Add open windows panel

src/core/coreconfig.h

@@ -34,6 +34,7 @@ namespace vnotex
             SnippetDock,
             LocationListDock,
             HistoryDock,
+            WindowsDock,
             TagDock,
             Search,
             NavigationMode,

src/data/core/core.qrc

@@ -86,6 +86,7 @@
         <file>icons/navigation_dock.svg</file>
         <file>icons/history_dock.svg</file>
         <file>icons/outline_dock.svg</file>
+        <file>icons/windows_dock.svg</file>
         <file>icons/search_dock.svg</file>
         <file>icons/snippet_dock.svg</file>
         <file>icons/location_list_dock.svg</file>

src/data/core/icons/windows_dock.svg

@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><svg width="48" height="48" viewBox="0 0 48 48" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="4" y="6" width="40" height="36" rx="3" stroke="#000000" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><path d="M4 14H44" stroke="#000000" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><path d="M20 24H36" stroke="#000000" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><path d="M20 32H36" stroke="#000000" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><path d="M12 24H14" stroke="#000000" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><path d="M12 32H14" stroke="#000000" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/></svg>

src/data/core/vnotex.json

@@ -26,6 +26,7 @@
             "SnippetDock" : "Ctrl+G, S",
             "LocationListDock" : "Ctrl+G, C",
             "HistoryDock" : "",
+            "WindowsDock" : "",
             "TagDock" : "",
             "Search" : "Ctrl+Alt+F",
             "NavigationMode" : "Ctrl+G, W",
@@ -91,7 +92,7 @@
         ],
         "shortcut_leader_key" : "Ctrl+G",
         "toolbar_icon_size" : 18,
-        "docks_tabbar_icon_size" : 18,
+        "docks_tabbar_icon_size" : 20,
         "note_management" : {
             "external_node" : {
                 "//comment" : "Wildcard patterns of files and folders to exclude as external files",
@@ -492,7 +493,7 @@
         "node_explorer_explore_mode" : 0,
         "search_panel_advanced_settings_visible" : true,
         "//comment" : "Docks to ignore when expanding content area of main window",
-        "main_window_keep_docks_expanding_content_area": ["OutlineDock.vnotex"],
+        "main_window_keep_docks_expanding_content_area": ["OutlineDock.vnotex", "WindowsDock.vnotex"],
         "snippet_panel_builtin_snippets_visible" : true,
         "tag_explorer_two_columns_enabled" : false,
         "new_note_default_file_type" : 0,

src/widgets/dockwidgethelper.cpp

@@ -24,6 +24,7 @@
 #include "searchpanel.h"
 #include "snippetpanel.h"
 #include "historypanel.h"
+#include "windowspanel.h"
 #include "tagexplorer.h"
 #include "consoleviewer.h"
 
@@ -71,6 +72,8 @@ QString DockWidgetHelper::iconFileName(DockIndex p_dockIndex)
         return "outline_dock.svg";
     case DockIndex::HistoryDock:
         return "history_dock.svg";
+    case DockIndex::WindowsDock:
+        return "windows_dock.svg";
     case DockIndex::TagDock:
         return "tag_dock.svg";
     case DockIndex::SearchDock:
@@ -116,6 +119,8 @@ void DockWidgetHelper::setupDocks()
 
     setupOutlineDock();
 
+    setupWindowsDock();
+
     setupConsoleDock();
 
     setupLocationListDock();
@@ -155,6 +160,17 @@ void DockWidgetHelper::setupOutlineDock()
     m_mainWindow->addDockWidget(Qt::RightDockWidgetArea, dock);
 }
 
+void DockWidgetHelper::setupWindowsDock()
+{
+    auto dock = createDockWidget(DockIndex::WindowsDock, tr("Open Windows"), m_mainWindow);
+
+    dock->setObjectName(QStringLiteral("WindowsDock.vnotex"));
+    dock->setAllowedAreas(Qt::AllDockWidgetAreas);
+
+    addWidgetToDock(dock, m_mainWindow->m_windowsPanel);
+    m_mainWindow->addDockWidget(Qt::RightDockWidgetArea, dock);
+}
+
 void DockWidgetHelper::setupConsoleDock()
 {
     auto dock = createDockWidget(DockIndex::ConsoleDock, tr("Console"), m_mainWindow);
@@ -304,6 +320,10 @@ void DockWidgetHelper::setupShortcuts()
 
