Related: tdf#137016 check if subcontrol has the focus

backport some required pieces from master to support that

Change-Id: I632188bc0512c9d8935bd0898c96e066881ebeb1
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/103524
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
diff --git a/dbaccess/source/ui/control/RelationControl.cxx b/dbaccess/source/ui/control/RelationControl.cxx
index d9de91b..69f0a00 100644
--- a/dbaccess/source/ui/control/RelationControl.cxx
+++ b/dbaccess/source/ui/control/RelationControl.cxx
@@ -184,7 +184,7 @@ namespace dbaui

    bool ORelationControl::PreNotify(NotifyEvent& rNEvt)
    {
        if (rNEvt.GetType() == MouseNotifyEvent::LOSEFOCUS && !HasChildPathFocus() )
        if (rNEvt.GetType() == MouseNotifyEvent::LOSEFOCUS && !HasChildPathFocus() && !ControlHasFocus())
            PostUserEvent(LINK(this, ORelationControl, AsynchDeactivate), nullptr, true);
        else if (rNEvt.GetType() == MouseNotifyEvent::GETFOCUS)
            PostUserEvent(LINK(this, ORelationControl, AsynchActivate), nullptr, true);
diff --git a/include/svtools/editbrowsebox.hxx b/include/svtools/editbrowsebox.hxx
index ebd968d..5614659 100644
--- a/include/svtools/editbrowsebox.hxx
+++ b/include/svtools/editbrowsebox.hxx
@@ -316,8 +316,18 @@ namespace svt
        DECL_LINK(ModifyHdl, LinkParamNone*, void);
    };

    class SVT_DLLPUBLIC ControlBase : public InterimItemWindow
    {
    public:
        ControlBase(vcl::Window* pParent, const OUString& rUIXMLDescription, const OString& rID)
            : InterimItemWindow(pParent, rUIXMLDescription, rID)
        {
        }
        virtual bool ControlHasFocus() const = 0;
    };

    //= ComboBoxControl
    class SVT_DLLPUBLIC ComboBoxControl final : public InterimItemWindow
    class SVT_DLLPUBLIC ComboBoxControl final : public ControlBase
    {
    private:
        std::unique_ptr<weld::ComboBox> m_xWidget;
@@ -343,6 +353,11 @@ namespace svt
            m_aModify2Hdl = rLink;
        }

        virtual bool ControlHasFocus() const override
        {
            return m_xWidget && m_xWidget->has_focus();
        }

        virtual void dispose() override;

    private:
@@ -373,7 +388,7 @@ namespace svt
    };

    //= ListBoxControl
    class SVT_DLLPUBLIC ListBoxControl final : public InterimItemWindow
    class SVT_DLLPUBLIC ListBoxControl final : public ControlBase
    {
    private:
        std::unique_ptr<weld::ComboBox> m_xWidget;
@@ -399,6 +414,11 @@ namespace svt
            m_aModify2Hdl = rLink;
        }

        virtual bool ControlHasFocus() const override
        {
            return m_xWidget && m_xWidget->has_focus();
        }

        virtual void dispose() override;
    private:
        DECL_LINK(SelectHdl, weld::ComboBox&, void);
@@ -655,6 +675,7 @@ namespace svt
        virtual sal_Int32 GetFieldIndexAtPoint(sal_Int32 _nRow,sal_Int32 _nColumnPos,const Point& _rPoint) override;

        css::uno::Reference< css::accessibility::XAccessible > CreateAccessibleCheckBoxCell(long _nRow, sal_uInt16 _nColumnPos,const TriState& eState);
        bool ControlHasFocus() const;
    protected:
        // creates the accessible which wraps the active cell
        void    implCreateActiveAccessible( );
diff --git a/svtools/source/brwbox/ebbcontrols.cxx b/svtools/source/brwbox/ebbcontrols.cxx
index 1e0272a..e402f0a 100644
--- a/svtools/source/brwbox/ebbcontrols.cxx
+++ b/svtools/source/brwbox/ebbcontrols.cxx
@@ -28,7 +28,7 @@ namespace svt

