Bug 139875 - Page preview, need toggle button for system colours <> real colours
Summary: Page preview, need toggle button for system colours <> real colours
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: UI (show other bugs)
(earliest affected)
Inherited From OOo
Hardware: All All
: medium enhancement
Assignee: Not Assigned
Keywords: accessibility
Depends on:
Blocks: a11y, Accessibility Options-Dialog UI-Theming
  Show dependency treegraph
Reported: 2021-01-24 04:11 UTC by Quintao
Modified: 2022-04-07 13:35 UTC (History)
3 users (show)

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Crash report or crash signature:


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Description Quintao 2021-01-24 04:11:21 UTC
In Options > Accessibility there is an option:
[] Use system colours for page previews

This is a good idea for those of us who use an easy-on-the-eyes dark scheme in Libre, so that we can see what the real page will look like (for example if our choice of table border colour will actually work or not on a white page).

But it's kind of awkward to switch to it and back again, as we need to open up Options to do that,

What about a button in the Page preview window, to toggle this option on/off?
A button with an "eye" icon would be easy to find and would be intuitive.

Steps to Reproduce:
1.open Options > Accessibility 
2.check Use system colours for page previews
3.open page preview

Actual Results:
page preview shows real page colours

Expected Results:
The toggle is needed in the page preview window

Reproducible: Always

User Profile Reset: No

Additional Info:
Linux 4.9
ui default, gtk3
Comment 1 V Stuart Foote 2022-04-01 12:58:21 UTC
+1, but seems this should be a function of the already provided 'Print Preview' document view mode.
Comment 2 Heiko Tietze 2022-04-04 07:34:31 UTC
The function does not much, it changes the background and font color to white/black for the page preview. Point is that you configured the "easy-on-the-eyes scheme" for working with the document and inspecting the result, the page preview, should more or less always be a true what-you-see-is-what-you-print version. Adding an option to the preview toolbar to toggle the b/w mode on/off makes only sense if you frequently use the two modes for some purpose. And I don't see it.
Comment 3 Cor Nouws 2022-04-05 12:17:12 UTC
Looks OK to me
Comment 4 Heiko Tietze 2022-04-07 13:02:06 UTC
Cannot understand why Cor and Stuart agree with the request. But anyway, let's accept then.
Comment 5 V Stuart Foote 2022-04-07 13:35:46 UTC
Idea of giving a preview -- we do so already for printing -- "so that we can see what the real page will look like".  Effectively separating the user chosen UI rendering from a document's rendering when output, but temporarily with a toggle. 

Why reuse of the Print Preview methods are appealing, little new dev effort.