[Feature] Add shortcuts to switch between neighboring pages in the hex editor

[kalteblau]

What feature would you like to see?

Summary:
(1) Add shortcuts to switch between neighboring pages in the Hex editor when the page size has been set.
(2) Provide a "page" option in the "Go to address" dialog to jump to a specific page.

How will this feature be useful to you and others?

Developers who use ImHex to deal with structured data (with a frame header and body at a fixed length) will benefit from this function when switching to neighboring pages (like the previous page).

Now with the "Set page size" function in the Hex editor is convenient to show one frame in one page. Hex editor provides a slider to change displayed pages but the slider cannot move precisely to the most neighboring page. A temporary solution is to jump to a specific address using Ctrl + G with a given relative address (equal to the page/frame size).

My point of view is this feature will make it easier to use ImHex when dealing with the structured data mentioned above.

Request Type

• I can provide a PoC for this feature or am willing to work on it myself and submit a PR

Additional context?

The structure data mentioned above usually has a definition of each byte in one frame. Some bytes may indicate frame counter and other bytes are system conditions or sampled data. This kind of data is commonly seen in some applications like data downlink in aerospace.

The "page" concept in ImHex is a convenient function now and that could be more powerful. For fixed-length structured data (which could contain thousands of frames), is it possible to visualize a specific byte or bytes (in big/little endian) through all pages/frames?