LuaRT 2.1.0

LuaRT v2.1.0 (Sept 11 2025)

Highlights

• New hardware modules : cpu, power, and wifi
• New data serialization format modules : xml and yaml
• Improved asynchronous Task operations and scheduling
• ui module is no more integrated to desktop interpreters
• Lua VM updated to 5.4.8
• LuaRT binaries and setup files are now digitally signed
• Various additions and bugfixes

Lua VM

• Updated to Lua VM to 5.4.8

rtc

• New: -L option to specify a new search path for Lua modules
• Updated: Link only the correct module dll (either the static or dynamic version)
• Fixed: static linking is more reliable now

LuaRT C API

• New: lua_taskcount() function to get current total Tasks count
• Updated: lua_pushtask() now returns the pointer to the newly created Task struct
• Updated: lua_schedule() now returns a boolean value

sys module

• New: Task.priority, Task.timeout and Task.expiredproperties
• New: Task.pause() and Task.resume() methods
• New sys.idleThreshold property to adjust the task scheduler cpu usage
• Updated: waitall() now accepts to wait on the provided Tasks and gathers all results
• Updated: Improved Task scheduler with faster Task switching and lower CPU charge
• Fixed: Errors in Task are now correctly propagated when waiting
• Fixed: Getting an integer value from a sys.COM property or method won't crash anymore

module

• New cpu module to get CPU information and manage process priority.
• Various CPU properties cpu.usage, cpu.cores, cpu.threads, cpu.name, cpu.vendor, cpu.clock, cpu.currentclock, cpu.features, cpu.priority and cpu.cache
• New cpu:prefetch() method to prefetch a Lua string into the cache.

power module

• New power module to manage power state and battery information.
• Power information properties with power.battery, power.plugged
• Various functions to manage power mode : power:hibernate(), power:sleep(), power:hold(), power:unhold() and power:displayoff()
• Power events power.onPlugged(), power.onSuspend(), power.onResume() and power.onBatteryLow()

wifi module

• wifi:scan() method to scan for available Wi-Fi networks.
• wifi:connect() and wifi:disconnect() methods to manage Wi-Fi connections.
• Various Wi-Fi network properties : wifi.name , wifi.connected, wifi.quality, wifi.mac and wifi.channel
• wifi.onConnected() and wifi.onDisconnected() events.

xml module

• New xml module to parse and write XML strings and files.
• New xml.Node object to manipulate XML nodes.
• xml.encode() method to encode a string to xml.Node.
• xml.load() and xml.save() methods for loading/saving xml.Node from/to file.

yaml module

• New yaml module to convert YAML form/to Lua tables
• yaml.decode() and yaml.encode() methods for YAML strings.
• yaml.load() and yaml.save() methods for YAML files.
• Support for placeholder substitution with {{variable}} syntax.
• yaml.null readonly property to represent a YAML null value.

net module

• New: net.urlencode() method to encode a string as a valid URL
• Updated: Socket.recv() now returns a Buffer object instead of a string

json module

• Fixed: json.load() now closes the file correctly

serial module

• Fixed: Port.rts property now accepts `"on"`` value
• Fixed: Port.bytesize now returns the correct value
• Fixed: Port.write(), Port.read() and Port.readline() won't crash anymore

webview module

• Updated: Webview module updated to support new standalone ui module

canvas module

• New: Canvas.capture() method to save a snapshot of the Canvas
• Updated: Canvas module updated to support new standalone ui module
• Fixed: Canvas mouse events are now fired correctly
• Fixed: Canvas:onPaint() event will keep throwing even if the parent window shows/hides

ui module

• New: ui.task and ui.mainWindow properties
• Updated: ui module is now standalone
• Updated: ui module now throws a Task to update the event loop constantly
• Updated: ui.run() is deprecated and will be removed (replaced by ui.mainWindow and ui.task)
• Fixed: Better ui responsiveness
• Fixed: Picture.save() method now uses the correct format from file extension
• Fixed: Sizes of widgets are now fixed when the text is empty
• Fixed: Checking a Checkbox widget won't draw a selection rect anymore
• Fixed: ui.info(), ui.warn(), ui.confirm() and ui.msg() now put the owner Window to modal state

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LuaRT 2.0.1

LuaRT v2.0.1 (June 08 2025)

Highlights

• Bugfix release for LuaRT 2.0.0
• New onThemeChange method for Window and Webview widgets

