From cf9195c8085bade8076e064c043756024fcafa5a Mon Sep 17 00:00:00 2001 From: Wladimir J. van der Laan Date: Sat, 3 Sep 2011 20:52:54 +0200 Subject: [PATCH] (k)ubuntu 10.04+ notification support (based on @zwierzak his code) --- README.rst | 21 ++++- bitcoin-qt.pro | 12 ++- src/qt/bitcoingui.cpp | 44 +++++----- src/qt/bitcoingui.h | 2 + src/qt/notificator.cpp | 224 ++++++++++++++++++++++++++++++++++++++++++++++++ src/qt/notificator.h | 63 ++++++++++++++ 6 files changed, 337 insertions(+), 29 deletions(-) create mode 100644 src/qt/notificator.cpp create mode 100644 src/qt/notificator.h diff --git a/README.rst b/README.rst index ceaebc1..b9485f4 100644 --- a/README.rst +++ b/README.rst @@ -8,9 +8,9 @@ Features - Compatibility with Linux (both GNOME and KDE), MacOSX and Windows -- Splash screen +- Notification on incoming / outgoing transactions (compatible with FreeDesktop and other desktop notification schemes) -- Tabbed interface +- General interface improvements: Splash screen, tabbed interface - Overview page with current balance, unconfirmed balance, and such @@ -32,7 +32,7 @@ Features - Address books and transaction table can be sorted by any column -- Accepts "bitcoin:" URLs from browsers through drag and drop +- Accepts "bitcoin:" URLs from browsers and other sources through drag and drop Build instructions =================== @@ -79,8 +79,11 @@ Windows build instructions: .. [#] PGP signature: http://download.visucore.com/bitcoin/qtgui_deps_1.zip.sig (signed with RSA key ID `610945D0`_) .. _`610945D0`: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x610945D0 +Build configuration options +============================ + UPNnP port forwarding -===================== +--------------------- To use UPnP for port forwarding behind a NAT router (recommended, as more connections overall allow for a faster and more stable bitcoin experience), pass the following argument to qmake: @@ -103,6 +106,16 @@ Set USE_UPNP to a different value to control this: | USE_UPNP=1 | UPnP support turned on by default at runtime. | +------------+--------------------------------------------------------------+ +Notification support for recent (k)ubuntu versions +--------------------------------------------------- + +To see desktop notifications on (k)ubuntu versions starting from 10.04, enable usage of the +FreeDesktop notification interface through DBUS using the following qmake option: + +:: + + qmake "USE_DBUS=1" + Berkely DB version warning ========================== diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro index 9512968..053dc70 100644 --- a/bitcoin-qt.pro +++ b/bitcoin-qt.pro @@ -22,6 +22,12 @@ count(USE_UPNP, 1) { LIBS += -lminiupnpc } +count(USE_DBUS, 1) { + message(Building with DBUS (Freedesktop notifications) support) + DEFINES += QT_DBUS + QT += dbus +} + # for extra security against potential buffer overflows QMAKE_CXXFLAGS += -fstack-protector QMAKE_LFLAGS += -fstack-protector @@ -100,7 +106,8 @@ HEADERS += src/qt/bitcoingui.h \ src/qt/bitcoinunits.h \ src/qt/qvaluecombobox.h \ src/qt/askpassphrasedialog.h \ - src/protocol.h + src/protocol.h \ + src/qt/notificator.h SOURCES += src/qt/bitcoin.cpp src/qt/bitcoingui.cpp \ src/qt/transactiontablemodel.cpp \ @@ -147,7 +154,8 @@ SOURCES += src/qt/bitcoin.cpp src/qt/bitcoingui.cpp \ src/qt/bitcoinunits.cpp \ src/qt/qvaluecombobox.cpp \ src/qt/askpassphrasedialog.cpp \ - src/protocol.cpp + src/protocol.cpp \ + src/qt/notificator.cpp RESOURCES += \ src/qt/bitcoin.qrc diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp index e15941e..95646b1 100644 --- a/src/qt/bitcoingui.cpp +++ b/src/qt/bitcoingui.cpp @@ -20,6 +20,7 @@ #include "bitcoinunits.h" #include "guiconstants.h" #include "askpassphrasedialog.h" +#include "notificator.h" #include #include @@ -51,7 +52,8 @@ BitcoinGUI::BitcoinGUI(QWidget *parent): walletModel(0), encryptWalletAction(0), changePassphraseAction(0), - trayIcon(0) + trayIcon(0), + notificator(0) { resize(850, 550); setWindowTitle(tr("Bitcoin Wallet")); @@ -287,6 +289,8 @@ void BitcoinGUI::createTrayIcon() connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason))); trayIcon->show(); + + notificator = new Notificator(tr("bitcoin-qt"), trayIcon); } void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason) @@ -394,18 +398,7 @@ void BitcoinGUI::setNumBlocks(int count) void BitcoinGUI::error(const QString &title, const QString &message) { // Report errors from network/worker thread - if(trayIcon->supportsMessages()) - { - // Show as "balloon" message if possible - trayIcon->showMessage(title, message, QSystemTrayIcon::Critical); - } - else - { - // Fall back to old fashioned popup dialog if not - QMessageBox::critical(this, title, - message, - QMessageBox::Ok, QMessageBox::Ok); - } + notificator->notify(Notificator::Critical, title, message); } void BitcoinGUI::changeEvent(QEvent *e) @@ -453,8 +446,6 @@ void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee) void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end) { - if(start == end) - return; TransactionTableModel *ttm = walletModel->getTransactionTableModel(); qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent) .data(Qt::EditRole).toULongLong(); @@ -468,14 +459,21 @@ void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int .data().toString(); QString address = ttm->index(start, TransactionTableModel::ToAddress, parent) .data().toString(); - - trayIcon->showMessage((amount)<0 ? tr("Sent transaction") : - tr("Incoming transaction"), - tr("Date: ") + date + "\n" + - tr("Amount: ") + BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true) + "\n" + - tr("Type: ") + type + "\n" + - tr("Address: ") + address + "\n", - QSystemTrayIcon::Information); + QIcon icon = qvariant_cast(ttm->index(start, + TransactionTableModel::ToAddress, parent) + .data(Qt::DecorationRole)); + + notificator->notify(Notificator::Information, + (amount)<0 ? tr("Sent transaction") : + tr("Incoming transaction"), + tr("Date: %1\n" + "Amount: %2\n" + "Type: %3\n" + "Address: %4\n") + .arg(date) + .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true)) + .arg(type) + .arg(address), icon); } } diff --git a/src/qt/bitcoingui.h b/src/qt/bitcoingui.h index 484987c..5966135 100644 --- a/src/qt/bitcoingui.h +++ b/src/qt/bitcoingui.h @@ -11,6 +11,7 @@ class TransactionView; class OverviewPage; class AddressBookPage; class SendCoinsDialog; +class Notificator; QT_BEGIN_NAMESPACE class QLabel; @@ -77,6 +78,7 @@ private: QAction *changePassphraseAction; QSystemTrayIcon *trayIcon; + Notificator *notificator; TransactionView *transactionView; QMovie *syncIconMovie; diff --git a/src/qt/notificator.cpp b/src/qt/notificator.cpp new file mode 100644 index 0000000..86ccfc8 --- /dev/null +++ b/src/qt/notificator.cpp @@ -0,0 +1,224 @@ +#include "notificator.h" + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef QT_DBUS +#include +#include +#endif + +// https://wiki.ubuntu.com/NotificationDevelopmentGuidelines recommends at least 128 +const int