VerticalTabs: Handle Ctrl+Tab switching tabs in tree order

src/plugins/VerticalTabs/tablistview.cpp

@@ -83,10 +83,9 @@ void TabListView::adjustStyleOption(QStyleOptionViewItem *option)
     } else if (model()->rowCount() == 1) {
         option->viewItemPosition = QStyleOptionViewItem::OnlyOne;
     } else {
-        const QRect rect = visualRect(index);
-        if (!indexAt(QPoint(rect.x() - rect.width() / 2, rect.y())).isValid()) {
+        if (!indexBefore(index).isValid()) {
             option->viewItemPosition = QStyleOptionViewItem::Beginning;
-        } else if (!indexAt(QPoint(rect.x() + rect.width() / 2, rect.y())).isValid()) {
+        } else if (!indexAfter(index).isValid()) {
             option->viewItemPosition = QStyleOptionViewItem::End;
         } else {
             option->viewItemPosition = QStyleOptionViewItem::Middle;
@@ -94,6 +93,24 @@ void TabListView::adjustStyleOption(QStyleOptionViewItem *option)
     }
 }
 
+QModelIndex TabListView::indexAfter(const QModelIndex &index) const
+{
+    if (!index.isValid()) {
+        return QModelIndex();
+    }
+    const QRect rect = visualRect(index);
+    return indexAt(QPoint(rect.right() + rect.width() / 2, rect.y()));
+}
+
+QModelIndex TabListView::indexBefore(const QModelIndex &index) const
+{
+    if (!index.isValid()) {
+        return QModelIndex();
+    }
+    const QRect rect = visualRect(index);
+    return indexAt(QPoint(rect.left() - rect.width() / 2, rect.y()));
+}
+
 void TabListView::currentChanged(const QModelIndex &current, const QModelIndex &previous)
 {
     if (current.data(TabModel::CurrentTabRole).toBool()) {

src/plugins/VerticalTabs/tablistview.h

@@ -34,6 +34,9 @@ public:
     void updateIndex(const QModelIndex &index);
     void adjustStyleOption(QStyleOptionViewItem *option);
 
+    QModelIndex indexAfter(const QModelIndex &index) const;
+    QModelIndex indexBefore(const QModelIndex &index) const;
+
 private:
     void currentChanged(const QModelIndex &current, const QModelIndex &previous) override;
     void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles = QVector<int>()) override;

src/plugins/VerticalTabs/verticaltabscontroller.cpp

@@ -19,7 +19,10 @@
 #include "verticaltabsplugin.h"
 #include "verticaltabswidget.h"
 
+#include "tabwidget.h"
+
 #include <QAction>
+#include <QKeyEvent>
 
 VerticalTabsController::VerticalTabsController(VerticalTabsPlugin *plugin)
     : SideBarInterface(plugin)
@@ -47,5 +50,24 @@ QWidget *VerticalTabsController::createSideBarWidget(BrowserWindow *window)
     connect(m_plugin, &VerticalTabsPlugin::viewTypeChanged, widget, &VerticalTabsWidget::setViewType);
     connect(m_plugin, &VerticalTabsPlugin::styleSheetChanged, widget, &VerticalTabsWidget::setStyleSheet);
 
+    m_widgets[window] = widget;
     return widget;
 }
+
+bool VerticalTabsController::handleKeyPress(QKeyEvent *event, TabWidget *tabWidget)
+{
+    if (event->key() == Qt::Key_Tab && event->modifiers() == Qt::ControlModifier) {
+        VerticalTabsWidget *widget = m_widgets.value(tabWidget->browserWindow());
+        if (widget) {
+            widget->switchToNextTab();
+            return true;
+        }
+    } else if (event->key() == Qt::Key_Backtab && event->modifiers() == (Qt::ShiftModifier | Qt::ControlModifier)) {
+        VerticalTabsWidget *widget = m_widgets.value(tabWidget->browserWindow());
+        if (widget) {
+            widget->switchToPreviousTab();
+            return true;
+        }
+    }
+    return false;
+}

src/plugins/VerticalTabs/verticaltabscontroller.h

@@ -17,9 +17,17 @@
 * ============================================================ */
 #pragma once
 
+#include <QHash>
+#include <QPointer>
+
 #include "sidebarinterface.h"
 
+class QKeyEvent;
+
+class TabWidget;
+
 class VerticalTabsPlugin;
+class VerticalTabsWidget;
 
 class VerticalTabsController : public SideBarInterface
 {
@@ -31,6 +39,9 @@ public:
     QAction *createMenuAction() override;
     QWidget *createSideBarWidget(BrowserWindow *window) override;
 
+    bool handleKeyPress(QKeyEvent *event, TabWidget *tabWidget);
+
 private:
     VerticalTabsPlugin *m_plugin;
+    QHash<BrowserWindow*, QPointer<VerticalTabsWidget>> m_widgets;
 };

src/plugins/VerticalTabs/verticaltabsplugin.cpp

@@ -63,6 +63,8 @@ void VerticalTabsPlugin::init(InitState state, const QString &settingsPath)
     m_controller = new VerticalTabsController(this);
     SideBarManager::addSidebar(QSL("VerticalTabs"), m_controller);
 
