本文整理汇总了C++中ProgramList::erase方法的典型用法代码示例。如果您正苦于以下问题：C++ ProgramList::erase方法的具体用法？C++ ProgramList::erase怎么用？C++ ProgramList::erase使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ProgramList的用法示例。
在下文中一共展示了ProgramList::erase方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: getSelectedInstrument
void
MIDIInstrumentParameterPanel::updateProgramComboBox()
{
RG_DEBUG << "updateProgramComboBox()";
if (!getSelectedInstrument())
return;
MidiDevice *md =
dynamic_cast<MidiDevice *>(getSelectedInstrument()->getDevice());
if (!md) {
std::cerr << "WARNING: MIDIInstrumentParameterPanel::updateProgramComboBox(): No MidiDevice for Instrument " << getSelectedInstrument()->getId() << '\n';
return;
}
RG_DEBUG << "updateProgramComboBox(): variation type is " << md->getVariationType();
MidiBank bank = getSelectedInstrument()->getProgram().getBank();
ProgramList programs =
md->getPrograms0thVariation(getSelectedInstrument()->isPercussion(), bank);
// Remove the programs that have no name.
programs.erase(std::remove_if(programs.begin(), programs.end(),
MIDIInstrumentParameterPanel::hasNoName),
programs.end());
// If we've got programs, show the Program widgets.
// Why not "show = (programs.size()>1)"? Because that would hide the
// program checkbox which would take away the user's ability to
// enable/disable program changes. If we do away with the checkbox
// in the future, we should re-evaluate this decision.
bool show = !programs.empty();
m_programLabel->setVisible(show);
m_programCheckBox->setVisible(show);
m_programComboBox->setVisible(show);
int currentProgram = -1;
// Compute the current program.
for (unsigned i = 0; i < programs.size(); ++i) {
// If the program change is the same...
if (getSelectedInstrument()->getProgram().getProgram() == programs[i].getProgram()) {
currentProgram = i;
break;
}
}
// If the programs have changed, we need to repopulate the combobox.
if (!partialCompareWithName(programs, m_programs))
{
// Update the cache.
m_programs = programs;
// Copy from m_programs to m_programComboBox.
m_programComboBox->clear();
for (unsigned i = 0; i < m_programs.size(); ++i) {
m_programComboBox->addItem(QObject::tr("%1. %2")
.arg(m_programs[i].getProgram() + 1)
.arg(QObject::tr(m_programs[i].getName().c_str())));
}
}
m_programComboBox->setEnabled(getSelectedInstrument()->sendsProgramChange());
#if 0
// ??? This is a pretty nifty idea, but unfortunately, it requires
// that we maintain a bogus combobox entry. For now, we'll go
// with the simpler "unselected" approach.
// If the current program was not found...
if (currentProgram < 0 && !m_programs.empty()) {
// Format program change and add to combobox.
MidiByte programChange = getSelectedInstrument()->getProgram().getProgram();
m_programComboBox.addItem(QString::number(programChange + 1));
currentProgram = programs.size();
}
#endif
// Display the current program.
m_programComboBox->setCurrentIndex(currentProgram);
}