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Added fgAddChangeListener convenience functions.

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This commit is contained in:
david 2002-06-18 03:27:21 +00:00
parent ee98995d30
commit dc132d80b1
2 changed files with 37 additions and 0 deletions
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13
src/Main/fg_props.cxx
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@ -702,6 +702,19 @@ fgHasNode (const char * path)
return (fgGetNode(path, false) != 0); return (fgGetNode(path, false) != 0);
} }
void
fgAddChangeListener (SGPropertyChangeListener * listener, const char * path)
{
fgGetNode(path, true)->addChangeListener(listener);
}
void
fgAddChangeListener (SGPropertyChangeListener * listener,
const char * path, int index)
{
fgGetNode(path, index, true)->addChangeListener(listener);
}
bool bool
fgGetBool (const char * name, bool defaultValue) fgGetBool (const char * name, bool defaultValue)
{ {

24
src/Main/fg_props.hxx
View file

@ -106,6 +106,30 @@ extern SGPropertyNode * fgGetNode (const char * path,
extern bool fgHasNode (const char * path); extern bool fgHasNode (const char * path);
/**
* Add a listener to a node.
*
* @param listener The listener to add to the node.
* @param path The path of the node, relative to root.
* @param index The index for the last member of the path (overrides
* any given in the string).
*/
extern void fgAddChangeListener (SGPropertyChangeListener * listener,
const char * path);
/**
* Add a listener to a node.
*
* @param listener The listener to add to the node.
* @param path The path of the node, relative to root.
* @param index The index for the last member of the path (overrides
* any given in the string).
*/
extern void fgAddChangeListener (SGPropertyChangeListener * listener,
const char * path, int index);
/** /**
* Get a bool value for a property. * Get a bool value for a property.
* *