Use continuous scroll mode automatically when a web comic is open

YACReader/main_window_viewer.cpp

@@ -55,6 +55,68 @@ void MainWindowViewer::afterLaunchTasks()
     whatsNewController.showWhatsNewIfNeeded(this);
 }
 
+void MainWindowViewer::applySavedReaderMode()
+{
+    Configuration &config = Configuration::getConfiguration();
+    const bool manga = config.getDoubleMangaPage();
+    const bool continuousScroll = config.getContinuousScroll();
+    viewer->setMangaWithoutStoringSetting(manga);
+    viewer->setContinuousScrollWithoutStoringSetting(continuousScroll);
+    syncModeActions(manga, continuousScroll);
+}
+
+void MainWindowViewer::applyLibraryReaderMode(YACReader::FileType type)
+{
+    Configuration &config = Configuration::getConfiguration();
+    bool manga = false;
+    bool continuousScroll = config.getContinuousScroll();
+
+    switch (type) {
+    case YACReader::FileType::Manga:
+        manga = true;
+        break;
+    case YACReader::FileType::WebComic:
+        continuousScroll = true;
+        break;
+    case YACReader::FileType::Comic:
+    case YACReader::FileType::WesternManga:
+    case YACReader::FileType::Yonkoma:
+    default:
+        break;
+    }
+
+    viewer->setMangaWithoutStoringSetting(manga);
+    viewer->setContinuousScrollWithoutStoringSetting(continuousScroll);
+    syncModeActions(manga, continuousScroll);
+}
+
+void MainWindowViewer::syncModeActions(bool manga, bool continuousScroll)
+{
+    doubleMangaPageAction->setChecked(manga);
+
+    if (continuousScroll) {
+        continuousScrollAction->setChecked(true);
+    } else {
+        switch (Configuration::getConfiguration().getFitMode()) {
+        case YACReader::FitMode::ToWidth:
+            adjustWidthAction->setChecked(true);
+            break;
+        case YACReader::FitMode::ToHeight:
+            adjustHeightAction->setChecked(true);
+            break;
+        case YACReader::FitMode::FullRes:
+            adjustToFullSizeAction->setChecked(true);
+            break;
+        case YACReader::FitMode::FullPage:
+        default:
+            fitToPageAction->setChecked(true);
+            break;
+        }
+    }
+
+    doubleMangaPageSwitch();
+}
+
 MainWindowViewer::~MainWindowViewer()
 {
     delete settings;
@@ -810,12 +872,7 @@ void MainWindowViewer::open(QString path, ComicDB &comic, QList<ComicDB> &siblin
     else
         setWindowTitle("YACReader - " + fi.fileName());
 
-    auto type = comic.info.type.value<YACReader::FileType>();
-    // TODO: support comic.info.type by adjusting the scrolling and double page mode behaviour depending on the actual type, for now type is mapped to manga mode
-    auto isManga = type == YACReader::FileType::Manga;
-
-    viewer->setMangaWithoutStoringSetting(isManga);
-    doubleMangaPageAction->setChecked(isManga);
+    applyLibraryReaderMode(comic.info.type.value<YACReader::FileType>());
 
     viewer->open(path, comic);
     enableActions();
@@ -855,7 +912,6 @@ void MainWindowViewer::open(QString path, qint64 comicId, qint64 libraryId, YACR
 
 void MainWindowViewer::openComicFromPath(QString pathFile)
 {
-    doubleMangaPageAction->setChecked(Configuration::getConfiguration().getDoubleMangaPage());
     openComic(pathFile);
     isClient = false; // this method is used for direct openings
     updatePrevNextActions(!previousComicPath.isEmpty(), !nextComicPath.isEmpty());
@@ -876,6 +932,7 @@ void MainWindowViewer::openComic(QString pathFile)
     setWindowTitle("YACReader - " + fi.fileName());
 
     enableActions();
+    applySavedReaderMode();
 
     viewer->open(pathFile);
     Configuration::getConfiguration().updateOpenRecentList(fi.absoluteFilePath());
@@ -901,6 +958,7 @@ void MainWindowViewer::openFolderFromPath(QString pathDir)
     setWindowTitle("YACReader - " + fi.fileName());
 
     enableActions();
+    applySavedReaderMode();
 
     viewer->open(pathDir);
     Configuration::getConfiguration().updateOpenRecentList(fi.absoluteFilePath());
@@ -916,6 +974,7 @@ void MainWindowViewer::openFolderFromPath(QString pathDir, QString atFileName)
     setWindowTitle("YACReader - " + fi.fileName());
 
     enableActions();
+    applySavedReaderMode();
 
     QDir d(pathDir);
     d.setFilter(QDir::Files | QDir::NoDotAndDotDot);

YACReader/main_window_viewer.h

@@ -174,6 +174,9 @@ private:
     void setActionsEnabled(bool enabled);
     void setMglassActionsEnabled(bool enabled);
     void setLoadedComicActionsEnabled(bool enabled);
+    void syncModeActions(bool manga, bool continuousScroll);
+    void applySavedReaderMode();
+    void applyLibraryReaderMode(YACReader::FileType type);
 