     setupDockActivateShortcut(m_docks[DockIndex::SnippetDock],
                               coreConfig.getShortcut(CoreConfig::Shortcut::SnippetDock));
+
+    setupDockActivateShortcut(m_docks[DockIndex::WindowsDock],
+                              coreConfig.getShortcut(CoreConfig::Shortcut::WindowsDock));
+
 }
 
 void DockWidgetHelper::setupDockActivateShortcut(QDockWidget *p_dock, const QString &p_keys)

src/widgets/dockwidgethelper.h

@@ -29,6 +29,7 @@ namespace vnotex
             SearchDock,
             SnippetDock,
             OutlineDock,
+            WindowsDock,
             ConsoleDock,
             LocationListDock,
             MaxDock
@@ -100,6 +101,8 @@ namespace vnotex
 
         void setupOutlineDock();
 
+        void setupWindowsDock();
+
         void setupConsoleDock();
 
         void setupSearchDock();

src/widgets/listwidget.cpp

@@ -1,6 +1,8 @@
 #include "listwidget.h"
 
 #include <QKeyEvent>
+#include <QApplication>
+#include <QTimer>
 
 #include <core/vnotex.h>
 #include <core/thememgr.h>
@@ -9,20 +11,39 @@
 
 using namespace vnotex;
 
-QBrush ListWidget::s_separatorForeground;
-
-QBrush ListWidget::s_separatorBackground;
-
 ListWidget::ListWidget(QWidget *p_parent)
-    : QListWidget(p_parent)
+    : ListWidget(false, p_parent)
 {
-    initialize();
 }
 
 ListWidget::ListWidget(bool p_enhancedStyle, QWidget *p_parent)
     : QListWidget(p_parent)
 {
-    initialize();
+    m_clickTimer = new QTimer(this);
+    m_clickTimer->setSingleShot(true);
+    connect(m_clickTimer, &QTimer::timeout,
+            this, &ListWidget::handleItemClick);
+
+    connect(this, &QListWidget::itemClicked,
+            this, [this](QListWidgetItem *item) {
+                if (m_isDoubleClick && m_clickedItem == item) {
+                    // There will be a single click right after double click.
+                    m_clickTimer->stop();
+                    handleItemClick();
+                    return;
+                }
+
+                m_isDoubleClick = false;
+                m_clickedItem = item;
+                m_clickTimer->start(QApplication::doubleClickInterval());
+            });
+
+    connect(this, &QListWidget::itemDoubleClicked,
+            this, [this](QListWidgetItem *item) {
+                m_clickTimer->stop();
+                m_isDoubleClick = true;
+                m_clickedItem = item;
+            });
 
     if (p_enhancedStyle) {
         auto delegate = new StyledItemDelegate(QSharedPointer<StyledItemDelegateListWidget>::create(this),
@@ -32,33 +53,31 @@ ListWidget::ListWidget(bool p_enhancedStyle, QWidget *p_parent)
     }
 }
 
-void ListWidget::initialize()
-{
-    static bool initialized = false;
-    if (!initialized) {
-        initialized = true;
-
-        const auto &themeMgr = VNoteX::getInst().getThemeMgr();
-        s_separatorForeground = QColor(themeMgr.paletteColor(QStringLiteral("widgets#styleditemdelegate#separator#fg")));
-        s_separatorBackground = QColor(themeMgr.paletteColor(QStringLiteral("widgets#styleditemdelegate#separator#bg")));
-    }
-}
-
 void ListWidget::keyPressEvent(QKeyEvent *p_event)
 {
     if (WidgetUtils::processKeyEventLikeVi(this, p_event)) {
         return;
     }
 
+    bool activateItem = false;
+    const int key = p_event->key();
+    if (key == Qt::Key_Return || key == Qt::Key_Enter) {
+        activateItem = true;
+    }
     // On Mac OS X, it is `Command+O` to activate an item, instead of Return.
 #if defined(Q_OS_MACOS) || defined(Q_OS_MAC)
-    if (p_event->key() == Qt::Key_Return) {
+    if (key == Qt::Key_O && p_event->modifiers() == Qt::ControlModifier) {
+        activateItem = true;
+    }
+#endif
+
+    if (activateItem) {
         if (auto item = currentItem()) {
             emit itemActivated(item);
+            emit itemActivatedPlus(item, ActivateReason::Button);
         }
         return;
     }
-#endif
 
