lbrycrd/src/qt/utilitydialog.cpp

205 lines
7.3 KiB
C++
Raw Normal View History

// Copyright (c) 2011-2014 The Bitcoin Core developers
2014-12-13 05:09:33 +01:00
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "utilitydialog.h"
#include "ui_helpmessagedialog.h"
#include "bitcoingui.h"
#include "clientmodel.h"
#include "guiutil.h"
#include "clientversion.h"
#include "init.h"
#include "util.h"
#include <stdio.h>
#include <QCloseEvent>
#include <QLabel>
#include <QRegExp>
#include <QTextTable>
#include <QTextCursor>
#include <QVBoxLayout>
/** "Help message" or "About" dialog box */
HelpMessageDialog::HelpMessageDialog(QWidget *parent, bool about) :
QDialog(parent),
ui(new Ui::HelpMessageDialog)
{
ui->setupUi(this);
GUIUtil::restoreWindowGeometry("nHelpMessageDialogWindow", this->size(), this);
QString version = tr("Bitcoin Core") + " " + tr("version") + " " + QString::fromStdString(FormatFullVersion());
/* On x86 add a bit specifier to the version so that users can distinguish between
* 32 and 64 bit builds. On other architectures, 32/64 bit may be more ambigious.
*/
#if defined(__x86_64__)
version += " " + tr("(%1-bit)").arg(64);
#elif defined(__i386__ )
version += " " + tr("(%1-bit)").arg(32);
#endif
if (about)
{
setWindowTitle(tr("About Bitcoin Core"));
/// HTML-format the license message from the core
QString licenseInfo = QString::fromStdString(LicenseInfo());
QString licenseInfoHTML = licenseInfo;
// Make URLs clickable
QRegExp uri("<(.*)>", Qt::CaseSensitive, QRegExp::RegExp2);
uri.setMinimal(true); // use non-greedy matching
licenseInfoHTML.replace(uri, "<a href=\"\\1\">\\1</a>");
// Replace newlines with HTML breaks
licenseInfoHTML.replace("\n\n", "<br><br>");
ui->aboutMessage->setTextFormat(Qt::RichText);
ui->scrollArea->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
text = version + "\n" + licenseInfo;
ui->aboutMessage->setText(version + "<br><br>" + licenseInfoHTML);
ui->aboutMessage->setWordWrap(true);
ui->helpMessage->setVisible(false);
} else {
setWindowTitle(tr("Command-line options"));
QTextCursor cursor(ui->helpMessage->document());
cursor.insertText(version);
cursor.insertBlock();
cursor.insertText(tr("Usage:") + '\n' +
" bitcoin-qt [" + tr("command-line options") + "]\n");
cursor.insertBlock();
QTextTableFormat tf;
tf.setBorderStyle(QTextFrameFormat::BorderStyle_None);
tf.setCellPadding(2);
QVector<QTextLength> widths;
widths << QTextLength(QTextLength::PercentageLength, 35);
widths << QTextLength(QTextLength::PercentageLength, 65);
tf.setColumnWidthConstraints(widths);
QTextTable *table = cursor.insertTable(2, 2, tf);
QString coreOptions = QString::fromStdString(HelpMessage(HMM_BITCOIN_QT));
bool first = true;
QTextCharFormat bold;
bold.setFontWeight(QFont::Bold);
// note that coreOptions is not translated.
foreach (const QString &line, coreOptions.split('\n')) {
if (!first) {
table->appendRows(1);
cursor.movePosition(QTextCursor::NextRow);
}
first = false;
if (line.startsWith(" ")) {
int index = line.indexOf(' ', 3);
if (index > 0) {
cursor.insertText(line.left(index).trimmed());
cursor.movePosition(QTextCursor::NextCell);
cursor.insertText(line.mid(index).trimmed());
continue;
}
}
cursor.movePosition(QTextCursor::NextCell, QTextCursor::KeepAnchor);
table->mergeCells(cursor);
cursor.insertText(line.trimmed(), bold);
}
table->appendRows(6);
cursor.movePosition(QTextCursor::NextRow);
cursor.insertText(tr("UI options") + ":", bold);
cursor.movePosition(QTextCursor::NextRow);
if (GetBoolArg("-help-debug", false)) {
cursor.insertText("-allowselfsignedrootcertificates");
cursor.movePosition(QTextCursor::NextCell);
cursor.insertText(tr("Allow self signed root certificates (default: 0)"));
cursor.movePosition(QTextCursor::NextCell);
}
cursor.insertText("-choosedatadir");
cursor.movePosition(QTextCursor::NextCell);
cursor.insertText(tr("Choose data directory on startup (default: 0)"));
cursor.movePosition(QTextCursor::NextCell);
cursor.insertText("-lang=<lang>");
cursor.movePosition(QTextCursor::NextCell);
cursor.insertText(tr("Set language, for example \"de_DE\" (default: system locale)"));
cursor.movePosition(QTextCursor::NextCell);
cursor.insertText("-min");
cursor.movePosition(QTextCursor::NextCell);
cursor.insertText(tr("Start minimized"));
cursor.movePosition(QTextCursor::NextCell);
cursor.insertText("-rootcertificates=<file>");
cursor.movePosition(QTextCursor::NextCell);
cursor.insertText(tr("Set SSL root certificates for payment request (default: -system-)"));
cursor.movePosition(QTextCursor::NextCell);
cursor.insertText("-splash");
cursor.movePosition(QTextCursor::NextCell);
cursor.insertText(tr("Show splash screen on startup (default: 1)"));
ui->helpMessage->moveCursor(QTextCursor::Start);
ui->scrollArea->setVisible(false);
}
}
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.
fprintf(stdout, "%s\n", qPrintable(text));
}
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 */
ShutdownWindow::ShutdownWindow(QWidget *parent, Qt::WindowFlags f):
QWidget(parent, f)
{
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.")));
setLayout(layout);
}
void ShutdownWindow::showShutdownWindow(BitcoinGUI *window)
{
if (!window)
return;
// Show a simple window indicating shutdown status
QWidget *shutdownWindow = new ShutdownWindow();
// We don't hold a direct pointer to the shutdown window after creation, so use
// Qt::WA_DeleteOnClose to make sure that the window will be deleted eventually.
shutdownWindow->setAttribute(Qt::WA_DeleteOnClose);
shutdownWindow->setWindowTitle(window->windowTitle());
// 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();
}
void ShutdownWindow::closeEvent(QCloseEvent *event)
{
event->ignore();
}