init commit

mainwindow.cpp

@@ -0,0 +1,108 @@
+#include "mainwindow.h"
+
+#include "graphicsview.h"
+
+#include <QMouseEvent>
+#include <QMovie>
+#include <QDebug>
+#include <QGraphicsTextItem>
+
+MainWindow::MainWindow(QWidget *parent) :
+    QMainWindow(parent)
+{
+    this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
+    this->setAttribute(Qt::WA_TranslucentBackground, true);
+    this->setMinimumSize(610, 410);
+
+    m_fadeOutAnimation = new QPropertyAnimation(this, "windowOpacity");
+    m_fadeOutAnimation->setDuration(300);
+    m_fadeOutAnimation->setStartValue(1);
+    m_fadeOutAnimation->setEndValue(0);
+    m_floatUpAnimation = new QPropertyAnimation(this, "geometry");
+    m_floatUpAnimation->setDuration(300);
+    m_floatUpAnimation->setEasingCurve(QEasingCurve::OutCirc);
+    m_exitAnimationGroup = new QParallelAnimationGroup;
+    m_exitAnimationGroup->addAnimation(m_fadeOutAnimation);
+    m_exitAnimationGroup->addAnimation(m_floatUpAnimation);
+    connect(m_exitAnimationGroup, &QParallelAnimationGroup::finished,
+            this, &QMainWindow::close);
+
+    QGraphicsScene * scene = new QGraphicsScene(this);
+    QGraphicsTextItem * textItem = scene->addText("Hello, world!");
+    textItem->setDefaultTextColor(QColor("White"));
+
+    GraphicsView * test = new GraphicsView(this);
+    test->setScene(scene);
+    this->setCentralWidget(test);
+
+    m_closeButton = new QPushButton(test);
+    m_closeButton->setFlat(true);
+    m_closeButton->setFixedSize(50, 50);
+    m_closeButton->setStyleSheet("QPushButton {"
+                                 "background: transparent;"
+                                 "}"
+                                 "QPushButton:hover {"
+                                 "background: red;"
+                                 "}");
+
+    connect(m_closeButton, &QAbstractButton::clicked,
+            this, &MainWindow::closeWindow);
+}
+
+MainWindow::~MainWindow()
+{
+
+}
+
+void MainWindow::mousePressEvent(QMouseEvent *event)
+{
+    if (event->buttons() & Qt::LeftButton) {
+        m_clickedOnWindow = true;
+        m_oldMousePos = event->pos();
+        qDebug() << m_oldMousePos;
+        event->accept();
+    }
+
+    return QMainWindow::mousePressEvent(event);
+}
+
+void MainWindow::mouseMoveEvent(QMouseEvent *event)
+{
+    if (event->buttons() & Qt::LeftButton && m_clickedOnWindow) {
+        move(event->globalPos() - m_oldMousePos);
+        event->accept();
+    }
+
+    return QMainWindow::mouseMoveEvent(event);
+}
+
+void MainWindow::mouseReleaseEvent(QMouseEvent *event)
+{
+    m_clickedOnWindow = false;
+
+    return QMainWindow::mouseReleaseEvent(event);
+}
+
+void MainWindow::mouseDoubleClickEvent(QMouseEvent *event)
+{
+    closeWindow();
+
+    return QMainWindow::mouseDoubleClickEvent(event);
+}
+
+void MainWindow::resizeEvent(QResizeEvent *event)
+{
+    m_closeButton->move(width() - m_closeButton->width(), 0);
+
+    return QMainWindow::resizeEvent(event);
+}
+
+void MainWindow::closeWindow()
+{
+    QRect windowRect(this->geometry());
+    m_floatUpAnimation->setStartValue(windowRect);
+    m_floatUpAnimation->setEndValue(windowRect.adjusted(0, -80, 0, 0));
+    m_floatUpAnimation->setStartValue(QRect(this->geometry().x(), this->geometry().y(), this->geometry().width(), this->geometry().height()));
+    m_floatUpAnimation->setEndValue(QRect(this->geometry().x(), this->geometry().y()-80, this->geometry().width(), this->geometry().height()));
+    m_exitAnimationGroup->start();
+}