[Fix:] Crash when opening js dialog from locationbar and closing tab

- how to reproduce:
  1. write javascript:alert("test"); to locationbar and hit enter
  2. alert will show up
  3. close tab
  4. app will most likely crash

src/navigation/locationbar.cpp

@@ -123,7 +123,7 @@ void LocationBar::urlEnter()
     }
 
     m_webView->setFocus();
-    m_webView->load(urlToLoad);
+    emit loadUrl(urlToLoad);
 }
 
 void LocationBar::textEdit()
@@ -247,8 +247,10 @@ void LocationBar::dropEvent(QDropEvent* event)
         QUrl dropUrl = event->mimeData()->urls().at(0);
         if (WebView::isUrlValid(dropUrl)) {
             setText(dropUrl.toString());
-            p_QupZilla->loadAddress(dropUrl);
-            QLineEdit::focusOutEvent(new QFocusEvent(QFocusEvent::FocusOut));
+
+            m_webView->setFocus();
+            emit loadUrl(dropUrl);
+
             return;
         }
     }
@@ -256,8 +258,10 @@ void LocationBar::dropEvent(QDropEvent* event)
         QUrl dropUrl = QUrl(event->mimeData()->text().trimmed());
         if (WebView::isUrlValid(dropUrl)) {
             setText(dropUrl.toString());
-            p_QupZilla->loadAddress(dropUrl);
-            QLineEdit::focusOutEvent(new QFocusEvent(QFocusEvent::FocusOut));
+
+            m_webView->setFocus();
+            emit loadUrl(dropUrl);
+
             return;
         }
 

src/navigation/locationbar.h

@@ -53,6 +53,9 @@ public:
 
     void setWebView(WebView* view) { m_webView = view; }
 
+signals:
+    void loadUrl(const QUrl &url);
+
 public slots:
     void showUrl(const QUrl &url, bool empty = true);
 

src/webview/tabbar.cpp

@@ -316,6 +316,7 @@ void TabBar::mouseDoubleClickEvent(QMouseEvent* event)
         m_tabWidget->addView(QUrl(), tr("New tab"), TabWidget::NewTab, true);
         return;
     }
+
     QTabBar::mouseDoubleClickEvent(event);
 }
 
@@ -335,5 +336,6 @@ void TabBar::mouseReleaseEvent(QMouseEvent* event)
         m_tabWidget->addView(QUrl(), tr("New tab"), TabWidget::NewSelectedTab, true);
         return;
     }
+
     QTabBar::mouseReleaseEvent(event);
 }

src/webview/webtab.cpp

@@ -47,6 +47,7 @@ WebTab::WebTab(QupZilla* mainClass, LocationBar* locationBar)
     connect(m_view.data(), SIGNAL(showUrl(QUrl)), m_locationBar.data(), SLOT(showUrl(QUrl)));
     connect(m_view.data(), SIGNAL(rssChanged(bool)), m_locationBar.data(), SLOT(showRSSIcon(bool)));
     connect(m_view.data()->webPage(), SIGNAL(privacyChanged(bool)), m_locationBar.data(), SLOT(setPrivacy(bool)));
+    connect(m_locationBar.data(), SIGNAL(loadUrl(QUrl)), m_view.data(), SLOT(load(QUrl)));
 }
 
 void WebTab::showNotification(QWidget* notif)

src/webview/webview.h

@@ -47,7 +47,6 @@ public:
     int getLoading() { return m_progress; }
 
     void zoomReset();
-    void load(const QUrl &url);
     QUrl url() const;
     QString title() const;
     void reload();
@@ -80,6 +79,8 @@ signals:
     void rssChanged(bool state);
 
 public slots:
+    void load(const QUrl &url);
+
     void stop();
     void back();
     void forward();