C++ QPtrList::clear方法代码示例

void VCXYPadProperties::slotOKClicked()
{
    QPtrList<XYChannelUnit>* list;

    // Update the X list
    list = m_parent->channelsX();

    list->setAutoDelete(true);
    list->clear();
    list->setAutoDelete(false);

    QListViewItemIterator xit(m_listX);

    while (xit.current())
    {
        list->append(createChannelUnit(*xit));
        ++xit;
    }

    // Update the Y list
    list = m_parent->channelsY();

    list->setAutoDelete(true);
    list->clear();
    list->setAutoDelete(false);

    QListViewItemIterator yit(m_listY);

    while (yit.current())
    {
        list->append(createChannelUnit(*yit));
        ++yit;
    }
    accept();
}

void QSocketPrivate::close()
{
    closeSocket();
    wsize = 0;
    rba.clear(); wba.clear();
    windex = 0;
}

// -----------------------------------------------------------
void QucsApp::slotCursorRight()
{
  if(!editText->isHidden()) return;  // for edit of component property ?

  QPtrList<Element> movingElements;
  Schematic *Doc = (Schematic*)DocumentTab->currentPage();
  int markerCount = Doc->copySelectedElements(&movingElements);

  if((movingElements.count() - markerCount) < 1) {
    if(markerCount > 0) {  // only move marker if nothing else selected
      Doc->markerLeftRight(false, &movingElements);
      movingElements.clear();
    }
    else {
      if(Doc->scrollRight(-Doc->horizontalScrollBar()->lineStep()))
        Doc->scrollBy(Doc->horizontalScrollBar()->lineStep(), 0);
    }

    Doc->viewport()->update();
    view->drawn = false;
    return;
  }

  view->moveElements(&movingElements, Doc->GridX, 0);  // move "GridX" to right
  view->MAx3 = 1;  // sign for moved elements
  view->endElementMoving(Doc, &movingElements);
}

void QSocketPrivate::connectionClosed()
{
    // We keep the open state in case there's unread incoming data
    state = QSocket::Idle;
    closeSocket();
    wba.clear();
    windex = wsize = 0;
}

// -----------------------------------------------------------
void QucsApp::slotCursorDown()
{
  if(!editText->isHidden()) {  // for edit of component property ?
    if(view->MAx3 == 0) return;  // edit component namen ?
    Component *pc = (Component*)view->focusElement;
    Property *pp = pc->Props.at(view->MAx3-1);  // current property
    int Pos = pp->Description.find('[');
    if(Pos < 0) return;  // no selection list ?
    Pos = pp->Description.find(editText->text(), Pos); // current list item
    if(Pos < 0) return;  // should never happen
    Pos = pp->Description.find(',', Pos);
    if(Pos < 0) return;  // was last item ?
    Pos++;
    if(pp->Description.at(Pos) == ' ') Pos++; // remove leading space
    int End = pp->Description.find(',', Pos);
    if(End < 0) {  // is last item ?
      End = pp->Description.find(']', Pos);
      if(End < 0) return;  // should never happen
    }
    editText->setText(pp->Description.mid(Pos, End-Pos));
    editText->selectAll();
    return;
  }

  QPtrList<Element> movingElements;
  Schematic *Doc = (Schematic*)DocumentTab->currentPage();
  int markerCount = Doc->copySelectedElements(&movingElements);

  if((movingElements.count() - markerCount) < 1) {
    if(markerCount > 0) {  // only move marker if nothing else selected
      Doc->markerUpDown(false, &movingElements);
      movingElements.clear();
    }
    else {
      if(Doc->scrollDown(-Doc->verticalScrollBar()->lineStep()))
        Doc->scrollBy(0, Doc->verticalScrollBar()->lineStep());
    }

    Doc->viewport()->update();
    view->drawn = false;
    return;
  }

  view->moveElements(&movingElements, 0, Doc->GridY);  // move "GridY" down
  view->MAx3 = 1;  // sign for moved elements
  view->endElementMoving(Doc, &movingElements);
}

void KMJobViewer::slotSelectionChanged()
{
    int	acts = m_manager->actions();
    int	state(-1);
    int	thread(0);
    bool	completed(true), remote(false);

    QPtrListIterator<JobItem>	it(m_items);
    QPtrList<KMJob>	joblist;

    joblist.setAutoDelete(false);
    for (; it.current(); ++it)
    {
        if (it.current()->isSelected())
        {
            // check if threaded job. "thread" value will be:
            //	0 -> no jobs
            //	1 -> only thread jobs
            //	2 -> only system jobs
            //	3 -> thread and system jobs
            if (it.current()->job()->type() == KMJob::Threaded) thread |= 0x1;
            else thread |= 0x2;

            if (state == -1) state = it.current()->job()->state();
            else if (state != 0 && state != it.current()->job()->state()) state = 0;

            completed = (completed && it.current()->job()->isCompleted());
            joblist.append(it.current()->job());
            if (it.current()->job()->isRemote())
                remote = true;
        }
    }
    if (thread != 2)
        joblist.clear();

