How to Run Two Functions in Succession with xmonad.hs Keymap

Learn how to successfully run two functions in succession with xmonad's keymap setup using simple steps and explanations.
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The Problem: Keymap Configuration in xmonad

When configuring your xmonad, it's common to encounter issues where the expected functionality just doesn't seem to work as intended. A user faced this problem while trying to set up the keymap for their window manager. Here was the desired outcome:

Action: Move a window and then resize it using a single key combination (in this case, M-<Up>).

Code Attempt:

[[See Video to Reveal this Text or Code Snippet]]

Upon pressing the combination M-<Up>, the user found that the window moved but did not resize as expected.

Understanding the Solution: How it Works

After investigating the issue, it turns out that the observed behavior wasn't due to a failure in executing the commands sequentially. Instead, the resize operation might not have been visually noticeable because the new size set was simply too small. Let's break down the solution:

Key Points:

Function Execution: The use of withFocused is correct; it allows you to run multiple functions in sequence.

Resize Success: The resizing process was successful even if the changes were not visibly evident on the window—this can happen if the new size is very small.

Confirming Functionality:

To confirm that the resizing action is indeed working, you might want to try adjusting the resize parameters to ensure they're noticeable. For example:

Increase Resize Dimensions: Instead of (5, 5), try something larger like (50, 50) to see if the resizing effect becomes more apparent.

Conclusion: A Simple Oversight

In summary, using multiple commands in succession with xmonad's keymap can be straightforward if you understand how the functions work together. The original code setup was correct, and the functions were executing in succession as intended. Adjusting the parameters used in resizing can help make the action evident.

For those new to xmonad, don't be discouraged if things don’t work right away! As you gain familiarity with your configuration, many of these issues will become easier to troubleshoot. Happy window managing!