<?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>karm: desktoptracker.cpp Source File (karm)</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" /> <style type="text/css"> <!-- hr { display: none; } #content h2 { margin-left: 0px; } table.mdTable { background-color: #f8f8f8; border: .2em solid #d7d7d7; } td.mdRow { padding: 8px 20px; } td.md { font-weight: bold; } td.mdname1 { font-weight: bold; color: #602020; } td.mdname { font-weight: bold; color: #602020; } --> </style> </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> <img id="nav_header_logo_right" alt="" align="right" src="../../pimlogo.png" border="0" /> <div id="nav_header_title" align="left">KDE PIM 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_left" style="text-align: left;"> / <a href="../../">API Reference</a> / <a href=".">karm</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;"> <h2><a name="content"></a>karm</h2> <!-- Generated by Doxygen 1.5.5 --> <h1>desktoptracker.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include <algorithm></span> <span class="comment">// std::find</span> <a name="l00002"></a>00002 <a name="l00003"></a>00003 <span class="preprocessor">#include <qtimer.h></span> <a name="l00004"></a>00004 <span class="preprocessor">#include <kdebug.h></span> <a name="l00005"></a>00005 <a name="l00006"></a>00006 <span class="preprocessor">#include "desktoptracker.h"</span> <a name="l00007"></a>00007 <a name="l00008"></a>00008 <span class="comment">// TODO: Put in config dialog</span> <a name="l00009"></a>00009 <span class="keyword">const</span> <span class="keywordtype">int</span> minimumInterval = 5; <span class="comment">// seconds</span> <a name="l00010"></a>00010 <a name="l00011"></a>00011 DesktopTracker::DesktopTracker () <a name="l00012"></a>00012 { <a name="l00013"></a>00013 <span class="comment">// Setup desktop change handling</span> <a name="l00014"></a>00014 connect( &kWinModule, SIGNAL( currentDesktopChanged(<span class="keywordtype">int</span>) ), <a name="l00015"></a>00015 <span class="keyword">this</span>, SLOT( handleDesktopChange(<span class="keywordtype">int</span>) )); <a name="l00016"></a>00016 <a name="l00017"></a>00017 _desktopCount = kWinModule.numberOfDesktops(); <a name="l00018"></a>00018 _previousDesktop = kWinModule.currentDesktop()-1; <a name="l00019"></a>00019 <span class="comment">// TODO: removed? fixed by Lubos?</span> <a name="l00020"></a>00020 <span class="comment">// currentDesktop will return 0 if no window manager is started</span> <a name="l00021"></a>00021 <span class="keywordflow">if</span>( _previousDesktop < 0 ) _previousDesktop = 0; <a name="l00022"></a>00022 <a name="l00023"></a>00023 _timer = <span class="keyword">new</span> QTimer(<span class="keyword">this</span>); <a name="l00024"></a>00024 connect( _timer, SIGNAL( timeout() ), <span class="keyword">this</span>, SLOT( changeTimers() ) ); <a name="l00025"></a>00025 } <a name="l00026"></a>00026 <a name="l00027"></a>00027 <span class="keywordtype">void</span> DesktopTracker::handleDesktopChange( <span class="keywordtype">int</span> desktop ) <a name="l00028"></a>00028 { <a name="l00029"></a>00029 _desktop = desktop; <a name="l00030"></a>00030 <a name="l00031"></a>00031 <span class="comment">// If user changes back and forth between desktops rapidly and frequently,</span> <a name="l00032"></a>00032 <span class="comment">// the data file can get huge fast if logging is turned on. Then saving</span> <a name="l00033"></a>00033 <span class="comment">// get's slower, etc. There's no benefit in saving a lot of start/stop </span> <a name="l00034"></a>00034 <span class="comment">// events that are very small. Wait a bit to make sure the user is settled.</span> <a name="l00035"></a>00035 <span class="keywordflow">if</span> ( !_timer->start( minimumInterval * 1000, <span class="keyword">true</span> ) ) changeTimers(); <a name="l00036"></a>00036 } <a name="l00037"></a>00037 <a name="l00038"></a>00038 <span class="keywordtype">void</span> DesktopTracker::changeTimers() <a name="l00039"></a>00039 { <a name="l00040"></a>00040 _desktop--; <span class="comment">// desktopTracker starts with 0 for desktop 1</span> <a name="l00041"></a>00041 <span class="comment">// notify start all tasks setup for running on desktop</span> <a name="l00042"></a>00042 TaskVector::iterator it; <a name="l00043"></a>00043 <a name="l00044"></a>00044 <span class="comment">// stop trackers for _previousDesktop</span> <a name="l00045"></a>00045 TaskVector tv = desktopTracker[_previousDesktop]; <a name="l00046"></a>00046 <span class="keywordflow">for</span> (it = tv.begin(); it != tv.end(); ++it) { <a name="l00047"></a>00047 emit leftActiveDesktop(*it); <a name="l00048"></a>00048 } <a name="l00049"></a>00049 <a name="l00050"></a>00050 <span class="comment">// start trackers for desktop</span> <a name="l00051"></a>00051 tv = desktopTracker[_desktop]; <a name="l00052"></a>00052 <span class="keywordflow">for</span> (it = tv.begin(); it != tv.end(); ++it) { <a name="l00053"></a>00053 emit reachedtActiveDesktop(*it); <a name="l00054"></a>00054 } <a name="l00055"></a>00055 _previousDesktop = _desktop; <a name="l00056"></a>00056 <a name="l00057"></a>00057 <span class="comment">// emit updateButtons();</span> <a name="l00058"></a>00058 } <a name="l00059"></a>00059 <a name="l00060"></a>00060 <span class="keywordtype">void</span> DesktopTracker::startTracking() <a name="l00061"></a>00061 { <a name="l00062"></a>00062 <span class="keywordtype">int</span> currentDesktop = kWinModule.currentDesktop() -1; <a name="l00063"></a>00063 <span class="comment">// TODO: removed? fixed by Lubos?