A collection of cppcheck fixes

generators/comicbook/document.cpp

@@ -48,6 +48,7 @@ Document::Document()
     : mDirectory(nullptr)
     , mUnrar(nullptr)
     , mArchive(nullptr)
+    , mArchiveDir(nullptr)
 {
 }
 

generators/comicbook/unrar.cpp

@@ -107,6 +107,7 @@ UnrarHelper::~UnrarHelper()
 
 Unrar::Unrar()
     : QObject(nullptr)
+    , mProcess(nullptr)
     , mLoop(nullptr)
     , mTempDir(nullptr)
 {

generators/djvu/kdjvu.cpp

@@ -542,7 +542,7 @@ void KDjVu::Private::fillBookmarksRecurse(QDomDocument &maindoc, QDomNode &curno
                 if (dest.at(0) == QLatin1Char('#')) {
                     dest.remove(0, 1);
                     bool isNumber = false;
-                    dest.toInt(&isNumber);
+                    (void)dest.toInt(&isNumber);
                     if (isNumber) {
                         // it might be an actual page number, but could also be a page label
                         // so resolve the number, and get the real page number

generators/fictionbook/converter.h

@@ -71,7 +71,7 @@ private:
     class DocumentInfo;
     DocumentInfo *mDocumentInfo;
 
-    int mSectionCounter;
+    int mSectionCounter = 0;
 
     QMap<QString, QTextBlock> mSectionMap;
     QMap<QString, QPair<int, int>> mLocalLinks;

generators/tiff/generator_tiff.cpp

@@ -258,7 +258,7 @@ QImage TIFFGenerator::image(Okular::PixmapRequest *request)
             int reqwidth = request->width();
             int reqheight = request->height();
             if (rotation % 2 == 1) {
-                qSwap(reqwidth, reqheight);
+                std::swap(reqwidth, reqheight);
             }
             img = image.scaled(reqwidth, reqheight, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
 

generators/xps/generator_xps.cpp

@@ -686,7 +686,7 @@ static QString unicodeString(const QString &raw)
     return ret;
 }
 
-void XpsPage::processGlyph(QPainter *painter, XpsRenderNode &node)
+void XpsPage::processGlyph(QPainter *painter, const XpsRenderNode &node)
 {
     // TODO Currently ignored attributes: CaretStops, DeviceFontName, IsSideways, OpacityMask, Name, FixedPage.NavigateURI, xml:lang, x:key
     // TODO Indices is only partially implemented
@@ -893,7 +893,7 @@ void XpsPage::processImageBrush(XpsRenderNode &node)
     node.data = QVariant::fromValue(brush);
 }
 
-void XpsPage::processPath(QPainter *painter, XpsRenderNode &node)
+void XpsPage::processPath(QPainter *painter, const XpsRenderNode &node)
 {
     // TODO Ignored attributes: Clip, OpacityMask, StrokeEndLineCap, StorkeStartLineCap, Name, FixedPage.NavigateURI, xml:lang, x:key, AutomationProperties.Name, AutomationProperties.HelpText, SnapsToDevicePixels
     // TODO Ignored child elements: RenderTransform, Clip, OpacityMask
@@ -1172,7 +1172,7 @@ void XpsPage::processPathFigure(XpsRenderNode &node)
     }
 }
 
-void XpsPage::processStartElement(QPainter *painter, XpsRenderNode &node)
+void XpsPage::processStartElement(QPainter *painter, const XpsRenderNode &node)
 {
     if (node.name == QLatin1String("Canvas")) {
         painter->save();
@@ -1982,7 +1982,7 @@ bool XpsGenerator::loadDocument(const QString &fileName, QVector<Okular::Page *>
     int pagesVectorOffset = 0;
 
     for (int docNum = 0; docNum < m_xpsFile->numDocuments(); ++docNum) {
-        XpsDocument *doc = m_xpsFile->document(docNum);
+        const XpsDocument *doc = m_xpsFile->document(docNum);
         for (int pageNum = 0; pageNum < doc->numPages(); ++pageNum) {
             QSizeF pageSize = doc->page(pageNum)->size();
             pagesVector[pagesVectorOffset] = new Okular::Page(pagesVectorOffset, pageSize.width(), pageSize.height(), Okular::Rotation0);

