Improve source menu

imports/NeoChat/Menu/Timeline/MessageSourceSheet.qml

@@ -7,23 +7,38 @@ import QtQuick.Controls 2.15
 
 import org.kde.syntaxhighlighting 1.0
 import org.kde.kirigami 2.15 as Kirigami
+import org.kde.neochat 1.0
 
-Kirigami.OverlaySheet {
-
+Kirigami.Page {
     property string sourceText
 
+    topPadding: 0
+    leftPadding: 0
+    rightPadding: 0
+    bottomPadding: 0
+
     title: i18n("Message Source")
 
-    TextArea {
-        id: sourceTextArea
-        text: sourceText
-        readOnly: true
-        wrapMode: Text.WordWrap
+    ScrollView {
+        anchors.fill: parent
+        contentWidth: availableWidth
+        TextArea {
+            id: sourceTextArea
+            text: sourceText
+            readOnly: true
+            textFormat: TextEdit.PlainText
+            wrapMode: Text.WordWrap
+            background: Rectangle {
+                Kirigami.Theme.colorSet: Kirigami.Theme.View
+                Kirigami.Theme.inherit: false
+                color: Kirigami.Theme.backgroundColor
+            }
 
-        SyntaxHighlighter {
-            textEdit: sourceTextArea
-            repository: Repository
-            definition: "JSON"
+            SyntaxHighlighter {
+                textEdit: sourceTextArea
+                definition: "JSON"
+                repository: Repository
+            }
         }
     }
 }