mirror of https://github.com/kepler155c/opus
81 lines
1.6 KiB
Lua
81 lines
1.6 KiB
Lua
requireInjector(getfenv(1))
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local Event = require('event')
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local UI = require('ui')
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multishell.setTitle(multishell.getCurrent(), 'Help')
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UI:configure('Help', ...)
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local files = { }
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for _,f in pairs(help.topics()) do
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table.insert(files, { name = f })
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end
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local page = UI.Page {
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labelText = UI.Text {
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x = 3, y = 2,
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value = 'Search',
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},
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filter = 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 = files,
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columns = {
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{ heading = 'Name', key = 'name' },
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},
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sortColumn = 'name',
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},
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accelerators = {
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q = 'quit',
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enter = 'grid_select',
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},
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}
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local function showHelp(name)
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UI.term:reset()
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shell.run('help ' .. name)
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print('Press enter to return')
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repeat
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os.pullEvent('key')
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local _, k = os.pullEvent('key_up')
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until k == keys.enter
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end
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function page:eventHandler(event)
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if event.type == 'quit' then
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Event.exitPullEvents()
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elseif event.type == 'grid_select' then
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if self.grid:getSelected() then
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showHelp(self.grid:getSelected().name)
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self:setFocus(self.filter)
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self:draw()
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end
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elseif event.type == 'text_change' then
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local text = event.text
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if #text == 0 then
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self.grid.values = files
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else
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self.grid.values = { }
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for _,f in pairs(files) do
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if string.find(f.name, text) then
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table.insert(self.grid.values, f)
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end
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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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UI.Page.eventHandler(self, event)
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end
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end
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UI:setPage(page)
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UI:pullEvents()
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