Hide window from taskbar when "minimize to tray" active by making window into Tool...
[novacoin.git] / src / qt / bitcoingui.cpp
index b9995fd..ff862cf 100644 (file)
@@ -2,6 +2,7 @@
  * Qt4 bitcoin GUI.
  *
  * W.J. van der Laan 2011
+ * The Bitcoin Developers 2011
  */
 #include "bitcoingui.h"
 #include "transactiontablemodel.h"
@@ -56,6 +57,7 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
     walletModel(0),
     encryptWalletAction(0),
     changePassphraseAction(0),
+    aboutQtAction(0),
     trayIcon(0),
     notificator(0)
 {
@@ -191,10 +193,15 @@ void BitcoinGUI::createActions()
     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
     tabGroup->addAction(sendCoinsAction);
 
+    connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormal()));
     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
+    connect(historyAction, SIGNAL(triggered()), this, SLOT(showNormal()));
     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
+    connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormal()));
     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
+    connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(showNormal()));
     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
+    connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(showNormal()));
     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 
     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
@@ -203,7 +210,10 @@ void BitcoinGUI::createActions()
     quitAction->setMenuRole(QAction::QuitRole);
     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About %1").arg(qApp->applicationName()), this);
     aboutAction->setToolTip(tr("Show information about Bitcoin"));
-    aboutAction->setMenuRole(QAction::AboutQtRole);
+    aboutAction->setMenuRole(QAction::AboutRole);
+    aboutQtAction = new QAction(tr("About &Qt"), this);
+    aboutQtAction->setToolTip(tr("Show information about Qt"));
+    aboutQtAction->setMenuRole(QAction::AboutQtRole);
     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
     optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
     optionsAction->setMenuRole(QAction::PreferencesRole);
@@ -220,6 +230,7 @@ void BitcoinGUI::createActions()
     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
+    connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
     connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(showNormal()));
     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
@@ -247,6 +258,7 @@ void BitcoinGUI::createMenuBar()
 
     QMenu *help = appMenuBar->addMenu(tr("&Help"));
     help->addAction(aboutAction);
+    help->addAction(aboutQtAction);
 }
 
 void BitcoinGUI::createToolBars()
@@ -267,58 +279,62 @@ void BitcoinGUI::createToolBars()
 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 {
     this->clientModel = clientModel;
-
-    if(clientModel->isTestNet())
+    if(clientModel)
     {
-        QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
-        setWindowTitle(title_testnet);
+        if(clientModel->isTestNet())
+        {
+            QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
+            setWindowTitle(title_testnet);
 #ifndef Q_WS_MAC
-        setWindowIcon(QIcon(":icons/bitcoin_testnet"));
+            setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 #else
-        MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
+            MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
 #endif
-        if(trayIcon)
-        {
-            trayIcon->setToolTip(title_testnet);
-            trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
+            if(trayIcon)
+            {
+                trayIcon->setToolTip(title_testnet);
+                trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
+            }
         }
-    }
 
-    // Keep up to date with client
-    setNumConnections(clientModel->getNumConnections());
-    connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
+        // Keep up to date with client
+        setNumConnections(clientModel->getNumConnections());
+        connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 
-    setNumBlocks(clientModel->getNumBlocks());
-    connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
+        setNumBlocks(clientModel->getNumBlocks());
+        connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 
-    // Report errors from network/worker thread
-    connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
+        // Report errors from network/worker thread
+        connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
+    }
 }
 
 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 {
     this->walletModel = walletModel;
+    if(walletModel)
+    {
+        // Report errors from wallet thread
+        connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 
-    // Report errors from wallet thread
-    connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
-
-    // Put transaction list in tabs
-    transactionView->setModel(walletModel);
+        // Put transaction list in tabs
+        transactionView->setModel(walletModel);
 
-    overviewPage->setModel(walletModel);
-    addressBookPage->setModel(walletModel->getAddressTableModel());
-    receiveCoinsPage->setModel(walletModel->getAddressTableModel());
-    sendCoinsPage->setModel(walletModel);
+        overviewPage->setModel(walletModel);
+        addressBookPage->setModel(walletModel->getAddressTableModel());
+        receiveCoinsPage->setModel(walletModel->getAddressTableModel());
+        sendCoinsPage->setModel(walletModel);
 