FREEDESKTOP_NOTIFICATION_ICON_SIZE = 128; + +Notificator::Notificator(const QString &programName, QSystemTrayIcon *trayicon, QWidget *parent): + QObject(parent), + parent(parent), + programName(programName), + mode(None), + trayIcon(trayicon) +#ifdef QT_DBUS + ,interface(0) +#endif +{ + if(trayicon && trayicon->supportsMessages()) + { + mode = QSystemTray; + } +#ifdef QT_DBUS + interface = new QDBusInterface("org.freedesktop.Notifications", + "/org/freedesktop/Notifications", "org.freedesktop.Notifications"); + if(interface->isValid()) + { + mode = Freedesktop; + } +#endif +} + +Notificator::~Notificator() +{ +#ifdef QT_DBUS + delete interface; +#endif +} + +#ifdef QT_DBUS + +// Loosely based on http://www.qtcentre.org/archive/index.php/t-25879.html +class FreedesktopImage +{ +public: + FreedesktopImage() {} + FreedesktopImage(const QImage &img); + + static int metaType(); + + // Image to variant that can be marshaled over DBus + static QVariant toVariant(const QImage &img); + +private: + int width, height, stride; + bool hasAlpha; + int channels; + int bitsPerSample; + QByteArray image; + + friend QDBusArgument &operator<<(QDBusArgument &a, const FreedesktopImage &i); + friend const QDBusArgument &operator>>(const QDBusArgument &a, FreedesktopImage &i); +}; + +Q_DECLARE_METATYPE(FreedesktopImage); + +// Image configuration settings +const int CHANNELS = 4; +const int BYTES_PER_PIXEL = 4; +const int BITS_PER_SAMPLE = 8; + +FreedesktopImage::FreedesktopImage(const QImage &img): + width(img.width()), + height(img.height()), + stride(img.width() * BYTES_PER_PIXEL), + hasAlpha(true), + channels(CHANNELS), + bitsPerSample(BITS_PER_SAMPLE) +{ + // Convert 00xAARRGGBB to RGBA bytewise (endian-independent) format + QImage tmp = img.convertToFormat(QImage::Format_ARGB32); + const uint32_t *data = reinterpret_cast(tmp.constBits()); + + unsigned int num_pixels = width * height; + image.resize(num_pixels * BYTES_PER_PIXEL); + + for(unsigned int ptr = 0; ptr < num_pixels; ++ptr) + { + image[ptr*BYTES_PER_PIXEL+0] = data[ptr] >> 16; // R + image[ptr*BYTES_PER_PIXEL+1] = data[ptr] >> 8; // G + image[ptr*BYTES_PER_PIXEL+2] = data[ptr]; // B + image[ptr*BYTES_PER_PIXEL+3] = data[ptr] >> 24; // A + } +} + +QDBusArgument &operator<<(QDBusArgument &a, const FreedesktopImage &i) +{ + a.beginStructure(); + a << i.width << i.height << i.stride << i.hasAlpha << i.bitsPerSample << i.channels << i.image; + a.endStructure(); + return a; +} + +const QDBusArgument &operator>>(const QDBusArgument &a, FreedesktopImage &i) +{ + a.beginStructure(); + a >> i.width >> i.height >> i.stride >> i.hasAlpha >> i.bitsPerSample >> i.channels >> i.image; + a.endStructure(); + return a; +} + +int FreedesktopImage::metaType() +{ + return qDBusRegisterMetaType(); +} + +QVariant FreedesktopImage::toVariant(const QImage &img) +{ + FreedesktopImage fimg(img); + return QVariant(FreedesktopImage::metaType(), &fimg); +} + +void Notificator::notifyDBus(Class cls, const QString &title, const QString &text, const QIcon &icon, int millisTimeout) +{ + Q_UNUSED(cls); + // Arguments for DBus call: + QList args; + + // Program Name: + args.append(programName); + + // Unique ID of this notification type: + args.append(0U); + + // Application Icon, empty string + args.append(QString()); + + // Summary + args.append(title); + + // Body + args.append(text); + + // Actions (none, actions are deprecated) + QStringList actions; + args.append(actions); + + // Hints + QVariantMap hints; + + // If no icon specified, set