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 LAYOUTINFO_H |
41 | #define LAYOUTINFO_H |
42 | |
43 | #include "shared_global_p.h" |
44 | |
45 | QT_BEGIN_NAMESPACE |
46 | |
47 | class QWidget; |
48 | class QLayout; |
49 | class QLayoutItem; |
50 | class QDesignerFormEditorInterface; |
51 | class QFormLayout; |
52 | class QRect; |
53 | class QString; |
54 | |
55 | namespace qdesigner_internal { |
56 | |
57 | class QDESIGNER_SHARED_EXPORT LayoutInfo |
58 | { |
59 | public: |
60 | enum Type |
61 | { |
62 | NoLayout, |
63 | HSplitter, |
64 | VSplitter, |
65 | HBox, |
66 | VBox, |
67 | Grid, |
68 | Form, |
69 | UnknownLayout // QDockWindow inside QMainWindow is inside QMainWindowLayout - it doesn't mean there is no layout |
70 | }; |
71 | |
72 | static void deleteLayout(const QDesignerFormEditorInterface *core, QWidget *widget); |
73 | |
74 | // Examines the immediate layout of the widget. |
75 | static Type layoutType(const QDesignerFormEditorInterface *core, const QWidget *w); |
76 | // Examines the managed layout of the widget |
77 | static Type managedLayoutType(const QDesignerFormEditorInterface *core, const QWidget *w, QLayout **layout = nullptr); |
78 | static Type layoutType(const QDesignerFormEditorInterface *core, const QLayout *layout); |
79 | static Type layoutType(const QString &typeName); |
80 | static QString layoutName(Type t); |
81 | |
82 | static QWidget *layoutParent(const QDesignerFormEditorInterface *core, QLayout *layout); |
83 | |
84 | static Type laidoutWidgetType(const QDesignerFormEditorInterface *core, QWidget *widget, bool *isManaged = nullptr, QLayout **layout = nullptr); |
85 | static bool inline isWidgetLaidout(const QDesignerFormEditorInterface *core, QWidget *widget) { return laidoutWidgetType(core, widget) != NoLayout; } |
86 | |
87 | static QLayout *managedLayout(const QDesignerFormEditorInterface *core, const QWidget *widget); |
88 | static QLayout *managedLayout(const QDesignerFormEditorInterface *core, QLayout *layout); |
89 | static QLayout *internalLayout(const QWidget *widget); |
90 | |
91 | // Is it a a dummy grid placeholder created by Designer? |
92 | static bool isEmptyItem(QLayoutItem *item); |
93 | }; |
94 | |
95 | QDESIGNER_SHARED_EXPORT void getFormLayoutItemPosition(const QFormLayout *formLayout, int index, int *rowPtr, int *columnPtr = nullptr, int *rowspanPtr = nullptr, int *colspanPtr = nullptr); |
96 | QDESIGNER_SHARED_EXPORT void formLayoutAddWidget(QFormLayout *formLayout, QWidget *w, const QRect &r, bool insert); |
97 | } // namespace qdesigner_internal |
98 | |
99 | QT_END_NAMESPACE |
100 | |
101 | #endif // LAYOUTINFO_H |
102 | |