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Diffstat (limited to 'src/qt/qrcodedialog.cpp')
-rw-r--r--src/qt/qrcodedialog.cpp87
1 files changed, 65 insertions, 22 deletions
diff --git a/src/qt/qrcodedialog.cpp b/src/qt/qrcodedialog.cpp
index 32e5462cee..ca94975128 100644
--- a/src/qt/qrcodedialog.cpp
+++ b/src/qt/qrcodedialog.cpp
@@ -1,28 +1,34 @@
#include "qrcodedialog.h"
#include "ui_qrcodedialog.h"
+
+#include "bitcoinunits.h"
+#include "guiconstants.h"
#include "guiutil.h"
+#include "optionsmodel.h"
#include <QPixmap>
#include <QUrl>
-#include <QDebug>
#include <qrencode.h>
-#define EXPORT_IMAGE_SIZE 256
-
QRCodeDialog::QRCodeDialog(const QString &addr, const QString &label, bool enableReq, QWidget *parent) :
- QDialog(parent), ui(new Ui::QRCodeDialog), address(addr)
+ QDialog(parent),
+ ui(new Ui::QRCodeDialog),
+ model(0),
+ address(addr)
{
ui->setupUi(this);
+
setWindowTitle(QString("%1").arg(address));
ui->chkReqPayment->setVisible(enableReq);
- ui->lnReqAmount->setVisible(enableReq);
ui->lblAmount->setVisible(enableReq);
- ui->lblBTC->setVisible(enableReq);
+ ui->lnReqAmount->setVisible(enableReq);
ui->lnLabel->setText(label);
+ ui->btnSaveAs->setEnabled(false);
+
genCode();
}
@@ -31,6 +37,17 @@ QRCodeDialog::~QRCodeDialog()
delete ui;
}
+void QRCodeDialog::setModel(OptionsModel *model)
+{
+ this->model = model;
+
+ if (model)
+ connect(model, SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
+
+ // update the display unit, to not use the default ("BTC")
+ updateDisplayUnit();
+}
+
void QRCodeDialog::genCode()
{
QString uri = getURI();
@@ -57,26 +74,34 @@ void QRCodeDialog::genCode()
}
}
QRcode_free(code);
+
ui->lblQRCode->setPixmap(QPixmap::fromImage(myImage).scaled(300, 300));
+
+ ui->outUri->setPlainText(uri);
}
- else
- ui->lblQRCode->setText(tr("Resulting URI too long, try to reduce the text for label / message."));
}
QString QRCodeDialog::getURI()
{
QString ret = QString("bitcoin:%1").arg(address);
-
int paramCount = 0;
- if (ui->chkReqPayment->isChecked() && !ui->lnReqAmount->text().isEmpty())
+
+ ui->outUri->clear();
+
+ if (ui->chkReqPayment->isChecked())
{
- bool ok = false;
- ui->lnReqAmount->text().toDouble(&ok);
- if (ok)
+ if (ui->lnReqAmount->validate())
{
- ret += QString("?amount=%1").arg(ui->lnReqAmount->text());
+ // even if we allow a non BTC unit input in lnReqAmount, we generate the URI with BTC as unit (as defined in BIP21)
+ ret += QString("?amount=%1").arg(BitcoinUnits::format(BitcoinUnits::BTC, ui->lnReqAmount->value()));
paramCount++;
}
+ else
+ {
+ ui->btnSaveAs->setEnabled(false);
+ ui->lblQRCode->setText(tr("The entered amount is invalid, please check."));
+ return QString("");
+ }
}
if (!ui->lnLabel->text().isEmpty())
@@ -93,24 +118,29 @@ QString QRCodeDialog::getURI()
paramCount++;
}
- // limit URI length to 255 chars, to prevent a DoS against the QR-Code dialog
- if (ret.length() < 256)
- return ret;
- else
+ // limit URI length to prevent a DoS against the QR-Code dialog
+ if (ret.length() > MAX_URI_LENGTH)
+ {
+ ui->btnSaveAs->setEnabled(false);
+ ui->lblQRCode->setText(tr("Resulting URI too long, try to reduce the text for label / message."));
return QString("");
+ }
+
+ ui->btnSaveAs->setEnabled(true);
+ return ret;
}
-void QRCodeDialog::on_lnReqAmount_textChanged(const QString &arg1)
+void QRCodeDialog::on_lnReqAmount_textChanged()
{
genCode();
}
-void QRCodeDialog::on_lnLabel_textChanged(const QString &arg1)
+void QRCodeDialog::on_lnLabel_textChanged()
{
genCode();
}
-void QRCodeDialog::on_lnMessage_textChanged(const QString &arg1)
+void QRCodeDialog::on_lnMessage_textChanged()
{
genCode();
}
@@ -122,7 +152,20 @@ void QRCodeDialog::on_btnSaveAs_clicked()
myImage.scaled(EXPORT_IMAGE_SIZE, EXPORT_IMAGE_SIZE).save(fn);
}
-void QRCodeDialog::on_chkReqPayment_toggled(bool)
+void QRCodeDialog::on_chkReqPayment_toggled(bool fChecked)
{
+ if (!fChecked)
+ // if chkReqPayment is not active, don't display lnReqAmount as invalid
+ ui->lnReqAmount->setValid(true);
+
genCode();
}
+
+void QRCodeDialog::updateDisplayUnit()
+{
+ if (model)
+ {
+ // Update lnReqAmount with the current unit
+ ui->lnReqAmount->setDisplayUnit(model->getDisplayUnit());
+ }
+}