Message Content Rework

For now everything should look identical. However this moves to using a model for the content of the message and is intended to lay the foundation for improved message content representation, e.g. splitting up a text message in multiple sections and using different delegates for things like code and quotes.

src/qml/EventDelegate.qml

@@ -1,4 +1,5 @@
 // SPDX-FileCopyrightText: 2021 Tobias Fella <tobias.fella@kde.org>
+// SPDX-FileCopyrightText: 2024 James Graham <james.h.graham@protonmail.com>
 // SPDX-License-Identifier: GPL-3.0-only
 
 import QtQuick
@@ -23,65 +24,9 @@ DelegateChooser {
         delegate: StateDelegate {}
     }
 
-    DelegateChoice {
-        roleValue: DelegateType.Emote
-        delegate: TextDelegate {
-            room: root.room
-        }
-    }
-
     DelegateChoice {
         roleValue: DelegateType.Message
-        delegate: TextDelegate {
-            room: root.room
-        }
-    }
-
-    DelegateChoice {
-        roleValue: DelegateType.Notice
-        delegate: TextDelegate {
-            room: root.room
-        }
-    }
-
-    DelegateChoice {
-        roleValue: DelegateType.Image
-        delegate: ImageDelegate {
-            room: root.room
-        }
-    }
-
-    DelegateChoice {
-        roleValue: DelegateType.Sticker
-        delegate: ImageDelegate {
-            room: root.room
-        }
-    }
-
-    DelegateChoice {
-        roleValue: DelegateType.Audio
-        delegate: AudioDelegate {
-            room: root.room
-        }
-    }
-
-    DelegateChoice {
-        roleValue: DelegateType.Video
-        delegate: VideoDelegate {
-            room: root.room
-        }
-    }
-
-    DelegateChoice {
-        roleValue: DelegateType.File
-        delegate: FileDelegate {
-            room: root.room
-        }
-    }
-
-    DelegateChoice {
-        roleValue: DelegateType.Encrypted
-        delegate: EncryptedDelegate {
+        delegate: MessageDelegate {
             room: root.room
         }
     }
@@ -91,27 +36,6 @@ DelegateChooser {
         delegate: ReadMarkerDelegate {}
     }
 
-    DelegateChoice {
-        roleValue: DelegateType.Poll
-        delegate: PollDelegate {
-            room: root.room
-        }
-    }
-
-    DelegateChoice {
-        roleValue: DelegateType.Location
-        delegate: LocationDelegate {
-            room: root.room
-        }
-    }
-
-    DelegateChoice {
-        roleValue: DelegateType.LiveLocation
-        delegate: LiveLocationDelegate {
-            room: root.room
-        }
-    }
-
     DelegateChoice {
         roleValue: DelegateType.Loading
         delegate: LoadingDelegate {}