Provide keyboard navigation to Shortcuts tool box and Hamburger menu in

NotebookbarTabControl

Use Ctrl+Right/Left arrow to move focus among current notebookbar tab
control tab title, hamburger menu, and shortcuts tool box.

Change-Id: Ia7b22ff03fce7148eb411cfe9eaabc247b737cb5
Reviewed-on: https://gerrit.libreoffice.org/63875
Tested-by: Jenkins
Reviewed-by: Jim Raykowski <raykowj@gmail.com>

include/sfx2/notebookbar/NotebookbarTabControl.hxx

@@ -27,6 +27,8 @@ public:
     NotebookbarTabControl( Window* pParent );
     ~NotebookbarTabControl() override;
 
+    virtual void KeyInput( const KeyEvent& rKEvt ) override;
+    virtual bool EventNotify( NotifyEvent& rNEvt ) override;
     virtual void StateChanged(StateChangedType nStateChange) override;
     virtual Size calculateRequisition() const override;
 
@@ -36,6 +38,8 @@ private:
                                           const OUString& aModuleName,
                                           ToolBox* pShortcuts
                              );
+    void ArrowStops( sal_uInt16 nCode );
+
     DECL_LINK(OpenNotebookbarPopupMenu, NotebookBar*, void);
 
     css::uno::Reference<css::ui::XUIConfigurationListener> m_pListener;

include/vcl/tabctrl.hxx

@@ -201,6 +201,7 @@ public:
     void SetIconClickHdl( Link<NotebookBar*, void> aHdl );
     void SetToolBox( ToolBox* pToolBox );
     ToolBox* GetToolBox() { return m_pShortcuts; }
+    PushButton* GetOpenMenu() { return m_pOpenMenu; }
 
     virtual sal_uInt16  GetPageId( const Point& rPos ) const override;
     virtual void        SelectTabPage( sal_uInt16 nPageId ) override;

sfx2/source/notebookbar/NotebookbarTabControl.cxx

@@ -126,6 +126,20 @@ public:
         mbUseDefaultButtonSize = false;
         SetToolboxButtonSize(ToolBoxButtonSize::Small);
     }
+
+    virtual void KeyInput( const KeyEvent& rKEvt ) override
+    {
+        if ( rKEvt.GetKeyCode().IsMod1() )
+        {
+            sal_uInt16 nCode( rKEvt.GetKeyCode().GetCode() );
+            if ( nCode == KEY_RIGHT || nCode == KEY_LEFT )
+            {
+                GetParent()->KeyInput( rKEvt );
+                return;
+            }
+        }
+        return sfx2::sidebar::SidebarToolBox::KeyInput( rKEvt );
+    }
 };
 
 NotebookbarTabControl::NotebookbarTabControl( Window* pParent )
@@ -139,6 +153,84 @@ NotebookbarTabControl::~NotebookbarTabControl()
 {
 }
 
+void NotebookbarTabControl::ArrowStops( sal_uInt16 nCode )
+{
+    ToolBox* pToolBox( GetToolBox() );
+    PushButton* pOpenMenu( GetOpenMenu() );
+
+    if ( nCode == KEY_LEFT )
+    {
+        if ( HasFocus() )
+        {
+            if ( pToolBox )
+                pToolBox->GrabFocus();
+            else if ( pOpenMenu )
+                pOpenMenu->GrabFocus();
+        }
+        else if ( pToolBox && pToolBox->HasFocus() )
+        {
+            if ( pOpenMenu )
+                pOpenMenu->GrabFocus();
+            else
+                GrabFocus();
+        }
+        else if ( pOpenMenu && pOpenMenu->HasFocus() )
+        {
+            GrabFocus();
+        }
+    }
+    else if ( nCode == KEY_RIGHT )
+    {
+        if ( HasFocus() )
+        {
+            if ( pOpenMenu )
+                pOpenMenu->GrabFocus();
+            else if ( pToolBox )
+                pToolBox->GrabFocus();
+        }
+        else if ( pToolBox && pToolBox->HasFocus() )
+        {
+            GrabFocus();
+        }
+        else if ( pOpenMenu && pOpenMenu->HasFocus() )
+        {
+            if ( pToolBox )
+                pToolBox->GrabFocus();
+            else
+                GrabFocus();
+        }
+    }
+}
+
+void NotebookbarTabControl::KeyInput( const KeyEvent& rKEvt )
+{
+    if ( rKEvt.GetKeyCode().IsMod1() )
+    {
+        sal_uInt16 nCode( rKEvt.GetKeyCode().GetCode() );
+        if ( nCode == KEY_RIGHT || nCode == KEY_LEFT )
+        {
+            ArrowStops( nCode );
+            return;
+        }
+    }
+    return NotebookbarTabControlBase::KeyInput( rKEvt );
+}
+
+bool NotebookbarTabControl::EventNotify( NotifyEvent& rNEvt )
+{
+    if ( rNEvt.GetType() == MouseNotifyEvent::KEYINPUT )
+    {
+        const vcl::KeyCode& rKey = rNEvt.GetKeyEvent()->GetKeyCode();
+        sal_uInt16 nCode = rKey.GetCode();
+        if ( rKey.IsMod1() && ( nCode == KEY_RIGHT || nCode == KEY_LEFT ) )
+        {
+            ArrowStops( nCode );
+            return true;
+        }
+    }
+    return NotebookbarTabControlBase::EventNotify( rNEvt );
+}
+
 void NotebookbarTabControl::StateChanged(StateChangedType nStateChange)
 {
     if( !m_bInitialized && SfxViewFrame::Current() )