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Hi all

As I was reading 2 pdf files at the same time using Okular, I went like :
"How is it I have to open 2 different windows to get 2 documents? That's a waste of space! Two toolbars (the one with icons, on the left with the miniatures) so far from one another! (one is on the very far left of my screen, the other one in the middle of it)"
And I went searching through options and couldn't find something similar to "split" or "divide". So here is the idea :

Make it possible to open many files with okular at once, using the same dispositions as a tiling WM would but inside a window this time :
[list=][*]1 item = normal view (the one we currently have)
[*]2 items = horizontaly or verticaly split window (with only one left toolbar) or tabs
[*]3 items = horizontal or vertical or spiral splitting or tabs
[*]& so on...[/list]

That's it
And for the time being, I'll just stick with these two windows

That's definitely something I'm looking for for a while now… and I was not able to find any PDF reader with such a feature.

We could even think about something like synchronized scrolling between the two documents, a bit like meld for text documents.

Because Okular is a document reader, not a document session manager.
One of the worst things what happened to web browsers was that we got tabs and now some browsers doesn't allow to use single window mode anymore (I am looking you Google Chrome!)

The tabs were GREAT at the early times on computers what had small screens with low resolution and most were using Windows.
But today we have larger displays with higher resolution (1366x768 being the most common, what is actually low/medium resolution).
Even today Konquer split view is not so usable as it was long time ago as filemanager. Linked views just doesn't really cut it.

But still most are using Windows whats window manager simply isn't evolved since Windows 3.
We have one of the best (if not The best) window managers KWin what allows us to easily control windows, what means we can easily manipulate the content visible to us.

Tabbed interfaces, multi-view interfaces are mostly waste of time, space in newer displays.
But I can understand that there is need for to have multiple PDF files view linked to each other.
Like when teacher is checking students test results, it can help a lot when the correct [results] are on one side and then 1-2 students documents [answers] are open same time and scrolling the results would scroll the answers as well and allow teacher to highlight and mark students files and then just export them after done and open next files.

But for data/resource collecting I prefer multi-window mode (no one is suggesting it would be removed). As it gives best possibilities to get view to fit to content.

Example Full Size Screenshot: http://i.imgur.com/CEM0YEP.jpg


But in how many situations we really would need to have possibility open multiple files inside single reader and have their view linked?
Is there really a need to browse two different parts from two documents while their content is different?
I can't find other situations than the ones what I gave as example.

Multi-content windows don't work well with virtual desktops or multi-monitor setups. And they doesn't seem to give benefits to those who use different documents as different documents can benefit from different view style.

At least, having a split view of a single document is already useful. I read a lot of papers, and sometimes the text refers to a figure from another
page, or I need to compare data tables, check two versions of an image, etc. It's a lot more useful to do something like in Dolphin: pressing F3 (by default)
opens a split view. Different keys could do vertical and horizontal splitting. The current capability of having tabs doesn't cut it. Some other times it's useful
to compare data, images and method descriptions from different papers.
Linked scrolling would be useful for the comparson of different versions of the same document, for instance.

Phyks wrote:That's definitely something I'm looking for for a while now… and I was not able to find any PDF reader with such a feature.

We could even think about something like synchronized scrolling between the two documents, a bit like meld for text documents.

I'm also looking for a PDF reader which can open two file at same time and have PDF splitting and merging feature.
Anyone can give suggestions?

What you’re probably looking for is something like:

Displaying a diff:
http://www.qtrac.eu/diffpdf.html

Modifying and editing:
http://kde-apps.org/content/show.php?content=33194
https://wiki.gnome.org/Apps/PdfMod
https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/

I agree that having a native KDE PDF diff and editing tools would be great, but I disagree that Okular should be doing that.