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lines-maleza-experiment
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add args to some functions 

- Text.previous_screen_line
This commit is contained in:
Kartik K. Agaram 2022-07-08 16:24:10 -07:00
parent 3eb89adca6
commit 532b8dddd7
1 changed files with 5 additions and 5 deletions
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10
text.lua
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@ -215,7 +215,7 @@ function Text.keychord_pressed(chord)
end
if Text.lt1(Cursor1, Screen_top1) then
local top2 = Text.to2(Screen_top1)
top2 = Text.previous_screen_line(top2)
top2 = Text.previous_screen_line(top2, Margin_left, App.screen.width-Margin_right)
Screen_top1 = Text.to1(top2)
Text.redraw_all() -- if we're scrolling, reclaim all fragments to avoid memory leaks
end
@ -367,7 +367,7 @@ function Text.pageup(left, right)
elseif Lines[Screen_top1.line].mode == 'drawing' then
y = y - Drawing_padding_height - Drawing.pixels(Lines[Screen_top1.line].h)
end
top2 = Text.previous_screen_line(top2)
top2 = Text.previous_screen_line(top2, left, right)
end
Screen_top1 = Text.to1(top2)
Cursor1.line = Screen_top1.line
@ -558,7 +558,7 @@ function Text.left(left, right)
end
if Text.lt1(Cursor1, Screen_top1) then
local top2 = Text.to2(Screen_top1)
top2 = Text.previous_screen_line(top2)
top2 = Text.previous_screen_line(top2, left, right)
Screen_top1 = Text.to1(top2)
end
end
@ -655,7 +655,7 @@ function Text.snap_cursor_to_bottom_of_screen(left, right)
--? print('skipping drawing of height', h)
y = y - h
end
top2 = Text.previous_screen_line(top2)
top2 = Text.previous_screen_line(top2, left, right)
end
--? print('top2 finally:', top2.line, top2.screen_line, top2.screen_pos)
Screen_top1 = Text.to1(top2)
@ -879,7 +879,7 @@ function Text.offset(s, pos1)
return result
end
function Text.previous_screen_line(pos2)
function Text.previous_screen_line(pos2, left, right)
if pos2.screen_line > 1 then
return {line=pos2.line, screen_line=pos2.screen_line-1, screen_pos=1}
elseif pos2.line == 1 then