icon based on class + QIcon tmpicon; + if(icon.isNull()) + { + QStyle::StandardPixmap sicon = QStyle::SP_MessageBoxQuestion; + switch(cls) + { + case Information: sicon = QStyle::SP_MessageBoxInformation; break; + case Warning: sicon = QStyle::SP_MessageBoxWarning; break; + case Critical: sicon = QStyle::SP_MessageBoxCritical; break; + default: break; + } + tmpicon = QApplication::style()->standardIcon(sicon); + } + else + { + tmpicon = icon; + } + hints["icon_data"] = FreedesktopImage::toVariant(tmpicon.pixmap(FREEDESKTOP_NOTIFICATION_ICON_SIZE).toImage()); + args.append(hints); + + // Timeout (in msec) + args.append(millisTimeout); + + // "Fire and forget" + interface->callWithArgumentList(QDBus::NoBlock, "Notify", args); +} +#endif + +void Notificator::notifySystray(Class cls, const QString &title, const QString &text, const QIcon &icon, int millisTimeout) +{ + Q_UNUSED(icon); + QSystemTrayIcon::MessageIcon sicon = QSystemTrayIcon::NoIcon; + switch(cls) // Set icon based on class + { + case Information: sicon = QSystemTrayIcon::Information; break; + case Warning: sicon = QSystemTrayIcon::Warning; break; + case Critical: sicon = QSystemTrayIcon::Critical; break; + } + trayIcon->showMessage(title, text, sicon, millisTimeout); +} + +void Notificator::notify(Class cls, const QString &title, const QString &text, const QIcon &icon, int millisTimeout) +{ + switch(mode) + { +#ifdef QT_DBUS + case Freedesktop: + notifyDBus(cls, title, text, icon, millisTimeout); + break; +#endif + case QSystemTray: + notifySystray(cls, title, text, icon, millisTimeout); + break; + default: + if(cls == Critical) + { + // Fall back to old fashioned popup dialog if critical and no other notification available + QMessageBox::critical(parent, title, text, QMessageBox::Ok, QMessageBox::Ok); + } + break; + } +} diff --git a/src/qt/notificator.h b/src/qt/notificator.h new file mode 100644 index 0000000..13f6a90 --- /dev/null +++ b/src/qt/notificator.h @@ -0,0 +1,63 @@ +#ifndef NOTIFICATOR_H +#define NOTIFICATOR_H + +#include +#include + +QT_BEGIN_NAMESPACE +class QSystemTrayIcon; +#ifdef QT_DBUS +class QDBusInterface; +#endif +QT_END_NAMESPACE + +// Cross-platform desktop notification client +class Notificator: public QObject +{ + Q_OBJECT +public: + // Create a new notificator + // Ownership of trayIcon is not transferred to this object + Notificator(const QString &programName=QString(), QSystemTrayIcon *trayIcon=0, QWidget *parent=0); + ~Notificator(); + + // Message class + enum Class + { + Information, + Warning, + Critical, + }; + +public slots: + + /* Show notification message. + * + * cls: general message class + * title: title shown with message + * text: message content + * icon: optional icon to show with message + * millisTimeout: notification timeout in milliseconds (default 10 seconds) + */ + void notify(Class cls, const QString &title, const QString &text, + const QIcon &icon = QIcon(), int millisTimeout = 10000); + +private: + QWidget *parent; + enum Mode { + None, + Freedesktop, // Use DBus org.freedesktop.Notifications + QSystemTray, // Use QSystemTray::showMessage + }; + QString programName; + Mode mode; + QSystemTrayIcon *trayIcon; +#ifdef QT_DBUS + QDBusInterface *interface; + + void notifyDBus(Class cls, const QString &title, const QString &text, const QIcon &icon, int millisTimeout); +#endif + void notifySystray(Class cls, const QString &title, const QString &text, const QIcon &icon, int millisTimeout); +}; + +#endif // NOTIFICATOR_H -- 1.7.1