     //! Manejadores de evento:
     // void resizeEvent(QResizeEvent * event);

YACReader/viewer.cpp

@@ -111,10 +111,10 @@ Viewer::Viewer(QWidget *parent)
         doublePageSwitch();
 
     if (Configuration::getConfiguration().getDoubleMangaPage())
-        doubleMangaPageSwitch();
+        setMangaModeImpl(true, false);
 
     if (Configuration::getConfiguration().getContinuousScroll())
-        setContinuousScroll(true);
+        setContinuousScrollImpl(true, false);
 
     createConnections();
 
@@ -1188,41 +1188,49 @@ void Viewer::doublePageSwitch()
     Configuration::getConfiguration().setDoublePage(doublePage);
 }
 
-void Viewer::setContinuousScroll(bool enabled)
+void Viewer::setContinuousScrollImpl(bool enabled, bool persistSettings)
 {
     if (continuousScroll == enabled) {
         return;
     }
+
     continuousScroll = enabled;
-    Configuration::getConfiguration().setContinuousScroll(continuousScroll);
+    if (persistSettings) {
+        Configuration::getConfiguration().setContinuousScroll(continuousScroll);
+    }
 
     if (continuousScroll) {
         continuousViewModel->setZoomFactor(zoom);
         if (render->hasLoadedComic()) {
             continuousViewModel->setViewportSize(viewport()->width(), viewport()->height());
             continuousViewModel->setNumPages(render->numPages());
-            // set the current page as model state before any layout/scroll happens
             lastCenterPage = render->getIndex();
             continuousViewModel->setAnchorPage(lastCenterPage);
-            // pick up sizes of pages already in the buffer
             probeContinuousBufferedPages();
-            // trigger a render cycle so new pages arrive via pageRendered signal
             render->update();
             setActiveWidget(continuousWidget);
             scrollToCurrentContinuousPage();
             continuousWidget->update();
             viewport()->update();
         }
-        // if no comic is loaded, messageLabel stays as the active widget
     } else {
         lastCenterPage = -1;
         if (render->hasLoadedComic()) {
             updatePage();
         }
-        // if no comic is loaded, messageLabel stays as the active widget
     }
 }
 
+void Viewer::setContinuousScrollWithoutStoringSetting(bool enabled)
+{
+    setContinuousScrollImpl(enabled, false);
+}
+
+void Viewer::setContinuousScroll(bool enabled)
+{
+    setContinuousScrollImpl(enabled, true);
+}
+
 void Viewer::onContinuousScroll(int value)
 {
     if (!continuousScroll || !render->hasLoadedComic() || applyingContinuousModelState) {
@@ -1345,21 +1353,32 @@ void Viewer::onRenderPageChanged(int page)
     scrollToCurrentContinuousPage();
 }
 
-void Viewer::setMangaWithoutStoringSetting(bool manga)
+void Viewer::setMangaModeImpl(bool manga, bool persistSettings)
 {
+    if (doubleMangaPage == manga) {
+        return;
+    }
+
     doubleMangaPage = manga;
+
+    if (persistSettings) {
+        Configuration &config = Configuration::getConfiguration();
+        config.setDoubleMangaPage(doubleMangaPage);
+        goToFlow->updateConfig(config.getSettings());
+    }
+
     render->setManga(manga);
     goToFlow->setFlowRightToLeft(doubleMangaPage);
 }
 
+void Viewer::setMangaWithoutStoringSetting(bool manga)
+{
+    setMangaModeImpl(manga, false);
+}
+
 void Viewer::doubleMangaPageSwitch()
 {
-    doubleMangaPage = !doubleMangaPage;
-    render->doubleMangaPageSwitch();
-    Configuration &config = Configuration::getConfiguration();
-    config.setDoubleMangaPage(doubleMangaPage);
-    goToFlow->setFlowRightToLeft(doubleMangaPage);
-    goToFlow->updateConfig(config.getSettings());
+    setMangaModeImpl(!doubleMangaPage, true);
 }
 
 void Viewer::resetContent()

YACReader/viewer.h

@@ -86,6 +86,7 @@ public slots:
     void save();
     void doublePageSwitch();
     void setMangaWithoutStoringSetting(bool manga);
+    void setContinuousScrollWithoutStoringSetting(bool enabled);
     void doubleMangaPageSwitch();
     void resetContent();
     void setLoadingMessage();
@@ -202,6 +203,8 @@ private:
     void onNumPagesReady(unsigned int numPages);
     void onRenderPageChanged(int page);
     void setActiveWidget(QWidget *w);
+    void setContinuousScrollImpl(bool enabled, bool persistSettings);
+    void setMangaModeImpl(bool manga, bool persistSettings);
 
     //! Mouse handler
     std::unique_ptr<YACReader::MouseHandler> mouseHandler;