When using the hand tool, sometimes the secondary tool bar will go behind the document

[ghost]

Win7 64b ( tried using pdfjs 1.0.473 and 1.0.712 )

To reproduce I simply use the hand tool and scroll pages with it for a bit, and then click on the button to open the secondary menu. Sometimes when I do this it gets stuck behind the document. When this happens a page refresh is required to fix it. This doesn't happen every time so reproducing it is somewhat awkward. IE11 reproduces with a higher frequency, although I was also able to reproduce in FF32 as well:

[timvandermeij]

I have personally never seen that happen before. Could this be a z-index thing?

[Rob--W]

The effect can be reproduced in Chromium 38.0.2125.106 as follows (though I'm not certain whether the cause is the same):

1. Open a PDF in the PDF.js viewer.
2. Enable the hand tool.
3. Click on the menu to open it.
4. Drag the document up/down.

Observe that at step 4, the menu goes behind the canvas. And after a while, the menu simply disappears.

In Firefox, the menu always stays open.

[ghost]

I should also have noted I'm in Win7 64b using pdfjs 1.0.473 ( and recently tried 1.0.712 as well ). This happened most often in IE11, but also was able to make it happen in FF33.

I've noticed now that if I follow the steps above, and drag the document ( with hand tool enabled BUT scrolling with the scrollbar instead of the hand ) this reproduces it every time in IE11. In FF33 this makes it go behind temporarily but it comes back to the front as soon as I stop scrolling.

[Snuffleupagus]

Is this still an issue?

[Rob--W]

I can still reproduce using the STR from #5452 (comment) in Chromium 80.0.3987.132. The menu goes behind the canvas, but doesn't completely disappear though.