refactor: remove frameless window

remove frameless window and merge it into mainwindow. because we do not need frameless and transparent window, so most of its functions are removed in previous commits.

CMakeLists.txt

@@ -39,7 +39,6 @@ endif ()
 
 set (PPIC_CPP_FILES
     app/main.cpp
-    app/framelesswindow.cpp
     app/mainwindow.cpp
     app/actionmanager.cpp
     app/graphicsview.cpp
@@ -57,7 +56,6 @@ set (PPIC_CPP_FILES
 )
 
 set (PPIC_HEADER_FILES
-    app/framelesswindow.h
     app/mainwindow.h
     app/actionmanager.h
     app/graphicsview.h

app/framelesswindow.cpp

@@ -1,36 +0,0 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-// SPDX-FileCopyrightText: 2023 Tad Young <yyc12321@outlook.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "framelesswindow.h"
-
-#include <QMouseEvent>
-#include <QHoverEvent>
-#include <QApplication>
-#include <QVBoxLayout>
-#include <QWindow>
-
-FramelessWindow::FramelessWindow(QWidget *parent)
-    : QWidget(parent)
-    , m_centralLayout(new QVBoxLayout(this))
-{
-    this->setWindowFlags(Qt::Window | Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint);
-
-    // YYC MARK:
-    // 72 px is the height of Windows Photo Viewer's bottom line.
-
-    // TODO: This value may be declared as a constant.
-    m_centralLayout->setContentsMargins(QMargins(0, 0, 0, 72));
-}
-
-void FramelessWindow::setCentralWidget(QWidget *widget)
-{
-    if (m_centralWidget) {
-        m_centralLayout->removeWidget(m_centralWidget);
-        m_centralWidget->deleteLater();
-    }
-
-    m_centralLayout->addWidget(widget);
-    m_centralWidget = widget;
-}

app/framelesswindow.h

@@ -1,27 +0,0 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#ifndef FRAMELESSWINDOW_H
-#define FRAMELESSWINDOW_H
-
-#include <QWidget>
-
-QT_BEGIN_NAMESPACE
-class QVBoxLayout;
-QT_END_NAMESPACE
-
-class FramelessWindow : public QWidget
-{
-    Q_OBJECT
-public:
-    explicit FramelessWindow(QWidget *parent = nullptr);
-
-    void setCentralWidget(QWidget * widget);
-
-private:
-    QVBoxLayout * m_centralLayout = nullptr;
-    QWidget * m_centralWidget = nullptr; // just a pointer, doesn't take the ownership.
-};
-
-#endif // FRAMELESSWINDOW_H

app/mainwindow.cpp

@@ -37,6 +37,7 @@
 #include <QProcess>
 #include <QDesktopServices>
 #include <QMessageBox>
+#include <QVBoxLayout>
 
 #ifdef HAVE_QTDBUS
 #include <QDBusInterface>
@@ -46,11 +47,17 @@
 using namespace Qt::Literals::StringLiterals;
 
 MainWindow::MainWindow(QWidget *parent)
-    : FramelessWindow(parent)
+    : QWidget(parent)
     , m_am(new ActionManager)
     , m_pm(new PlaylistManager(this))
     , m_fileSystemWatcher(new QFileSystemWatcher(this))
 {
+    this->setWindowFlags(Qt::Window | Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint);
+    m_centralLayout = new QVBoxLayout(this);
+    // YYC MARK:
+    // 72 px is the height of Windows Photo Viewer's bottom line.
+    m_centralLayout->setContentsMargins(QMargins(0, 0, 0, 72)); // TODO: This value may be declared as a constant.
+
     // YYC MARK:
     // Blumis set original value is 350 x 330.
     // It is too small for modern device,
@@ -65,7 +72,7 @@ MainWindow::MainWindow(QWidget *parent)
 
     m_gv = new GraphicsView(this);
     m_gv->setScene(scene);
-    this->setCentralWidget(m_gv);
+    m_centralLayout->addWidget(m_gv);
 
     m_nav = new NavigatorView(this);
     // YYC MARK:
@@ -299,17 +306,7 @@ void MainWindow::showEvent(QShowEvent *event)
 {
     updateWidgetsPosition();
 
