feat(viewer): handle keyboard shortcuts for print, save, undo, etc.

[balazs-szucs]

Description of Changes

Shortcut	Action
Ctrl+P	Print document
Ctrl+S	Save/apply changes (annotations, redactions)
Ctrl+Z	Undo (annotation history)
Ctrl+Shift+Z	Redo (annotation history)
Ctrl+Y	Redo (annotation history)
Ctrl+0	Reset zoom to fit-width
Ctrl+R	Rotate clockwise
Ctrl+Shift+R	Rotate counter-clockwise
Home	Go to first page
End	Go to last page
PageUp	Previous page
PageDown	Next page
Escape	Close search interface

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Checklist

General

• I have read the Contribution Guidelines
• I have read the Stirling-PDF Developer Guide (if applicable)
• I have read the How to add new languages to Stirling-PDF (if applicable)
• I have performed a self-review of my own code
• My changes generate no new warnings

Documentation

• I have updated relevant docs on Stirling-PDF's doc repo (if functionality has heavily changed)
• I have read the section Add New Translation Tags (for new translation tags only)

Translations (if applicable)

• I ran scripts/counter_translation.py

UI Changes (if applicable)

• Screenshots or videos demonstrating the UI changes are attached (e.g., as comments or direct attachments in the PR)

Testing (if applicable)

• I have tested my changes locally. Refer to the Testing Guide for more details.

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[jbrunton96]

/deploypr

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[ConnorYoh]

Hi @balazs-szucs these are awesome!
I am having some issues with print and rotate. If I have clicked not the pdf before running print I get this

Also it runs reload unless I have clicked the pdf for rotate.

It feels like there is some context logic going on that needs tightening up.

These a great features! Improves the UX loads thanks

[balazs-szucs]

I’m having some issues with printing and rotation. If I haven’t clicked on the PDF before running print, I get this:

Yes, it uses the same shortcuts as the browser, so if the site isn’t in focus, we can’t override the browser shortcut. Hence, the browser prints the website instead of our print command overriding it to print the PDF. I'm not quite certain what we can do about that, tbh. But I'll see what I can do.

[balazs-szucs]

I was thinking about this for a while, realized it was actually my bad. Thanks for the review.

Should be fixed

[balazs-szucs]

/deploypr

[stirlingbot]

🚀 PR Test Deployment

Your PR has been deployed for testing!

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Security Disabled

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