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<h2><a name="content"></a>karm</h2>
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<h1>ktimewidget.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include <stdlib.h></span> <span class="comment">// abs()</span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="preprocessor">#include <qlabel.h></span>
<a name="l00004"></a>00004 <span class="preprocessor">#include <qlayout.h></span>
<a name="l00005"></a>00005 <span class="preprocessor">#include <qlineedit.h></span>
<a name="l00006"></a>00006 <span class="preprocessor">#include <qstring.h></span>
<a name="l00007"></a>00007 <span class="preprocessor">#include <qvalidator.h></span>
<a name="l00008"></a>00008 <span class="preprocessor">#include <qwidget.h></span>
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="preprocessor">#include <klocale.h></span> <span class="comment">// i18n</span>
<a name="l00011"></a>00011 <span class="preprocessor">#include "ktimewidget.h"</span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="keyword">enum</span> ValidatorType { HOUR, MINUTE };
<a name="l00014"></a>00014
<a name="l00015"></a>00015 <span class="keyword">class </span>TimeValidator : <span class="keyword">public</span> QValidator
<a name="l00016"></a>00016 {
<a name="l00017"></a>00017 <span class="keyword">public</span>:
<a name="l00018"></a>00018 TimeValidator( ValidatorType tp, QWidget *parent=0, <span class="keyword">const</span> <span class="keywordtype">char</span> *name=0)
<a name="l00019"></a>00019 : QValidator(parent, name)
<a name="l00020"></a>00020 {
<a name="l00021"></a>00021 _tp = tp;
<a name="l00022"></a>00022 }
<a name="l00023"></a>00023 State validate(QString &str, <span class="keywordtype">int</span> &)<span class="keyword"> const</span>
<a name="l00024"></a>00024 <span class="keyword"> </span>{
<a name="l00025"></a>00025 <span class="keywordflow">if</span> (str.isEmpty())
<a name="l00026"></a>00026 <span class="keywordflow">return</span> Acceptable;
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="keywordtype">bool</span> ok;
<a name="l00029"></a>00029 <span class="keywordtype">int</span> val = str.toInt( &ok );
<a name="l00030"></a>00030 <span class="keywordflow">if</span> ( ! ok )
<a name="l00031"></a>00031 <span class="keywordflow">return</span> Invalid;
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="keywordflow">if</span> ( _tp==MINUTE && val >= 60 )
<a name="l00034"></a>00034 <span class="keywordflow">return</span> Invalid;
<a name="l00035"></a>00035 <span class="keywordflow">else</span>
<a name="l00036"></a>00036 <span class="keywordflow">return</span> Acceptable;
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keyword">public</span>:
<a name="l00040"></a>00040 ValidatorType _tp;
<a name="l00041"></a>00041 };
<a name="l00042"></a>00042
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keyword">class </span>KarmLineEdit : <span class="keyword">public</span> QLineEdit
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keyword">public</span>:
<a name="l00048"></a>00048 KarmLineEdit( QWidget* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name = 0 )
<a name="l00049"></a>00049 : QLineEdit( parent, name ) {}
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keyword">protected</span>:
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keyword">virtual</span> <span class="keywordtype">void</span> keyPressEvent( QKeyEvent *event )
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 QLineEdit::keyPressEvent( event );
<a name="l00056"></a>00056 <span class="keywordflow">if</span> ( text().length() == 2 && !event->text().isEmpty() )
<a name="l00057"></a>00057 focusNextPrevChild(<span class="keyword">true</span>);
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059 };
<a name="l00060"></a>00060
<a name="l00061"></a>00061
<a name="l00062"></a>00062 KArmTimeWidget::KArmTimeWidget( QWidget* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name )
<a name="l00063"></a>00063 : QWidget(parent, name)
