</span>
<a name="l00034"></a>00034 <span class="keywordtype">int</span> x, y;
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="comment">//horizontal alignment</span>
<a name="l00037"></a>00037 <span class="keywordflow">if</span>(windowRec.width() < appRec.width())
<a name="l00038"></a>00038 { x = appRec.x() + ((appRec.width() - windowRec.width())/2); }
<a name="l00039"></a>00039 <span class="keywordflow">else</span>
<a name="l00040"></a>00040 { x = appRec.x(); }
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="comment">//vertical alignment</span>
<a name="l00043"></a>00043 <span class="keywordflow">if</span>(windowRec.height() < appRec.height())
<a name="l00044"></a>00044 { y = appRec.y() + ((appRec.height() - windowRec.height())/2); }
<a name="l00045"></a>00045 <span class="keywordflow">else</span>
<a name="l00046"></a>00046 { y = appRec.y(); }
<a name="l00047"></a>00047 <span class="comment">//---------------------------------------------------------</span>
<a name="l00048"></a>00048 <span class="comment">//ensure window is not off screen, favor top/left sides of window is bigger than screen!</span>
<a name="l00049"></a>00049 QRect screen = QApplication::desktop()->availableGeometry();
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="comment">//right</span>
<a name="l00052"></a>00052 <span class="keywordflow">if</span>(x + windowRec.width() > screen.width() )
<a name="l00053"></a>00053 x = screen.width() - windowRec.width();
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="comment">//left</span>
<a name="l00056"></a>00056 <span class="keywordflow">if</span>(x < 0)
<a name="l00057"></a>00057 x = 0;
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="comment">//bottom</span>
<a name="l00060"></a>00060 <span class="keywordflow">if</span>(y + windowRec.height() > screen.height() )
<a name="l00061"></a>00061 y = screen.height() - windowRec.height();
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="comment">//top</span>
<a name="l00064"></a>00064 <span class="keywordflow">if</span>(y < 0)
<a name="l00065"></a>00065 y = 0;
<a name="l00066"></a>00066 <span class="comment">//---------------------------------------------------------</span>
<a name="l00067"></a>00067 <span class="comment">//place window</span>
<a name="l00068"></a>00068 window->move( QPoint( x, y) );
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070 <span class="comment">//==============================================</span>
<a name="l00071"></a><a class="code" href="guiTools_8h.html#a11db678e68ab73691473aa2d4ff8bfc">00071</a> QString <a class="code" href="guiTools_8cpp.html#a11db678e68ab73691473aa2d4ff8bfc" title="clip text to fit within numer of lines and max width">clipText</a>(QString <span class="keywordtype">string</span>, <span class="keywordtype">int</span> lines, <span class="keywordtype">int</span> lineWidth)
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 <span class="keywordflow">if</span>(lineWidth == 0)
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 <span class="comment">// cout << "ERROR: given 0 width when clipping: " << string << endl;</span>
<a name="l00076"></a>00076 <span class="keywordflow">return</span> <span class="stringliteral">""</span>;
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078
<a name="l00079"></a>00079 QString result = <span class="stringliteral">""</span>;
<a name="l00080"></a>00080 QString building = <span class="stringliteral">""</span>;
<a name="l00081"></a>00081 QFontMetrics fm( qApp->font() );
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="comment">//decrement characters off head of string for each line</span>
<a name="l00084"></a>00084 <span class="keywordflow">while</span>(<span class="keywordtype">string</span>.length() > 0 && lines > 0)
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 <span class="keywordtype">bool</span> spaceFound = <span class="keyword">false</span>;
<a name="l00087"></a>00087 QString line = <span class="stringliteral">""</span>;
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="comment">//while there are character to be popped up</span>
<a name="l00090"></a>00090 <span class="keywordflow">while</span>(<span class="keywordtype">string</span>.length() > 0)
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092 <span class="comment">//if we can afford to add this character, add it to the building string</span>
<a name="l00093"></a>00093 <span class="comment">//then update the character found, and space found strings</span>
<a name="l00094"></a>00094 <span class="keywordflow">if</span>(fm.width( QString(line + building + <span class="keywordtype">string</span>.at(0) ) ) < lineWidth )
