Witam,
Mam pytanie co jest źle ?
public void wordWrap()
{
QAction action = (QAction)this.actionsMap.get("wordWrap()");
if (action.isChecked())
{
this.editor.setLineWrapMode(QPlainTextEdit.LineWrapMode.WidgetWidth);
}
else
this.editor.setLineWrapMode(QPlainTextEdit.LineWrapMode.NoWrap);
}
błędu nie ma ale gdy dam w programie na wordwrap to wtedy wystepuje ten bład
Exception caught after invoking slot
java.lang.NullPointerException
at TestEditor.TestEditor.wordWrap(TestEditor.java:450)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.trolltech.qt.internal.QSignalEmitterInternal$AbstractSignalInternal.emit_helper(QSignalEmitterInternal.java:368)
at com.trolltech.qt.QSignalEmitter$Signal1.emit(QSignalEmitter.java:209)
at com.trolltech.qt.gui.QApplication.exec(Native Method)
at TestEditor.TestEditor.main(TestEditor.java:514)