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+ optimize redraws (redraw only the modified rectangle)
+ undo (by storing lines changed across insert/remove operations)
* re-organise undo-ring management
* add undo for arrow mode
* add undo for text mode
- add undo for erase mode
- fix bug with 'g' commands in arrow mode
- add screen geometry option (-g 25x80?)
- read file at point
- read output of command (!)
- use [ENTER] to exit from text insert
- maybe move "text" mode to "t"
- implement ellipse
- (?) filled box (B)
- (?) manage filled box character (as for other styles)
- implement comment (#: ignore until the end of the line)
+ parse control characters
+ parse arrows (text-mode will allow movements as well)
- (?) implement CTRL+G as abort (aside ESC)
- (?) remove extra blanks until EOL when saving to file
- manage special chars (DEL/CANC) during text insert
(also do not print unmanaged chars!)
- allow scrolling (both vertical and horizontal)
- catch SIGWINCH and react appropriately (after scrolling is
enabled)
* visual selection
* crop-to-rectangle
* yank
* fill
* cut
* put yanked content (p)
* turn screen into a lineset
* change alloc/ensure functions to work on line_t* and lineset_t*
* add crop command (C)
* reorganise code
* change screen management (i.e., dynamic array of lines)
* add action multiplier (e.g., "7h" moves left by 7 cols)
* add scripting mode option ("-s"?)
* auto-arrow 'A' (automatic end-char)
* move configs in config.h
* get screen geometry
* allow the use of [ENTER] to confirm arrow, boxes (useful
for scripting)
* add Makefile
* change "g" command:
- g-g (goto top-left)
- g-G (goto bottom-right)
- g-m (goto middle)
- g-[hjkl] (goto leftmost, bottom, top, rightmost)
* move style commands in a separate function
(and allow style change in all the modes...)
* add "vis" (for visual) in mode strings
* implement "." to reset styles to defaults.
* load from file
* check if modified on exit
* write to new file / default file
* delete -- 'x'
* save to file
* implement arrow
* set different line styles (done for hl, vl, corner)
* add status bar
* implement box
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