generators/xps/generator_xps.h

@@ -122,10 +122,10 @@ public:
 
 private:
     // Methods for processing of different xml elements
-    void processStartElement(QPainter *painter, XpsRenderNode &node);
+    void processStartElement(QPainter *painter, const XpsRenderNode &node);
     void processEndElement(QPainter *painter, XpsRenderNode &node);
-    void processGlyph(QPainter *painter, XpsRenderNode &node);
-    void processPath(QPainter *painter, XpsRenderNode &node);
+    void processGlyph(QPainter *painter, const XpsRenderNode &node);
+    void processPath(QPainter *painter, const XpsRenderNode &node);
     void processPathData(XpsRenderNode &node);
     void processFill(XpsRenderNode &node);
     void processStroke(XpsRenderNode &node);
@@ -142,7 +142,6 @@ private:
     QString m_thumbnailFileName;
     bool m_thumbnailMightBeAvailable;
     QImage m_thumbnail;
-    bool m_thumbnailIsLoaded;
 
     QImage *m_pageImage;
     bool m_pageIsRendered;

gui/tocmodel.cpp

@@ -226,7 +226,7 @@ QVariant TOCModel::data(const QModelIndex &index, int role) const
             QFont font;
             font.setBold(true);
 
-            TOCItem *lastHighlighted = d->currentPage.last();
+            const TOCItem *lastHighlighted = d->currentPage.last();
 
             // in the mobile version our parent is not a QTreeView; embolden the last highlighted item
             // TODO misusing parent() here, fix
@@ -449,7 +449,7 @@ QString TOCModel::externalFileNameForIndex(const QModelIndex &index) const
         return QString();
     }
 
-    TOCItem *item = static_cast<TOCItem *>(index.internalPointer());
+    const TOCItem *item = static_cast<TOCItem *>(index.internalPointer());
     return item->extFileName;
 }
 
@@ -459,7 +459,7 @@ Okular::DocumentViewport TOCModel::viewportForIndex(const QModelIndex &index) co
         return Okular::DocumentViewport();
     }
 
-    TOCItem *item = static_cast<TOCItem *>(index.internalPointer());
+    const TOCItem *item = static_cast<TOCItem *>(index.internalPointer());
     return item->viewport;
 }
 
@@ -469,7 +469,7 @@ QString TOCModel::urlForIndex(const QModelIndex &index) const
         return QString();
     }
 
-    TOCItem *item = static_cast<TOCItem *>(index.internalPointer());
+    const TOCItem *item = static_cast<TOCItem *>(index.internalPointer());
     return item->url;
 }
 

part/formwidgets.h

@@ -48,7 +48,7 @@ struct RadioData {
     }
 
     QList<int> ids;
-    QButtonGroup *group;
+    QButtonGroup *group = nullptr;
 };
 
 class FormWidgetsController : public QObject

part/presentationwidget.cpp

@@ -78,7 +78,8 @@
 // a frame contains a pointer to the page object, its geometry and the
 // transition effect to the next frame
 struct PresentationFrame {
-    PresentationFrame() = default;
+    explicit PresentationFrame(const Okular::Page *_page)
+        : page(_page) {};
 
     ~PresentationFrame()
     {
@@ -335,8 +336,7 @@ void PresentationWidget::notifySetup(const QVector<Okular::Page *> &pageSet, int
     // create the new frames
     float screenRatio = (float)m_height / (float)m_width;
     for (const Okular::Page *page : pageSet) {
-        PresentationFrame *frame = new PresentationFrame();
-        frame->page = page;
+        PresentationFrame *frame = new PresentationFrame(page);
         const QList<Okular::Annotation *> annotations = page->annotations();
         for (Okular::Annotation *a : annotations) {
             if (a->subType() == Okular::Annotation::AMovie) {