feat: adapt to Qt6

adapt to Qt6

Log: adapt to Qt6; bump version to 1.7.1

src/mainwindow.h

@@ -0,0 +1,118 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <DMainWindow>
+#include <DAboutDialog>
+#include <DToolButton>
+#include <DProgressBar>
+#include <DPushButton>
+#include <DFloatingMessage>
+
+#include <QSystemTrayIcon>
+#include <QProcess>
+#include <QMutex>
+
+#include "widget.h"
+#include "globaldefine.h"
+
+DWIDGET_USE_NAMESPACE
+
+class MainWindow : public DMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow(QString szTitle = DEFAULT_TITLE,
+               QString szUrl = DEFAULT_URL,
+               int nWidth = DEFAULT_WIDTH,
+               int nHeight = DEFAULT_HEIGHT,
+               bool nTray = false,
+               bool nFullScreen = false,
+               bool nFixSize = false,
+               bool nHideButtons = false,
+               QWidget *parent = nullptr);
+    ~MainWindow();
+    bool event(QEvent *event) override;
+
+    void setIcon(QString szIconPath);
+    void setDescription(const QString &desc);
+
+    QString title() const;
+    QString tmpDir() const;
+
+protected:
+    void keyPressEvent(QKeyEvent *event);
+    void resizeEvent(QResizeEvent *event);
+    void closeEvent(QCloseEvent *event);
+
+private:
+    void initLog();
+    void initTmpDir();
+
+    void initUI();
+    void initTitleBar();
+    void initDownloadProgressBar();
+    void initTrayIcon();
+    void initConnections();
+
+    void fullScreen();
+    void fixSize();
+    void hideButtons();
+    void clearCache();
+
+    QString saveAs(QString fileName);
+
+signals:
+    void sigClose();
+
+public slots:
+    void slotNewInstanceStarted();
+
+private slots:
+    void on_trayIconActivated(QSystemTrayIcon::ActivationReason reason);
+
+    void on_downloadStart(QWebEngineDownloadRequest *request);
+    void on_receivedBytesChanged();
+    void on_downloadFinish(QString filePath);
+    void on_downloadPause(QWebEngineDownloadRequest *request);
+    void on_downloadResume(QWebEngineDownloadRequest *request);
+    void on_downloadCancel(QWebEngineDownloadRequest *request);
+
+    void slotLoadErrorOccurred();
+
+private:
+    QString m_title, m_url;
+    int m_width, m_height;
+    bool m_isTrayEnabled, m_isFullScreen, m_isFixedSize, m_isHideButton;
+
+    Widget *m_widget;
+    QSystemTrayIcon *m_tray;
+
+    DToolButton *btnBack;
+    DToolButton *btnForward;
+    DToolButton *btnRefresh;
+
+    QMenu *m_menu;
+    QAction *m_fullScreen;
+    QAction *m_fixSize;
+    QAction *m_hideButtons;
+    QAction *m_clearCache;
+
+    QMenu *t_menu;
+    QAction *t_show;
+    QAction *t_about;
+    QAction *t_exit;
+
+    DFloatingMessage *downloadMessage;
+    QWidget *downloadProgressWidget;
+    QHBoxLayout *progressBarLayout;
+    DProgressBar *downloadProgressBar;
+    DPushButton *btnPause;
+    DPushButton *btnResume;
+    DPushButton *btnCancel;
+
+    QMutex mutex; // 通过 Mutex 互斥量禁止同时下载多个文件（使用简单的 bool 变量应该也可以实现该功能？）
+    bool isCanceled; // 判断是否为取消下载
+};
+
+#endif // MAINWINDOW_H