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Make the command-line-args dialog better

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Instead of using a fixed-width font in a label, which virtually
guarentees a horizontal scrollbar, use a proper text-document
that can re-layout based on user input.
This commit is contained in:
Thomas Zander 2014-12-29 00:25:18 +01:00
parent e5153095ea
commit e179eb3d9b
2 changed files with 85 additions and 19 deletions
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20
src/qt/forms/helpmessagedialog.ui
View file

@ -6,8 +6,8 @@
<rect>
<x>0</x>
<y>0</y>
<width>800</width>
<height>400</height>
<width>585</width>
<height>225</height>
</rect>
</property>
<property name="font">
@ -34,6 +34,13 @@
</item>
<item>
<layout class="QVBoxLayout" name="verticalLayout">
<item>
<widget class="QTextEdit" name="helpMessage">
<property name="readOnly">
<bool>true</bool>
</property>
</widget>
</item>
<item>
<widget class="QScrollArea" name="scrollArea">
<property name="verticalScrollBarPolicy">
@ -47,19 +54,22 @@
<rect>
<x>0</x>
<y>0</y>
<width>659</width>
<height>348</height>
<width>447</width>
<height>68</height>
</rect>
</property>
<layout class="QVBoxLayout" name="verticalLayout_2">
<item>
<widget class="QLabel" name="helpMessageLabel">
<widget class="QLabel" name="aboutMessage">
<property name="cursor">
<cursorShape>IBeamCursor</cursorShape>
</property>
<property name="textFormat">
<enum>Qt::PlainText</enum>
</property>
<property name="alignment">
<set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
</property>
<property name="openExternalLinks">
<bool>true</bool>
</property>

84
src/qt/utilitydialog.cpp
View file

@ -18,6 +18,8 @@
#include <QCloseEvent>
#include <QLabel>
#include <QRegExp>
#include <QTextTable>
#include <QTextCursor>
#include <QVBoxLayout>
/** "Help message" or "About" dialog box */
@ -52,28 +54,82 @@ HelpMessageDialog::HelpMessageDialog(QWidget *parent, bool about) :
// Replace newlines with HTML breaks
licenseInfoHTML.replace("\n\n", "<br><br>");
ui->helpMessageLabel->setTextFormat(Qt::RichText);
ui->aboutMessage->setTextFormat(Qt::RichText);
ui->scrollArea->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
text = version + "\n" + licenseInfo;
ui->helpMessageLabel->setText(version + "<br><br>" + licenseInfoHTML);
ui->helpMessageLabel->setWordWrap(true);
ui->aboutMessage->setText(version + "<br><br>" + licenseInfoHTML);
ui->aboutMessage->setWordWrap(true);
ui->helpMessage->setVisible(false);
} else {
setWindowTitle(tr("Command-line options"));
QString header = tr("Usage:") + "\n" +
" bitcoin-qt [" + tr("command-line options") + "] " + "\n";
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, 20);
widths << QTextLength(QTextLength::PercentageLength, 80);
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;
QString uiOptions = tr("UI options") + ":\n" +
" -choosedatadir " + tr("Choose data directory on startup (default: 0)") + "\n" +
" -lang=<lang> " + tr("Set language, for example \"de_DE\" (default: system locale)") + "\n" +
" -min " + tr("Start minimized") + "\n" +
" -rootcertificates=<file> " + tr("Set SSL root certificates for payment request (default: -system-)") + "\n" +
" -splash " + tr("Show splash screen on startup (default: 1)");
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);
}
ui->helpMessageLabel->setFont(GUIUtil::bitcoinAddressFont());
text = version + "\n" + header + "\n" + coreOptions + "\n" + uiOptions;
ui->helpMessageLabel->setText(text);
table->appendRows(6);
cursor.movePosition(QTextCursor::NextRow);
cursor.insertText(tr("UI options") + ":", bold);
cursor.movePosition(QTextCursor::NextRow);
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);
}
}