     QListWidget::keyPressEvent(p_event);
 }
@@ -86,11 +105,31 @@ QVector<QListWidgetItem *> ListWidget::getVisibleItems(const QListWidget *p_widg
     return items;
 }
 
+static const QBrush &separatorForeground()
+{
+    static QBrush fg;
+    if (fg == QBrush()) {
+        const auto &themeMgr = VNoteX::getInst().getThemeMgr();
+        fg = QColor(themeMgr.paletteColor(QStringLiteral("widgets#styleditemdelegate#separator#fg")));
+    }
+    return fg;
+}
+
+static const QBrush &separatorBackground()
+{
+    static QBrush bg;
+    if (bg == QBrush()) {
+        const auto &themeMgr = VNoteX::getInst().getThemeMgr();
+        bg = QColor(themeMgr.paletteColor(QStringLiteral("widgets#styleditemdelegate#separator#bg")));
+    }
+    return bg;
+}
+
 QListWidgetItem *ListWidget::createSeparatorItem(const QString &p_text)
 {
     QListWidgetItem *item = new QListWidgetItem(p_text, nullptr, ItemTypeSeparator);
-    item->setData(Qt::ForegroundRole, s_separatorForeground);
-    item->setData(Qt::BackgroundRole, s_separatorBackground);
+    item->setData(Qt::ForegroundRole, separatorForeground());
+    item->setData(Qt::BackgroundRole, separatorBackground());
     item->setFlags(Qt::NoItemFlags);
     return item;
 }
@@ -124,3 +163,14 @@ void ListWidget::forEachItem(const QListWidget *p_widget, const std::function<bo
         }
     }
 }
+
+void ListWidget::handleItemClick()
+{
+    if (m_clickedItem) {
+        emit itemActivatedPlus(m_clickedItem,
+                               m_isDoubleClick ? ActivateReason::DoubleClick
+                                               : ActivateReason::SingleClick);
+        m_isDoubleClick = false;
+        m_clickedItem = nullptr;
+    }
+}

src/widgets/listwidget.h

@@ -7,12 +7,21 @@
 
 #include <QVector>
 
+class QTimer;
+
 namespace vnotex
 {
     class ListWidget : public QListWidget
     {
         Q_OBJECT
     public:
+        enum ActivateReason
+        {
+            SingleClick = 0,
+            DoubleClick,
+            Button
+        };
+
         explicit ListWidget(QWidget *p_parent = nullptr);
 
         ListWidget(bool p_enhancedStyle, QWidget *p_parent = nullptr);
@@ -28,6 +37,10 @@ namespace vnotex
         // @p_func: return false to abort the iteration.
         static void forEachItem(const QListWidget *p_widget, const std::function<bool(QListWidgetItem *p_item)> &p_func);
 
+    signals:
+        // Item activated not by mouse clicking.
+        void itemActivatedPlus(QListWidgetItem *p_item, ActivateReason p_source);
+
     protected:
         void keyPressEvent(QKeyEvent *p_event) Q_DECL_OVERRIDE;
 
@@ -37,11 +50,13 @@ namespace vnotex
             ItemTypeSeparator = 2000
         };
 
-        void initialize();
+        void handleItemClick();
 
-        static QBrush s_separatorForeground;
+        QTimer *m_clickTimer = nullptr;
 
-        static QBrush s_separatorBackground;
+        QListWidgetItem *m_clickedItem = nullptr;
+
+        bool m_isDoubleClick = false;
     };
 }
 

src/widgets/mainwindow.cpp

@@ -47,6 +47,8 @@
 #include "searchpanel.h"
 #include "snippetpanel.h"
 #include "historypanel.h"
+#include "windowspanel.h"
+#include "windowsprovider.h"
 #include <notebook/notebook.h>
 #include "searchinfoprovider.h"
 #include <vtextedit/spellchecker.h>
@@ -263,6 +265,8 @@ void MainWindow::setupDocks()
 
     setupHistoryPanel();
 
+    setupWindowsPanel();
+
     setupSearchPanel();
 
     setupSnippetPanel();
@@ -304,6 +308,12 @@ void MainWindow::setupHistoryPanel()
     m_historyPanel->setObjectName("HistoryPanel.vnotex");
 }
 
