core initialisation, client model binding

bitcoin.pro

@@ -4,6 +4,7 @@ DEPENDPATH += .
 INCLUDEPATH += gui/include core/include cryptopp/include json/include
 unix:LIBS += -lssl -lboost_system -lboost_filesystem -lboost_program_options -lboost_thread -ldb_cxx
 macx:DEFINES += __WXMAC_OSX__ MSG_NOSIGNAL=0
+# WINDOWS defines, -DSSL, look at build system
 
 # Input
 HEADERS += gui/include/bitcoingui.h \
@@ -51,7 +52,9 @@ HEADERS += gui/include/bitcoingui.h \
     json/include/json/json_spirit_reader.h \
     json/include/json/json_spirit_error_position.h \
     json/include/json/json_spirit.h \
-    core/include/rpc.h
+    core/include/rpc.h \
+    gui/src/clientmodel.h \
+    gui/include/clientmodel.h
 SOURCES += gui/src/bitcoin.cpp gui/src/bitcoingui.cpp \
     gui/src/transactiontablemodel.cpp \
     gui/src/addresstablemodel.cpp \
@@ -74,7 +77,8 @@ SOURCES += gui/src/bitcoin.cpp gui/src/bitcoingui.cpp \
     core/src/db.cpp \
     json/src/json_spirit_writer.cpp \
     json/src/json_spirit_value.cpp \
-    json/src/json_spirit_reader.cpp
+    json/src/json_spirit_reader.cpp \
+    gui/src/clientmodel.cpp
 
 RESOURCES += \
     gui/bitcoin.qrc

core/src/init.cpp

@@ -513,9 +513,11 @@ bool AppInit2(int argc, char* argv[])
         SetStartOnSystemStartup(true);
 #endif
 
+#if 0
 #ifndef GUI
     while (1)
         Sleep(5000);
+#endif
 #endif
 
     return true;

gui/include/bitcoingui.h

@@ -6,6 +6,7 @@
 
 /* Forward declarations */
 class TransactionTableModel;
+class ClientModel;
 
 QT_BEGIN_NAMESPACE
 class QLabel;
@@ -17,6 +18,7 @@ class BitcoinGUI : public QMainWindow
     Q_OBJECT
 public:
     explicit BitcoinGUI(QWidget *parent = 0);
+    void setModel(ClientModel *model);
     
     /* Transaction table tab indices */
     enum {
@@ -27,6 +29,7 @@ public:
     } TabIndex;
 private:
     TransactionTableModel *transaction_model;
+    ClientModel *model;
 
     QLineEdit *address;
     QLabel *labelBalance;

gui/include/clientmodel.h

@@ -0,0 +1,31 @@
+#ifndef CLIENTMODEL_H
+#define CLIENTMODEL_H
+
+#include <QObject>
+
+class ClientModel : public QObject
+{
+    Q_OBJECT
+public:
+    explicit ClientModel(QObject *parent = 0);
+
+    double getBalance();
+    QString getAddress();
+    int getNumConnections();
+    int getNumBlocks();
+    int getNumTransactions();
+
+signals:
+    void balanceChanged(double balance);
+    void addressChanged(const QString &address);
+    void numConnectionsChanged(int count);
+    void numBlocksChanged(int count);
+    void numTransactionsChanged(int count);
+
+public slots:
+
+private slots:
+    void update();
+};
+
+#endif // CLIENTMODEL_H

gui/src/bitcoin.cpp

@@ -2,7 +2,9 @@
  * W.J. van der Laan 2011
  */
 #include "bitcoingui.h"
+#include "clientmodel.h"
 #include "util.h"
+#include "init.h"
 
 #include <QApplication>
 
@@ -10,19 +12,29 @@ int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);
 
-    /* Testing on testnet */
-    fTestNet = true;
-
+    try {
+        if(AppInit2(argc, argv))
+        {
+            ClientModel model;
             BitcoinGUI window;
-    window.setBalance(1234.567890);
-    window.setNumConnections(4);
-    window.setNumTransactions(4);
-    window.setNumBlocks(33);
-    window.setAddress("123456789");
+            window.setModel(&model);
 
             window.show();
 
             /* Depending on settings: QApplication::setQuitOnLastWindowClosed(false); */
+            int retval = app.exec();
 
-    return app.exec();
+            Shutdown(NULL);
+
+            return retval;
+        }
+        else
+        {
+            return 1;
+        }
+    } catch (std::exception& e) {
+        PrintException(&e, "Runaway exception");
+    } catch (...) {
+        PrintException(NULL, "Runaway exception");
+    }
 }

gui/src/bitcoingui.cpp

@@ -9,6 +9,7 @@
 #include "sendcoinsdialog.h"
 #include "optionsdialog.h"
 #include "aboutdialog.h"
+#include "clientmodel.h"
 
 #include <QApplication>
 #include <QMainWindow>
@@ -139,6 +140,26 @@ void BitcoinGUI::createActions()
     connect(about, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 }
 
+void BitcoinGUI::setModel(ClientModel *model)
+{
+    this->model = model;
+
+    setBalance(model->getBalance());
+    connect(model, SIGNAL(balanceChanged(double)), this, SLOT(setBalance(double)));
+
+    setNumConnections(model->getNumConnections());
+    connect(model, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
+
+    setNumTransactions(model->getNumTransactions());
+    connect(model, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
+
+    setNumBlocks(model->getNumBlocks());
+    connect(model, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
+
+    setAddress(model->getAddress());
+    connect(model, SIGNAL(addressChanged(QString)), this, SLOT(setAddress(QString)));
+}
+
 void BitcoinGUI::createTrayIcon()
 {
     QMenu *trayIconMenu = new QMenu(this);

gui/src/clientmodel.cpp

@@ -0,0 +1,58 @@
+#include "clientmodel.h"
+#include "main.h"
+
+#include <QTimer>
+
+/* milliseconds between model updates */
+const int MODEL_UPDATE_DELAY = 250;
+
+ClientModel::ClientModel(QObject *parent) :
+    QObject(parent)
+{
+    /* Until we build signal notifications into the bitcoin core,
+       simply update everything using a timer.
+    */
+    QTimer *timer = new QTimer(this);
+    connect(timer, SIGNAL(timeout()), this, SLOT(update()));
+    timer->start(MODEL_UPDATE_DELAY);
+}
+
+double ClientModel::getBalance()
+{
+    return GetBalance();
+}
+
+QString ClientModel::getAddress()
+{
+    std::vector<unsigned char> vchPubKey;
+    if (CWalletDB("r").ReadDefaultKey(vchPubKey))
+    {
+        return QString::fromStdString(PubKeyToAddress(vchPubKey));
+    } else {
+        return QString();
+    }
+}
+
+int ClientModel::getNumConnections()
+{
+    return vNodes.size();
+}
+
+int ClientModel::getNumBlocks()
+{
+    return nBestHeight;
+}
+
+int ClientModel::getNumTransactions()
+{
+    return 0;
+}
+
+void ClientModel::update()
+{
+    emit balanceChanged(getBalance());
+    emit addressChanged(getAddress());
+    emit numConnectionsChanged(getNumConnections());
+    emit numBlocksChanged(getNumBlocks());
+    emit numTransactionsChanged(getNumTransactions());
+}