350 lines
12 KiB
C++
350 lines
12 KiB
C++
#include "mainwindow.h"
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#include "bottombuttongroup.h"
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#include "graphicsview.h"
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#include "navigatorview.h"
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#include "graphicsscene.h"
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#include <QMouseEvent>
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#include <QMovie>
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#include <QDebug>
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#include <QGraphicsTextItem>
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#include <QApplication>
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#include <QStyle>
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#include <QScreen>
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#include <QGraphicsOpacityEffect>
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#ifdef _WIN32
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#include <windows.h>
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#endif // _WIN32
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MainWindow::MainWindow(QWidget *parent) :
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QMainWindow(parent)
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{
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this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
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this->setAttribute(Qt::WA_TranslucentBackground, true);
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this->setMinimumSize(710, 530);
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this->setWindowIcon(QIcon(":/icons/app-icon.svg"));
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m_fadeOutAnimation = new QPropertyAnimation(this, "windowOpacity");
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m_fadeOutAnimation->setDuration(300);
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m_fadeOutAnimation->setStartValue(1);
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m_fadeOutAnimation->setEndValue(0);
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m_floatUpAnimation = new QPropertyAnimation(this, "geometry");
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m_floatUpAnimation->setDuration(300);
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m_floatUpAnimation->setEasingCurve(QEasingCurve::OutCirc);
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m_exitAnimationGroup = new QParallelAnimationGroup;
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m_exitAnimationGroup->addAnimation(m_fadeOutAnimation);
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m_exitAnimationGroup->addAnimation(m_floatUpAnimation);
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connect(m_exitAnimationGroup, &QParallelAnimationGroup::finished,
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this, &QMainWindow::close);
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GraphicsScene * scene = new GraphicsScene(this);
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m_graphicsView = new GraphicsView(this);
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m_graphicsView->setScene(scene);
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this->setCentralWidget(m_graphicsView);
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m_gv = new NavigatorView(this);
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m_gv->setFixedSize(250, 160);
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m_gv->setScene(scene);
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m_gv->setMainView(m_graphicsView);
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m_gv->fitInView(m_gv->sceneRect(), Qt::KeepAspectRatio);
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connect(m_graphicsView, &GraphicsView::navigatorViewRequired,
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this, [ = ](bool required, qreal angle){
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m_gv->resetTransform();
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m_gv->rotate(angle);
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m_gv->fitInView(m_gv->sceneRect(), Qt::KeepAspectRatio);
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m_gv->setVisible(required);
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});
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connect(m_graphicsView, &GraphicsView::viewportRectChanged,
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m_gv, &NavigatorView::updateMainViewportRegion);
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m_closeButton = new QPushButton(m_graphicsView);
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m_closeButton->setFlat(true);
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m_closeButton->setFixedSize(50, 50);
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m_closeButton->setStyleSheet("QPushButton {"
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"background: transparent;"
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"}"
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"QPushButton:hover {"
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"background: red;"
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"}");
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connect(m_closeButton, &QAbstractButton::clicked,
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this, &MainWindow::closeWindow);
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m_bottomButtonGroup = new BottomButtonGroup(this);
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connect(m_bottomButtonGroup, &BottomButtonGroup::resetToOriginalBtnClicked,
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this, [ = ](){ m_graphicsView->resetScale(); });
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connect(m_bottomButtonGroup, &BottomButtonGroup::zoomInBtnClicked,
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this, [ = ](){ m_graphicsView->zoomView(1.25); });
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connect(m_bottomButtonGroup, &BottomButtonGroup::zoomOutBtnClicked,
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this, [ = ](){ m_graphicsView->zoomView(0.75); });
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connect(m_bottomButtonGroup, &BottomButtonGroup::toggleCheckerboardBtnClicked,
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this, [ = ](){ m_graphicsView->toggleCheckerboard(); });
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connect(m_bottomButtonGroup, &BottomButtonGroup::rotateRightBtnClicked,
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this, [ = ](){
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m_graphicsView->resetScale();
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m_graphicsView->rotateView(90);
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m_graphicsView->checkAndDoFitInView();
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m_gv->setVisible(false);
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});
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m_btnGrpEffect = new QGraphicsOpacityEffect(this);
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m_bribViewEffect = new QGraphicsOpacityEffect(this);
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m_bottomButtonGroup->setGraphicsEffect(m_btnGrpEffect);
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m_gv->setGraphicsEffect(m_bribViewEffect);
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m_btnGrpOpacityAnimation = new QPropertyAnimation(m_btnGrpEffect, "opacity");
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m_btnGrpOpacityAnimation->setDuration(300);
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m_bribViewOpacityAnimation = new QPropertyAnimation(m_bribViewEffect, "opacity");
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m_bribViewOpacityAnimation->setDuration(300);
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m_btnGrpEffect->setOpacity(0);
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m_bribViewEffect->setOpacity(0);
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centerWindow();
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}
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MainWindow::~MainWindow()
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{
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}