+void MainWindow::setupWindowsPanel()
+{
+    m_windowsPanel = new WindowsPanel(QSharedPointer<WindowsProvider>::create(m_viewArea), this);
+    m_windowsPanel->setObjectName("WindowsPanel.vnotex");
+}
+
 void MainWindow::setupLocationList()
 {
     m_locationList = new LocationList(this);

src/widgets/mainwindow.h

@@ -27,6 +27,7 @@ namespace vnotex
     class SearchPanel;
     class SnippetPanel;
     class HistoryPanel;
+    class WindowsPanel;
     class ExportDialog;
     class ConsoleViewer;
 
@@ -121,6 +122,8 @@ namespace vnotex
 
         void setupHistoryPanel();
 
+        void setupWindowsPanel();
+
         void setupNotebookExplorer();
 
         void setupTagExplorer();
@@ -182,6 +185,8 @@ namespace vnotex
 
         HistoryPanel *m_historyPanel = nullptr;
 
+        WindowsPanel *m_windowsPanel = nullptr;
+
         ExportDialog *m_exportDialog = nullptr;
 
         QSystemTrayIcon *m_trayIcon = nullptr;

src/widgets/viewarea.cpp

@@ -240,14 +240,17 @@ ViewSplit *ViewArea::createViewSplit(QWidget *p_parent, ID p_viewSplitId)
     connect(split, &ViewSplit::viewWindowCloseRequested,
             this, [this](ViewWindow *p_win) {
                 closeViewWindow(p_win, false, true);
+                emit windowsChanged();
             });
     connect(split, &ViewSplit::verticalSplitRequested,
             this, [this](ViewSplit *p_split) {
                 splitViewSplit(p_split, SplitType::Vertical);
+                emit windowsChanged();
             });
     connect(split, &ViewSplit::horizontalSplitRequested,
             this, [this](ViewSplit *p_split) {
                 splitViewSplit(p_split, SplitType::Horizontal);
+                emit windowsChanged();
             });
     connect(split, &ViewSplit::maximizeSplitRequested,
             this, &ViewArea::maximizeViewSplit);
@@ -256,16 +259,22 @@ ViewSplit *ViewArea::createViewSplit(QWidget *p_parent, ID p_viewSplitId)
     connect(split, &ViewSplit::removeSplitRequested,
             this, [this](ViewSplit *p_split) {
                 removeViewSplit(p_split, false);
+                emit windowsChanged();
             });
     connect(split, &ViewSplit::removeSplitAndWorkspaceRequested,
             this, [this](ViewSplit *p_split) {
                 removeViewSplit(p_split, true);
+                emit windowsChanged();
             });
     connect(split, &ViewSplit::newWorkspaceRequested,
-            this, &ViewArea::newWorkspaceInViewSplit);
+            this, [this](ViewSplit *p_split) {
+                newWorkspaceInViewSplit(p_split);
+                emit windowsChanged();
+            });
     connect(split, &ViewSplit::removeWorkspaceRequested,
             this, [this](ViewSplit *p_split) {
                 removeWorkspaceInViewSplit(p_split, true);
+                emit windowsChanged();
             });
     connect(split, &ViewSplit::focused,
             this, [this](ViewSplit *p_split) {
@@ -287,9 +296,13 @@ ViewSplit *ViewArea::createViewSplit(QWidget *p_parent, ID p_viewSplitId)
                         p_win->setStatusWidgetVisible(true);
                     }
                 }
+                emit windowsChanged();
             });
     connect(split, &ViewSplit::moveViewWindowOneSplitRequested,
-            this, &ViewArea::moveViewWindowOneSplit);
+            this, [this](ViewSplit *p_split, ViewWindow *p_win, Direction p_direction) {
+                moveViewWindowOneSplit(p_split, p_win, p_direction);
+                emit windowsChanged();
+            });
     return split;
 }
 
@@ -712,7 +725,7 @@ bool ViewArea::removeWorkspaceInViewSplit(ViewSplit *p_split, bool p_insertNew)
 {
     // Close all the ViewWindows.
     setCurrentViewSplit(p_split, true);
-    auto wins = getAllViewWindows(p_split);
+    auto wins = p_split->getAllViewWindows();
     for (const auto win : wins) {
         if (!closeViewWindow(win, false, false)) {
             return false;
@@ -1154,11 +1167,9 @@ QVector<ViewWindow *> ViewArea::getAllViewWindows(ViewSplit *p_split, const View
     return wins;
 }
 
-QVector<ViewWindow *> ViewArea::getAllViewWindows(ViewSplit *p_split) const
+const QVector<ViewSplit *>& ViewArea::getAllViewSplits() const
 {
-   return getAllViewWindows(p_split, [](ViewWindow *) {
-              return true;
-          });
+    return m_splits;
 }
 
 QList<Buffer *> ViewArea::getAllBuffersInViewSplits() const
@@ -1166,7 +1177,7 @@ QList<Buffer *> ViewArea::getAllBuffersInViewSplits() const
     QSet<Buffer *> bufferSet;
 
     for (auto split : m_splits) {
-        auto wins = getAllViewWindows(split);
+        auto wins = split->getAllViewWindows();
         for (auto win : wins) {
             bufferSet.insert(win->getBuffer());
         }
@@ -1542,3 +1553,23 @@ void ViewArea::closeFile(const QString &p_filePath, const QSharedPointer<Event>
     p_event->m_response = done;
     p_event->m_handled = !done;
 }
+
+void ViewArea::setCurrentViewWindow(ID p_splitId, int p_windowIndex)
+{
+    auto split = findSplitById(p_splitId);
+    if (split) {
+        setCurrentViewSplit(split, true);
+        split->setCurrentViewWindow(p_windowIndex);
+    }
+}
+
+ViewSplit *ViewArea::findSplitById(ID p_splitId) const
+{
+    for (auto split : m_splits) {
+        if (split->getId() == p_splitId) {
+            return split;
+        }
+    }
+
+    return nullptr;
+}

src/widgets/viewarea.h

@@ -74,6 +74,10 @@ namespace vnotex
 
         ViewWindow *getCurrentViewWindow() const;
 
+        const QVector<ViewSplit *>& getAllViewSplits() const;
+
+        void setCurrentViewWindow(ID p_splitId, int p_windowIndex);
+
     public slots:
         void openBuffer(Buffer *p_buffer, const QSharedPointer<FileOpenParameters> &p_paras);
 
@@ -103,7 +107,7 @@ namespace vnotex
         // MainWindow should set the corresponding status widget accordingly.
         void statusWidgetChanged(QWidget *p_widget);
 
-        // Count of ViewSplit is chagned.
+        // Count of ViewSplit is changed.
         // Used internally.
         void viewSplitsCountChanged();
 
@@ -112,6 +116,10 @@ namespace vnotex
         // State of current view window has update.
         void currentViewWindowUpdated();
 
+        // ViewWindow reordered/added/removed/updated.
+        // ViewSplit added/removed/updated.
+        void windowsChanged();
+
     private slots:
         // Return true if @p_win is closed.
         // @p_removeSplitIfEmpty: whether remove the workspace and split if @p_win is that only ViewWindow left.
@@ -212,8 +220,6 @@ namespace vnotex
 
         QVector<ViewWindow *> getAllViewWindows(ViewSplit *p_split, const ViewSplit::ViewWindowSelector &p_func) const;
 
-        QVector<ViewWindow *> getAllViewWindows(ViewSplit *p_split) const;
-
         void takeSnapshot(ViewAreaSession &p_session) const;
 
         void postFirstViewSplit();
@@ -226,6 +232,8 @@ namespace vnotex
 
         ViewSplit *findSplitByDirection(ViewSplit *p_split, Direction p_direction);
 
+        ViewSplit *findSplitById(ID p_splitId) const;
+
         SplitType checkSplitType(const QSplitter *p_splitter) const;
 
         void flashViewSplit(ViewSplit *p_split);

src/widgets/viewsplit.cpp

@@ -124,7 +124,7 @@ void ViewSplit::setupCornerWidget()
         m_windowListButton->setPopupMode(QToolButton::InstantPopup);
         m_windowListButton->setProperty(PropertyDefs::c_actionToolButton, true);
 
-        auto act = new QAction(s_windowListIcon, tr("Windows List"), m_windowListButton);
+        auto act = new QAction(s_windowListIcon, tr("Open Windows"), m_windowListButton);
         m_windowListButton->setDefaultAction(act);
 
         auto menu = WidgetsFactory::createMenu(m_windowListButton);
@@ -315,6 +315,18 @@ ViewWindow *ViewSplit::getViewWindow(int p_idx) const
     return dynamic_cast<ViewWindow *>(widget(p_idx));
 }
 
