PowerToys/doc/devdocs/modules/shortcut_guide.md

Shortcut Guide

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Overview

Shortcut Guide is a PowerToy that displays an overlay of available keyboard shortcuts when a user-set keyboard shortcut is pressed. It helps users discover and remember keyboard shortcuts for Windows and apps.

Note

The spec for the manifest files is in development and will be linked here once available.

Usage

• Press the user-defined hotkey to display the full overlay.
• Optionally, hold either Windows key to show taskbar indicators or the full overlay after a configurable delay.
• Press the hotkey again or press ESC to dismiss the overlay. A full overlay opened by holding the Windows key can either close on key release or remain open, depending on the setting.

The Hold Windows key setting is independent of the activation shortcut:

• Off leaves the Windows key behavior unchanged.

• Show taskbar indicators is the default and always hides the indicators when the Windows key is released.

• Open Shortcut Guide can close on Windows-key release or remain open.

• Use the title-bar search box to filter shortcuts on the selected application page

• Press Ctrl+F to focus search. Escape clears an active search before dismissing the overlay

The hold duration accepts values from 100 through 5,000 milliseconds and defaults to 900 milliseconds.

Build and Debug Instructions

Build

1. Open PowerToys.slnx in Visual Studio
2. Select Release or Debug in the Solutions Configuration drop-down menu
3. From the Build menu, choose Build Solution
4. The executable is named PowerToys.ShortcutGuide.exe

Debug

1. Right-click the ShortcutGuide.Ui project and select 'Set as Startup Project'
2. Right-click the project again and select 'Debug'

Note

When run in debug mode, the window behaves differently than in release mode. It will not automatically close when loosing focus, it will be displayed on top of all other windows, and it is not hidden from the taskbar.

Project Structure

The Shortcut Guide module consists of the following 4 projects:

ShortcutGuide.Ui

This is the main UI project for the Shortcut Guide module. Upon startup it does the following tasks:

1. Copies the built-in manifest files to the users manifest directory (overwriting existing files).
2. Generate the index.yml manifest file.
3. Populate the PowerToys shortcut manifest with the user-defined shortcuts.
4. Starts the UI.

Related files in PowerToys.Interop

excluded_app.cpp

This file contains one function with the following signature:

__declspec(dllexport) bool IsCurrentWindowExcludedFromShortcutGuide()

This function checks if the current window is excluded from the Shortcut Guide overlay. It returns true if the current window is excluded otherwise it returns false.

tasklist_positions.cpp

This file contains helper functions to retrieve the positions of the taskbar buttons. It exports the following function:

__declspec(dllexport) TasklistButton* get_buttons(HMONITOR monitor, int* size)

This function retrieves the positions of the taskbar buttons for a given monitor. It returns an array of TasklistButton structures (max 10), which contain the position and size of each button.

monitor must be the monitor handle of the monitor containing the taskbar instance of which the buttons should be retrieved.

size will contain the resulting array size.

It determines the positions through Windows FindWindowEx function. For the primary taskbar it searches for:

• A window called "Shell_TrayWnd"
• that contains a window called "ReBarWindow32"
• that contains a window called "MSTaskSwWClass"
• that contains a window called "MSTaskListWClass"

For any secondary taskbar it searches for:

• A window called "Shell_SecondaryTrayWnd"
• that contains a window called "WorkerW"
• that contains a window called "MSTaskListWClass"

It then enumerates all the button elements inside "MSTaskListWClass" while skipping such with a same name (which implies the user does not use combining taskbar buttons)

If this method fails, which it will for newer versions of Windows, it falls back to searching for:

• A window called "Shell_TrayWnd" or "Shell_SecondaryTrayWnd"
• that contains a window called "Windows.UI.Composition.DesktopWindowContentBridge"
• that contains a window called "Windows.UI.Input.InputSite.WindowClass"
• the first child element

It then enumerates all the button elements inside the selected while skipping such with a same name (which implies the user does not use combining taskbar buttons) and such that do not start with "Appid:" (which are not actual taskbar buttons related to apps, but others like the widgets or the search button).

ShortcutGuide.IndexYmlGenerator

This application generates the index.yml manifest file.

It is a separate project so that its code can be easier ported to WinGet in the future.

ShortcutGuideModuleInterface

The module interface that handles opening and closing the user interface.

Features and Limitations

• Currently the displayed shortcuts (Except the ones from PowerToys) are not localized.
• It's currently rated as a P3 (lower priority) module

Future Development

• Implementing with WinGet to get new shortcut manifest files
• Adding localization support for the built-in manifest files