Stop trying to scale a null image

1 files changed, 8 insertions, 6 deletions

diff --git a/core/launcher/startmenu.cpp b/core/launcher/startmenu.cpp
index f17c7f8..b84eed8 100644
--- a/core/launcher/startmenu.cpp
+++ b/core/launcher/startmenu.cpp
@@ -1,348 +1,350 @@
 /**********************************************************************

 ** 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.

 **

 **********************************************************************/

 

 // TODO. During startup

 // Launcher::typeAdded

 // is called for each new tab and calls then each time the refresh of startmenu

 // suboptimal

 

 #define INCLUDE_MENUITEM_DEF

 

 #include "startmenu.h"

 

 #include <qtopia/qpeapplication.h>

 #include <qtopia/config.h>

 #include <qtopia/applnk.h>

 #include <qtopia/global.h>

 #include <qtopia/resource.h>

 #include <qtopia/mimetype.h>

 #include <qtopia/qlibrary.h>

 

 #include <qdict.h>

 #include <qdir.h>

 //#include <qpainter.h>

 

 //#include <stdlib.h>

 

 

 #define APPLNK_ID_OFFSET 250

 #define NO_ID -1

 

 

 void StartPopupMenu::keyPressEvent( QKeyEvent *e )

 {

     if ( e->key() == Key_F33 || e->key() == Key_Space ) {

     	// "OK" button, little hacky

 	    QKeyEvent ke(QEvent::KeyPress, Key_Enter, 13, 0);

 	    QPopupMenu::keyPressEvent( &ke );

     } else {

 	    QPopupMenu::keyPressEvent( e );

     }

 }

 

 //---------------------------------------------------------------------------

 

 StartMenu::StartMenu(QWidget *parent) : QLabel( parent )

 {

     startButtonPixmap = "go"; // No tr

 

     int sz = AppLnk::smallIconSize()+3;

     QPixmap pm;

     pm.convertFromImage(Resource::loadImage( startButtonPixmap).smoothScale( sz,sz) );

     setPixmap(pm);

     setFocusPolicy( NoFocus );

 

     useWidePopupMenu = true;

     launchMenu = 0;

     refreshMenu();

 }

 

 

 void StartMenu::mousePressEvent( QMouseEvent * )

 {

     launch();

 }

 

 

 StartMenu::~StartMenu()

 {

     clearApplets();

 }

 

 void StartMenu::createMenu()

 {

     clearApplets();

     delete launchMenu;

 

     launchMenu = new StartPopupMenu( this );

     loadMenu( launchMenu );

     loadApplets();

 

     bool result = currentItem || menuApplets.count();

     if ( result )

 	    connect( launchMenu, SIGNAL(activated(int)), SLOT(itemSelected(int)) );

 }

 

 void StartMenu::refreshMenu()

 {

     Config cfg( "StartMenu" );

     cfg.setGroup( "Menu" );

     bool ltabs = cfg.readBoolEntry( "LauncherTabs", TRUE );

     bool lot = cfg.readBoolEntry( "LauncherOther", TRUE );

     useWidePopupMenu = cfg.readBoolEntry(  "LauncherSubPopup",  TRUE );

 

     if ( launchMenu && !(ltabs || lot) ) return; // nothing to do

 

 	createMenu();

 }

 

 void StartMenu::itemSelected( int id )

 {

     if ( id == NO_ID ) return;

 

     if ( id < 0 ) {

         MenuApplet *applet = menuApplets.find( id );

         if ( applet ) {

             applet->iface->activated();

         }

     } else if ( id >= APPLNK_ID_OFFSET ) {

     	AppLnk * appLnk = appLnks.find( id );

         if ( appLnk ) {

 		    appLnk->execute();

         }

     } else {

     	QString *tabName = tabNames.find( id );

         if ( tabName ) {

     		emit tabSelected( *tabName );