+QVector<ViewWindow *> ViewSplit::getAllViewWindows() const
+{
+    QVector<ViewWindow *> wins;
+    int cnt = getViewWindowCount();
+    for (int i = 0; i < cnt; ++i) {
+        auto win = getViewWindow(i);
+        wins.push_back(win);
+    }
+
+    return wins;
+}
+
 int ViewSplit::getViewWindowCount() const
 {
     return count();

src/widgets/viewsplit.h

@@ -49,6 +49,8 @@ namespace vnotex
 
         void setCurrentViewWindow(int p_idx);
 
+        QVector<ViewWindow *> getAllViewWindows() const;
+
         // @p_win is not deleted.
         void takeViewWindow(ViewWindow *p_win);
 

src/widgets/widgets.pri

@@ -124,7 +124,9 @@ SOURCES += \
     $$PWD/dialogs/deleteconfirmdialog.cpp \
     $$PWD/dialogs/importfolderutils.cpp \
     $$PWD/titletoolbar.cpp \
-    $$PWD/viewarea.cpp
+    $$PWD/viewarea.cpp \
+    $$PWD/windowspanel.cpp \
+    $$PWD/windowsprovider.cpp
 
 HEADERS += \
     $$PWD/attachmentdragdropareaindicator.h \
@@ -256,4 +258,6 @@ HEADERS += \
     $$PWD/statusbarhelper.h \
     $$PWD/dialogs/deleteconfirmdialog.h \
     $$PWD/titletoolbar.h \
-    $$PWD/viewarea.h
+    $$PWD/viewarea.h \
+    $$PWD/windowspanel.h \
+    $$PWD/windowsprovider.h

src/widgets/windowspanel.cpp

@@ -0,0 +1,88 @@
+#include "windowspanel.h"
+
+#include <QVBoxLayout>
+#include <QListWidgetItem>
+
+#include <utils/widgetutils.h>
+
+#include "windowsprovider.h"
+#include "listwidget.h"
+#include "navigationmodemgr.h"
+
+using namespace vnotex;
+
+WindowsPanel::WindowsPanel(const QSharedPointer<WindowsProvider> &p_provider, QWidget *p_parent)
+    : QFrame(p_parent),
+      m_provider(p_provider)
+{
+    Q_ASSERT(m_provider);
+    setupUI();
+
+    connect(m_provider.data(), &WindowsProvider::windowsChanged,
+            this, &WindowsPanel::updateWindowsList);
+}
+
+void WindowsPanel::setupUI()
+{
+    auto mainLayout = new QVBoxLayout(this);
+    WidgetUtils::setContentsMargins(mainLayout);
+
+    m_windows = new ListWidget(true, this);
+    mainLayout->addWidget(m_windows);
+
+    connect(m_windows, &ListWidget::itemActivatedPlus,
+            this, [this](QListWidgetItem *item, ListWidget::ActivateReason reason) {
+                if (reason == ListWidget::ActivateReason::Button) {
+                    activateItem(item);
+                }
+            });
+    connect(m_windows, &QListWidget::itemClicked,
+            this, [this](QListWidgetItem *item) {
+                // It is fine to trigger multiple times.
+                activateItem(item);
+            });
+
+    m_navigationWrapper.reset(new NavigationModeWrapper<QListWidget, QListWidgetItem>(m_windows));
+    NavigationModeMgr::getInst().registerNavigationTarget(m_navigationWrapper.data());
+
+    setFocusProxy(m_windows);
+}
+
+void WindowsPanel::updateWindowsList()
+{
+    m_windows->clear();
+    if (!isVisible()) {
+        return;
+    }
+
+    const auto wins = m_provider->getWindows();
+    for (const auto &splitWins : wins) {
+        for (const auto &win : splitWins.m_viewWindows) {
+            addItem(splitWins.m_viewSplitId, win);
+        }
+    }
+}
+
+void WindowsPanel::addItem(ID p_viewSplitId, const WindowsProvider::WindowData &p_data)
+{
+    auto item = new QListWidgetItem(m_windows);
+
+    item->setText(p_data.m_name);
+    item->setToolTip(p_data.m_name);
+    item->setData(Qt::UserRole, p_viewSplitId);
+    item->setData(Role::UserRole2, p_data.m_index);
+}
+
+void WindowsPanel::showEvent(QShowEvent *p_event)
+{
+    QFrame::showEvent(p_event);
+
+    updateWindowsList();
+}
+
+void WindowsPanel::activateItem(QListWidgetItem *p_item)
+{
+    Q_ASSERT(p_item);
+    m_provider->setCurrentWindow(p_item->data(Qt::UserRole).toULongLong(),
+                                 p_item->data(Role::UserRole2).toInt());
+}

