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| author | Kartik K. Agaram <vc@akkartik.com> | 2021-12-23 11:01:52 -0800 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2021-12-23 11:08:56 -0800 |
| commit | a2cb3da0c957cdc236d25a5cc1d8996ce9a32dbc (patch) | |
| tree | f92e9e505ab33e29396ee7633aee81aa3d2f3e2e | |
| parent | c1bcd566e99121435b96403d5c5dafd8dcad03fa (diff) | |
| download | teliva-a2cb3da0c957cdc236d25a5cc1d8996ce9a32dbc.tar.gz | |
toot-toot: cursor_up now handles wrapping lines
| -rw-r--r-- | toot-toot.tlv | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/toot-toot.tlv b/toot-toot.tlv index 1380f39..fc6fe92 100644 --- a/toot-toot.tlv +++ b/toot-toot.tlv @@ -659,7 +659,7 @@ > -- compute oldcol, the screen column of old_idx > local oldcol = 0 > local col = 0 - > local previous_newline = 0 + > local newline_before_current_line = 0 > curses.addstr('^') > while true do > curses.addstr('|'..i) @@ -669,7 +669,7 @@ > end > if s[i] == '\n' then > col = 0 - > previous_newline = i + > newline_before_current_line = i > else > col = col+1 > if col == width then @@ -680,12 +680,12 @@ > end > -- find previous newline > i = i-col-1 - >--? curses.addstr('w'..old_idx..'-'..previous_newline) - > if old_idx - previous_newline > width then + >--? curses.addstr('w'..old_idx..'-'..newline_before_current_line) + > if old_idx - newline_before_current_line > width then > -- we're in a wrapped line > return old_idx - width > end - > -- scan back to previous line + > -- scan back to start of previous line > if s[i] == '\n' then > i = i-1 > end @@ -701,10 +701,16 @@ > end > i = i-1 > end - > -- compute index at same column on next line > -- i is at a newline > curses.addstr('/'..i) > i = i+1 + > -- skip whole screen lines within previous line + > curses.addstr('x'..old_idx..'-'..i) + > while newline_before_current_line - i > width do + > i = i + width + > curses.addstr('p'..i) + > end + > -- compute index at same column on previous screen line > col = 0 > while true do > curses.addstr('>>'..i) |