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graphicsclientitemsclient.cpp
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graphicsclientitemsclient.cpp
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/*
Copyright 2011 Arne Jacobs <jarne@jarne.de>
This file is part of elektrocillin.
Elektrocillin is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Elektrocillin is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Elektrocillin. If not, see <http://www.gnu.org/licenses/>.
*/
#include "graphicsclientitemsclient.h"
#include "jackcontextgraphicsscene.h"
#include "metajack/recursivejackcontext.h"
QSettings GraphicsClientItemsClient::settings("settings.ini", QSettings::IniFormat);
GraphicsClientItemsClient::GraphicsClientItemsClient(QGraphicsScene *scene_) :
JackClient("GraphicsClientItemsClient"),
scene(scene_),
clientStyle(3),
audioPortStyle(1),
midiPortStyle(3),
font("Helvetica", 12),
contextName(RecursiveJackContext::getInstance()->getCurrentContext()->get_name())
{
setCallProcess(false);
setEmitPortSignals(true);
setEmitClientSignals(true);
activate();
// get all clients and create visual representations for them:
QStringList clientNames = getClients();
for (int i = 0; i < clientNames.size(); i++) {
onClientRegistered(clientNames[i]);
}
// make sure we're notified when clients are registered or unregistered:
QObject::connect(this, SIGNAL(clientRegistered(QString)), this, SLOT(onClientRegistered(QString)), Qt::QueuedConnection);
QObject::connect(this, SIGNAL(clientUnregistered(QString)), this, SLOT(onClientUnregistered(QString)), Qt::QueuedConnection);
// the same for ports:
QObject::connect(this, SIGNAL(portRegistered(QString,QString,int)), this, SLOT(onPortRegistered(QString,QString,int)), Qt::QueuedConnection);
QObject::connect(this, SIGNAL(portUnregistered(QString,QString,int)), this, SLOT(onPortRegistered(QString,QString,int)), Qt::QueuedConnection);
}
GraphicsClientItemsClient::~GraphicsClientItemsClient()
{
// save all client item positions which are not JackClient client items to the settings:
for (QMap<QString, QPointF>::iterator i = clientItemPositionMap.begin(); i != clientItemPositionMap.end(); i++) {
settings.setValue("position/" + contextName + "/" + i.key(), i.value().toPoint());
}
// delete all client graphics items:
for (QMap<QString, GraphicsClientItem*>::iterator i = clientItems.begin(); i != clientItems.end(); i++) {
delete i.value();
}
// delete all port connection items:
for (; portConnectionItems.size(); ) {
deletePortConnectionItem(portConnectionItems.begin().key(), portConnectionItems.begin().value().begin().key());
}
close();
}
void GraphicsClientItemsClient::saveState(QDataStream &stream)
{
// save client graphics positions:
stream << clientItemPositionMap;
// save the clients' states:
RecursiveJackContext::getInstance()->saveCurrentContext(stream, JackClientSerializer::getInstance());
}
void GraphicsClientItemsClient::loadState(QDataStream &stream)
{
// delete all clients and the corresponding graphics:
QStringList clientNames = clientItems.keys();
for (int i = 0; i < clientNames.size(); i++) {
QString clientName = clientNames[i];
deleteClient(clientName);
}
// read client graphics positions:
stream >> clientItemPositionMap;
// set the positions of already existing graphics items:
for (QMap<QString, QPointF>::iterator i = clientItemPositionMap.begin(); i != clientItemPositionMap.end(); i++) {
GraphicsClientItem *clientItem = clientItems.value(i.key(), 0);
if (clientItem) {
clientItem->setPos(i.value());
}
}
// read the clients' and their states:
RecursiveJackContext::getInstance()->loadCurrentContext(stream, JackClientSerializer::getInstance());
}
void GraphicsClientItemsClient::setClientStyle(int style)
{
clientStyle = style;
}
void GraphicsClientItemsClient::setAudioPortStyle(int style)
{
audioPortStyle = style;
}
void GraphicsClientItemsClient::setMidiPortStyle(int style)
{
midiPortStyle = style;
}
void GraphicsClientItemsClient::deleteClient(const QString &clientName)
