mirror of
https://github.com/kepler155c/opus
synced 2024-11-16 05:34:49 +00:00
97 lines
2.0 KiB
Lua
97 lines
2.0 KiB
Lua
local fuzzy = require('opus.fuzzy')
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local UI = require('opus.ui')
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local Util = require('opus.util')
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local help = _G.help
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UI:configure('Help', ...)
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local topics = { }
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for _,topic in pairs(help.topics()) do
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table.insert(topics, { name = topic, lname = topic:lower() })
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end
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UI:addPage('main', UI.Page {
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UI.Text {
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x = 3, y = 2,
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value = 'Search',
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},
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UI.TextEntry {
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x = 10, y = 2, ex = -3,
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limit = 32,
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},
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grid = UI.ScrollingGrid {
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y = 4,
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values = topics,
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columns = {
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{ heading = 'Topic', key = 'name' },
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},
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sortColumn = 'lname',
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},
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accelerators = {
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[ 'control-q' ] = 'quit',
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enter = 'grid_select',
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},
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eventHandler = function(self, event)
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if event.type == 'quit' then
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UI:quit()
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elseif event.type == 'grid_select' then
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if self.grid:getSelected() then
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UI:setPage('topic', self.grid:getSelected().name)
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end
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elseif event.type == 'text_change' then
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if not event.text then
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self.grid.sortColumn = 'lname'
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else
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self.grid.sortColumn = 'score'
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self.grid.inverseSort = false
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local pattern = event.text:lower()
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for _,v in pairs(self.grid.values) do
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v.score = -fuzzy(v.lname, pattern)
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end
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end
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self.grid:update()
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self.grid:setIndex(1)
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self.grid:draw()
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else
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return UI.Page.eventHandler(self, event)
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end
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end,
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})
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UI:addPage('topic', UI.Page {
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backgroundColor = 'black',
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titleBar = UI.TitleBar {
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title = 'text',
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event = 'back',
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},
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helpText = UI.TextArea {
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x = 2, ex = -1, y = 3, ey = -2,
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},
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accelerators = {
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[ 'control-q' ] = 'back',
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backspace = 'back',
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},
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enable = function(self, name)
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local f = help.lookup(name)
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self.titleBar.title = name
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self.helpText:setText(f and Util.readFile(f) or 'No help available for ' .. name)
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return UI.Page.enable(self)
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end,
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eventHandler = function(self, event)
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if event.type == 'back' then
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UI:setPage('main')
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end
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return UI.Page.eventHandler(self, event)
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end,
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})
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local args = Util.parse(...)
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UI:setPage(args[1] and 'topic' or 'main', args[1])
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UI:start()
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