5 #if defined(HAVE_CONFIG_H)
12 #include <qt/forms/ui_intro.h>
20 #include <validation.h>
22 #include <QFileDialog>
24 #include <QMessageBox>
54 void reply(
int status,
const QString &message, quint64 available);
60 #include <qt/intro.moc>
71 uint64_t freeBytesAvailable = 0;
72 int replyStatus =
ST_OK;
73 QString replyMessage = tr(
"A new data directory will be created.");
78 while(parentDir.has_parent_path() && !
fs::exists(parentDir))
80 parentDir = parentDir.parent_path();
83 if (parentDirOld == parentDir)
86 parentDirOld = parentDir;
90 freeBytesAvailable = fs::space(parentDir).available;
93 if(fs::is_directory(dataDir))
95 QString separator =
"<code>" + QDir::toNativeSeparators(
"/") + tr(
"name") +
"</code>";
97 replyMessage = tr(
"Directory already exists. Add %1 if you intend to create a new directory here.").arg(separator);
100 replyMessage = tr(
"Path already exists, and is not a directory.");
103 }
catch (
const fs::filesystem_error&)
107 replyMessage = tr(
"Cannot create data directory here.");
109 Q_EMIT
reply(replyStatus, replyMessage, freeBytesAvailable);
114 int GetPruneTargetGB()
122 Intro::Intro(QWidget *parent, int64_t blockchain_size_gb, int64_t chain_state_size_gb) :
125 m_blockchain_size_gb(blockchain_size_gb),
126 m_chain_state_size_gb(chain_state_size_gb),
127 m_prune_target_gb{GetPruneTargetGB()}
133 ui->lblExplanation1->setText(
ui->lblExplanation1->text()
139 ui->lblExplanation2->setText(
ui->lblExplanation2->text().arg(
PACKAGE_NAME));
142 ui->pruneGB->setRange(min_prune_target_GB, std::numeric_limits<int>::max());
144 ui->prune->setChecked(
true);
145 ui->prune->setEnabled(
false);
148 ui->pruneGB->setToolTip(
ui->prune->toolTip());
149 ui->lblPruneSuffix->setToolTip(
ui->prune->toolTip());
152 connect(
ui->prune, &QCheckBox::toggled, [
this](
bool prune_checked) {
153 UpdatePruneLabels(prune_checked);
154 UpdateFreeSpaceLabel();
156 connect(
ui->pruneGB, qOverload<int>(&QSpinBox::valueChanged), [
this](
int prune_GB) {
157 m_prune_target_gb = prune_GB;
158 UpdatePruneLabels(ui->prune->isChecked());
159 UpdateFreeSpaceLabel();
175 return ui->dataDirectory->text();
180 ui->dataDirectory->setText(dataDir);
183 ui->dataDirDefault->setChecked(
true);
184 ui->dataDirectory->setEnabled(
false);
185 ui->ellipsisButton->setEnabled(
false);
187 ui->dataDirCustom->setChecked(
true);
188 ui->dataDirectory->setEnabled(
true);
189 ui->ellipsisButton->setEnabled(
true);
195 switch (
ui->prune->checkState()) {
198 case Qt::Unchecked:
default:
205 did_show_intro =
false;
215 dataDir = settings.value(
"strDataDir", dataDir).toString();
222 }
catch (
const std::exception&) {
227 Intro intro(
nullptr,
Params().AssumedBlockchainSize(),
Params().AssumedChainStateSize());
229 intro.setWindowIcon(QIcon(
":icons/bitcoin"));
230 did_show_intro =
true;
246 }
catch (
const fs::filesystem_error&) {
248 tr(
"Error: Specified data directory \"%1\" cannot be created.").arg(dataDir));
256 settings.setValue(
"strDataDir", dataDir);
257 settings.setValue(
"fReset",
false);
274 ui->errorMessage->setText(message);
275 ui->errorMessage->setStyleSheet(
"");
278 ui->errorMessage->setText(tr(
"Error") +
": " + message);
279 ui->errorMessage->setStyleSheet(
"QLabel { color: #800000 }");
285 ui->freeSpace->setText(
"");
302 ui->freeSpace->setStyleSheet(
"QLabel { color: #800000 }");
305 ui->freeSpace->setStyleSheet(
"QLabel { color: #999900 }");
307 ui->freeSpace->setStyleSheet(
"");
309 ui->freeSpace->setText(freeString +
".");
315 ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(
false);
321 QString dir = QDir::toNativeSeparators(QFileDialog::getExistingDirectory(
nullptr,
"Choose data directory",
ui->dataDirectory->text()));
323 ui->dataDirectory->setText(dir);
333 ui->dataDirectory->setEnabled(
true);
334 ui->ellipsisButton->setEnabled(
true);
339 thread =
new QThread(
this);
