Open Bug 635345 Opened 14 years ago Updated 2 years ago

Drop-down list displayed outside of visible screen area when window split across two or more screens

Categories

(Core :: Layout: Form Controls, defect)

x86
Windows XP
defect

Tracking

()

UNCONFIRMED

People

(Reporter: david.balazic, Unassigned)

References

()

Details

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(1 file)

User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13 ( .NET CLR 3.5.30729) Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13 ( .NET CLR 3.5.30729) When the SELECT element is close to the bottom of the physical screen, it is displayed partly off screen. See screenshot. It should display upwards, like most system menus (also Firefox menu bar items) do. This is probably related to the fact that I have two monitors. The one where the problem occurs is the left one and is slightly higher than the other. So the menu still fits into the "xtended" screen area (an imaginary rectangle spanned over the actual two screens). Reproducible: Always
Attached image Screenshot of problem
The black are on the bottom of the screenshot is the "imagined" complete screen area. It is outside the actual visible part of the monitor image. (note, the image is cropped, the black part is taller in reality)
Since this was reported against 3.6 this looks like it is probably a duplicate of bug 503791 (which wasn't fixed until after 3.6). Does this bug still happen in a current version?
Yes, still happens with 14.0.1 - make right monitor have extra space at bottom, compared to left monitor. - open test URL in a window, placing it on the right monitor in the upper part, just above the extra space on the bottom - open the drop down menu: it open to down, shown completely - move the window to the left, but still have a part of it on the right monitor. The drop down menu should be entirely on the left monitor - click the drop down: it is displayed as in original report, partly off screen The same steps in IE9 result in the drop down being displayed upwards (completely on screen). I tested this on Windows 7.
Oh, that makes sense. The current code doesn't try to deal intelligently with the situation that a window is half on one screen and half on another.
Summary: Drop-down list displayed outside of visible screen area → Drop-down list displayed outside of visible screen area when window split across two or more screens
Severity: normal → S3
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