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pa-card-profile-tray
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mappu 2018-10-01 20:00:27 +13:00
commit 02648e86c3
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13
main.cpp Normal file
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#include <QApplication>
#include "trayicon.h"
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
a.setApplicationName(QStringLiteral("Set audio card profile..."));
auto ic = new TrayIcon(&a);
ic->show();
return a.exec();
}

19
pa-card-profile-tray.pro Normal file
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QT += core gui widgets
TARGET = pa-card-profile-tray
TEMPLATE = app
PKGCONFIG += libpulse
LIBS += -lpulse
DEFINES += QT_DEPRECATED_WARNINGS
SOURCES += main.cpp \
trayicon.cpp \
qpulse.cpp \
threadedmainlooplock.cpp
HEADERS += \
trayicon.h \
qpulse.h \
threadedmainlooplock.h

336
pa-card-profile-tray.pro.user Normal file
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66
qpulse.cpp Normal file
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#include "qpulse.h"
#include "threadedmainlooplock.h"
QPulse::QPulse(QObject *parent) :
QObject(parent),
ml(pa_threaded_mainloop_new()),
c(nullptr)
{
pa_threaded_mainloop_start(ml);
c = pa_context_new( pa_threaded_mainloop_get_api(ml), "pa-card-profile-tray");
pa_context_set_state_callback(c, &QPulse::onConnectionStateChangedSt, this);
pa_context_connect(c, nullptr, PA_CONTEXT_NOFLAGS, nullptr);
}
QPulse::~QPulse()
{
pa_context_disconnect(c);
pa_threaded_mainloop_stop(ml);
pa_threaded_mainloop_free(ml);
}
pa_context_state_t QPulse::ConnectionState()
{
//ThreadedMainLoopLock lock(ml);
return pa_context_get_state(c);
}
void QPulse::RequestServerInfo()
{
//ThreadedMainLoopLock lock(ml);
pa_context_get_server_info(c, &QPulse::onGotServerInfoSt, this);
}
void QPulse::RequestCardInfo()
{
//ThreadedMainLoopLock lock(ml);
pa_context_get_card_info_list(c, &QPulse::onGotCardInfoListSt, this);
}
void QPulse::onGotCardInfoListSt(pa_context*, const pa_card_info *i, int eol, void *userdata)
{
QPulse* qp = static_cast<QPulse*>(userdata);
//ThreadedMainLoopLock lock(qp->ml);
emit qp->GotCardInfoList(i, eol);
}
void QPulse::onGotServerInfoSt(pa_context*, const pa_server_info *i, void *userdata)
{
QPulse* qp = static_cast<QPulse*>(userdata);
//ThreadedMainLoopLock lock(qp->ml);
emit qp->GotServerInfo(i);
}
void QPulse::onConnectionStateChangedSt(pa_context*, void *userdata)
{
QPulse* qp = static_cast<QPulse*>(userdata);
//ThreadedMainLoopLock lock(qp->ml);
emit qp->ConnectionStateChanged();
}

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#ifndef QPULSE_H
#define QPULSE_H
#include <QObject>
#include <pulse/pulseaudio.h>
class QPulse : public QObject
{
Q_OBJECT
public:
explicit QPulse(QObject *parent = 0);
~QPulse();
pa_context_state_t ConnectionState();
void RequestServerInfo();
void RequestCardInfo();
signals:
void ConnectionStateChanged();
void GotServerInfo(const pa_server_info *i);
void GotCardInfoList(const pa_card_info *i, int eol);
public slots:
protected:
pa_threaded_mainloop* ml;
pa_context *c;
private:
static void onConnectionStateChangedSt(pa_context *c, void *userdata);
static void onGotServerInfoSt(pa_context *c, const pa_server_info *i, void *userdata);
static void onGotCardInfoListSt(pa_context *c, const pa_card_info *i, int eol, void *userdata);
};
#endif // QPULSE_H

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#include "threadedmainlooplock.h"
ThreadedMainLoopLock::ThreadedMainLoopLock(pa_threaded_mainloop* ml) :
ml(ml)
{
pa_threaded_mainloop_lock(ml);
}
ThreadedMainLoopLock::~ThreadedMainLoopLock() {
pa_threaded_mainloop_unlock(ml);
}

