1/* Copyright (c) 2013-2015 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 "Display.h"
  7
  8#include "DisplayGL.h"
  9#include "DisplayQt.h"
 10
 11using namespace QGBA;
 12
 13#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(USE_EPOXY)
 14Display::Driver Display::s_driver = Display::Driver::OPENGL;
 15#else
 16Display::Driver Display::s_driver = Display::Driver::QT;
 17#endif
 18
 19Display* Display::create(QWidget* parent) {
 20#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(USE_EPOXY)
 21	QSurfaceFormat format;
 22	format.setSwapInterval(1);
 23	format.setSwapBehavior(QSurfaceFormat::DoubleBuffer);
 24#endif
 25
 26	switch (s_driver) {
 27#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(USE_EPOXY)
 28	case Driver::OPENGL:
 29		format.setVersion(3, 0);
 30		return new DisplayGL(format, parent);
 31#endif
 32#ifdef BUILD_GL
 33	case Driver::OPENGL1:
 34		format.setVersion(1, 4);
 35		return new DisplayGL(format, parent);
 36#endif
 37
 38	case Driver::QT:
 39		return new DisplayQt(parent);
 40
 41	default:
 42#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(USE_EPOXY)
 43		return new DisplayGL(format, parent);
 44#else
 45		return new DisplayQt(parent);
 46#endif
 47	}
 48}
 49
 50Display::Display(QWidget* parent)
 51	: QWidget(parent)
 52{
 53	setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
 54	connect(&m_mouseTimer, &QTimer::timeout, this, &Display::hideCursor);
 55	m_mouseTimer.setSingleShot(true);
 56	m_mouseTimer.setInterval(MOUSE_DISAPPEAR_TIMER);
 57	setMouseTracking(true);
 58}
 59
 60QSize Display::viewportSize() {
 61	QSize s = size();
 62	QSize ds = s;
 63	if (isAspectRatioLocked()) {
 64		if (s.width() * m_coreHeight > s.height() * m_coreWidth) {
 65			ds.setWidth(s.height() * m_coreWidth / m_coreHeight);
 66		} else if (s.width() * m_coreHeight < s.height() * m_coreWidth) {
 67			ds.setHeight(s.width() * m_coreHeight / m_coreWidth);
 68		}
 69	}
 70	if (isIntegerScalingLocked()) {
 71		ds.setWidth(ds.width() - ds.width() % m_coreWidth);
 72		ds.setHeight(ds.height() - ds.height() % m_coreHeight);
 73	}
 74	return ds;
 75}
 76
 77void Display::resizeEvent(QResizeEvent*) {
 78	m_messagePainter.resize(size(), m_lockAspectRatio, devicePixelRatio());
 79}
 80
 81void Display::lockAspectRatio(bool lock) {
 82	m_lockAspectRatio = lock;
 83	m_messagePainter.resize(size(), m_lockAspectRatio, devicePixelRatio());
 84}
 85
 86void Display::lockIntegerScaling(bool lock) {
 87	m_lockIntegerScaling = lock;
 88}
 89
 90void Display::interframeBlending(bool lock) {
 91	m_interframeBlending = lock;
 92}
 93
 94void Display::filter(bool filter) {
 95	m_filter = filter;
 96}
 97
 98void Display::showMessage(const QString& message) {
 99	m_messagePainter.showMessage(message);
100	if (!isDrawing()) {
101		forceDraw();
102	}
103}
104
105void Display::mouseMoveEvent(QMouseEvent* event) {
106	emit showCursor();
107	m_mouseTimer.stop();
108	m_mouseTimer.start();
109	event->ignore();
110}
111
112void Display::setSystemDimensions(int width, int height) {
113	m_coreWidth = width;
114	m_coreHeight = height;
115}