mirror of
https://github.com/kepler155c/opus
synced 2024-10-31 22:26:16 +00:00
378 lines
8.4 KiB
Lua
378 lines
8.4 KiB
Lua
local Blit = require('opus.ui.blit')
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local Config = require('opus.config')
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local Util = require('opus.util')
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local colors = _G.colors
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local fs = _G.fs
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local kernel = _G.kernel
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local keys = _G.keys
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local os = _G.os
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local printError = _G.printError
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local window = _G.window
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local parentTerm = _G.device.terminal
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local w,h = parentTerm.getSize()
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local overviewId
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local tabsDirty = false
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local closeInd = Util.getVersion() >= 1.76 and '\215' or '*'
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local multishell = { }
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_ENV.multishell = multishell
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kernel.window.reposition(1, 2, w, h - 1)
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local config = {
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standard = {
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textColor = colors.lightGray,
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tabBarTextColor = colors.lightGray,
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focusTextColor = colors.white,
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backgroundColor = colors.gray,
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tabBarBackgroundColor = colors.gray,
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focusBackgroundColor = colors.gray,
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errorColor = colors.black,
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},
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color = {
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textColor = colors.lightGray,
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tabBarTextColor = colors.lightGray,
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focusTextColor = colors.white,
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backgroundColor = colors.gray,
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tabBarBackgroundColor = colors.gray,
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focusBackgroundColor = colors.gray,
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errorColor = colors.red,
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},
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}
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Config.load('multishell', config)
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local _colors = parentTerm.isColor() and config.color or config.standard
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local palette = parentTerm.isColor() and Blit.colorPalette or Blit.grayscalePalette
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local function redrawMenu()
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if not tabsDirty then
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os.queueEvent('multishell_redraw')
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tabsDirty = true
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end
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end
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function multishell.getFocus()
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local currentTab = kernel.getFocused()
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return currentTab.uid
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end
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function multishell.setFocus(tabId)
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return kernel.raise(tabId)
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end
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function multishell.getTitle(tabId)
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local tab = kernel.find(tabId)
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return tab and tab.title
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end
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function multishell.setTitle(tabId, title)
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local tab = kernel.find(tabId)
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if tab then
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tab.title = title
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redrawMenu()
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end
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end
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function multishell.getCurrent()
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local runningTab = kernel.getCurrent()
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return runningTab and runningTab.uid
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end
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function multishell.getTab(tabId)
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return kernel.find(tabId)
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end
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function multishell.terminate(tabId)
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os.queueEvent('multishell_terminate', tabId)
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end
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function multishell.getTabs()
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return kernel.routines
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end
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function multishell.launch(env, path, ...)
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-- backwards compatibility
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return multishell.openTab(env, {
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path = path,
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args = { ... },
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})
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end
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local function chain(orig, fn)
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if not orig then
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return fn
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end
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if type(orig) == 'table' then
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table.insert(orig, fn)
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return orig
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end
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return setmetatable({ orig, fn }, {
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__call = function(self, ...)
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for _,v in pairs(self) do
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v(...)
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end
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end
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})
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end
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function multishell.openTab(env, tab)
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if not tab.title and tab.path then
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tab.title = fs.getName(tab.path):match('([^%.]+)')
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end
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tab.title = tab.title or 'untitled'
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tab.window = tab.window or window.create(parentTerm, 1, 2, w, h - 1, false)
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-- require('opus.terminal').window(parentTerm, 1, 2, w, h - 1, false)
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tab.onExit = chain(tab.onExit, function(self, result, err, stack)
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if not result and err and err ~= 'Terminated' then
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self.terminal.setTextColor(colors.white)
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self.terminal.setCursorBlink(false)
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print('\nThe program terminated with an error.\n')
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if tonumber(err) then
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printError('Process exited with error code: ' .. err)
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elseif err then
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printError(tostring(err))
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end
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if type(stack) == 'table' and #stack > 0 then
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local _, cy = self.terminal.getCursorPos()
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local _, th = self.terminal.getSize()
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self.terminal.setTextColor(colors.white)
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if cy < th - 4 then
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print('\nstack traceback:')
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for _, v in ipairs(stack or { }) do
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_, cy = self.terminal.getCursorPos()
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if cy > th - 3 then
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print(' ...')
