clear some warnings

libs/calias.cpp

@@ -52,8 +52,8 @@ cAlias::cAlias (cList *list) : cListObject (list)
   //include prefix/suffix
   d->includeprefixsuffix = true;
   d->global = false;
-  d->exp = 0;
-  d->resolver = 0;
+  d->exp = nullptr;
+  d->resolver = nullptr;
 }
 
 cAlias::~cAlias ()
@@ -118,7 +118,7 @@ void cAlias::attribChanged (const QString &name)
     // TODO: this is duplicated for every place with conditions
     // find out if we could create a common class for this
     delete d->exp;
-    d->exp = 0;
+    d->exp = nullptr;
   
     // no expression ? nothing to do !
     if (d->condition.trimmed().isEmpty()) return;
@@ -193,7 +193,7 @@ bool cAlias::testCondition ()
   queue->fillFromPattern (&d->p);
   cValue val = d->exp->evaluate (d->resolver);
   delete queue;
-  d->resolver->setQueue(0);
+  d->resolver->setQueue(nullptr);
 
   // test passes if the evaluator returns non-zero ...
   return (val.asInteger() != 0);

libs/caliaseditor.cpp

@@ -69,7 +69,7 @@ cAliasEditor::cAliasEditor (QWidget *parent)
   : cListEditor (parent)
 {
   d = new Private;
-  d->regExpDialog = 0;
+  d->regExpDialog = nullptr;
 }
 
 cAliasEditor::~cAliasEditor ()

libs/ccmdparser.cpp

@@ -161,7 +161,7 @@ QStringList cCmdParser::parseCommand (const QString &command, bool expandAliases
   // perform alias expansion
   if (expandAliases) {
     cList *al = cListManager::self()->getList (sess(), "aliases");
-    cAliasList *aliases = al ? dynamic_cast<cAliasList *>(al) : 0;
+    cAliasList *aliases = al ? dynamic_cast<cAliasList *>(al) : nullptr;
     if (aliases && aliases->matchString (cmd))
     {
       aliasesExpanded = true;
@@ -425,7 +425,7 @@ unsigned int cCmdParser::repeater (QString &command)
 
       //limit repeat count if needed
       cProfileSettings *sett = settings ();
-      bool limitRepeats = ((sett == 0) ? true : sett->getBool ("limit-repeater"));
+      bool limitRepeats = sett ? sett->getBool ("limit-repeater") : true;
 
       if ((repc > 100) && limitRepeats)
       {

libs/cinputline.h

@@ -33,7 +33,7 @@
 class KMUDDY_EXPORT cInputLine : public KLineEdit, public cActionBase  {
    Q_OBJECT
 public: 
-  cInputLine (int sess, QString objName="inputline", QWidget *parent=0);
+  cInputLine (int sess, QString objName="inputline", QWidget *parent=nullptr);
   ~cInputLine();
   /** initialize the input line - must be separated
   from the constructor, because it uses cSession, which is not

libs/clist.cpp

@@ -61,7 +61,7 @@ class cListModel : public QAbstractItemModel {
   QModelIndex indexOf (const cListObject *obj) const
   {
     if (obj == lst->rootGroup()) return QModelIndex();
-    if (obj == 0) return QModelIndex();
+    if (!obj) return QModelIndex();
     return createIndex (obj->positionInGroup(), 0, (void *) obj);
   }
 
@@ -252,7 +252,7 @@ cList::cList (const QString &name)
   d->enabled = true;
   d->name = name;
   d->model = new cListModel (this);
-  d->rootGroup = 0;
+  d->rootGroup = nullptr;
   d->sess = 0;
   d->hasError = false;
 }
@@ -342,7 +342,7 @@ cListGroup *cList::group (const QString &name)
 {
   if (d->groups.count (name))
     return d->groups[name];
-  return 0;
+  return nullptr;
 }
 
 cListGroup *cList::addGroup (cListGroup *parent, const QString &name)
@@ -407,7 +407,7 @@ cListObject *cList::getObject (const QString &name)
 {
   if (d->namedObjects.count (name))
     return d->namedObjects[name];
-  return 0;
+  return nullptr;
 }
 
 void cList::deleteObject (cListObject *obj)

libs/clist.h

@@ -68,7 +68,7 @@ public:
   virtual ~cList ();
 
