1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the Qt Designer of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef LAYOUTDECORATION_H 43 #define LAYOUTDECORATION_H 44 45 #include <QtDesigner/extension.h> 46 47 #include <QtCore/QObject> 48 #include <QtCore/QPair> 49 50 QT_BEGIN_HEADER 51 52 QT_BEGIN_NAMESPACE 53 54 class QPoint; 55 class QLayoutItem; 56 class QWidget; 57 class QRect; 58 class QLayout; 59 60 class QDesignerLayoutDecorationExtension 61 { 62 public: 63 enum InsertMode 64 { 65 InsertWidgetMode, 66 InsertRowMode, 67 InsertColumnMode 68 }; 69 ~QDesignerLayoutDecorationExtension()70 virtual ~QDesignerLayoutDecorationExtension() {} 71 72 virtual QList<QWidget*> widgets(QLayout *layout) const = 0; 73 74 virtual QRect itemInfo(int index) const = 0; 75 virtual int indexOf(QWidget *widget) const = 0; 76 virtual int indexOf(QLayoutItem *item) const = 0; 77 78 virtual InsertMode currentInsertMode() const = 0; 79 virtual int currentIndex() const = 0; 80 virtual QPair<int, int> currentCell() const = 0; 81 virtual void insertWidget(QWidget *widget, const QPair<int, int> &cell) = 0; 82 virtual void removeWidget(QWidget *widget) = 0; 83 84 virtual void insertRow(int row) = 0; 85 virtual void insertColumn(int column) = 0; 86 virtual void simplify() = 0; 87 88 virtual int findItemAt(const QPoint &pos) const = 0; 89 virtual int findItemAt(int row, int column) const = 0; // atm only for grid. 90 91 virtual void adjustIndicator(const QPoint &pos, int index) = 0; 92 }; 93 Q_DECLARE_EXTENSION_INTERFACE(QDesignerLayoutDecorationExtension, "com.trolltech.Qt.Designer.LayoutDecoration") 94 95 QT_END_NAMESPACE 96 97 QT_END_HEADER 98 99 #endif // LAYOUTDECORATION_H 100