LogView: Show priority

data/icons/icons.indicator.gresource.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <gresources>
   <gresource prefix="/io/elementary/monitor/icons">
+    <file compressed="true" preprocess="xml-stripblanks" alias="scalable/categories/bug-symbolic.svg">bug-symbolic.svg</file>
     <file compressed="true" preprocess="xml-stripblanks" alias="scalable/devices/cpu-symbolic.svg">cpu-symbolic.svg</file>
     <file compressed="true" preprocess="xml-stripblanks" alias="scalable/devices/gpu-symbolic.svg">gpu-symbolic.svg</file>
     <file compressed="true" preprocess="xml-stripblanks" alias="scalable/devices/ram-symbolic.svg">ram-symbolic.svg</file>
@@ -9,6 +10,9 @@
     <file compressed="true" preprocess="xml-stripblanks" alias="scalable/mimetypes/file-deleted-symbolic.svg">file-deleted-symbolic.svg</file>
     <file compressed="true" preprocess="xml-stripblanks" alias="scalable/devices/temperature-sensor-symbolic.svg">temperature-sensor-symbolic.svg</file>
     <file compressed="true" preprocess="xml-stripblanks" alias="scalable/devices/temperature-gpu-symbolic.svg">temperature-gpu-symbolic.svg</file>
+    <file compressed="true" preprocess="xml-stripblanks" alias="scalable/status/process-attention-symbolic.svg">process-attention-symbolic.svg</file>
+    <file compressed="true" preprocess="xml-stripblanks" alias="scalable/status/process-emergency-symbolic.svg">process-critical-symbolic.svg</file>
+    <file compressed="true" preprocess="xml-stripblanks" alias="scalable/status/process-information-symbolic.svg">process-information-symbolic.svg</file>
     <file compressed="true" preprocess="xml-stripblanks" alias="16x16/actions/bash.svg">extra/16/bash.svg</file>
     <file compressed="true" preprocess="xml-stripblanks" alias="48x48/actions/bash.svg">extra/48/bash.svg</file>
     <file compressed="true" preprocess="xml-stripblanks" alias="64x64/actions/bash.svg">extra/64/bash.svg</file>

src/Views/LogView/LogCell.vala

@@ -6,7 +6,8 @@
 public class Monitor.LogCell : Granite.Bin {
     public enum CellType {
         ORIGIN,
-        MESSAGE
+        MESSAGE,
+        PRIORITY
     }
 
     public CellType cell_type { get; construct; }

src/Views/LogView/LogView.vala

@@ -28,8 +28,14 @@ public class Monitor.LogView : Granite.Bin {
         origin_factory.setup.connect (setup_origin);
         origin_factory.bind.connect (bind);
 
+        var priority_factory = new Gtk.SignalListItemFactory ();
+        priority_factory.setup.connect (setup_priority);
+        priority_factory.bind.connect (bind_priority);
+
         var origin_column = new Gtk.ColumnViewColumn (_("Sender"), origin_factory);
 
+        var priority_column = new Gtk.ColumnViewColumn (null, priority_factory);
+
         var message_factory = new Gtk.SignalListItemFactory ();
         message_factory.setup.connect (setup_message);
         message_factory.bind.connect (bind);
@@ -44,6 +50,7 @@ public class Monitor.LogView : Granite.Bin {
             vexpand = true
         };
         column_view.append_column (origin_column);
+        column_view.append_column (priority_column);
         column_view.append_column (message_column);
 
         var scrolled = new Gtk.ScrolledWindow () {
@@ -82,6 +89,18 @@ public class Monitor.LogView : Granite.Bin {
         item.child = new LogCell (MESSAGE);
     }
 
+    private void setup_priority (Object obj) {
+        var item = (Gtk.ListItem) obj;
+        item.child = new PriorityCell ();
+    }
+
+    private void bind_priority (Object obj) {
+        var item = (Gtk.ListItem) obj;
+        var entry = (SystemdLogEntry) item.item;
+        var cell = (PriorityCell) item.child;
+        cell.bind (entry);
+    }
+
     private void bind (Object obj) {
         var item = (Gtk.ListItem) obj;
         var entry = (SystemdLogEntry) item.item;

