From 16a7fb7e8cfb9a682e411891c0cb81e0aa0a1b15 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Fri, 6 Mar 2026 19:30:48 +0100
Subject: niri: screenshare indicators

---
 accounts/gkleen@sif/niri.nix                           | 18 ++++++++++++++++++
 accounts/gkleen@sif/shell/quickshell/Bar.qml           |  8 +++++++-
 .../shell/quickshell/Services/NiriService.qml          | 10 ++++++++++
 3 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/accounts/gkleen@sif/niri.nix b/accounts/gkleen@sif/niri.nix
index b701b4c2..80abfc1a 100644
--- a/accounts/gkleen@sif/niri.nix
+++ b/accounts/gkleen@sif/niri.nix
@@ -711,6 +711,24 @@ in {
             (sleaf "match" { app-id = "^org\\.gnome\\.Papers$"; })
             (sleaf "default-column-display" "tabbed")
           ])
+          (plain "window-rule" [
+            (sleaf "match" { is-window-cast-target = true; })
+            (plain "border" [
+              (sleaf "width" 2)
+              (sleaf "active-gradient" {
+                from = "hsla(20 100% 45% 1)";
+                to = "hsla(340 100% 37.5% 1)";
+                angle = 29;
+                relative-to = "workspace-view";
+              })
+              (sleaf "inactive-gradient" {
+                from = "hsla(20 50% 27.7% 1)";
+                to = "hsla(340 50% 23% 1)";
+                angle = 29;
+                relative-to = "workspace-view";
+              })
+            ])
+          ])
 
           (plain "layer-rule" [
             (sleaf "match" { namespace = "^notifications$"; })
diff --git a/accounts/gkleen@sif/shell/quickshell/Bar.qml b/accounts/gkleen@sif/shell/quickshell/Bar.qml
index 54ac2d3c..e8bd6245 100644
--- a/accounts/gkleen@sif/shell/quickshell/Bar.qml
+++ b/accounts/gkleen@sif/shell/quickshell/Bar.qml
@@ -32,8 +32,14 @@ PanelWindow {
   implicitHeight: 21
   color: "transparent"
 
+  property bool haveScreenshare: Array.from(NiriService.casts).some(cast => cast.target.Output?.name == bar.screen.name)
+
   Rectangle {
-    color: bar.haveMaximizedWindow ? "black" : Qt.rgba(0, 0, 0, 0.75)
+    color: {
+      if (bar.haveScreenshare)
+        return bar.haveMaximizedWindow ? Qt.rgba(0.2, 0, 0, 1) : Qt.rgba(0.2, 0, 0, 0.75);
+      return bar.haveMaximizedWindow ? "black" : Qt.rgba(0, 0, 0, 0.75);
+    }
     anchors.fill: parent
     // bottomLeftRadius: 8
     // bottomRightRadius: 8
diff --git a/accounts/gkleen@sif/shell/quickshell/Services/NiriService.qml b/accounts/gkleen@sif/shell/quickshell/Services/NiriService.qml
index 6dbff134..cd4ed125 100644
--- a/accounts/gkleen@sif/shell/quickshell/Services/NiriService.qml
+++ b/accounts/gkleen@sif/shell/quickshell/Services/NiriService.qml
@@ -74,6 +74,10 @@ Singleton {
 	    eventWindowFocusTimestampChanged(event.WindowFocusTimestampChanged);
 	  else if (event.CastsChanged)
 	    root.casts = event.CastsChanged.casts
+	  else if (event.CastStartedOrChanged)
+	    eventCastStartedOrChanged(event.CastStartedOrChanged);
+	  else if (event.CastStopped)
+	    eventCastStopped(event.CastStopped);
 	  else if (event.Ok && !eventStreamSocket.acked) { eventStreamSocket.acked = true; }
 	  else if (event.OverviewOpenedOrClosed) {}
 	  else if (event.ConfigLoaded) {}
@@ -203,4 +207,10 @@ Singleton {
       return win;
     });
   }
+  function eventCastStartedOrChanged(data) {
+    root.casts = [...Array.from(root.casts).filter(cast => cast.stream_id !== data.cast.stream_id), data.cast];
+  }
+  function eventCastStopped(data) {
+    root.casts = Array.from(root.casts).filter(cast => cast.stream_id !== data.stream_id);
+  }
 }
-- 
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