qt_demoe/designer/lib/shared/actionrepository_p.h

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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
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** packaging of this file. Please review the following information to
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//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of Qt Designer. This header
// file may change from version to version without notice, or even be removed.
//
// We mean it.
//
#ifndef ACTIONREPOSITORY_H
#define ACTIONREPOSITORY_H
#include "shared_global_p.h"
#include <QtCore/QMimeData>
#include <QtGui/QStandardItemModel>
#include <QtGui/QTreeView>
#include <QtGui/QListView>
#include <QtGui/QStackedWidget>
#include <QtGui/QIcon>
QT_BEGIN_NAMESPACE
class QPixmap;
class QDesignerFormEditorInterface;
class QDesignerPropertySheetExtension;
namespace qdesigner_internal {
class PropertySheetKeySequenceValue;
// Shared model of actions, to be used for several views (detailed/icon view).
class QDESIGNER_SHARED_EXPORT ActionModel: public QStandardItemModel
{
Q_OBJECT
public:
enum Columns { NameColumn, UsedColumn, TextColumn, ShortCutColumn, CheckedColumn, ToolTipColumn, NumColumns };
enum { ActionRole = Qt::UserRole + 1000 };
explicit ActionModel(QWidget *parent = 0);
void initialize(QDesignerFormEditorInterface *core) { m_core = core; }
void clearActions();
QModelIndex addAction(QAction *a);
// remove row
void remove(int row);
// update the row from the underlying action
void update(int row);
// return row of action or -1.
int findAction(QAction *) const;
QString actionName(int row) const;
QAction *actionAt(const QModelIndex &index) const;
virtual QMimeData *mimeData(const QModelIndexList &indexes) const;
virtual QStringList mimeTypes() const;
virtual bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent);
// Find the associated menus and toolbars, ignore toolbuttons
static QWidgetList associatedWidgets(const QAction *action);
// Retrieve shortcut via property sheet as it is a fake property
static PropertySheetKeySequenceValue actionShortCut(QDesignerFormEditorInterface *core, QAction *action);
static PropertySheetKeySequenceValue actionShortCut(const QDesignerPropertySheetExtension *ps);
signals:
void resourceImageDropped(const QString &path, QAction *action);
private:
typedef QList<QStandardItem *> QStandardItemList;
void initializeHeaders();
static void setItems(QDesignerFormEditorInterface *core, QAction *a,
const QIcon &defaultIcon,
QStandardItemList &sl);
const QIcon m_emptyIcon;
QDesignerFormEditorInterface *m_core;
};
// Internal class that provides the detailed view of actions.
class ActionTreeView: public QTreeView
{
Q_OBJECT
public:
explicit ActionTreeView(ActionModel *model, QWidget *parent = 0);
QAction *currentAction() const;
public slots:
void filter(const QString &text);
signals:
void contextMenuRequested(QContextMenuEvent *event, QAction *);
void currentChanged(QAction *action);
void activated(QAction *action);
protected slots:
virtual void currentChanged(const QModelIndex &current, const QModelIndex &previous);
protected:
virtual void dragEnterEvent(QDragEnterEvent *event);
virtual void dragMoveEvent(QDragMoveEvent *event);
virtual void dropEvent(QDropEvent *event);
virtual void focusInEvent(QFocusEvent *event);
virtual void contextMenuEvent(QContextMenuEvent *event);
virtual void startDrag(Qt::DropActions supportedActions);
private slots:
void slotActivated(const QModelIndex &);
private:
ActionModel *m_model;
};
// Internal class that provides the icon view of actions.
class ActionListView: public QListView
{
Q_OBJECT
public:
explicit ActionListView(ActionModel *model, QWidget *parent = 0);
QAction *currentAction() const;
public slots:
void filter(const QString &text);
signals:
void contextMenuRequested(QContextMenuEvent *event, QAction *);
void currentChanged(QAction *action);
void activated(QAction *action);
protected slots:
virtual void currentChanged(const QModelIndex &current, const QModelIndex &previous);
protected:
virtual void dragEnterEvent(QDragEnterEvent *event);
virtual void dragMoveEvent(QDragMoveEvent *event);
virtual void dropEvent(QDropEvent *event);
virtual void focusInEvent(QFocusEvent *event);
virtual void contextMenuEvent(QContextMenuEvent *event);
virtual void startDrag(Qt::DropActions supportedActions);
private slots:
void slotActivated(const QModelIndex &);
private:
ActionModel *m_model;
};
// Action View that can be switched between detailed and icon view
// using a QStackedWidget of ActionListView / ActionTreeView
// that share the item model and the selection model.
class ActionView : public QStackedWidget {
Q_OBJECT
public:
// Separate initialize() function takes core argument to make this
// thing usable as promoted widget.
explicit ActionView(QWidget *parent = 0);
void initialize(QDesignerFormEditorInterface *core) { m_model->initialize(core); }
// View mode
enum { DetailedView, IconView };
int viewMode() const;
void setViewMode(int lm);
void setSelectionMode(QAbstractItemView::SelectionMode sm);
QAbstractItemView::SelectionMode selectionMode() const;
ActionModel *model() const { return m_model; }
QAction *currentAction() const;
void setCurrentIndex(const QModelIndex &index);
typedef QList<QAction*> ActionList;
ActionList selectedActions() const;
QItemSelection selection() const;
public slots:
void filter(const QString &text);
void selectAll();
void clearSelection();
signals:
void contextMenuRequested(QContextMenuEvent *event, QAction *);
void currentChanged(QAction *action);
void activated(QAction *action);
void selectionChanged(const QItemSelection& selected, const QItemSelection& deselected);
void resourceImageDropped(const QString &data, QAction *action);
private slots:
void slotCurrentChanged(QAction *action);
private:
ActionModel *m_model;
ActionTreeView *m_actionTreeView;
ActionListView *m_actionListView;
};
class QDESIGNER_SHARED_EXPORT ActionRepositoryMimeData: public QMimeData
{
Q_OBJECT
public:
typedef QList<QAction*> ActionList;
ActionRepositoryMimeData(const ActionList &, Qt::DropAction dropAction);
ActionRepositoryMimeData(QAction *, Qt::DropAction dropAction);
const ActionList &actionList() const { return m_actionList; }
virtual QStringList formats() const;
static QPixmap actionDragPixmap(const QAction *action);
// Utility to accept with right action
void accept(QDragMoveEvent *event) const;
private:
const Qt::DropAction m_dropAction;
ActionList m_actionList;
};
} // namespace qdesigner_internal
QT_END_NAMESPACE
#endif // ACTIONREPOSITORY_H