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authorWladimir J. van der Laan <laanwj@gmail.com>2011-09-03 20:52:54 +0200
committerWladimir J. van der Laan <laanwj@gmail.com>2011-09-03 21:05:12 +0200
commitcf9195c8085bade8076e064c043756024fcafa5a (patch)
tree3c04669d98b77c443ada24369bba735f44ac342d /src/qt
parent69e87633bca0e43f3a58dad921a6fb1bdecd307b (diff)
(k)ubuntu 10.04+ notification support (based on @zwierzak his code)
Diffstat (limited to 'src/qt')
-rw-r--r--src/qt/bitcoingui.cpp44
-rw-r--r--src/qt/bitcoingui.h2
-rw-r--r--src/qt/notificator.cpp224
-rw-r--r--src/qt/notificator.h63
4 files changed, 310 insertions, 23 deletions
diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index e15941e7dd..95646b1df1 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 <QApplication>
#include <QMainWindow>
@@ -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<QIcon>(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 484987ca68..59661350c3 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 0000000000..86ccfc8541
--- /dev/null
+++ b/src/qt/notificator.cpp
@@ -0,0 +1,224 @@
+#include "notificator.h"
+
+#include <QMetaType>
+#include <QVariant>
+#include <QIcon>
+#include <QApplication>
+#include <QStyle>
+#include <QByteArray>
+#include <QSystemTrayIcon>
+#include <QMessageBox>
+
+#ifdef QT_DBUS
+#include <QtDBus/QtDBus>
+#include <stdint.h>
+#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<const uint32_t*>(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<FreedesktopImage>();
+}
+
+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<QVariant> 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 0000000000..13f6a908da
--- /dev/null
+++ b/src/qt/notificator.h
@@ -0,0 +1,63 @@
+#ifndef NOTIFICATOR_H
+#define NOTIFICATOR_H
+
+#include <QObject>
+#include <QIcon>
+
+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