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#ifndef THREADEDMAINLOOPLOCK_H
#define THREADEDMAINLOOPLOCK_H
#include <pulse/pulseaudio.h>
#include <QObject>
class ThreadedMainLoopLock {
public:
ThreadedMainLoopLock(pa_threaded_mainloop *ml);
~ThreadedMainLoopLock();
private:
Q_DISABLE_COPY(ThreadedMainLoopLock)
private:
pa_threaded_mainloop* ml;
};
#endif // THREADEDMAINLOOPLOCK_H

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#include "trayicon.h"
#include <QMenu>
#include <QApplication>
#include <QAction>
#include <QDebug>
#include <pulse/pulseaudio.h>
TrayIcon::TrayIcon(QObject *parent) :
QSystemTrayIcon(QIcon::fromTheme("preferences-desktop-sound"), parent),
pulse(this)
{
this->menu = new QMenu(); // can only be explicitly owned by a QWidget, not any QObject, so we need to
// manually manage its lifecycle in the d'tor
this->quitAction = new QAction("Quit");
connect(this->quitAction, &QAction::triggered, this, &TrayIcon::on_quitAction_triggered);
this->refreshAction = new QAction("Refresh");
connect(this->refreshAction, &QAction::triggered, this, &TrayIcon::onRefreshAction_triggered);
// Set up basic menu only, will be wiped during refresh
this->menu->addAction(refreshAction);
this->menu->addAction(quitAction);
this->setContextMenu(this->menu); // n.b. does not take ownership
connect(&this->pulse, &QPulse::ConnectionStateChanged, [=]() {
if (pulse.ConnectionState() == PA_CONTEXT_READY) {
refreshData();
}
});
connect(&this->pulse, &QPulse::GotCardInfoList, this, &TrayIcon::onGotPulseCardInfo);
refreshData();
}
TrayIcon::~TrayIcon()
{
for (int i = 0; i < cardMenus.length(); ++i) {
delete cardMenus[i];
}
cardMenus.clear();
delete this->quitAction;
delete this->menu;
}
void TrayIcon::refreshData()
{
// Delete existing card menus, but leave the final clearing for later
for (int i = 0; i < cardMenus.length(); ++i) {
delete cardMenus[i];
}
cardMenus.clear();
// Calling delete() should have removed them from the menu, leaving only the separator / refresh / quit options
pulse.RequestCardInfo();
}
void TrayIcon::on_quitAction_triggered()
{
QApplication::exit(0);
}
void TrayIcon::onRefreshAction_triggered()
{
refreshData();
}
void TrayIcon::onGotPulseCardInfo(const pa_card_info *cardInfo, int eol)
{
if (eol) {
// OK - rebuild the menu
this->menu->clear();
for (int i = 0; i < this->cardMenus.length(); ++i) {
this->menu->addMenu(this->cardMenus[i]);
}
this->menu->addSeparator();
this->menu->addAction(refreshAction);
this->menu->addAction(quitAction);
return;
}
/*
QString name; // = pa_proplist_to_string(cardInfo->proplist);; // copy to QString from internally-managed buffers
if (true) { // 0 != pa_proplist_isempty(cardInfo->proplist) && 1 == pa_proplist_contains(cardInfo->proplist, PA_PROP_DEVICE_DESCRIPTION)) {
name = pa_proplist_gets(cardInfo->proplist, PA_PROP_DEVICE_DESCRIPTION);;
} else {
name = cardInfo->name;
}
*/
/*
QString name(cardInfo->name);
if (name.length() == 0) {
name = tr("Default card");
}
*/
QMenu* cardMenu = new QMenu(name);
for (size_t i = 0; i < cardInfo->n_profiles; ++i) {
auto profileAction = new QAction(cardInfo->profiles[i].description, cardMenu);
cardMenu->addAction(profileAction);
}
this->cardMenus.push_back(cardMenu);
}

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#ifndef TRAYICON_H
#define TRAYICON_H
#include <QObject>
#include <QSystemTrayIcon>
#include <QMenu>
#include <QAction>
#include <QVector>
#include "qpulse.h"
class TrayIcon : public QSystemTrayIcon
{
public:
TrayIcon(QObject *parent);
~TrayIcon();
void refreshData();
public slots:
void on_quitAction_triggered();
void onRefreshAction_triggered();
void onGotPulseCardInfo(const pa_card_info *i, int eol);
protected:
QPulse pulse;
QMenu* menu;
QVector<QMenu*> cardMenus;
QAction* quitAction;
QAction* refreshAction;
};
#endif // TRAYICON_H