Add "find in this document" to selection context menu

BUG: 408355

FIXED-IN: 1.9.0

part.cpp

@@ -524,6 +524,12 @@ m_cliPresentation(false), m_cliPrint(false), m_cliPrintAndExit(false), m_embedMo
     QMetaObject::invokeMethod( m_pageView, "setFocus", Qt::QueuedConnection );      //usability setting
 //    m_splitter->setFocusProxy(m_pageView);
     connect( m_pageView.data(), &PageView::rightClick, this, &Part::slotShowMenu );
+    connect( m_pageView, &PageView::triggerSearch, this,
+       [this] (const QString& searchText){
+           m_findBar->startSearch(searchText);
+           slotShowFindBar();
+       }
+    );
     connect( m_document, &Document::error, this, &Part::errorMessage );
     connect( m_document, &Document::warning, this, &Part::warningMessage );
     connect( m_document, &Document::notice, this, &Part::noticeMessage );

ui/pageview.cpp

@@ -103,6 +103,12 @@ static const int pageflags = PagePainter::Accessibility | PagePainter::EnhanceLi
 
 static const float kZoomValues[] = { 0.12, 0.25, 0.33, 0.50, 0.66, 0.75, 1.00, 1.25, 1.50, 2.00, 4.00, 8.00, 16.00 };
 
+// This is the length of the text that will be shown when the user is searching for a specific piece of text.
+static const int searchTextPreviewLength = 21;
+
+// When following a link, only a preview of this length will be used to set the text of the action.
+static const int linkTextPreviewLength = 30;
+
 static inline double normClamp( double value, double def )
 {
     return ( value < 0.0 || value > 1.0 ) ? def : value;
@@ -2833,6 +2839,7 @@ void PageView::mouseReleaseEvent( QMouseEvent * e )
 #endif
                 if ( copyAllowed )
                 {
+                    addSearchWithinDocumentAction( &menu, selectedText );
                     addWebShortcutsMenu( &menu, selectedText );
                 }
             }
@@ -3116,6 +3123,7 @@ void PageView::mouseReleaseEvent( QMouseEvent * e )
                             }
                             else
                             {
+                                addSearchWithinDocumentAction(menu, d->selectedText());
                                 addWebShortcutsMenu( menu, d->selectedText() );
                             }
 
@@ -3125,7 +3133,7 @@ void PageView::mouseReleaseEvent( QMouseEvent * e )
                                 url = UrlUtils::getUrl( d->selectedText() );
                                 if ( !url.isEmpty() )
                                 {
-                                    const QString squeezedText = KStringHandler::rsqueeze( url, 30 );
+                                    const QString squeezedText = KStringHandler::rsqueeze( url, linkTextPreviewLength );
                                     httpLink = menu->addAction( i18n( "Go to '%1'", squeezedText ) );
                                     httpLink->setObjectName(QStringLiteral("GoToAction"));
                                 }
@@ -4431,7 +4439,7 @@ void PageView::addWebShortcutsMenu( QMenu * menu, const QString & text )
             QMenu *webShortcutsMenu = new QMenu( menu );
             webShortcutsMenu->setIcon( QIcon::fromTheme( QStringLiteral("preferences-web-browser-shortcuts") ) );
 
-            const QString squeezedText = KStringHandler::rsqueeze( searchText, 21 );
+            const QString squeezedText = KStringHandler::rsqueeze( searchText, searchTextPreviewLength );
             webShortcutsMenu->setTitle( i18n( "Search for '%1' with", squeezedText ) );
 
             QAction *action = nullptr;
@@ -4507,6 +4515,15 @@ QMenu* PageView::createProcessLinkMenu(PageViewItem *item, const QPoint &eventPo
     return nullptr;
 }
 
+void PageView::addSearchWithinDocumentAction(QMenu *menu, const QString &searchText)
+{
+    const QString squeezedText = KStringHandler::rsqueeze( searchText, searchTextPreviewLength );
+    QAction *action = new QAction(i18n("Search for '%1' in open document", squeezedText), menu);
+    action->setIcon( QIcon::fromTheme( QStringLiteral("document-preview") ) );
+    connect(action, &QAction::triggered, [this, searchText]{Q_EMIT triggerSearch(searchText);});
+    menu->addAction( action );
+}
+
 //BEGIN private SLOTS
 void PageView::slotRelayoutPages()
 // called by: notifySetup, viewportResizeEvent, slotViewMode, slotContinuousToggled, updateZoom

ui/pageview.h

@@ -135,6 +135,7 @@ Q_OBJECT
         void mouseForwardButtonClick();
         void escPressed();
         void fitWindowToPage( const QSize& pageViewPortSize, const QSize& pageSize );
+        void triggerSearch( const QString& text );
 
     protected:
         bool event( QEvent * event ) override;
@@ -196,6 +197,7 @@ Q_OBJECT
         void resizeContentArea( const QSize & newSize );
         void updatePageStep();
 
+        void addSearchWithinDocumentAction(QMenu * menu, const QString & searchText );
         void addWebShortcutsMenu( QMenu * menu, const QString & text );
         QMenu* createProcessLinkMenu( PageViewItem *item, const QPoint & eventPos );
         // used when selecting stuff, makes the view scroll as necessary to keep the mouse inside the view