Roadmap

This document gives an idea of the current status of the various parts of Lazarus and also helps new contributors to find a suitable place where they can help. It also shows the people implementing the various parts and the targets.

Note: This page refers to the LCL Interface portion (that talks to the backend toolkits) of the Lazarus Component Library. It does NOT reflect on the actual features of the individual GUI toolkits (eg: GTK2, GTK3, Qt, Qt5, Qt6, fpGUI etc)

General status of LCL interfaces

Current status of the various parts of Lazarus

Unit	Item	State	Target	Skills	Responsible	Comments
IDE	TCollection Editor	working	0.9.x	FCL, RTTI, IDE||-	A generic TCollection editor for the various TCollections in the LCL/FCL.
IDE	TActionList	working	0.9.x||-||-||-
IDE	Doc Editor	working||-	fpdoc||-	The doc editor will be an integrated fpDoc editor similar to fpde. It will be a process of its own, so that it can show help for dialogs as well. It should also be able to write help for packages.
IDE	Export LFM as xml	working||-||-||-	Load and save LFM files to XML.
IDE	Icon Editor Roadmap	in progress	post 1.0||-||-	A simple icon editor with the ability to create lrs files. It will be a good example and can help newbies to create icons for their components.
LCL	Borderspacing	working	0.9.x||-||-	for aligned controls
LCL	Drag&Drop	working	||-||-
LCL	Port to Darwin Power PC, macOS	working	0.9.x||-||-	depends on FPC 1.9.5
LCL	Port to macOS (x86)	working||-||-||-	depends on FPC 2.1.1
LCL	TSplitter	working	0.9.x	easy||-||-
LCL	TFindDialog	working||-||-||-	Implemented in 0.9.16
LCL	TReplaceDialog	working||-||-||-	Implemented in 0.9.16
LCL	TControl.Font	in progress	0.9.x||-||-||-
LCL	TTabControl	in progress	0.9.x||-||-||-
LCL	Docking (= the combination of forms)	partially working, in progress	post 1.0	deep LCL and interfaces	Mattias||-
LCL	TFrame (= forms as children)	working	0.9.28	deep knowledge of LCL	Mattias, Paul||-
IDE	Visual Form Inheritence	working	post 1.0	IDE	Mattias	Properties are not yet propagated to open descendants
LCL	MDI - Multiple Documents Interfaces Putting fo ...	in progress	1.2	deep LCL and interfaces	Zeljan	An MDI LCL emulator for widgetsets which does not support MDI, also native implementation of MDI for qt and win32/64. Currently only qt has full MDI support, others are in progress.
LCL	Palette support	not implemented||-||-||-	Required to correctly show colors on a 256 colors display
LCL	TCoolBar	partially working, in progress	post 1.0	LCL and anchoring	Juha||-
LCL	TControlBar	skeleton implementation to prevent errors in Delphi conversion, in progress	post 1.0	LCL and anchoring	Juha||-
LCL	TMaskEdit	working||-||-	Bart||-
LCL	TDirectoryTreeView	not implemented||-||-||-||-
LCL	Constrain maximization to specific area	not implemented||-	winapi, gtk||-	When maximizing a window, the left, top, width and height can all be constrained to a specific rectangular area on the screen/desktop. After this is done, constrain the source editor and maybe other windows
Components	TIcon	working	0.9.26||-	Marc||-
Components	CUPS Package	working	0.9.x	easy||-

