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28
29#ifndef QMDIAREA_CONTAINER_H
30#define QMDIAREA_CONTAINER_H
31
32#include <QtDesigner/container.h>
33
34
35#include <qdesigner_propertysheet_p.h>
36#include <extensionfactory_p.h>
37
38#include <QtWidgets/qmdiarea.h>
39
40QT_BEGIN_NAMESPACE
41
42namespace qdesigner_internal {
43
44// Container for QMdiArea
45class QMdiAreaContainer: public QObject, public QDesignerContainerExtension
46{
47 Q_OBJECT
48 Q_INTERFACES(QDesignerContainerExtension)
49public:
50 explicit QMdiAreaContainer(QMdiArea *widget, QObject *parent = nullptr);
51
52 int count() const override;
53 QWidget *widget(int index) const override;
54 int currentIndex() const override;
55 void setCurrentIndex(int index) override;
56 void addWidget(QWidget *widget) override;
57 void insertWidget(int index, QWidget *widget) override;
58 void remove(int index) override;
59
60 // Semismart positioning of a new MDI child after cascading
61 static void positionNewMdiChild(const QWidget *area, QWidget *mdiChild);
62
63private:
64 QMdiArea *m_mdiArea;
65};
66
67// PropertySheet for QMdiArea: Fakes window title and name.
68
69class QMdiAreaPropertySheet: public QDesignerPropertySheet
70{
71 Q_OBJECT
72 Q_INTERFACES(QDesignerPropertySheetExtension)
73public:
74 explicit QMdiAreaPropertySheet(QWidget *mdiArea, QObject *parent = nullptr);
75
76 void setProperty(int index, const QVariant &value) override;
77 bool reset(int index) override;
78 bool isEnabled(int index) const override;
79 bool isChanged(int index) const override;
80 QVariant property(int index) const override;
81
82 // Check whether the property is to be saved. Returns false for the page
83 // properties (as the property sheet has no concept of 'stored')
84 static bool checkProperty(const QString &propertyName);
85
86private:
87 const QString m_windowTitleProperty;
88 QWidget *currentWindow() const;
89 QDesignerPropertySheetExtension *currentWindowSheet() const;
90
91 enum MdiAreaProperty { MdiAreaSubWindowName, MdiAreaSubWindowTitle, MdiAreaNone };
92 static MdiAreaProperty mdiAreaProperty(const QString &name);
93};
94
95// Factories
96
97using QMdiAreaContainerFactory = ExtensionFactory<QDesignerContainerExtension, QMdiArea, QMdiAreaContainer>;
98using QMdiAreaPropertySheetFactory = QDesignerPropertySheetFactory<QMdiArea, QMdiAreaPropertySheet>;
99} // namespace qdesigner_internal
100
101QT_END_NAMESPACE
102
103#endif // QMDIAREA_CONTAINER_H
104

source code of qttools/src/designer/src/components/formeditor/qmdiarea_container.h