    //= ComboBoxControl
    ComboBoxControl::ComboBoxControl(vcl::Window* pParent)
        : InterimItemWindow(pParent, "svt/ui/combocontrol.ui", "ComboControl")
        : ControlBase(pParent, "svt/ui/combocontrol.ui", "ComboControl")
        , m_xWidget(m_xBuilder->weld_combo_box("combobox"))
    {
        m_xWidget->set_entry_width_chars(1); // so a smaller than default width can be used
@@ -38,7 +38,7 @@ namespace svt
    void ComboBoxControl::dispose()
    {
        m_xWidget.reset();
        InterimItemWindow::dispose();
        ControlBase::dispose();
    }

    IMPL_LINK_NOARG(ComboBoxControl, SelectHdl, weld::ComboBox&, void)
@@ -111,7 +111,7 @@ namespace svt

    //= ListBoxControl
    ListBoxControl::ListBoxControl(vcl::Window* pParent)
        : InterimItemWindow(pParent, "svt/ui/listcontrol.ui", "ListControl")
        : ControlBase(pParent, "svt/ui/listcontrol.ui", "ListControl")
        , m_xWidget(m_xBuilder->weld_combo_box("listbox"))
    {
        m_xWidget->set_size_request(42, -1); // so a later narrow size request can stick
@@ -121,7 +121,7 @@ namespace svt
    void ListBoxControl::dispose()
    {
        m_xWidget.reset();
        InterimItemWindow::dispose();
        ControlBase::dispose();
    }

    IMPL_LINK_NOARG(ListBoxControl, SelectHdl, weld::ComboBox&, void)
diff --git a/svtools/source/brwbox/editbrowsebox.cxx b/svtools/source/brwbox/editbrowsebox.cxx
index 0105082..12ef6d6 100644
--- a/svtools/source/brwbox/editbrowsebox.cxx
+++ b/svtools/source/brwbox/editbrowsebox.cxx
@@ -211,7 +211,7 @@ namespace svt
        if (IsEditing())
        {
            EnableAndShow();
            if (!aController->GetWindow().HasFocus() && (m_pFocusWhileRequest.get() == Application::GetFocusWindow()))
            if (!ControlHasFocus() && (m_pFocusWhileRequest.get() == Application::GetFocusWindow()))
                aController->GetWindow().GrabFocus();
        }
    }
@@ -467,6 +467,13 @@ namespace svt
                implActivateCellOnMouseEvent(rEvt, true);
    }

    bool EditBrowseBox::ControlHasFocus() const
    {
        Window* pControlWindow = aController ? &aController->GetWindow() : nullptr;
        if (ControlBase* pControlBase = dynamic_cast<ControlBase*>(pControlWindow))
            return pControlBase->ControlHasFocus();
        return pControlWindow && pControlWindow->HasChildPathFocus();
    }

    void EditBrowseBox::implActivateCellOnMouseEvent(const BrowserMouseEvent& _rEvt, bool _bUp)
    {
@@ -474,7 +481,7 @@ namespace svt
            ActivateCell();
        else if (IsEditing() && !aController->GetWindow().IsEnabled())
            DeactivateCell();
        else if (IsEditing() && !aController->GetWindow().HasChildPathFocus())
        else if (IsEditing() && !ControlHasFocus())
            AsynchGetFocus();

        if (!(IsEditing() && aController->GetWindow().IsEnabled() && aController->WantMouseEvent()))
@@ -546,7 +553,7 @@ namespace svt
    {
        if (rEvt.GetType() == MouseNotifyEvent::KEYINPUT)
        {
            if  (   (IsEditing() && Controller()->GetWindow().HasChildPathFocus())
            if  (   (IsEditing() && ControlHasFocus())
                ||  rEvt.GetWindow() == &GetDataWindow()
                ||  (!IsEditing() && HasChildPathFocus())
                )
diff --git a/svtools/source/brwbox/editbrowsebox2.cxx b/svtools/source/brwbox/editbrowsebox2.cxx
index 3544979..7c84cf5 100644
--- a/svtools/source/brwbox/editbrowsebox2.cxx
+++ b/svtools/source/brwbox/editbrowsebox2.cxx
@@ -124,7 +124,7 @@ void EditBrowseBox::GrabTableFocus()

void EditBrowseBox::DetermineFocus( const GetFocusFlags _nGetFocusFlags )
{
    bool bFocus = false;
    bool bFocus = ControlHasFocus();
    for (vcl::Window* pWindow = Application::GetFocusWindow();
         pWindow && !bFocus;
         pWindow = pWindow->GetParent())