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Old 03-07-2012, 11:22   #1
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Plugin Development Question

Is this the right forum for developer/programming questions related to
the source code of opencpn or plugin development?

Question:
Is there a way, (from a plugin) to query/get current display chart's path on disk.
(path to the KAP file)?

/Pelle
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Old 03-07-2012, 14:13   #2
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Re: Plugin development question?

It is certainly the right forum. Not 100% sure if it answers your question, but check out GetChartDatabaseEntryXML in pluginmanager.cpp
/j
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Old 03-07-2012, 15:06   #3
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Re: Plugin development question?

pelle2004...

Welcome. Always happy to have new developers come aboard. Got your patch in Flyspray. Thanks.

To answer your question: No. No-one has yet seen the need for this API. However, it is a good time to extend the OpenCPN PlugIn API right now, since we will very soon start the 3.1 Beta cycle.

In quilt mode, there are multiple charts open. Which displayed chart do you mean? Do you want a list?


Anyway, if we can understand what you need as far as the identification of one or all charts currently on-screen, we should be able to implement something useful.

Thanks
Dave
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Old 04-07-2012, 02:00   #4
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Re: Plugin Development Question

Hi Everyone!

Thanks for a very nice software!
Good functionality and an excellent way of adding plugins.

The GetChartDatabaseEntryXML is very useful. Then all you only need to know
is what index(s) are currently visible.

Something like

int GetIndexOfVisibleDatabaseEntryXML( int *indexArray, int size, bool flag );
// indexArray: Array of index values of curently visible open charts in quilt mode.
// size: len of indexArray
// flag: Sort by cursor position .....??
// return: Number of entries in indexArray

First entry in 'indexArray' would be the one under the cursor.
If you then add a context menu item from a plugin you can easyly get all the chart info by a right click.

Maybe some flags are need.

PS. Looking forward for the upcoming 3.1 and if I see an opportunity to contribute I will.

/Thanks!
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