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Howto:Implementing a simple GCA system: Difference between revisions
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Howto:Implementing a simple GCA system (view source)
Revision as of 10:12, 20 August 2017
, 20 August 2017→GUI frontend
m (→GUI frontend: validate inputs at runtime) |
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Once the underlying script is working well enough, we can look into providing a configuration GUI on top of the script using the Canvas GUI library: | Once the underlying script is working well enough, we can look into providing a configuration GUI on top of the script using the Canvas GUI library: | ||
<syntaxhighlight lang="nasal"> | <syntaxhighlight lang="nasal"> | ||
var (width,height) = (320, | var (width,height) = (320,450); | ||
var title = 'GCA Dialog '; | var title = 'GCA Dialog '; | ||
| Line 354: | Line 354: | ||
'Airport': func(input) { | 'Airport': func(input) { | ||
var match = airportinfo(input); | |||
if (match == nil or typeof(match) != 'ghost') return 1; | |||
return 0; | return 0; | ||
}, | }, | ||
| Line 381: | Line 385: | ||
}, | }, | ||
'TransmissionInterval': func(input) { | |||
return 0; | |||
}, | |||
' | 'TransmissionProperty': func(input) { | ||
return 0; | return 0; | ||
}, | }, | ||
| Line 390: | Line 397: | ||
var inputs = [ | var inputs = [ | ||
{text: ' | {text: 'Position root', default_value:'/position', focus:1, callback:nil, tooltip:'property path to position node', validate: 'AircraftRoot', convert:nil, unit: 'property path'}, | ||
{text: 'Airport', default_value:'KSFO', focus:0, callback:nil, tooltip:'ICAO ID, e.g. KSFO', validate: 'Airport', convert:nil, unit:'ICAO'}, | {text: 'Airport', default_value:'KSFO', focus:0, callback:nil, tooltip:'ICAO ID, e.g. KSFO', validate: 'Airport', convert:nil, unit:'ICAO'}, | ||
{text: 'Runway', default_value:'28R', focus:0, callback:nil, tooltip:'runway identifier, e.g. 28L', validate: 'Runway', convert:nil, unit:'RWY'}, | {text: 'Runway', default_value:'28R', focus:0, callback:nil, tooltip:'runway identifier, e.g. 28L', validate: 'Runway', convert:nil, unit:'RWY'}, | ||
| Line 401: | Line 408: | ||
{text: 'Touchdown Offset', default_value:'0.00', focus:0, callback:nil, tooltip:'touchdown offset', validate: 'TouchdownOffset', convert:nil, unit:'m'}, | {text: 'Touchdown Offset', default_value:'0.00', focus:0, callback:nil, tooltip:'touchdown offset', validate: 'TouchdownOffset', convert:nil, unit:'m'}, | ||
{text: 'Transmission interval', default_value:'5.00', focus:0, callback:nil, tooltip:'Controller/timer resolution', validate: 'TransmissionInterval', convert:nil, unit:'secs'}, | {text: 'Transmission interval', default_value:'5.00', focus:0, callback:nil, tooltip:'Controller/timer resolution', validate: 'TransmissionInterval', convert:nil, unit:'secs'}, | ||
{text: 'Transmission property', default_value:'/sim/messages/approach', focus:0, callback:nil, tooltip:'property to use for transmissions. For example: /sim/multiplay/chat', validate: 'TransmissionProperty', convert:nil, unit:'property'}, | |||
]; # input fields | ]; # input fields | ||
| Line 442: | Line 450: | ||
setupWidgetTooltip(widget:button, tooltip: "toggle GCA on/off"); | setupWidgetTooltip(widget:button, tooltip: "toggle GCA on/off"); | ||
myLayout.addItem(button); | myLayout.addItem(button);</syntaxhighlight> | ||
</syntaxhighlight> | |||
== Visualizing the Approach == | == Visualizing the Approach == | ||