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extract a couple more methods

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Kartik K. Agaram 2022-05-28 22:45:53 -07:00
parent 86532eef4b
commit d58aabe867
1 changed files with 34 additions and 26 deletions
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60
text.lua
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@ -993,36 +993,44 @@ function Text.keychord_pressed(chord)
elseif chord == 'down' then
Text.down()
elseif chord == 'pageup' then
-- duplicate some logic from love.draw
local top2 = Text.to2(Screen_top1)
--? print(App.screen.height)
local y = App.screen.height - math.floor(15*Zoom)
while y >= 15 do
--? print(y, top2.line)
if Screen_top1.line == 1 and Screen_top1.pos == 1 then break end
if Lines[Screen_top1.line].mode == 'text' then
y = y - math.floor(15*Zoom)
elseif Lines[Screen_top1.line].mode == 'drawing' then
y = y - 20 - Drawing.pixels(Lines[Screen_top1.line].h)
end
top2 = Text.previous_screen_line(top2)
end
Screen_top1 = Text.to1(top2)
Cursor1.line = Screen_top1.line
Cursor1.pos = Screen_top1.pos
Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necessary()
--? print(Cursor1.line, Cursor1.pos, Screen_top1.line, Screen_top1.pos)
Text.pageup()
elseif chord == 'pagedown' then
Screen_top1.line = Screen_bottom1.line
Screen_top1.pos = Screen_bottom1.pos
--? print('setting top to', Screen_top1.line, Screen_top1.pos)
Cursor1.line = Screen_top1.line
Cursor1.pos = Screen_top1.pos
Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necessary()
--? print('top now', Screen_top1.line)
Text.pagedown()
end
end
function Text.pageup()
-- duplicate some logic from love.draw
local top2 = Text.to2(Screen_top1)
--? print(App.screen.height)
local y = App.screen.height - math.floor(15*Zoom)
while y >= 15 do
--? print(y, top2.line)
if Screen_top1.line == 1 and Screen_top1.pos == 1 then break end
if Lines[Screen_top1.line].mode == 'text' then
y = y - math.floor(15*Zoom)
elseif Lines[Screen_top1.line].mode == 'drawing' then
y = y - 20 - Drawing.pixels(Lines[Screen_top1.line].h)
end
top2 = Text.previous_screen_line(top2)
end
Screen_top1 = Text.to1(top2)
Cursor1.line = Screen_top1.line
Cursor1.pos = Screen_top1.pos
Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necessary()
--? print(Cursor1.line, Cursor1.pos, Screen_top1.line, Screen_top1.pos)
end
function Text.pagedown()
Screen_top1.line = Screen_bottom1.line
Screen_top1.pos = Screen_bottom1.pos
--? print('setting top to', Screen_top1.line, Screen_top1.pos)
Cursor1.line = Screen_top1.line
Cursor1.pos = Screen_top1.pos
Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necessary()
--? print('top now', Screen_top1.line)
end
function Text.up()
assert(Lines[Cursor1.line].mode == 'text')
--? print('up', Cursor1.pos, Screen_top1.pos)