Change Settings to singleton and add AutoMouseArea.

Also fixes acceptInvitation issue.

qml/form/RoomListForm.qml

@@ -6,6 +6,7 @@ import QtQuick.Controls.Material 2.2
 import QtQml.Models 2.3
 import Matrique 0.1
 import SortFilterProxyModel 0.2
+import MatriqueSettings 0.1
 
 import "qrc:/qml/component"
 
@@ -13,7 +14,7 @@ Item {
     property alias listModel: roomListProxyModel.sourceModel
     readonly property int currentIndex: roomListProxyModel.mapToSource(listView.currentIndex)
     readonly property var currentRoom: currentIndex != -1 ? listModel.roomAt(currentIndex) : null
-    readonly property bool mini: setting.miniMode // Used as an indicator of whether the listform should be displayed as "Mini mode".
+    readonly property bool mini: MatriqueSettings.miniMode // Used as an indicator of whether the listform should be displayed as "Mini mode".
     signal enterRoom()
 
     ColumnLayout {
@@ -121,9 +122,14 @@ Item {
                 delegate: ItemDelegate {
                     width: parent.width
                     height: 80
-                    onPressed: listView.currentIndex = index
-                    onPressAndHold: roomListMenu.popup()
-                    onClicked: category === RoomType.Invited ? inviteDialog.open() : enterRoom()
+
+                    AutoMouseArea {
+                        anchors.fill: parent
+
+                        onPressed: listView.currentIndex = index
+                        onSecondaryClicked: roomListMenu.popup()
+                        onPrimaryClicked: category === RoomType.Invited ? inviteDialog.open() : enterRoom()
+                    }
 
                     ToolTip.visible: mini && hovered
                     ToolTip.text: name
@@ -209,7 +215,7 @@ Item {
                     contentItem: Label { text: "Accept this invitation?" }
 
                     onAccepted: currentRoom.acceptInvitation()
-                    onRejected: currentRoom.rejectInvitation()
+                    onRejected: currentRoom.forget()
                 }
 
                 Menu {

qml/form/SettingAppearanceForm.qml

@@ -1,19 +1,21 @@
 import QtQuick 2.9
 import QtQuick.Controls 2.2
+import MatriqueSettings 0.1
 
 Page {
-    property alias darkTheme: themeSwitch.checked
-    property alias miniMode: miniModeSwitch.checked
-
     Column {
         Switch {
             id: themeSwitch
             text: "Dark theme"
+            checked: MatriqueSettings.darkTheme
+            onCheckedChanged: MatriqueSettings.darkTheme = checked
         }
 
         Switch {
             id: miniModeSwitch
             text: "Mini Room List"
+            checked: MatriqueSettings.miniMode
+            onCheckedChanged: MatriqueSettings.miniMode = checked
         }
     }
 }

qml/form/SettingGeneralForm.qml

@@ -1,24 +1,32 @@
 import QtQuick 2.9
 import QtQuick.Controls 2.2
+import MatriqueSettings 0.1
 
 Page {
-    property alias lazyLoad: lazyLoadSwitch.checked
-    property alias asyncMessageDelegate: asyncMessageDelegateSwitch.checked
-    property alias richText: richTextSwitch.checked
-
     Column {
         Switch {
             id: lazyLoadSwitch
             text: "Lazy load at initial sync"
-            checked: true
+            checked: MatriqueSettings.lazyLoad
+            onCheckedChanged: MatriqueSettings.lazyLoad = checked
         }
         Switch {
             id: asyncMessageDelegateSwitch
             text: "Force loading message delegates asynchronously"
+            checked: MatriqueSettings.asyncMessageDelegate
+            onCheckedChanged: MatriqueSettings.asyncMessageDelegate = checked
         }
         Switch {
             id: richTextSwitch
             text: "Use RichText instead of StyledText"
+            checked: MatriqueSettings.richText
+            onCheckedChanged: MatriqueSettings.richText = checked
+        }
+        Switch {
+            id: pressAndHoldSwitch
+            text: "Use press and hold instead of right click"
+            checked: MatriqueSettings.pressAndHold
+            onCheckedChanged: MatriqueSettings.pressAndHold = checked
         }
 
         Button {