 	    }

     }

 }

 

 void StartMenu::createAppEntry( QPopupMenu *menu, QDir dir, QString file )

 {

     if ( file.right(8) == ".desktop" ) {

    		AppLnk* applnk = new AppLnk( dir.path() + "/" + file );

     	if ( !applnk->isValid() ) {

             delete applnk;

             return;

         }

 

 	    if ( applnk->type() == "Separator" ) { // No tr

 		    menu->insertSeparator();

     		delete applnk;

        	} else {

-       	    QPixmap test;

-            test.convertFromImage(

-                Resource::loadImage( applnk->icon() ).smoothScale(

-                    AppLnk::smallIconSize(), AppLnk::smallIconSize() ), 0 );

-

-	    	menu->insertItem( test, applnk->name(),

+                QPixmap test;

+                QImage img = Resource::loadImage( applnk->icon() );

+                if(!img.isNull() )

+                    test.convertFromImage(

+                           img.smoothScale(

+                            AppLnk::smallIconSize(), AppLnk::smallIconSize() ), 0 );

+

+                menu->insertItem( test, applnk->name(),

                               currentItem + APPLNK_ID_OFFSET );

             appLnks.insert( currentItem + APPLNK_ID_OFFSET, applnk );

             currentItem++;

    		}

     }

 

 }

 

 void StartMenu::createDirEntry( QPopupMenu *menu, QDir dir, QString file, bool lot )

 {

     // do some sanity checks and collect information

 

     if ( file == "." || file == ".." ) return;

 

     Config cfg( dir.path() + "/" + file + "/.directory", Config::File );

     if ( !cfg.isValid() ) return;

 

    	QString name = cfg.readEntry( "Name" );

     QString icon = cfg.readEntry( "Icon" );

 	if ( !name || !icon ) return;

 

     QDir subdir = QDir( dir );

     subdir.cd( file );

     subdir.setFilter( QDir::Files );

     subdir.setNameFilter( "*.desktop" );

     // we don' t show the menu if there are no entries

     // perhaps one should check if there exist subsubdirs with entries...

     if ( subdir.entryList().isEmpty() ) return;

 

     // checks were ok

 

     QPixmap test;

     test.convertFromImage( Resource::loadImage( icon ).smoothScale(

         AppLnk::smallIconSize(), AppLnk::smallIconSize() ), 0 );

 

 	if ( useWidePopupMenu ) {

         // generate submenu

         QPopupMenu *submenu = new QPopupMenu( menu );

         connect( submenu,  SIGNAL(activated(int)), SLOT(itemSelected(int)) );

         menu->insertItem( test, name, submenu, NO_ID );

 

         // ltabs is true cause else we wouldn't stuck around..

         createMenuEntries( submenu, subdir, true, lot );

     } else {

         // no submenus - just bring corresponding tab to front

         menu->insertItem( test, name, currentItem );

         tabNames.insert( currentItem, new QString( file ) );

         currentItem++;

     }

 }

 

 void StartMenu::createMenuEntries( QPopupMenu *menu, QDir dir, bool ltabs, bool lot )

 {

     if ( lot ) {

         dir.setFilter( QDir::Files );

         dir.setNameFilter( "*.desktop" );

         QStringList files = dir.entryList();

         files.sort();

 

         for ( QStringList::Iterator it = files.begin(); it != files.end(); it++ ) {

             createAppEntry( menu, dir, *it );

         }

     }

     if ( ltabs ) {

         dir.setNameFilter( "*" );

         dir.setFilter( QDir::Dirs );

         QStringList dirs = dir.entryList();

         dirs.sort();

 

         for ( QStringList::Iterator it = dirs.begin(); it != dirs.end(); it++ ) {

             createDirEntry( menu, dir, *it, lot );

     	}

     }

 }

 

 bool StartMenu::loadMenu( QPopupMenu *menu )

 {

     Config cfg("StartMenu");

     cfg.setGroup("Menu");

