1/* Copyright (c) 2013-2017 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#include "PrinterView.h"
  7
  8#include "CoreController.h"
  9#include "GBAApp.h"
 10
 11#include <QAction>
 12#include <QClipboard>
 13#include <QPainter>
 14
 15using namespace QGBA;
 16
 17PrinterView::PrinterView(std::shared_ptr<CoreController> controller, QWidget* parent)
 18	: QDialog(parent, Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint)
 19	, m_controller(controller)
 20{
 21	m_ui.setupUi(this);
 22
 23	connect(controller.get(), &CoreController::imagePrinted, this, &PrinterView::printImage);
 24	connect(&m_timer, &QTimer::timeout, this, &PrinterView::printLine);
 25	connect(m_ui.hurry, &QAbstractButton::clicked, this, &PrinterView::printAll);
 26	connect(m_ui.tear, &QAbstractButton::clicked, this, &PrinterView::clear);
 27	connect(m_ui.copyButton, &QAbstractButton::clicked, this, &PrinterView::copy);
 28	connect(m_ui.buttonBox, &QDialogButtonBox::accepted, this, &PrinterView::save);
 29	m_timer.setInterval(80);
 30
 31	connect(m_ui.magnification, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged), [this](int mag) {
 32		if (m_image.isNull()) {
 33			return;
 34		}
 35		int oldMag = m_ui.image->size().width() / m_image.size().width();
 36		m_ui.image->setPixmap(m_image.scaled(m_image.size() * mag));
 37		m_ui.image->setFixedWidth(m_image.size().width() * mag);
 38		m_ui.image->setFixedHeight(m_ui.image->size().height() / oldMag * mag);
 39	});
 40
 41	QAction* save = new QAction(this);
 42	save->setShortcut(QKeySequence::Save);
 43	connect(save, &QAction::triggered, this, &PrinterView::save);
 44	addAction(save);
 45
 46	QAction* copyAction = new QAction(this);
 47	copyAction->setShortcut(QKeySequence::Copy);
 48	connect(copyAction, &QAction::triggered, this, &PrinterView::copy);
 49	addAction(copyAction);
 50
 51	clear();
 52}
 53
 54PrinterView::~PrinterView() {
 55	m_controller->detachPrinter();
 56}
 57
 58void PrinterView::save() {
 59	QString filename = GBAApp::app()->getSaveFileName(this, tr("Save Printout"), tr("Portable Network Graphics (*.png)"));
 60	if (filename.isNull()) {
 61		return;
 62	}
 63	m_image.save(filename);
 64}
 65
 66void PrinterView::copy() {
 67	GBAApp::app()->clipboard()->setImage(m_image.toImage());
 68}
 69
 70void PrinterView::clear() {
 71	m_ui.image->setFixedHeight(0);
 72	m_image = QPixmap();
 73	m_ui.image->clear();
 74	m_ui.buttonBox->button(QDialogButtonBox::Save)->setEnabled(false);
 75	m_ui.copyButton->setEnabled(false);
 76}
 77
 78void PrinterView::printImage(const QImage& image) {
 79	QPixmap pixmap(image.width(), image.height() + m_image.height());
 80	QPainter painter(&pixmap);
 81	painter.drawPixmap(0, 0, m_image);
 82	painter.drawImage(0, m_image.height(), image);
 83	m_image = pixmap;
 84	m_ui.image->setPixmap(m_image.scaled(m_image.size() * m_ui.magnification->value()));
 85	m_timer.start();
 86	m_ui.hurry->setEnabled(true);
 87}
 88
 89void PrinterView::printLine() {
 90	m_ui.image->setFixedHeight(m_ui.image->height() + m_ui.magnification->value());
 91	m_ui.scrollArea->ensureVisible(0, m_ui.image->height(), 0, 0);
 92	if (m_ui.image->height() >= m_image.height() * m_ui.magnification->value()) {
 93		printAll();
 94	}
 95}
 96
 97void PrinterView::printAll() {
 98	m_timer.stop();
 99	m_ui.image->setFixedHeight(m_image.height() * m_ui.magnification->value());
100	m_controller->endPrint();
101	m_ui.buttonBox->button(QDialogButtonBox::Save)->setEnabled(true);
102	m_ui.copyButton->setEnabled(true);
103	m_ui.hurry->setEnabled(false);
104}