RTBuilder

• Fixed some ui glitches, but the problem may still occur at times (still investigating)
• Fixed various themes related bugs
• Fixed Window loading bug
• Fixed cursor property bug
• Fixed widget name bug with non authorized characters

net module

• Http requests with 204 status code won't return an error anymore

serial module

• Fixed: Writing to serial port won't crash anymore

ui module

• New: Window:onThemeChange() event when the Windows theme have been changed
• Fixed: Events for Window maximize/restore/minimize are now fired as expected
• Fixed: "raw" styled Window not returns correct width and height values
• Fixed: Windows graphical bugs when switching themes have been fixed
• Updated Notepad.wlua example with the new onThemeChange() event
• Fixed: Window.childs property won't crash anymore
• Fixed: notepad.wlua example to take in count Windows theme changes

webview module

• New: Webview:onThemeChange() event when the Windows theme have been changed
• Updated YouTube.wlua example to take in count Windows theme changes

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LuaRT 2.0.0

LuaRT v2.0.0 (May 10 2025)

Highlights

• Static compilation : no more lua54.dll dependency even with Lua binary modules
• New serial module for asynchronous serial communications
• Various community reported suggestions and bug fixes

LuaRT C API

• New lua54-static.lib to build static Lua 5.4 binary modules without lua54.dll dependency
• New RTSTATIC define for static compilation
• Updated: lua_toBuffer() renamed to lua_pushBuffer()

LuaRT interpreters

• luart-static and wluart-static interpreters can now load static binary modules suffixed by -static.dll
• luart-static and wluart-static interpreters don't include net and crypto modules anymore

RTBuilder

• Fixed: Putting a Canvas or Webview widget inside a Panel won't crash RTBuilder anymore

rtc

• New: sys.File() and sys.Directory now uses embedded files and directories first for compiled scripts.
• Updated: static compiled executables can now embed and load Lua binary modules (linked with lua54-static.lib and suffixed by -static.dll)
• Updated: rtc now displays more information during compilation
• Updated: wrtc now supports static linking of binary modules
• Updated: static compiled executables can now load Lua 5.4 binary modules suffixed by -static.dll
• Updated: arg[0] now contains the current executable fullpath for compiled scripts
• Fixed: sys.File() won't crash anymore for embedded files

serial module

• New module for serial communications
• New Port object supporting asynchronous COM ports operations with Tasks, and fine control for baud rate, parity, stop bits, etc.

embed module

• New: embed.Directory object to access directories from embedded content

sys module

• New: COM object can now be indexed by any of its constant values
• Updated: sys\word.lua example updated with the new COM object constants indexing
• Fixed: Pipe:read() won't wait indefinitely if the running process exits
• Fixed: Datetime:interval() now returns correctly rounded values
• Fixed: Setting Datetime properties now updates/normalizes correctly its internal date/time representation

compression module

• Fixed: Zip.async.extract() works now correctly
• Fixed: Zip entries now can use either \ or / separator characters for paths
• Fixed: Zip:extract() won't fail anymore when extracting directories

console module

• New: console:show() and console:hide() methods
• New: console.visible property
• Updated: console.read() argument is now optional, defaulting to 1

C module

• Updated: Struct can now use multidimensional array members in signature
• Fixed: C.Library() now can load embedded DLL files as expected
• Fixed: Struct values can now be initialized with another Struct value
• Fixed: Any Lua C Object can now be used as C pointer

net module

• New: Http:patch()method for PATCH HTTP requests
• Updated: Http:put(), Http:delete() and Http:patch() now takes a second parameter to set the body content of the request
• Updated: sys.Buffer can now be used to set HTTP requests body content

sysutils module

• Fixed: sysutils.user won't include a terminal \0 character anymore
• Updated: sysutils.shellexec() now waits for the child process to terminate before returning

ui module

• Updated: ui.theme value now changes when the user changes the Windows theme setting
• Updated: Button.hastext property now remembers last Button size
• Updated: Mouse events will now have their x,y mouse position corrected with current DPI
• Fixed: Windows can now be closed using ALT+F4
• Fixed: Tab widget now draws correctly when changing Tab font properties
• Fixed: Groupbox now draws correctly and adapts to the parent background color
• Fixed: Button size is now correct when setting a button icon
• Fixed: Widget.font property changes now the Widget font as expected
• Fixed: Changing Edit width will now adapt the text input area

canvas module

• New Image:drawsub() method to draw a part of an image with new example subimage.wlua
• New Canvas:onMouseWheel() event for detecting mouse wheel rotation
• Fixed: Canvas:measure() won't leak memory anymore

webview module

• Updated: URL starting by "file:///" now search the resource on the current directory, and if not found, search in the embedded content
• Updated: Webview.cdp property is now read/write, allowing to set a Chrome DevTools Protocol callback function for events
• New: Webview\Chrome DevTools Protocol\event.wlua example
• Fixed: Webview:show(), Webview:hide() and Webview.visible now update Webview state correctly