 

     bool ltabs = cfg.readBoolEntry("LauncherTabs", TRUE);

     bool lot = cfg.readBoolEntry("LauncherOther", TRUE);

     useWidePopupMenu = cfg.readBoolEntry(  "LauncherSubPopup",  TRUE );

     bool sepfirst = !ltabs && !lot;

 

     currentItem = 0;

 	launchMenu->clear();

 

     appLnks.setAutoDelete( true );

     tabNames.setAutoDelete( true );

     appLnks.clear();

     tabNames.clear();

     appLnks.setAutoDelete( false );

     tabNames.setAutoDelete( false );

 

     QDir dir( MimeType::appsFolderName(), QString::null, QDir::Name );

     createMenuEntries( menu, dir, ltabs, lot );

 

    	if ( !menu->count() ) sepfirst = TRUE;

 

     launchMenu->setName( sepfirst ? "accessories" : "accessories_need_sep" ); // No tr

 

     return currentItem;

 }

 

 

 void StartMenu::launch()

 {

     int y = mapToGlobal( QPoint() ).y() - launchMenu->sizeHint().height();

 

     if ( launchMenu->isVisible() )

         launchMenu->hide();

     else

         launchMenu->popup( QPoint( 1, y ) );

 }

 

 

 

 

 static int compareAppletPositions(const void *b, const void *a)

 {

     const MenuApplet* aa = *(const MenuApplet**)a;

     const MenuApplet* ab = *(const MenuApplet**)b;

     int d = aa->iface->position() - ab->iface->position();

     if ( d ) return d;

     return QString::compare(aa->library->library(),ab->library->library());

 }

 

 void StartMenu::clearApplets()

 {

     if ( launchMenu )

         launchMenu-> hide();

 

     for ( QIntDictIterator<MenuApplet> it( menuApplets ); it.current(); ++it ) {

     	MenuApplet *applet = it.current();

     	if ( launchMenu ) {

     		launchMenu->removeItem( applet-> id );

     		delete applet->popup;

     	}

 

         applet->iface->release();

         applet->library->unload();

         delete applet-> library;

     }

     menuApplets.clear();

 }

 

 

 

 

 void StartMenu::loadApplets()

 {

     Config cfg( "StartMenu" );

     cfg.setGroup( "Applets" );

 

     // SafeMode causes too much problems, so we disable it for now --

     // maybe we should reenable it for OPIE 1.0 - sandman 26.09.02

     // removed in the remerge PluginManager could handle it

     // we don't currently use it -zecke

 

     QStringList exclude = cfg.readListEntry( "ExcludeApplets", ',' );

 

     QString lang = getenv( "LANG" );

     QString path = QPEApplication::qpeDir() + "/plugins/applets";

     QDir dir( path, "lib*.so" );

     QStringList list = dir.entryList();

     QStringList::Iterator it;

     int napplets = 0;

     MenuApplet* *xapplets = new MenuApplet*[list.count()];

     for ( it = list.begin(); it != list.end(); ++it ) {

         if ( exclude.find( *it ) != exclude.end() )

             continue;

         MenuAppletInterface *iface = 0;

         QLibrary *lib = new QLibrary( path + "/" + *it );

         if (( lib->queryInterface( IID_MenuApplet, (QUnknownInterface**)&iface ) == QS_OK ) && iface ) {

             MenuApplet *applet = new MenuApplet;

             xapplets[napplets++] = applet;

             applet->library = lib;

             applet->iface = iface;

 

             QTranslator *trans = new QTranslator(qApp);

             QString type = (*it).left( (*it).find(".") );

             QString tfn = QPEApplication::qpeDir()+"/i18n/"+lang+"/"+type+".qm";

             if ( trans->load( tfn ))

                 qApp->installTranslator( trans );

             else

                 delete trans;

         } else {

             exclude += *it;

             delete lib;

         }

     }