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[qt] Intro: Display required space

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Required space depends on the user's choice:
 -prune=0
 -prune=<n>
This commit is contained in:
MarcoFalke 2015-12-29 15:38:38 +01:00 committed by Jonas Schnelli
parent ff9b610026
commit b1a8374aaa
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GPG Key ID: 29D4BCB6416F53EC
1 changed files with 15 additions and 5 deletions
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20
src/qt/intro.cpp
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@ -15,9 +15,15 @@
#include <QSettings>
#include <QMessageBox>
/* Minimum free space (in bytes) needed for data directory */
#include <cmath>
static const uint64_t GB_BYTES = 1000000000LL;
static const uint64_t BLOCK_CHAIN_SIZE = 20LL * GB_BYTES;
/* Minimum free space (in GB) needed for data directory */
static const uint64_t BLOCK_CHAIN_SIZE = 80;
/* Minimum free space (in GB) needed for data directory when pruned; Does not include prune target */
static const uint64_t CHAIN_STATE_SIZE = 2;
/* Total required space (in GB) depending on user choice (prune, not prune) */
static uint64_t requiredSpace;
/* Check free space asynchronously to prevent hanging the UI thread.
@ -112,7 +118,11 @@ Intro::Intro(QWidget *parent) :
signalled(false)
{
ui->setupUi(this);
ui->sizeWarningLabel->setText(ui->sizeWarningLabel->text().arg(BLOCK_CHAIN_SIZE/GB_BYTES));
uint64_t pruneTarget = std::max<int64_t>(0, GetArg("-prune", 0));
requiredSpace = BLOCK_CHAIN_SIZE;
if (pruneTarget)
requiredSpace = CHAIN_STATE_SIZE + std::ceil(pruneTarget * 1024 * 1024.0 / GB_BYTES);
ui->sizeWarningLabel->setText(ui->sizeWarningLabel->text().arg(requiredSpace));
startThread();
}
@ -216,9 +226,9 @@ void Intro::setStatus(int status, const QString &message, quint64 bytesAvailable
ui->freeSpace->setText("");
} else {
QString freeString = tr("%n GB of free space available", "", bytesAvailable/GB_BYTES);
if(bytesAvailable < BLOCK_CHAIN_SIZE)
if(bytesAvailable < requiredSpace * GB_BYTES)
{
freeString += " " + tr("(of %n GB needed)", "", BLOCK_CHAIN_SIZE/GB_BYTES);
freeString += " " + tr("(of %n GB needed)", "", requiredSpace);
ui->freeSpace->setStyleSheet("QLabel { color: #800000 }");
} else {
ui->freeSpace->setStyleSheet("");