tibia-client/modules/client_terminal/terminal.lua

281 lines
7.4 KiB
Lua

-- configs
local LogColors = { [LogDebug] = 'pink',
[LogInfo] = 'white',
[LogWarning] = 'yellow',
[LogError] = 'red' }
local MaxLogLines = 512
local LabelHeight = 16
local MaxHistory = 1000
local oldenv = getfenv(0)
setfenv(0, _G)
commandEnv = runinsandbox('commands')
setfenv(0, oldenv)
-- private variables
local terminalWindow
local terminalButton
local logLocked = false
local commandTextEdit
local terminalBuffer
local commandHistory = { }
local currentHistoryIndex = 0
-- private functions
local function navigateCommand(step)
local numCommands = #commandHistory
if numCommands > 0 then
currentHistoryIndex = math.min(math.max(currentHistoryIndex + step, 0), numCommands)
if currentHistoryIndex > 0 then
local command = commandHistory[numCommands - currentHistoryIndex + 1]
commandTextEdit:setText(command)
commandTextEdit:setCursorPos(-1)
else
commandTextEdit:clearText()
end
end
end
local function completeCommand()
local cursorPos = commandTextEdit:getCursorPos()
if cursorPos == 0 then return end
local commandBegin = commandTextEdit:getText():sub(1, cursorPos)
local possibleCommands = {}
-- create a list containing all globals
local allVars = table.copy(_G)
table.merge(allVars, commandEnv)
-- match commands
for k,v in pairs(allVars) do
if k:sub(1, cursorPos) == commandBegin then
table.insert(possibleCommands, k)
end
end
-- complete command with one match
if #possibleCommands == 1 then
commandTextEdit:setText(possibleCommands[1])
commandTextEdit:setCursorPos(-1)
-- show command matches
elseif #possibleCommands > 0 then
print('>> ' .. commandBegin)
-- expand command
local expandedComplete = commandBegin
local done = false
while not done do
cursorPos = #commandBegin+1
if #possibleCommands[1] < cursorPos then
break
end
expandedComplete = commandBegin .. possibleCommands[1]:sub(cursorPos, cursorPos)
for i,v in ipairs(possibleCommands) do
if v:sub(1, #expandedComplete) ~= expandedComplete then
done = true
end
end
if not done then
commandBegin = expandedComplete
end
end
commandTextEdit:setText(commandBegin)
commandTextEdit:setCursorPos(-1)
for i,v in ipairs(possibleCommands) do
print(v)
end
end
end
local function doCommand()
local currentCommand = commandTextEdit:getText()
executeCommand(currentCommand)
if commandTextEdit then
commandTextEdit:clearText()
end
return true
end
local function onLog(level, message, time)
-- avoid logging while reporting logs (would cause a infinite loop)
if logLocked then return end
logLocked = true
addLine(message, LogColors[level])
logLocked = false
end
-- public functions
function init()
terminalWindow = g_ui.displayUI('terminal')
terminalWindow:setVisible(false)
local poped = false
terminalWindow.onDoubleClick = function(self)
if poped then
self:fill('parent')
self:getChildById('bottomResizeBorder'):disable()
self:getChildById('rightResizeBorder'):disable()
poped = false
else
self:breakAnchors()
self:resize(g_window.getWidth()/2, g_window.getHeight()/2)
self:move(g_window.getWidth()/2, g_window.getHeight()/2)
self:getChildById('bottomResizeBorder'):enable()
self:getChildById('rightResizeBorder'):enable()
poped = true
end
end
terminalButton = modules.client_topmenu.addLeftButton('terminalButton', tr('Terminal') .. ' (Ctrl + T)', '/images/topbuttons/terminal', toggle)
g_keyboard.bindKeyDown('Ctrl+T', toggle)
commandHistory = g_settings.getList('terminal-history')
commandTextEdit = terminalWindow:getChildById('commandTextEdit')
g_keyboard.bindKeyPress('Up', function() navigateCommand(1) end, commandTextEdit)
g_keyboard.bindKeyPress('Down', function() navigateCommand(-1) end, commandTextEdit)
g_keyboard.bindKeyPress('Ctrl+C',
function()
if commandTextEdit:hasSelection() or not terminalSelectText:hasSelection() then return false end
g_window.setClipboardText(terminalSelectText:getSelection())
return true
end, commandTextEdit)
g_keyboard.bindKeyDown('Tab', completeCommand, commandTextEdit)
g_keyboard.bindKeyDown('Enter', doCommand, commandTextEdit)
g_keyboard.bindKeyDown('Escape', hide, terminalWindow)
terminalBuffer = terminalWindow:recursiveGetChildById('terminalBuffer')
terminalSelectText = terminalWindow:recursiveGetChildById('terminalSelectText')
g_logger.setOnLog(onLog)
g_logger.fireOldMessages()
end
function terminate()
g_settings.setList('terminal-history', commandHistory)
g_keyboard.unbindKeyDown('Ctrl+T')
g_logger.setOnLog(nil)
terminalWindow:destroy()
terminalButton:destroy()
commandEnv = nil
end
function hideButton()
terminalButton:hide()
end
function toggle()
if terminalWindow:isVisible() then
hide()
else
show()
end
end
function show()
terminalWindow:show()
terminalWindow:raise()
terminalWindow:focus()
end
function hide()
terminalWindow:hide()
end
function disable()
terminalButton:hide()
g_keyboard.unbindKeyDown('Ctrl+T')
end
function addLine(text, color)
-- delete old lines if needed
local numLines = terminalBuffer:getChildCount() + 1
if numLines > MaxLogLines then
terminalBuffer:getChildByIndex(1):destroy()
end
-- create new line label
local label = g_ui.createWidget('TerminalLabel', terminalBuffer)
label:setId('terminalLabel' .. numLines)
label:setText(text)
label:setColor(color)
terminalSelectText:setText(terminalSelectText:getText() .. '\n' .. text)
end
function executeCommand(command)
if command == nil or #command == 0 then return end
logLocked = true
g_logger.log(LogInfo, '> ' .. command)
logLocked = false
local func
local err
-- detect terminal commands
local command_name = command:match('^([%w_]+)[%s]*.*')
if command_name then
local args = string.split(command:match('^[%w]+[%s]*(.*)'), ' ')
if commandEnv[command_name] and type(commandEnv[command_name]) == 'function' then
func = function() modules.client_terminal.commandEnv[command_name](unpack(args)) end
end
end
-- detect and convert commands with simple syntax
local realCommand
if string.sub(command, 1, 1) == '=' then
realCommand = 'print(' .. string.sub(command,2) .. ')'
else
realCommand = command
end
-- reset current history index
currentHistoryIndex = 0
-- add new command to history
if #commandHistory == 0 or commandHistory[#commandHistory] ~= command then
table.insert(commandHistory, command)
if #commandHistory > MaxHistory then
table.remove(commandHistory, 1)
end
end
-- add command line
--addLine(">> " .. command, "#ffffff")
-- load command buffer
if not func then
func, err = loadstring(realCommand, "@")
-- check for syntax errors
if not func then
g_logger.log(LogError, 'incorrect lua syntax: ' .. err:sub(5))
return
end
end
-- setup func env to commandEnv
setfenv(func, commandEnv)
-- execute the command
addEvent(function()
local ok, ret = pcall(func)
if ok then
-- if the command returned a value, print it
if ret then print(ret) end
else
g_logger.log(LogError, 'command failed: ' .. ret)
end
end)
end
function clear()
terminalBuffer:destroyChildren()
terminalSelectText:setText('')
end