-    setEncryptionStatus(walletModel->getEncryptionStatus());
-    connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
+        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)));
+        // 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()));
+        // Ask for passphrase if needed
+        connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
+    }
 }
 
 void BitcoinGUI::createTrayIcon()
@@ -363,12 +379,13 @@ void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
         // Click on system tray icon triggers "open bitcoin"
         openBitcoinAction->trigger();
     }
-
 }
 #endif
 
 void BitcoinGUI::optionsClicked()
 {
+    if(!clientModel || !clientModel->getOptionsModel())
+        return;
     OptionsDialog dlg;
     dlg.setModel(clientModel->getOptionsModel());
     dlg.exec();
@@ -398,21 +415,38 @@ void BitcoinGUI::setNumConnections(int count)
 
 void BitcoinGUI::setNumBlocks(int count)
 {
-    int initTotal = clientModel->getNumBlocksAtStartup();
+    if(!clientModel)
+        return;
     int total = clientModel->getNumBlocksOfPeers();
     QString tooltip;
 
     if(count < total)
     {
-        progressBarLabel->setVisible(true);
-        progressBar->setVisible(true);
-        progressBar->setMaximum(total - initTotal);
-        progressBar->setValue(count - initTotal);
+        if (clientModel->getStatusBarWarnings() == "")
+        {
+            progressBarLabel->setVisible(true);
+            progressBarLabel->setText(tr("Synchronizing with network..."));
+            progressBar->setVisible(true);
+            progressBar->setMaximum(total);
+            progressBar->setValue(count);
+        }
+        else
+        {
+            progressBarLabel->setText(clientModel->getStatusBarWarnings());
+            progressBarLabel->setVisible(true);
+            progressBar->setVisible(false);
+        }
         tooltip = tr("Downloaded %1 of %2 blocks of transaction history.").arg(count).arg(total);
     }
     else
     {
-        progressBarLabel->setVisible(false);
+        if (clientModel->getStatusBarWarnings() == "")
+            progressBarLabel->setVisible(false);
+        else
+        {
+            progressBarLabel->setText(clientModel->getStatusBarWarnings());
+            progressBarLabel->setVisible(true);
+        }
         progressBar->setVisible(false);
         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
     }
@@ -423,7 +457,11 @@ void BitcoinGUI::setNumBlocks(int count)
     QString text;
 
     // Represent time from last generated block in human readable text
-    if(secs < 60)
+    if(secs <= 0)
+    {
+        // Fully up to date. Leave text empty.
+    }
+    else if(secs < 60)
     {
         text = tr("%n second(s) ago","",secs);
     }
@@ -443,7 +481,7 @@ void BitcoinGUI::setNumBlocks(int count)
     // Set icon state: spinning if catching up, tick otherwise
     if(secs < 30*60)
     {
-        tooltip = tr("Up to date") + QString("\n") + tooltip;
+        tooltip = tr("Up to date") + QString(".\n") + tooltip;
         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
     }
     else
@@ -453,14 +491,30 @@ void BitcoinGUI::setNumBlocks(int count)
         syncIconMovie->start();
     }
 
-    tooltip += QString("\n");
-    tooltip += tr("Last received block was generated %1.").arg(text);
+    if(!text.isEmpty())
+    {
+        tooltip += QString("\n");
+        tooltip += tr("Last received block was generated %1.").arg(text);
+    }
 
     labelBlocksIcon->setToolTip(tooltip);
     progressBarLabel->setToolTip(tooltip);
     progressBar->setToolTip(tooltip);
 }
 
