1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2016 The Qt Company Ltd. |
4 | ** Contact: https://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the Qt Designer of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
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 https://www.qt.io/terms-conditions. For further |
15 | ** information use the contact form at https://www.qt.io/contact-us. |
16 | ** |
17 | ** GNU General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU |
19 | ** General Public License version 3 as published by the Free Software |
20 | ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT |
21 | ** included in the packaging of this file. Please review the following |
22 | ** information to ensure the GNU General Public License requirements will |
23 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
24 | ** |
25 | ** $QT_END_LICENSE$ |
26 | ** |
27 | ****************************************************************************/ |
28 | |
29 | // |
30 | // W A R N I N G |
31 | // ------------- |
32 | // |
33 | // This file is not part of the Qt API. It exists for the convenience |
34 | // of Qt Designer. This header |
35 | // file may change from version to version without notice, or even be removed. |
36 | // |
37 | // We mean it. |
38 | // |
39 | |
40 | #ifndef QDESIGNER_COMMAND2_H |
41 | #define QDESIGNER_COMMAND2_H |
42 | |
43 | #include "shared_global_p.h" |
44 | #include "qdesigner_formwindowcommand_p.h" |
45 | |
46 | #include <QtWidgets/qwidget.h> |
47 | |
48 | QT_BEGIN_NAMESPACE |
49 | |
50 | namespace qdesigner_internal { |
51 | |
52 | class LayoutCommand; |
53 | class BreakLayoutCommand; |
54 | |
55 | /* This command changes the type of a managed layout on a widget (including |
56 | * red layouts of type 'QLayoutWidget') into another type, maintaining the |
57 | * applicable properties. It does this by chaining BreakLayoutCommand and |
58 | * LayoutCommand, parametrizing them not to actually delete/reparent |
59 | * QLayoutWidget's. */ |
60 | |
61 | class QDESIGNER_SHARED_EXPORT MorphLayoutCommand : public QDesignerFormWindowCommand { |
62 | Q_DISABLE_COPY_MOVE(MorphLayoutCommand) |
63 | public: |
64 | explicit MorphLayoutCommand(QDesignerFormWindowInterface *formWindow); |
65 | ~MorphLayoutCommand() override; |
66 | |
67 | bool init(QWidget *w, int newType); |
68 | |
69 | static bool canMorph(const QDesignerFormWindowInterface *formWindow, QWidget *w, int *ptrToCurrentType = nullptr); |
70 | |
71 | void redo() override; |
72 | void undo() override; |
73 | |
74 | private: |
75 | static QString formatDescription(QDesignerFormEditorInterface *core, const QWidget *w, int oldType, int newType); |
76 | |
77 | BreakLayoutCommand *m_breakLayoutCommand; |
78 | LayoutCommand *m_layoutCommand; |
79 | int m_newType; |
80 | QWidgetList m_widgets; |
81 | QWidget *m_layoutBase; |
82 | }; |
83 | |
84 | // Change the alignment of a widget in a managed grid/box layout cell. |
85 | class LayoutAlignmentCommand : public QDesignerFormWindowCommand { |
86 | Q_DISABLE_COPY_MOVE(LayoutAlignmentCommand) |
87 | public: |
88 | explicit LayoutAlignmentCommand(QDesignerFormWindowInterface *formWindow); |
89 | |
90 | bool init(QWidget *w, Qt::Alignment alignment); |
91 | |
92 | void redo() override; |
93 | void undo() override; |
94 | |
95 | // Find out alignment and return whether command is enabled. |
96 | static Qt::Alignment alignmentOf(const QDesignerFormEditorInterface *core, QWidget *w, bool *enabled = nullptr); |
97 | |
98 | private: |
99 | static void applyAlignment(const QDesignerFormEditorInterface *core, QWidget *w, Qt::Alignment a); |
100 | |
101 | Qt::Alignment m_newAlignment; |
102 | Qt::Alignment m_oldAlignment; |
103 | QWidget *m_widget; |
104 | }; |
105 | |
106 | } // namespace qdesigner_internal |
107 | |
108 | QT_END_NAMESPACE |
109 | |
110 | #endif // QDESIGNER_COMMAND2_H |
111 | |