Work around glibc/libstdc/gcc/g++ nested new() object bug

Closes Bug #456


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1227273 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

kdesktop/bgmanager.cc

@@ -59,8 +59,19 @@ extern KDesktopApp *myApp;
 
 /**** KBackgroundManager ****/
 
+KBackgroundManager::KBackgroundManager()
+    : DCOPObject("KBackgroundIface")
+{
+    // Everything will be initialized later
+}
+
 KBackgroundManager::KBackgroundManager(TQWidget *desktop, KWinModule* kwinModule)
     : DCOPObject("KBackgroundIface")
+{
+    initializeManager(desktop, kwinModule);
+}
+
+void KBackgroundManager::initializeManager(TQWidget *desktop, KWinModule* kwinModule)
 {
     if( !properties_inited )
     {

kdesktop/bgmanager.h

@@ -61,9 +61,11 @@ class KBackgroundManager
     TQ_OBJECT
 
 public:
+    KBackgroundManager();
     KBackgroundManager(TQWidget *desktop, KWinModule* kwinModule);
     ~KBackgroundManager();
 
+    void initializeManager(TQWidget *desktop, KWinModule* kwinModule);
     void configure();
     void setCommon(int);
     bool isCommon() { return m_bCommon; };

kdesktop/desktop.cc

@@ -20,7 +20,6 @@
 
 #include "desktop.h"
 #include "krootwm.h"
-#include "bgmanager.h"
 #include "bgsettings.h"
 #include "startupid.h"
 #include "kdiconview.h"
@@ -197,7 +196,6 @@ KDesktop::KDesktop( bool x_root_hack, bool wait_for_kded ) :
 
   m_pIconView = 0;
   m_pRootWidget = 0;
-  bgMgr = 0;
   initRoot();
 
   TQTimer::singleShot(0, this, TQT_SLOT( slotStart() ));
@@ -218,8 +216,6 @@ KDesktop::initRoot()
   if ( !m_bDesktopEnabled && !m_pRootWidget )
   {
      hide();
-     delete bgMgr;
-     bgMgr = 0;
      if ( m_pIconView )
         m_pIconView->saveIconPositions();
      delete m_pIconView;
@@ -243,9 +239,9 @@ KDesktop::initRoot()
 
      // Geert Jansen: backgroundmanager belongs here
      // TODO tell KBackgroundManager if we change widget()
-     bgMgr = new KBackgroundManager( m_pIconView, m_pKwinmodule );
+     bgMgr.initializeManager( m_pIconView, m_pKwinmodule );
-     bgMgr->setExport(1);
+     bgMgr.setExport(1);
-     connect( bgMgr, TQT_SIGNAL( initDone()), TQT_SLOT( backgroundInitDone()));
+     connect( &bgMgr, TQT_SIGNAL( initDone()), TQT_SLOT( backgroundInitDone()));
      if (!m_bInit)
      {
         delete KRootWm::self();
@@ -256,8 +252,6 @@ KDesktop::initRoot()
   }
   else if (m_bDesktopEnabled && !m_pIconView)
   {
-     delete bgMgr;
-     bgMgr = 0;
      delete m_pRootWidget;
      m_pRootWidget = 0;
      m_pIconView = new KDIconView( this, 0 );
@@ -284,9 +278,9 @@ KDesktop::initRoot()
 
      // Geert Jansen: backgroundmanager belongs here
      // TODO tell KBackgroundManager if we change widget()
-     bgMgr = new KBackgroundManager( m_pIconView, m_pKwinmodule );
+     bgMgr.initializeManager( m_pIconView, m_pKwinmodule );
-     bgMgr->setExport(1);
+     bgMgr.setExport(1);
-     connect( bgMgr, TQT_SIGNAL( initDone()), TQT_SLOT( backgroundInitDone()));
+     connect( &bgMgr, TQT_SIGNAL( initDone()), TQT_SLOT( backgroundInitDone()));
 
      // make sure it is initialized before we first call updateWorkArea()
      m_pIconView->initConfig( m_bInit );
@@ -436,8 +430,6 @@ KDesktop::~KDesktop()
 {
   delete m_miniCli;
   m_miniCli = 0; // see #120382
-  delete bgMgr;
-  bgMgr = 0;
   delete startup_id;
 }
 
@@ -937,11 +929,11 @@ void KDesktop::handleColorDropEvent(TQDropEvent * e)
     TQColor c;
     KColorDrag::decode(e, c);
     switch (result) {
-      case 1: bgMgr->setColor(c, true); break;
+      case 1: bgMgr.setColor(c, true); break;
-      case 2: bgMgr->setColor(c, false); break;
+      case 2: bgMgr.setColor(c, false); break;
       default: return;
     }
-    bgMgr->setWallpaper(0,0);
+    bgMgr.setWallpaper(0,0);
 }
 
 void KDesktop::handleImageDropEvent(TQDropEvent * e)
@@ -993,7 +985,7 @@ void KDesktop::handleImageDropEvent(TQDropEvent * e)
         KTempFile tmpFile(KGlobal::dirs()->saveLocation("wallpaper"), ".png");
         i.save(tmpFile.name(), "PNG");
         kdDebug(1204) << "KDesktop::contentsDropEvent " << tmpFile.name() << endl;
-        bgMgr->setWallpaper(tmpFile.name());
+        bgMgr.setWallpaper(tmpFile.name());
     }
 }
 
@@ -1002,7 +994,7 @@ void KDesktop::slotNewWallpaper(const KURL &url)
     // This is called when a file containing an image is dropped
     // (called by KonqOperations)
     if ( url.isLocalFile() )
-        bgMgr->setWallpaper( url.path() );
+        bgMgr.setWallpaper( url.path() );
     else
     {
         // Figure out extension
@@ -1014,7 +1006,7 @@ void KDesktop::slotNewWallpaper(const KURL &url)
         KURL localURL; localURL.setPath( tmpFile.name() );
         // We pass 0 as parent window because passing the desktop is not a good idea
         KIO::NetAccess::file_copy( url, localURL, -1, true /*overwrite*/ );
-        bgMgr->setWallpaper( localURL.path() );
+        bgMgr.setWallpaper( localURL.path() );
     }
 }
 

kdesktop/desktop.h

@@ -21,6 +21,7 @@
 #define __desktop_h__
 
 #include "KDesktopIface.h"
+#include "bgmanager.h"
 
 #include <tqwidget.h>
 #include <tqstringlist.h>
@@ -190,7 +191,7 @@ private:
 
   KWinModule* m_pKwinmodule;
 
-  KBackgroundManager* bgMgr;
+  KBackgroundManager bgMgr;
 
   KDIconView *m_pIconView;
   KRootWidget *m_pRootWidget;

kdesktop/krootwm.cc

@@ -69,7 +69,7 @@ KRootWm * KRootWm::s_rootWm = 0;
 
 extern TQCString kdesktop_name, kicker_name, kwin_name;
 
-KRootWm::KRootWm(KDesktop* _desktop) : TQObject(_desktop)
+KRootWm::KRootWm(KDesktop* _desktop) : TQObject(_desktop), startup(FALSE)
 {
   s_rootWm = this;
   m_actionCollection = new KActionCollection(_desktop, this, "KRootWm::m_actionCollection");