diff options
| -rw-r--r-- | Manual_tests.md | 4 | ||||
| -rw-r--r-- | text.lua | 5 |
2 files changed, 8 insertions, 1 deletions
diff --git a/Manual_tests.md b/Manual_tests.md index 8c1398e..8d4d410 100644 --- a/Manual_tests.md +++ b/Manual_tests.md @@ -11,3 +11,7 @@ Lua is dynamically typed. Tests can't patch over lack of type-checking. byte offsets with the suffix `_offset`, and character positions as `_pos`. For example, `string.sub` should never use a `_pos` to substring, only an `_offset`. + +* Some ADT/interface support would be helpful in keeping per-line state in + sync. Any change to line data should clear line `fragments` and + `screen_line_starting_pos`. diff --git a/text.lua b/text.lua index 5dbecc9..84f3000 100644 --- a/text.lua +++ b/text.lua @@ -355,6 +355,9 @@ function Text.insert_return() table.insert(Lines, Cursor1.line+1, {mode='text', data=string.sub(Lines[Cursor1.line].data, byte_offset)}) Lines[Cursor1.line].data = string.sub(Lines[Cursor1.line].data, 1, byte_offset-1) Lines[Cursor1.line].fragments = nil + Lines[Cursor1.line].screen_line_starting_pos = nil + Lines[Cursor1.line+1].fragments = nil + Lines[Cursor1.line+1].screen_line_starting_pos = nil Cursor1.line = Cursor1.line+1 Cursor1.pos = 1 end @@ -410,7 +413,7 @@ end function Text.up() assert(Lines[Cursor1.line].mode == 'text') ---? print('up', Cursor1.pos, Screen_top1.pos) +--? print('up', Cursor1.line, Cursor1.pos, Screen_top1.line, Screen_top1.pos) local screen_line_index,screen_line_starting_pos = Text.pos_at_start_of_cursor_screen_line() if screen_line_starting_pos == 1 then --? print('cursor is at first screen line of its line') |