KeepAlive

A Windows application that prevents the system from sleeping. It runs in the system tray and allows you to set a timer for how long you want to prevent sleep mode.

Screenshot

Features

• System tray icon with context menu
• Multiple duration options (30 minutes, 1 hour, 2 hours, 4 hours, 8 hours)
• Shows remaining time in the tray icon tooltip
• Prevents system sleep while active
• Single instance check
• Automatic sleep prevention when any application is in fullscreen mode

Building

Prerequisites

• CMake (version 3.10 or higher)
• Visual Studio with C/C++ development tools
• Windows SDK

Build Steps

1. Create a build directory:

mkdir build
cd build

2. Configure the project:

cmake ..

3. Build the project:

cmake --build .

The executable will be created in the build directory.

Usage

1. Run the application:

./KeepAlive

2. The application will appear in the system tray. Right-click the icon to:

   • View current status
   • Start/Stop the timer
   • Select duration
   • Exit the application

3. The tray icon tooltip will show the remaining time when active.

License

This project is licensed under the MIT License - see the LICENSE file for details.