Status of features on each LCL Interface

Component	win32	gtk	gtk2	carbon	qt/qt5/qt6	wince	fpgui	cocoa	customdrawn
Accelerator Keys	Working	Working	Partially Implemented	Partially Implemented	Working	Not Applicable	Not Implemented	Working	Not Implemented
Caret	Working	Working	Working	Working	Working	Unknown	Not Implemented	Working	Not Implemented
Clipboard	Working	Working	Working	Working	Working	Working	Not Implemented	Working	Implemented in Android
Cursors	Working	Working	Working	Working	Working	Working	Partially Implemented	Working	Not Implemented
Drag & Drop	Working	Working	Working	Partially Implemented	Working	Not Applicable	Not Implemented	Working	Not Implemented
Drop files event	Working	Working	Working	Partially Implemented	Working	Not Applicable	Not Implemented	Working	Not Implemented
MDI Support	Not Implemented	Not Implemented	Not Implemented	Not Implemented	Working	Not Implemented	Not Implemented	Not Implemented	Not Implemented
Printing	Working	Working	Working	Partially Implemented	Working	Unknown	Not Implemented	Not Implemented	Not Implemented
Regions	Working	Working	Working	Working	Working	Working	Partially Implemented	Partially Implemented	Working
TCustomControl descendents	Working	Working	Working	Partially Implemented	Working	Working	Working	Working	Working
Unicode Support	Working	Impossible to Implement	Working	Working	Working	Working	Working	Working	Working
BidiMode	Working	Not Implemented	Partially Implemented	Not Implemented	Working	Not Implemented	Not Implemented	Not Implemented	Not Implemented
Application	Working	Working	Working	Working	Working	Partially Implemented	Partially Implemented	Working	Working
TTimer	Working	Working	Working	Working	Working	Partially Implemented	Working	Working	Working
TApplication.QueueAsyncCall	Working	Unknown	Working	Unknown	Working	Unknown	Working	Working	Not Implemented
TThread.Synchronize	Working	Unknown	Working	Unknown	Working	Unknown	Working	Working	Not Implemented
PostMessage	Working	Unknown	Working	Working	Working||class=""unknown"|Unknown	Working	Working	Not Implemented
PostThreadMessage	Working	Unknown	Unknown	Unknown	Working	Unknown	Not Implemented	Unknown	Not Implemented

Status of Graphics on each LCL Interface

Component	win32	gtk	gtk2	carbon	qt/qt5/qt6	wince	fpgui	cocoa	customdrawn
TBitmap/TPixmap/TIcon/etc	Working	Working	Working	Working	Working	Working	Partially Implemented	Working	Working
TBrush	Working	Working	Working	Partially Implemented	Working	Working	Partially Implemented	Working	Working
TFont	Working	Working	Partially Implemented	Working	Working	Working	Partially Implemented	Working	Working
TPen	Working	Working	Working	Working	Working	Working	Partially Implemented	Working	Working
ExtTextOut	Working	Working	Working	Working	Working	Working	Working	Working	Working

Status of native controls on each LCL Interface

Native controls are TWinControl descendants which do not descend from TCustomControl.

Component	win32	gtk	gtk2	carbon	qt/qt5/qt6	wince	fpgui	cocoa	customdrawn
TBitBtn	Working	Working	Working	Working	Working	Working	Working	Working	Partially Implemented
TButton	Working	Working	Working	Working	Working	Working	Working	Working	Working
TCalendar	Working	Working	Working	Partially Implemented	Working	Working	Not Implemented	Working	Not Implemented
TCheckBox	Working	Working	Working	Working	Working	Working	Working	Working	Working
TCheckGroup	Working	Working	Working	Working	Working	Working	Working	Working	Not Implemented
TCheckListBox	Working	Working	Working	Working	Working	Working	Working	Working	Not Implemented
TComboBox	Working	Working	Working	Partially Implemented	Working	Working	Partially Implemented	Working	Implemented in Android
TEdit	Working	Working	Working	Working	Working	Working	Working	Working	Working
TForm	Working	Working	Working	Working	Working	Working	Working	Working	Working
TGroupBox	Working	Working	Working	Working	Working	Working	Working	Working	Working
TIdleTimer	Working	Working	Working	Working	Working	Working	Working	Working	Not Implemented
TImageList	Working	Working	Working	Partially Implemented	Working	Working	Not Implemented	Working	Not Implemented
TListBox	Working	Working	Working	Working	Working	Working	Working	Working	Not Implemented
TListView	Working	Working	Partially Implemented	Partially Implemented	Working	Working	Not Implemented	Working	Not Implemented
TMainMenu	Working	Working	Working	Working	Working	Working	Working	Working	Implemented in Android
TMemo	Working	Working	Working	Working	Working	Working	Working	Working	Working
TMenuItem	Working	Working	Working	Working	Working	Working	Working	Working	Implemented in Android
TPageControl and TTabSheet	Working	Working	Working	Working	Working	Working	Not Implemented	Working	Not Implemented
TPairSplitter	Working	Working	Working	Working	Working	Not Implemented	Working	Working	Not Implemented
TPanel	Working	Working	Working	Working	Working	Working	Working	Working	Working
TPopupMenu	Working	Working	Working	Working	Working	Working	Working	Working	Not Implemented
TProgressBar	Working	Working	Working	Working	Working	Working	Working	Working	Working
TRadioButton	Working	Working	Working	Working	Working	Working	Working	Working	Partially Implemented
TRadioGroup	Working	Working	Working	Working	Working	Working	Working	Working	Not Implemented
TScrollBar	Working	Working	Working	Working	Working	Working	Partially Implemented	Working	Partially Implemented
TScrollBox	Working	Working	Working	Partially Implemented	Working	Unknown	Partially Implemented	Working	Not Implemented
TSpinEdit	Working	Working	Working	Working	Working	Unknown	Not Implemented	Working	Partially Implemented
TSplitter	Working	Working	Working	Working	Working	Unknown	Partially Implemented	Working	Not Implemented
TStaticText	Working	Working	Working	Working	Working	Working	Working	Working	Working
TStatusBar	Working	Working	Working	Working	Working	Working	Not Implemented	Working	Not Implemented
TToggleBox	Working	Working	Working	Working	Working	Partially Implemented	Not Implemented	Working	Not Implemented
TTrackBar	Working	Working	Working	Working	Working	Working	Not Implemented	Working	Working
TTrayIcon	Working	Working	Working	Partially Implemented	Working	Not Implemented	Not Implemented	Working	Not Implemented