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 QHBoxLayout *layout = <span class="keyword">new</span> QHBoxLayout(<span class="keyword">this</span>);
<a name="l00066"></a>00066
<a name="l00067"></a>00067 _hourLE = <span class="keyword">new</span> QLineEdit( <span class="keyword">this</span>);
<a name="l00068"></a>00068 <span class="comment">// 9999 hours > 1 year!</span>
<a name="l00069"></a>00069 <span class="comment">// 999 hours = 41 days (That should be enough ...)</span>
<a name="l00070"></a>00070 _hourLE->setFixedWidth( fontMetrics().maxWidth() * 3
<a name="l00071"></a>00071 + 2 * _hourLE->frameWidth() + 2);
<a name="l00072"></a>00072 layout->addWidget(_hourLE);
<a name="l00073"></a>00073 TimeValidator *validator = <span class="keyword">new</span> TimeValidator( HOUR, _hourLE,
<a name="l00074"></a>00074 <span class="stringliteral">"Validator for _hourLE"</span>);
<a name="l00075"></a>00075 _hourLE->setValidator( validator );
<a name="l00076"></a>00076 _hourLE->setAlignment( Qt::AlignRight );
<a name="l00077"></a>00077
<a name="l00078"></a>00078
<a name="l00079"></a>00079 QLabel *hr = <span class="keyword">new</span> QLabel( i18n( <span class="stringliteral">"abbreviation for hours"</span>, <span class="stringliteral">" hr. "</span> ), <span class="keyword">this</span> );
<a name="l00080"></a>00080 layout->addWidget( hr );
<a name="l00081"></a>00081
<a name="l00082"></a>00082 _minuteLE = <span class="keyword">new</span> KarmLineEdit(<span class="keyword">this</span>);
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="comment">// Minutes lineedit: Make room for 2 digits</span>
<a name="l00085"></a>00085 _minuteLE->setFixedWidth( fontMetrics().maxWidth() * 2
<a name="l00086"></a>00086 + 2 * _minuteLE->frameWidth() + 2);
<a name="l00087"></a>00087 layout->addWidget(_minuteLE);
<a name="l00088"></a>00088 validator = <span class="keyword">new</span> TimeValidator( MINUTE, _minuteLE, <span class="stringliteral">"Validator for _minuteLE"</span>);
<a name="l00089"></a>00089 _minuteLE->setValidator( validator );
<a name="l00090"></a>00090 _minuteLE->setMaxLength(2);
<a name="l00091"></a>00091 _minuteLE->setAlignment( Qt::AlignRight );
<a name="l00092"></a>00092
<a name="l00093"></a>00093 QLabel *min = <span class="keyword">new</span> QLabel( i18n( <span class="stringliteral">"abbreviation for minutes"</span>, <span class="stringliteral">" min. "</span> ), <span class="keyword">this</span> );
<a name="l00094"></a>00094 layout->addWidget( min );
<a name="l00095"></a>00095
<a name="l00096"></a>00096 layout->addStretch(1);
<a name="l00097"></a>00097 setFocusProxy( _hourLE );
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keywordtype">void</span> KArmTimeWidget::setTime( <span class="keywordtype">int</span> hour, <span class="keywordtype">int</span> minute )
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 QString dummy;
<a name="l00103"></a>00103
<a name="l00104"></a>00104 dummy.setNum( hour );
<a name="l00105"></a>00105 _hourLE->setText( dummy );
<a name="l00106"></a>00106
<a name="l00107"></a>00107 dummy.setNum( abs(minute) );
<a name="l00108"></a>00108 <span class="keywordflow">if</span> (abs(minute) < 10 ) {
<a name="l00109"></a>00109 dummy = QString::fromLatin1( <span class="stringliteral">"0"</span> ) + dummy;
<a name="l00110"></a>00110 }
<a name="l00111"></a>00111 _minuteLE->setText( dummy );
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keywordtype">long</span> KArmTimeWidget::time()<span class="keyword"> const</span>
<a name="l00115"></a>00115 <span class="keyword"></span>{
<a name="l00116"></a>00116 <span class="keywordtype">bool</span> ok;
<a name="l00117"></a>00117 <span class="keywordtype">int</span> h, m;
<a name="l00118"></a>00118
<a name="l00119"></a>00119 h = _hourLE->text().toInt( &ok );
<a name="l00120"></a>00120 m = _minuteLE->text().toInt( &ok );
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="comment">// if h is negative, we have to *subtract* m</span>
<a name="l00123"></a>00123 <span class="keywordflow">return</span> h * 60 + ( ( h < 0) ? -1 : 1 ) * m;
<a name="l00124"></a>00124 }
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