Pull request #21: windows fixes/cleanup by Matoking
[novacoin.git] / src / qt / bitcoingui.cpp
index dd94652..6d8060d 100644 (file)
 #include "transactionview.h"
 #include "overviewpage.h"
 #include "bitcoinunits.h"
+#include "guiconstants.h"
+#include "askpassphrasedialog.h"
+#include "notificator.h"
+#include "qtwin.h"
 
 #include <QApplication>
 #include <QMainWindow>
@@ -47,7 +51,10 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
     QMainWindow(parent),
     clientModel(0),
     walletModel(0),
-    trayIcon(0)
+    encryptWalletAction(0),
+    changePassphraseAction(0),
+    trayIcon(0),
+    notificator(0)
 {
     resize(850, 550);
     setWindowTitle(tr("Bitcoin Wallet"));
@@ -58,16 +65,19 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
     createActions();
 
     // Menus
-    QMenu *file = menuBar()->addMenu("&File");
+    QMenu *file = menuBar()->addMenu(tr("&File"));
     file->addAction(sendCoinsAction);
     file->addAction(receiveCoinsAction);
     file->addSeparator();
     file->addAction(quitAction);
     
-    QMenu *settings = menuBar()->addMenu("&Settings");
+    QMenu *settings = menuBar()->addMenu(tr("&Settings"));
+    settings->addAction(encryptWalletAction);
+    settings->addAction(changePassphraseAction);
+    settings->addSeparator();
     settings->addAction(optionsAction);
 
-    QMenu *help = menuBar()->addMenu("&Help");
+    QMenu *help = menuBar()->addMenu(tr("&Help"));
     help->addAction(aboutAction);
     
     // Toolbars
@@ -105,7 +115,7 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
     centralWidget->addWidget(receiveCoinsPage);
     centralWidget->addWidget(sendCoinsPage);
     setCentralWidget(centralWidget);
-    
+
     // Create status bar
     statusBar();
 
@@ -118,9 +128,12 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
     frameBlocksLayout->setContentsMargins(3,0,3,0);
     frameBlocksLayout->setSpacing(3);
+    labelEncryptionIcon = new QLabel();
     labelConnectionsIcon = new QLabel();
     labelBlocksIcon = new QLabel();
     frameBlocksLayout->addStretch();
+    frameBlocksLayout->addWidget(labelEncryptionIcon);
+    frameBlocksLayout->addStretch();
     frameBlocksLayout->addWidget(labelConnectionsIcon);
     frameBlocksLayout->addStretch();
     frameBlocksLayout->addWidget(labelBlocksIcon);
@@ -147,6 +160,16 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
     // Doubleclicking on a transaction on the transaction history page shows details
     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 
+#ifdef Q_OS_WIN
+    // Windows-specific customization
+    if (QtWin::isCompositionEnabled())
+    {
+        QtWin::extendFrameIntoClientArea(&window);
+        window.setContentsMargins(0, 0, 0, 0);
+    }
+#endif
+    setWindowComposition();
+
     gotoOverviewPage();
 }
 
@@ -195,11 +218,18 @@ void BitcoinGUI::createActions()
     openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
     exportAction->setToolTip(tr("Export the current view to a file"));
+    encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet"), this);
+    encryptWalletAction->setToolTip(tr("Encrypt or decrypt wallet"));
+    encryptWalletAction->setCheckable(true);
+    changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase"), this);
+    changePassphraseAction->setToolTip(tr("Change the passphrase used for wallet encryption"));
 
     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
-    connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(show()));
+    connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(showNormal()));
+    connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
+    connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 }
 
 void BitcoinGUI::setClientModel(ClientModel *clientModel)
@@ -244,9 +274,15 @@ void BitcoinGUI::setWalletModel(WalletModel *walletModel)
     receiveCoinsPage->setModel(walletModel->getAddressTableModel());
     sendCoinsPage->setModel(walletModel);
 