Status of dialogs on each LCL Interface

Component	win32	gtk	gtk2	carbon	qt/qt5	wince	fpgui	cocoa	customdrawn
LCLIntf.MessageBox	Working	Working	Working	Not Implemented	Working	Working	Working	Working	Implemented for Android
Application.MessageBox, MessageDlg, LCLIntf.PromptUser	Working	Working	Working	Working	Working	Working	Working	Working	Implemented for Android
LCLIntf.AskUser	Working	Working	Working	Working	Working	Working	Not Implemented	Working	Not Implemented
TColorDialog	Working	Working	Working	Working	Working	Not Implemented	Working	Working	Not Implemented
TFontDialog	Working	Working	Working	Working	Working	Not Implemented	Working	Working	Not Implemented
TOpenDialog	Working	Working	Working	Working	Working	Working	Working	Working	Not Implemented
TPrinterSetupDialog	Working	Working	Working	Not Implemented	Working	Not Implemented	Not Implemented	Not Implemented	Not Implemented
TSaveDialog	Working	Working	Working	Working	Working	Working	Working	Working	Not Implemented
TTaskDialog	Working	Unknown	Working	Working	Working	Unknown	Working	Working	Not Implemented

Status of TCustomControl based controls on each LCL Interface

Note that being a TCustomControl descendant does not guarantee that a control has no widgetset implementation. TArrow has it, although it has a good default implementation. TNotebook is fully implemented in the LCL.

Component	win32	gtk	gtk2	carbon	qt/qt5/qt6	wince	fpgui	cocoa	customdrawn
TArrow	Working	Working	Working	Working	Working	Working	Working	Working	Working
TNotebook	Working	Working	Working	Working	Working	Working	Not Implemented	Working	Working
TUpDown	Working	Working	Working	Working	Working	Partially Implemented	Working	Working	Partially Implemented
TStringGrid	Working	Working	Working	Partially Implemented	Working	Partially Implemented	Partially Implemented	Working	Partially Implemented
TDrawGrid	Working	Working	Working	Partially Implemented	Working	Unknown	Partially Implemented	Working	Partially Implemented
TToolBar	Working	Working	Working	Working	Working	Working	Not Implemented	Working	Not Implemented
TTreeView	Working	Working	Working	Partially Implemented	Working	Working	Not Implemented	Working	Not Implemented
TValueListEditor	Working	Working	Working	Partially Implemented	Working	Working	Partially Implemented	Working	Not Implemented

Status of TGraphicControl based controls on each LCL Interface

Note: These are for LCL wrapped components only, not for the specific GUI toolkit features itself.

Component	win32	gtk	gtk2	carbon	qt/qt5/qt6	wince	fpgui	cocoa	customdrawn
TBevel	Working	Working	Working	Working	Working	Partially Implemented	Working	Working	Not Implemented
TLabel	Working	Working	Working	Working	Working	Working	Working	Working	Implemented for Android
TShape	Working	Working	Working	Partially Implemented	Working	Partially Implemented	Working	Working	Working
TSpeedButton	Working	Working	Working	Working	Working	Unknown	Working	Working	Working
TPaintBox	Working	Working	Working	Working	Working	Unknown	Working	Working	Working
TImage	Working	Working	Working	Working	Working	Partially Implemented	Working	Working	Working

Status of LazDeviceAPIs on each widgetset

Component	customdrawn-android
Accelerometer	Working
Messaging (SMS, MMS and E-Mail)	SMS Implemented
PositionInfo	Working

See Also

• LCL Internals
• TAChart Roadmap
• Debugger Status

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From the Free Pascal wiki, page "Roadmap", as it stood on 2024-03-27 after a change by Bart, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.