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LuaRT 1.9.5

LuaRT v1.9.5 (March 16 2025)

Highlights

• Bugfix release for LuaRT 1.9.0 with some user requested updates
• Completely rewritten Webview widget, with ability to set options, to use Chrome DevTools Protocol and printing support
• Updated dependencies for less bugs (miniaudio, miniz and Kuba zip library)

rtc

• Updated: rtc now supports submodules linking and requiring from the generated executable

QuickRT

• Fixed: Indentation for structured statements works now as expected

C module

• New: C.Library() now can load embedded DLL files
• Fixed: size_t should now be correctly handled
• Fixed: Struct can now be passed as C function argument by value
• Fixed: C functions can now return lightuserdata to be used as Struct contructor parameter

sys module

• Updated: Pipe.read() now take an optional delay parameter to wait for before starting reading
• Updated: String conversion from Buffer now provides the full buffer (with its entire size) as a string
• Fixed: Buffer won't over-read anymore with "base64" encoding (Fixes #242)
• Fixed: Pipe:read() won't enter an infinite loop anymore if the process is terminated, but will return nil instead (Fixes #241)

compression module

• Updated: miniz updated to 3.0.2 with lots of bug fixes
• Updated: kuba zip library to 0.3.3 with lots of bug fixes
• Zip compression/decompression is now less prone to bugs

sqlite module

• Fixed: removed debugging console output in Database.query() and Database.exec()

json module

• Fixed: json.encode() function now escapes double quoted strings correctly

audio module

• Updated: audio module now uses latest miniaudio v0.11.22
• Updated: record.start() won't throw an error anymore, and will now return a boolean value indicating if the operation succeeded or not

ui module

• Fixed: ui module won't consume too much CPU time now (Fixes #243)
• New: Window.startmoving() method to initiate a drag and move operation (even for "raw" windows)

webview module

• New Webview.cdp property for Chrome DevTools Protocol support
• New Webview.print() and Webview.printPDF() methods to print Webview content
• Updated: Webview.eval() now returns two values : a boolean indicating if the operation succeeded and the result as a JSON string
• Updated: Full rewrite of Webview widget
• Updated: Webview constructor now takes a table as second argument instead of a string, to set url and options

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LuaRT 1.9.0

Highlights

• New C module for C FFI (foreign functions interface)
• New keyboard module to read or send keys
• New sysutils module for various Windows functionalities, including Process launch and control
• LuaRT now uses the latest Lua 5.4.7 VM
• Drag and drop operations are now implemented in desktop applications (text and file list format)
• Better Windows clipboard support (text and file list format)
• Record sounds with various encodings in audio module
• Compiled executables with rtc can now embed and use DLL dependencies seamlessly
• Faster Tasks scheduling
• Faster canvas module with lots of bugfixes

LuaRT interpreter

• Console luart.exe and desktop wluart.exe interpreters now use latest Lua 5.4.7 VM

LuaRT Studio

• Updated: LuaRT Studio is now using the LuaRT 1.9.0 toolchain
• Fixed: Task function can now be debugged (Fixes #237)

rtc

• New: sys.File() constructor now checks for files embedded in the compiled executable if they do not exist
• Updated: DLL binary modules dependencies are now resolved transparently in the embedded content
• Fixed: sleep() now waits for the provided delay to elapse in compiled executables (Fixes #226)

QuickRT

• New: QuickRT uses now an asynchronous loop, to use Task instances and any other asynchronous functions
• Fixed: Objets are now correctly pretty printed (Fixes #221)

RTBuilder

LuaRT C API

• New: lua_wait() to wait for a Task to finish from the C side
• New: lua_throwevent() to launch a new ui event when implementing third party widgets
• New: lua_update() to set an update C function during Task scheduling
• Updated: lua_pushTask() now push a Task with the provided continuation C function and starts it, with a context and optional cleanup lua_CFunction

