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path: root/svtools/source/control/toolbarmenu.cxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <memory>
#include <comphelper/lok.hxx>
#include <comphelper/processfactory.hxx>

#include <utility>
#include <vcl/taskpanelist.hxx>
#include <vcl/svapp.hxx>

#include <framestatuslistener.hxx>
#include <svtools/toolbarmenu.hxx>

using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::frame;

namespace {

SystemWindow* GetTopMostParentSystemWindow(const vcl::Window& rWindow)
{
    // ->manually search topmost system window
    // required because their might be another system window between this and the top window
    vcl::Window* pWindow = rWindow.GetParent();
    SystemWindow* pTopMostSysWin = nullptr;
    while ( pWindow )
    {
        if ( pWindow->IsSystemWindow() )
            pTopMostSysWin = static_cast<SystemWindow*>(pWindow);
        pWindow = pWindow->GetParent();
    }
    return pTopMostSysWin;
}

class ToolbarPopupStatusListener : public svt::FrameStatusListener
{
public:
    ToolbarPopupStatusListener( const css::uno::Reference< css::frame::XFrame >& xFrame,
                                WeldToolbarPopup& rToolbarPopup );

    virtual void SAL_CALL dispose() override;
    virtual void SAL_CALL statusChanged( const css::frame::FeatureStateEvent& Event ) override;

    WeldToolbarPopup* mpPopup;
};


ToolbarPopupStatusListener::ToolbarPopupStatusListener(
    const css::uno::Reference< css::frame::XFrame >& xFrame,
    WeldToolbarPopup& rToolbarPopup )
: svt::FrameStatusListener( ::comphelper::getProcessComponentContext(), xFrame )
, mpPopup( &rToolbarPopup )
{
}


void SAL_CALL ToolbarPopupStatusListener::dispose()
{
    mpPopup = nullptr;
    svt::FrameStatusListener::dispose();
}


void SAL_CALL ToolbarPopupStatusListener::statusChanged( const css::frame::FeatureStateEvent& Event )
{
    if( mpPopup )
        mpPopup->statusChanged( Event );
}

}

void WeldToolbarPopup::AddStatusListener(const OUString& rCommandURL)
{
    if (!m_xStatusListener.is())
        m_xStatusListener.set(new ToolbarPopupStatusListener(m_xFrame, *this));

    m_xStatusListener->addStatusListener(rCommandURL);
}

void WeldToolbarPopup::statusChanged(const css::frame::FeatureStateEvent& /*Event*/)
{
}

void InterimToolbarPopup::EndPopupMode()
{
    GetDockingManager()->EndPopupMode(this);
}

WeldToolbarPopup::WeldToolbarPopup(css::uno::Reference<css::frame::XFrame> xFrame,
                                   weld::Widget* pParent, const OUString& rUIFile,
                                   const OUString& rId)
    : m_xBuilder(Application::CreateBuilder(pParent, rUIFile))
    , m_xTopLevel(m_xBuilder->weld_popover(rId))
    , m_xContainer(m_xBuilder->weld_container(u"container"_ustr))
    , m_xFrame(std::move(xFrame))
{
    m_xTopLevel->connect_focus_in(LINK(this, WeldToolbarPopup, FocusHdl));
}

WeldToolbarPopup::~WeldToolbarPopup()
{
    if (m_xStatusListener.is())
        m_xStatusListener->dispose();
}

IMPL_LINK_NOARG(WeldToolbarPopup, FocusHdl, weld::Widget&, void)
{
    GrabFocus();
}

ToolbarPopupContainer::ToolbarPopupContainer(weld::Widget* pParent)
    : m_xBuilder(Application::CreateBuilder(pParent, u"svx/ui/toolbarpopover.ui"_ustr))
    , m_xTopLevel(m_xBuilder->weld_container(u"ToolbarPopover"_ustr))
    , m_xContainer(m_xBuilder->weld_container(u"container"_ustr))
{
    m_xTopLevel->connect_focus_in(LINK(this, ToolbarPopupContainer, FocusHdl));
}

void ToolbarPopupContainer::setPopover(std::unique_ptr<WeldToolbarPopup> xPopup)
{
    m_xPopup = std::move(xPopup);
    // move the WeldToolbarPopup contents into this toolbar so on-demand contents can appear inside a preexisting gtk popover
    // because the arrow for the popover is only enabled if there's a popover set
    m_xPopup->getTopLevel()->move(m_xPopup->getContainer(), m_xContainer.get());

    // in online LoseFocus event is fired due to this line and popup is closed
    // when first time opened any popup from not focused sidebar
    if (!comphelper::LibreOfficeKit::isActive())
        m_xPopup->GrabFocus();
}

void ToolbarPopupContainer::unsetPopover()
{
    if (!m_xPopup)
        return;
    m_xContainer->move(m_xPopup->getContainer(), m_xPopup->getTopLevel());
    m_xPopup.reset();
}

ToolbarPopupContainer::~ToolbarPopupContainer()
{
    unsetPopover();
}

IMPL_LINK_NOARG(ToolbarPopupContainer, FocusHdl, weld::Widget&, void)
{
    if (m_xPopup)
        m_xPopup->GrabFocus();
}

InterimToolbarPopup::InterimToolbarPopup(const css::uno::Reference<css::frame::XFrame>& rFrame, vcl::Window* pParent,
                                         std::unique_ptr<WeldToolbarPopup> xPopup, bool bTearable)
    : DropdownDockingWindow(pParent, rFrame, bTearable)
    , m_xFrame(rFrame)
    , m_xBuilder(Application::CreateInterimBuilder(m_xBox.get(), u"svt/ui/interimparent.ui"_ustr, false))
    , m_xContainer(m_xBuilder->weld_container(u"container"_ustr))
    , m_xPopup(std::move(xPopup))
{
    if (SystemWindow* pWindow = GetTopMostParentSystemWindow(*this))
        pWindow->GetTaskPaneList()->AddWindow(this);

    // move the WeldToolbarPopup contents into this interim toolbar so welded contents can appear as a dropdown in an unwelded toolbar
    m_xPopup->getTopLevel()->move(m_xPopup->getContainer(), m_xContainer.get());
}

void InterimToolbarPopup::GetFocus()
{
    DropdownDockingWindow::GetFocus();
    if (!m_xPopup)
        return;
    m_xPopup->GrabFocus();
}

void InterimToolbarPopup::dispose()
{
    if (SystemWindow* pWindow = GetTopMostParentSystemWindow(*this))
        pWindow->GetTaskPaneList()->RemoveWindow(this);

    // if we have focus when disposed, pick the document window as destination
    // for focus rather than let it go to an arbitrary windows
    if (HasFocus())
    {
        if (auto xWindow = m_xFrame->getContainerWindow())
            xWindow->setFocus();
    }
    // move the contents back where it belongs
    m_xContainer->move(m_xPopup->getContainer(), m_xPopup->getTopLevel());
    m_xPopup.reset();
    m_xContainer.reset();
    m_xBuilder.reset();
    m_xFrame.clear();
    DropdownDockingWindow::dispose();
}

InterimToolbarPopup::~InterimToolbarPopup()
{
    disposeOnce();
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */