<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en_US" xml:lang="en_US"> <head> <title>libkscreensaver: kscreensaver.cpp Source File (libkscreensaver)</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="pics-label" content='(pics-1.1 "http://www.icra.org/ratingsv02.html" comment "ICRAonline DE v2.0" l gen true for "http://www.kde.org" r (nz 1 vz 1 lz 1 oz 1 cb 1) "http://www.rsac.org/ratingsv01.html" l gen true for "http://www.kde.org" r (n 0 s 0 v 0 l 0))' /> <meta name="trademark" content="KDE e.V." /> <meta name="description" content="K Desktop Environment Homepage, KDE.org" /> <meta name="MSSmartTagsPreventParsing" content="true" /> <meta name="robots" content="all" /> <link rel="shortcut icon" href="../../favicon.ico" /> <link rel="stylesheet" media="screen" type="text/css" title="APIDOX" href="doxygen.css" /> </head> <body> <div id="nav_header_top" align="right"> <a href="#content" class="doNotDisplay" accesskey="2">Skip to main content ::</a> <a href="../.."><img id="nav_header_logo" alt="Home" align="left" src="../../kde_gear_64.png" border="0" /></a> <span class="doNotDisplay">::</span> <div id="nav_header_title" align="left">KDE API Reference</div> </div> <div id="nav_header_bottom" align="right"> <span class="doNotDisplay">:: <a href="#navigation" accesskey="5">Skip to Link Menu</a><br/></span> <div id="nav_header_bottom_right" style="text-align: left;"> / <a href="../..">API Reference</a> / <a href=".">libkscreensaver</a> </div> </div> <table id="main" border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td valign="top" class="menuheader" height="0"></td> <td id="contentcolumn" valign="top" rowspan="2" > <div id="content" style="padding-top: 0px;"><div style="width:100%; margin: 0px; padding: 0px;"> <a name="content"></a> <!-- Generated by Doxygen 1.4.4 --> <div class="nav"> <a class="el" href="dir_000000.html">libkscreensaver</a></div> <h1>kscreensaver.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* This file is part of the KDE libraries</span> <a name="l00002"></a>00002 <span class="comment"></span> <a name="l00003"></a>00003 <span class="comment"> Copyright (c) 2001 Martin R. Jones <mjones@kde.org></span> <a name="l00004"></a>00004 <span class="comment"></span> <a name="l00005"></a>00005 <span class="comment"> This library is free software; you can redistribute it and/or</span> <a name="l00006"></a>00006 <span class="comment"> modify it under the terms of the GNU Library General Public</span> <a name="l00007"></a>00007 <span class="comment"> License as published by the Free Software Foundation; either</span> <a name="l00008"></a>00008 <span class="comment"> version 2 of the License, or (at your option) any later version.</span> <a name="l00009"></a>00009 <span class="comment"></span> <a name="l00010"></a>00010 <span class="comment"> This library is distributed in the hope that it will be useful,</span> <a name="l00011"></a>00011 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span> <a name="l00012"></a>00012 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span> <a name="l00013"></a>00013 <span class="comment"> Library General Public License for more details.</span> <a name="l00014"></a>00014 <span class="comment"></span> <a name="l00015"></a>00015 <span class="comment"> You should have received a copy of the GNU Library General Public License</span> <a name="l00016"></a>00016 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span> <a name="l00017"></a>00017 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span> <a name="l00018"></a>00018 <span class="comment"> Boston, MA 02110-1301, USA.