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windont/windont-shell.lua Normal file
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local windont = require "windont"
windont.default.alwaysRender = false
local scr_x, scr_y = term.getSize()
local keysDown = {}
local instances = {}
local knownNames = {
["rom/programs/shell.lua"] = "CraftOS Shell",
["rom/programs/edit.lua"] = "Edit",
["rom/programs/gps.lua"] = "GPS",
["rom/programs/shutdown.lua"] = "Shutdown",
["rom/programs/monitor.lua"] = "Monitor Redirect",
["rom/programs/emu.lua"] = "Emu (CCEmuX)",
["rom/programs/exit.lua"] = "Goodbye!",
["rom/programs/lua.lua"] = "Lua Interpreter",
["rom/programs/fun/adventure.lua"] = "Adventure",
["rom/programs/fun/worm.lua"] = "Worm",
["rom/programs/fun/dj.lua"] = "DJ",
["rom/programs/fun/hello.lua"] = "Hello world!",
["rom/programs/turtle/dance.lua"] = "Dance!",
["rom/programs/turtle/craft.lua"] = "Craft",
["rom/programs/turtle/excavate.lua"] = "Excavate",
["rom/programs/turtle/refuel.lua"] = "Refueling...",
["rom/programs/turtle/go.lua"] = "Go (Turtle)",
["rom/programs/turtle/turn.lua"] = "Turn (Turtle)",
["rom/programs/http/pastebin.lua"] = "Pastebin",
["rom/programs/http/wget.lua"] = "Wget",
["rom/programs/pocket/falling.lua"] = "Falling",
["rom/programs/rednet/chat.lua"] = "Chat",
["rom/programs/rednet/repeat.lua"] = "Rednet Repeat",
["rom/programs/command/exec.lua"] = "Exec (Command)",
["rom/programs/command/commands.lua"] = "Commands",
}
-- events that can only be passed if the instance is focused
local FocusEvents = {
["mouse_click"] = true,
["mouse_drag"] = true,
["mouse_up"] = true,
["key"] = true,
["key_up"] = true,
["char"] = true,
["monitor_touch"] = true,
["paste"] = true,
-- mouse_scroll is intentionally excluded
}
-- events that must have their XY values altered according to the position of the window
local CoordinateEvents = {
["mouse_click"] = {3, 4},
["mouse_drag"] = {3, 4},
["mouse_up"] = {3, 4},
["mouse_scroll"] = {3, 4}
}
local desktop = windont.newWindow(1, 1, scr_x, scr_y, {
backColor = "9"
})
local overlay = windont.newWindow(1, 1, scr_x, scr_y, {
backColor = "-"
})
desktop.redraw()
local newInstance = function(x, y, width, height, program, pName, addBorder)
local output = {}
if addBorder then
output.mainWindow = windont.newWindow(x, y, width, height + 1, {
baseTerm = desktop,
alwaysRender = false,
backColor = "7"
})
output.termWindow = windont.newWindow(1, 2, width, height, {
baseTerm = output.mainWindow,
alwaysRender = true,
})
else
output.mainWindow = windont.newWindow(x, y, width + 2, height + 2, {
baseTerm = desktop,
alwaysRender = false,
backColor = "7"
})
output.termWindow = windont.newWindow(2, 2, width, height, {
baseTerm = output.mainWindow,
alwaysRender = true,
})
end
local mw = output.mainWindow -- contains the titlebar, and is the base terminal for termWindow
local tw = output.termWindow -- contains the program's terminal output
-- pausing will probably be implemented later
output.paused = false
output.timeMod = 0
output.clockMod = 0
output.timers = {}
output.alive = true
output.focused = true
output.title = pName or (type(program) == "string" and (knownNames[fs.combine("", program)] or fs.getName(program))) or tostring(program)
output.writeTitleBar = function()
mw.setCursorPos(1, 1)
if output.focused then
mw.setTextColor(colors.white)
else
mw.setTextColor(colors.lightGray)
end
mw.setBackgroundColor(colors.gray)
mw.clearLine()
if #output.title <= (mw.meta.width - 4) then
mw.write(output.title) -- write full title
else
mw.write(output.title:sub(1, mw.meta.width - 7) .. "...") -- draw abreviated title
end
mw.setCursorPos(mw.meta.width - 3, 1)
mw.write(" \22\94\215") -- minimize / maximize / close
end
if type(program) == "string" then
output.main = function()
tw.clear()
return shell.run(program)
end
