Pull request #21: windows fixes/cleanup by Matoking
[novacoin.git] / src / qt / bitcoingui.cpp
index 655ae5c..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>
@@ -38,7 +42,8 @@
 #include <QDateTime>
 #include <QMovie>
 
-#include <QDebug>
+#include <QDragEnterEvent>
+#include <QUrl>
 
 #include <iostream>
 
@@ -46,29 +51,37 @@ 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"));
     setWindowIcon(QIcon(":icons/bitcoin"));
+    // Accept D&D of URIs
+    setAcceptDrops(true);
 
     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);
     
-    // Toolbar
-    QToolBar *toolbar = addToolBar("Main toolbar");
+    // Toolbars
+    QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
     toolbar->addAction(overviewAction);
     toolbar->addAction(sendCoinsAction);
@@ -76,19 +89,17 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
     toolbar->addAction(historyAction);
     toolbar->addAction(addressBookAction);
 
-    QToolBar *toolbar2 = addToolBar("Transactions toolbar");
+    QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
     toolbar2->addAction(exportAction);
 
-    // Overview page
+    // Create tabs
     overviewPage = new OverviewPage();
-    QVBoxLayout *vbox = new QVBoxLayout();
 
+    transactionsPage = new QWidget(this);
+    QVBoxLayout *vbox = new QVBoxLayout();
     transactionView = new TransactionView(this);
-    connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
     vbox->addWidget(transactionView);
-
-    transactionsPage = new QWidget(this);
     transactionsPage->setLayout(vbox);
 
     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
@@ -104,38 +115,28 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
     centralWidget->addWidget(receiveCoinsPage);
     centralWidget->addWidget(sendCoinsPage);
     setCentralWidget(centralWidget);
-    
+
     // Create status bar
     statusBar();
 
-    // Status bar "Connections" notification
-    QFrame *frameConnections = new QFrame();
-    frameConnections->setFrameStyle(QFrame::Panel | QFrame::Sunken);
-    frameConnections->setMinimumWidth(150);
-    frameConnections->setMaximumWidth(150);
-    QHBoxLayout *frameConnectionsLayout = new QHBoxLayout(frameConnections);
-    frameConnectionsLayout->setContentsMargins(3,0,3,0);
-    frameConnectionsLayout->setSpacing(3);
-    labelConnectionsIcon = new QLabel();
-    labelConnectionsIcon->setToolTip(tr("Number of connections to other clients"));
-    frameConnectionsLayout->addWidget(labelConnectionsIcon);
-    labelConnections = new QLabel();
-    labelConnections->setToolTip(tr("Number of connections to other clients"));
-    frameConnectionsLayout->addWidget(labelConnections);
-    frameConnectionsLayout->addStretch();
-
-    // Status bar "Blocks" notification
+    // Status bar notification icons
     QFrame *frameBlocks = new QFrame();
-    frameBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
-    frameBlocks->setMinimumWidth(150);
-    frameBlocks->setMaximumWidth(150);
+    //frameBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
+    frameBlocks->setContentsMargins(0,0,0,0);
+    frameBlocks->setMinimumWidth(56);
+    frameBlocks->setMaximumWidth(56);
     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);
-    labelBlocks = new QLabel();
-    frameBlocksLayout->addWidget(labelBlocks);
     frameBlocksLayout->addStretch();
 
     // Progress bar for blocks download
@@ -147,13 +148,28 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
 
     statusBar()->addWidget(progressBarLabel);
     statusBar()->addWidget(progressBar);
-    statusBar()->addPermanentWidget(frameConnections);
     statusBar()->addPermanentWidget(frameBlocks);
 
     createTrayIcon();
 
     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 
+    // Clicking on a transaction on the overview page simply sends you to transaction history page
+    connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
+
+    // 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();
 }
 
@@ -202,11 +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)
@@ -251,16 +274,21 @@ 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()
 {
     QMenu *trayIconMenu = new QMenu(this);
     trayIconMenu->addAction(openBitcoinAction);
-    trayIconMenu->addAction(sendCoinsAction);
     trayIconMenu->addAction(optionsAction);
     trayIconMenu->addSeparator();
     trayIconMenu->addAction(quitAction);
@@ -272,15 +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::DoubleClick)
+    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()
@@ -308,8 +339,8 @@ 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));
-    labelConnections->setText(tr("%n connection(s)", "", count));
+    labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+    labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 }
 
 void BitcoinGUI::setNumBlocks(int count)
@@ -355,31 +386,23 @@ void BitcoinGUI::setNumBlocks(int count)
         text = tr("%n day(s) ago","",secs/(60*60*24));
     }
 
-    // In the label we want to be less specific
-    QString labelText = text;
-    bool spinning = true;
+    // Set icon state: spinning if catching up, tick otherwise
     if(secs < 30*60)
     {
-        labelText = "Up to date";
-        spinning = false;
+        tooltip = tr("Up to date") + QString("\n") + tooltip;
+        labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
     }
-
-    tooltip += QString("\n");
-    tooltip += tr("Last received block was generated %1.").arg(text);
-
-    if(spinning)
+    else
     {
+        tooltip = tr("Catching up...") + QString("\n") + tooltip;
         labelBlocksIcon->setMovie(syncIconMovie);
         syncIconMovie->start();
     }
-    else
-    {
-        labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(16,16));
-    }
-    labelBlocks->setText(labelText);
+
+    tooltip += QString("\n");
+    tooltip += tr("Last received block was generated %1.").arg(text);
 
     labelBlocksIcon->setToolTip(tooltip);
-    labelBlocks->setToolTip(tooltip);
     progressBarLabel->setToolTip(tooltip);
     progressBar->setToolTip(tooltip);
 }
@@ -387,18 +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)
@@ -414,10 +426,12 @@ void BitcoinGUI::changeEvent(QEvent *e)
             }
             else
             {
+                show();
                 e->accept();
             }
         }
     }
+    setWindowComposition();
     QMainWindow::changeEvent(e);
 }
 
@@ -431,6 +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 =
@@ -451,7 +500,7 @@ void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int
                     .data(Qt::EditRole).toULongLong();
     if(!clientModel->inInitialBlockDownload())
     {
-        // On incoming transaction, make an info balloon
+        // On new transaction, make an info balloon
         // Unless the initial block download is in progress, to prevent balloon-spam
         QString date = ttm->index(start, TransactionTableModel::Date, parent)
                         .data().toString();
@@ -459,14 +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);
     }
 }
 
@@ -512,10 +568,92 @@ void BitcoinGUI::gotoReceiveCoinsPage()
 void BitcoinGUI::gotoSendCoinsPage()
 {
     sendCoinsAction->setChecked(true);
-    sendCoinsPage->clear();
+    if(centralWidget->currentWidget() != sendCoinsPage)
+    {
+        // Clear the current contents if we arrived from another tab
+        sendCoinsPage->clear();
+    }
     centralWidget->setCurrentWidget(sendCoinsPage);
 
     exportAction->setEnabled(false);
     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 }
 
+void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
+{
+    // Accept only URLs
+    if(event->mimeData()->hasUrls())
+        event->acceptProposedAction();
+}
+
+void BitcoinGUI::dropEvent(QDropEvent *event)
+{
+    if(event->mimeData()->hasUrls())
+    {
+        gotoSendCoinsPage();
+        QList<QUrl> urls = event->mimeData()->urls();
+        foreach(const QUrl &url, urls)
+        {
+            sendCoinsPage->handleURL(&url);
+        }
+    }
+
+    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();
+    }
+}