[VerusCoin.git] / src / qt / receiverequestdialog.cpp

// Copyright (c) 2011-2013 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include "receiverequestdialog.h"
#include "ui_receiverequestdialog.h"

#include "bitcoinunits.h"
#include "guiconstants.h"
#include "guiutil.h"
#include "optionsmodel.h"
#include "walletmodel.h"

#include <QClipboard>
#include <QDrag>
#include <QMenu>
#include <QMimeData>
#include <QMouseEvent>
#include <QPixmap>
#if QT_VERSION < 0x050000
#include <QUrl>
#endif

#if defined(HAVE_CONFIG_H)
#include "config/bitcoin-config.h" /* for USE_QRCODE */
#endif

#ifdef USE_QRCODE
#include <qrencode.h>
#endif

QRImageWidget::QRImageWidget(QWidget *parent):
    QLabel(parent), contextMenu(0)
{
    contextMenu = new QMenu();
    QAction *saveImageAction = new QAction(tr("&Save Image..."), this);
    connect(saveImageAction, SIGNAL(triggered()), this, SLOT(saveImage()));
    contextMenu->addAction(saveImageAction);
    QAction *copyImageAction = new QAction(tr("&Copy Image"), this);
    connect(copyImageAction, SIGNAL(triggered()), this, SLOT(copyImage()));
    contextMenu->addAction(copyImageAction);
}

QImage QRImageWidget::exportImage()
{
    if(!pixmap())
        return QImage();
    return pixmap()->toImage().scaled(EXPORT_IMAGE_SIZE, EXPORT_IMAGE_SIZE);
}

void QRImageWidget::mousePressEvent(QMouseEvent *event)
{
    if(event->button() == Qt::LeftButton && pixmap())
    {
        event->accept();
        QMimeData *mimeData = new QMimeData;
        mimeData->setImageData(exportImage());

        QDrag *drag = new QDrag(this);
        drag->setMimeData(mimeData);
        drag->exec();
    } else {
        QLabel::mousePressEvent(event);
    }
}

void QRImageWidget::saveImage()
{
    if(!pixmap())
        return;
    QString fn = GUIUtil::getSaveFileName(this, tr("Save QR Code"), QString(), tr("PNG Image (*.png)"), NULL);
    if (!fn.isEmpty())
    {
        exportImage().save(fn);
    }
}

void QRImageWidget::copyImage()
{
    if(!pixmap())
        return;
    QApplication::clipboard()->setImage(exportImage());
}

void QRImageWidget::contextMenuEvent(QContextMenuEvent *event)
{
    if(!pixmap())
        return;
    contextMenu->exec(event->globalPos());
}

ReceiveRequestDialog::ReceiveRequestDialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::ReceiveRequestDialog),
    model(0)
{
    ui->setupUi(this);

#ifndef USE_QRCODE
    ui->btnSaveAs->setVisible(false);
    ui->lblQRCode->setVisible(false);
#endif

    connect(ui->btnSaveAs, SIGNAL(clicked()), ui->lblQRCode, SLOT(saveImage()));
}

ReceiveRequestDialog::~ReceiveRequestDialog()
{
    delete ui;
}

void ReceiveRequestDialog::setModel(OptionsModel *model)
{
    this->model = model;

    if (model)
        connect(model, SIGNAL(displayUnitChanged(int)), this, SLOT(update()));

    // update the display unit if necessary
    update();
}

void ReceiveRequestDialog::setInfo(const SendCoinsRecipient &info)
{
    this->info = info;
    update();
}

void ReceiveRequestDialog::update()
{
    if(!model)
        return;
    QString target = info.label;
    if(target.isEmpty())
        target = info.address;
    setWindowTitle(tr("Request payment to %1").arg(target));

    QString uri = GUIUtil::formatBitcoinURI(info);
    ui->btnSaveAs->setEnabled(false);
    QString html;
    html += "<html><font face='verdana, arial, helvetica, sans-serif'>";
    html += "<b>"+tr("Payment information")+"</b><br>";
    html += "<b>"+tr("URI")+"</b>: ";
    html += "<a href=\""+uri+"\">" + GUIUtil::HtmlEscape(uri) + "</a><br>";
    html += "<b>"+tr("Address")+"</b>: " + GUIUtil::HtmlEscape(info.address) + "<br>";
    if(info.amount)
        html += "<b>"+tr("Amount")+"</b>: " + BitcoinUnits::formatWithUnit(model->getDisplayUnit(), info.amount) + "<br>";
    if(!info.label.isEmpty())
        html += "<b>"+tr("Label")+"</b>: " + GUIUtil::HtmlEscape(info.label) + "<br>";
    if(!info.message.isEmpty())
        html += "<b>"+tr("Message")+"</b>: " + GUIUtil::HtmlEscape(info.message) + "<br>";
    ui->outUri->setText(html);