elseif type(program) == "function" then
output.main = program
end
--local env = {}
--setmetatable(env, {__index = _G})
--setfenv(output.main, env)
output.coroutine = coroutine.create(output.main)
output.cFilter = nil
for i = 1, #instances do
instances[i].focused = false
end
table.insert(instances, 1, output)
return output
end
local render = function()
local wins = {}
for i = 1, #instances do
wins[i] = instances[i].mainWindow
end
windont.render({force = true}, table.unpack(wins))
windont.render({}, overlay, desktop)
end
local instanceBoxCheck = function(i, x, y)
return (
x < 1 or x > instances[i].termWindow.meta.width or
y < 1 or y > instances[i].termWindow.meta.height
)
end
local resumeInstance = function(i, _evt, isCoordinateEvent)
local evt = {}
for k,v in pairs(_evt) do
evt[k] = v
end
if CoordinateEvents[evt[1]] then
evt[3] = evt[3] - instances[i].mainWindow.meta.x + instances[i].termWindow.meta.x
evt[4] = evt[4] - instances[i].mainWindow.meta.y + instances[i].mainWindow.meta.y - 1
isCoordinateEvent = true
end
repeat
if (isCoordinateEvent and not instanceBoxCheck(i, evt[3], evt[4])) then
break
end
oldTerm = term.redirect(instances[i].termWindow)
success, result = coroutine.resume(instances[i].coroutine, table.unpack(evt))
term.redirect(oldTerm)
if success then
instances[i].cFilter = result
else
instances[i].alive = false
end
until true
end
local main = function()
newInstance(3, 3, 20, 10, "rom/programs/shell.lua", nil)
newInstance(8, 5, 20, 10, "rom/programs/shell.lua", nil)
local evt, success, result, oldTerm
local cx, cy
local isCoordinateEvent
local usedCoordinateEvent
local usingUI = false -- if true, cannot send events to instances. Only set to true when interacting with the UI
-- handles input system
local keyTimer = os.startTimer(0.05)
while true do
evt = {coroutine.yield()}
if evt[1] == "key" and not evt[3] then
keysDown[evt[2]] = 0
elseif evt[1] == "key_up" then
keysDown[evt[2]] = nil
end
if evt[1] == "timer" and evt[2] == keyTimer then
keyTimer = os.startTimer(0.05)
for k,v in pairs(keysDown) do
keysDown[k] = v + 0.05
end
-- move windows with arrow keys (for now)
if keysDown[keys.right] then
desktop.clear()
instances[1].mainWindow.reposition(instances[1].mainWindow.meta.x + 1, instances[1].mainWindow.meta.y)
end
if keysDown[keys.left] then
desktop.clear()
instances[1].mainWindow.reposition(instances[1].mainWindow.meta.x - 1, instances[1].mainWindow.meta.y)
end
if keysDown[keys.up] then
desktop.clear()
instances[1].mainWindow.reposition(instances[1].mainWindow.meta.x, instances[1].mainWindow.meta.y - 1)
end
if keysDown[keys.down] then
desktop.clear()
instances[1].mainWindow.reposition(instances[1].mainWindow.meta.x, instances[1].mainWindow.meta.y + 1)
end
else
usedCoordinateEvent = false
isCoordinateEvent = false
for i = 1, #instances do
instances[i].writeTitleBar()
if (not usingUI) and (instances[i].cFilter == evt[1] or instances[i].cFilter == "terminate" or (not instances[i].cFilter)) then
if (instances[i].focused or not FocusEvents[evt[1]]) then
resumeInstance(i, evt, isCoordinateEvent)
if CoordinateEvents[evt[1]] then
usedCoordinateEvent = true
end
else
if (not instances[i].focused) and (evt[1] == "mouse_click") then
if not usedCoordinateEvent then
instances[i].focused = true
instances[1].focused = false
resumeInstance(1, evt, isCoordinateEvent)
end
end
end
end
end
end
-- check for dead instances
for i = #instances, 1, -1 do
if not instances[i].alive then
if instances[i].focused then
if instances[i - 1] then
instances[i - 1].focused = true
elseif instances[i + 1] then
instances[i + 1].focused = true
end
end
table.remove(instances, i)
desktop.clear()
end
end
-- make sure the focused window is on top
for i = 1, #instances do
if instances[i].focused then
instances[i], instances[1] = instances[1], instances[i]
break
end
end
render()
end
end
main()