formwindowmanager.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
#ifndef FORMWINDOWMANAGER_H
#define FORMWINDOWMANAGER_H
 
#include "formeditor_global.h"
 
#include <QtDesigner/private/qdesigner_formwindowmanager_p.h>
 
#include <QtCore/qobject.h>
#include <QtCore/qlist.h>
#include <QtCore/qpointer.h>
#include <QtCore/qmap.h>
#include <QtCore/qset.h>
 
QT_BEGIN_NAMESPACE
 
class QAction;
class QActionGroup;
class QUndoGroup;
class QDesignerFormEditorInterface;
class QDesignerWidgetBoxInterface;
 
namespace qdesigner_internal {
 
class FormWindow;
class PreviewManager;
class PreviewActionGroup;
 
class QT_FORMEDITOR_EXPORT FormWindowManager
    : public QDesignerFormWindowManager
{
    Q_OBJECT
public:
    explicit FormWindowManager(QDesignerFormEditorInterface *core, QObject *parent = nullptr);
    ~FormWindowManager() override;
 
    QDesignerFormEditorInterface *core() const override;
 
    QAction *action(Action action) const override;
    QActionGroup *actionGroup(ActionGroup actionGroup) const override;
 
    QDesignerFormWindowInterface *activeFormWindow() const override;
 
    int formWindowCount() const override;
    QDesignerFormWindowInterface *formWindow(int index) const override;
 
    QDesignerFormWindowInterface *createFormWindow(QWidget *parentWidget = nullptr, Qt::WindowFlags flags = {}) override;
 
    QPixmap createPreviewPixmap() const override;
 
    bool eventFilter(QObject *o, QEvent *e) override;
 
    void dragItems(const QList<QDesignerDnDItemInterface*> &item_list) override;
 
    QUndoGroup *undoGroup() const;
 
    PreviewManager *previewManager() const override { return m_previewManager; }
 
public slots:
    void addFormWindow(QDesignerFormWindowInterface *formWindow) override;
    void removeFormWindow(QDesignerFormWindowInterface *formWindow) override;
    void setActiveFormWindow(QDesignerFormWindowInterface *formWindow) override;
    void closeAllPreviews() override;
    void deviceProfilesChanged();
 
private slots:
#if QT_CONFIG(clipboard)
    void slotActionCutActivated();
    void slotActionCopyActivated();
    void slotActionPasteActivated();
#endif
    void slotActionDeleteActivated();
    void slotActionSelectAllActivated();
    void slotActionLowerActivated();
    void slotActionRaiseActivated();
    void createLayout();
    void slotActionBreakLayoutActivated();
    void slotActionAdjustSizeActivated();
    void slotActionSimplifyLayoutActivated();
    void showPreview() override;
    void slotActionGroupPreviewInStyle(const QString &style, int deviceProfileIndex);
    void slotActionShowFormWindowSettingsDialog();
 
    void slotUpdateActions();
 
private:
    void setupActions();
    FormWindow *findFormWindow(QWidget *w);
    QWidget *findManagedWidget(FormWindow *fw, QWidget *w);
 
    void setCurrentUndoStack(QUndoStack *stack);
 
private:
    enum CreateLayoutContext { LayoutContainer, LayoutSelection, MorphLayout };
 
    QDesignerFormEditorInterface *m_core;
    FormWindow *m_activeFormWindow;
    QList<FormWindow*> m_formWindows;
 
    PreviewManager *m_previewManager;
 
    /* Context of the layout actions and base for morphing layouts. Determined
     * in slotUpdateActions() and used later on in the action slots. */
    CreateLayoutContext m_createLayoutContext;
    QWidget *m_morphLayoutContainer;
 
    // edit actions
#if QT_CONFIG(clipboard)
    QAction *m_actionCut = nullptr;
    QAction *m_actionCopy = nullptr;
    QAction *m_actionPaste = nullptr;
#endif
    QAction *m_actionSelectAll = nullptr;
    QAction *m_actionDelete = nullptr;
    QAction *m_actionLower = nullptr;
    QAction *m_actionRaise = nullptr;
    // layout actions
    QAction *m_actionHorizontalLayout = nullptr;
    QAction *m_actionVerticalLayout = nullptr;
    QAction *m_actionFormLayout = nullptr;
    QAction *m_actionSplitHorizontal = nullptr;
    QAction *m_actionSplitVertical = nullptr;
    QAction *m_actionGridLayout = nullptr;
    QAction *m_actionBreakLayout = nullptr;
    QAction *m_actionSimplifyLayout = nullptr;
    QAction *m_actionAdjustSize = nullptr;
    // preview actions
    QAction *m_actionDefaultPreview = nullptr;
    mutable PreviewActionGroup *m_actionGroupPreviewInStyle = nullptr;
    QAction *m_actionShowFormWindowSettingsDialog = nullptr;
 
    QAction *m_actionUndo = nullptr;
    QAction *m_actionRedo = nullptr;
 
    QSet<QWidget *> getUnsortedLayoutsToBeBroken(bool firstOnly) const;
    bool hasLayoutsToBeBroken() const;
    QWidgetList layoutsToBeBroken(QWidget *w) const;
    QWidgetList layoutsToBeBroken() const;
 
    QUndoGroup *m_undoGroup = nullptr;
 
};
 
}  // namespace qdesigner_internal
 
QT_END_NAMESPACE
 
#endif // FORMWINDOWMANAGER_H