#ifdef USE_QRCODE
    ui->lblQRCode->setText("");
    if(!uri.isEmpty())
    {
        // limit URI length
        if (uri.length() > MAX_URI_LENGTH)
        {
            ui->lblQRCode->setText(tr("Resulting URI too long, try to reduce the text for label / message."));
        } else {
            QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
            if (!code)
            {
                ui->lblQRCode->setText(tr("Error encoding URI into QR Code."));
                return;
            }
            QImage 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));
            ui->btnSaveAs->setEnabled(true);
        }
    }
#endif
}

void ReceiveRequestDialog::on_btnCopyURI_clicked()
{
    GUIUtil::setClipboard(GUIUtil::formatBitcoinURI(info));
}

void ReceiveRequestDialog::on_btnCopyAddress_clicked()
{
    GUIUtil::setClipboard(info.address);
}
Commit	Line	Data
f914f1a7	1	// Copyright (c) 2011-2013 The Bitcoin Core developers
78253fcb	2	// Distributed under the MIT software license, see the accompanying
e592d43f WL	3	// file COPYING or http://www.opensource.org/licenses/mit-license.php.
e592d43f WL	4
74fb765e WL	5	#include "receiverequestdialog.h"
74fb765e WL	6	#include "ui_receiverequestdialog.h"
5c83f797 PK	7
	8	#include "bitcoinunits.h"
	9	#include "guiconstants.h"
303a47c0	10	#include "guiutil.h"
5c83f797	11	#include "optionsmodel.h"
8a7f37c7	12	#include "walletmodel.h"
303a47c0	13
82095923	14	#include <QClipboard>
33a2febf	15	#include <QDrag>
bbe1925c	16	#include <QMenu>
33a2febf	17	#include <QMimeData>
79fac3f4 PK	18	#include <QMouseEvent>
79fac3f4 PK	19	#include <QPixmap>
25c0cce7	20	#if QT_VERSION < 0x050000
22123c85	21	#include <QUrl>
25c0cce7	22	#endif
22123c85	23
d57a496c	24	#if defined(HAVE_CONFIG_H)
f3967bcc	25	#include "config/bitcoin-config.h" /* for USE_QRCODE */
d57a496c	26	#endif
74fb765e WL	27
74fb765e WL	28	#ifdef USE_QRCODE
22123c85	29	#include <qrencode.h>
74fb765e	30	#endif
22123c85	31
82095923	32	QRImageWidget::QRImageWidget(QWidget *parent):
9d558e1c	33	QLabel(parent), contextMenu(0)
82095923	34	{
9d558e1c	35	contextMenu = new QMenu();
82095923 WL	36	QAction *saveImageAction = new QAction(tr("&Save Image..."), this);
82095923 WL	37	connect(saveImageAction, SIGNAL(triggered()), this, SLOT(saveImage()));
9d558e1c	38	contextMenu->addAction(saveImageAction);
82095923 WL	39	QAction *copyImageAction = new QAction(tr("&Copy Image"), this);
82095923 WL	40	connect(copyImageAction, SIGNAL(triggered()), this, SLOT(copyImage()));
9d558e1c	41	contextMenu->addAction(copyImageAction);
82095923 WL	42	}
	43
	44	QImage QRImageWidget::exportImage()
	45	{
9d558e1c WL	46	if(!pixmap())
9d558e1c WL	47	return QImage();
82095923 WL	48	return pixmap()->toImage().scaled(EXPORT_IMAGE_SIZE, EXPORT_IMAGE_SIZE);
	49	}
	50
	51	void QRImageWidget::mousePressEvent(QMouseEvent *event)
	52	{
9d558e1c	53	if(event->button() == Qt::LeftButton && pixmap())
82095923	54	{
70b14636	55	event->accept();
82095923 WL	56	QMimeData *mimeData = new QMimeData;
	57	mimeData->setImageData(exportImage());
	58
	59	QDrag *drag = new QDrag(this);
	60	drag->setMimeData(mimeData);
	61	drag->exec();
70b14636 WL	62	} else {
70b14636 WL	63	QLabel::mousePressEvent(event);
82095923 WL	64	}
	65	}
	66
	67	void QRImageWidget::saveImage()
	68	{
9d558e1c WL	69	if(!pixmap())
9d558e1c WL	70	return;
4f7d496b	71	QString fn = GUIUtil::getSaveFileName(this, tr("Save QR Code"), QString(), tr("PNG Image (*.png)"), NULL);
82095923 WL	72	if (!fn.isEmpty())
	73	{
	74	exportImage().save(fn);
	75	}
	76	}
	77
	78	void QRImageWidget::copyImage()
	79	{
9d558e1c WL	80	if(!pixmap())
9d558e1c WL	81	return;
82095923 WL	82	QApplication::clipboard()->setImage(exportImage());
	83	}
	84
9d558e1c WL	85	void QRImageWidget::contextMenuEvent(QContextMenuEvent *event)
	86	{
	87	if(!pixmap())
