Multi screen support

CMakeLists.txt

@@ -36,6 +36,7 @@ add_executable(cutefish-filemanager
   widgets/rubberband.cpp
   widgets/itemviewadapter.cpp
 
+  desktop/desktop.cpp
   desktop/desktopview.cpp
   desktop/desktopsettings.cpp
 

desktop/desktop.cpp

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2021 CutefishOS Team.
+ *
+ * Author:     Reion Wong <reionwong@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "desktop.h"
+#include <QGuiApplication>
+
+Desktop::Desktop(QObject *parent)
+    : QObject(parent)
+{
+    for (QScreen *screen : QGuiApplication::screens()) {
+        screenAdded(screen);
+    }
+
+    connect(qApp, &QGuiApplication::screenAdded, this, &Desktop::screenAdded);
+    connect(qApp, &QGuiApplication::screenRemoved, this, &Desktop::screenRemoved);
+}
+
+void Desktop::screenAdded(QScreen *screen)
+{
+    if (!m_list.contains(screen)) {
+        DesktopView *view = new DesktopView(screen);
+        view->show();
+        m_list.insert(screen, view);
+    }
+}
+
+void Desktop::screenRemoved(QScreen *screen)
+{
+    if (m_list.contains(screen)) {
+        DesktopView *view = m_list.find(screen).value();
+        view->setVisible(false);
+        view->deleteLater();
+        m_list.remove(screen);
+    }
+}

desktop/desktop.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2021 CutefishOS Team.
+ *
+ * Author:     Reion Wong <reionwong@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef DESKTOP_H
+#define DESKTOP_H
+
+#include <QObject>
+#include <QScreen>
+
+#include "desktopview.h"
+
+class Desktop : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit Desktop(QObject *parent = nullptr);
+
+private slots:
+    void screenAdded(QScreen *qscreen);
+    void screenRemoved(QScreen *qscreen);
+
+private:
+    QMap<QScreen *, DesktopView *> m_list;
+};
+
+#endif // DESKTOP_H

desktop/desktopview.cpp

@@ -24,16 +24,19 @@
 #include <QQmlContext>
 
 #include <QDebug>
-#include <QApplication>
+#include <QGuiApplication>
 #include <QScreen>
 
 #include <KWindowSystem>
 
-DesktopView::DesktopView(QQuickView *parent)
+DesktopView::DesktopView(QScreen *screen, QQuickView *parent)
     : QQuickView(parent)
+    , m_screen(screen)
 {
-    m_screenRect = qApp->primaryScreen()->geometry();
-    m_screenAvailableRect = qApp->primaryScreen()->availableVirtualGeometry();
+    m_screenRect = m_screen->geometry();
+    m_screenAvailableRect = m_screen->availableVirtualGeometry();
+
+    qDebug() << screen->name() << m_screenAvailableRect;
 
     KWindowSystem::setType(winId(), NET::Desktop);
     KWindowSystem::setState(winId(), NET::KeepBelow);
@@ -42,16 +45,19 @@ DesktopView::DesktopView(QQuickView *parent)
     engine()->addImageProvider("thumbnailer", new ThumbnailProvider());
 
     setTitle(tr("Desktop"));
-    setScreen(qApp->primaryScreen());
+    setScreen(m_screen);
     setResizeMode(QQuickView::SizeRootObjectToView);
-    setSource(QStringLiteral("qrc:/qml/Desktop/Main.qml"));
 
     onGeometryChanged();
+    onPrimaryScreenChanged(QGuiApplication::primaryScreen());
 
-    connect(qApp->primaryScreen(), &QScreen::virtualGeometryChanged, this, &DesktopView::onGeometryChanged);
-    connect(qApp->primaryScreen(), &QScreen::geometryChanged, this, &DesktopView::onGeometryChanged);
-    connect(qApp->primaryScreen(), &QScreen::availableGeometryChanged, this, &DesktopView::onAvailableGeometryChanged);
-    connect(qApp->primaryScreen(), &QScreen::virtualGeometryChanged, this, &DesktopView::onAvailableGeometryChanged);
+    // 主屏改变
+    connect(qGuiApp, &QGuiApplication::primaryScreenChanged, this, &DesktopView::onPrimaryScreenChanged);
+
+    connect(m_screen, &QScreen::virtualGeometryChanged, this, &DesktopView::onGeometryChanged);
+    connect(m_screen, &QScreen::geometryChanged, this, &DesktopView::onGeometryChanged);
+    connect(m_screen, &QScreen::availableGeometryChanged, this, &DesktopView::onAvailableGeometryChanged);
+    connect(m_screen, &QScreen::virtualGeometryChanged, this, &DesktopView::onAvailableGeometryChanged);
 }
 
