From 6da64712048fff812f86a2be4c57078a5f4e3201 Mon Sep 17 00:00:00 2001
From: evgeny <evgeny@adaptto.ru>
Date: Thu, 1 Oct 2026 18:39:31 +0300
Subject: [PATCH] Apply task-scoped media preparation events to the shared Qt
 composer

---
 tools/chatgui/src/messagelist.cpp | 9 +++++++++
 tools/chatgui/src/messagelist.h   | 1 +
 2 files changed, 10 insertions(+)

diff --git a/tools/chatgui/src/messagelist.cpp b/tools/chatgui/src/messagelist.cpp
index d746ab0a..9277a59a 100644
--- a/tools/chatgui/src/messagelist.cpp
+++ b/tools/chatgui/src/messagelist.cpp
@@ -1054,6 +1054,15 @@ void MessageList::requestDmMessages(const QString& channelId) {
     gui_bridge_post_uasync_fn(dm_messages_trampoline, req);
 }
 
+void MessageList::onAttachmentPreparation(const uint8_t* data, int len) {
+    if (!data || len < 18 || len != 18 + data[0] || data[len - 1] > 2) {
+        DEBUG_ERROR(DEBUG_CATEGORY_MEDIA, "Invalid attachment preparation event bytes=%d", len); return;
+    }
+    int length = data[0];
+    m_inputBar->updatePreparation(QString::fromUtf8((const char*)data + 1, length),
+        QByteArray((const char*)data + 1 + length, 16), data[len - 1]);
+}
+
 void MessageList::onDmMessages(const uint8_t* data, int len) {
     if (len < 3) return;
     uint8_t cl = data[0];
diff --git a/tools/chatgui/src/messagelist.h b/tools/chatgui/src/messagelist.h
index 28855f67..883e5d4b 100644
--- a/tools/chatgui/src/messagelist.h
+++ b/tools/chatgui/src/messagelist.h
@@ -29,6 +29,7 @@ public:
     void updateMessageProgress(const QString& chId, int64_t msgId, int blocksDone, int numBlocks);
     void onAttachmentDownloaded(const QString& chId, int64_t msgId);
     void onDmMessages(const uint8_t* data, int len);
+    void onAttachmentPreparation(const uint8_t* data, int len);
     void onRadioTalk(quint64 groupId, quint64 srcNodeId, bool on);   /* индикация говорящего */
 
 signals: