OK, screen ruler

src/modules/LightSwitch/LightSwitchModuleInterface/dllmain.cpp

@@ -8,6 +8,8 @@
 #include <codecvt>
 #include <common/utils/logger_helper.h>
 #include "ThemeHelper.h"
+#include <thread>
+#include <atomic>
 
 extern "C" IMAGE_DOS_HEADER __ImageBase;
 
@@ -98,12 +100,18 @@ private:
     HANDLE m_force_light_event_handle;
     HANDLE m_force_dark_event_handle;
     HANDLE m_manual_override_event_handle;
+    HANDLE m_toggle_event_handle{ nullptr };
+    std::thread m_toggle_thread;
+    std::atomic<bool> m_toggle_thread_running{ false };
 
     static const constexpr int NUM_DEFAULT_HOTKEYS = 4;
 
     Hotkey m_toggle_theme_hotkey = { .win = true, .ctrl = true, .shift = true, .alt = false, .key = 'D' };
 
     void init_settings();
+    void ToggleTheme();
+    void StartToggleListener();
+    void StopToggleListener();
 
 public:
     LightSwitchInterface()
@@ -113,6 +121,7 @@ public:
         m_force_light_event_handle = CreateDefaultEvent(L"POWERTOYS_LIGHTSWITCH_FORCE_LIGHT");
         m_force_dark_event_handle = CreateDefaultEvent(L"POWERTOYS_LIGHTSWITCH_FORCE_DARK");
         m_manual_override_event_handle = CreateEventW(nullptr, TRUE, FALSE, L"POWERTOYS_LIGHTSWITCH_MANUAL_OVERRIDE");
+        m_toggle_event_handle = CreateDefaultEvent(L"Local\\PowerToys-LightSwitch-ToggleEvent-d8dc2f29-8c94-4ca1-8c5f-3e2b1e3c4f5a");
 
         init_settings();
     };
@@ -437,6 +446,8 @@ public:
         Logger::info(L"Light Switch process launched successfully (PID: {}).", pi.dwProcessId);
         m_process = pi.hProcess;
         CloseHandle(pi.hThread);
+
+        StartToggleListener();
     }
 
     // Disable the powertoy
@@ -462,6 +473,8 @@ public:
             CloseHandle(m_process);
             m_process = nullptr;
         }
+
+        StopToggleListener();
     }
 
     // Returns if the powertoys is enabled
@@ -523,8 +536,23 @@ public:
             }
             else if (hotkeyId == 0)
             {
-                // get current will return true if in light mode; otherwise false
                 Logger::info(L"[Light Switch] Hotkey triggered: Toggle Theme");
+                ToggleTheme();
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+
+    bool is_process_running()
+    {
+        return WaitForSingleObject(m_process, 0) == WAIT_TIMEOUT;
+    }
+
+    void ToggleTheme()
+    {
         if (g_settings.m_changeSystem)
         {
             SetSystemTheme(!GetCurrentSystemTheme());
@@ -550,15 +578,48 @@ public:
         }
     }
 
-            return true;
+    void StartToggleListener()
-        }
-
-        return false;
-    }
-
-    bool is_process_running()
     {
-        return WaitForSingleObject(m_process, 0) == WAIT_TIMEOUT;
+        if (m_toggle_thread_running || !m_toggle_event_handle)
+        {
+            return;
+        }
+
+        m_toggle_thread_running = true;
+        m_toggle_thread = std::thread([this]() {
+            while (m_toggle_thread_running)
+            {
+                const DWORD wait_result = WaitForSingleObject(m_toggle_event_handle, 500);
+                if (!m_toggle_thread_running)
+                {
+                    break;
+                }
+
+                if (wait_result == WAIT_OBJECT_0)
+                {
+                    ToggleTheme();
+                    ResetEvent(m_toggle_event_handle);
+                }
+            }
+        });
+    }
+
+    void StopToggleListener()
+    {
+        if (!m_toggle_thread_running)
+        {
+            return;
+        }
+
+        m_toggle_thread_running = false;
+        if (m_toggle_event_handle)
+        {
+            SetEvent(m_toggle_event_handle);
+        }
+        if (m_toggle_thread.joinable())
+        {
+            m_toggle_thread.join();
+        }
     }
 };
 

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.PowerToys/Commands/LightSwitch/ToggleLightSwitchCommand.cs

@@ -0,0 +1,35 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Threading;
+using Microsoft.CommandPalette.Extensions.Toolkit;
+using PowerToysExtension.Helpers;
+
+namespace PowerToysExtension.Commands;
+
+/// <summary>
+/// Toggles Light Switch via the shared event.
+/// </summary>
+internal sealed partial class ToggleLightSwitchCommand : InvokableCommand
+{
+    public ToggleLightSwitchCommand()
+    {
+        Name = "Toggle Light Switch";
+    }
+
+    public override CommandResult Invoke()
+    {
+        try
+        {
+            using var evt = new EventWaitHandle(false, EventResetMode.AutoReset, PowerToysEventNames.LightSwitchToggle);
+            evt.Set();
+            return CommandResult.Dismiss();
+        }
+        catch (Exception ex)
+        {
+            return CommandResult.ShowToast($"Failed to toggle Light Switch: {ex.Message}");
+        }
+    }
+}

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.PowerToys/Commands/ScreenRuler/ToggleScreenRulerCommand.cs

@@ -0,0 +1,32 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Threading;
+using Microsoft.CommandPalette.Extensions.Toolkit;
+using PowerToysExtension.Helpers;
+
+namespace PowerToysExtension.Commands;
+
+internal sealed partial class ToggleScreenRulerCommand : InvokableCommand
+{
+    public ToggleScreenRulerCommand()
+    {
+        Name = "Toggle Screen Ruler";
+    }
+
+    public override CommandResult Invoke()
+    {
+        try
+        {
+            using var evt = new EventWaitHandle(false, EventResetMode.AutoReset, PowerToysEventNames.MeasureToolTrigger);
+            evt.Set();
+            return CommandResult.Dismiss();
+        }
+        catch (Exception ex)
+        {
+            return CommandResult.ShowToast($"Failed to toggle Screen Ruler: {ex.Message}");
+        }
+    }
+}

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.PowerToys/Helpers/ModuleCommandCatalog.cs

@@ -22,8 +22,10 @@ internal static class ModuleCommandCatalog
         new AwakeModuleCommandProvider(),
         new AdvancedPasteModuleCommandProvider(),
         new WorkspacesModuleCommandProvider(),
+        new LightSwitchModuleCommandProvider(),
+        new PowerToysRunModuleCommandProvider(),
+        new ScreenRulerModuleCommandProvider(),
         new ColorPickerModuleCommandProvider(),
-        new DefaultSettingsModuleCommandProvider(),
     ];
 
     public static IListItem[] FilteredItems(string query)

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.PowerToys/Helpers/PowerToysEventNames.cs

@@ -25,6 +25,7 @@ internal static class PowerToysEventNames
     internal const string PowerToysRunInvoke = "Local\\PowerToysRunInvokeEvent-30f26ad7-d36d-4c0e-ab02-68bb5ff3c4ab";
     internal const string RegistryPreviewTrigger = "Local\\RegistryPreviewEvent-4C559468-F75A-4E7F-BC4F-9C9688316687";
     internal const string ShortcutGuideTrigger = "Local\\ShortcutGuide-TriggerEvent-d4275ad3-2531-4d19-9252-c0becbd9b496";
+    internal const string LightSwitchToggle = "Local\\PowerToys-LightSwitch-ToggleEvent-d8dc2f29-8c94-4ca1-8c5f-3e2b1e3c4f5a";
     internal const string WorkspacesLaunchEditor = "Local\\Workspaces-LaunchEditorEvent-a55ff427-cf62-4994-a2cd-9f72139296bf";
     internal const string WorkspacesHotkey = "Local\\PowerToys-Workspaces-HotkeyEvent-2625C3C8-BAC9-4DB3-BCD6-3B4391A26FD0";
     internal const string CropAndLockThumbnail = "Local\\PowerToysCropAndLockThumbnailEvent-1637be50-da72-46b2-9220-b32b206b2434";

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.PowerToys/Helpers/PowerToysResourcesHelper.cs

@@ -38,6 +38,7 @@ internal static class PowerToysResourcesHelper
             SettingsWindow.FileLocksmith => "Assets\\FileLocksmith.png",
             SettingsWindow.NewPlus => "Assets\\NewPlus.png",
             SettingsWindow.Peek => "Assets\\Peek.png",
+            SettingsWindow.LightSwitch => "Assets\\LightSwitch.png",
             SettingsWindow.AlwaysOnTop => "Assets\\AlwaysOnTop.png",
             SettingsWindow.CmdNotFound => "Assets\\CommandNotFound.png",
             SettingsWindow.MouseWithoutBorders => "Assets\\MouseWithoutBorders.png",
@@ -79,6 +80,7 @@ internal static class PowerToysResourcesHelper
             SettingsWindow.FileLocksmith => "File Locksmith",
             SettingsWindow.NewPlus => "New+",
             SettingsWindow.Peek => "Peek",
+            SettingsWindow.LightSwitch => "Light Switch",
             SettingsWindow.AlwaysOnTop => "Always On Top",
             SettingsWindow.CmdNotFound => "Command Not Found",
             SettingsWindow.MouseWithoutBorders => "Mouse Without Borders",

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.PowerToys/Modules/DefaultSettingsModuleCommandProvider.cs