341 executor->moveToThread(
thread);
346 connect(
thread, &QThread::finished, executor, &QObject::deleteLater);
376 QString storageRequiresMsg = tr(
"At least %1 GB of data will be stored in this directory, and it will grow over time.");
379 storageRequiresMsg = tr(
"Approximately %1 GB of data will be stored in this directory.");
381 ui->lblExplanation3->setVisible(prune_checked);
382 ui->pruneGB->setEnabled(prune_checked);
383 static constexpr uint64_t nPowTargetSpacing = 10 * 60;
384 static constexpr uint32_t expected_block_data_size = 2250000;
385 const uint64_t expected_backup_days =
m_prune_target_gb * 1e9 / (uint64_t(expected_block_data_size) * 86400 / nPowTargetSpacing);
386 ui->lblPruneSuffix->setText(
388 tr(
"(sufficient to restore backups %n day(s) old)",
"", expected_backup_days));
389 ui->sizeWarningLabel->setText(
390 tr(
"%1 will download and store a copy of the Bitcoin block chain.").arg(
PACKAGE_NAME) +
" " +
392 tr(
"The wallet will also be stored in this directory.")
void SelectParams(const std::string &network)
Sets the params returned by Params() to those for the given chain name.
const CChainParams & Params()
Return the currently selected parameters.
bool SoftSetArg(const std::string &strArg, const std::string &strValue)
Set an argument if it doesn't already have a value.
bool IsArgSet(const std::string &strArg) const
Return true if the given argument has been manually set.
int64_t GetIntArg(const std::string &strArg, int64_t nDefault) const
Return integer argument or default value.
std::string GetArg(const std::string &strArg, const std::string &strDefault) const
Return string argument or default value.
bool GetBoolArg(const std::string &strArg, bool fDefault) const
Return boolean argument or default value.
std::string GetChainName() const
Returns the appropriate chain name from the program arguments.
FreespaceChecker(Intro *intro)
void reply(int status, const QString &message, quint64 available)
Introduction screen (pre-GUI startup).
void setStatus(int status, const QString &message, quint64 bytesAvailable)
void on_ellipsisButton_clicked()
void UpdatePruneLabels(bool prune_checked)
const int64_t m_blockchain_size_gb
void setDataDirectory(const QString &dataDir)
int64_t m_prune_target_gb
uint64_t m_bytes_available
friend class FreespaceChecker
void on_dataDirectory_textChanged(const QString &arg1)
int64_t m_required_space_gb
Total required space (in GB) depending on user choice (prune or not prune).
void UpdateFreeSpaceLabel()
int64_t getPruneMiB() const
static bool showIfNeeded(bool &did_show_intro, int64_t &prune_MiB)
Determine data directory.
Intro(QWidget *parent=nullptr, int64_t blockchain_size_gb=0, int64_t chain_state_size_gb=0)
const int64_t m_chain_state_size_gb
QString getDataDirectory()
void checkPath(const QString &dataDir)
void on_dataDirDefault_clicked()
void on_dataDirCustom_clicked()
Path class wrapper to block calls to the fs::path(std::string) implicit constructor and the fs::path:...
static constexpr int DEFAULT_PRUNE_TARGET_GB
static constexpr uint64_t GB_BYTES
static const bool DEFAULT_CHOOSE_DATADIR
Utility functions used by the Bitcoin Qt UI.
QString getDefaultDataDirectory()
Determine default data directory for operating system.
constexpr auto dialog_flags
fs::path QStringToPath(const QString &path)
Convert QString to OS specific boost path through UTF-8.
static bool exists(const path &p)
static std::string PathToString(const path &path)
Convert path object to a byte string.
static int PruneMiBtoGB(int64_t mib)
Convert configured prune target MiB to displayed GB.
static int64_t PruneGBtoMiB(int gb)
Convert displayed prune target GB to configured MiB.
bool TryCreateDirectories(const fs::path &p)
Ignores exceptions thrown by create_directories if the requested directory exists.
static const uint64_t MIN_DISK_SPACE_FOR_BLOCK_FILES