</span> <a name="l00019"></a>00019 <span class="comment">*/</span> <a name="l00020"></a>00020 <a name="l00021"></a>00021 <span class="preprocessor">#include <qpainter.h></span> <a name="l00022"></a>00022 <span class="preprocessor">#include <qtimer.h></span> <a name="l00023"></a>00023 <span class="preprocessor">#include <kapplication.h></span> <a name="l00024"></a>00024 <span class="preprocessor">#include "kscreensaver.h"</span> <a name="l00025"></a>00025 <span class="preprocessor">#ifdef Q_WS_X11</span> <a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#include <X11/Xlib.h></span> <a name="l00027"></a>00027 <span class="preprocessor">#else</span> <a name="l00028"></a>00028 <span class="preprocessor"></span><span class="keyword">typedef</span> WId Window; <a name="l00029"></a>00029 <span class="preprocessor">#endif</span> <a name="l00030"></a>00030 <span class="preprocessor"></span> <a name="l00031"></a>00031 <span class="preprocessor">#undef KeyPress</span> <a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#undef KeyRelease</span> <a name="l00033"></a>00033 <span class="preprocessor"></span> <a name="l00034"></a>00034 <span class="comment">//-----------------------------------------------------------------------------</span> <a name="l00035"></a>00035 <a name="l00036"></a>00036 <span class="keyword">class </span>KScreenSaverPrivate <a name="l00037"></a>00037 { <a name="l00038"></a>00038 <span class="keyword">public</span>: <a name="l00039"></a>00039 <a class="codeRef" doxygen="qt.tag:" href="qwidget.html">QWidget</a> *owner; <a name="l00040"></a>00040 }; <a name="l00041"></a>00041 <a name="l00042"></a><a class="code" href="classKScreenSaver.html#a0">00042</a> <a class="code" href="classKScreenSaver.html#a0">KScreenSaver::KScreenSaver</a>( WId <span class="keywordtype">id</span> ) : <a class="codeRef" doxygen="qt.tag:" href="qwidget.html">QWidget</a>() <a name="l00043"></a>00043 { <a name="l00044"></a>00044 Window root; <a name="l00045"></a>00045 <span class="keywordtype">int</span> ai; <a name="l00046"></a>00046 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> au; <a name="l00047"></a>00047 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> w = 0; <a name="l00048"></a>00048 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> h = 0; <a name="l00049"></a>00049 <a name="l00050"></a>00050 d = <span class="keyword">new</span> KScreenSaverPrivate; <a name="l00051"></a>00051 d->owner = <a class="codeRef" doxygen="qt.tag:" href="qwidget.html#find">find</a>( <span class="keywordtype">id</span> ); <a name="l00052"></a>00052 <span class="keywordflow">if</span> ( d->owner ) <a name="l00053"></a>00053 installEventFilter( <span class="keyword">this</span> ); <a name="l00054"></a>00054 <a name="l00055"></a>00055 <span class="keywordflow">if</span> ( <span class="keywordtype">id</span> ) <a name="l00056"></a>00056 { <a name="l00057"></a>00057 <span class="preprocessor">#ifdef Q_WS_X11 //FIXME</span> <a name="l00058"></a>00058 <span class="preprocessor"></span> XGetGeometry(qt_xdisplay(), (Drawable)<span class="keywordtype">id</span>, &root, &ai, &ai, <a name="l00059"></a>00059 &w, &h, &au, &au); <a name="l00060"></a>00060 <span class="preprocessor">#endif</span> <a name="l00061"></a>00061 <span class="preprocessor"></span> <a name="l00062"></a>00062 <a class="codeRef" doxygen="qt.tag:" href="qwidget.html#create">create</a>( <span class="keywordtype">id</span>, <span class="keyword">false</span>, <span class="keyword">true</span> ); <a name="l00063"></a>00063 } <a name="l00064"></a>00064 <a name="l00065"></a>00065 <span class="keywordflow">if</span> ( w == 0 ) w = 600; <a name="l00066"></a>00066 <span class="keywordflow">if</span> ( h == 0 ) h = 420; <a name="l00067"></a>00067 <a class="codeRef" doxygen="qt.tag:" href="qwidget.html#resize">resize</a>( w, h ); <a name="l00068"></a>00068 KApplication::sendPostedEvents(); <a name="l00069"></a>00069 <a class="codeRef" doxygen="qt.tag:" href="qwidget.html#show">show</a>(); <a