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(k)ubuntu 10.04+ notification support (based on @zwierzak his code)

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This commit is contained in:
Wladimir J. van der Laan 2011-09-03 20:52:54 +02:00
parent 69e87633bc
commit cf9195c808
6 changed files with 336 additions and 28 deletions
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21
README.rst
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@ -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
==========================

12
bitcoin-qt.pro
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@ -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

40
src/qt/bitcoingui.cpp
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@ -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();
QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
TransactionTableModel::ToAddress, parent)
.data(Qt::DecorationRole));
trayIcon->showMessage((amount)<0 ? tr("Sent transaction") :
notificator->notify(Notificator::Information,
(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);
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);
}
}

2
src/qt/bitcoingui.h
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@ -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;

224
src/qt/notificator.cpp Normal file
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@ -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;
}
}

63
src/qt/notificator.h Normal file
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@ -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