Leading/trailing whitespace in button labels stripped out even with fixed font

NEW
Unassigned

Status

()

Core
Layout: Form Controls
14 years ago
10 years ago

People

(Reporter: mike.blackwell, Unassigned)

Tracking

Trunk
x86
Linux
Points:
---

Firefox Tracking Flags

(Not tracked)

Details

(Reporter)

Description

14 years ago
User-Agent:       Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624
Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624

The html snippet below produces submit buttons of the same size on Mozilla
1.0.4.   With the current version, the size of the button varies depending on
whether the caracter at the beginning/end of the value= is a space.  Space
appears to be treated differently, even though a fixed size font is selected.

<style>
input { font-family: monospace; }
</style>
<form>
<input type="submit" name="foo"   value=" foo ">
<input type="submit" name="fubar" value="fubar">
<input type="submit" name="bar"   value="  b  ">
</form>


Reproducible: Always

Steps to Reproduce:
1.  Just load the attached snippet
Actual Results:  
The second button is larger than the other two.

Expected Results:  
All buttons should be the same width.

This does not seem to be simply a missized space character in the font, as
spaces within the value= text are rendered correctly.
(Reporter)

Comment 1

14 years ago
Using the same monospace style with a <select> yields the expected results in
both 1.0.4 and this version.  I.e.  a space is rendered at the same width as
other characters.
This is done on purpose, actually.  See the long comment at
http://lxr.mozilla.org/seamonkey/source/layout/html/forms/src/nsGfxButtonControlFrame.cpp#201
which describes the reason we do it and the steps to take to maybe be able to
stop doing it (no guarantees on that).
This is an automated message, with ID "auto-resolve01".

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The latest beta releases can be obtained from:
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Assignee: layout.form-controls → nobody
QA Contact: ian → layout.form-controls
The url in comment 2 should now be http://bonsai.mozilla.org/cvsblame.cgi?file=mozilla/layout/forms/nsGfxButtonControlFrame.cpp&rev=1.144&mark=259-275#254
Status: UNCONFIRMED → NEW
Ever confirmed: true
Summary: Input type="submit" with fixed font not sized consistantly - improper handling of space character? → Leading/trailing whitespace in button labels stripped out even with fixed font
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