 QRect DesktopView::screenRect()
@@ -64,9 +70,17 @@ QRect DesktopView::screenAvailableRect()
     return m_screenAvailableRect;
 }
 
+void DesktopView::onPrimaryScreenChanged(QScreen *screen)
+{
+    bool isPrimaryScreen = m_screen->name() == screen->name();
+
+    setSource(isPrimaryScreen ? QStringLiteral("qrc:/qml/Desktop/Main.qml")
+                              : QStringLiteral("qrc:/qml/Desktop/Wallpaper.qml"));
+}
+
 void DesktopView::onGeometryChanged()
 {
-    m_screenRect = qApp->primaryScreen()->geometry().adjusted(0, 0, 1, 1);
+    m_screenRect = m_screen->geometry().adjusted(0, 0, 1, 1);
     setGeometry(m_screenRect);
     emit screenRectChanged();
 }
@@ -75,6 +89,6 @@ void DesktopView::onAvailableGeometryChanged(const QRect &geometry)
 {
     Q_UNUSED(geometry);
 
-    m_screenAvailableRect = qApp->primaryScreen()->availableVirtualGeometry();
+    m_screenAvailableRect = m_screen->availableVirtualGeometry();
     emit screenAvailableGeometryChanged();
 }

desktop/desktopview.h

@@ -21,6 +21,7 @@
 #define DESKTOPVIEW_H
 
 #include <QQuickView>
+#include <QScreen>
 
 class DesktopView : public QQuickView
 {
@@ -29,7 +30,7 @@ class DesktopView : public QQuickView
     Q_PROPERTY(QRect screenAvailableRect READ screenAvailableRect NOTIFY screenAvailableGeometryChanged)
 
 public:
-    explicit DesktopView(QQuickView *parent = nullptr);
+    explicit DesktopView(QScreen *screen = nullptr, QQuickView *parent = nullptr);
 
     QRect screenRect();
     QRect screenAvailableRect();
@@ -39,10 +40,12 @@ signals:
     void screenAvailableGeometryChanged();
 
 private slots:
+    void onPrimaryScreenChanged(QScreen *screen);
     void onGeometryChanged();
     void onAvailableGeometryChanged(const QRect &geometry);
 
 private:
+    QScreen *m_screen;
     QRect m_screenRect;
     QRect m_screenAvailableRect;
 };

main.cpp

@@ -31,6 +31,7 @@
 #include "model/positioner.h"
 #include "widgets/rubberband.h"
 #include "widgets/itemviewadapter.h"
+#include "desktop/desktop.h"
 #include "desktop/desktopsettings.h"
 #include "desktop/desktopview.h"
 #include "helper/datehelper.h"
@@ -94,8 +95,7 @@ int main(int argc, char *argv[])
 
     if (parser.isSet(desktopOption)) {
         app.setApplicationName("cutefish-desktop");
-        DesktopView view;
-        view.show();
+        Desktop desktop;
         return app.exec();
     } else if (parser.isSet(emptyTrashOption)) {
         // Empty Dialog

model/foldermodel.cpp

@@ -32,6 +32,8 @@
 #include "../helper/datehelper.h"
 #include "../helper/filelauncher.h"
 
+#include "../cio/cfilesizejob.h"
+
 // Qt
 #include <QSet>
 #include <QDir>
@@ -79,10 +81,12 @@ FolderModel::FolderModel(QObject *parent)
     , m_filterPatternMatchAll(true)
     , m_complete(false)
     , m_isDesktop(false)
+    , m_selectedItemSize("")
     , m_actionCollection(this)
     , m_dragInProgress(false)
     , m_viewAdapter(nullptr)
     , m_mimeAppManager(MimeAppManager::self())
+    , m_sizeJob(nullptr)
 {
     DirLister *dirLister = new DirLister(this);
     dirLister->setDelayedMimeTypes(true);
@@ -1100,6 +1104,10 @@ void FolderModel::openDeleteDialog()
     view->show();
 }
 