C module

• New C module for foreign functions interface (FFI)
• Still a work in progress (bugs may occur)
• Call C functions directly from Lua using Library object and functions prototypes definition
• Define C data structures with Struct and Union objects
• Automatic type conversion between Lua and C types with Value object
• Manipulate C pointers with the Pointer object
• Use C arrays as if you were using Lua tables with the Array object

sysutils module

• New sysutils module that provides various system utility functions and properties
• New Process object to start and manage a new process

keyboard module

• New keyboard module with keyboard management functions and properties
• Get keyboard status, wait for keypress asynchronously, bind Lua functions to key presses
• Send virtual key presses to any Windows application

debug module

• New debug.settaskhook() function to set debug hook for all new Tasks

string module

• New: string.normalize() function to replace accentued characters by non accentued ones in a string

sys module

• New: Buffer.encoding property to specify an encoding value, to be used when converting the Buffer to a string
• New: sys.locale property to get/set current locale for Datetime format and error messages from sys.error and net.error
• New: COM objects now support calling items-like properties to access sub items (as Range, Cells and so on...)
• New: File:copytask() and Directory:copytask() methods to copy files and directories asynchronously (without blocking)
• Updated: sys.clipboard property now returns the kind of clipboard data and its content
• Updated: File:copy() and Directory:copy() now returns a booleanvalue indicating if the operation succeeded or not
• Updated: Pipe:read() now returns both stderr and stdout output (Pipe:readerror() have been removed)
• Fixed: Task.after is now called even if the Task returns no result (Fixes #233)
• Fixed: Task switching is now faster (Fixes #210)
• Fixed: Task objects don't cause memory leaks anymore (Fixes #209)
• Fixed: errors thrown inside a running Task don't cause a PANIC: unprotected error in call to Lua API error anymore (Fixes #228)
• Fixed: COM objects methods now uses more than one argument (Fixes #205)

console module

• Fixed: Using an unknown color with console.bgcolor, console.color, console.clear() and console.writecolor() won't crash anymore (Fixes #211)
• Fixed: Console.x and Console.y properties now return a correct cursor position (Fixes #212)

compression module

• New: Zip.async.extractall() and Zip.async.extract() to extract ZIP archives asynchronously

crypto module

• Fixed : Cipher.constructor() won't crash anymore if the mode parameter is invalid

net module

• New: property Http.content to get the current response content

ini module

• Updated : INI property names and values are now trimmed

json module

• Fixed : JSON numbers are now correctly parsed (Fixes #217)
• Fixed : json.decode() don't unescape escaped characters from json strings (Fixes #227)

webview module

• New : Webview.useragent property to get/set the user agent string

sqlite module

• Fixed : module functions query() and exec() now set column values correctly (Fixes #234)

canvas module

• New: canvas:onMouseDown(), canvas:onMouseUp() events
• Updated : Changing canvas.bgcolor() don't clears the canvas anymore
• Updated : canvas.begin() and canvas.flip() are now required before and after drawing content in event and Tasks.
• Updated: canvas.onPaint() event is now called constantly, providing faster drawing operations
• Updated: Image.draw() and Image.drawrect() now accept an image interpolation mode argument
• Removed: canvas.sync property have been removed
• Removed : canvas.map() function has been removed
• Removed : canvas.onLeave() event has been removed
• Fixed: Canvas dpi support don't use wrong pixel coordinates anymore but DIP instead (Fixes #224)
• Fixed: Canvas rendering is now way faster (Fixes #207)
• Fixed: Canvas widget don't blinks anymore when parent Windows goes fullscreen (Fixes #206)
• Fixed: LinearGradient, RadialGradient and Image objects are now drawn correctly when the Canvas is resized
• Fixed: Canvas:fillrect()and Canvas:fillroundrect() won't crash anymore if the brush parameter is omitted (Fixes #236)

audio module

• New: audio.playdevice and audio.recdevice properties to set/get the current playback and record devices
• New: audio.devices property to enumerate audio devices
• New: audio.record.start() and audio.record.stop() methods to record and encode audio
• Updated: Sound.play() now returns a Task that will complete once the sound has finished playing.
• Removed: audio.device property have been removed.