src/widgets/windowspanel.h

@@ -0,0 +1,43 @@
+#ifndef WINDOWSPANEL_H
+#define WINDOWSPANEL_H
+
+#include <QFrame>
+#include <QSharedPointer>
+#include <QScopedPointer>
+
+#include "navigationmodewrapper.h"
+#include "windowsprovider.h"
+
+class QListWidgetItem;
+
+namespace vnotex
+{
+    class ListWidget;
+
+    class WindowsPanel : public QFrame
+    {
+        Q_OBJECT
+    public:
+        WindowsPanel(const QSharedPointer<WindowsProvider> &p_provider, QWidget *p_parent = nullptr);
+
+    protected:
+    void showEvent(QShowEvent *p_event) Q_DECL_OVERRIDE;
+
+    private:
+        void setupUI();
+
+        void updateWindowsList();
+
+        void addItem(ID p_viewSplitId, const WindowsProvider::WindowData &p_data);
+
+        void activateItem(QListWidgetItem *p_item);
+
+        QSharedPointer<WindowsProvider> m_provider;
+
+        ListWidget *m_windows = nullptr;
+
+        QScopedPointer<NavigationModeWrapper<QListWidget, QListWidgetItem>> m_navigationWrapper;
+    };
+}
+
+#endif // WINDOWSPANEL_H

src/widgets/windowsprovider.cpp

@@ -0,0 +1,46 @@
+#include "windowsprovider.h"
+
+#include "viewarea.h"
+#include "viewsplit.h"
+#include "viewwindow.h"
+
+using namespace vnotex;
+
+WindowsProvider::WindowsProvider(ViewArea *p_viewArea)
+    : QObject(nullptr),
+      m_viewArea(p_viewArea)
+{
+    Q_ASSERT(m_viewArea);
+    connect(m_viewArea, &ViewArea::windowsChanged,
+            this, &WindowsProvider::windowsChanged);
+}
+
+QVector<WindowsProvider::ViewSplitWindows> WindowsProvider::getWindows() const
+{
+    QVector<WindowsProvider::ViewSplitWindows> windows;
+
+    const auto& splits = m_viewArea->getAllViewSplits();
+    for (auto split : splits) {
+        auto wins = split->getAllViewWindows();
+        if (wins.empty()) {
+            continue;
+        }
+
+        windows.push_back(ViewSplitWindows());
+        auto& tmp = windows.back();
+        tmp.m_viewSplitId = split->getId();
+        for (int idx = 0; idx < wins.size(); ++idx) {
+            WindowData data;
+            data.m_index = idx;
+            data.m_name = wins[idx]->getName();
+            tmp.m_viewWindows.push_back(data);
+        }
+    }
+
+    return windows;
+}
+
+void WindowsProvider::setCurrentWindow(ID p_viewSplitId, int p_windowIndex)
+{
+    m_viewArea->setCurrentViewWindow(p_viewSplitId, p_windowIndex);
+}

src/widgets/windowsprovider.h

@@ -0,0 +1,46 @@
+#ifndef WINDOWSPROVIDER_H
+#define WINDOWSPROVIDER_H
+
+#include <QObject>
+
+#include <QVector>
+
+#include <core/global.h>
+
+namespace vnotex
+{
+    class ViewArea;
+
+    class WindowsProvider : public QObject
+    {
+        Q_OBJECT
+    public:
+        struct WindowData
+        {
+            int m_index = -1;
+
+            QString m_name;
+        };
+
+        struct ViewSplitWindows
+        {
+            ID m_viewSplitId = 0;
+
+            QVector<WindowData> m_viewWindows;
+        };
+
+        explicit WindowsProvider(ViewArea *p_viewArea);
+
+        QVector<ViewSplitWindows> getWindows() const;
+
+        void setCurrentWindow(ID p_viewSplitId, int p_windowIndex);
+
+    signals:
+        void windowsChanged();
+
+    private:
+        ViewArea *m_viewArea = nullptr;
+    };
+}
+
+#endif // WINDOWSPROVIDER_H