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void MainWindow::showUrls(const QList<QUrl> &urls)
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{
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m_graphicsView->showFromUrlList(urls);
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m_gv->fitInView(m_gv->sceneRect(), Qt::KeepAspectRatio);
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}
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void MainWindow::adjustWindowSizeBySceneRect()
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{
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if (m_graphicsView->scaleFactor() < 1) {
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// if it scaled down by the resize policy:
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QSize screenSize = qApp->screenAt(QCursor::pos())->availableSize();
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QSize sceneSize = m_graphicsView->sceneRect().toRect().size();
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QSize sceneSizeWithMargins = sceneSize + QSize(20, 20);
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if (screenSize.expandedTo(sceneSize) == screenSize) {
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// we can show the picture by increase the window size.
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if (screenSize.expandedTo(sceneSizeWithMargins) == screenSize) {
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this->resize(sceneSizeWithMargins);
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} else {
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this->resize(screenSize);
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}
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centerWindow();
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} else {
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// toggle maximum
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showMaximized();
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}
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}
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}
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void MainWindow::showEvent(QShowEvent *event)
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{
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updateWidgetsPosition();
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return QMainWindow::showEvent(event);
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}
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void MainWindow::enterEvent(QEvent *event)
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{
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m_btnGrpOpacityAnimation->stop();
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m_btnGrpOpacityAnimation->setStartValue(m_btnGrpEffect->opacity());
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m_btnGrpOpacityAnimation->setEndValue(1);
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m_btnGrpOpacityAnimation->start();
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m_bribViewOpacityAnimation->stop();
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m_bribViewOpacityAnimation->setStartValue(m_bribViewEffect->opacity());
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m_bribViewOpacityAnimation->setEndValue(1);
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m_bribViewOpacityAnimation->start();
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return QMainWindow::enterEvent(event);
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}
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void MainWindow::leaveEvent(QEvent *event)
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{
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m_btnGrpOpacityAnimation->stop();
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m_btnGrpOpacityAnimation->setStartValue(m_btnGrpEffect->opacity());
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m_btnGrpOpacityAnimation->setEndValue(0);
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m_btnGrpOpacityAnimation->start();
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m_bribViewOpacityAnimation->stop();
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m_bribViewOpacityAnimation->setStartValue(m_bribViewEffect->opacity());
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m_bribViewOpacityAnimation->setEndValue(0);
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m_bribViewOpacityAnimation->start();
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return QMainWindow::leaveEvent(event);
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}
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void MainWindow::mousePressEvent(QMouseEvent *event)
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{
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if (event->buttons() & Qt::LeftButton) {
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m_clickedOnWindow = true;
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m_oldMousePos = event->pos();
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qDebug() << m_oldMousePos << m_graphicsView->transform().m11()
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<< m_graphicsView->transform().m22() << m_graphicsView->matrix().m12();
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event->accept();
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}
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return QMainWindow::mousePressEvent(event);
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}
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void MainWindow::mouseMoveEvent(QMouseEvent *event)
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{
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if (event->buttons() & Qt::LeftButton && m_clickedOnWindow) {
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move(event->globalPos() - m_oldMousePos);
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event->accept();
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}
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return QMainWindow::mouseMoveEvent(event);
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}
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void MainWindow::mouseReleaseEvent(QMouseEvent *event)
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{
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m_clickedOnWindow = false;
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return QMainWindow::mouseReleaseEvent(event);
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}
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void MainWindow::mouseDoubleClickEvent(QMouseEvent *event)
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{
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closeWindow();
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return QMainWindow::mouseDoubleClickEvent(event);
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}
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void MainWindow::wheelEvent(QWheelEvent *event)
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{
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if (event->delta() > 0) {
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m_graphicsView->zoomView(1.25);
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} else {
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m_graphicsView->zoomView(0.8);
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}
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}
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void MainWindow::resizeEvent(QResizeEvent *event)
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{
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updateWidgetsPosition();
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return QMainWindow::resizeEvent(event);
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}
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bool MainWindow::nativeEvent(const QByteArray &eventType, void *message, long *result)
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{
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#ifdef _WIN32
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// https://stackoverflow.com/questions/43505580/qt-windows-resizable-frameless-window
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// Too lazy to do this now.. just stackoverflow it and did a copy and paste..