@@ -1,46 +0,0 @@
-// Copyright (c) Microsoft Corporation
-// The Microsoft Corporation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using Common.UI;
-using Microsoft.CommandPalette.Extensions.Toolkit;
-using PowerToysExtension.Commands;
-using PowerToysExtension.Helpers;
-
-namespace PowerToysExtension.Modules;
-
-/// <summary>
-/// Provides open-settings commands for modules without specialized commands.
-/// </summary>
-internal sealed class DefaultSettingsModuleCommandProvider : ModuleCommandProvider
-{
-    private static readonly SettingsDeepLink.SettingsWindow[] _excluded =
-    [
-        SettingsDeepLink.SettingsWindow.Dashboard,
-        SettingsDeepLink.SettingsWindow.Workspaces,
-        SettingsDeepLink.SettingsWindow.Awake,
-        SettingsDeepLink.SettingsWindow.ColorPicker,
-    ];
-
-    public override IEnumerable<ListItem> BuildCommands()
-    {
-        foreach (var module in Enum.GetValues<SettingsDeepLink.SettingsWindow>())
-        {
-            if (_excluded.Contains(module))
-            {
-                continue;
-            }
-
-            var title = module.ModuleDisplayName();
-            yield return new ListItem(new OpenInSettingsCommand(module, title))
-            {
-                Title = title,
-                Subtitle = "Open module settings",
-                Icon = module.ModuleIcon(),
-            };
-        }
-    }
-}

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.PowerToys/Modules/LightSwitchModuleCommandProvider.cs

@@ -0,0 +1,38 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Collections.Generic;
+using Microsoft.CommandPalette.Extensions.Toolkit;
+using PowerToysExtension.Commands;
+using PowerToysExtension.Helpers;
+using static Common.UI.SettingsDeepLink;
+
+namespace PowerToysExtension.Modules;
+
+internal sealed class LightSwitchModuleCommandProvider : ModuleCommandProvider
+{
+    public override IEnumerable<ListItem> BuildCommands()
+    {
+        var title = SettingsWindow.LightSwitch.ModuleDisplayName();
+        var icon = SettingsWindow.LightSwitch.ModuleIcon();
+
+        var items = new List<ListItem>
+        {
+            new ListItem(new ToggleLightSwitchCommand())
+            {
+                Title = "Toggle Light Switch",
+                Subtitle = "Toggle system/apps theme immediately",
+                Icon = icon,
+            },
+            new ListItem(new OpenInSettingsCommand(SettingsWindow.LightSwitch, title))
+            {
+                Title = title,
+                Subtitle = "Open Light Switch settings",
+                Icon = icon,
+            },
+        };
+
+        return items;
+    }
+}

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.PowerToys/Modules/PowerToysRunModuleCommandProvider.cs

@@ -0,0 +1,27 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Collections.Generic;
+using Microsoft.CommandPalette.Extensions.Toolkit;
+using PowerToysExtension.Commands;
+using PowerToysExtension.Helpers;
+using static Common.UI.SettingsDeepLink;
+
+namespace PowerToysExtension.Modules;
+
+internal sealed class PowerToysRunModuleCommandProvider : ModuleCommandProvider
+{
+    public override IEnumerable<ListItem> BuildCommands()
+    {
+        var title = SettingsWindow.PowerLauncher.ModuleDisplayName();
+        var icon = SettingsWindow.PowerLauncher.ModuleIcon();
+
+        yield return new ListItem(new OpenInSettingsCommand(SettingsWindow.PowerLauncher, title))
+        {
+            Title = title,
+            Subtitle = "Open PowerToys Run settings",
+            Icon = icon,
+        };
+    }
+}

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.PowerToys/Modules/ScreenRulerModuleCommandProvider.cs

@@ -0,0 +1,34 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Collections.Generic;
+using Microsoft.CommandPalette.Extensions.Toolkit;
+using PowerToysExtension.Commands;
+using PowerToysExtension.Helpers;
+using static Common.UI.SettingsDeepLink;
+
+namespace PowerToysExtension.Modules;
+
+internal sealed class ScreenRulerModuleCommandProvider : ModuleCommandProvider
+{
+    public override IEnumerable<ListItem> BuildCommands()
+    {
+        var title = SettingsWindow.MeasureTool.ModuleDisplayName();
+        var icon = SettingsWindow.MeasureTool.ModuleIcon();
+
+        yield return new ListItem(new ToggleScreenRulerCommand())
+        {
+            Title = "Toggle Screen Ruler",
+            Subtitle = "Start or close Screen Ruler",
+            Icon = icon,
+        };
+
+        yield return new ListItem(new OpenInSettingsCommand(SettingsWindow.MeasureTool, title))
+        {
+            Title = title,
+            Subtitle = "Open Screen Ruler settings",
+            Icon = icon,
+        };
+    }
+}