Implemented radio button preferences. Reimplemented snap smooth turn to radio buttons

interface/resources/qml/dialogs/preferences/RadioButtonsPreference.qml

@@ -0,0 +1,57 @@
+//
+//  RadioButtonsPreference.qml
+//
+//  Created by Cain Kilgore on 20th July 2017
+//  Copyright 2017 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+import QtQuick 2.5
+
+import "../../controls-uit"
+
+Preference {
+    id: root
+    
+    height: control.height + hifi.dimensions.controlInterlineHeight
+
+    Component.onCompleted: {
+        repeater.itemAt(preference.value).checked = true
+    }
+
+    function save() {
+        var value = 0;
+        for (var i = 0; i < repeater.count; i++) {
+            if (repeater.itemAt(i).checked) {
+                value = i;
+                break;
+            }
+        }
+        preference.value = value;
+        preference.save();
+    }
+
+    Row {
+        id: control
+        anchors {
+            left: parent.left
+            right: parent.right
+            bottom: parent.bottom
+        }
+        spacing: 5
+
+        Repeater {
+            id: repeater
+            model: preference.items.length
+            delegate: RadioButton {
+                text: preference.items[index]
+                anchors {
+                    verticalCenter: parent.verticalCenter
+                }
+                colorScheme: hifi.colorSchemes.dark
+            }
+        }
+    }
+}

interface/resources/qml/dialogs/preferences/Section.qml

@@ -74,6 +74,7 @@ Preference {
         property var comboBoxBuilder: Component { ComboBoxPreference { } }
         property var spinnerSliderBuilder: Component { SpinnerSliderPreference { } }
         property var primaryHandBuilder: Component { PrimaryHandPreference { } }
+        property var radioButtonsBuilder: Component { RadioButtonsPreference { } }
         property var preferences: []
         property int checkBoxCount: 0
 
@@ -140,6 +141,10 @@ Preference {
                     checkBoxCount++;
                     builder = primaryHandBuilder;
                     break;
+                case Preference.RadioButtons:
+                    checkBoxCount++;
+                    builder = radioButtonsBuilder;
+                    break;
             };
 
             if (builder) {

interface/resources/qml/hifi/tablet/tabletWindows/preferences/Section.qml

@@ -82,6 +82,7 @@ Preference {
         property var comboBoxBuilder: Component { ComboBoxPreference { } }
         property var spinnerSliderBuilder: Component { SpinnerSliderPreference { } }
         property var primaryHandBuilder: Component { PrimaryHandPreference { } }
+        property var radioButtonsBuilder: Component { RadioButtonsPreference { } }
         property var preferences: []
         property int checkBoxCount: 0
 
@@ -154,6 +155,10 @@ Preference {
                     checkBoxCount++;
                     builder = primaryHandBuilder;
                     break;
+                case Preference.RadioButtons:
+                    checkBoxCount++;
+                    builder = radioButtonsBuilder;
+                    break;
             };
 
             if (builder) {

interface/src/ui/PreferencesDialog.cpp

@@ -274,9 +274,13 @@ void setupPreferences() {
         preferences->addPreference(new CheckPreference(MOVEMENT, "Flying & jumping", getter, setter));
     }
     {
-        auto getter = [=]()->bool { return myAvatar->getSnapTurn(); };
-        auto setter = [=](bool value) { myAvatar->setSnapTurn(value); };
-        preferences->addPreference(new CheckPreference(MOVEMENT, "Snap turn / Smooth turn", getter, setter));
+        auto getter = [=]()->int { return myAvatar->getSnapTurn() ? 0 : 1; };
+        auto setter = [=](int value) { myAvatar->setSnapTurn(value == 0); };
+        auto preference = new RadioButtonsPreference(MOVEMENT, "Snap turn / Smooth turn", getter, setter);
+        QStringList items;
+        items << "Snap turn" << "Smooth turn";
+        preference->setItems(items);
+        preferences->addPreference(preference);
     }
     {
         auto getter = [=]()->float { return myAvatar->getUserHeight(); };

libraries/shared/src/Preferences.h

@@ -58,7 +58,8 @@ public:
         ComboBox,
         PrimaryHand,
         // Special casing for an unusual preference
-        Avatar
+        Avatar,
+        RadioButtons
     };
 
     explicit Preference(QObject* parent = nullptr) : QObject(parent) {}
@@ -353,6 +354,20 @@ public:
     Type getType() override { return PrimaryHand; }
 };
 
+class RadioButtonsPreference : public IntPreference {
+    Q_OBJECT
+    Q_PROPERTY(QStringList items READ getItems CONSTANT)
+public:
+    RadioButtonsPreference(const QString& category, const QString& name, Getter getter, Setter setter)
+        : IntPreference(category, name, getter, setter) { }
+    Type getType() override { return RadioButtons; }
+
+    const QStringList& getItems() { return _items; }
+    void setItems(const QStringList& items) { _items = items; }
+
+protected:
+    QStringList _items;
+};
 #endif