Merge branch 'temp/singleclick-event' into branch-qt-5.15

articleview.cc

@@ -1115,6 +1115,10 @@ void ArticleView::linkClicked( QUrl const & url_ )
     openLink( url, ui.definition->url(), getCurrentArticle(), contexts );
 }
 
+void ArticleView::linkClickedInHtml( QUrl const & url_ )
+{
+  emit ui.definition->linkClickedInHtml(url_);
+}
 void ArticleView::openLink( QUrl const & url, QUrl const & ref,
                             QString const & scrollTo,
                             Contexts const & contexts_ )

articleview.hh

@@ -285,7 +285,10 @@ public slots:
 
   /// Selects an entire text of the current article
   void selectCurrentArticle();
+  //receive signal from weburlinterceptor.
   void linkClicked( QUrl const & );
+  //aim to receive signal from html. the fragment url click to  navigation through page wil not be intecepted by weburlinteceptor
+  Q_INVOKABLE void linkClickedInHtml( QUrl const & );
 private slots:
 
   void loadFinished( bool ok );

articlewebview.cc

@@ -38,27 +38,37 @@ bool ArticleWebView::event( QEvent * event )
     if (event->type() == QEvent::ChildAdded) {
         QChildEvent *child_ev = static_cast<QChildEvent *>(event);
 
-        //should restrict the child event type?
+//      // there is also QObject child that should be ignored here;
+//      // use only QOpenGLWidget child
+//      QOpenGLWidget *w = static_cast<QOpenGLWidget*>(child_ev->child());
+
         child_ev->child()->installEventFilter(this);
     }
 
     return QWebEngineView::event(event);
 }
 
-bool ArticleWebView::eventFilter(QObject *obj, QEvent *ev) {
+void ArticleWebView::linkClickedInHtml(QUrl const& ){
+  //disable single click to simulate dbclick action on the new loaded pages.
+  singleClickToDbClick=false;
+}
 
+bool ArticleWebView::eventFilter(QObject *obj, QEvent *ev) {
     if (ev->type() == QEvent::MouseButtonDblClick) {
-      singleClicked = false;
+      QMouseEvent *pe = static_cast<QMouseEvent *>(ev);
-      dbClicked = true;
+      if (Qt::MouseEventSynthesizedByApplication != pe->source()) {
+        singleClickToDbClick = false;
+        dbClicked = true;
+      }
     }
     if (ev->type()==QEvent::MouseMove) {
-      singleClicked=false;
+      singleClickToDbClick=false;
     }
     if (ev->type() == QEvent::MouseButtonPress) {
         QMouseEvent *pe = static_cast<QMouseEvent *>(ev);
         if(pe->button() == Qt::LeftButton)
         {
-          singleClicked = true;
+          singleClickToDbClick = true;
           dbClicked = false;
           QTimer::singleShot(QApplication::doubleClickInterval(),this,[=](){
             singleClickAction(pe);
@@ -92,9 +102,9 @@ void ArticleWebView::mousePressEvent(QMouseEvent *event)
         midButtonPressed = true;
 }
 
-void ArticleWebView::singleClickAction(QMouseEvent * event )
+void ArticleWebView::singleClickAction(QMouseEvent *event )
 {
-  if(!singleClicked)
+  if(!singleClickToDbClick)
     return;
 
   if (selectionBySingleClick) {

articlewebview.hh

@@ -8,6 +8,8 @@
 #include <QEvent>
 #include <QMouseEvent>
 #include <QWebEngineView>
+#include <QOpenGLWidget>
+#include <QPointer>
 
 /// A thin wrapper around QWebEngineView to accommodate to some ArticleView's needs.
 /// Currently the only added features:
@@ -45,9 +47,6 @@ public:
   /// word, which gets selected by the view in response to double-click.
   void doubleClicked( QPoint pos );
 
-  //the linkClicked signal was removed from webengineview. add the signal to simulate.
-  void linkClicked(QUrl const& url);
-
 protected:
 
   bool event( QEvent * event );
@@ -63,6 +62,7 @@ protected:
 private:
 
   Config::Class * cfg;
+  //QPointer<QOpenGLWidget> child_;
 
   bool midButtonPressed;
   bool selectionBySingleClick;
@@ -70,8 +70,13 @@ private:
 
   //MouseDbClickEvent will also emit MousePressEvent which conflict the single click event.
   //this variable used to distinguish the single click and real double click.
-  bool singleClicked;
+  bool singleClickToDbClick;
   bool dbClicked;
+
+public slots:
+
+    //receive signal ,a link has been clicked.
+    void linkClickedInHtml(QUrl const& url);
 };
 
 #endif

resources/gd_custom.js

@@ -3,6 +3,7 @@
 $(function() {
         $("a").click(function(event) {
             var link = $(this).attr("href");
+            emitClickedEvent(link);
             if(link.indexOf(":")>=0){
                 return;
             }
@@ -41,3 +42,13 @@ function playSound(sound) {
     var a = new Audio(sound);
     a.play();
 }
+
+function emitClickedEvent(link){
+    try{
+        articleview.linkClickedInHtml(link);
+    }catch(error)
+    {
+        console.log(error);
+    }
+
+}

weburlrequestinterceptor.cpp

@@ -10,7 +10,6 @@ WebUrlRequestInterceptor::WebUrlRequestInterceptor(QObject *p)
 void WebUrlRequestInterceptor::interceptRequest( QWebEngineUrlRequestInfo &info) {
   if (QWebEngineUrlRequestInfo::NavigationTypeLink == info.navigationType() && info.resourceType() == QWebEngineUrlRequestInfo::ResourceTypeMainFrame) {
     emit linkClicked(info.requestUrl());
-
     info.block(true);
   }
 }