+void BitcoinGUI::refreshStatusBar()
+{
+    /* Might display multiple times in the case of multiple alerts
+    static QString prevStatusBar;
+    QString newStatusBar = clientModel->getStatusBarWarnings();
+    if (prevStatusBar != newStatusBar)
+    {
+        prevStatusBar = newStatusBar;
+        error(tr("Network Alert"), newStatusBar);
+    }*/
+    setNumBlocks(clientModel->getNumBlocks());
+}
+
 void BitcoinGUI::error(const QString &title, const QString &message)
 {
     // Report errors from network/worker thread
@@ -470,19 +524,23 @@ void BitcoinGUI::error(const QString &title, const QString &message)
 void BitcoinGUI::changeEvent(QEvent *e)
 {
 #ifndef Q_WS_MAC // Ignored on Mac
-    if (e->type() == QEvent::WindowStateChange)
+    if(e->type() == QEvent::WindowStateChange)
     {
-        if (clientModel->getOptionsModel()->getMinimizeToTray())
+        if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
         {
-            if (isMinimized())
+            QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
+            bool wasMinimized = wsevt->oldState() & Qt::WindowMinimized;
+            bool isMinimized = windowState() & Qt::WindowMinimized;
+            if(!wasMinimized && isMinimized)
             {
-                hide();
-                e->ignore();
+                // Minimized, hide the window from taskbar
+                setWindowFlags(windowFlags() | Qt::Tool);
+                return;
             }
-            else
+            else if(wasMinimized && !isMinimized)
             {
-                show();
-                e->accept();
+                // Unminimized, show the window in taskbar
+                setWindowFlags(windowFlags() &~ Qt::Tool);
             }
         }
     }
@@ -492,13 +550,16 @@ void BitcoinGUI::changeEvent(QEvent *e)
 
 void BitcoinGUI::closeEvent(QCloseEvent *event)
 {
-#ifndef Q_WS_MAC // Ignored on Mac
-    if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
-       !clientModel->getOptionsModel()->getMinimizeOnClose())
+    if(clientModel)
     {
-        qApp->quit();
-    }
+#ifndef Q_WS_MAC // Ignored on Mac
+        if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
+           !clientModel->getOptionsModel()->getMinimizeOnClose())
+        {
+            qApp->quit();
+        }
 #endif
+    }
     QMainWindow::closeEvent(event);
 }
 
@@ -517,6 +578,8 @@ void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 
 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 {
+    if(!walletModel || !clientModel)
+        return;
     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
                     .data(Qt::EditRole).toULongLong();
@@ -550,7 +613,6 @@ void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int
 
 void BitcoinGUI::gotoOverviewPage()
 {
-    show();
     overviewAction->setChecked(true);
     centralWidget->setCurrentWidget(overviewPage);
 
@@ -560,7 +622,6 @@ void BitcoinGUI::gotoOverviewPage()
 
 void BitcoinGUI::gotoHistoryPage()
 {
-    show();
     historyAction->setChecked(true);
     centralWidget->setCurrentWidget(transactionsPage);
 
@@ -571,7 +632,6 @@ void BitcoinGUI::gotoHistoryPage()
 
 void BitcoinGUI::gotoAddressBookPage()
 {
-    show();
     addressBookAction->setChecked(true);
     centralWidget->setCurrentWidget(addressBookPage);
 
@@ -582,7 +642,6 @@ void BitcoinGUI::gotoAddressBookPage()
 
 void BitcoinGUI::gotoReceiveCoinsPage()
 {
-    show();
     receiveCoinsAction->setChecked(true);
     centralWidget->setCurrentWidget(receiveCoinsPage);
 
@@ -593,7 +652,6 @@ void BitcoinGUI::gotoReceiveCoinsPage()
 
 void BitcoinGUI::gotoSendCoinsPage()
 {
-    show();
     sendCoinsAction->setChecked(true);
     centralWidget->setCurrentWidget(sendCoinsPage);
 
@@ -654,6 +712,8 @@ void BitcoinGUI::setEncryptionStatus(int status)
 
 void BitcoinGUI::encryptWallet(bool status)
 {
+    if(!walletModel)
+        return;
     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
                                      AskPassphraseDialog::Decrypt, this);
     dlg.setModel(walletModel);
@@ -671,6 +731,8 @@ void BitcoinGUI::changePassphrase()
 
 void BitcoinGUI::unlockWallet()
 {
+    if(!walletModel)
+        return;
     // Unlock wallet when requested by wallet model
     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
     {