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FlightGear Newsletter June 2014: Difference between revisions
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As long as you use the MapStructure framework, all layers can be easily used in dialogs AND instruments<br><br>Coding-wise, there isn't too much involved these days, all the details are covered in the MapStructure article. | As long as you use the MapStructure framework, all layers can be easily used in dialogs AND instruments<br><br>Coding-wise, there isn't too much involved these days, all the details are covered in the MapStructure article. | ||
[[File:Map-canvas-mapstructure-performance.png|thumb|stress-testing [[MapStructure]] using the ufo @ KSFO circling at 2000 kts in a climb, see [http://forum.flightgear.org/viewtopic.php?f=71&t=21509&p=211611#p211611] ]] | |||
Now that Hyde has committed Philosopher's latest changes, I'd be interested in getting some more feedback on performance. | |||
Here, I am using the ufo @ksfo circling in a shuttle climb at >= 2000 kts GS and getting roughly 30 fps and 40-60 ms. | |||
The recent GUI work committed by TheTom means that we can phase out the PUI map-canvas.xml dialog and create the whole dialog procedurally using a native canvas window, because we really only need two types of widgets: buttons and checkboxes, which are both supported now, thanks to the new [[Aircraft Center]]. | |||
We're also in the process of turning our map-canvas.xml dialog into a generic, and reusable, widget for $FG_ROOT/Nasal/canvas/gui/widgets - the widget is using the new Layout engine to align other widgets (checkboxes & buttons for now). And one of our goals is to also modernize airports.xml (the airport selection dialog) such that it can use MapStructure. The simplest way would be to simply turn the PUI CanvasWidget into a Canvas.Window() so that layouting etc works as expected, and so that we can simply show the new scripted MapWidget there. | |||
[[ | <gallery mode=packed> | ||
Native Canvas MapWidget Dialog.png|Native Canvas MapWidget dialog using just Canvas Widgets, the Map has been turned into a Canvas Widget itself, so that it can be easily embedded in other dialogs (obviously the whole thing still needs to be cleaned up, layouting isn't currently used yet). See [http://forum.flightgear.org/viewtopic.php?f=71&t=23391&p=213435#p213435] | |||
Native Canvas MapWidget Dialog Prototyping.png|More Canvas/MapWidget prototyping. See [http://forum.flightgear.org/viewtopic.php?f=71&t=23391&p=213435#p213435] | |||
MapStructure dialog with clipping and event handling applied.png|Screen shot showing TheTom's modified demo dialog with a [[MapStructure]] based map that has clipping and event handling applied, i.e. can respond to common mouse events in order to either display tooltips or support drag&drop-style GUI dialogs for editing map-like displays, e.g. for creating an [[Advanced weather]] GUI[http://forum.flightgear.org/viewtopic.php?f=71&t=17642]. Particular care must be taken to formalize z-index handling (rendering priority) for each MapStructure layer, which is something we still need to work out, especially for possibly overlapping symbols... | |||
MapStructure-based Weather Editor Widget for Canvas using interactive and editable lcontroller files.png|This screen shot shows an experimental MapStructure-based Weather Editor Widget for [[Canvas]] using interactive and editable lcontroller files that respond to GUI events so that map symbols can be interactively placed on a map. | |||
The legacy PUI-airport selection dialog using the new Canvas MapWidget.png|This is a screen shot showing Stuart's PUI/XML based airport selection dialog with an embedded Canvas MapWidget that is driven by Philosopher's [[MapStructure]] framework using TheTom's latest GUI/Layouting changes (e.g. checkbox widgets). | |||
</gallery> | |||
{{Newsletter-article-start|Boeing 777 EFB prototype|By [[User:I-NEMO|I-NEMO]]}} | {{Newsletter-article-start|Boeing 777 EFB prototype|By [[User:I-NEMO|I-NEMO]]}} | ||