Introduce Kiwix Search Header

resources/i18n/en.json

@@ -171,5 +171,6 @@
     "save-page-as": "Save As...",
     "portable-disabled-tooltip": "Function disabled in portable mode",
     "scroll-next-tab": "Scroll to next tab",
-    "scroll-previous-tab": "Scroll to previous tab"
+    "scroll-previous-tab": "Scroll to previous tab",
+    "kiwix-search": "Kiwix search"
 }

resources/i18n/qqq.json

@@ -179,5 +179,6 @@
 	"save-page-as": "Represents the action of saving the current tab content to a file chosen by the user.",
 	"portable-disabled-tooltip": "Tooltip used to explain disabled components in the portable version.",
 	"scroll-next-tab": "Represents the action of scrolling to the next tab of the current tab which toward the end of the tab bar.",
-	"scroll-previous-tab": "Represents the action of scrolling to the previous tab of the current tab which toward the start of the tab bar."
+	"scroll-previous-tab": "Represents the action of scrolling to the previous tab of the current tab which toward the start of the tab bar.",
+	"kiwix-search": "Title text for a list of search results, which notes to the user those are from Kiwix's Search Engine"
 }

src/searchbar.cpp

@@ -50,6 +50,7 @@ void BookmarkButton::on_buttonClicked()
 
 SearchBarLineEdit::SearchBarLineEdit(QWidget *parent) :
     QLineEdit(parent),
+    m_suggestionView(new QTreeView),
     m_completer(&m_suggestionModel, this)
 {
     installEventFilter(this);
@@ -72,7 +73,13 @@ SearchBarLineEdit::SearchBarLineEdit(QWidget *parent) :
     m_completer.setMaxVisibleItems(SuggestionListWorker::getFetchSize() / 2);
     setCompleter(&m_completer);
 
-    m_completer.popup()->setStyleSheet(KiwixApp::instance()->parseStyleFromFile(":/css/popup.css"));
+    /* QCompleter's uses default list views, which do not have headers. */
+    m_completer.setPopup(m_suggestionView);
+
+    m_suggestionView->header()->setStretchLastSection(true);
+    m_suggestionView->setRootIsDecorated(false);
+    m_suggestionView->setStyleSheet(KiwixApp::instance()->parseStyleFromFile(":/css/popup.css"));
+
     connect(m_completer.popup()->verticalScrollBar(), &QScrollBar::valueChanged,
             this, &SearchBarLineEdit::onScroll);
 

src/searchbar.h

@@ -12,6 +12,8 @@
 #include <QToolBar>
 #include "suggestionlistmodel.h"
 
+class QTreeView;
+
 class BookmarkButton : public QToolButton {
     Q_OBJECT
 public:
@@ -42,6 +44,7 @@ protected:
     virtual void focusOutEvent(QFocusEvent *);
 private:
     SuggestionListModel m_suggestionModel;
+    QTreeView *m_suggestionView;
     QCompleter m_completer;
     QString m_title;
     QString m_searchbarInput;

src/suggestionlistmodel.cpp

@@ -42,6 +42,21 @@ QVariant SuggestionListModel::data(const QModelIndex &index, int role) const
     return QVariant();
 }
 
+QVariant SuggestionListModel::headerData(int section,
+                                         Qt::Orientation orientation,
+                                         int role) const
+{
+    if (section != 0 || orientation != Qt::Orientation::Horizontal)
+        return QVariant();
+
+    switch (role)
+    {
+        case Qt::DisplayRole:
+            return gt("kiwix-search");
+    }
+    return QVariant();
+}
+
 void SuggestionListModel::resetSuggestions()
 {
     beginResetModel();

src/suggestionlistmodel.h

@@ -22,6 +22,7 @@ public:
 
     int rowCount(const QModelIndex &parent = QModelIndex()) const override;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
 
     void resetSuggestions();
     void append(const QList<SuggestionData>& suggestionList);