Implement message forwarding

Implements #338

src/qml/Component/Timeline/TimelineContainer.qml

@@ -605,6 +605,7 @@ ColumnLayout {
             source: root.jsonSource,
             eventType: root.delegateType,
             plainText: root.plainText,
+            htmlText: root.display,
         });
         contextMenu.open();
     }

src/qml/Menu/Timeline/MessageDelegateContextMenu.qml

@@ -19,6 +19,7 @@ Loader {
     required property string source
     property string selectedText: ""
     required property string plainText
+    property string htmlText: undefined
 
     property list<Kirigami.Action> nestedActions
 
@@ -40,6 +41,20 @@ Loader {
                 currentRoom.chatBoxEditId = "";
             }
         },
+        Kirigami.Action {
+            text: i18nc("@action:inmenu As in 'Forward this message'", "Forward")
+            icon.name: "mail-forward-symbolic"
+            onTriggered: {
+                let page = applicationWindow().pageStack.pushDialogLayer("qrc:/ChooseRoomDialog.qml", {}, {
+                    title: i18nc("@title", "Forward Message"),
+                    width: Kirigami.Units.gridUnit * 25
+                })
+                page.chosen.connect(function(targetRoomId) {
+                    Controller.activeConnection.room(targetRoomId).postHtmlMessage(loadRoot.plainText, loadRoot.htmlText ? loadRoot.htmlText : loadRoot.plainText)
+                    page.closeDialog()
+                })
+            }
+        },
         Kirigami.Action {
             visible: author.id === currentRoom.localUser.id || currentRoom.canSendState("redact")
             text: i18n("Remove")

src/qml/Page/ChooseRoomDialog.qml

@@ -0,0 +1,39 @@
+// SPDX-FileCopyrightText: 2023 Tobias Fella <tobias.fella@kde.org>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+import QtQuick 2.15
+import QtQuick.Controls 2.15
+
+import org.kde.kirigami 2.20 as Kirigami
+
+import org.kde.neochat 1.0
+
+import "./RoomList"
+
+Kirigami.ScrollablePage {
+    id: root
+
+    title: i18nc("@title", "Choose a Room")
+
+    signal chosen(string roomId)
+
+    header: Kirigami.SearchField {
+        onTextChanged: sortModel.filterText = text
+    }
+
+    ListView {
+        model: SortFilterRoomListModel {
+            id: sortModel
+            sourceModel: RoomListModel {
+                connection: Controller.activeConnection
+            }
+        }
+        delegate: RoomDelegate {
+            id: roomDelegate
+            filterText: ""
+            onClicked: {
+                root.chosen(roomDelegate.currentRoom.id)
+            }
+        }
+    }
+}

src/res.qrc

@@ -135,5 +135,6 @@
         <file alias="DirectChatDrawerHeader.qml">qml/RoomDrawer/DirectChatDrawerHeader.qml</file>
         <file alias="GroupChatDrawerHeader.qml">qml/RoomDrawer/GroupChatDrawerHeader.qml</file>
         <file alias="RoomInformation.qml">qml/RoomDrawer/RoomInformation.qml</file>
+        <file alias="ChooseRoomDialog.qml">qml/Page/ChooseRoomDialog.qml</file>
     </qresource>
 </RCC>