From 4d958ae602315fd9d78af35c40b27d9c6ae6e656 Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Sun, 7 Jan 2018 20:02:33 +0100
Subject: Searching through BookmarkModel elements

---
 lib/navigation/urllineedit.cpp | 79 +++++++++++++++++++++++++++++++++++++++---
 1 file changed, 75 insertions(+), 4 deletions(-)

(limited to 'lib/navigation/urllineedit.cpp')

diff --git a/lib/navigation/urllineedit.cpp b/lib/navigation/urllineedit.cpp
index 095431b..85f443d 100644
--- a/lib/navigation/urllineedit.cpp
+++ b/lib/navigation/urllineedit.cpp
@@ -15,11 +15,19 @@
 // ssl menu
 #include <QLabel>
 
+#include <QListView>
+#include <QStringListModel>
+
 UrlLineEdit::UrlLineEdit(QWidget *parent) :
-    QLineEdit(parent)
+    QLineEdit(parent),
+    m_listView(new QListView(this))
 {
     setPlaceholderText(tr("Enter address"));
 
+    m_listView->setWindowFlags(Qt::ToolTip);
+    m_listView->setVisible(false);
+    connect(this, &UrlLineEdit::textEdited, this, &UrlLineEdit::updateCompleter);
+
     // ssl menu
     m_sslMenu = new QMenu(this);
     m_sslLabel = new QLabel(m_sslMenu);
@@ -70,9 +78,7 @@ QAction *UrlLineEdit::pageAction()
 void UrlLineEdit::setCompleterModel(QAbstractItemModel *model)
 {
     Q_CHECK_PTR(model);
-    m_completer = new UrlCompleter(model, this);
-    m_completer->setCompletionColumn(1);
-    this->setCompleter(m_completer);
+    m_bookmarksModel = model;
 }
 
 void UrlLineEdit::setUrl(const QUrl &url)
@@ -95,6 +101,31 @@ void UrlLineEdit::showSslError(const QString &message)
     m_sslAction->trigger();
 }
 
+void UrlLineEdit::updateCompleter(const QString &text)
+{
+    if(m_bookmarksModel == nullptr) {
+        return;
+    }
+
+    const QModelIndexList res = m_bookmarksModel->match(QModelIndex(), Qt::EditRole, text, 7);
+    QStringList l;
+    for(const QModelIndex &idx : res) {
+        l.append(idx.data(Qt::EditRole).toString());
+    }
+
+    if(!text.isEmpty()) {
+        l.append(text);
+    }
+    QStringListModel *m = new QStringListModel(l, this);
+
+    m_listView->setModel(m);
+
+    // positioning
+    m_listView->setFixedWidth(width());
+    m_listView->move(mapToGlobal(QPoint(0, height())));
+    m_listView->show();
+}
+
 void UrlLineEdit::focusInEvent(QFocusEvent *event)
 {
     clearTextFormat();
@@ -107,6 +138,46 @@ void UrlLineEdit::focusInEvent(QFocusEvent *event)
     //QTimer::singleShot(0, this, SLOT(selectAll()));
 }
 
+void UrlLineEdit::keyPressEvent(QKeyEvent *event)
+{
+    if(!m_listView->isHidden()) {
+        int key = event->key();
+        int count = m_listView->model()->rowCount();
+        QModelIndex currentIndex = m_listView->currentIndex();
+
+        switch (key) {
+        case Qt::Key_Down:
+            if(currentIndex.row() + 1 >= count) {
+                m_listView->setCurrentIndex(m_listView->model()->index(0, 0));
+            } else {
+                m_listView->setCurrentIndex(m_listView->model()->index(currentIndex.row() + 1, 0));
+            }
+            break;
+        case Qt::Key_Up:
+            if(currentIndex.row() == 0) {
+                m_listView->setCurrentIndex(m_listView->model()->index(count - 1, 0));
+            } else {
+                m_listView->setCurrentIndex(m_listView->model()->index(currentIndex.row() - 1, 0));
+            }
+            break;
+
+        case Qt::Key_Enter:
+        case Qt::Key_Return:
+            if(currentIndex.isValid()) {
+                setText(currentIndex.data().toString());
+            }
+            m_listView->hide();
+            return;
+        case Qt::Key_Escape:
+            m_listView->hide();
+            break;
+        default:
+            break;
+        }
+    }
+    QLineEdit::keyPressEvent(event);
+}
+
 // formatting taken from: https://forum.qt.io/topic/60962/setting-qlineedit-text-bold
 void UrlLineEdit::setTextFormat(const QTextLayout::FormatRange &format)
 {
-- 
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