   /** Create a new instance of this class. */
-  static cList *newList () { return 0; };
+  static cList *newList () { return nullptr; };
 
   /** Set session ID of this list. */
   void setSession (int sess);

libs/clisteditor.cpp

@@ -55,7 +55,7 @@ cListEditor::cListEditor (QWidget *parent)
 {
   d = new Private;
   d->objNum = 0;
-  d->obj = 0;
+  d->obj = nullptr;
   d->guiCreated = false;
   d->saving = false;
 
@@ -94,7 +94,7 @@ void cListEditor::setObject (cListObject *obj)
 {
   if (d->obj) {
     disconnect (d->obj, SIGNAL (changed (cListObject *)), this, SLOT (objectChanged (cListObject *)));
-    d->obj = 0;
+    d->obj = nullptr;
   }
 
   if (!obj) return;
@@ -146,7 +146,7 @@ void cListEditor::objectChanged (cListObject *obj)
 
 bool cListEditor::objectValid ()
 {
-  if (d->obj == 0) return false;
+  if (!d->obj) return false;
   return (cListManager::self()->objectId (d->obj) != 0);
 }
 

libs/clistgroup.cpp

@@ -98,7 +98,7 @@ cListObject *cListGroup::objectAt (int pos)
 {
   std::list<cListObject *>::iterator it = d->objects.begin();
   for (int p = 0; p < pos; ++p) ++it;
-  if (it == d->objects.end()) return 0;   // hit end of list - no such object
+  if (it == d->objects.end()) return nullptr;   // hit end of list - no such object
   return *it;
 }
 

libs/clistmanager.cpp

@@ -47,7 +47,7 @@ struct cListManager::Private {
   int maxObjectID;
 };
 
-cListManager *cListManager::_self = 0;
+cListManager *cListManager::_self = nullptr;
 
 cListManager *cListManager::self()
 {
@@ -153,8 +153,8 @@ QStandardItemModel *cListManager::typeModel () const
 
 cList *cListManager::getList (int sessId, const QString &name)
 {
-  if (!d->lists.count (sessId)) return 0;  // session must exist
-  if (!d->listTypes.count (name)) return 0;  // type must be registered
+  if (!d->lists.count (sessId)) return nullptr;  // session must exist
+  if (!d->listTypes.count (name)) return nullptr;  // type must be registered
   if (d->lists[sessId].count (name))
     return d->lists[sessId][name];  // list exists - return it
 
@@ -224,7 +224,7 @@ cListObject *cListManager::object (int id) const
 {
   if (d->objects.count (id))
     return d->objects[id];
-  return 0;
+  return nullptr;
 }
 
 void cListManager::loadList (int sessId, cList *list)

libs/clistobject.cpp

@@ -42,7 +42,7 @@ cListObject::cListObject (cList *list)
 {
   d = new Private;
   d->list = list;
-  d->parent = 0;
+  d->parent = nullptr;
   d->data.enabled = true;
   d->groupPos = 0;
   d->groupPriorityPos = 0;

libs/clistviewer.cpp

@@ -53,9 +53,9 @@ cListViewer::cListViewer (QWidget *parent)
   : QTreeView (parent)
 {
   d = new Private;
-  d->currentItem = 0;
+  d->currentItem = nullptr;
   d->emptyModel = new QStandardItemModel;
-  setList (0);
+  setList (nullptr);
   header()->hide();  // no header
   d->validator = new QRegExpValidator (QRegExp("^[0-9A-Za-z_ ]+$"), this);
   d->col = new KActionCollection (this);
@@ -115,7 +115,7 @@ cListViewer::~cListViewer ()
 void cListViewer::setList (cList *l)
 {
   d->list = l;
-  d->currentItem = 0;
+  d->currentItem = nullptr;
   setModel (l ? l->model() : d->emptyModel);
 }
 

libs/cpluginmanager.cpp

@@ -38,7 +38,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 using namespace std;
 
-cPluginManager *cPluginManager::_self = 0;
+cPluginManager *cPluginManager::_self = nullptr;
 
 cPluginManager *cPluginManager::self ()
 {
@@ -52,7 +52,7 @@ cPluginManager::cPluginManager () : cActionBase ("pluginmanager", 0)
   findPlugins ();
   activeSess = 0;
   lastGagged = false;
-  pluginDialog = 0;
+  pluginDialog = nullptr;
 
