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List:       kde-multimedia
Subject:    help
From:       "Ramiro Tasquer" <tasquer () mail ! zuper ! net>
Date:       2001-09-21 9:38:49
[Download RAW message or body]

Hi!

I'm writing an applet, a sound applet, where you will be 
able to see the wave of the sound (with Arts only for the 
moment).
First, i did the main program as a QT-only program, then i 
modify the code to work as an applet (you can't imagine 
how messy was to do all the autoconf/automake stuff)
i use the khelloworldapplet as the base of the applet.
well, it does a segfault... and this is what gdb show me

Starting program: /opt/kde/bin/appletproxy 
/opt/kde/share/apps/kicker/applets/khelloworldapplet.desktop
Qt: gdb: -nograb added to command-line options.
         Use the -dograb option to enforce grabbing.
WARNING: Unable to find style plugin liquid.la

Program received signal SIGSEGV, Segmentation fault.
0x40daaed6 in Arts::Dispatcher::stringToObjectReference () 
from /opt/kde/lib/libmcop.so.0
(gdb) run
The program being debugged has been started already.
Start it from the beginning? (y or n) y

Starting program: /opt/kde/bin/appletproxy 
/opt/kde/share/apps/kicker/applets/khelloworldapplet.desktop
Qt: gdb: -nograb added to command-line options.
         Use the -dograb option to enforce grabbing.ÐD
WARNING: Unable to find style plugin liquid.la

Program received signal SIGSEGV, Segmentation fault.
0x40daaed6 in Arts::Dispatcher::stringToObjectReference () 
from /opt/kde/lib/libmcop.so.0
(gdb) bt
#0  0x40daaed6 in 
Arts::Dispatcher::stringToObjectReference () from
/opt/kde/lib/libmcop.so.0
#1  0x40d2106b in Arts::SoundServerV2_base::_fromString () 
from /opt/kde/lib/libsoundserver_idl.so.0
#2  0x40c8e762 in HelloWorldApplet::HelloWorldApplet () 
from /opt/kde/lib/libkhelloworldapplet.so.1
#3  0x40c8e65b in init () from 
/opt/kde/lib/libkhelloworldapplet.so.1
#4  0x4001c1ff in KickerPluginManager::loadApplet () from 
/opt/kde/lib/appletproxy.so
#5  0x4001a13e in AppletProxy::loadApplet () from 
/opt/kde/lib/appletproxy.so
#6  0x400197ce in main () from /opt/kde/lib/appletproxy.so
#7  0x40afca8e in __libc_start_main (main=0x80484e8 
<main>, argc=2, argv=0xbffff664, init=0x8048494 <_init>,
    fini=0x804864c <_fini>, rtld_fini=0x4000aa20 
<_dl_fini>, stack_end=0xbffff65c)
    at ../sysdeps/generic/libc-start.c:92

i don't know what it can be..
the code looks like this.

Ð0A.cpp

 HelloWorldApplet::HelloWorldApplet( const QString& 
configFile, Type type, int actions, QWidget *parent, const 
char *name )
     : KPanelApplet( configFile, type, actions, parent, 
name ) , server(Reference("global:Arts_SoundServerV2"))
{
 dah = new iffts(server, 16, this);
}

i define server in the header, as a private variable.. 
like this

private:
 SoundServerV2 server;

i don't know where could the problem be..

thanks a lot for your help..

Ramiro Tasquer
San Miguel de Tucuman - Argentina
www.ruidoblanco.com.ar

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