Line data Source code
1 : // Copyright (c) 2011-2014 The Bitcoin Core developers
2 : // Distributed under the MIT software license, see the accompanying
3 : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 :
5 : #include "utilitydialog.h"
6 :
7 : #include "ui_helpmessagedialog.h"
8 :
9 : #include "bitcoingui.h"
10 : #include "clientmodel.h"
11 : #include "guiutil.h"
12 :
13 : #include "clientversion.h"
14 : #include "init.h"
15 : #include "util.h"
16 :
17 : #include <stdio.h>
18 :
19 : #include <QCloseEvent>
20 : #include <QLabel>
21 : #include <QRegExp>
22 : #include <QTextTable>
23 : #include <QTextCursor>
24 : #include <QVBoxLayout>
25 :
26 : /** "Help message" or "About" dialog box */
27 0 : HelpMessageDialog::HelpMessageDialog(QWidget *parent, bool about) :
28 : QDialog(parent),
29 0 : ui(new Ui::HelpMessageDialog)
30 : {
31 0 : ui->setupUi(this);
32 :
33 0 : QString version = tr("Bitcoin Core") + " " + tr("version") + " " + QString::fromStdString(FormatFullVersion());
34 : /* On x86 add a bit specifier to the version so that users can distinguish between
35 : * 32 and 64 bit builds. On other architectures, 32/64 bit may be more ambigious.
36 : */
37 : #if defined(__x86_64__)
38 0 : version += " " + tr("(%1-bit)").arg(64);
39 : #elif defined(__i386__ )
40 : version += " " + tr("(%1-bit)").arg(32);
41 : #endif
42 :
43 0 : if (about)
44 : {
45 0 : setWindowTitle(tr("About Bitcoin Core"));
46 :
47 : /// HTML-format the license message from the core
48 0 : QString licenseInfo = QString::fromStdString(LicenseInfo());
49 0 : QString licenseInfoHTML = licenseInfo;
50 : // Make URLs clickable
51 0 : QRegExp uri("<(.*)>", Qt::CaseSensitive, QRegExp::RegExp2);
52 0 : uri.setMinimal(true); // use non-greedy matching
53 0 : licenseInfoHTML.replace(uri, "<a href=\"\\1\">\\1</a>");
54 : // Replace newlines with HTML breaks
55 0 : licenseInfoHTML.replace("\n\n", "<br><br>");
56 :
57 0 : ui->aboutMessage->setTextFormat(Qt::RichText);
58 0 : ui->scrollArea->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
59 0 : text = version + "\n" + licenseInfo;
60 0 : ui->aboutMessage->setText(version + "<br><br>" + licenseInfoHTML);
61 0 : ui->aboutMessage->setWordWrap(true);
62 0 : ui->helpMessage->setVisible(false);
63 : } else {
64 0 : setWindowTitle(tr("Command-line options"));
65 0 : QString header = tr("Usage:") + "\n" +
66 0 : " bitcoin-qt [" + tr("command-line options") + "] " + "\n";
67 0 : QTextCursor cursor(ui->helpMessage->document());
68 0 : cursor.insertText(version);
69 0 : cursor.insertBlock();
70 0 : cursor.insertText(header);
71 0 : cursor.insertBlock();
72 :
73 0 : QString coreOptions = QString::fromStdString(HelpMessage(HMM_BITCOIN_QT));
74 0 : text = version + "\n" + header + "\n" + coreOptions;
75 :
76 0 : QTextTableFormat tf;
77 0 : tf.setBorderStyle(QTextFrameFormat::BorderStyle_None);
78 0 : tf.setCellPadding(2);
79 0 : QVector<QTextLength> widths;
80 0 : widths << QTextLength(QTextLength::PercentageLength, 35);
81 0 : widths << QTextLength(QTextLength::PercentageLength, 65);
82 : tf.setColumnWidthConstraints(widths);
83 :
84 0 : QTextCharFormat bold;
85 0 : bold.setFontWeight(QFont::Bold);
86 :
87 0 : Q_FOREACH (const QString &line, coreOptions.split("\n")) {
88 0 : if (line.startsWith(" -"))
89 : {
90 0 : cursor.currentTable()->appendRows(1);
91 0 : cursor.movePosition(QTextCursor::PreviousCell);
92 0 : cursor.movePosition(QTextCursor::NextRow);
93 0 : cursor.insertText(line.trimmed());
94 0 : cursor.movePosition(QTextCursor::NextCell);
95 0 : } else if (line.startsWith(" ")) {
96 0 : cursor.insertText(line.trimmed()+' ');
97 0 : } else if (line.size() > 0) {
98 : //Title of a group
99 0 : if (cursor.currentTable())
100 0 : cursor.currentTable()->appendRows(1);
101 0 : cursor.movePosition(QTextCursor::Down);
102 0 : cursor.insertText(line.trimmed(), bold);
103 0 : cursor.insertTable(1, 2, tf);
104 : }
105 : }
106 :
107 0 : ui->helpMessage->moveCursor(QTextCursor::Start);
108 0 : ui->scrollArea->setVisible(false);
109 0 : ui->aboutLogo->setVisible(false);
110 0 : }
111 0 : }
112 :
113 0 : HelpMessageDialog::~HelpMessageDialog()
114 : {
115 0 : delete ui;
116 0 : }
117 :
118 0 : void HelpMessageDialog::printToConsole()
119 : {
120 : // On other operating systems, the expected action is to print the message to the console.
121 0 : fprintf(stdout, "%s\n", qPrintable(text));
122 0 : }
123 :
124 0 : void HelpMessageDialog::showOrPrint()
125 : {
126 : #if defined(WIN32)
127 : // On Windows, show a message box, as there is no stderr/stdout in windowed applications
128 : exec();
129 : #else
130 : // On other operating systems, print help text to console
131 0 : printToConsole();
132 : #endif
133 0 : }
134 :
135 0 : void HelpMessageDialog::on_okButton_accepted()
136 : {
137 0 : close();
138 0 : }
139 :
140 :
141 : /** "Shutdown" window */
142 0 : ShutdownWindow::ShutdownWindow(QWidget *parent, Qt::WindowFlags f):
143 0 : QWidget(parent, f)
144 : {
145 0 : QVBoxLayout *layout = new QVBoxLayout();
146 : layout->addWidget(new QLabel(
147 0 : tr("Bitcoin Core is shutting down...") + "<br /><br />" +
148 0 : tr("Do not shut down the computer until this window disappears.")));
149 0 : setLayout(layout);
150 0 : }
151 :
152 0 : void ShutdownWindow::showShutdownWindow(BitcoinGUI *window)
153 : {
154 0 : if (!window)
155 0 : return;
156 :
157 : // Show a simple window indicating shutdown status
158 0 : QWidget *shutdownWindow = new ShutdownWindow();
159 : // We don't hold a direct pointer to the shutdown window after creation, so use
160 : // Qt::WA_DeleteOnClose to make sure that the window will be deleted eventually.
161 0 : shutdownWindow->setAttribute(Qt::WA_DeleteOnClose);
162 0 : shutdownWindow->setWindowTitle(window->windowTitle());
163 :
164 : // Center shutdown window at where main window was
165 0 : const QPoint global = window->mapToGlobal(window->rect().center());
166 0 : shutdownWindow->move(global.x() - shutdownWindow->width() / 2, global.y() - shutdownWindow->height() / 2);
167 : shutdownWindow->show();
168 : }
169 :
170 0 : void ShutdownWindow::closeEvent(QCloseEvent *event)
171 : {
172 0 : event->ignore();
173 0 : }
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