Bug#783964: gnome-screenshot: Spurious triggers of activity menu while validating screenshot region

[Ludovic Pouzenc]

Package: gnome-screenshot
Version: 3.14.0-1
Severity: normal

Dear Maintainer,

On my fresh defaut install of Debian 8 with dual monitor setup on ATI
card, I have pseudo random problem while trying to screenshot a region
of my main screen.

I trigger gnome-screenshot by pressing Ctrl+Alt+Printscreen, draw a
region from upper-left corner to bottom-right. Sometimes the region is
the right one and every goes ok, sometime the region start at position
that is not the cursor one (may be a x==0 on current screen ?) then
Activity menu is trggered then the screenshot is taken but not contains
what I want to screenshot.

There is also stange region drawing when going bottom without any x
variation. Seems tru in the reverse : moving on x axis without variying
on y.

2 videos for illustrating the whole fuck :)

http://www.pouzenc.fr/misc/tmp/gnome-screenshot-triggers-activity-menu.webm
http://www.pouzenc.fr/misc/tmp/gnome-screenshot-triggers-strange-rects.webm

I don't know how to report it properly upstream and if gnome-screenshot
is the root source of the problem.

Cheers,
Ludovic

-- System Information:
Debian Release: 8.0
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=fr_FR.utf8, LC_CTYPE=fr_FR.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages gnome-screenshot depends on:
ii  dconf-gsettings-backend [gsettings-backend]  0.22.0-1
ii  libc6                                        2.19-18
ii  libcairo2                                    1.14.0-2.1
ii  libcanberra-gtk3-0                           0.30-2.1
ii  libcanberra0                                 0.30-2.1
ii  libgdk-pixbuf2.0-0                           2.31.1-2+b1
ii  libglib2.0-0                                 2.42.1-1
ii  libgtk-3-0                                   3.14.5-1
ii  libx11-6                                     2:1.6.2-3
ii  libxext6                                     2:1.3.3-1

gnome-screenshot recommends no packages.

gnome-screenshot suggests no packages.

-- no debconf information