   // global objects receive events from all sessions, hence this will work well
   addEventHandler ("send-command", 20, PT_STRING);
@@ -92,7 +92,7 @@ cPluginManager::~cPluginManager ()
   removeEventHandler ("session-created");
   removeEventHandler ("session-destroyed");
   
-  _self = 0;
+  _self = nullptr;
 }
 
 void cPluginManager::eventIntHandler (QString event, int, int par1, int)
@@ -189,7 +189,7 @@ bool cPluginManager::loadPlugin (const QString &name)
   
   KService::Ptr service = pluginInfo[name].service();
   KPluginFactory *factory = KPluginLoader (*service).factory();
-  cPlugin *plugin = factory->create<cPlugin> (0);
+  cPlugin *plugin = factory->create<cPlugin> (nullptr);
 
   if (!plugin) {
     kDebug() << "Failed to load plugin: " << name;
@@ -281,7 +281,7 @@ void cPluginManager::unloadAll ()
 
 void cPluginManager::showPluginsDialog ()
 {
-  pluginDialog = new KDialog (0);
+  pluginDialog = new KDialog (nullptr);
   pluginDialog->setCaption (i18n ("Plugins"));
   pluginDialog->setButtons (KDialog::Ok | KDialog::Cancel | KDialog::Apply);
   pluginDialog->setInitialSize (QSize (400, 300));
@@ -302,7 +302,7 @@ void cPluginManager::showPluginsDialog ()
   pluginDialog->exec ();
 
   delete pluginDialog;
-  pluginDialog = 0;
+  pluginDialog = nullptr;
 }
 
 void cPluginManager::applyPluginDialog ()

libs/ctextchunk.cpp

@@ -150,7 +150,7 @@ chunkItem *cTextChunk::itemAt (int pos)
   }
   if (it != _entries.end())
     return *it;
-  return 0;
+  return nullptr;
 }
 
 cTextChunk *cTextChunk::splitLine (int idx, bool wordwrap, int indent,
@@ -158,7 +158,7 @@ cTextChunk *cTextChunk::splitLine (int idx, bool wordwrap, int indent,
 {
   //look if we need to split the line
   if (length() <= idx)
-    return 0;
+    return nullptr;
 
   //OKay, we need to split...
   QString text = plainText ();
@@ -183,7 +183,7 @@ cTextChunk *cTextChunk::splitLine (int idx, bool wordwrap, int indent,
 
   //now go, find the item that this splitpos belongs to, and split there!
   bool moving = false;
-  cTextChunk *ch2 = 0;
+  cTextChunk *ch2 = nullptr;
   chunkStart newstartattr = startattr;
   newstartattr.startpos = indent;   //start at indentation value
   list<chunkItem *>::iterator it, moveit;
@@ -429,7 +429,7 @@ void cTextChunk::replace (int pos, int len, const QString newtext)
   int spos, l;
   
   //step 1: prepare replacement chunk
-  chunkText *chunk = 0;
+  chunkText *chunk = nullptr;
   if (!newtext.isEmpty())
   {
     chunk = new chunkText;
@@ -812,7 +812,7 @@ QString chunkText::toHTML (QString &)
 chunkItem *chunkText::split (int pos)
 {
   if ((pos < 0) || (pos >= length()-1))
-    return 0;    //do NOTHING
+    return nullptr;    //do NOTHING
   chunkText *cht = new chunkText;
   int l1 = pos + 1;
   int l2 = _text.length() - l1;
@@ -825,7 +825,7 @@ chunkItem *chunkText::split (int pos)
 chunkItem *chunkLink::split (int pos)
 {
   if ((pos < 0) || (pos >= length()-1))
-    return 0;    //do NOTHING
+    return nullptr;    //do NOTHING
   chunkLink *chl = (chunkLink *) duplicate ();
   int l1 = pos + 1;
   int l2 = _text.length() - l1;

libs/ctextchunk.h

@@ -49,7 +49,7 @@ class KMUDDY_EXPORT chunkItem {
   int startPos () { return startpos; }
   void setStartPos (int sp) { startpos = sp; }
   virtual int length() = 0;
-  virtual chunkItem *split (int) { return 0; }
+  virtual chunkItem *split (int) { return nullptr; }
   virtual void trimLeft () {};
   virtual chunkItem *duplicate() = 0;