ui module

• New: Window.notify() to send Windows toast notifications
• New: ui.drag() function to start a drag and drop operation
• New: allowdrop property to set the widget as a drop target
• New: onDrop() event, thrown when the user dropped the mouse on the widget
• New: Edit.hscroll() and Edit.vscroll() horizontal and vertical scrolling functions
• New: Edit.mousepos property to get the nearest character position from the current mouse screen coordinates
• New: ui.selectdir() uses the previous shell directory selection dialog
• Removed: Edit.scroll() method have been removed (replaced by the vscroll() and hscroll() methods)
• Updated: GUI events are now thrown asynchronously as Tasks
• Updated: ui events responsiveness have been increased (as seen in the examples\ui\balls.wlua)
• Updated: ui.dirdialog() now uses modern folder selection dialog
• Updated: onHover() events now provides a third argument for mouse button status
• Updated: cursor property now can be set/can return nil in case no cursor is displayed
• Fixed: GUI won't freeze anymore when calling sleep() inside an event handler (Fixes #232)
• Fixed : Panel:onLeave() event if now thrown as expected (Fixes #231)
• Fixed : Edit.cursor now changes the cursor as expected (Fixes #228)
• Fixed : Groupbox.parent property now returns Tab intead of TabItem (Fixes #225)
• Fixed: ui.opendialog() and ui.savedialog() don't uses old Windows 3.1 theme anymore (Fixes #223)
• Fixed: Calendar widget now supports dark mode (Fixes #218)
• Fixed: Combobox won't draw white background in dark mode anymore (Fixes #202)
• Fixed: Using Entry widget in dark mode won't crash application anymore (Fixes #201)
• Fixed: Picture.resize() now works as expected (Fixed #213)
• Fixed: Label.textalign property now is respected when Label text is changed (Fixes #208)

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LuaRT 1.8.0

LuaRT v1.8.0 (May 15 2024)

⚠️ May 21 Update : Binaries have been updated to fix dark theme bugs that prevent LuaRT installation on Windows 10 prior 17763

Highlights

• ❗ Warning : Windows versions older than 8.1 are no more supported
• This release focuses on the ui module, bringing modern Desktop Windows functionnalities :
  • Windows dark and light themes (requires Windows 10+)
  • Theme switching depends on Windows system setting, and can be changed programmatically during runtime
  • Seamless HighDPI support
  • Widgets are now double buffered better user experience
  • Parent widgets/windows can now list all their childs widgets
  • Monitors enumeration

LuaRT interpreter

• Updated: The Runtime error window when an error occurs with wluart.exe now uses the current Windows theme

LuaRT Studio

• New: Theme selection is now available in the new Edit\Preferences\Theme menu
• New: DarkDefault and LightDefault themes
• Fixed: Themes now applies to the left pane too (Projects/Symbols)
• Fixed: Better dark mode autodetection for Windows 10/11

rtc

• Updated: wrtc has been updated to support HighDPI
• Updated: When requiring for an embedded Lua or binary modules, rtc now uses package.path and package.cpath to conform to Lua search path
• Fixed: Changing executable icon with -i option updates immediately in Windows explorer

RTBuilder

• New: Option to switch to dark/light theme

LuaRT C API

• New: lua_uigetinfo() to get current dpi and theme
• New: luaL_checkDirname() to get the fullpath of a Directory object on the stack
• New: lua_regparentwidget() and lua_regparentwidgetmt() to register parent widgets

LuaRT documentation

• Fixed: ui.rtl documentation is now available
• Updated: now the documentation contains all new LuaRT 1.8.0 changes

sys module

• Fixed: sys.cmd() now returns false if the command fails (fixes #187)

string module

• New: string.split() function to split a string in substrings using a separator

canvas module

• New: Canvas widget updated to support double buffering and HighDPI

webview module

• New: New event Webview.onFullScreenChange() when the current HTML page ask for fullscreen switch
• New: Webview can now access "file:///" resources from embedded content if available

ui module

• New: Window and other widgets now supports HighDPI (runtime change of DPI not yet supported)
• New: Widgets now uses double buffering
• New ui.dpi property that returns current dpi scale
• New ui.theme and ui.systheme properties for dark/light Windows themes management
• New ui.monitors property to retrieve the list of current connected displays
• New ui.windows property to get a list of all created Windows
• New Window.transparency property to get/set Window's degree of transparency
• New Window.monitor property to get the monitor on which the Window is located
• New Window.parent to retrieve the parent Window
• New Window.childs, Groupbox.childs, TabItem.childs and Panel.childs properties to get a list of childs widgets
• New Edit.border, List.border and Tree.border properties to show/hide the widget's border
• New Edit.scroll() method to scroll the Edit content vertically
• New: Tree.readonly property to prevent any TreeItem editing by the user
• Updated: Resizing Picture widget now uses cubic interpolation for better image quality
• Updated : Widgets position and size properties now take count of the current DPI scale
• Fixed: Combobox.tooltip property now shows its tooltip as expected (Fixes #179)
• Fixed: Picture:load() now uses correct parameter for the height argument (Fixes #185)
• Fixed: Edit.selection.visible now shows/hides selection as expected