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Q_UNUSED(eventType);
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MSG* msg = static_cast<MSG*>(message);
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if (msg->message == WM_NCHITTEST) {
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if (isMaximized()) {
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return false;
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}
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*result = 0;
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const LONG borderWidth = 8;
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RECT winrect;
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GetWindowRect(reinterpret_cast<HWND>(winId()), &winrect);
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// must be short to correctly work with multiple monitors (negative coordinates)
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short x = msg->lParam & 0x0000FFFF;
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short y = (msg->lParam & 0xFFFF0000) >> 16;
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bool resizeWidth = minimumWidth() != maximumWidth();
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bool resizeHeight = minimumHeight() != maximumHeight();
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if (resizeWidth) {
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//left border
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if (x >= winrect.left && x < winrect.left + borderWidth) {
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*result = HTLEFT;
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}
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//right border
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if (x < winrect.right && x >= winrect.right - borderWidth) {
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*result = HTRIGHT;
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}
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}
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if (resizeHeight) {
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//bottom border
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if (y < winrect.bottom && y >= winrect.bottom - borderWidth) {
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*result = HTBOTTOM;
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}
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//top border
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if (y >= winrect.top && y < winrect.top + borderWidth) {
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*result = HTTOP;
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}
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}
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if (resizeWidth && resizeHeight) {
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//bottom left corner
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if (x >= winrect.left && x < winrect.left + borderWidth &&
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y < winrect.bottom && y >= winrect.bottom - borderWidth)
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{
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*result = HTBOTTOMLEFT;
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}
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//bottom right corner
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if (x < winrect.right && x >= winrect.right - borderWidth &&
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y < winrect.bottom && y >= winrect.bottom - borderWidth)
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{
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*result = HTBOTTOMRIGHT;
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}
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//top left corner
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if (x >= winrect.left && x < winrect.left + borderWidth &&
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y >= winrect.top && y < winrect.top + borderWidth)
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{
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*result = HTTOPLEFT;
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}
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//top right corner
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if (x < winrect.right && x >= winrect.right - borderWidth &&
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y >= winrect.top && y < winrect.top + borderWidth)
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{
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*result = HTTOPRIGHT;
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}
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}
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if (*result != 0)
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return true;
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QWidget *action = QApplication::widgetAt(QCursor::pos());
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if (action == this) {
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*result = HTCAPTION;
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return true;
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}
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}
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return false;
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#else
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return QMainWindow::nativeEvent(eventType, message, result);
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#endif // _WIN32
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}
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void MainWindow::centerWindow()
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{
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this->setGeometry(
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QStyle::alignedRect(
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Qt::LeftToRight,
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Qt::AlignCenter,
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this->size(),
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qApp->screenAt(QCursor::pos())->geometry()
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)
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);
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}
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void MainWindow::closeWindow()
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{
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QRect windowRect(this->geometry());
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m_floatUpAnimation->setStartValue(windowRect);
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m_floatUpAnimation->setEndValue(windowRect.adjusted(0, -80, 0, 0));
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m_floatUpAnimation->setStartValue(QRect(this->geometry().x(), this->geometry().y(), this->geometry().width(), this->geometry().height()));
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m_floatUpAnimation->setEndValue(QRect(this->geometry().x(), this->geometry().y()-80, this->geometry().width(), this->geometry().height()));
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m_exitAnimationGroup->start();
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}
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void MainWindow::updateWidgetsPosition()
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{
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m_closeButton->move(width() - m_closeButton->width(), 0);
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m_bottomButtonGroup->move((width() - m_bottomButtonGroup->width()) / 2,
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height() - m_bottomButtonGroup->height());
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m_gv->move(width() - m_gv->width(), height() - m_gv->height());
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}
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