{
jack_client_t *client = meta_jack_client_by_name(clientName.toAscii().data());
JackClient * jackClient;
if (client && (jackClient = JackClientSerializer::getInstance()->getClient(client))) {
delete jackClient;
} else if (JackContext *context = RecursiveJackContext::getInstance()->getContextByClientName(clientName.toAscii().data())) {
RecursiveJackContext::getInstance()->deleteContext(context);
}
}
QGraphicsScene * GraphicsClientItemsClient::getScene()
{
return scene;
}
void GraphicsClientItemsClient::showAllInnerItems(bool visible)
{
for (QMap<QString, GraphicsClientItem*>::iterator i = clientItems.begin(); i != clientItems.end(); i++) {
GraphicsClientItem *clientItem = i.value();
if (clientItem) {
clientItem->toggleControls(visible);
}
}
}
GraphicsPortConnectionItem * GraphicsClientItemsClient::getPortConnectionItem(const QString &port1, const QString &port2)
{
GraphicsPortConnectionItem *item = portConnectionItems.value(port1).value(port2, 0);
if (!item) {
item = new GraphicsPortConnectionItem(port1, port2, scene);
portConnectionItems[port1][port2] = item;
portConnectionItems[port2][port1] = item;
}
return item;
}
void GraphicsClientItemsClient::deletePortConnectionItem(QString port1, QString port2)
{
GraphicsPortConnectionItem *item = portConnectionItems.value(port1).value(port2, 0);
if (item) {
portConnectionItems[port1].remove(port2);
portConnectionItems[port2].remove(port1);
delete item;
if (portConnectionItems.value(port1).size() == 0) {
portConnectionItems.remove(port1);
}
if (portConnectionItems.value(port2).size() == 0) {
portConnectionItems.remove(port2);
}
}
}
void GraphicsClientItemsClient::deletePortConnectionItems(QString port)
{
QStringList otherPorts = portConnectionItems.value(port).keys();
for (int i = 0; i < otherPorts.size(); i++) {
deletePortConnectionItem(port, otherPorts[i]);
}
}
void GraphicsClientItemsClient::setPositions(const QString &port, const QPointF &point)
{
QMap<QString, GraphicsPortConnectionItem*> portItems = portConnectionItems.value(port);
for (QMap<QString, GraphicsPortConnectionItem*>::const_iterator i = portItems.begin(); i != portItems.end(); i++) {
i.value()->setPos(port, point);
}
}
void GraphicsClientItemsClient::setClientItemPositionByName(const QString &clientName, QPointF pos)
{
clientItemPositionMap[clientName] = pos;
}
QSettings * GraphicsClientItemsClient::getSettings()
{
return &settings;
}
void GraphicsClientItemsClient::onClientRegistered(const QString &clientName)
{
// create a client item with that name:
GraphicsClientItem *clientItem = 0;
jack_client_t *client = meta_jack_client_by_name(clientName.toAscii().data());
JackClient *jackClient = (client ? JackClientSerializer::getInstance()->getClient(client) : 0);
if (jackClient) {
clientItem = jackClient->createClientItem(this, clientStyle, audioPortStyle, midiPortStyle, font);
clientItem->setSelected(true);
} else {
bool isMacro = RecursiveJackContext::getInstance()->getContextByClientName(clientName.toAscii().data());
clientItem = new GraphicsClientItem(this, 0, isMacro, clientName, clientStyle, audioPortStyle, midiPortStyle, font, 0);
QPointF pos;
if (clientItemPositionMap.contains(clientName)) {
pos = clientItemPositionMap[clientName];
} else {
pos = settings.value("position/" + contextName + "/" + clientName).toPoint();
clientItemPositionMap.insert(clientName, pos);
}
clientItem->setPos(pos);
}
clientItems.insert(clientName, clientItem);
}
void GraphicsClientItemsClient::onClientUnregistered(const QString &clientName)
{
// delete the client item with the given name:
delete clientItems.value(clientName, 0);
clientItems.remove(clientName);
clientItemPositionMap.remove(clientName);
}
void GraphicsClientItemsClient::onPortRegistered(QString fullPortName, QString type, int flags)
{
// get the corresponding client name:
QString clientName = fullPortName.split(":")[0];
GraphicsClientItem *clientItem = clientItems.value(clientName, 0);
if (clientItem) {
clientItem->updatePorts();
}
}