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 building = building + <span class="keywordtype">string</span>.at(0);
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="comment">//found a space, add this space and all built up words to the text for this line, no need</span>
<a name="l00099"></a>00099 <span class="comment">//to wrap what has been found so far</span>
<a name="l00100"></a>00100 <span class="keywordflow">if</span>(<span class="keywordtype">string</span>.at(0) == <span class="charliteral">' '</span>) <span class="comment">// QChar::Separator_Space)</span>
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 line = line + building;
<a name="l00103"></a>00103 building = <span class="stringliteral">""</span>;
<a name="l00104"></a>00104 spaceFound = <span class="keyword">true</span>;
<a name="l00105"></a>00105 <span class="keywordtype">string</span> = <span class="keywordtype">string</span>.remove(0, 1);
<a name="l00106"></a>00106 <span class="keywordflow">continue</span>;
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="keywordtype">string</span> = <span class="keywordtype">string</span>.remove(0, 1);
<a name="l00110"></a>00110 <span class="keywordflow">if</span>(<span class="keywordtype">string</span>.length() == 0)
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112 line = line + building;
<a name="l00113"></a>00113 building = <span class="stringliteral">""</span>;
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117 <span class="comment">//uh oh, can't add this character? move to next line</span>
<a name="l00118"></a>00118 <span class="keywordflow">else</span>
<a name="l00119"></a>00119 {
<a name="l00120"></a>00120 <span class="comment">//if no spaces found up to this point, suck up character so far, we're breaking on this one</span>
<a name="l00121"></a>00121 <span class="keywordflow">if</span>(!spaceFound || lines == 1)
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 <span class="keywordflow">if</span>(lines == 1)
<a name="l00124"></a>00124 building = building + string;
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="comment">//if this is the last line then make sure we have enough space for the ...</span>
<a name="l00127"></a>00127 line = line + building;
<a name="l00128"></a>00128 <span class="keywordflow">if</span>(fm.width( line ) > lineWidth )
<a name="l00129"></a>00129 {
<a name="l00130"></a>00130 <span class="keywordflow">while</span>( fm.width(line + <span class="stringliteral">"..."</span>) > lineWidth )
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 line.truncate( line.length() - 1);
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134 line = line + <span class="stringliteral">"..."</span>;
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136 building = <span class="stringliteral">""</span>;
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138 <span class="keywordflow">break</span>;
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="comment">//move on to next line</span>
<a name="l00143"></a>00143 result = result + line;
<a name="l00144"></a>00144 line = <span class="stringliteral">""</span>;
<a name="l00145"></a>00145 lines--;
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="keywordflow">return</span> result;
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150 <span class="comment">//==============================================</span>
<a name="l00151"></a><a class="code" href="guiTools_8h.html#ca849d056a269c9efa2f3130840e5c0f">00151</a> QString <a class="code" href="guiTools_8cpp.html#ca849d056a269c9efa2f3130840e5c0f" title="clip photo text">clipPhotoText</a>(<span class="keyword">const</span> QString in)
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153 <span class="keywordflow">if</span>(in.length() > <a class="code" href="guiTools_8cpp.html#7a10b8bb937153f62cabb2034f3e3811">PHOTO_TEXT_LENGTH</a>)
<a name="l00154"></a>00154 {
<a name="l00155"></a>00155 QString res = in;
<a name="l00156"></a>00156 res.truncate(<a class="code" href="guiTools_8cpp.html#7a10b8bb937153f62cabb2034f3e3811">PHOTO_TEXT_LENGTH</a>-3); res = res + <span class="stringliteral">"..."</span>;
<a name="l00157"></a>00157 <span class="keywordflow">return</span> res;
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159 <span class="keywordflow">else</span>
<a name="l00160"></a>00160 <span class="keywordflow">return</span> in;
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162 <span class="comment">//==============================================</span>
</pre></div></div>
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