temporary workarround to prevent high cpuloads after first app is launched

1 files changed, 3 insertions, 1 deletions

diff --git a/core/launcher/launcherview.cpp b/core/launcher/launcherview.cpp
index 9f86136..dbcb0d7 100644
--- a/core/launcher/launcherview.cpp
+++ b/core/launcher/launcherview.cpp
@@ -1,300 +1,302 @@
 /**********************************************************************
 ** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
 **
 ** This file is part of the Qtopia Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
 **
 ** Contact info@trolltech.com if any conditions of this licensing are
 ** not clear to you.
 **
 **********************************************************************/
 
 #include "launcherview.h"
 
 #include <qpe/qpeapplication.h>
 #include <qpe/applnk.h>
 #include <qpe/qpedebug.h>
 #include <qpe/categories.h>
 #include <qpe/categoryselect.h>
 #include <qpe/menubutton.h>
 #include <qpe/mimetype.h>
 #include <qpe/resource.h>
 #include <qpe/qpetoolbar.h>
 //#include <qtopia/private/palmtoprecord.h>
 
 #include <qtimer.h>
 #include <qtextstream.h>
 #include <qdict.h>
 #include <qfile.h>
 #include <qfileinfo.h>
 #include <qhbox.h>
 #include <qiconview.h>
 #include <qpainter.h>
 #include <qregexp.h>
 #include <qtoolbutton.h>
 #include <qimage.h>
 
 
 class BgPixmap
 {
 public:
     BgPixmap( const QPixmap &p ) : pm(p), ref(1) {}
     QPixmap pm;
     int ref;
 };
 
 static QMap<QString,BgPixmap*> *bgCache = 0;
 
 class LauncherIconView : public QIconView {
 public:
     LauncherIconView( QWidget* parent, const char* name=0 ) :
         QIconView(parent,name),
         tf(""),
         cf(0),
         bsy(0),
         bigIcns(TRUE),
         bgColor(white)
     {
         sortmeth = Name;
         hidden.setAutoDelete(TRUE);
         ike = FALSE;
         busytimer = 0;
         calculateGrid( Bottom );
     }
 
     ~LauncherIconView()
     {
 #if 0 // debuggery
         QListIterator<AppLnk> it(hidden);
         AppLnk* l;
         while ((l=it.current())) {
             ++it;
             //qDebug("%p: hidden (should remove)",l);
         }
 #endif
     }
 
     QPixmap* busyPixmap() const { return (QPixmap*)&bpm; }
     QIconViewItem* busyItem() const { return bsy; }
     void setBigIcons( bool bi ) { bigIcns = bi; }
 
     void updateCategoriesAndMimeTypes();
 
     void doAutoScroll()
     {
         // We don't want rubberbanding (yet)
     }
 
     void setBusy(bool on)
     {
         QIconViewItem *c = on ? currentItem() : 0;
         if ( bsy != c ) {
             if ( bsy )
                 bsy-> repaint ( );
             bsy = c;
         
             if ( bsy ) {
                     busytimer = startTimer ( 150 );
                     busystate = 50;
-                    startTimer ( 0 );
+                // not sure what this startTimer is for, maybe i am just to tired. But 
+                // currently that causes 100% cpuload on app launch
+                //startTimer ( 0 );
             }
             else
                 killTimer ( busytimer );
         }
     }
 
     virtual void timerEvent ( QTimerEvent *te )
     {
         if ( !te || ( te-> timerId ( ) == busytimer )) {
             if ( bsy ) {
                 QPixmap *src = bsy-> QIconViewItem::pixmap();
                 QImage img = src->convertToImage();
                 QRgb* rgb;
                 int count;
                 if ( img.depth() == 32 ) {
                     rgb = (QRgb*)img.bits();
                     count = img.bytesPerLine()/sizeof(QRgb)*img.height();
                 } else {
                     rgb = img.colorTable();
                     count = img.numColors();
                 }
                 int rc, gc, bc;
                 int bs = ::abs ( busystate ) + 25;
                 colorGroup().highlight().rgb( &rc, &gc, &bc );
                 rc = rc * bs / 100;
                 gc = gc * bs / 100;
                 bc = bc * bs / 100;
                 
                 for ( int r = 0; r < count; r++, rgb++ ) {
                     int ri = rc + qRed   ( *rgb ) * ( 100 - bs ) / 100;
                     int gi = gc + qGreen ( *rgb ) * ( 100 - bs ) / 100;
                     int bi = bc + qBlue  ( *rgb ) * ( 100 - bs ) / 100;
                     int ai = qAlpha ( *rgb );
                     *rgb = qRgba ( ri, gi, bi, ai );
                 }
 