src/Views/LogView/PriorityCell.vala

@@ -0,0 +1,52 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ * SPDX-FileCopyrightText: 2026 elementary, Inc. (https://elementary.io)
+ */
+
+public class Monitor.PriorityCell : Granite.Bin {
+    private Gtk.Image image;
+
+    construct {
+        image = new Gtk.Image ();
+
+        child = image;
+    }
+
+    public void bind (SystemdLogEntry entry) {
+        switch (entry.priority) {
+            case INFO:
+                image.icon_name = "process-information-symbolic";
+                image.tooltip_text = _("Information");
+                image.css_classes = {"accent", "blue"};
+                break;
+            case DEBUG:
+                image.icon_name = "bug-symbolic";
+                image.tooltip_text = _("Debug");
+                image.css_classes = {"accent", "purple"};
+                break;
+            case NOTICE:
+                image.icon_name = "process-attention-symbolic";
+                image.tooltip_text = _("Message");
+                image.css_classes = {"accent", "purple"};
+                break;
+            case ALERT:
+                image.icon_name = "process-attention-symbolic";
+                image.tooltip_text = _("Alert");
+                image.css_classes = {"accent", "yellow"};
+                break;
+            case WARNING:
+                image.icon_name = "dialog-warning-symbolic";
+                image.tooltip_text = _("Warning");
+                break;
+            case ERR:
+                image.icon_name = "process-error-symbolic";
+                image.tooltip_text = _("Error");
+                break;
+            case CRIT:
+            case EMERG:
+                image.icon_name = "process-critical-symbolic";
+                image.tooltip_text = _("Critical");
+                break;
+        }
+    }
+}

src/Views/LogView/SystemdLogEntry.vala

@@ -7,17 +7,24 @@
     public string origin { get; construct; }
     public string message { get; construct; }
     public DateTime dt { get; construct; }
-    public string relative_time { get; construct; }
+    public Systemd.Journal.Priority priority { get; construct; }
 
+    public string relative_time { get; private set; }
     public uint section_start { get; set; }
 
-    public SystemdLogEntry (string origin, string message, DateTime time) {
+    public SystemdLogEntry (string origin, string message, DateTime time, Systemd.Journal.Priority priority) {
         Object (
-            origin: origin, message: message, dt: time,
-            relative_time: format_time (time)
+            origin: origin,
+            message: message,
+            dt: time,
+            priority: priority
         );
     }
 
+    construct {
+        relative_time = format_time (dt);
+    }
+
     public bool matches (string term) {
         return origin.contains (term) || message.contains (term);
     }

src/Views/LogView/SystemdLogModel.vala

@@ -135,6 +135,8 @@ public class Monitor.SystemdLogModel : GLib.Object, GLib.ListModel, Gtk.SectionM
 
         unowned uint8[] data;
         unowned uint8[] comm_data;
+        unowned uint8[] priority_data;
+
         res = journal.get_data ("MESSAGE", out data);
         if (res != 0) {
             critical ("Failed to get message: %s", strerror (-res));
@@ -146,8 +148,11 @@ public class Monitor.SystemdLogModel : GLib.Object, GLib.ListModel, Gtk.SectionM
             comm_data = "_COMM=kernel".data;
         }
 
+        res = journal.get_data ("PRIORITY", out priority_data);
+
         var origin = ((string) comm_data).offset ("_COMM=".length);
         var message = ((string) data).offset ("MESSAGE=".length);
+        var priority = ((string) priority_data).offset ("PRIORITY=".length);
 
         uint64 time;
         res = journal.get_realtime_usec (out time);
@@ -158,7 +163,7 @@ public class Monitor.SystemdLogModel : GLib.Object, GLib.ListModel, Gtk.SectionM
 
         var dt = new DateTime.from_unix_utc ((int64) (time / TimeSpan.SECOND));
 
-        var entry = new SystemdLogEntry (origin, message, dt);
+        var entry = new SystemdLogEntry (origin, message, dt, (Systemd.Journal.Priority) priority.to_int ());
 
         // Filter if we're searching. We drop them and don't add them and use a filter model
         // because when searching for e.g. a non existent term this would fill up memory *quick*

src/meson.build

@@ -21,6 +21,7 @@ source_app_files = [
     'Views/SystemView/SystemGPUView.vala',
 
     'Views/LogView/LogCell.vala',
+    'Views/LogView/PriorityCell.vala',
     'Views/LogView/LogView.vala',
     'Views/LogView/SystemdLogEntry.vala',
     'Views/LogView/SystemdLogModel.vala',