[Geany-devel] Question about using scintilla to create a simple debug plugin

[Lai Hoang Nam]

Hi,

I'm trying to create a simple debug plugin for Geany and I want to work with
the markers.
In fact, I tried to create a marker in the plugin_init and delete it in the
plugin_cleanup:

#define SSM(m, w, l) scintilla_send_message(sci, m, w, l)
...
void plugin_init(GeanyData *data) {
    ScintillaObject* sci = document_get_current()->editor->sci;
    SSM(SCI_MARKERDEFINE, 0, SC_MARK_CIRCLE);
    markerHandle = SSM(SCI_MARKERADD, 28, 0);
}

void plugin_cleanup(void) {
    SSM(SCI_MARKERDELETEHANDLE, markerHandle, 0);
}

and the result is that the marker is created successfully but when the
plugin is unloaded, Geany is exited immediately.
I have tried to remove the marker with the other messages (SCI_MARKERDELETE,
SCI_MARKERDELETEALL) but that error still exists and I don't know why.

Thank you very much for your help!
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