From d65f26557efd376e4eeab8d12ff45e2b28fe7610 Mon Sep 17 00:00:00 2001
From: Thomas Hartmann <thomas.hartmann@qt.io>
Date: Fri, 20 Oct 2017 10:11:14 +0200
Subject: QmlDesigner: Fix crash

If the keyboard is used (delete) the list can be empty.

Change-Id: I7f67388d1af84091c8bc8b9a54345bb02dbf6ee2
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
---
 .../qmldesignerextension/connectioneditor/connectionviewwidget.cpp  | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/plugins/qmldesigner/qmldesignerextension/connectioneditor/connectionviewwidget.cpp b/src/plugins/qmldesigner/qmldesignerextension/connectioneditor/connectionviewwidget.cpp
index 2ad6d34d3d..54b771bf0d 100644
--- a/src/plugins/qmldesigner/qmldesignerextension/connectioneditor/connectionviewwidget.cpp
+++ b/src/plugins/qmldesigner/qmldesignerextension/connectioneditor/connectionviewwidget.cpp
@@ -231,18 +231,24 @@ void ConnectionViewWidget::handleTabChanged(int)
 void ConnectionViewWidget::removeButtonClicked()
 {
     if (currentTab() == ConnectionTab) {
+        if (ui->connectionView->selectionModel()->selectedRows().isEmpty())
+            return;
         int currentRow =  ui->connectionView->selectionModel()->selectedRows().first().row();
         ConnectionModel *connectionModel = qobject_cast<ConnectionModel*>(ui->connectionView->model());
         if (connectionModel) {
             connectionModel->deleteConnectionByRow(currentRow);
         }
     } else if (currentTab() == BindingTab) {
+        if (ui->bindingView->selectionModel()->selectedRows().isEmpty())
+            return;
         int currentRow =  ui->bindingView->selectionModel()->selectedRows().first().row();
         BindingModel *bindingModel = qobject_cast<BindingModel*>(ui->bindingView->model());
         if (bindingModel) {
             bindingModel->deleteBindindByRow(currentRow);
         }
     } else if (currentTab() == DynamicPropertiesTab) {
+        if (ui->dynamicPropertiesView->selectionModel()->selectedRows().isEmpty())
+            return;
         int currentRow =  ui->dynamicPropertiesView->selectionModel()->selectedRows().first().row();
         DynamicPropertiesModel *dynamicPropertiesModel = qobject_cast<DynamicPropertiesModel*>(ui->dynamicPropertiesView->model());
         if (dynamicPropertiesModel)
-- 
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