Change Settings to singleton and add AutoMouseArea.

Also fixes acceptInvitation issue.

qml/component/AutoMouseArea.qml

@@ -0,0 +1,12 @@
+import QtQuick 2.9
+import MatriqueSettings 0.1
+
+MouseArea {
+    signal primaryClicked()
+    signal secondaryClicked()
+
+    propagateComposedEvents: true
+    acceptedButtons: MatriqueSettings.pressAndHold ? Qt.LeftButton : (Qt.LeftButton | Qt.RightButton)
+    onClicked: mouse.button == Qt.RightButton ? secondaryClicked() : primaryClicked()
+    onPressAndHold: MatriqueSettings.pressAndHold ? secondaryClicked() : {}
+}

qml/component/MessageDelegate.qml

@@ -2,6 +2,7 @@ import QtQuick 2.9
 import QtQuick.Controls 2.2
 import QtQuick.Controls.Material 2.2
 import Matrique 0.1
+import MatriqueSettings 0.1
 
 Item {
     readonly property bool hidden: marks === EventStatus.Redacted || marks === EventStatus.Hidden
@@ -21,15 +22,15 @@ Item {
     anchors.right: !isState && sentByMe ? parent.right : undefined
     anchors.horizontalCenter: isState ? parent.horizontalCenter : undefined
 
-    MouseArea {
+    AutoMouseArea {
         anchors.fill: parent
-        onPressAndHold: Qt.createComponent("MessageContextMenu.qml").createObject(this)
+        onSecondaryClicked: Qt.createComponent("MessageContextMenu.qml").createObject(this)
     }
 
     Loader {
         id: delegateLoader
 
-        asynchronous: setting.asyncMessageDelegate
+        asynchronous: MatriqueSettings.asyncMessageDelegate
 
         source: {
             if (eventType == "redaction" || hidden) return ""

qml/component/TextDelegate.qml

@@ -2,6 +2,7 @@ import QtQuick 2.9
 import QtQuick.Controls 2.2
 import QtQuick.Controls.Material 2.2
 import QtQuick.Layouts 1.3
+import MatriqueSettings 0.1
 
 Rectangle {
     property bool flat: false
@@ -45,7 +46,7 @@ Rectangle {
 
             wrapMode: Label.Wrap
             linkColor: darkBackground ? "white" : Material.accent
-            textFormat: setting.richText ? Text.RichText : Text.StyledText
+            textFormat: MatriqueSettings.richText ? Text.RichText : Text.StyledText
             onLinkActivated: Qt.openUrlExternally(link)
         }