mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QParallelAnimationGroup>
#include <QPropertyAnimation>
#include <QPushButton>
#include <QShowEvent>

QT_BEGIN_NAMESPACE
class QGraphicsOpacityEffect;
class QGraphicsView;
QT_END_NAMESPACE

class ToolButton;
class GraphicsView;
class NavigatorView;
class BottomButtonGroup;

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr);
    ~MainWindow() override;

    void showUrls(const QList<QUrl> &urls);
    void adjustWindowSizeBySceneRect();
    QUrl currentImageFileUrl();

    void clearGallery();
    void loadGalleryBySingleLocalFile(const QString &path);
    void galleryPrev();
    void galleryNext();
    bool isGalleryAvailable();

signals:
    void galleryLoaded();

protected slots:
    void showEvent(QShowEvent *event)              override;
    void enterEvent(QEvent *event)                 override;
    void leaveEvent(QEvent *event)                 override;
    void mousePressEvent(QMouseEvent *event)       override;
    void mouseMoveEvent(QMouseEvent *event)        override;
    void mouseReleaseEvent(QMouseEvent *event)     override;
    void mouseDoubleClickEvent(QMouseEvent *event) override;
    void wheelEvent(QWheelEvent *event)            override;
    void resizeEvent(QResizeEvent *event)          override;
    void contextMenuEvent(QContextMenuEvent *event)override;

    QSize sizeHint()                         const override;


    void centerWindow();
    void closeWindow();
    void updateWidgetsPosition();
    void toggleProtectMode();
    void toggleStayOnTop();
    bool stayOnTop();
    void quitAppAction(bool force = false);
    void toggleFullscreen(); // 全屏/正常
    void toggleMaximize();

private:
    QPoint                   m_oldMousePos;
    QPropertyAnimation      *m_fadeOutAnimation;
    QPropertyAnimation      *m_floatUpAnimation;
    QParallelAnimationGroup *m_exitAnimationGroup;
    ToolButton              *m_closeButton;
    ToolButton              *m_prevButton;
    ToolButton              *m_nextButton;
    GraphicsView            *m_graphicsView;
    NavigatorView           *m_gv;

    BottomButtonGroup       *m_bottomButtonGroup;
    bool                     m_protectMode = false;
    bool                     m_clickedOnWindow = false;

    QList<QUrl>              m_files;
    int                      m_currentFileIndex = -1;
};
#endif // MAINWINDOW_H