[LocationBar] Set cursor position at start when showing long url

Also disable animations for Oxygen style, it breaks when changing
text to completely different one (eg. loading foo.com and then bar.com)
and the url is too long to fit in line

src/lib/3rdparty/lineedit.cpp

@@ -23,7 +23,6 @@
 #include <QStyleOption>
 #include <QPainter>
 #include <QFocusEvent>
-#include <QApplication>
 
 SideWidget::SideWidget(QWidget* parent)
     : QWidget(parent)
@@ -157,8 +156,8 @@ void LineEdit::setTextFormat(const LineEdit::TextFormat &format)
         attributes.append(QInputMethodEvent::Attribute(type, start, length, value));
     }
 
-    QInputMethodEvent event(QString(), attributes);
-    QApplication::sendEvent(this, &event);
+    QInputMethodEvent ev(QString(), attributes);
+    event(&ev);
 }
 
 void LineEdit::clearTextFormat()

src/lib/app/mainapplication.cpp

@@ -55,6 +55,7 @@
 #include <QDesktopServices>
 #include <QSqlDatabase>
 #include <QTranslator>
+#include <QThreadPool>
 #include <QSettings>
 #include <QProcess>
 #include <QDebug>
@@ -268,11 +269,14 @@ MainApplication::MainApplication(int &argc, char** argv)
 
 MainApplication::~MainApplication()
 {
+    IconProvider::instance()->saveIconsToDatabase();
+
+    // Wait for all QtConcurrent jobs to finish
+    QThreadPool::globalInstance()->waitForDone();
+
     // Delete all classes that are saving data in destructor
     delete m_bookmarks;
     delete m_cookieJar;
-
-    IconProvider::instance()->saveIconsToDatabase();
 }
 
 bool MainApplication::isClosing() const

src/lib/navigation/locationbar.cpp

@@ -62,6 +62,9 @@ LocationBar::LocationBar(BrowserWindow* window)
     setObjectName("locationbar");
     setDragEnabled(true);
 
+    // Disable Oxygen QLineEdit transitions, it breaks with setText() && home()
+    setProperty("_kde_no_animations", QVariant(true));
+
     m_bookmarkIcon = new BookmarksIcon(this);
     m_goIcon = new GoIcon(this);
     m_rssIcon = new RssIcon(this);
@@ -70,7 +73,6 @@ LocationBar::LocationBar(BrowserWindow* window)
     DownIcon* down = new DownIcon(this);
 
     addWidget(m_siteIcon, LineEdit::LeftSide);
-
     addWidget(m_autofillIcon, LineEdit::RightSide);
     addWidget(m_bookmarkIcon, LineEdit::RightSide);
     addWidget(m_rssIcon, LineEdit::RightSide);
@@ -311,11 +313,16 @@ void LocationBar::showUrl(const QUrl &url)
 
     const QString stringUrl = convertUrlToText(url);
 
-    if (stringUrl == text()) {
+    if (text() == stringUrl) {
+        home(false);
         return;
     }
 
-    setText(stringUrl);
+    // Set converted url as text
+    setText(convertUrlToText(url));
+
+    // Move cursor to the start
+    home(false);
 
     hideGoButton();
     m_bookmarkIcon->checkBookmark(url);