D11893: Do not resize new screen lines

[Mariusz Glebocki]

mglb created this revision.
mglb added a reviewer: Konsole.
mglb added a project: Konsole.
mglb requested review of this revision.

REVISION SUMMARY
  The lines are resized when something is put in them. Resizing them
  here filled them with spaces (default value), later those trailing
  spaces were put into history, and eventually into saved output or
  clipboard (because it is assumed lines in history do not contain
  trailing spaces).
  
  BUG: 392419

TEST PLAN
  - Enable "Trim trailing spaces" in Profile Settings → Mouse
  - Set window size to about 100x100px
  - Clear terminal (Ctrl-Shift-K by default)
  - Run:
  
    seq $(( $(tput lines) * 2 )); \
    printf '*** resize ***'; read -s; printf '\n'; \
    seq $(( $(tput lines) * 2 ))
  
  - When "resize" show up, resize the window to about 500x500px
  - Press enter
  - Select and copy lines below `*** resize ***`
  - Paste it in a text editor which allows to show trailing spaces
  
  Expected result: lines should not contain trailing spaces
  Actual result: lines added when resizing the window have trailing spaces

REPOSITORY
  R319 Konsole

BRANCH
  wip/do-not-resize-new-screen-lines (branched from master)

REVISION DETAIL
  https://phabricator.kde.org/D11893

AFFECTED FILES
  src/Screen.cpp

To: mglb, #konsole
Cc: #konsole, herrold, ngraham, hindenburg
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