QT5/6 things, improved sidebar (#673)

* exp are these code corpses from stephen ?

* exp - sidebar show choices

* exp - sidebar show choices

* improved sidebar (navigation / choices). Works ;)

qml/qml.qrc

@@ -307,5 +307,9 @@
         <file>ui/sidebar/InfoElement2.qml</file>
         <file>ui/elements/ErrorMessageBox.qml</file>
         <file>ui/elements/ColorDialoque.qml</file>
+        <file>ui/sidebar/ChoiceSelector.qml</file>
+        <file>ui/sidebar/BaseJoyEditElement2.qml</file>
+        <file>ui/sidebar/MavlinkChoiceElement2.qml</file>
+        <file>ui/sidebar/MappedMavlinkChoices.qml</file>
     </qresource>
 </RCC>

qml/ui/HUDOverlayGrid.qml

@@ -278,6 +278,12 @@ Item {
         width: parent.width
         height: parent.height
         visible: !quickPanel.visible
+        MouseArea{
+            anchors.fill: parent
+            onClicked: {
+                sidebar.notify_sidebar_user_clicked_outside();
+            }
+        }
 
         // By default on top row
         // --------------------------------------------------------------------------

qml/ui/sidebar/BaseJoyEditElement2.qml

@@ -0,0 +1,98 @@
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+import QtQuick.Layouts 1.12
+import QtQuick.Controls.Material 2.12
+
+import Qt.labs.settings 1.0
+
+import OpenHD 1.0
+
+import "../../ui" as Ui
+import "../elements"
+
+//
+// Base for an UI element that has the following properties:
+// left / right: Increment / Decrement (model) value (If increment / decrement is available)
+// top / bottom : Go to next / previous element
+// MIDDLE: Show the current value
+//
+// It looks like this:
+// |--------------------|
+// |  TITLE   VALUE   * | -> Selector (can be opened)
+// |--------------------|
+//
+// Joystick navigatable (focus) but also supports touch.
+Item{
+    id: base_joy_edit_element
+    width: 320
+    height: 70
+
+    property string m_title: "FILL ME"
+
+    property bool m_is_selected: false
+
+    property string m_displayed_value: "VALUE T"
+
+    property bool m_is_enabled: true
+
+    // Allows the parent to override the text color
+    // Right now only used by the change frequency element
+    property bool override_show_red_text: false
+
+    // Emitted if the the element is clicked (for non-joystick usage)
+    signal base_joy_edit_element_clicked();
+
+    function takeover_control(){
+        focus=true;
+    }
+
+    Rectangle{
+        width: parent.width
+        height:parent.height
+        border.color: "white"
+        border.width: base_joy_edit_element.focus ? 3 : 0;
+        color: "#333c4c"
+        opacity: base_joy_edit_element.focus ? 1.0 : 0.3;
+    }
+
+
+    Text {
+        id: title_str
+        text: qsTr(m_title)
+        width: parent.width/2
+        height: parent.height
+        verticalAlignment: Qt.AlignVCenter
+        horizontalAlignment: Qt.AlignHCenter
+        font.pixelSize: 18
+        anchors.top: parent.top
+        color: "white"
+    }
+
+    Text{
+        id:value_string
+        width: parent.width/2
+        height: parent.height
+        text: m_displayed_value
+        verticalAlignment: Qt.AlignVCenter
+        horizontalAlignment: Qt.AlignHCenter
+        font.pixelSize: 15
+        color: override_show_red_text? "red" :  "white"
+        anchors.right: parent.right
+    }
+
+
+    Rectangle{
+        width: parent.width
+        height: parent.height
+        color: "gray"
+        opacity: 0.7
+        visible: !m_is_enabled
+    }
+
+    MouseArea{
+        anchors.fill: parent
+        onClicked: {
+            base_joy_edit_element_clicked()
+        }
+    }
+}