-    return FramelessWindow::showEvent(event);
-}
-
-void MainWindow::enterEvent(QEnterEvent *event)
-{
-    return FramelessWindow::enterEvent(event);
-}
-
-void MainWindow::leaveEvent(QEvent *event)
-{
-    return FramelessWindow::leaveEvent(event);
+    return QWidget::showEvent(event);
 }
 
 void MainWindow::mouseDoubleClickEvent(QMouseEvent *event)
@@ -322,7 +319,7 @@ void MainWindow::mouseDoubleClickEvent(QMouseEvent *event)
 
     switch (Settings::instance()->doubleClickBehavior()) {
     case Settings::DoubleClickBehavior::Close:
-        quitAppAction();
+        closeWindow();
         event->accept();
         break;
     case Settings::DoubleClickBehavior::Maximize:
@@ -374,7 +371,7 @@ void MainWindow::wheelEvent(QWheelEvent *event)
         }
         event->accept();
     } else {
-        FramelessWindow::wheelEvent(event);
+        QWidget::wheelEvent(event);
     }
 }
 
@@ -382,14 +379,14 @@ void MainWindow::resizeEvent(QResizeEvent *event)
 {
     updateWidgetsPosition();
 
-    return FramelessWindow::resizeEvent(event);
+    return QWidget::resizeEvent(event);
 }
 
 void MainWindow::contextMenuEvent(QContextMenuEvent *event)
 {
     m_menu->exec(mapToGlobal(event->pos()));
 
-    return FramelessWindow::contextMenuEvent(event);
+    return QWidget::contextMenuEvent(event);
 }
 
 void MainWindow::dragEnterEvent(QDragEnterEvent *event)
@@ -400,7 +397,7 @@ void MainWindow::dragEnterEvent(QDragEnterEvent *event)
         event->ignore();
     }
 
-    return FramelessWindow::dragEnterEvent(event);
+    return QWidget::dragEnterEvent(event);
 }
 
 void MainWindow::dragMoveEvent(QDragMoveEvent *event)
@@ -448,11 +445,6 @@ void MainWindow::toggleAvoidResetTransform()
     m_gv->setAvoidResetTransform(!m_gv->isAvoidResetTransform());
 }
 
-void MainWindow::quitAppAction(bool force)
-{
-    closeWindow();
-}
-
 void MainWindow::toggleFullscreen()
 {
     if (isFullScreen()) {

app/mainwindow.h

@@ -5,14 +5,13 @@
 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H
 
-#include "framelesswindow.h"
-
 #include <QParallelAnimationGroup>
 #include <QPropertyAnimation>
 #include <QPushButton>
 
 QT_BEGIN_NAMESPACE
 class QMenu;
+class QVBoxLayout;
 class QGraphicsView;
 class QFileSystemWatcher;
 QT_END_NAMESPACE
@@ -22,7 +21,7 @@ class PlaylistManager;
 class GraphicsView;
 class NavigatorView;
 class BottomButtonGroup;
-class MainWindow : public FramelessWindow
+class MainWindow : public QWidget
 {
     Q_OBJECT
 
@@ -44,8 +43,6 @@ public:
 
 protected slots:
     void showEvent(QShowEvent *event) override;
-    void enterEvent(QEnterEvent *event) override;
-    void leaveEvent(QEvent *event) override;
     void mouseDoubleClickEvent(QMouseEvent *event) override;
     void wheelEvent(QWheelEvent *event) override;
     void resizeEvent(QResizeEvent *event) override;
@@ -58,7 +55,6 @@ protected slots:
     void closeWindow();
     void updateWidgetsPosition();
     void toggleAvoidResetTransform();
-    void quitAppAction(bool force = false);
     void toggleFullscreen();
     void toggleMaximize();
 
@@ -107,6 +103,7 @@ private:
     NavigatorView *m_nav;
 
     QMenu *m_menu;
+    QVBoxLayout * m_centralLayout = nullptr;
     QFileSystemWatcher *m_fileSystemWatcher;
     BottomButtonGroup *m_bottomButtonGroup;
 };