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LuaRT 1.7.1 (Bugfix)

LuaRT v1.7.1 Bugfix release (Jan 26 2024)

LuaRT interpreter

• Updated: Now LuaRT uses an arg table implementation closer to PUC Lua :
• arg[2] => command line argument at position 2
• arg[1] => command line argument at position 1
• arg[0] => The executing script path (or nil in case of a compiled executable)
• arg[-1] => The current executable ("luart.exe", "wluart.exe", or the compiled executable file)
• Fixed: Errors from command line switch -e are now thrown as expected (Fixes #176)

LuaRT Updater

• Fixed: LuaRT Updater now downloads updates correctly (Fixes #168)

LuaRT Studio

• Fixed: Running scripts with arguments now set the arg table correctly

QuickRT

• Fixed: Can't change values of a global variable defined in another environment (using loadfile() for example)
• Fixed: QuickRT exits when printing custom userdata

rtc

• Fixed: wrtc error message "no input file" fixed (Fixes #172)
• Updated: rtc now use LuaRT 1.7.1 arg table

RTBuilder

• Fixed: RTBuilder won't crash anymore when changing current Window name
• Fixed: Shortcuts CTRL+O and CTRL+S work now as expected
• Fixed: Changing the Tab.selected property in inspector shows the selected TabItem
• Fixed: Assigning icon to TreeItem now works as expected
• Updated: Setting an icon in the TreeItems editor will switch the Tree.style property to "icons" in inspector window
• Updated: RTBuilder now uses LuaRT 1.7.1 arg table
• Updated: RTBuilder windows are not topmost anymore

LuaRT documentation

• Updated: now the documentation contains all new LuaRT 1.7.1 changes

sys module

• Fixed: Calling COM object methods with nil argument won't crash the program anymore (Fixes #177)
• Fixed: COM method or property returning a COM Nothing value won't crash the program anymore (Fixes #173)
• Fixed: Task that returns a boolean or number value will crash the program when calling the Task.after function (Fixes #175)

ui module

• Fixed: TreeItem:loadicon() now load icon correctly (Fixes #170)
• Fixed: Tab:onSelect() event is now fired when the property Tab.selected is set (Fixes #171)
• Fixed: Tab key can now be used to navigate between widgets inside a Panel or TabItem (Fixes #174)

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LuaRT 1.7.0

LuaRT v1.7.0 (Jan 05 2024)

Highlights

• This release introduces RTBuilder, a new GUI RAD tool to design LuaRT desktop interfaces using ui module
• Lots of bugs have been fixed, especially for the ui module, the rtc compiler and the LuaRT Studio IDE

LuaRT toolchain

• Updated: MSVC builds now use better optimizations for faster execution
• Fixed: rtcheck won't propose to update for an inferior version now (Fixes #167)

rtc

• New: rtc now accepts mutiple files (the first one will be considered the main script)
• Updated: -l option now search for modules in the current directory too
• Fixed: Errors thrown by any compiled executables now mention source file and error line (Fixes #5)

LuaRT Studio

• Updated: LuaRT Studio is now using the LuaRT 1.7.0 toolchain
• Fixed: Debugger will now pause once a breakpoint is hit inside an ui event function, when using a Task to update the GUI
• Fixed: Output panel bug with Unicode input/output fixed
• Fixed: require of modules using init.lua from compiled executable is now working as expected
• Fixed: Setting project arguments won't add a blank space to the first argument anymore

Examples

• New: balls_demo.wlua example for canvas module

sys module

• Fixed: Task:cancel() won't try to close an already closed Task
• Fixed: sys.cmd() now returns true in LuaRT Studio as expected (Fixes #155)
• Fixed: File:write() method now flush data to disk when the file is a standard stream (Fixes #165)

ui module

• New: Window constructor now takes a first optional argument to provide a parent Window
• New: Window:restore() method
• New: Window.topmost property
• New: Window.onMaximize(), Window.onMinimize() and Window.onRestore() events
• New: Tree.items property can now be indexed by integer value, returning the TreeItem in numerical order from the first TreeItem to the last one
• New: Tree.items property is now iterable with the each() iterator
• New: TreeItem.index property to get the numerical order of the TreeItem in the Tree
• Updated: Setting Entry.text property now moves the caret at the start Updated: Setting the Calendar.date property from a string is now possible
• Fixed: Treeitem: Loadicon() won't fail to load a new icon after having removed the previous one (Fixes #160)
• Fixed: Providing a filename without extension in ui.savedialog() now returns correct filename when using multiple filters (Fixes #166)
• Fixed: Window keyboard shortcuts now execute binded Lua functions as expected (Fixes #162)
• Fixed: After Progressbar construction, Progressbar.themed returns true now as expected (Fixes #154)
• Fixed: Canvas.fontstyle now returns a string value as expected (Fixes #164)
• Fixed: Third party widgets now use initial size/position when the align property is set to nil (Fixes #158)
• Fixed: Widget:center() method now work as expected inside a Groupbox (Fixes #163 and #153)
• Fixed: Window.height returns now the correct value and a Window.menu property is set (Fixes #161)
• Fixed: Setting Edit.font property now preserve the current foreground color (Fixes #159)

