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// qsamplerDeviceStatusForm.cpp |
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// |
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/**************************************************************************** |
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Copyright (C) 2008, Christian Schoenebeck |
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This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*****************************************************************************/ |
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#include "qsamplerAbout.h" |
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#include "qsamplerDeviceStatusForm.h" |
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#include "qsamplerMainForm.h" |
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#include <QGridLayout> |
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#define MIDI_OFF_COLOR Qt::darkGreen |
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#define MIDI_ON_COLOR Qt::green |
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namespace QSampler { |
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//------------------------------------------------------------------------- |
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// QSampler::MidiActivityLED -- Graphical indicator for MIDI activity. |
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// |
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MidiActivityLED::MidiActivityLED(QString text, QWidget* parent) : QLabel(text, parent) { |
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#if CONFIG_LSCP_DEVICE_MIDI |
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setPalette(MIDI_OFF_COLOR); |
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setAutoFillBackground(true); |
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#else |
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setText("X"); |
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setToolTip("MIDI Activity Disabled"); |
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#endif |
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timer.setSingleShot(true); |
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QObject::connect( |
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&timer, SIGNAL(timeout()), |
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this, SLOT(midiDataCeased()) |
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); |
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} |
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void MidiActivityLED::midiDataArrived() { |
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setPalette(MIDI_ON_COLOR); |
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timer.start(50); |
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} |
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void MidiActivityLED::midiDataCeased() { |
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setPalette(MIDI_OFF_COLOR); |
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} |
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//------------------------------------------------------------------------- |
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// QSampler::DeviceStatusForm -- Device status informations window. |
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// |
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std::map<int, DeviceStatusForm*> DeviceStatusForm::instances; |
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DeviceStatusForm::DeviceStatusForm ( |
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int DeviceID, QWidget* pParent, Qt::WindowFlags wflags ) |
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: QMainWindow(pParent, wflags) |
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{ |
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m_pDevice = new Device(Device::Midi, DeviceID); |
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if (!centralWidget()) setCentralWidget(new QWidget(this)); |
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QGridLayout* pLayout = new QGridLayout(centralWidget()); |
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centralWidget()->setLayout(pLayout); |
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updateGUIPorts(); // build the GUI |
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m_pVisibleAction = new QAction(this); |
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m_pVisibleAction->setCheckable(true); |
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m_pVisibleAction->setChecked(false); |
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m_pVisibleAction->setText(m_pDevice->deviceName()); |
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m_pVisibleAction->setToolTip( |
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QString("MIDI Device ID: ") + |
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QString::number(m_pDevice->deviceID()) |
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); |
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QObject::connect( |
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m_pVisibleAction, SIGNAL(toggled(bool)), |
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this, SLOT(setVisible(bool)) |
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); |
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setWindowTitle(m_pDevice->deviceName() + " Status"); |
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} |
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void DeviceStatusForm::updateGUIPorts() { |
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// refresh device informations |
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m_pDevice->setDevice(m_pDevice->deviceType(), m_pDevice->deviceID()); |
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DevicePortList ports = m_pDevice->ports(); |
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// clear the GUI |
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QGridLayout* pLayout = (QGridLayout*) centralWidget()->layout(); |
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for (int i = pLayout->count() - 1; i >= 0; --i) { |
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QLayoutItem* pItem = pLayout->itemAt(i); |
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if (!pItem) continue; |
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pLayout->removeItem(pItem); |
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if (pItem->widget()) delete pItem->widget(); |
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delete pItem; |
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} |
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midiActivityLEDs.clear(); |
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// rebuild the GUI |
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for (int i = 0; i < ports.size(); ++i) { |
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QLabel* pLabel = |
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new QLabel(QString("MIDI port \"") + ports[i]->portName() + "\": "); |
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pLabel->setToolTip(QString("Device ID ") + QString::number(ports[i]->portID())); |
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pLayout->addWidget(pLabel, i, 0, Qt::AlignLeft); |
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MidiActivityLED* pLED = new MidiActivityLED(); |
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midiActivityLEDs.push_back(pLED); |
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pLayout->addWidget(pLED, i, 1); |
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} |
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} |
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DeviceStatusForm::~DeviceStatusForm() { |
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if (m_pDevice) delete m_pDevice; |
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} |
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QAction* DeviceStatusForm::visibleAction() { |
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return m_pVisibleAction; |
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} |
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void DeviceStatusForm::closeEvent(QCloseEvent* event) { |
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m_pVisibleAction->setChecked(false); |
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event->accept(); |
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} |
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void DeviceStatusForm::midiArrived(int iPort) { |
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if (uint(iPort) >= midiActivityLEDs.size()) return; |
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midiActivityLEDs[iPort]->midiDataArrived(); |
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} |
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DeviceStatusForm* DeviceStatusForm::getInstance(int iDeviceID) { |
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std::map<int, DeviceStatusForm*>::iterator iter = |
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instances.find(iDeviceID); |
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return (iter != instances.end()) ? iter->second : NULL; |
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} |
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const std::map<int, DeviceStatusForm*>& DeviceStatusForm::getInstances() { |
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return instances; |
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} |
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void DeviceStatusForm::deleteAllInstances() { |
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for ( |
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std::map<int, DeviceStatusForm*>::iterator iter = instances.begin(); |
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iter != instances.end(); ++iter |
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) { |
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iter->second->hide(); |
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delete iter->second; |
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} |
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instances.clear(); |
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} |
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void DeviceStatusForm::onDevicesChanged() { |
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MainForm* pMainForm = MainForm::getInstance(); |
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if (pMainForm && pMainForm->client()) { |
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std::set<int> deviceIDs = |
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Device::getDeviceIDs(pMainForm->client(), Device::Midi); |
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// hide and delete status forms whose device has been destroyed |
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for ( |
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std::map<int, DeviceStatusForm*>::iterator iter = instances.begin(); |
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iter != instances.end(); ++iter |
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) { |
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if (deviceIDs.find(iter->first) == deviceIDs.end()) { |
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iter->second->hide(); |
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delete iter->second; |
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instances.erase(iter); |
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} |
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} |
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// create status forms for new devices |
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for ( |
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std::set<int>::iterator iter = deviceIDs.begin(); |
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iter != deviceIDs.end(); ++iter |
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) { |
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if (instances.find(*iter) == instances.end()) { |
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DeviceStatusForm* pStatusForm = |
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new DeviceStatusForm(*iter); |
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instances[*iter] = pStatusForm; |
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} |
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} |
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} |
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} |
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void DeviceStatusForm::onDeviceChanged(int iDeviceID) { |
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DeviceStatusForm* pForm = DeviceStatusForm::getInstance(iDeviceID); |
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if (!pForm) return; |
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pForm->updateGUIPorts(); |
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} |
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} // namespace QSampler |
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// end of qsamplerDeviceStatusForm.cpp |