name="l00070"></a>00070 } <a name="l00071"></a>00071 <a name="l00072"></a><a class="code" href="classKScreenSaver.html#a1">00072</a> <a class="code" href="classKScreenSaver.html#a1">KScreenSaver::~KScreenSaver</a>() <a name="l00073"></a>00073 { <a name="l00074"></a>00074 <a class="codeRef" doxygen="qt.tag:" href="qwidget.html#destroy">destroy</a>( <span class="keyword">false</span>, <span class="keyword">false</span> ); <a name="l00075"></a>00075 <span class="keyword">delete</span> d; <a name="l00076"></a>00076 } <a name="l00077"></a>00077 <a name="l00078"></a><a class="code" href="classKScreenSaver.html#b0">00078</a> <span class="keywordtype">void</span> <a class="code" href="classKScreenSaver.html#b0">KScreenSaver::embed</a>( <a class="codeRef" doxygen="qt.tag:" href="qwidget.html">QWidget</a> *w ) <a name="l00079"></a>00079 { <a name="l00080"></a>00080 KApplication::sendPostedEvents(); <a name="l00081"></a>00081 <span class="preprocessor">#ifdef Q_WS_X11 //FIXME</span> <a name="l00082"></a>00082 <span class="preprocessor"></span> XReparentWindow(qt_xdisplay(), w-><a class="codeRef" doxygen="qt.tag:" href="qwidget.html#winId">winId</a>(), <a class="codeRef" doxygen="qt.tag:" href="qwidget.html#winId">winId</a>(), 0, 0); <a name="l00083"></a>00083 <span class="preprocessor">#endif</span> <a name="l00084"></a>00084 <span class="preprocessor"></span> w-><a class="codeRef" doxygen="qt.tag:" href="qwidget.html#setGeometry">setGeometry</a>( 0, 0, <a class="codeRef" doxygen="qt.tag:" href="qwidget.html#width">width</a>(), <a class="codeRef" doxygen="qt.tag:" href="qwidget.html#height">height</a>() ); <a name="l00085"></a>00085 KApplication::sendPostedEvents(); <a name="l00086"></a>00086 } <a name="l00087"></a>00087 <a name="l00088"></a><a class="code" href="classKScreenSaver.html#b1">00088</a> <span class="keywordtype">bool</span> <a class="code" href="classKScreenSaver.html#b1">KScreenSaver::eventFilter</a>( <a class="codeRef" doxygen="qt.tag:" href="qobject.html">QObject</a> *o, <a class="codeRef" doxygen="qt.tag:" href="qevent.html">QEvent</a> *e ) <a name="l00089"></a>00089 { <a name="l00090"></a>00090 <span class="comment">// make sure events get to the original window owner</span> <a name="l00091"></a>00091 <span class="keywordflow">if</span> ( d->owner && o == <span class="keyword">this</span> ) { <a name="l00092"></a>00092 <a class="codeRef" doxygen="qt.tag:" href="qapplication.html#sendEvent">QApplication::sendEvent</a>( d->owner, e ); <a name="l00093"></a>00093 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00094"></a>00094 } <a name="l00095"></a>00095 <a name="l00096"></a>00096 <span class="keywordflow">return</span> QWidget::eventFilter( o, e ); <a name="l00097"></a>00097 } <a name="l00098"></a>00098 <a name="l00099"></a>00099 <span class="comment">//============================================================================</span> <a name="l00100"></a>00100 <a name="l00101"></a>00101 <span class="keyword">class </span>KBlankEffectPrivate <a name="l00102"></a>00102 { <a name="l00103"></a>00103 <span class="keyword">public</span>: <a name="l00104"></a>00104 <a class="code" href="classKBlankEffect.html#w0">KBlankEffect::BlankEffect</a> currentEffect; <a name="l00105"></a>00105 <span class="keywordtype">int</span> effectProgress; <a name="l00106"></a>00106 <a class="codeRef" doxygen="qt.tag:" href="qtimer.html">QTimer</a> *timer; <a name="l00107"></a>00107 <a class="codeRef" doxygen="qt.tag:" href="qwidget.html">QWidget</a> *widget; <a name="l00108"></a>00108 }; <a name="l00109"></a>00109 <a name="l00110"></a>00110 <a class="code" href="classKBlankEffect.html#w0">KBlankEffect::BlankEffect</a> <a class="code" href="classKBlankEffect.html#t0">KBlankEffect::effects</a>[] = { <a