1179283 - On non-100% DPI windows 10, the cut-out for the titlebar buttons and/or its placeholder are too small, causing caption buttons to be cut off or overlap

Status: VERIFIED FIXED

(Core :: Widget: Win32, defect, P1)

Description

[:Gijs (out for now; he/him)]

This doesn't happen if my VM uses 100% DPI. If I change it to 150% it goes sadfaces. On things where we don't seem to cut out titlebar things (default theme) this is causing the minimize button to overlap with the tablist dropdown button (all-tabs button). On lightweight themes, we seem to be sizing the cutout for the titlebar buttons wrongly and so the minimize button is cut off instead. The height of the cutout is also wrong.

I don't see any of this on windows 8. I wonder if this is related to bug 1173732 and if this both are win10-only problems.

Dão, can you clarify if that bug happens on win8 or previous at all? I'm not 100% up-to-date on it (and don't have hidpi win8).

Comment 1

[:Gijs (out for now; he/him)]

Attachment: Developer Edition caption buttons being cut off

Comment 2

[:Gijs (out for now; he/him)]

(In reply to :Gijs Kruitbosch from comment #0)
> bug 1173732 and if this both are win10-only problems.
> 
> Dão, can you clarify if that bug happens on win8 or previous at all? I'm not
> 100% up-to-date on it (and don't have hidpi win8).

Erm, I don't know what happened with the needinfo here, but let's try again.

Comment 3

[:Gijs (out for now; he/him)]

Attachment: Overlap on default theme

Comment 4

[:Gijs (out for now; he/him)]

FWIW, this didn't happen pre-build-10158, so in theory maybe MS will fix it before release? Or, alternatively, it might be an intentional change.

Comment 5

[:Gijs (out for now; he/him)]

Hm, this also results in the minimize button being rendered outside the window frame if the window is too small... o.O

Comment 6

[:Gijs (out for now; he/him)]

Attachment: Minimize button outside window frame

This is making me think it's actually an MS bug, though I'm not 100% sure.

Comment 7

[Jim Mathies [:jimm]]

(In reply to :Gijs Kruitbosch from comment #6)
> Created attachment 8628315 [details]
> Minimize button outside window frame
> 
> This is making me think it's actually an MS bug, though I'm not 100% sure.

I agree.

Comment 9

[Dão Gottwald [:dao]]

I can't check Windows 8 right now, but surely we'd have noticed by now if it was an issue there.

Comment 10

[:Gijs (out for now; he/him)]

(In reply to Dão Gottwald [:dao] from comment #9)
> I can't check Windows 8 right now, but surely we'd have noticed by now if it
> was an issue there.

I don't actually understand bug 1173732, so, I don't know.

Comment 11

[Dão Gottwald [:dao]]

Checked out Windows 8.1, this isn't an issue there.

Comment 12

[Scott Frost]

Attachment: Win 10 10162 + Dev Edition 41.0a2 (2015-07-06) x64 e10s enabled

Still seems to be an issue with the latest build

Comment 13

[Scott Frost]

Further,

Setting "layout.css.devPixelsPerPx" to 1 or 1.5 in about:config scales the tabs / etc, but does not solve the issue.

Checking "Disable display scaling on high DPI settings" in compatibility for the shortcut has no effect at all.

Comment 14

[Masatoshi Kimura [:emk]]

Works for me with the letest Nightly.

Comment 15

[:Gijs (out for now; he/him)]

Bug 1173725 should be fixing this.

Comment 17

[Andrei Vaida [:avaida]]

This seems to happen in private browsing as well, where the PB label from the title bar overlaps the minimize button. See: http://i.imgur.com/61Og7s5.png - screenshot from a Microsoft Surface Pro 2 using Windows 10 Pro x64 (Insider Preview Build 10162) with Beta 40.0b2 (20150706172413).

Comment 19

[Dão Gottwald [:dao]]

It looks like this may have been fixed in build 10240? I didn't do a direct before-after comparison, though, and have only tested 150% so far.

Comment 20

[:Gijs (out for now; he/him)]

(In reply to Dão Gottwald [:dao] from comment #19)
> It looks like this may have been fixed in build 10240? I didn't do a direct
> before-after comparison, though, and have only tested 150% so far.

I still saw this with lightweight themes in the build I just got (which I presume is 10240, but the build id on the bottom right of the desktop is gone, so I don't know for sure). Likewise, I still see overlap between the _/+\_ hover state and the minimize button when using the default theme (ie comparing the hover states). I'm also on 150%. Any idea what's different?

Comment 21

[:Gijs (out for now; he/him)]

(I checked the registry, definitely running 10240)

Comment 22

[:Gijs (out for now; he/him)]

Fixed by bug 1173725, anyway.

Comment 23

[Scott Frost]

Definitely appears to be fixed on 41.0a2 (2015-07-16) on 10240.

Comment 24

[Jared Wein [:jaws] (please needinfo? me)]

(In reply to Scott Frost from comment #23)
> Definitely appears to be fixed on 41.0a2 (2015-07-16) on 10240.

Thanks!