Canvas widget matrix

This article is a stub. You can help the wiki by expanding it.

Canvas - the FlightGear 2D drawing API
Canvas - Main Page Canvas News - for the latest developments Shiva Alternatives - ongoing work for Core Profile support Canvas Efforts - projects using the Canvas system Canvas FAQs - frequently asked questions Canvas - Getting started Canvas Development (core) Canvas Troubleshooting (core) Canvas Sandbox (core) PUI2Canvas (PUI/XML Parser) Canvas GUI Canvas Widgets Canvas Maps Canvas Snippets
RFC
Canvas Instancing Howto:New Canvas Execution Model Canvas SVG Canvas Popout Windows Canvas Scenery Overlays
Frameworks
Canvas Map API (soon deprecated!) Canvas MapStructure Canvas MapStructure Layers MapStructure Snippets Canvas Radar Canvas Animation Framework (WIP) Canvas Plotting Framework (WIP) Canvas MFD Framework Canvas ND Framework Canvas PFD Framework Canvas MCDU Framework Canvas EFB Framework Canvas Wrappers Canvas Glass Cockpit Efforts
Tutorials
Howto:Getting started with Canvas Howto: Canvas Troubleshooting Howto:Adding a canvas to a GUI dialog (PUI!) Howto:Creating a Canvas GUI dialog file (New) Howto:Dynamic Liveries via Canvas (new) Howto:Creating a Canvas GUI Widget Howto:Add a 2D canvas instrument to your aircraft Howto:Parsing 2D Instruments using the Canvas Howto:Creating fullscreen Canvas applications Howto:Use SVG inside a Canvas Howto:Extend the Canvas SVG module Howto:Serializing a Canvas to SVG Howto:Canvas applications as Nasal submodules Howto:Using raster images and nested canvases Canvas HUD Howto:Project 3D to 2D coordinates on desktop canvas
Reference
Canvas Element Group Image Map Path Text Canvas Nasal API MessageBox Layout System Canvas GUI API Canvas draw library Event Handling
Related
Canvas Properties Unifying the 2D rendering backend via canvas Howto:Use a Camera View in an Instrument Howto:Extending Canvas to support rendering 3D models Howto:Extending Canvas to support MathGL
To be ported
Navigation display Map FGCanvas Canvas Nasal/JavaScript Subset
Deprecated by Canvas
Complex Glass Cockpit Avionics
(click on headings to toggle)

See Howto:Processing legacy PUI dialogs using Canvas for the main article about this subject.

This is intended to become a table with existing Canvas widgets, as well as a side-by-side comparison with PUI widgets to list missing features, progress/completion status, including links to all relevant resources (docs, source code pointers)

• fgdata/Nasal/canvas/gui/widgets/Button.nas
• fgdata/Nasal/canvas/gui/widgets/CheckBox.nas
• fgdata/Nasal/canvas/gui/widgets/Label.nas
• fgdata/Nasal/canvas/gui/widgets/LineEdit.nas (editable text box)
• fgdata/Nasal/canvas/gui/widgets/ScrollArea.nas (for scrollable content)

PUI widget	Priority	Canvas widget	Remarks
<hrule>/<vrule>	not critical	Not implemented
<list>		Not implemented	list, combo and select should probably be tackled together, there's plenty of common/similar functionality
<airport-list>		Not implemented	trivial using navdb APIs and ScrollArea with buttons/labels for each entry and a corresponding event handler Howto:Processing_legacy_PUI_dialogs_using_Canvas#Use_Case:_airports.xml
<property-list>		Not implemented	Property Browser, rough prototype exists already, basically mapping 3 props.nas APIs to a ScrollArea with buttons for each property/node, allowing the tree to be travsersed interactively
<input>		LineEdit
<text>		Label
<checkbox>		Checkbox
<radio>		Not implemented
<button>		Button
<map>		Not implemented, see also Canvas MapStructure	Howto:Creating_a_Canvas_GUI_Widget#Implementing_a_Map_widget
<canvas>		Not needed (for obvious reasons)	While we don't necessarily need a canvas widget, we need to map the PUI widget to a corresponding equivalent, i.e. an embedded Canvas with its own scripting block to animate the whole thing Howto:Processing_legacy_PUI_dialogs_using_Canvas#Embedded_Canvas
<combo>		Not implemented	list, combo and select can be unified
<slider>		Not implemented	can be implemented as a button with drag'n drop support, placed between two outer buttons in the form of [<] [button] [>]
<dial>		Not implemented
<textbox>		LineEdit and/or Label
<select>		Not implemented	list, combo and select can be unified
<waypointlist>		Not implemented	trivial using navdb APIs and ScrollArea with buttons
<loglist>		Not implemented	needs SGLOG logstream exposed via Nasal/CppBind
No equivalent		ScrollArea	serves as the generic building block for any PUI list-type (waypoints/airports) with labels/buttons added for each entry shown