Yes, xournal 1:0.4.8-1 broken in Ubuntu 15.10 with two monitors joined
using Xinerama.  Input only works on the left monitor, not the right.

If I put the xournal window straddling the two monitors and draw a pen
free-form line from left-to-right, the line works fine on the left
monitor but the instant the pen crosses into the right monitor, the line
disconnects from the pen and zooms straight left off the left edge of
the window and does not track the pen as it moves around on the right
monitor.  (Or perhaps it tracks the pen far off-screen to the left where
I can't see it.)

If I start a free-form pen line on the right monitor and move left,
nothing is visible on the screen until the pen crosses into the left
monitor, then a line suddenly appears from the far left across the
screen to where the pen enters the left monitor, and then the line
correctly tracks the pen as long as the pen stays on the left monitor.

I can start typing text on the left monitor, and the text extends
correctly onto the right monitor.  I cannot start text on the right
monitor; it isn't visible at all.

I can start typing text on the left monitor, move the window over to the
right monitor, and continue typing text (into the same place) just fine
on the right monitor as long as I don't move the cursor out of the text
box.

I cannot move the window to the right monitor and then select anything,
so I can't select any text boxes on the right monitor unless I move the
window to the left monitor to select the box.  Once selected, I can then
move the window to the right monitor, but once the cursor leaves the
text box on the right monitor, I can't re-select it.

Definitely looks like a multi-monitor coordinate problem.


** Tags added: wily

** Description changed:

  There appearss to be a coordinate conversion problem with the latest
  code:  the x-coordinate is negative when used on some screens...
  
  I've got a new multi-head bug I have not seen before... I've been
  casually using a 3-screen multi-head setup with xournal for about 4
- years, it's worked fine, until a recent upgrade to Ubunut 140.04/ linux
+ years, it's worked fine, until a recent upgrade to Ubunut 14.04/ linux
  mint rebecca.  Currently  Xournal only works on the left-most screen;
  nothing is drawn when used on the middle and right screens.  However,
  data is saved: I do get a "save" prompt, and when saving, a file is
  generated.   On loading the file, nothing is displayed.
  
  Looking at the file contents (after ungzipping) shows  that the
  x-coordinate is negative(!) -- deleting the negative sign, and reloading
  the file does cause the artwork to display (although not in the correct
  location).
  
  Conclusion: something, somewhere is performing incorrect math on a
  multi-head setup.  FWIW, it is a 3-head setup, and the rightmost heads
  is rotated, so the total display area is L-shaped, not rectangular.
  
  I have not seen this bug with other drawing programs. I did not see this
  bug with earlier versions (on ubuntu 12.04)

** Description changed:

  There appearss to be a coordinate conversion problem with the latest
  code:  the x-coordinate is negative when used on some screens...
  
  I've got a new multi-head bug I have not seen before... I've been
  casually using a 3-screen multi-head setup with xournal for about 4
- years, it's worked fine, until a recent upgrade to Ubunut 14.04/ linux
+ years, it's worked fine, until a recent upgrade to Ubuntu 14.04/ linux
  mint rebecca.  Currently  Xournal only works on the left-most screen;
  nothing is drawn when used on the middle and right screens.  However,
  data is saved: I do get a "save" prompt, and when saving, a file is
  generated.   On loading the file, nothing is displayed.
  
  Looking at the file contents (after ungzipping) shows  that the
  x-coordinate is negative(!) -- deleting the negative sign, and reloading
  the file does cause the artwork to display (although not in the correct
  location).
  
  Conclusion: something, somewhere is performing incorrect math on a
  multi-head setup.  FWIW, it is a 3-head setup, and the rightmost heads
  is rotated, so the total display area is L-shaped, not rectangular.
  
  I have not seen this bug with other drawing programs. I did not see this
  bug with earlier versions (on ubuntu 12.04)

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https://bugs.launchpad.net/bugs/1432079

Title:
  Only works on left-most head or multi-head setup

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