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LuaRT 1.6.0

LuaRT v1.6.0 (Nov 26 2023)

Highlights

• This release focuses on fixing many bugs in the ui module, to prepare for the launch of the LuaRT GUI builder
• It also offers many suggestions proposed by LuaRT users
• New: ini module to convert from/to Windows INI configuration file from/to Lua table
• New: Panel widget that can contain other child widgets
• New: New tool rtcheck.exe to check/install LuaRT updates

LuaRT toolchain

• Updated: Using require() to load .wlua files is now possible
• New: New tool rtcheck.exe to check/install LuaRT updates
• Fixed: rtc compiled executables with embedded modules can have now multiple running instances (Fixes #124)
• Fixed: QuickRT now pretty prints correctly Object values (Fixes #9).
• Fixed: wluart.exe don't crash anymore in case of error (Fixes #121)
• Fixed: wluart.exe errors are now shown, without the empty "Runtime error" message box (Fixes #123)

LuaRT Studio

• Updated: LuaRT Studio is now using the LuaRT 1.6.0 toolchain
• New: New Check for LuaRT update command in File menu
• New: New toolbar icon for the "Analyze" command
• Updated: Help menu now contains links related to LuaRT webiste
• Fixed: Debugging a script that contains a call to the Task:wait() method won't crash the program anymore (Fixes #20)
• Fixed: Clicking on the "stop" button will now really stop the running program (Fixes #19)

QuickRT

• Updated: QuickRT now uses LuaRT 1.6.0 runtime (Lua 5.4.6 VM)
• Fixed: interacting with ui widgets and windows won't hang the GUI anymore
• Fixed: Pretty printing of LuaRT Object is now fixed

LuaRT documentation

• Updated: now the documentation contains all new LuaRT 1.6.0 changes, and a lot of fixes
• Fixed: Canvas documentation for transformations methods are now published as expected

Examples

• Updated: net\download.lua hides now the cursor during downloading
• Updated: ui\notepad.wlua can now open *.rtf files
• Fixed: net\server.wlua now shows text as expected
• Fixed: Syntax highlighting fixed in ui\zoom.wlua

sys module

• Updated: Faster Task switching in internal scheduler providing more responsiveness
• Updated: sys.cmd() now has a third argument to specify whether the launched process is a standalone one or a child process
• Fixed: Setting a number COM property value don't cause an error anymore when using a string (Fixes #113)
• Fixed: COM objects don't crash once garbage collection/program exit (Fixes #116)
• Fixed: Datetime:interval() now returns a to...from interval as expected (Fixes #114)

console module

• Fixed: console.reset() now resets cursor height too

net module

• Fixed: Http object can now send new requests without crashing (Fixes #149)

