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fix #20120: crash in redo when vertical box changes system

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This commit is contained in:
ws 2013-02-21 13:34:47 +01:00
parent 03eb808a20
commit a4e4626765
1 changed files with 14 additions and 4 deletions
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18
libmscore/system.cpp
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@ -460,13 +460,18 @@ void System::clear()
void System::setInstrumentNames(bool longName)
{
//
// remark: add/remove instrument names is not undo/redoable
// as add/remove of systems is not undoable
//
if (isVbox()) // ignore vbox
return;
if (!score()->showInstrumentNames()) {
for (int staffIdx = 0; staffIdx < score()->nstaves(); ++staffIdx) {
SysStaff* staff = _staves[staffIdx];
foreach(InstrumentName* t, staff->instrumentNames)
score()->undoRemoveElement(t);
//score()->undoRemoveElement(t);
score()->removeElement(t);
}
return;
}
@ -476,7 +481,8 @@ void System::setInstrumentNames(bool longName)
Staff* s = score()->staff(staffIdx);
if (!s->isTop()) {
foreach(InstrumentName* t, staff->instrumentNames)
score()->undoRemoveElement(t);
//score()->undoRemoveElement(t);
score()->removeElement(t);
continue;
}
@ -493,14 +499,16 @@ void System::setInstrumentNames(bool longName)
iname->setParent(this);
iname->setTrack(staffIdx * VOICES);
iname->setSubtype(longName ? INSTRUMENT_NAME_LONG : INSTRUMENT_NAME_SHORT);
score()->undoAddElement(iname);
// score()->undoAddElement(iname);
score()->addElement(iname);
}
iname->setText(sn.name);
iname->setLayoutPos(sn.pos);
++idx;
}
for (; idx < staff->instrumentNames.size(); ++idx)
score()->undoRemoveElement(staff->instrumentNames[idx]);
// score()->undoRemoveElement(staff->instrumentNames[idx]);
score()->removeElement(staff->instrumentNames[idx]);
}
}
@ -544,8 +552,10 @@ void System::add(Element* el)
el->setParent(this);
switch(el->type()) {
case INSTRUMENT_NAME:
// qDebug(" staffIdx %d, staves %d", el->staffIdx(), _staves.size());
_staves[el->staffIdx()]->instrumentNames.append(static_cast<InstrumentName*>(el));
break;
case BEAM:
score()->add(el);
break;