From 82fa8ab292dc6e3a5a891f3b17c53236911374d1 Mon Sep 17 00:00:00 2001
From: Nicolas Werner <nicolas.werner@hotmail.de>
Date: Thu, 29 Apr 2021 19:09:16 +0200
Subject: Highlight navigated to message

---
 src/timeline/TimelineModel.cpp | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'src/timeline/TimelineModel.cpp')

diff --git a/src/timeline/TimelineModel.cpp b/src/timeline/TimelineModel.cpp
index 30ce176e..5a0f9bad 100644
--- a/src/timeline/TimelineModel.cpp
+++ b/src/timeline/TimelineModel.cpp
@@ -265,6 +265,8 @@ TimelineModel::TimelineModel(TimelineViewManager *manager, QString room_id, QObj
         connect(&events, &EventStore::updateFlowEventId, this, [this](std::string event_id) {
                 this->updateFlowEventId(event_id);
         });
+
+        showEventTimer.callOnTimeout(this, &TimelineModel::scrollTimerEvent);
 }
 
 QHash<int, QByteArray>
@@ -1298,6 +1300,42 @@ TimelineModel::cacheMedia(QString eventId)
         cacheMedia(eventId, NULL);
 }
 
+void
+TimelineModel::showEvent(QString eventId)
+{
+        using namespace std::chrono_literals;
+        if (idToIndex(eventId) != -1) {
+                eventIdToShow = eventId;
+                emit scrollTargetChanged();
+                showEventTimer.start(50ms);
+        }
+}
+
+void
+TimelineModel::eventShown()
+{
+        eventIdToShow.clear();
+        emit scrollTargetChanged();
+}
+
+QString
+TimelineModel::scrollTarget() const
+{
+        return eventIdToShow;
+}
+
+void
+TimelineModel::scrollTimerEvent()
+{
+        if (eventIdToShow.isEmpty() || showEventTimerCounter > 3) {
+                showEventTimer.stop();
+                showEventTimerCounter = 0;
+        } else {
+                emit scrollToIndex(idToIndex(eventIdToShow));
+                showEventTimerCounter++;
+        }
+}
+
 QString
 TimelineModel::formatTypingUsers(const std::vector<QString> &users, QColor bg)
 {
-- 
cgit 1.4.1