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break
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end
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print(v)
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end
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end
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end
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self.terminal.setTextColor(parentTerm.isColor() and colors.yellow or colors.white)
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_G.write('\nPress enter to close')
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self.isDead = true
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self.hidden = false
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redrawMenu()
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while true do
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local e, code = os.pullEventRaw('key')
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if e == 'terminate' or e == 'key' and code == keys.enter then
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break
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end
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end
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end
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end)
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local routine, message = kernel.run(env, tab)
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if routine then
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if tab.focused then
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multishell.setFocus(routine.uid)
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else
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redrawMenu()
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end
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end
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return routine and routine.uid, message
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end
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function multishell.hideTab(tabId)
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local tab = kernel.find(tabId)
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if tab then
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tab.hidden = true
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kernel.lower(tab.uid)
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redrawMenu()
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end
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end
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function multishell.unhideTab(tabId)
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local tab = kernel.find(tabId)
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if tab then
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tab.hidden = false
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redrawMenu()
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end
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end
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function multishell.getCount()
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return #kernel.routines
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end
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kernel.hook('kernel_focus', function()
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redrawMenu()
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end)
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kernel.hook('multishell_terminate', function(_, eventData)
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local tab = kernel.find(eventData[1])
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if tab and not tab.isOverview then
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if coroutine.status(tab.co) ~= 'dead' then
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tab:resume("terminate")
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end
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end
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return true
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end)
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kernel.hook('terminate', function()
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return kernel.getFocused().isOverview
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end)
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kernel.hook('multishell_redraw', function()
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tabsDirty = false
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local blit = Blit(w, {
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bg = _colors.tabBarBackgroundColor,
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fg = _colors.textColor,
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palette = palette,
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})
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local currentTab = kernel.getFocused()
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for _,tab in pairs(kernel.routines) do
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if tab.hidden and tab ~= currentTab then
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tab.width = 0
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else
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tab.width = #tab.title + 1
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end
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end
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local function width()
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local tw = 0
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Util.each(kernel.routines, function(t) tw = tw + t.width end)
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return tw
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end
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while width() > w - 3 do
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local tab = select(2,
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Util.spairs(kernel.routines, function(a, b) return a.width > b.width end)())
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tab.width = tab.width - 1
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end
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local function compareTab(a, b)
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if a.hidden then return false end
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return b.hidden or a.uid < b.uid
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end
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local tabX = 0
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for _,tab in Util.spairs(kernel.routines, compareTab) do
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if tab.width > 0 then
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tab.sx = tabX + 1
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tab.ex = tabX + tab.width
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tabX = tabX + tab.width
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if tab ~= currentTab then
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local textColor = tab.isDead and _colors.errorColor or _colors.textColor
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blit:write(tab.sx, tab.title:sub(1, tab.width - 1),
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_colors.backgroundColor, textColor)
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end
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end
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end
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if currentTab then
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if currentTab.sx then
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local textColor = currentTab.isDead and _colors.errorColor or _colors.focusTextColor
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blit:write(currentTab.sx - 1,
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' ' .. currentTab.title:sub(1, currentTab.width - 1) .. ' ',
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_colors.focusBackgroundColor, textColor)
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end
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if not currentTab.noTerminate then
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blit:write(w, closeInd, nil, _colors.focusTextColor)
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end
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end
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parentTerm.setCursorPos(1, 1)
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parentTerm.blit(blit.text, blit.fg, blit.bg)
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if currentTab and currentTab.window then
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currentTab.window.restoreCursor()
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end
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return true
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end)
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kernel.hook('term_resize', function(_, eventData)
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if not eventData[1] then --- TEST
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w,h = parentTerm.getSize()
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local windowHeight = h-1
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for _,key in pairs(Util.keys(kernel.routines)) do
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local tab = kernel.routines[key]
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local x,y = tab.window.getCursorPos()
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if y > windowHeight then
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tab.window.scroll(y - windowHeight)
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tab.window.setCursorPos(x, windowHeight)
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end
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tab.window.reposition(1, 2, w, windowHeight)
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end
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redrawMenu()
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end
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end)
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kernel.hook('mouse_click', function(_, eventData)
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if not eventData[4] then
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local x, y = eventData[2], eventData[3]
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if y == 1 then
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if x == 1 then
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multishell.setFocus(overviewId)
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elseif x == w then
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local currentTab = kernel.getFocused()
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if currentTab then
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multishell.terminate(currentTab.uid)
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end
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else
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for _,tab in pairs(kernel.routines) do
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if not tab.hidden and tab.sx then
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if x >= tab.sx and x <= tab.ex then
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multishell.setFocus(tab.uid)
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break
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end
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end
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end
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end
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return true
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end
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eventData[3] = eventData[3] - 1
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end
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end)
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kernel.hook({ 'mouse_up', 'mouse_drag' }, function(_, eventData)
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if not eventData[4] then
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eventData[3] = eventData[3] - 1
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end
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end)
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kernel.hook('mouse_scroll', function(_, eventData)
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if not eventData[4] then
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if eventData[3] == 1 then
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return true
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end
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eventData[3] = eventData[3] - 1
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end
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end)
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kernel.hook('kernel_ready', function()
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overviewId = multishell.openTab(_ENV, {
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path = 'sys/apps/shell.lua',
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args = { config.launcher or 'sys/apps/Overview.lua' },
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isOverview = true,
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noTerminate = true,
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focused = true,
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title = '+',
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onExit = function(_, s, m)
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if not s then
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kernel.halt(s, m)
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end
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end,
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})
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multishell.setTitle(overviewId, '+')
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multishell.openTab(_ENV, {
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path = 'sys/apps/shell.lua',
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args = { 'sys/apps/autorun.lua' },
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title = 'Autorun',
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})
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end)
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