+void FolderModel::updateSelectedItemsSize()
+{
+}
+
 void FolderModel::restoreFromTrash()
 {
     if (!m_selectionModel->hasSelection())
@@ -1134,6 +1142,35 @@ void FolderModel::selectionChanged(const QItemSelection &selected, const QItemSe
         }
     }
 
+    if (m_sizeJob == nullptr) {
+        m_sizeJob = new CFileSizeJob;
+
+        connect(m_sizeJob, &CFileSizeJob::sizeChanged, this, [=] {
+            m_selectedItemSize = KIO::convertSize(m_sizeJob->totalSize());
+            if (!m_selectionModel->hasSelection())
+                m_selectedItemSize = "";
+            emit selectedItemSizeChanged();
+        });
+
+        connect(m_sizeJob, &CFileSizeJob::result, this, [=] {
+            m_selectedItemSize = KIO::convertSize(m_sizeJob->totalSize());
+            if (!m_selectionModel->hasSelection())
+                m_selectedItemSize = "";
+            emit selectedItemSizeChanged();
+        });
+    }
+
+    m_sizeJob->stop();
+
+    if (!m_selectionModel->hasSelection()) {
+        m_sizeJob->blockSignals(true);
+        m_selectedItemSize = "";
+        emit selectedItemSizeChanged();
+    } else {
+        m_sizeJob->blockSignals(false);
+        m_sizeJob->start(selectedUrls());
+    }
+
     updateActions();
 
     emit selectionCountChanged();
@@ -1246,6 +1283,11 @@ bool FolderModel::matchPattern(const KFileItem &item) const
     return false;
 }
 
+QString FolderModel::selectedItemSize() const
+{
+    return m_selectedItemSize;
+}
+
 bool FolderModel::isDesktop() const
 {
     return m_isDesktop;

model/foldermodel.h

@@ -41,6 +41,7 @@
 #include <KActionCollection>
 
 class QDrag;
+class CFileSizeJob;
 class FolderModel : public QSortFilterProxyModel, public QQmlParserStatus
 {
     Q_OBJECT
@@ -57,6 +58,7 @@ class FolderModel : public QSortFilterProxyModel, public QQmlParserStatus
     Q_PROPERTY(QString filterPattern READ filterPattern WRITE setFilterPattern NOTIFY filterPatternChanged)
     Q_PROPERTY(int count READ count NOTIFY countChanged)
     Q_PROPERTY(QStringList filterMimeTypes READ filterMimeTypes WRITE setFilterMimeTypes NOTIFY filterMimeTypesChanged)
+    Q_PROPERTY(QString selectedItemSize READ selectedItemSize NOTIFY selectedItemSizeChanged)
 
 public:
     enum DataRole {
@@ -198,11 +200,15 @@ public:
     Q_INVOKABLE void openChangeWallpaperDialog();
     Q_INVOKABLE void openDeleteDialog();
 
+    Q_INVOKABLE void updateSelectedItemsSize();
+
     void restoreFromTrash();
 
     bool isDesktop() const;
     void setIsDesktop(bool isDesktop);
 
+    QString selectedItemSize() const;
+
 signals:
     void urlChanged();
     void resolvedUrlChanged();
@@ -219,6 +225,7 @@ signals:
     void countChanged();
     void filterPatternChanged();
     void filterMimeTypesChanged();
+    void selectedItemSizeChanged();
 
     void notification(const QString &message);
 
@@ -263,6 +270,8 @@ private:
     bool m_isDesktop;
     bool m_suffixVisible;
 
+    QString m_selectedItemSize;
+
     KActionCollection m_actionCollection;
     QHash<int, DragImage *> m_dragImages;
     QModelIndexList m_dragIndexes;
@@ -274,6 +283,8 @@ private:
     // Save path history
     PathHistory m_pathHistory;
     MimeAppManager *m_mimeAppManager;
+
+    CFileSizeJob *m_sizeJob;
 };
 
