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<title>Qwt User's Guide: qwt_analog_clock.cpp Source File</title>
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<h1>qwt_analog_clock.cpp</h1><pre class="fragment"><div>00001 <span class="preprocessor">#include "qwt_analog_clock.h"</span>
00002
<a name="l00008"></a><a class="code" href="class_qwt_analog_clock.html#a0">00008</a> <a class="code" href="class_qwt_analog_clock.html#a0">QwtAnalogClock::QwtAnalogClock</a>(QWidget *parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name):
00009 <a class="code" href="class_qwt_dial.html">QwtDial</a>(parent, name)
00010 {
00011 <a class="code" href="class_qwt_dial.html#a10">setWrapping</a>(TRUE);
00012 <a class="code" href="class_qwt_slider_base.html#i3">setReadOnly</a>(TRUE);
00013
00014 <a class="code" href="class_qwt_dial.html#a18">setOrigin</a>(270.0);
00015 <a class="code" href="class_qwt_dbl_range.html#a2">setRange</a>(0.0, 60.0 * 60.0 * 12.0); <span class="comment">// seconds</span>
00016 <a class="code" href="class_qwt_dial.html#a12">setScale</a>(-1, 5, 60.0 * 60.0);
00017
00018 <a class="code" href="class_qwt_dial.html#a14">setScaleOptions</a>(ScaleTicks | ScaleLabel);
00019 <a class="code" href="class_qwt_dial.html#a15">setScaleTicks</a>(1, 0, 8);
00020
00021 <span class="keyword">const</span> QColor knobColor =
00022 palette().color(QPalette::Active, QColorGroup::Text).dark(120);
00023
00024 QColor handColor;
00025 <span class="keywordtype">int</span> width;
00026
00027 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < NHands; i++ )
00028 {
00029 <span class="keywordflow">if</span> ( i == SecondHand )
00030 {
00031 width = 2;
00032 handColor = knobColor.dark(120);
00033 }
00034 <span class="keywordflow">else</span>
00035 {
00036 width = 8;
00037 handColor = knobColor;
00038 }
00039
00040 <a class="code" href="class_qwt_dial_simple_needle.html">QwtDialSimpleNeedle</a> *<a class="code" href="class_qwt_analog_clock.html#a3">hand</a> = <span class="keyword">new</span> <a class="code" href="class_qwt_dial_simple_needle.html">QwtDialSimpleNeedle</a>(
00041 QwtDialSimpleNeedle::Arrow, TRUE, handColor, knobColor);
00042 hand-><a class="code" href="class_qwt_dial_simple_needle.html#a2">setWidth</a>(width);
00043
00044 d_hand[i] = NULL;
00045 <a class="code" href="class_qwt_analog_clock.html#a2">setHand</a>((Hand)i, hand);
00046 }
00047 }
00048
<a name="l00050"></a><a class="code" href="class_qwt_analog_clock.html#a1">00050</a> <a class="code" href="class_qwt_analog_clock.html#a1">QwtAnalogClock::~QwtAnalogClock</a>()
00051 {
00052 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < NHands; i++ )
00053 <span class="keyword">delete</span> d_hand[i];
00054 }
00055
00060 <span class="keywordtype">void</span> <a class="code" href="class_qwt_dial.html#a20">QwtAnalogClock::setNeedle</a>(<a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a> *)
00061 {
00062 <span class="comment">// no op</span>
00063 <span class="keywordflow">return</span>;
00064 }
00065
<a name="l00072"></a><a class="code" href="class_qwt_analog_clock.html#a2">00072</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_analog_clock.html#a2">QwtAnalogClock::setHand</a>(Hand hand, <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a> *needle)
00073 {
00074 <span class="keywordflow">if</span> ( hand >= 0 || hand < NHands )
00075 {
00076 <span class="keyword">delete</span> d_hand[hand];
00077 d_hand[hand] = needle;
00078 }
00079 }
00080
<a name="l00086"></a><a class="code" href="class_qwt_analog_clock.html#a4">00086</a> <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a> *<a class="code" href="class_qwt_analog_clock.html#a3">QwtAnalogClock::hand</a>(Hand hd)
00087 {
00088 <span class="keywordflow">if</span> ( hd < 0 || hd >= NHands )
00089 <span class="keywordflow">return</span> NULL;
00090
00091 <span class="keywordflow">return</span> d_hand[hd];
00092 }
00093
<a name="l00099"></a><a class="code" href="class_qwt_analog_clock.html#a3">00099</a> <span class="keyword">const</span> <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a> *<a class="code" href="class_qwt_analog_clock.html#a3">QwtAnalogClock::hand</a>(Hand hd)<span class="keyword"> const</span>
00100 <span class="keyword"></span>{
00101 <span class="keywordflow">return</span> ((<a class="code" href="class_qwt_analog_clock.html">QwtAnalogClock</a> *)<span class="keyword">this</span>)->hand(hd);
00102 }
00103
<a name="l00110"></a><a class="code" href="class_qwt_analog_clock.html#i0">00110</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_analog_clock.html#i0">QwtAnalogClock::setCurrentTime</a>()
00111 {
00112 <a class="code" href="class_qwt_analog_clock.html#i1">setTime</a>(QTime::currentTime());
00113 }
00114
<a name="l00119"></a><a class="code" href="class_qwt_analog_clock.html#i1">00119</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_analog_clock.html#i1">QwtAnalogClock::setTime</a>(<span class="keyword">const</span> QTime &time)
00120 {
00121 <span class="keywordflow">if</span> ( time.isValid() )
00122 {
00123 <a class="code" href="class_qwt_slider_base.html#i0">setValue</a>((time.hour() % 12) * 60.0 * 60.0
00124 + time.minute() * 60.0 + time.second());
00125 }
00126 <span class="keywordflow">else</span>
00127 <a class="code" href="class_qwt_slider_base.html#a11">setValid</a>(FALSE);
00128 }
00129
<a name="l00136"></a><a class="code" href="class_qwt_analog_clock.html#b0">00136</a> QString <a class="code" href="class_qwt_analog_clock.html#b0">QwtAnalogClock::scaleLabel</a>(<span class="keywordtype">double</span> value)<span class="keyword"> const</span>
00137 <span class="keyword"></span>{
00138 <span class="keywordflow">if</span> ( value == 0.0 )
00139 value = 60.0 * 60.0 * 12.0;
00140
00141 QString label;
00142 label.sprintf(<span class="stringliteral">"%d"</span>, <span class="keywordtype">int</span>(value / (60.0 * 60.0)));
00143
00144 <span class="keywordflow">return</span> label;
00145 }
00146
<a name="l00162"></a><a class="code" href="class_qwt_analog_clock.html#b1">00162</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_analog_clock.html#b1">QwtAnalogClock::drawNeedle</a>(QPainter *painter, <span class="keyword">const</span> QPoint &center,
00163 <span class="keywordtype">int</span> radius, <span class="keywordtype">double</span>, QPalette::ColorGroup cg)<span class="keyword"> const</span>
00164 <span class="keyword"></span>{
00165 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_slider_base.html#a10">isValid</a>() )
00166 {
00167 <span class="keyword">const</span> <span class="keywordtype">double</span> hours = <a class="code" href="class_qwt_dbl_range.html#a6">value</a>() / (60.0 * 60.0);
00168 <span class="keyword">const</span> <span class="keywordtype">double</span> minutes = (<a class="code" href="class_qwt_dbl_range.html#a6">value</a>() - (<span class="keywordtype">int</span>)hours * 60.0 * 60.0) / 60.0;
00169 <span class="keyword">const</span> <span class="keywordtype">double</span> seconds = <a class="code" href="class_qwt_dbl_range.html#a6">value</a>() - (<span class="keywordtype">int</span>)hours * 60.0 * 60.0
00170 - (<span class="keywordtype">int</span>)minutes * 60.0;
00171
00172 <a class="code" href="class_qwt_analog_clock.html#b2">drawHand</a>(painter, HourHand, center, radius,
00173 360.0 - (<a class="code" href="class_qwt_dial.html#a19">origin</a>() + 360.0 * hours / 12.0), cg);
00174 <a class="code" href="class_qwt_analog_clock.html#b2">drawHand</a>(painter, MinuteHand, center, radius,
00175 360.0 - (<a class="code" href="class_qwt_dial.html#a19">origin</a>() + 360.0 * minutes / 60.0), cg);
00176 <a class="code" href="class_qwt_analog_clock.html#b2">drawHand</a>(painter, SecondHand, center, radius,
00177 360.0 - (<a class="code" href="class_qwt_dial.html#a19">origin</a>() + 360.0 * seconds / 60.0), cg);
00178 }
00179 }
00180
<a name="l00191"></a><a class="code" href="class_qwt_analog_clock.html#b2">00191</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_analog_clock.html#b2">QwtAnalogClock::drawHand</a>(QPainter *painter, Hand hd,
00192 <span class="keyword">const</span> QPoint &center, <span class="keywordtype">int</span> radius, <span class="keywordtype">double</span> direction,
00193 QPalette::ColorGroup cg)<span class="keyword"> const</span>
00194 <span class="keyword"></span>{
00195 <span class="keyword">const</span> <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a> *needle = <a class="code" href="class_qwt_analog_clock.html#a3">hand</a>(hd);
00196 <span class="keywordflow">if</span> ( needle )
00197 {
00198 <span class="keywordflow">if</span> ( hd == HourHand )
00199 radius = qRound(0.8 * radius);
00200
00201 needle-><a class="code" href="class_qwt_dial_needle.html#a2">draw</a>(painter, center, radius, direction, cg);
00202 }
00203 }
</div></pre><hr size="1"><address style="align: right;"><small>Generated on Tue Nov 16 21:12:20 2004 for Qwt User's Guide by
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