+    setEncryptionStatus(walletModel->getEncryptionStatus());
+    connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
+
     // Balloon popup for new transaction
     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
             this, SLOT(incomingTransaction(QModelIndex,int,int)));
+
+    // Ask for passphrase if needed
+    connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 }
 
 void BitcoinGUI::createTrayIcon()
@@ -264,15 +300,18 @@ 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)
 {
     if(reason == QSystemTrayIcon::Trigger)
     {
-        // Doubleclick on system tray icon triggers "open bitcoin"
+        // Click on system tray icon triggers "open bitcoin"
         openBitcoinAction->trigger();
     }
+
 }
 
 void BitcoinGUI::optionsClicked()
@@ -300,7 +339,7 @@ void BitcoinGUI::setNumConnections(int count)
     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
     default: icon = ":/icons/connect_4"; break;
     }
-    labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(16,16));
+    labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 }
 
@@ -351,7 +390,7 @@ void BitcoinGUI::setNumBlocks(int count)
     if(secs < 30*60)
     {
         tooltip = tr("Up to date") + QString("\n") + tooltip;
-        labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(16,16));
+        labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
     }
     else
     {
@@ -371,18 +410,7 @@ 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)
@@ -398,10 +426,12 @@ void BitcoinGUI::changeEvent(QEvent *e)
             }
             else
             {
+                show();
                 e->accept();
             }
         }
     }
+    setWindowComposition();
     QMainWindow::changeEvent(e);
 }
 
@@ -415,6 +445,41 @@ void BitcoinGUI::closeEvent(QCloseEvent *event)
     QMainWindow::closeEvent(event);
 }
 
+void BitcoinGUI::setWindowComposition()
+{
+#ifdef Q_OS_WIN
+    // Make the background transparent on Windows Vista or 7, except when maximized
+    // Otherwise text becomes hard to read
+    if (QtWin::isCompositionEnabled())
+    {
+        QPalette pal = palette();
+        QColor bg = pal.window().color();
+        if(isMaximized())
+        {
+            setAttribute(Qt::WA_TranslucentBackground, false);
+            setAttribute(Qt::WA_StyledBackground, true);
+            QBrush wb = pal.window();
+            bg = wb.color();
+            bg.setAlpha(255);
+            pal.setColor(QPalette::Window, bg);
+            setPalette(pal);
+
+        }
+        else
+        {
+            setAttribute(Qt::WA_TranslucentBackground);
+            setAttribute(Qt::WA_StyledBackground, false);
+            bg.setAlpha(0);
+            pal.setColor(QPalette::Window, bg);
+            setPalette(pal);
+            setAttribute(Qt::WA_NoSystemBackground, false);
+            ensurePolished();
+            setAttribute(Qt::WA_StyledBackground, false);
+        }
+    }
+#endif
+}
+
 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 {
     QString strMessage =
@@ -430,8 +495,6 @@ 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();
@@ -445,14 +508,21 @@ 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);
     }
 }
 
@@ -531,3 +601,59 @@ void BitcoinGUI::dropEvent(QDropEvent *event)
     event->acceptProposedAction();
 }
 
+void BitcoinGUI::setEncryptionStatus(int status)
+{
+    switch(status)
+    {
+    case WalletModel::Unencrypted:
+        labelEncryptionIcon->hide();
+        encryptWalletAction->setChecked(false);
+        changePassphraseAction->setEnabled(false);
+        encryptWalletAction->setEnabled(true);
+        break;
+    case WalletModel::Unlocked:
+        labelEncryptionIcon->show();
+        labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+        labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
+        encryptWalletAction->setChecked(true);
+        changePassphraseAction->setEnabled(true);
+        encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
+        break;
+    case WalletModel::Locked:
+        labelEncryptionIcon->show();
+        labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+        labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
+        encryptWalletAction->setChecked(true);
+        changePassphraseAction->setEnabled(true);
+        encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
+        break;
+    }
+}
+
+void BitcoinGUI::encryptWallet(bool status)
+{
+    AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
+                                     AskPassphraseDialog::Decrypt, this);
+    dlg.setModel(walletModel);
+    dlg.exec();
+
+    setEncryptionStatus(walletModel->getEncryptionStatus());
+}
+
+void BitcoinGUI::changePassphrase()
+{
+    AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
+    dlg.setModel(walletModel);
+    dlg.exec();
+}
+
+void BitcoinGUI::unlockWallet()
+{
+    // Unlock wallet when requested by wallet model
+    if(walletModel->getEncryptionStatus() == WalletModel::Locked)
+    {
+        AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
+        dlg.setModel(walletModel);
+        dlg.exec();
+    }
+}