<property name="alignment">
<set>Qt::AlignCenter</set>
</property>
+ <property name="wordWrap">
+ <bool>true</bool>
+ </property>
</widget>
</item>
<item>
<item>
<layout class="QVBoxLayout" name="verticalLayout">
<item>
- <widget class="QCheckBox" name="chkReq">
+ <widget class="QCheckBox" name="chkReqPayment">
<property name="enabled">
<bool>true</bool>
</property>
<item>
<layout class="QHBoxLayout" name="horizontalLayout">
<item>
- <widget class="QLabel" name="lblAm1">
+ <widget class="QLabel" name="lblAmount">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Maximum">
<horstretch>0</horstretch>
</widget>
</item>
<item>
- <widget class="QLabel" name="lblAm2">
+ <widget class="QLabel" name="lblBTC">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Maximum">
<horstretch>0</horstretch>
<item>
<layout class="QGridLayout" name="gridLayout">
<item row="0" column="0">
- <widget class="QLabel" name="label_3">
+ <widget class="QLabel" name="lblLabel">
<property name="text">
<string>Label:</string>
</property>
</widget>
</item>
<item row="1" column="0">
- <widget class="QLabel" name="label_4">
+ <widget class="QLabel" name="lblMessage">
<property name="text">
<string>Message:</string>
</property>
<resources/>
<connections>
<connection>
- <sender>chkReq</sender>
+ <sender>chkReqPayment</sender>
<signal>clicked(bool)</signal>
<receiver>lnReqAmount</receiver>
<slot>setEnabled(bool)</slot>
#include <qrencode.h>
-#define EXPORT_IMAGE_SIZE 256
+#define EXPORT_IMAGE_SIZE 256
-QRCodeDialog::QRCodeDialog(const QString &title, const QString &addr, const QString &label, bool enableReq, QWidget *parent) :
- QDialog(parent),
- ui(new Ui::QRCodeDialog),
- address(addr)
+QRCodeDialog::QRCodeDialog(const QString &addr, const QString &label, bool enableReq, QWidget *parent) :
+ QDialog(parent), ui(new Ui::QRCodeDialog), address(addr)
{
ui->setupUi(this);
- setWindowTitle(title);
+ setWindowTitle(QString("%1").arg(address));
setAttribute(Qt::WA_DeleteOnClose);
- ui->chkReq->setVisible(enableReq);
+ ui->chkReqPayment->setVisible(enableReq);
ui->lnReqAmount->setVisible(enableReq);
- ui->lblAm1->setVisible(enableReq);
- ui->lblAm2->setVisible(enableReq);
+ ui->lblAmount->setVisible(enableReq);
+ ui->lblBTC->setVisible(enableReq);
ui->lnLabel->setText(label);
void QRCodeDialog::genCode()
{
QString uri = getURI();
- //qDebug() << "Encoding:" << uri.toUtf8().constData();
- QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
- myImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32);
- myImage.fill(0xffffff);
- unsigned char *p = code->data;
- for(int y = 0; y < code->width; y++) {
- for(int x = 0; x < code->width; x++) {
- myImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff));
- p++;
+
+ if (uri != "")
+ {
+ ui->lblQRCode->setText("");
+
+ QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
+ myImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32);
+ myImage.fill(0xffffff);
+ unsigned char *p = code->data;
+ for (int y = 0; y < code->width; y++)
+ {
+ for (int x = 0; x < code->width; x++)
+ {
+ myImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff));
+ p++;
+ }
}
+ QRcode_free(code);
+ ui->lblQRCode->setPixmap(QPixmap::fromImage(myImage).scaled(300, 300));
}
- QRcode_free(code);
- ui->lblQRCode->setPixmap(QPixmap::fromImage(myImage).scaled(300, 300));
+ 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->chkReq->isChecked() && ui->lnReqAmount->text().isEmpty() == false) {
- bool ok= false;
- double amount = ui->lnReqAmount->text().toDouble(&ok);
- if(ok) {
- ret += QString("?amount=%1X8").arg(ui->lnReqAmount->text());
+ if (ui->chkReqPayment->isChecked() && !ui->lnReqAmount->text().isEmpty())
+ {
+ bool ok = false;
+ ui->lnReqAmount->text().toDouble(&ok);
+ if (ok)
+ {
+ ret += QString("?amount=%1").arg(ui->lnReqAmount->text());
paramCount++;
}
}
- if(ui->lnLabel->text().isEmpty() == false) {
+ if (!ui->lnLabel->text().isEmpty())
+ {
QString lbl(QUrl::toPercentEncoding(ui->lnLabel->text()));
ret += QString("%1label=%2").arg(paramCount == 0 ? "?" : "&").arg(lbl);
paramCount++;
}
- if(ui->lnMessage->text().isEmpty() == false) {
+ if (!ui->lnMessage->text().isEmpty())
+ {
QString msg(QUrl::toPercentEncoding(ui->lnMessage->text()));
ret += QString("%1message=%2").arg(paramCount == 0 ? "?" : "&").arg(msg);
paramCount++;
}
- return ret;
+ // limit URI length to 255 chars, to prevent a DoS against the QR-Code dialog
+ if (ret.length() < 256)
+ return ret;
+ else
+ return QString("");
}
-void QRCodeDialog::on_lnReqAmount_textChanged(const QString &)
+void QRCodeDialog::on_lnReqAmount_textChanged(const QString &arg1)
{
genCode();
}
-void QRCodeDialog::on_lnLabel_textChanged(const QString &)
+void QRCodeDialog::on_lnLabel_textChanged(const QString &arg1)
{
genCode();
}
-void QRCodeDialog::on_lnMessage_textChanged(const QString &)
+void QRCodeDialog::on_lnMessage_textChanged(const QString &arg1)
{
genCode();
}
void QRCodeDialog::on_btnSaveAs_clicked()
{
QString fn = GUIUtil::getSaveFileName(this, tr("Save Image..."), QString(), tr("PNG Images (*.png)"));
- if(!fn.isEmpty()) {
+ if (!fn.isEmpty())
myImage.scaled(EXPORT_IMAGE_SIZE, EXPORT_IMAGE_SIZE).save(fn);
- }
}
-void QRCodeDialog::on_chkReq_toggled(bool)
+void QRCodeDialog::on_chkReqPayment_toggled(bool)
{
genCode();
}