                 bpm.convertFromImage( img );
                 
                 bsy-> repaint ( );
 
                 busystate += 10;
                 if ( busystate > 50 )
                         busystate = -40;
             }
         }
     }
 
     bool inKeyEvent() const { return ike; }
     void keyPressEvent(QKeyEvent* e)
     {
         ike = TRUE;
         if ( e->key() == Key_F33 /* OK button */ || e->key() == Key_Space )
             returnPressed(currentItem());
         QIconView::keyPressEvent(e);
         ike = FALSE;
     }
 
     void addItem(AppLnk* app, bool resort=TRUE);
     bool removeLink(const QString& linkfile);
 
     QStringList mimeTypes() const;
     QStringList categories() const;
 
     void clear()
     {
         mimes.clear();
         cats.clear();
         QIconView::clear();
         hidden.clear();
     }
 
     void addCatsAndMimes(AppLnk* app)
     {
                 // QStringList c = app->categories();
                 // for (QStringList::ConstIterator cit=c.begin(); cit!=c.end(); ++cit) {
                 //     cats.replace(*cit,(void*)1);
                 // }
         QString maj=app->type();
         int sl=maj.find('/');
         if (sl>=0) {
             QString k;
             k = maj.left(12) == "application/" ? maj : maj.left(sl);
             mimes.replace(k,(void*)1);
         }
     }
 
     void setBackgroundPixmap( const QPixmap &pm ) {
         bgPixmap = pm;
     }
 
     void setBackgroundColor( const QColor &c ) {
         bgColor = c;
     }
 
     void drawBackground( QPainter *p, const QRect &r )
     {
         if ( !bgPixmap.isNull() ) {
            p->drawTiledPixmap( r, bgPixmap,
                    QPoint( (r.x() + contentsX()) % bgPixmap.width(),
                            (r.y() + contentsY()) % bgPixmap.height() ) );
         } else {
             p->fillRect( r, bgColor );
         }
     }
 
     void setItemTextPos( ItemTextPos pos )
     {
         calculateGrid( pos );
         QIconView::setItemTextPos( pos );
     }
 
     void hideOrShowItems(bool resort);
 
     void setTypeFilter(const QString& typefilter, bool resort)
     {
         tf = QRegExp(typefilter,FALSE,TRUE);
         hideOrShowItems(resort);
     }
 
     void setCategoryFilter( int catfilter, bool resort )
     {
         Categories cat;
         cat.load( categoryFileName() );
         QString str;
         if ( catfilter == -2 )
             cf = 0;
         else
             cf = catfilter;
         hideOrShowItems(resort);
     }
 
     enum SortMethod { Name, Date, Type };
 
     void setSortMethod( SortMethod m )
     {
         if ( sortmeth != m ) {
             sortmeth = m;
             sort();
         }
     }
 
     int compare(const AppLnk* a, const AppLnk* b)
     {
         switch (sortmeth) {
         case Name:
             return a->name().compare(b->name());
         case Date: {
             QFileInfo fa(a->linkFileKnown() ? a->linkFile() : a->file());
             QFileInfo fb(b->linkFileKnown() ? b->linkFile() : b->file());
             return fa.lastModified().secsTo(fb.lastModified());
         }
         case Type:
             return a->type().compare(b->type());
         }
         return 0;
     }
 
     QString getAllDocLinkInfo() const;
 
 protected:
 
     void styleChange( QStyle &old )
     {
         QIconView::styleChange( old );
         calculateGrid( itemTextPos() );
     }
 
     void calculateGrid( ItemTextPos pos )
     {
         int dw = QApplication::desktop()->width();
         int viewerWidth = dw-style().scrollBarExtent().width();
         if ( pos == Bottom ) {
             int cols = 3;
             if ( viewerWidth <= 200 )
                 cols = 2;
             else if ( viewerWidth >= 400 )
                  cols = viewerWidth/96;
             setSpacing( 4 );
             setGridX( (viewerWidth-(cols+1)*spacing())/cols );
             setGridY( fontMetrics().height()*2+24 );
         } else {
             int cols = 2;
             if ( viewerWidth < 150 )
                 cols = 1;
             else if ( viewerWidth >= 400 )
                  cols = viewerWidth/150;
             setSpacing( 2 );
             setGridX( (viewerWidth-(cols+1)*spacing())/cols );
             setGridY( fontMetrics().height()+2 );
         }
     }