From b543ea6231a1817820e3e563cbf7bfd9e8622760 Mon Sep 17 00:00:00 2001
From: Palana <palana@stunned.de>
Date: Sat, 27 Jun 2015 03:39:39 +0200
Subject: [PATCH] UI: Make scene items serializable via QDataStream

This minimal implementation should be enough to drag&drop scenes between UI
elements in the same process in the future
---
 obs/qt-wrappers.cpp       | 26 ++++++++++++++++++++++++++
 obs/qt-wrappers.hpp       |  2 ++
 obs/window-basic-main.cpp |  1 +
 3 files changed, 29 insertions(+)

diff --git a/obs/qt-wrappers.cpp b/obs/qt-wrappers.cpp
index 3965fa2a4..1643c26c4 100644
--- a/obs/qt-wrappers.cpp
+++ b/obs/qt-wrappers.cpp
@@ -95,3 +95,29 @@ QDataStream &operator>>(QDataStream &in, OBSScene &scene)
 
 	return in;
 }
+
+QDataStream &operator<<(QDataStream &out, const OBSSceneItem &si)
+{
+	obs_scene_t  *scene  = obs_sceneitem_get_scene(si);
+	obs_source_t *source = obs_sceneitem_get_source(si);
+	return out << QString(obs_source_get_name(obs_scene_get_source(scene)))
+		   << QString(obs_source_get_name(source));
+}
+
+QDataStream &operator>>(QDataStream &in, OBSSceneItem &si)
+{
+	QString sceneName;
+	QString sourceName;
+
+	in >> sceneName >> sourceName;
+
+	obs_source_t *sceneSource =
+		obs_get_source_by_name(QT_TO_UTF8(sceneName));
+
+	obs_scene_t *scene = obs_scene_from_source(sceneSource);
+	si = obs_scene_find_source(scene, QT_TO_UTF8(sourceName));
+
+	obs_source_release(sceneSource);
+
+	return in;
+}
diff --git a/obs/qt-wrappers.hpp b/obs/qt-wrappers.hpp
index 22e4dfbd0..e661cd03e 100644
--- a/obs/qt-wrappers.hpp
+++ b/obs/qt-wrappers.hpp
@@ -35,3 +35,5 @@ uint32_t TranslateQtKeyboardEventModifiers(Qt::KeyboardModifiers mods);
 
 QDataStream &operator<<(QDataStream &out, const OBSScene &scene);
 QDataStream &operator>>(QDataStream &in, OBSScene &scene);
+QDataStream &operator<<(QDataStream &out, const OBSSceneItem &si);
+QDataStream &operator>>(QDataStream &in, OBSSceneItem &si);
diff --git a/obs/window-basic-main.cpp b/obs/window-basic-main.cpp
index 9761b624e..6528eff4a 100644
--- a/obs/window-basic-main.cpp
+++ b/obs/window-basic-main.cpp
@@ -134,6 +134,7 @@ OBSBasic::OBSBasic(QWidget *parent)
 	qRegisterMetaType<obs_hotkey_id>("obs_hotkey_id");
 
 	qRegisterMetaTypeStreamOperators<OBSScene>("OBSScene");
+	qRegisterMetaTypeStreamOperators<OBSSceneItem>("OBSSceneItem");
 
 	ui->scenes->setAttribute(Qt::WA_MacShowFocusRect, false);
 	ui->sources->setAttribute(Qt::WA_MacShowFocusRect, false);