name="l00111"></a>00111 &<a class="code" href="classKBlankEffect.html#b1">KBlankEffect::blankNormal</a>, <a name="l00112"></a>00112 &<a class="code" href="classKBlankEffect.html#b2">KBlankEffect::blankSweepRight</a>, <a name="l00113"></a>00113 &<a class="code" href="classKBlankEffect.html#b3">KBlankEffect::blankSweepDown</a>, <a name="l00114"></a>00114 &<a class="code" href="classKBlankEffect.html#b4">KBlankEffect::blankBlocks</a> <a name="l00115"></a>00115 }; <a name="l00116"></a>00116 <a name="l00117"></a><a class="code" href="classKBlankEffect.html#a0">00117</a> <a class="code" href="classKBlankEffect.html#a0">KBlankEffect::KBlankEffect</a>( <a class="codeRef" doxygen="qt.tag:" href="qobject.html">QObject</a> *parent ) : <a class="codeRef" doxygen="qt.tag:" href="qobject.html">QObject</a>( parent ) <a name="l00118"></a>00118 { <a name="l00119"></a>00119 <a class="code" href="classKBlankEffect.html#p0">d</a> = <span class="keyword">new</span> KBlankEffectPrivate; <a name="l00120"></a>00120 <a class="code" href="classKBlankEffect.html#p0">d</a>->currentEffect = &<a class="code" href="classKBlankEffect.html#b1">KBlankEffect::blankNormal</a>; <a name="l00121"></a>00121 <a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress = 0; <a name="l00122"></a>00122 <a class="code" href="classKBlankEffect.html#p0">d</a>->timer = <span class="keyword">new</span> <a class="codeRef" doxygen="qt.tag:" href="qtimer.html">QTimer</a>( <span class="keyword">this</span> ); <a name="l00123"></a>00123 <a class="codeRef" doxygen="qt.tag:" href="qobject.html#connect">connect</a>( <a class="code" href="classKBlankEffect.html#p0">d</a>->timer, SIGNAL(<a class="code" href="classKBlankEffect.html#j0">timeout</a>()), <span class="keyword">this</span>, SLOT(<a class="code" href="classKBlankEffect.html#j0">timeout</a>()) ); <a name="l00124"></a>00124 } <a name="l00125"></a>00125 <a name="l00126"></a>00126 <a name="l00127"></a><a class="code" href="classKBlankEffect.html#a1">00127</a> <a class="code" href="classKBlankEffect.html#a1">KBlankEffect::~KBlankEffect</a>() <a name="l00128"></a>00128 { <a name="l00129"></a>00129 <span class="keyword">delete</span> <a class="code" href="classKBlankEffect.html#p0">d</a>; <a name="l00130"></a>00130 } <a name="l00131"></a>00131 <a name="l00132"></a><a class="code" href="classKBlankEffect.html#b0">00132</a> <span class="keywordtype">void</span> <a class="code" href="classKBlankEffect.html#b0">KBlankEffect::finished</a>() <a name="l00133"></a>00133 { <a name="l00134"></a>00134 <a class="code" href="classKBlankEffect.html#p0">d</a>->timer->stop(); <a name="l00135"></a>00135 <a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress = 0; <a name="l00136"></a>00136 emit <a class="code" href="classKBlankEffect.html#l0">doneBlank</a>(); <a name="l00137"></a>00137 } <a name="l00138"></a>00138 <a name="l00139"></a>00139 <a name="l00140"></a><a class="code" href="classKBlankEffect.html#a2">00140</a> <span class="keywordtype">void</span> <a class="code" href="classKBlankEffect.html#a2">KBlankEffect::blank</a>( <a class="codeRef" doxygen="qt.tag:" href="qwidget.html">QWidget</a> *w, <a class="code" href="classKBlankEffect.html#w7">Effect</a> effect ) <a name="l00141"></a>00141 { <a name="l00142"></a>00142 <span class="keywordflow">if</span> ( !w ) { <a name="l00143"></a>00143 emit <a class="code" href="classKBlankEffect.html#l0">doneBlank</a>(); <a name="l00144"></a>00144 <span class="keywordflow">return</span>; <a name="l00145"></a>00145 } <a name="l00146"></a>00146 <a name="l00147"></a>00147 <span class="keywordflow">if</span> ( effect == Random ) <a name="l00148"></a>00148 effect = (<a class="code" href="classKBlankEffect.html#w7">Effect</a>)(kapp->random() % MaximumEffects); <a name="l00149"></a>00149 <a name="l00150"></a>00150 <a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress = 0; <a name="l00151"></a>00151 <a class="code" href="classKBlankEffect.html#p0">d</a>->widget = w; <a name="l00152"></a>00152 <a class="code" href="classKBlankEffect.html#p0">d</a>->currentEffect = <a class="code" href="classKBlankEffect.html#t0">effects</a>[ (int)effect ]; <a name="l00153"></a>00153 <a class="code" href="classKBlankEffect.html#p0">d</a>->timer->start( 10 ); <a name="l00154"></a>00154 } <a name="l00155"></a>00155 <a name="l00156"></a><a class="code" href="classKBlankEffect.html#j0">00156</a> <span class="keywordtype">void</span> <a class="code" href="classKBlankEffect.html#j0">KBlankEffect::timeout</a>() <a name="l00157"></a>00157 { <a name="l00158"></a>00158 (this->*<a class="code" href="classKBlankEffect.html#p0">d</a>->currentEffect)(); <a name="l00159"></a>00159 } <a name="l00160"></a>00160 <a name="l00161"></a><a class="code" href="classKBlankEffect.html#b1">00161</a> <span class="keywordtype">void</span> <a class="code" href="classKBlankEffect.html#b1">KBlankEffect::blankNormal</a>() <a name="l00162"></a>00162 { <a name="l00163"></a>00163 <a class="codeRef" doxygen="qt.tag:" href="qpainter.html">QPainter</a> p( <a class="code" href="classKBlankEffect.html#p0">d</a>->widget ); <a name="l00164"></a>00164 p.<a class="codeRef" doxygen="qt.tag:" href="qpainter.html#fillRect">fillRect</a>( 0, 0, <a class="code" href="classKBlankEffect.html#p0">d</a>->widget->width(), <a class="code" href="classKBlankEffect.html#p0">d</a>->widget->height(), black ); <a name="l00165"></a>00165 <a class="code" href="classKBlankEffect.html#b0">finished</a>(); <a name="l00166"></a>00166 } <a name="l00167"></a>00167 <a name="l00168"></a>00168 <a name="l00169"></a><a class="code" href="classKBlankEffect.html#b2">00169</a> <span class="keywordtype">void</span> <a class="code" href="classKBlankEffect.html#b2">KBlankEffect::blankSweepRight</a>() <a name="l00170"></a>00170 { <a name="l00171"></a>00171 <a class="codeRef" doxygen="qt.tag:" href="qpainter.html">QPainter</a> p( <a class="code" href="classKBlankEffect.html#p0">d</a>->widget ); <a name="l00172"></a>00172 p.<a class="codeRef" doxygen="qt.tag:" href="qpainter.html#fillRect">fillRect</a>( <a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress, 0, 50, <a class="code" href="classKBlankEffect.html#p0">d</a>->widget->height(), black ); <a name="l00173"></a>00173 kapp->flushX(); <a name="l00174"></a>00174 <a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress += 50; <a name="l00175"></a>00175 <span class="keywordflow">if</span> ( <a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress >= <a class="code" href="classKBlankEffect.html#p0">d</a>->widget->width() ) <a name="l00176"></a>00176 <a class="code" href="classKBlankEffect.html#b0">finished</a>(); <a name="l00177"></a>00177 } <a name="l00178"></a>00178 <a name="l00179"></a>00179 <a name="l00180"></a><a class="code" href="classKBlankEffect.html#b3">00180</a> <span class="keywordtype">void</span> <a class="code" href="classKBlankEffect.html#b3">KBlankEffect::blankSweepDown</a>() <a name="l00181"></a>00181 { <a name="l00182"></a>00182 <a class="codeRef" doxygen="qt.tag:" href="qpainter.html">QPainter</a> p( <a class="code" href="classKBlankEffect.html#p0">d</a>->widget ); <a name="l00183"></a>00183 p.