tdf#132540 and tdf#132338 align popover replacement with complete toolitem

not just the menubutton sub-part

Change-Id: I75342e3b7b21537565a3a367e1a8b2924b95e822
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93233
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/vcl/unx/gtk3/gtk3gtkinst.cxx b/vcl/unx/gtk3/gtk3gtkinst.cxx
index cce6c4e..9d43dc9 100644
--- a/vcl/unx/gtk3/gtk3gtkinst.cxx
+++ b/vcl/unx/gtk3/gtk3gtkinst.cxx
@@ -7038,6 +7038,8 @@ private:
    GtkWidget* m_pLabel;
    //popover cannot escape dialog under X so stick up own window instead
    GtkWindow* m_pMenuHack;
    //when doing so, if its a toolbar menubutton align the menu to the full toolitem
    GtkWidget* m_pMenuHackAlign;
    GtkWidget* m_pPopover;
    gulong m_nSignalId;

@@ -7087,7 +7089,7 @@ private:
            gtk_container_add(GTK_CONTAINER(m_pMenuHack), pChild);
            g_object_unref(pChild);

            GtkPositionType ePosUsed = show_menu(GTK_WIDGET(m_pMenuButton), m_pMenuHack);
            GtkPositionType ePosUsed = show_menu(m_pMenuHackAlign ? m_pMenuHackAlign : GTK_WIDGET(m_pMenuButton), m_pMenuHack);
            // tdf#132540 keep the placeholder popover on this same side as the replacement menu
            gtk_popover_set_position(gtk_menu_button_get_popover(m_pMenuButton), ePosUsed);
        }
@@ -7175,12 +7177,13 @@ private:
    }

public:
    GtkInstanceMenuButton(GtkMenuButton* pMenuButton, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
    GtkInstanceMenuButton(GtkMenuButton* pMenuButton, GtkWidget* pMenuAlign, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
        : GtkInstanceToggleButton(GTK_TOGGLE_BUTTON(pMenuButton), pBuilder, bTakeOwnership)
        , MenuHelper(gtk_menu_button_get_popup(pMenuButton), false)
        , m_pMenuButton(pMenuButton)
        , m_pImage(nullptr)
        , m_pMenuHack(nullptr)
        , m_pMenuHackAlign(pMenuAlign)
        , m_pPopover(nullptr)
        , m_nSignalId(0)
    {
@@ -7729,7 +7732,7 @@ private:
        m_aMap[id] = pToolItem;
        if (pMenuButton)
        {
            m_aMenuButtonMap[id] = std::make_unique<GtkInstanceMenuButton>(pMenuButton, m_pBuilder, false);
            m_aMenuButtonMap[id] = std::make_unique<GtkInstanceMenuButton>(pMenuButton, GTK_WIDGET(pToolItem), m_pBuilder, false);
            // so that, e.g. with focus initially in writer main document then
            // after clicking the heading menu in the writer navigator focus is
            // left in the main document and not in the toolbar
@@ -15233,7 +15236,7 @@ public:
        if (!pButton)
            return nullptr;
        auto_add_parentless_widgets_to_container(GTK_WIDGET(pButton));
        return std::make_unique<GtkInstanceMenuButton>(pButton, this, bTakeOwnership);
        return std::make_unique<GtkInstanceMenuButton>(pButton, nullptr, this, bTakeOwnership);
    }

    virtual std::unique_ptr<weld::LinkButton> weld_link_button(const OString &id, bool bTakeOwnership) override