Use more nullptr instead of 0

core/document.cpp

@@ -1444,7 +1444,7 @@ void DocumentPrivate::sendGeneratorPixmapRequest()
 
 void DocumentPrivate::rotationFinished(int page, Okular::Page *okularPage)
 {
-    Okular::Page *wantedPage = m_pagesVector.value(page, 0);
+    Okular::Page *wantedPage = m_pagesVector.value(page, nullptr);
     if (!wantedPage || wantedPage != okularPage)
         return;
 
@@ -1512,7 +1512,7 @@ void DocumentPrivate::slotGeneratorConfigChanged()
 
 void DocumentPrivate::refreshPixmaps(int pageNumber)
 {
-    Page *page = m_pagesVector.value(pageNumber, 0);
+    Page *page = m_pagesVector.value(pageNumber, nullptr);
     if (!page)
         return;
 
@@ -3150,7 +3150,7 @@ void Document::requestPixmaps(const QLinkedList<PixmapRequest *> &requests, Pixm
     for (PixmapRequest *request : requests) {
         // set the 'page field' (see PixmapRequest) and check if it is valid
         qCDebug(OkularCoreDebug).nospace() << "request observer=" << request->observer() << " " << request->width() << "x" << request->height() << "@" << request->pageNumber();
-        if (d->m_pagesVector.value(request->pageNumber()) == 0) {
+        if (d->m_pagesVector.value(request->pageNumber()) == nullptr) {
             // skip requests referencing an invalid page (must not happen)
             delete request;
             continue;
@@ -3614,7 +3614,7 @@ void Document::searchText(int searchID, const QString &text, bool fromStart, Qt:
         const int viewportPage = (*d->m_viewportIterator).pageNumber;
         const int fromStartSearchPage = forward ? 0 : d->m_pagesVector.count() - 1;
         int currentPage = fromStart ? fromStartSearchPage : ((s->continueOnPage != -1) ? s->continueOnPage : viewportPage);
-        Page *lastPage = fromStart ? 0 : d->m_pagesVector[currentPage];
+        Page *lastPage = fromStart ? nullptr : d->m_pagesVector[currentPage];
         int pagesDone = 0;
 
         // continue checking last TextPage first (if it is the current page)

generators/dvi/psgs.cpp

@@ -70,7 +70,7 @@ void ghostscript_interface::setPostScript(const PageNumber page, const QString &
     qCDebug(OkularDviDebug) << "ghostscript_interface::setPostScript( " << page << ", ... )";
 #endif
 
-    if (pageList.value(page) == 0) {
+    if (pageList.value(page) == nullptr) {
         pageInfo *info = new pageInfo(PostScript);
         // Check if dict is big enough
         if (pageList.count() > pageList.capacity() - 2)
@@ -94,7 +94,7 @@ void ghostscript_interface::setBackgroundColor(const PageNumber page, const QCol
     qCDebug(OkularDviDebug) << "ghostscript_interface::setBackgroundColor( " << page << ", " << background_color << " )";
 #endif
 
-    if (pageList.value(page) == 0) {
+    if (pageList.value(page) == nullptr) {
         pageInfo *info = new pageInfo(QString());
         info->background = background_color;
         if (permanent)
@@ -115,7 +115,7 @@ void ghostscript_interface::restoreBackgroundColor(const PageNumber page)
 #ifdef DEBUG_PSGS
     qCDebug(OkularDviDebug) << "ghostscript_interface::restoreBackgroundColor( " << page << " )";
 #endif
-    if (pageList.value(page) == 0)
+    if (pageList.value(page) == nullptr)
         return;
 
     pageInfo *info = pageList.value(page);
@@ -131,7 +131,7 @@ QColor ghostscript_interface::getBackgroundColor(const PageNumber page) const
     qCDebug(OkularDviDebug) << "ghostscript_interface::getBackgroundColor( " << page << " )";
 #endif
 
-    if (pageList.value(page) == 0)
+    if (pageList.value(page) == nullptr)
         return Qt::white;
     else
         return pageList.value(page)->background;

generators/ooo/manifest.cpp

@@ -213,7 +213,7 @@ Manifest::~Manifest()
 
 ManifestEntry *Manifest::entryByName(const QString &filename)
 {
-    return mEntries.value(filename, 0);
+    return mEntries.value(filename, nullptr);
 }
 
 bool Manifest::testIfEncrypted(const QString &filename)

generators/poppler/generator_pdf.cpp

@@ -239,7 +239,7 @@ Okular::Movie *createMovieFromPopplerScreen(const Poppler::LinkRendition *popple
 
 QPair<Okular::Movie *, Okular::EmbeddedFile *> createMovieFromPopplerRichMedia(const Poppler::RichMediaAnnotation *popplerRichMedia)
 {
-    const QPair<Okular::Movie *, Okular::EmbeddedFile *> emptyResult(0, 0);
+    const QPair<Okular::Movie *, Okular::EmbeddedFile *> emptyResult(nullptr, nullptr);
 
     /**
      * To convert a Flash/Video based RichMedia annotation to a movie, we search for the first

part.cpp

@@ -3191,7 +3191,7 @@ void Part::psTransformEnded(int exit, QProcess::ExitStatus status)
     if (status != QProcess::NormalExit)
         return;
 
-    QProcess *senderobj = sender() ? qobject_cast<QProcess *>(sender()) : 0;
+    QProcess *senderobj = sender() ? qobject_cast<QProcess *>(sender()) : nullptr;
     if (senderobj) {
         senderobj->close();
         senderobj->deleteLater();

ui/annotationproxymodels.cpp

@@ -563,7 +563,7 @@ void AuthorGroupProxyModel::rebuildIndexes()
             if (!author.isEmpty()) {
                 // We have the annotations as top-level, so introduce authors as new
                 // top-levels and append the annotations
-                AuthorGroupItem *authorItem = authorMap.value(author, 0);
+                AuthorGroupItem *authorItem = authorMap.value(author, nullptr);
                 if (!authorItem) {
                     authorItem = new AuthorGroupItem(d->mRoot, AuthorGroupItem::Author);
                     authorItem->setAuthor(author);
@@ -589,7 +589,7 @@ void AuthorGroupProxyModel::rebuildIndexes()
                     const QModelIndex annIdx = sourceModel()->index(subRow, 0, idx);
                     const QString author = sourceModel()->data(annIdx, AnnotationModel::AuthorRole).toString();
 
-                    AuthorGroupItem *authorItem = pageAuthorMap.value(author, 0);
+                    AuthorGroupItem *authorItem = pageAuthorMap.value(author, nullptr);
                     if (!authorItem) {
                         authorItem = new AuthorGroupItem(pageItem, AuthorGroupItem::Author);
                         authorItem->setAuthor(author);

ui/pagepainter.cpp

@@ -37,7 +37,7 @@
 #include "settings_core.h"
 #include "ui/debug_ui.h"
 
-Q_GLOBAL_STATIC_WITH_ARGS(QPixmap, busyPixmap, (KIconLoader::global()->loadIcon(QLatin1String("okular"), KIconLoader::NoGroup, IconSize(KIconLoader::Desktop), KIconLoader::DefaultState, QStringList(), 0, true)))
+Q_GLOBAL_STATIC_WITH_ARGS(QPixmap, busyPixmap, (KIconLoader::global()->loadIcon(QLatin1String("okular"), KIconLoader::NoGroup, IconSize(KIconLoader::Desktop), KIconLoader::DefaultState, QStringList(), nullptr, true)))
 
 #define TEXTANNOTATION_ICONSIZE 24