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 // 43 // W A R N I N G 44 // ------------- 45 // 46 // This file is not part of the Qt API. It exists for the convenience 47 // of Qt Designer. This header 48 // file may change from version to version without notice, or even be removed. 49 // 50 // We mean it. 51 // 52 53 #ifndef QDESIGNER_COMMAND2_H 54 #define QDESIGNER_COMMAND2_H 55 56 #include "shared_global_p.h" 57 #include "qdesigner_formwindowcommand_p.h" 58 59 #include <QtGui/QWidget> 60 61 QT_BEGIN_NAMESPACE 62 63 namespace qdesigner_internal { 64 65 class LayoutCommand; 66 class BreakLayoutCommand; 67 68 /* This command changes the type of a managed layout on a widget (including 69 * red layouts of type 'QLayoutWidget') into another type, maintaining the 70 * applicable properties. It does this by chaining BreakLayoutCommand and 71 * LayoutCommand, parametrizing them not to actually delete/reparent 72 * QLayoutWidget's. */ 73 74 class QDESIGNER_SHARED_EXPORT MorphLayoutCommand : public QDesignerFormWindowCommand { 75 Q_DISABLE_COPY(MorphLayoutCommand) 76 public: 77 explicit MorphLayoutCommand(QDesignerFormWindowInterface *formWindow); 78 virtual ~MorphLayoutCommand(); 79 80 bool init(QWidget *w, int newType); 81 82 static bool canMorph(const QDesignerFormWindowInterface *formWindow, QWidget *w, int *ptrToCurrentType = 0); 83 84 virtual void redo(); 85 virtual void undo(); 86 87 private: 88 static QString formatDescription(QDesignerFormEditorInterface *core, const QWidget *w, int oldType, int newType); 89 90 BreakLayoutCommand *m_breakLayoutCommand; 91 LayoutCommand *m_layoutCommand; 92 int m_newType; 93 QWidgetList m_widgets; 94 QWidget *m_layoutBase; 95 }; 96 97 // Change the alignment of a widget in a managed grid/box layout cell. 98 class LayoutAlignmentCommand : public QDesignerFormWindowCommand { 99 Q_DISABLE_COPY(LayoutAlignmentCommand) 100 public: 101 explicit LayoutAlignmentCommand(QDesignerFormWindowInterface *formWindow); 102 103 bool init(QWidget *w, Qt::Alignment alignment); 104 105 virtual void redo(); 106 virtual void undo(); 107 108 // Find out alignment and return whether command is enabled. 109 static Qt::Alignment alignmentOf(const QDesignerFormEditorInterface *core, QWidget *w, bool *enabled = 0); 110 111 private: 112 static void applyAlignment(const QDesignerFormEditorInterface *core, QWidget *w, Qt::Alignment a); 113 114 Qt::Alignment m_newAlignment; 115 Qt::Alignment m_oldAlignment; 116 QWidget *m_widget; 117 }; 118 119 } // namespace qdesigner_internal 120 121 QT_END_NAMESPACE 122 123 #endif // QDESIGNER_COMMAND2_H 124