bugfix in previous commit

I almost pushed this to production. That would have been catastrophic;
the very first keystroke anyone typed into the editor would have failed.

And in the process, this fixes the next bug on my TODO list! Paste on
first line wasn't working. Now it is.

1 files changed, 3 insertions, 0 deletions

diff --git a/text.lua b/text.lua
index 7fa4d2e..88ee18d 100644
--- a/text.lua
+++ b/text.lua
@@ -152,6 +152,7 @@ function Text.insert_at_cursor(t)
   else
     byte_offset = 1
   end
+--?   print(Screen_top1.line, Screen_top1.pos, Cursor1.line, Cursor1.pos, Screen_bottom1.line, Screen_bottom1.pos)
   Lines[Cursor1.line].data = string.sub(Lines[Cursor1.line].data, 1, byte_offset-1)..t..string.sub(Lines[Cursor1.line].data, byte_offset)
   Lines[Cursor1.line].fragments = nil
   Lines[Cursor1.line].screen_line_starting_pos = nil
@@ -160,6 +161,7 @@ function Text.insert_at_cursor(t)
   if scroll_down then
     Text.populate_screen_line_starting_pos(Cursor1.line)
     Text.snap_cursor_to_bottom_of_screen()
+--?     print('=>', Screen_top1.line, Screen_top1.pos, Cursor1.line, Cursor1.pos, Screen_bottom1.line, Screen_bottom1.pos)
   end
 end
 
@@ -624,6 +626,7 @@ end
 
 function Text.snap_cursor_to_bottom_of_screen()
   local top2 = Text.to2(Cursor1)
+  top2.screen_pos = 1  -- start of screen line
 --?   print('cursor pos '..tostring(Cursor1.pos)..' is on the #'..tostring(top2.screen_line)..' screen line down')
   local y = App.screen.height - Line_height
   -- duplicate some logic from love.draw