Show wrap indicator also for searches in help views.

Task-number: QTCREATORBUG-2753

src/plugins/help/centralwidget.cpp

@@ -167,9 +167,9 @@ void CentralWidget::setCurrentPage(HelpViewer *page)
 }
 
 bool CentralWidget::find(const QString &txt, Find::FindFlags flags,
-    bool incremental)
+    bool incremental, bool *wrapped)
 {
-    return currentHelpViewer()->findText(txt, flags, incremental, false);
+    return currentHelpViewer()->findText(txt, flags, incremental, false, wrapped);
 }
 
 // -- public slots

src/plugins/help/centralwidget.h

@@ -73,7 +73,7 @@ public:
     void setCurrentPage(HelpViewer *page);
 
     bool find(const QString &txt, Find::FindFlags findFlags,
-        bool incremental);
+        bool incremental, bool *wrapped = 0);
 
 public slots:
     void copy();

src/plugins/help/helpfindsupport.cpp

@@ -75,16 +75,24 @@ QString HelpFindSupport::completedFindString() const
 Find::IFindSupport::Result HelpFindSupport::findIncremental(const QString &txt,
     Find::FindFlags findFlags)
 {
-    QTC_ASSERT(m_centralWidget, return NotFound);
     findFlags &= ~Find::FindBackward;
-    return m_centralWidget->find(txt, findFlags, true) ? Found : NotFound;
+    return find(txt, findFlags, true) ? Found : NotFound;
 }
 
 Find::IFindSupport::Result HelpFindSupport::findStep(const QString &txt,
     Find::FindFlags findFlags)
 {
-    QTC_ASSERT(m_centralWidget, return NotFound);
-    return m_centralWidget->find(txt, findFlags, false) ? Found : NotFound;
+    return find(txt, findFlags, false) ? Found : NotFound;
+}
+
+bool HelpFindSupport::find(const QString &txt, Find::FindFlags findFlags, bool incremental)
+{
+    QTC_ASSERT(m_centralWidget, return false);
+    bool wrapped = false;
+    bool found = m_centralWidget->find(txt, findFlags, incremental, &wrapped);
+    if (wrapped)
+        showWrapIndicator(m_centralWidget);
+    return found;
 }
 
 // -- HelpViewerFindSupport
@@ -125,5 +133,9 @@ bool HelpViewerFindSupport::find(const QString &txt,
     Find::FindFlags findFlags, bool incremental)
 {
     QTC_ASSERT(m_viewer, return false);
-    return m_viewer->findText(txt, findFlags, incremental, false);
+    bool wrapped = false;
+    bool found = m_viewer->findText(txt, findFlags, incremental, false, &wrapped);
+    if (wrapped)
+        showWrapIndicator(m_viewer);
+    return found;
 }

src/plugins/help/helpviewer.h

@@ -87,7 +87,7 @@ public:
     bool isBackwardAvailable() const;
 
     bool findText(const QString &text, Find::FindFlags flags,
-        bool incremental, bool fromSearch);
+        bool incremental, bool fromSearch, bool *wrapped = 0);
 
     static const QString NsNokia;
     static const QString NsTrolltech;

src/plugins/help/helpviewer_qtb.cpp

@@ -191,8 +191,10 @@ bool HelpViewer::isBackwardAvailable() const
 }
 
 bool HelpViewer::findText(const QString &text, Find::FindFlags flags,
-    bool incremental, bool fromSearch)
+    bool incremental, bool fromSearch, bool *wrapped)
 {
+    if (wrapped)
+        *wrapped = false;
     QTextDocument *doc = document();
     QTextCursor cursor = textCursor();
     if (!doc || cursor.isNull())
@@ -210,6 +212,8 @@ bool HelpViewer::findText(const QString &text, Find::FindFlags flags,
         else
             cursor.movePosition(QTextCursor::End);
         found = doc->find(text, cursor, f);
+        if (!found.isNull() && wrapped)
+            *wrapped = true;
     }
 
     if (fromSearch) {

src/plugins/help/helpviewer_qwv.cpp

@@ -344,17 +344,25 @@ bool HelpViewer::isBackwardAvailable() const
 }
 
 bool HelpViewer::findText(const QString &text, Find::FindFlags flags,
-    bool incremental, bool fromSearch)
+    bool incremental, bool fromSearch, bool *wrapped)
 {
     Q_UNUSED(incremental);
     Q_UNUSED(fromSearch);
-    QWebPage::FindFlags options = QWebPage::FindWrapsAroundDocument;
+    if (wrapped)
+        *wrapped = false;
+    QWebPage::FindFlags options;
     if (flags & Find::FindBackward)
         options |= QWebPage::FindBackward;
     if (flags & Find::FindCaseSensitively)
         options |= QWebPage::FindCaseSensitively;
 
     bool found = QWebView::findText(text, options);
+    if (!found) {
+        options |= QWebPage::FindWrapsAroundDocument;
+        found = QWebView::findText(text, options);
+        if (found && wrapped)
+            *wrapped = true;
+    }
     options = QWebPage::HighlightAllOccurrences;
     QWebView::findText(QLatin1String(""), options); // clear first
     QWebView::findText(text, options); // force highlighting of all other matches