MDIArea.cpp

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/*
  This file is part of KDDockWidgets.
 
  SPDX-FileCopyrightText: 2020 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
  Author: Sérgio Martins <sergio.martins@kdab.com>
 
  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
 
  Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
 
#include "MDIArea.h"
 
#include "core/View_p.h"
 
#include "qtwidgets/ViewFactory.h"
#include "kddockwidgets/core/views/DockWidgetViewInterface.h"
#include "kddockwidgets/core/DockWidget.h"
#include "kddockwidgets/core/MDILayout.h"
#include "kddockwidgets/core/DropArea.h"
 
#include "qtwidgets/views/View.h"
#include "Config.h"
 
#include <QVBoxLayout>
 
using namespace KDDockWidgets;
using namespace KDDockWidgets::Core;
using namespace KDDockWidgets::QtWidgets;
 
class MDIArea::Private
{
public:
    explicit Private(View *parent)
        : layout(new MDILayout(parent))
    {
    }
 
    ~Private()
    {
        delete layout;
    }
 
    MDILayout *const layout;
};
 
MDIArea::MDIArea(QWidget *parent)
    : QtWidgets::View<QWidget>(nullptr, ViewType::None, parent)
    , d(new Private(this))
{
 
    auto vlay = new QVBoxLayout(this);
    vlay->addWidget(View_qt::asQWidget(d->layout));
 
    View::d->closeRequested.connect([this](QCloseEvent *ev) { d->layout->onCloseEvent(ev); });
}
 
MDIArea::~MDIArea()
{
    delete d;
}
 
void MDIArea::addDockWidget(Core::DockWidget *dw, QPoint localPt,
                            const InitialOption &addingOption)
{
    if (!dw)
        return;
 
    if (dw->options() & DockWidgetOption_MDINestable) {
        // We' wrap it with a drop area, so we can drag other dock widgets over this one and dock
        auto wrapperDW =
            Config::self()
                .viewFactory()
                ->createDockWidget(QStringLiteral("%1-mdiWrapper").arg(dw->uniqueName()))
                ->asDockWidgetController();
 
        auto dropAreaWrapper = new DropArea(wrapperDW->view(), {}, /*isMDIWrapper= */ true);
        dropAreaWrapper->addDockWidget(dw, Location_OnBottom, nullptr);
        wrapperDW->setGuestView(dropAreaWrapper->view()->asWrapper());
 
        dw = wrapperDW;
    }
 
    d->layout->addDockWidget(dw, localPt, addingOption);
}
 
void MDIArea::moveDockWidget(Core::DockWidget *dw, QPoint pos)
{
    d->layout->moveDockWidget(dw, pos);
}
 
void MDIArea::resizeDockWidget(Core::DockWidget *dw, QSize size)
{
    d->layout->resizeDockWidget(dw, size);
}
 
void MDIArea::addDockWidget(Core::DockWidgetViewInterface *dwView, QPoint localPt,
                            const InitialOption &addingOption)
{
    auto dw = dwView ? dwView->dockWidget() : nullptr;
    addDockWidget(dw, localPt, addingOption);
}
 
void MDIArea::moveDockWidget(Core::DockWidgetViewInterface *dwView, QPoint pos)
{
    auto dw = dwView ? dwView->dockWidget() : nullptr;
    moveDockWidget(dw, pos);
}
 
void MDIArea::resizeDockWidget(Core::DockWidgetViewInterface *dwView, QSize size)
{
    auto dw = dwView ? dwView->dockWidget() : nullptr;
    resizeDockWidget(dw, size);
}
 
QVector<Core::Group *> MDIArea::groups() const
{
    return d->layout->groups();
}