What about a plugin application?

I all (it's been a long time!),
my question is as simple as wide:
how would you logically build an application if it has to be extensible by plugins, such as in order to get new functionalities by adding the plugin in a specific application folder.
For example, I'm asking for something like Photoshop or Firefox plugins.

Any sort of suggestion is appreciated.

Greetings,
Niki

Have you seen Qt's documentation on writing plugins? If not, I suggest you start there. There's a nice example of a simple pluggable image editor.

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Originally Posted by wysota

Have you seen Qt's documentation on writing plugins? If not, I suggest you start there. There's a nice example of a simple pluggable image editor.

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Yes, I gave it a look, but what I found was a chapter that talked about plugin widgets, as designer components...
could I ask you where is this example? I missed it...

The Lower-Level API: Extending Qt Applications
There is a link to Plug & Paint Example mentioned by wysota.

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Originally Posted by przemoc

The Lower-Level API: Extending Qt Applications
There is a link to Plug & Paint Example mentioned by wysota.

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Oooh, ok, thanks, I'll study on! ;)