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fix(greenhouse): set scroll boundary properly, fix text cutoff

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this means you can no longer scroll away the text until it isnt seen
this commit also fixes text cutoff when using lunacolors
(like in the doc command)
This commit is contained in:
sammyette 2023-07-11 20:24:38 -04:00
parent 9b39d5ffcf
commit 5b4b055c6c
Signed by: sammyette
GPG Key ID: 904FC49417B44DCD
1 changed files with 18 additions and 4 deletions
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22
nature/greenhouse/init.lua
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@ -44,6 +44,21 @@ function Greenhouse:updateCurrentPage(text)
page:setText(text)
end
local function sub(str, limit)
local overhead = 0
local function addOverhead(s)
overhead = overhead + string.len(s)
end
local s = str:gsub('\x1b%[%d+;%d+;%d+;%d+;%d+%w', addOverhead)
:gsub('\x1b%[%d+;%d+;%d+;%d+%w', addOverhead)
:gsub('\x1b%[%d+;%d+;%d+%w',addOverhead)
:gsub('\x1b%[%d+;%d+%w', addOverhead)
:gsub('\x1b%[%d+%w', addOverhead)
return s:sub(0, limit + overhead)
end
function Greenhouse:draw()
local workingPage = self.pages[self.curPage]
local offset = self.offset
@ -56,10 +71,9 @@ function Greenhouse:draw()
self.sink:write(ansikit.getCSI(self.start .. ';1', 'H'))
self.sink:write(ansikit.getCSI(2, 'J'))
-- the -2 negate is for the command and status line
for i = offset, offset + (self.region.height - self.start) do
for i = offset, offset + (self.region.height - 1) do
if i > #lines then break end
self.sink:writeln('\r' .. lines[i]:gsub('\t', ' '):sub(0, self.region.width - 2))
self.sink:writeln('\r' .. sub(lines[i]:gsub('\t', ' '), self.region.width - 2))
end
self.sink:write '\r'
self:render()
@ -82,7 +96,7 @@ function Greenhouse:scroll(direction)
local oldOffset = self.offset
if direction == 'down' then
self.offset = math.min(self.offset + 1, #lines)
self.offset = math.min(self.offset + 1, math.max(1, #lines - self.region.height + 1))
elseif direction == 'up' then
self.offset = math.max(self.offset - 1, 1)
end