hi friends,
i try to add QSignalMapping to QList having graphicsItem
Qt Code:
for(i =0; i<14; i++){ mapValue[i] = i ; connect(list_item[i], SIGNAL(gpioPinSet()), signalMapper, SLOT(map())); signalMapper->setMapping(list_item[i],mapValue[i]); } connect(signalMapper, SIGNAL(mapped(int )), this, SIGNAL(gpioPinSet(int))); connect(this, SIGNAL(gpioPinSet(int )), this, SLOT(pin1Status(int )));To copy to clipboard, switch view to plain text mode
and the program crashed spitting
please help ..*** glibc detected *** ./tidscreen: corrupted double-linked list: 0x09fbe9e8 ***
======= Backtrace: =========
/lib/libc.so.6[0x322112b]
/lib/libc.so.6[0x32230bd]
/lib/libc.so.6(__libc_malloc+0x7e)[0x3224ebe]
/usr/local/Trolltech/Qt-4.4.3/lib/libQtCore.so.4(_Z7qMallocj+0x1d)[0x3eb39fd]
/usr/local/Trolltech/Qt-4.4.3/lib/libQtGui.so.4[0xb588e9]
/usr/local/Trolltech/Qt-4.4.3/lib/libQtGui.so.4[0xb58c12]
/usr/local/Trolltech/Qt-4.4.3/lib/libQtGui.so.4[0xb5197d]
/usr/local/Trolltech/Qt-4.4.3/lib/libQtGui.so.4(_ZN4QCss6Parser4initERK7QStringb+0x8 b)[0xb51bbb]
/usr/local/Trolltech/Qt-4.4.3/lib/libQtGui.so.4(_ZN4QCss6ParserC1ERK7QStringb+0x57)[0xb522b7]
/usr/local/Trolltech/Qt-4.4.3/lib/libQtGui.so.4[0xb5254f]
/usr/local/Trolltech/Qt-4.4.3/lib/libQtGui.so.4[0xb52bbd]
/usr/local/Trolltech/Qt-4.4.3/lib/libQtGui.so.4(_ZN4QCss14ValueExtractor17extractBac kgroundEP6QBrushP7QStringPNS_6RepeatEP6QFlagsIN2Qt 13AlignmentFlagEEPNS_6OriginEPNS_10AttachmentESD_+ 0x41e)[0xb54b5e]
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