544254 - Changing message body text size does not change size of subject line in message header

Status: NEW

(Thunderbird :: Message Reader UI, enhancement)

Description

[Henry Hartley]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7 (.NET CLR 3.5.30729)
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.7) Gecko/20100111 Thunderbird/3.0.1

Using <ctrl><+> and <ctrl><-> increase and decrease the text of message bodies is great, especially for those of us with eye sight issues. Unfortunately, it does nothing to the size of message headers. It would be nice if at least the text in the subject line was also increased along with body text. I'm not talking about the list of messages, which I expect to stay as they are, but the To: Subject: and From: fields (and mostly the Subject: field) that are displayed in the separator between the list and the message pane.

Reproducible: Always

Steps to Reproduce:
1. View mail in classic view with message pane visible
2. Click <ctrl><+> a few times to increase text size in message pane
3. Message headers, displayed at top of message pane remain unchanged

Comment 1

[Ludovic Hirlimann [:Usul]]

Marco shall this be tracked by the accessibility bugs ?

Comment 2

[Marco Zehe (:MarcoZ)]

This is a new feature, it does not work in Firefox either. In Firefox, also only content gets zoomed, not the surrounding UI like Awesome Bar or menus.

I believe the original work was done in the layout Gecko engine, and this is where I would assume the enhancements would also have to happen if one would want to zoom the whole window, not just the (web) content.

Comment 4

[Henry Hartley]

Work around: Although the size cannot be changed dynamically, it can be changed. Create a directory called "Chrome" in the Thunderbird profile directory. Then create a file named UserChrome.css in that directory. The following will make the "From:" and "Subject:" lines and the date a bit larger. Adjust as desired. You must restart Thunderbird for changes to take effect.

/*
 * Do not remove the @namespace line -- it's required for correct functioning
 */
@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* set default namespace to XUL */
#expandedfromRow, #expandedsubjectRow, #dateValueBox {
	font-size: 1.5em ;
}