ui module

• New: Panel widget that can contain other child widgets
• New: Edit.rtf property to set Rich Text Format mode without loosing content
• Updated: Edit.richtext property now set/get the current Edit content in Rich Text Format
• Updated: Setting Edit.text property won't scroll the content to the bottom anymore
• Updated: Autosized widgets now conforms more with Windows UI standards
• Updated: Widget.align now remembers last widget position and size
• Updated: Widget.bgcolor property now returns nil if bgcolor was not previously set, meaning the widget uses the parent background color
• Updated: List.selected, Tree.selected and Combobox.selected can now be set to nil to unselect current selection
• Fixed: Examples using Edit.color instead of Edit.fgcolor since LuaRT 1.5.0 are now fixed
• Fixed: Label.bgcolor and Label.fgcolor cannot be set when Label is inside a TabItem (Fixes #119)
• Fixed: ui.run() Task won't run indefinitely anymore in some cases
• Fixed: Groupbox child widgets events now provides the correct self (Fixes #125)
• Fixed: Tab.cursor property don't set cursor for TabItems, only on the tabsheet part (Fixes #134)
• Fixed: Tab don't align TabItems correctly when setting the Tab.align property (Fixes #128)
• Fixed: Widget background color may not be drawn correctly (Fixes #127)
• Fixed: Clicking on a List blank space unselects the current selected item (Fixes #143)
• Fixed: Deleting a Treeitem may crash the program (Fixes #137)
• Fixed: Entry is still focused when ENTER/RETURN key is pressed (Fixes #135)
• Fixed: Groupbox does not dispatch the onClick() event to its child widgets as expected (Fixes #147)
• Fixed: Window:maximize() does not work on first display (Fixes #142)
• Fixed: Picture:load() don't adjust image to Picture alignment (Fixes #132)
• Fixed: Label.textalign returns "center" instead of "right" when text alignement was previously set to right (Fixes #139)
• Fixed: Widgets property tooltip returns incorrect or empty string (Fixes #138)
• Fixed: Centering a Widget with the center() method in a Window with a status bar resulting in a vertical position too far up (Fixes #146)
• Fixed: Picture:load() don't adjust image to Picture alignment (Fixes #132)
• Fixed: Progressbar.fgcolor and Progressbar.bgcolor return wrong 0x000000 colors in non themed mode (Fixes #131)
• Fixed: ui.opendialog() and ui.savedialog() should not change current directory (Fixes #133)
• Fixed: Clicking on a MenuItem without an onClick event handler should not throw a runtime error (Fixes #145)
• Fixed: ListItem:loadicon() TabItem:loadicon() ComboItem:loadicon() and TreeItem:loadicon() don't remove icon when called with a nil value (Fixes #129)
• Fixed: Setting Edit.text property don't work when Edit.richedit is set to true (Fixes #130)
• Fixed: Edit:load() and Edit:save() methods don't closes the file (Fixes #148)

webview module

• New: Webview.acceleratorkeys property
• Updated: Webview:eval() now returns a Task that will be finished once the Javascript engine has returned the result
• Updated: Webview:onResult() event removed due to the eval() rework
• Updated: hostfromfolder() now allows local resource access when using loadstring()
• Fixed: Compiling Webview module won't throw library missing errors anymore

json module

• New: json.load() and json.save() to load/save lua table from/to a JSON file
• Fixed : json.encode() failed memory allocation fixed (Fixes #117)
• Fixed : json.encode() now encodes Lua "null" values to JSON null (Fixes #118)

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LuaRT 1.5.2

LuaRT v1.5.2 Bugfix (Sept 16 2023)

LuaRT installer

• Fixed: now the LuaRT installer window will always show over other windows.

LuaRT toolchain

• Updated: rtc now prevents access to embedded content from generated executables.
• Fixed: LuaRT can now be built with mingw-w64 compiler again (Fixes #105)

LuaRT documentation

• Updated: now the documentation contains all new LuaRT 1.5.0 (and later) changes
• Fixed: Checking for a Widget instance won't throw a "((null)) instance expected, found..." anymore

LuaRT C API

• New: lua_gettask() function to get the current executing Task.

sys module

• Fixed: Getting COM enumeration property value don't crash anymore (Fixes #104)

Asynchronous programming

• Fixed: Calling sleep() from a compiled script don't cause a fatal error anymore (Fixes #103)

ui module

• New: Progressbar.themed property (as a side effect the isthemed constructor parameter is no more used).
• New: Button.textalign, and Entry.textalign properties.
• New: example filelist.wlua that implements an explorer-like List widget.
• Updated: ui.run() function now returns a Task object that will update the GUI asynchronously.
• Updated: bgcolor and fgcolor properties now returns the default color instead of nil.
• Updated: Edit.selection.color renamed to Edit.selection.fgcolor for consistency.
• Updated: Edit.color renamed to Edit.fgcolor for consistency.
• Fixed: ui.colordialog() and ui.fontdialog() now return a RGB color value as expected (Fixes #111)
• Fixed: Tab.onMouseUp() and Tab.onMouseDown() events are now fired when the mouse is over the entire Tab (Fixes #108)
• Fixed: Setting List.selected property now ensures the selected item is visible (Fixes #107)
• Fixed: Label.bgcolor now renders the Label background correctly (Fixes #102)
• Fixed: Picture constructor now uses the width and height parameters as expected (Fixes #106)
• Fixed: Picture transparency bug fixed when inside a Tab (Fixes #100)
• Fixed: List now redraws correctly when resized (Fixes #110)
• Fixed: Label.textalign property now behave as expected (Fixes #99)

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