Enable link handling

resources/qml/MatrixText.qml

+import QtQuick 2.5
+import QtQuick.Controls 2.3
+
+TextEdit {
+	textFormat: TextEdit.RichText
+	readOnly: true
+	wrapMode: Text.Wrap
+	selectByMouse: true
+	color: colors.text
+
+	onLinkActivated: {
+		if (/^https:\/\/matrix.to\/#\/(@.*)$/.test(link)) chat.model.openUserProfile(/^https:\/\/matrix.to\/#\/(@.*)$/.exec(link)[1])
+		if (/^https:\/\/matrix.to\/#\/(![^\/]*)$/.test(link)) timelineManager.setHistoryView(/^https:\/\/matrix.to\/#\/(!.*)$/.exec(link)[1])
+		if (/^https:\/\/matrix.to\/#\/(![^\/]*)\/(\$.*)$/.test(link)) {
+			var match = /^https:\/\/matrix.to\/#\/(![^\/]*)\/(\$.*)$/.exec(link)
+			timelineManager.setHistoryView(match[1])
+			chat.positionViewAtIndex(chat.model.idToIndex(match[2]), ListView.Contain)
+		}
+		else Qt.openUrlExternally(link)
+	}
+	MouseArea
+	{
+		anchors.fill: parent
+		onPressed:  mouse.accepted = false
+		cursorShape: parent.hoveredLink ? Qt.PointingHandCursor : Qt.ArrowCursor
+	}
+
+	ToolTip {
+		visible: parent.hoveredLink
+		text: parent.hoveredLink
+		palette: colors
+	}
+}

resources/qml/delegates/NoticeMessage.qml

-import QtQuick 2.5
+import ".."
 
-TextEdit {
+MatrixText {
 	text: model.formattedBody
-	textFormat: TextEdit.RichText
-	readOnly: true
-	wrapMode: Text.Wrap
 	width: parent ? parent.width : undefined
-	selectByMouse: true
 	font.italic: true
 	color: inactiveColors.text
 }

resources/qml/delegates/Placeholder.qml

-import QtQuick 2.5
-import QtQuick.Controls 2.1
+import ".."
 
-Label {
+MatrixText {
 	text: qsTr("unimplemented event: ") + model.type
-	textFormat: Text.PlainText
-	wrapMode: Text.Wrap
 	width: parent ? parent.width : undefined
 	color: inactiveColors.text
 }

resources/qml/delegates/TextMessage.qml

-import QtQuick 2.5
+import ".."
 
-TextEdit {
+MatrixText {
 	text: model.formattedBody
-	textFormat: TextEdit.RichText
-	readOnly: true
-	wrapMode: Text.Wrap
 	width: parent ? parent.width : undefined
-	selectByMouse: true
-	color: colors.text
 }

resources/res.qrc

@@ -118,6 +118,7 @@
         <file>qml/TimelineView.qml</file>
         <file>qml/Avatar.qml</file>
         <file>qml/ImageButton.qml</file>
+        <file>qml/MatrixText.qml</file>
         <file>qml/StatusIndicator.qml</file>
         <file>qml/EncryptionIndicator.qml</file>
         <file>qml/TimelineRow.qml</file>

src/timeline2/TimelineModel.cpp

@@ -827,6 +827,7 @@ TimelineModel::replyAction(QString id)
           [](const auto &e) -> std::string { return eventMsgType(e); }, event));
         related.quoted_body =
           boost::apply_visitor([](const auto &e) -> QString { return eventBody(e); }, event);
+        related.room = room_id_;
 
         if (related.quoted_body.isEmpty())
                 return;