Fix error dialog focus issues after dismissal on Steam Link

app/gui/AppView.qml

@@ -214,7 +214,7 @@ GridView {
         }
     }
 
-    MessageDialog {
+    NavigableMessageDialog {
         id: quitAppDialog
         modality:Qt.WindowModal
         property string appName : ""

app/gui/CliStartStreamSegue.qml

@@ -78,7 +78,7 @@ Item {
         }
     }
 
-    MessageDialog {
+    NavigableMessageDialog {
         id: quitAppDialog
         modality:Qt.WindowModal
         text:"Are you sure you want to quit " + appName +"? Any unsaved progress will be lost."

app/gui/ErrorMessageDialog.qml

@@ -3,7 +3,7 @@ import QtQuick.Dialogs 1.2
 
 import SystemProperties 1.0
 
-MessageDialog {
+NavigableMessageDialog {
     property string helpText
 
     informativeText: SystemProperties.hasBrowser ? helpText : ""

app/gui/NavigableMessageDialog.qml

@@ -0,0 +1,21 @@
+import QtQuick 2.0
+import QtQuick.Dialogs 1.2
+
+MessageDialog {
+    property Item originalFocusItem
+
+    onVisibleChanged: {
+        if (!isWindow) {
+            if (visible) {
+                originalFocusItem = window.activeFocusItem
+            }
+            else {
+                // We must force focus back to the last item for platforms without
+                // support for more than one active window like Steam Link. If
+                // we don't, gamepad and keyboard navigation will break after a
+                // dialog appears.
+                originalFocusItem.forceActiveFocus()
+            }
+        }
+    }
+}

app/gui/PcView.qml

@@ -238,7 +238,7 @@ GridView {
         }
     }
 
-    MessageDialog {
+    NavigableMessageDialog {
         id: pairDialog
         // don't allow edits to the rest of the window while open
         modality:Qt.WindowModal
@@ -250,7 +250,7 @@ GridView {
         }
     }
 
-    MessageDialog {
+    NavigableMessageDialog {
         id: deletePcDialog
         // don't allow edits to the rest of the window while open
         modality:Qt.WindowModal

app/gui/main.qml

@@ -230,7 +230,13 @@ ApplicationWindow {
                 ToolTip.delay: 1000
                 ToolTip.timeout: 3000
                 ToolTip.visible: hovered
-                ToolTip.text: "Add a new PC manually"
+                ToolTip.text: "Add PC manually" + (newPcShortcut.nativeText ? (" ("+newPcShortcut.nativeText+")") : "")
+
+                Shortcut {
+                    id: newPcShortcut
+                    sequence: StandardKey.New
+                    onActivated: addPcButton.clicked()
+                }
 
                 onClicked: {
                     addPcDialog.open()
@@ -393,7 +399,7 @@ ApplicationWindow {
         }
     }
 
-    MessageDialog {
+    NavigableMessageDialog {
         id: wow64Dialog
         icon: StandardIcon.Warning
         standardButtons: StandardButton.Ok | StandardButton.Cancel
@@ -415,7 +421,7 @@ ApplicationWindow {
     }
 
     // This dialog appears when quitting via keyboard or gamepad button
-    MessageDialog {
+    NavigableMessageDialog {
         id: quitConfirmationDialog
         icon: StandardIcon.Warning
         standardButtons: StandardButton.Yes | StandardButton.No

app/qml.qrc

@@ -15,5 +15,6 @@
         <file>gui/AutoResizingComboBox.qml</file>
         <file>gui/NavigableMenu.qml</file>
         <file>gui/ErrorMessageDialog.qml</file>
+        <file>gui/NavigableMessageDialog.qml</file>
     </qresource>
 </RCC>