Roadmap
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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.
Legend:
Working - Stable, most or all parts implemented.
Partially Implemented - Works, but has some features missing
In progress - Someone is working on this
Not Implemented - Nothing done, needs your help
Deprecated - Outdated, obsolete, usage not recommended for new projects
Unknown - Please review whether this component is working, and set its status here
General status of LCL interfaces
Unit | Item | State | Target | Backend | Responsible | Comments |
---|---|---|---|---|---|---|
GTK1 | Deprecated interface | working | 1.0 | Gtk | - | - |
GTK2 | Main Linux (and similar UNIXes) interface | working | 1.0 | Gtk2 | Zeljan | - |
GTK3 | Linux (and similar UNIXes) interface | progress | 1.4 | Gtk3 | Zeljan | Alpha state |
Win32 | Desktop Windows for both 32 and 64 bits | working | 1.0 | WinAPI | Paul Ishenin and Vincent | - |
Qt | The Qt4 interface | working | 1.0 | Qt and LCL | Zeljan | Depends on qt4 bindings |
Qt5 | The Qt5 interface | working | 1.8 | Qt5 and LCL | Zeljan | Depends on qt5 bindings |
Qt6 | The Qt6 interface | working | 2.4 | Qt6 and LCL | Zeljan | Depends on qt6 bindings |
WinCE | The Windows CE interface | working | 1.0 | Windows API and LCL | - | Depends on volunteers |
fpGUI | The fpGUI interface | in progress | no target | fpGUI and LCL | - | Depends on volunteers |
Carbon | The Carbon interface | stalled (deprecated) | 1.0 | Carbon and LCL | - | - |
Cocoa | The Cocoa interface | working | 2.6 - 2.8? | Cocoa and LCL | Dmitry | Depends on volunteers |
CustomDrawn | The CustomDrawn interface | in progress | no target | LCL, X11, Android NDK and SDK | - | Depends on volunteers |
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 | 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 |