Assistant: Make QResultWidget linkColor styleable

Add a property "linkColor" of QColor type to the
QResultWidget class. Now it's possible to style
the link color in search result widget through the
following stylesheet:

QResultWidget
{
    qproperty-linkColor: red;
}

Fixes: QTBUG-74353
Change-Id: Ife57b5a64154be83f6eab4ef533840c51aefd1f5
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Kai Koehne <kai.koehne@qt.io>
(cherry picked from commit 178313751273284b1f0167391af721f006a677c5)

1 files changed, 18 insertions, 6 deletions

diff --git a/src/assistant/help/qhelpsearchresultwidget.cpp b/src/assistant/help/qhelpsearchresultwidget.cpp
index 9c01032ba..9d67935f3 100644
--- a/src/assistant/help/qhelpsearchresultwidget.cpp
+++ b/src/assistant/help/qhelpsearchresultwidget.cpp
@@ -60,6 +60,7 @@ QT_BEGIN_NAMESPACE
 class QResultWidget : public QTextBrowser
 {
     Q_OBJECT
+    Q_PROPERTY(QColor linkColor READ linkColor WRITE setLinkColor)
 
 public:
     QResultWidget(QWidget *parent = nullptr)
@@ -68,9 +69,18 @@ public:
         connect(this, &QTextBrowser::anchorClicked,
                 this, &QResultWidget::requestShowLink);
         setContextMenuPolicy(Qt::NoContextMenu);
+        setLinkColor(palette().color(QPalette::Link));
     }
 
-    void showResultPage(const QList<QHelpSearchResult> results, bool isIndexing)
+    QColor linkColor() const { return m_linkColor; }
+    void setLinkColor(const QColor &color)
+    {
+        m_linkColor = color;
+        const QString sheet = QString::fromLatin1("a { text-decoration: underline; color: %1 }").arg(m_linkColor.name());
+        document()->setDefaultStyleSheet(sheet);
+    }
+
+    void showResultPage(const QList<QHelpSearchResult> &results, bool isIndexing)
     {
         QString htmlFile;
         QTextStream str(&htmlFile);
@@ -88,10 +98,10 @@ public:
             }
 
             for (const QHelpSearchResult &result : results) {
-                str << "<div style=\"text-align:left; font-weight:bold\"><a href=\""
-                    << result.url().toString() << "\">" << result.title() << "</a>"
-                    "<div style=\"color:green; font-weight:normal;"
-                    " margin:5px\">" << result.snippet() << "</div></div><p></p>";
+                str << "<div style=\"text-align:left\"><a href=\""
+                    << result.url().toString() << "\">"
+                    << result.title() << "</a></div>"
+                    "<div style =\"margin:5px\">" << result.snippet() << "</div>";
             }
         } else {
             str << "<div align=\"center\"><br><br><h2>"
@@ -118,8 +128,10 @@ private slots:
 #else
     void doSetSource(const QUrl & /*name*/, QTextDocument::ResourceType /*type*/) override {}
 #endif
-};
 
+private:
+    QColor m_linkColor;
+};
 
 class QHelpSearchResultWidgetPrivate : public QObject
 {