    actionCollection()->action("job_remove")->setEnabled((thread == 1) || (/*!remote &&*/ !completed && (state >= 0) && (acts & KMJob::Remove)));
    actionCollection()->action("job_hold")->setEnabled(/*!remote &&*/ !completed && (thread == 2) && (state > 0) && (state != KMJob::Held) && (acts & KMJob::Hold));
    actionCollection()->action("job_resume")->setEnabled(/*!remote &&*/ !completed && (thread == 2) && (state > 0) && (state == KMJob::Held) && (acts & KMJob::Resume));
    actionCollection()->action("job_move")->setEnabled(!remote && !completed && (thread == 2) && (state >= 0) && (acts & KMJob::Move));
    actionCollection()->action("job_restart")->setEnabled(!remote && (thread == 2) && (state >= 0) && (completed) && (acts & KMJob::Restart));

    m_manager->validatePluginActions(actionCollection(), joblist);
}

void Index::loadDictList(QPtrList<File> &fileList, const QStringList &dictList, const QStringList &dictNameList)
{
	fileList.clear();

	// check if we have a dict
	if (dictList.size() < 1)
	{
		msgerr(i18n("No dictionaries in list!"));
		return;
	}

	QStringList::ConstIterator it;
	QStringList::ConstIterator dictIt;
	for (it = dictList.begin(), dictIt = dictNameList.begin(); it != dictList.end(); ++it, ++dictIt)
	{
		File *f = new File(*it, *dictIt);
		// our ugly substitute for exceptions
		if (f->isValid())
			fileList.append(f);
		else
			delete f;
	}
}

void NPmxExport::doExport() {
	int i, j;
	NVoice *voice_elem;
	NStaff *staff_elem;
	NTimeSig *timesig;
	NKeySig  *keysig;
	NClef *clef;
	QPtrList<QString> lyrNames;
	QString *lyrName;
	QString lyricslist[NUM_LYRICS];
	property_type kind;
	int count;
	int acr;
	bool staffsWritten, first;
	const char *endOfLine;
	int voice_count;
	int barpos;
	int count_of_lyrics;
	int idx;
	int multistaffnr;
	int numOfStaffsInMultistaff;
#if GCC_MAJ_VERS > 2
	ostringstream os;
	ostringstream *pmxout[2];
#else
	char obuffer[2][OBLONG];
	char buffer[BUFLONG];
	ostrstream os(buffer, 100);
	ostrstream *pmxout[2];
#endif
	badmeasure *bad;
	lastTone_ = 1000;
	lastLength_ = 1000;
	openSpecialEnding_ = 0;
	pendingSpecialEnd_ = 0;
	pendingEndSpecialEnd_ = false;
	tupletBase_ = 0;

	countof128th_ = 128;
	barNr_ = 1;
	tiePool_ = 0;
	slurPool_ = 0;
	vaPool_ = 0;
	pendingTimeSig_ = 0;
	pendingKeySig_ = 0;
	pendingSpecialEnd_ = 0;
	drum_problem_written_ = false;
	exportDialog_->getPMXOptions( pmxOpts_ );

	specialCharList_.clear();
	badlist_.clear();
	if (fileName.isNull())
		return;
	if (NResource::staffSelExport_ == 0) {
		NResource::staffSelExport_ = new bool[staffList_->count()];
		for (i = 0; i < (int)staffList_->count(); NResource::staffSelExport_[i++] = true);
		staffsToExport_ = staffList_->count();
	}
	else {
		staffsToExport_ = 0;
		for (i = 0; i < (int)staffList_->count(); i++) {
			if (NResource::staffSelExport_[i]) {
				staffsToExport_++;
			}
		}
	}
	out_.open(fileName);
	if (!out_) {
		os << "error opening file " << fileName << '\0';
#if GCC_MAJ_VERS > 2
		KMessageBox::sorry
		  (0, QString(os.str().c_str()), kapp->makeStdCaption(i18n("PMX export")));
#else
		KMessageBox::sorry
		  (0, QString(os.str()), kapp->makeStdCaption(i18n("PMX export")));
#endif
		return;
	}
#if GCC_MAJ_VERS > 2
	pmxout[0] = new ostringstream();
	pmxout[1] = new ostringstream();
#else
	pmxout[0] = new ostrstream(obuffer[0], OBLONG);
	pmxout[1] = new ostrstream(obuffer[1], OBLONG);
#endif
	va_descr_ = (struct trill_descr_str *) alloca(staffsToExport_ * sizeof(struct trill_descr_str));
	for (i = 0; i < staffsToExport_; i++) {
		va_descr_[i].trill_nr = -1;
	}
	LastPMXfile_ = fileName;
	voice_elem = staffList_->first()->getVoiceNr(0);
	keysig = voice_elem->getFirstKeysig();
	if (!keysig) {	
		keysig = new NKeySig(0, 0);
	}
	timesig = voice_elem->getFirstTimeSig();
	if (!timesig) {
		timesig = new NTimeSig(0, &NResource::nullprops_);
		timesig->setSignature(4, 4);
	}
//.........这里部分代码省略.........