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3 commits

Author SHA1 Message Date
Leroy Hopson
a337143949 Add libtsm patches for some escape sequences
The sequences are:
  CSI > Pp ; Pv m    (e.g. '\e[>4;m'
  CSI ? Pm $ p       (e.g. '\e[?12$p'

These sequences were being output by vim and causing the underline
attribute to be set and the terminal to be reset.

Fixes #40
2021-06-22 00:07:13 +07:00
Leroy Hopson
d2f073d7ae
Multiple updates
- Use viewport as render target for terminal:
  Terminal now only draws cells which changed since the last _draw() call.
  A viewport is used with clear mode set to NEVER to cache previous draw
  calls. The terminal node and viewport are wrapped by a GDScript Terminal
  node which takes care of resizing the viewport scene, and forcing the
  terminal to redraw all cells when necessary (i.e. on resize or theme
  change).

  Adds update_mode to terminal interface which can be set to one of:
  - DISABLED: terminal will never be drawn
  - AUTO: terminal will only draw the cells that changed, but
    automatically redraw the full screen when necessary (for example,
    when the size or theme changed).
  - ALL: terminal will always draw every cell on every update. This is
    the most reliable but least performant option.
  - ALL_NEXT_FRAME: Will use update_mode ALL for the next _draw() call,
    then change update_mode back to AUTO.

- Upgraded libtsm:
  Includes changes from Fredrik Wikstrom (salass00)'s fork of libtsm.

- Don't require theme to be set.
  Terminal will use default fonts/colors if no theme is set.
2021-06-20 18:33:40 +07:00
Leroy Hopson
0437d0f18c
Rename directory 'external' -> 'thirdparty' 2021-06-12 15:10:42 +07:00