QtCollider/LanguageClient.cpp

   1 /************************************************************************
   2 *
   3 * Copyright 2011 Jakob Leben (jakob.leben@gmail.com)
   4 *
   5 * This file is part of SuperCollider Qt GUI.
   6 *
   7 * This program is free software: you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License as published by
   9 * the Free Software Foundation, either version 3 of the License, or
  10 * (at your option) any later version.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 *
  20 ************************************************************************/
  21
  22 #include "LanguageClient.h"
  23 #include "QcApplication.h"
  24 #include "QtCollider.h"
  25 #include "QObjectProxy.h"
  26
  27 #include <PyrKernel.h>
  28 #include <PyrLexer.h>
  29
  30 #include <qmath.h>
  31 #include <QWidget>
  32
  33 extern double elapsedTime();
  34
  35 using namespace QtCollider;
  36
  37 QC_PUBLIC
  38 int QtCollider::run(int argc, char** argv) {
  39   QtCollider::LangClient app("sclang");
  40   return app.run(argc, argv);
  41 }
  42
  43 LangClient::LangClient( const char* name )
  44 : SC_TerminalClient( name )
  45 {
  46 }
  47
  48 void LangClient::doInput()
  49 {
  50   qcDebugMsg(2, "input");
  51   lockInput();
  52   interpretInput();
  53   QApplication::removePostedEvents( this, Event_SCRequest_Input );
  54   unlockInput();
  55 }
  56
  57 void LangClient::doSchedule()
  58 {
  59   qcDebugMsg(2, "tick");
  60
  61   double t;
  62   bool next;
  63
  64   lock();
  65   next = tickLocked( &t );
  66   QApplication::removePostedEvents( this, Event_SCRequest_Sched );
  67   unlock();
  68
  69   flush();
  70
  71   if( next ) {
  72     t -= elapsedTime();
  73     t *= 1000;
  74     int ti = qMax(0,qCeil(t));
  75     qcDebugMsg(2, QString("next at %1").arg(ti) );
  76     appClockTimer.start( ti, this );
  77   }
  78   else {
  79     appClockTimer.stop();
  80   }
  81 }
  82
  83 void LangClient::commandLoop()
  84 {
  85   doSchedule();
  86   QcApplication::instance()->exec();
  87 }
  88
  89 void LangClient::daemonLoop()
  90 {
  91   commandLoop();
  92 }
  93
  94 void LangClient::sendSignal( Signal sig )
  95 {
  96   QtCollider::EventType type;
  97   switch( sig )
  98   {
  99     case sig_input:
 100       type = Event_SCRequest_Input; break;
 101     case sig_sched:
 102       type = Event_SCRequest_Sched; break;
 103     case sig_recompile:
 104       type = Event_SCRequest_Recompile; break;
 105     case sig_stop:
 106       type = Event_SCRequest_Stop; break;
 107     default:
 108       return;
 109   }
 110
 111   QApplication::postEvent( this, new SCRequestEvent(type) );
 112 }
 113
 114 void LangClient::onQuit( int exitCode )
 115 {
 116   QApplication::postEvent( this,
 117     new SCRequestEvent( Event_SCRequest_Quit, exitCode ) );
 118 }
 119
 120 void LangClient::onLibraryShutdown()
 121 {
 122   QWidgetList windows = QApplication::topLevelWidgets();
 123   Q_FOREACH( QWidget *w, windows )
 124     w->hide();
 125 }
 126
 127 void LangClient::customEvent( QEvent *e )
 128 {
 129   int type = e->type();
 130   switch( type ) {
 131     case Event_SCRequest_Input:
 132       doInput();
 133       break;
 134     case Event_SCRequest_Sched:
 135       doSchedule();
 136       break;
 137     case Event_SCRequest_Stop:
 138       stopMain();
 139       break;
 140     case Event_SCRequest_Quit:
 141     {
 142       int code = static_cast<SCRequestEvent*>(e)->data.toInt();
 143       qcDebugMsg( 1, QString("Quit requested with code %1").arg(code) );
 144       qApp->exit( code );
 145       break;
 146     }
 147     case Event_SCRequest_Recompile:
 148       recompileLibrary();
 149       break;
 150     default: ;
 151   }
 152 }
 153
 154 void LangClient::timerEvent( QTimerEvent *e )
 155 {
 156   if( e->timerId() == appClockTimer.timerId() ) doSchedule();
 157 }