 #endif // FOLDERMODEL_H

qml.qrc

@@ -59,5 +59,6 @@
         <file>images/light/drive-optical.svg</file>
         <file>qml/Dialogs/OpenWithDialog.qml</file>
         <file>qml/Dialogs/DeleteDialog.qml</file>
+        <file>qml/Desktop/Wallpaper.qml</file>
     </qresource>
 </RCC>

qml/Desktop/Main.qml

@@ -30,56 +30,12 @@ import "../"
 Item {
     id: rootItem
 
-    FM.DesktopSettings {
-        id: settings
-    }
-
     GlobalSettings {
         id: globalSettings
     }
 
-    Loader {
-        id: backgroundLoader
+    Wallpaper {
         anchors.fill: parent
-        anchors.margins: 0
-        sourceComponent: settings.backgroundType === 0 ? wallpaper : background
-    }
-
-    Component {
-        id: background
-
-        Rectangle {
-            anchors.fill: parent
-            color: settings.backgroundColor
-        }
-    }
-
-    Component {
-        id: wallpaper
-
-        Image {
-            source: "file://" + settings.wallpaper
-            sourceSize: Qt.size(width * Screen.devicePixelRatio,
-                                height * Screen.devicePixelRatio)
-            fillMode: Image.PreserveAspectCrop
-            clip: true
-            cache: false
-
-            ColorOverlay {
-                id: dimsWallpaper
-                anchors.fill: parent
-                source: parent
-                color: "#000000"
-                opacity: FishUI.Theme.darkMode && settings.dimsWallpaper ? 0.4 : 0.0
-
-                Behavior on opacity {
-                    NumberAnimation {
-                        duration: 200
-                    }
-                }
-
-            }
-        }
     }
 
     FM.FolderModel {

qml/Desktop/Wallpaper.qml

@@ -0,0 +1,60 @@
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+import QtQuick.Layouts 1.12
+import QtQuick.Window 2.12
+import QtGraphicalEffects 1.0
+
+import Cutefish.FileManager 1.0 as FM
+import FishUI 1.0 as FishUI
+
+Item {
+    id: control
+
+    FM.DesktopSettings {
+        id: settings
+    }
+
+    Loader {
+        id: backgroundLoader
+        anchors.fill: parent
+        anchors.margins: 0
+        sourceComponent: settings.backgroundType === 0 ? wallpaper : background
+    }
+
+    Component {
+        id: background
+
+        Rectangle {
+            anchors.fill: parent
+            color: settings.backgroundColor
+        }
+    }
+
+    Component {
+        id: wallpaper
+
+        Image {
+            source: "file://" + settings.wallpaper
+            sourceSize: Qt.size(width * Screen.devicePixelRatio,
+                                height * Screen.devicePixelRatio)
+            fillMode: Image.PreserveAspectCrop
+            clip: true
+            cache: false
+
+            ColorOverlay {
+                id: dimsWallpaper
+                anchors.fill: parent
+                source: parent
+                color: "#000000"
+                opacity: FishUI.Theme.darkMode && settings.dimsWallpaper ? 0.4 : 0.0
+
+                Behavior on opacity {
+                    NumberAnimation {
+                        duration: 200
+                    }
+                }
+
+            }
+        }
+    }
+}

qml/FolderGridView.qml

@@ -64,7 +64,7 @@ GridView {
 
     signal keyPress(var event)
 
-    cacheBuffer: Math.max(0, contentHeight)
+    cacheBuffer: Math.max(0, control.height * 1.5)
 
     onIconSizeChanged: {
         // 图标大小改变时需要重置状态，否则选中定位不准确
@@ -461,6 +461,8 @@ GridView {
                 dirModel.setSelected(pressedItem.index)
             }
 
+            dirModel.updateSelectedItemsSize()
+
             pressCanceled()
         }
 

qml/FolderListView.qml

@@ -53,6 +53,7 @@ ListView {
 
     currentIndex: -1
     clip: true
+    cacheBuffer: width
 
     ScrollBar.vertical: ScrollBar { }
     boundsBehavior: Flickable.StopAtBounds

qml/FolderPage.qml

@@ -249,6 +249,10 @@ Item {
                 visible: dirModel.selectionCount >= 1
             }
 
+            Label {
+                text: dirModel.selectedItemSize
+            }
+
             Item {
                 Layout.fillWidth: true
             }