de38157916
Calls to updateValues can cause nested calls invalidating the char* passed as argument, if retrieved from a SGPropertyNode. Probably SGPropertyNode should also be modified to return a std::string instead of a pointer to an internal buffer.
78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
// dialog.hxx - XML-configured dialog box.
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#ifndef __DIALOG_HXX
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#define __DIALOG_HXX 1
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#include <string>
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// forward decls
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class SGPropertyNode;
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/**
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* An XML-configured dialog box.
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*
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* The GUI manager stores only the property tree for the dialog
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* boxes. This class creates a PUI dialog box on demand from
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* the properties in that tree. The manager recreates the dialog
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* every time it needs to show it.
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*/
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class FGDialog
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{
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public:
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/**
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* Destructor.
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*/
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virtual ~FGDialog ();
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/**
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* Update the values of all GUI objects with a specific name,
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* or all if an empty name is given (default).
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*
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* This method copies values from the FlightGear property tree to
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* the GUI object(s).
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*
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* @param objectName The name of the GUI object(s) to update.
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* Use the empty name for all objects.
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*/
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virtual void updateValues(const std::string& objectName = "") = 0;
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/**
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* Apply the values of all GUI objects with a specific name,
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* or all if an empty name is given (default)
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*
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* This method copies values from the GUI object(s) to the
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* FlightGear property tree.
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*
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* @param objectName The name of the GUI object(s) to update.
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* Use the empty name for all objects.
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*/
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virtual void applyValues(const std::string& objectName = "") = 0;
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/**
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* Update state. Called on active dialogs before rendering.
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*/
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virtual void update () = 0;
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protected:
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/**
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* Construct a new GUI widget configured by a property tree.
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*
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* The configuration properties are not part of the main
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* FlightGear property tree; the GUI manager reads them
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* from individual configuration files.
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*
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* @param props A property tree describing the dialog.
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*/
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FGDialog (SGPropertyNode * props);
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private:
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};
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#endif // __DIALOG_HXX
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