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Canvas widgets: Difference between revisions
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Switch to {{flightgear source}} to fix the broken Gitorious links (and updated the line numbers).
(Switched to {{readme file}} to remove the out of date and broken Gitorious links.) |
(Switch to {{flightgear source}} to fix the broken Gitorious links (and updated the line numbers).) |
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{{Feedback}} | {{Feedback}} | ||
* We also need a function which parses existing dialog xml files (reimplementing | * We also need a function which parses existing dialog xml files (reimplementing {{flightgear source|path=src/GUI/FGPUIDialog.cxx|line=854|text=FGPUIDialog.cxx/FGPUIDialog::makeObject}}) and maps them to the new canvas widgets. Each widgets sits in is own Nasal file (eg. inside [[$FG_ROOT]]/Nasal/canvas/gui/widgets) and has to be implemented using a hash with several required functions, implementing the abstract interface of a widget: [[Howto:Creating a Canvas GUI Widget]]. | ||
Also, we are currently able to reload the GUI in FlightGear, we will want to retain this feature. But once we start implementing widgets in Nasal, we won't just want to reload the GUI XML files, but also the widget modules from $FG_ROOT/Nasal/widgets, so that widgets can be easily developed and tested, without having to restart FG. | Also, we are currently able to reload the GUI in FlightGear, we will want to retain this feature. But once we start implementing widgets in Nasal, we won't just want to reload the GUI XML files, but also the widget modules from $FG_ROOT/Nasal/widgets, so that widgets can be easily developed and tested, without having to restart FG. | ||
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* {{readme file|gui}} | * {{readme file|gui}} | ||
* | * {{flightgear source|path=src/GUI/FGPUIDialog.cxx|line=856|text=Supported Widget Types}} | ||
The '''parsegui''' function parses a dialog xml file and calls the constructor of the corresponding widget. | The '''parsegui''' function parses a dialog xml file and calls the constructor of the corresponding widget. | ||