fix bug: changing video backgrounds don't properly show up in ui

TODO.org

@@ -3,7 +3,7 @@
 :CATEGORY: dev
 :END:
 
-* Tasks [58%] [44/75]
+* Tasks [60%] [45/75]
 ** TODO Mouse needs to have resize shape when hovering controls
 [[file:~/dev/lumina/src/qml/presenter/SongEditor.qml::Controls.SplitView {]]
 ** TODO Add a way to interact with OBS
@@ -13,7 +13,7 @@ The basic implementation is done. In order to make use of it in the odd broken Q
 Once the model of OBS scenes is created, we can select a scene to add it to the service item. Then hopefully activate will take that scene and set it inside obs when switching slides.
 *** TODO OBWS setting scenes
 This has been really tricky since there is something of a bug when using =runtime.block_on()= rather than having a single cohesive tokio runtime. So, perhaps I need to figure out if I can't make a runtime that works for the whole app so that I can manage these a little better.
-** TODO When updating background, it isn't changed in the list
+** DONE When updating background, it isn't changed in the list
 [[file:~/dev/lumina/src/qml/presenter/SongEditor.qml::function updateBackground(backgroundType) {]]
 ** TODO Find segfault in webengine
 [[file:~/dev/lumina/src/qml/presenter/Slide.qml::id: web]]

src/qml/presenter/MainWindow.qml

@@ -71,11 +71,12 @@ Controls.Page {
             anchors.fill: parent
             handle: Item {
                 implicitWidth: Kirigami.Units.gridUnit / 2
+
                 Rectangle {
                     height: parent.height
                     anchors.horizontalCenter: parent.horizontalCenter
                     width: parent.width / 4
-                    color: area.containsMouse ? Kirigami.Theme.hoverColor : "#00000000"
+                    color: Qt.lighter(Kirigami.Theme.backgroundColor)
                 }
 
                 MouseArea {

src/qml/presenter/SongEditorSlideList.qml

@@ -85,6 +85,14 @@ Item {
             function playPauseVideo() {
                 representation.playPauseVideo();
             }
+
+            Connections {
+                target: songEditorModel
+                function onBackgroundChanged() {
+                    console.log("BG CHANGED: Load video or clear it");
+                    representation.loadVideo();
+                }
+            }
         }
 
         Kirigami.WheelHandler {