<a class="codeRef" doxygen="qt.tag:" href="qpainter.html#fillRect">fillRect</a>( 0, <a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress, <a class="code" href="classKBlankEffect.html#p0">d</a>->widget->width(), 50, black ); <a name="l00184"></a>00184 kapp->flushX(); <a name="l00185"></a>00185 <a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress += 50; <a name="l00186"></a>00186 <span class="keywordflow">if</span> ( <a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress >= <a class="code" href="classKBlankEffect.html#p0">d</a>->widget->height() ) <a name="l00187"></a>00187 <a class="code" href="classKBlankEffect.html#b0">finished</a>(); <a name="l00188"></a>00188 } <a name="l00189"></a>00189 <a name="l00190"></a>00190 <a name="l00191"></a><a class="code" href="classKBlankEffect.html#b4">00191</a> <span class="keywordtype">void</span> <a class="code" href="classKBlankEffect.html#b4">KBlankEffect::blankBlocks</a>() <a name="l00192"></a>00192 { <a name="l00193"></a>00193 <span class="keyword">static</span> <span class="keywordtype">int</span> *block = 0; <a name="l00194"></a>00194 <a name="l00195"></a>00195 <span class="keywordtype">int</span> bx = (<a class="code" href="classKBlankEffect.html#p0">d</a>->widget->width()+63)/64; <a name="l00196"></a>00196 <span class="keywordtype">int</span> by = (<a class="code" href="classKBlankEffect.html#p0">d</a>->widget->height()+63)/64; <a name="l00197"></a>00197 <a name="l00198"></a>00198 <span class="keywordflow">if</span> ( !<a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress ) { <a name="l00199"></a>00199 block = <span class="keyword">new</span> <span class="keywordtype">int</span> [ bx*by ]; <a name="l00200"></a>00200 <a name="l00201"></a>00201 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < bx*by; i++ ) <a name="l00202"></a>00202 block[i] = i; <a name="l00203"></a>00203 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < bx*by; i++ ) { <a name="l00204"></a>00204 <span class="keywordtype">int</span> swap = kapp->random()%(bx*by); <a name="l00205"></a>00205 <span class="keywordtype">int</span> tmp = block[i]; <a name="l00206"></a>00206 block[i] = block[swap]; <a name="l00207"></a>00207 block[swap] = tmp; <a name="l00208"></a>00208 } <a name="l00209"></a>00209 } <a name="l00210"></a>00210 <a name="l00211"></a>00211 <a class="codeRef" doxygen="qt.tag:" href="qpainter.html">QPainter</a> p( <a class="code" href="classKBlankEffect.html#p0">d</a>->widget ); <a name="l00212"></a>00212 <a name="l00213"></a>00213 <span class="comment">// erase a couple of blocks at a time, otherwise it looks too slow</span> <a name="l00214"></a>00214 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < 2 && d->effectProgress < bx*by; i++ ) { <a name="l00215"></a>00215 <span class="keywordtype">int</span> x = block[<a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress]%bx; <a name="l00216"></a>00216 <span class="keywordtype">int</span> y = block[<a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress]/bx; <a name="l00217"></a>00217 p.<a class="codeRef" doxygen="qt.tag:" href="qpainter.html#fillRect">fillRect</a>( x*64, y*64, 64, 64, black ); <a name="l00218"></a>00218 <a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress++; <a name="l00219"></a>00219 } <a name="l00220"></a>00220 <a name="l00221"></a>00221 kapp->flushX(); <a name="l00222"></a>00222 <a name="l00223"></a>00223 <span class="keywordflow">if</span> ( <a class="code" href="classKBlankEffect.html#p0">d</a>->effectProgress >= bx*by ) { <a name="l00224"></a>00224 <span class="keyword">delete</span>[] block; <a name="l00225"></a>00225 <a class="code" href="classKBlankEffect.html#b0">finished</a>(); <a name="l00226"></a>00226 } <a name="l00227"></a>00227 } <a name="l00228"></a>00228 <a name="l00229"></a>00229 <span class="preprocessor">#include "kscreensaver.moc"</span> </pre></div> </div></div> </td> </tr> <tr> <td valign="top" id="leftmenu" width="25%"> <a name="navigation"></a> <div class="menu_box"><h2>libkscreensaver</h2> <div class="nav_list"> <ul><li><a href="index.html">Main Page</a></li><li><a href="hierarchy.html">Class Hierarchy</a></li><li><a href="classes.html">Alphabetical 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