+    QZ_REGISTER_EVENT_HANDLER(PluginProxy::KeyPressHandler);
+
     setWebTabBehavior(m_addChildBehavior);
     loadStyleSheet(m_theme);
 
@@ -103,6 +105,14 @@ void VerticalTabsPlugin::showSettings(QWidget *parent)
     settings->exec();
 }
 
+bool VerticalTabsPlugin::keyPress(const Qz::ObjectName &type, QObject *obj, QKeyEvent *event)
+{
+    if (type == Qz::ON_TabWidget) {
+        return m_controller->handleKeyPress(event, static_cast<TabWidget*>(obj));
+    }
+    return false;
+}
+
 VerticalTabsPlugin::ViewType VerticalTabsPlugin::viewType() const
 {
     return m_viewType;

src/plugins/VerticalTabs/verticaltabsplugin.h

@@ -38,6 +38,7 @@ public:
     bool testPlugin() override;
     QTranslator* getTranslator(const QString &locale) override;
     void showSettings(QWidget *parent = nullptr) override;
+    bool keyPress(const Qz::ObjectName &type, QObject *obj, QKeyEvent *event) override;
 
     enum ViewType {
         TabListView,

src/plugins/VerticalTabs/verticaltabswidget.cpp

@@ -20,9 +20,11 @@
 #include "tablistview.h"
 #include "tabfiltermodel.h"
 
+#include "webtab.h"
 #include "tabmodel.h"
 #include "toolbutton.h"
 #include "tabtreemodel.h"
+#include "tabbedwebview.h"
 #include "browserwindow.h"
 
 #include <QVBoxLayout>
@@ -36,7 +38,7 @@ VerticalTabsWidget::VerticalTabsWidget(BrowserWindow *window)
     layout->setSpacing(0);
     layout->setContentsMargins(0, 0, 0, 0);
 
-    TabListView *m_pinnedView = new TabListView(this);
+    m_pinnedView = new TabListView(this);
     TabFilterModel *model = new TabFilterModel(m_pinnedView);
     model->setFilterPinnedTabs(false);
     model->setSourceModel(m_window->tabModel());
@@ -86,3 +88,61 @@ void VerticalTabsWidget::setViewType(VerticalTabsPlugin::ViewType type)
         break;
     };
 }
+
+void VerticalTabsWidget::switchToNextTab()
+{
+    WebTab *tab = nextTab();
+    if (tab) {
+        tab->makeCurrentTab();
+    }
+}
+
+void VerticalTabsWidget::switchToPreviousTab()
+{
+    WebTab *tab = previousTab();
+    if (tab) {
+        tab->makeCurrentTab();
+    }
+}
+
+WebTab *VerticalTabsWidget::nextTab() const
+{
+    QModelIndex next;
+    if (m_window->weView()->webTab()->isPinned()) {
+        next = m_pinnedView->indexAfter(m_pinnedView->currentIndex());
+        if (!next.isValid()) {
+            next = m_normalView->model()->index(0, 0);
+        }
+    } else {
+        next = m_normalView->indexBelow(m_normalView->currentIndex());
+        if (!next.isValid()) {
+            next = m_pinnedView->model()->index(0, 0);
+        }
+    }
+    return next.data(TabModel::WebTabRole).value<WebTab*>();
+}
+
+WebTab *VerticalTabsWidget::previousTab() const
+{
+    QModelIndex previous;
+    if (m_window->weView()->webTab()->isPinned()) {
+        previous = m_pinnedView->indexBefore(m_pinnedView->currentIndex());
+        if (!previous.isValid()) {
+            previous = m_normalView->model()->index(m_normalView->model()->rowCount() - 1, 0);
+            while (previous.isValid()) {
+                const QModelIndex below = m_normalView->indexBelow(previous);
+                if (below.isValid()) {
+                    previous = below;
+                } else {
+                    break;
+                }
+            }
+        }
+    } else {
+        previous = m_normalView->indexAbove(m_normalView->currentIndex());
+        if (!previous.isValid()) {
+            previous = m_pinnedView->model()->index(m_pinnedView->model()->rowCount() - 1, 0);
+        }
+    }
+    return previous.data(TabModel::WebTabRole).value<WebTab*>();
+}

src/plugins/VerticalTabs/verticaltabswidget.h

@@ -21,6 +21,7 @@
 
 #include "verticaltabsplugin.h"
 
+class WebTab;
 class BrowserWindow;
 class TabTreeModel;
 
@@ -35,7 +36,13 @@ public:
 
     void setViewType(VerticalTabsPlugin::ViewType type);
 
+    void switchToNextTab();
+    void switchToPreviousTab();
+
 private:
+    WebTab *nextTab() const;
+    WebTab *previousTab() const;
+
     BrowserWindow *m_window;
     TabListView *m_pinnedView;
     TabTreeView *m_normalView;