</span> <a name="l00064"></a>00064 <span class="comment">// currentDesktop will return 0 if no window manager is started</span> <a name="l00065"></a>00065 <span class="keywordflow">if</span> ( currentDesktop < 0 ) currentDesktop = 0; <a name="l00066"></a>00066 <a name="l00067"></a>00067 TaskVector &tv = desktopTracker[ currentDesktop ]; <a name="l00068"></a>00068 TaskVector::iterator tit = tv.begin(); <a name="l00069"></a>00069 <span class="keywordflow">while</span>(tit!=tv.end()) { <a name="l00070"></a>00070 emit reachedtActiveDesktop(*tit); <a name="l00071"></a>00071 tit++; <a name="l00072"></a>00072 } <a name="l00073"></a>00073 } <a name="l00074"></a>00074 <a name="l00075"></a>00075 <span class="keywordtype">void</span> DesktopTracker::registerForDesktops( <a class="code" href="classTask.html" title="A class representing a task.">Task</a>* task, DesktopList desktopList) <a name="l00076"></a>00076 { <a name="l00077"></a>00077 <span class="comment">// if no desktop is marked, disable auto tracking for this task</span> <a name="l00078"></a>00078 <span class="keywordflow">if</span> (desktopList.size()==0) { <a name="l00079"></a>00079 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i<maxDesktops; i++) { <a name="l00080"></a>00080 TaskVector *v = &(desktopTracker[i]); <a name="l00081"></a>00081 TaskVector::iterator tit = std::find(v->begin(), v->end(), task); <a name="l00082"></a>00082 <span class="keywordflow">if</span> (tit != v->end()) <a name="l00083"></a>00083 desktopTracker[i].erase(tit); <a name="l00084"></a>00084 <span class="comment">// if the task was priviously tracking this desktop then</span> <a name="l00085"></a>00085 <span class="comment">// emit a signal that is not tracking it any more</span> <a name="l00086"></a>00086 <span class="keywordflow">if</span>( i == kWinModule.currentDesktop() -1) <a name="l00087"></a>00087 emit leftActiveDesktop(task); <a name="l00088"></a>00088 } <a name="l00089"></a>00089 <a name="l00090"></a>00090 <span class="keywordflow">return</span>; <a name="l00091"></a>00091 } <a name="l00092"></a>00092 <a name="l00093"></a>00093 <span class="comment">// If desktop contains entries then configure desktopTracker</span> <a name="l00094"></a>00094 <span class="comment">// If a desktop was disabled, it will not be stopped automatically.</span> <a name="l00095"></a>00095 <span class="comment">// If enabled: Start it now.</span> <a name="l00096"></a>00096 <span class="keywordflow">if</span> (desktopList.size()>0) { <a name="l00097"></a>00097 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i<maxDesktops; i++) { <a name="l00098"></a>00098 TaskVector& v = desktopTracker[i]; <a name="l00099"></a>00099 TaskVector::iterator tit = std::find(v.begin(), v.end(), task); <a name="l00100"></a>00100 <span class="comment">// Is desktop i in the desktop list?</span> <a name="l00101"></a>00101 <span class="keywordflow">if</span> ( std::find( desktopList.begin(), desktopList.end(), i) <a name="l00102"></a>00102 != desktopList.end()) { <a name="l00103"></a>00103 <span class="keywordflow">if</span> (tit == v.end()) <span class="comment">// not yet in start vector</span> <a name="l00104"></a>00104 v.push_back(task); <span class="comment">// track in desk i</span> <a name="l00105"></a>00105 } <a name="l00106"></a>00106 <span class="keywordflow">else</span> { <span class="comment">// delete it</span> <a name="l00107"></a>00107 <span class="keywordflow">if</span> (tit != v.end()) <span class="comment">// not in start vector any more</span> <a name="l00108"></a>00108 { <a name="l00109"></a>00109 v.erase(tit); <span class="comment">// so we delete it from desktopTracker</span> <a name="l00110"></a>00110 <span class="comment">// if the task was priviously tracking this desktop then</span> <a name="l00111"></a>00111 <span class="comment">// emit a signal that is not tracking it any more</span> <a name="l00112"></a>00112 <span class="keywordflow">if</span>( i == kWinModule.currentDesktop() -1) <a name="l00113"></a>00113 emit leftActiveDesktop(task); <a name="l00114"></a>00114 } <a name="l00115"></a>00115 } <a name="l00116"></a>00116 } <a name="l00117"></a>00117 startTracking(); <a name="l00118"></a>00118 } <a name="l00119"></a>00119 } <a name="l00120"></a>00120 <a name="l00121"></a>00121 <span class="keywordtype">void</span> DesktopTracker::printTrackers() { <a name="l00122"></a>00122 TaskVector::iterator it; <a name="l00123"></a>00123 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i<maxDesktops; i++) { <a name="l00124"></a>00124 TaskVector& start = desktopTracker[i]; <a name="l00125"></a>00125 it = start.begin(); <a name="l00126"></a>00126 <span class="keywordflow">while</span> (it != start.end()) { <a name="l00127"></a>00127 it++; <a name="l00128"></a>00128 } <a name="l00129"></a>00129 } <a name="l00130"></a>00130 } <a name="l00131"></a>00131 <span class="preprocessor">#include "desktoptracker.moc"</span> 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