	88	return;
	89	contextMenu->exec(event->globalPos());
	90	}
	91
33a2febf	92	ReceiveRequestDialog::ReceiveRequestDialog(QWidget *parent) :
5c83f797	93	QDialog(parent),
74fb765e	94	ui(new Ui::ReceiveRequestDialog),
33a2febf	95	model(0)
22123c85	96	{
22123c85	97	ui->setupUi(this);
5c83f797	98
74fb765e WL	99	#ifndef USE_QRCODE
	100	ui->btnSaveAs->setVisible(false);
	101	ui->lblQRCode->setVisible(false);
	102	#endif
5c83f797	103
82095923	104	connect(ui->btnSaveAs, SIGNAL(clicked()), ui->lblQRCode, SLOT(saveImage()));
22123c85	105	}
22123c85	106
74fb765e	107	ReceiveRequestDialog::~ReceiveRequestDialog()
22123c85	108	{
	109	delete ui;
	110	}
	111
74fb765e	112	void ReceiveRequestDialog::setModel(OptionsModel *model)
5c83f797 PK	113	{
	114	this->model = model;
	115
	116	if (model)
33a2febf	117	connect(model, SIGNAL(displayUnitChanged(int)), this, SLOT(update()));
5c83f797	118
33a2febf WL	119	// update the display unit if necessary
33a2febf WL	120	update();
5c83f797 PK	121	}
5c83f797 PK	122
33a2febf	123	void ReceiveRequestDialog::setInfo(const SendCoinsRecipient &info)
1df182ff	124	{
33a2febf WL	125	this->info = info;
	126	update();
	127	}
	128
	129	void ReceiveRequestDialog::update()
	130	{
	131	if(!model)
	132	return;
	133	QString target = info.label;
	134	if(target.isEmpty())
	135	target = info.address;
	136	setWindowTitle(tr("Request payment to %1").arg(target));
	137
786b066f	138	QString uri = GUIUtil::formatBitcoinURI(info);
74fb765e	139	ui->btnSaveAs->setEnabled(false);
33a2febf WL	140	QString html;
33a2febf WL	141	html += "<html><font face='verdana, arial, helvetica, sans-serif'>";
33a2febf	142	html += "<b>"+tr("Payment information")+"</b><br>";
70b14636 WL	143	html += "<b>"+tr("URI")+"</b>: ";
70b14636 WL	144	html += "<a href=\""+uri+"\">" + GUIUtil::HtmlEscape(uri) + "</a><br>";
33a2febf WL	145	html += "<b>"+tr("Address")+"</b>: " + GUIUtil::HtmlEscape(info.address) + "<br>";
	146	if(info.amount)
	147	html += "<b>"+tr("Amount")+"</b>: " + BitcoinUnits::formatWithUnit(model->getDisplayUnit(), info.amount) + "<br>";
	148	if(!info.label.isEmpty())
	149	html += "<b>"+tr("Label")+"</b>: " + GUIUtil::HtmlEscape(info.label) + "<br>";
	150	if(!info.message.isEmpty())
	151	html += "<b>"+tr("Message")+"</b>: " + GUIUtil::HtmlEscape(info.message) + "<br>";
	152	ui->outUri->setText(html);
786b066f	153
74fb765e	154	#ifdef USE_QRCODE
786b066f WL	155	ui->lblQRCode->setText("");
786b066f WL	156	if(!uri.isEmpty())
9e0dba8c	157	{
786b066f WL	158	// limit URI length
786b066f WL	159	if (uri.length() > MAX_URI_LENGTH)
9e0dba8c	160	{
786b066f WL	161	ui->lblQRCode->setText(tr("Resulting URI too long, try to reduce the text for label / message."));
	162	} else {
	163	QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
	164	if (!code)
b1a99c3a	165	{
786b066f WL	166	ui->lblQRCode->setText(tr("Error encoding URI into QR Code."));
786b066f WL	167	return;
b1a99c3a	168	}
786b066f WL	169	QImage myImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32);
	170	myImage.fill(0xffffff);
	171	unsigned char *p = code->data;
	172	for (int y = 0; y < code->width; y++)
	173	{
	174	for (int x = 0; x < code->width; x++)
	175	{
	176	myImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff));
	177	p++;
	178	}
	179	}
	180	QRcode_free(code);
5c83f797	181
786b066f WL	182	ui->lblQRCode->setPixmap(QPixmap::fromImage(myImage).scaled(300, 300));
	183	ui->btnSaveAs->setEnabled(true);
	184	}
22123c85	185	}
74fb765e	186	#endif
22123c85	187	}
22123c85	188
33a2febf	189	void ReceiveRequestDialog::on_btnCopyURI_clicked()
1df182ff	190	{
79fac3f4	191	GUIUtil::setClipboard(GUIUtil::formatBitcoinURI(info));
22123c85	192	}
22123c85	193
70b14636 WL	194	void ReceiveRequestDialog::on_btnCopyAddress_clicked()
70b14636 WL	195	{
79fac3f4	196	GUIUtil::setClipboard(info.address);
70b14636	197	}