mirror of https://github.com/Hilbis/Hilbish
feat(nature/greenhouse): support setting multiple pages
parent
8b5b9b3c1c
commit
179bec7ae5
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@ -4,17 +4,21 @@ local commander = require 'commander'
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local hilbish = require 'hilbish'
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local terminal = require 'terminal'
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local Greenhouse = require 'nature.greenhouse'
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local Page = require 'nature.greenhouse.page'
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commander.register('greenhouse', function(args, sinks)
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local fname = args[1]
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local done = false
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local f <close> = io.open(fname, 'r')
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if not f then
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sinks.err:writeln(string.format('could not open file %s', fname))
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end
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local gh = Greenhouse(sinks.out)
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gh:setText(f:read '*a')
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local done = false
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for _, name in ipairs(args) do
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local f <close> = io.open(name, 'r')
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if not f then
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sinks.err:writeln(string.format('could not open file %s', name))
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end
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local page = Page(f:read '*a')
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gh:addPage(page)
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end
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bait.catch('signal.sigint', function()
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done = true
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@ -44,6 +48,21 @@ commander.register('greenhouse', function(args, sinks)
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elseif c2 == 65 then -- arrow up
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gh:scroll 'up'
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end
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if c2 == 49 then
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local c3 = read()
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if c3 == 59 then
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local c4 = read()
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if c4 == 53 then
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local c5 = read()
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if c5 == 67 then
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gh:next()
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elseif c5 == 68 then
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gh:previous()
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end
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end
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end
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end
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end
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goto continue
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end
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@ -16,28 +16,43 @@ function Greenhouse:new(sink)
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self.start = 1
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self.offset = 1
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self.sink = sink
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self.pages = {}
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self.curPage = 1
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return self
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end
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function Greenhouse:setText(text)
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self.lines = string.split(text, '\n')
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function Greenhouse:addPage(page)
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table.insert(self.pages, page)
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end
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function Greenhouse:updateCurrentPage(text)
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local page = self.pages[self.curPage]
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page:setText(text)
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end
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function Greenhouse:draw()
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local lines = self.pages[self.curPage].lines
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self.sink:write(ansikit.getCSI(self.start .. ';1', 'H'))
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self.sink:write(ansikit.getCSI(2, 'J'))
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for i = self.offset, self.offset + (self.region.height - self.start) - 1 do
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self.sink:write(ansikit.getCSI(2, 'K'))
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self.sink:writeln('\r' .. self.lines[i]:gsub('\t', ' '):sub(0, self.region.width - 2))
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-- the -2 negate is for the command and status line
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for i = self.offset, self.offset + (self.region.height - self.start) - 2 do
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if i > #lines then break end
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self.sink:writeln('\r' .. lines[i]:gsub('\t', ' '):sub(0, self.region.width - 2))
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end
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self.sink:write '\r'
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self.sink:write(ansikit.getCSI(self.region.height - self.start.. ';1', 'H'))
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self.sink:writeln(string.format('Page %d', self.curPage))
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end
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function Greenhouse:scroll(direction)
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local lines = self.pages[self.curPage].lines
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local oldOffset = self.offset
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if direction == 'down' then
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self.offset = math.min(self.offset + 1, #self.lines)
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self.offset = math.min(self.offset + 1, #lines)
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elseif direction == 'up' then
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self.offset = math.max(self.offset - 1, 1)
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end
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@ -52,4 +67,15 @@ function Greenhouse:update()
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self:draw()
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end
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function Greenhouse:next()
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self.curPage = math.min(self.curPage + 1, #self.pages)
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self.sink:write(ansikit.getCSI(2, 'J'))
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self:draw()
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end
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function Greenhouse:previous()
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self.curPage = math.max(self.curPage - 1, 1)
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self:draw()
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end
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return Greenhouse
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@ -0,0 +1,13 @@
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local Object = require 'nature.object'
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local Page = Object:extend()
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function Page:new(text)
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self:setText(text)
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end
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function Page:setText(text)
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self.lines = string.split(text, '\n')
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end
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return Page
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