[Qt] add utilitydialog.cpp/h and helpmessage class

- adds a nice and well formated dialog, which displays our -? help message
  (all options/paramaters)
- moves aboutdialog.cpp/h to the new utilitydialog
- move GUI shutdown window to utilitydialog

1 files changed, 125 insertions, 0 deletions

diff --git a/src/qt/utilitydialog.cpp b/src/qt/utilitydialog.cpp
new file mode 100644
index 0000000000..05a01c7445
--- /dev/null
+++ b/src/qt/utilitydialog.cpp
@@ -0,0 +1,125 @@
+// Copyright (c) 2011-2014 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "utilitydialog.h"
+
+#include "ui_aboutdialog.h"
+#include "ui_helpmessagedialog.h"
+
+#include "bitcoingui.h"
+#include "clientmodel.h"
+#include "guiutil.h"
+
+#include "clientversion.h"
+#include "init.h"
+#include "util.h"
+
+#include <QLabel>
+#include <QVBoxLayout>
+
+/** "About" dialog box */
+AboutDialog::AboutDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::AboutDialog)
+{
+    ui->setupUi(this);
+
+    // Set current copyright year
+    ui->copyrightLabel->setText(tr("Copyright") + QString(" &copy; 2009-%1 ").arg(COPYRIGHT_YEAR) + tr("The Bitcoin Core developers"));
+}
+
+void AboutDialog::setModel(ClientModel *model)
+{
+    if(model)
+    {
+        ui->versionLabel->setText(model->formatFullVersion());
+    }
+}
+
+AboutDialog::~AboutDialog()
+{
+    delete ui;
+}
+
+void AboutDialog::on_buttonBox_accepted()
+{
+    close();
+}
+
+/** "Help message" dialog box */
+HelpMessageDialog::HelpMessageDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::HelpMessageDialog)
+{
+    ui->setupUi(this);
+    GUIUtil::restoreWindowGeometry("nHelpMessageDialogWindow", this->size(), this);
+
+    header = tr("Bitcoin Core") + " " + tr("version") + " " +
+        QString::fromStdString(FormatFullVersion()) + "\n\n" +
+        tr("Usage:") + "\n" +
+        "  bitcoin-qt [" + tr("command-line options") + "]                     " + "\n";
+
+    coreOptions = QString::fromStdString(HelpMessage(HMM_BITCOIN_QT));
+
+    uiOptions = tr("UI options") + ":\n" +
+        "  -lang=<lang>           " + tr("Set language, for example \"de_DE\" (default: system locale)") + "\n" +
+        "  -min                   " + tr("Start minimized") + "\n" +
+        "  -splash                " + tr("Show splash screen on startup (default: 1)") + "\n" +
+        "  -choosedatadir         " + tr("Choose data directory on startup (default: 0)");
+
+    ui->helpMessageLabel->setFont(GUIUtil::bitcoinAddressFont());
+
+    // Set help message text
+    ui->helpMessageLabel->setText(header + "\n" + coreOptions + "\n" + uiOptions);
+}
+
+HelpMessageDialog::~HelpMessageDialog()
+{
+    GUIUtil::saveWindowGeometry("nHelpMessageDialogWindow", this);
+    delete ui;
+}
+
+void HelpMessageDialog::printToConsole()
+{
+    // On other operating systems, the expected action is to print the message to the console.
+    QString strUsage = header + "\n" + coreOptions + "\n" + uiOptions;
+    fprintf(stdout, "%s", strUsage.toStdString().c_str());
+}
+
+void HelpMessageDialog::showOrPrint()
+{
+#if defined(WIN32)
+        // On Windows, show a message box, as there is no stderr/stdout in windowed applications
+        exec();
+#else
+        // On other operating systems, print help text to console
+        printToConsole();
+#endif
+}
+
+void HelpMessageDialog::on_okButton_accepted()
+{
+    close();
+}
+
+
+/** "Shutdown" window */
+void ShutdownWindow::showShutdownWindow(BitcoinGUI *window)
+{
+    if (!window)
+        return;
+
+    // Show a simple window indicating shutdown status
+    QWidget *shutdownWindow = new QWidget();
+    QVBoxLayout *layout = new QVBoxLayout();
+    layout->addWidget(new QLabel(
+        tr("Bitcoin Core is shutting down...") + "<br /><br />" +
+        tr("Do not shut down the computer until this window disappears.")));
+    shutdownWindow->setLayout(layout);
+
+    // Center shutdown window at where main window was
+    const QPoint global = window->mapToGlobal(window->rect().center());
+    shutdownWindow->move(global.x() - shutdownWindow->width() / 2, global.y() - shutdownWindow->height() / 2);
+    shutdownWindow->show();
+}