[Qgis-developer] question on Adding plugin to qgis

[Tim Sutton]

Hi

Note there is a script in src/plugins/plugin_builder.pl that will
generate a plugin template for you that is all ready for your own
customisations.

If you do folow the approach you took of cloning an existing plugin,
be sure to modify configure.in too to make sure it gets built. The
plugin builder script does this all for you.

Regards

Tim

On 5/30/06, humarco <marco.hugentobler at karto.baug.ethz.ch> wrote:
> Hi nitin,
>
> Am Montag 29 Mai 2006 10:18 schrieb nitin quick:
> > Hello Everybody,
> > I am currently using qgis0.7.9 downloaded from svn installed on FC4.
> > I need to add plugin to qgis which will display direction of wind.
> > NorthArrow Plugin provides similar functionality. So i did make copy of
> > that code put my Cock.png file path in place of north_arrow in a new folder
> > named Cock in src/plugins/. I changed the code a bit ( north_arrow to Cock
> > , just change of name). and addition in configure script similar o existing
> > code. Now my questions are:
> > i). Am i doing correect for adding a new plugin? Is it good way or there is
> > scope of improvement which i think will be?
> > ii) Is it required to compile Qgis fully to make my plugin functionable .
> > Is there any way where i can only compile new plugin code and link it
> > dynamiclly.
>
> There is nothing wrong in creating new plugins by looking how existing ones
> work. If you also copied and adapted the auto* stuff of the NorthArrow
> plugin, then your plugin should be built together with qgis. But it is not
> required to compile the whole qgis for your plugin. You may just compile the
> sources of your plugin into a shared library without building qgis from
> source. All you need for it is the qt and qgis headers and of course you need
> to link the plugin to the qgis libraries (libgui, libraster, ...).
>
> > iii)For adding plugin menu to GUI we are using code ..
> >
> >     qGisInterface->addPluginMenu(tr("&Decoration"),myQActionPointer);
> >   what does "&Decoration" signify here.
>
> "Decoration" is the name of the menu entry (and Control-D the shortcut for it)
>
> > Any suggestions on any study material or tutorial which will help me in
> > designing plugin are welcome. I am currently reading  source code to do so.
>
> On the qgis wiki, there are several articles about plugin programming:
>
> http://wiki.qgis.org/qgiswiki/DevelopersCorner#head-3709e61959139ab8995e0542a9ad930c2d17090a
>
> section 'Help on writing plugins'
>
> Marco
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-- 
Tim Sutton

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