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39
40#ifndef COMPLEXWIDGETS_H
41#define COMPLEXWIDGETS_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtWidgets/private/qtwidgetsglobal_p.h>
55#include <QtCore/qpointer.h>
56#include <QtWidgets/qaccessiblewidget.h>
57#if QT_CONFIG(itemviews)
58#include <QtWidgets/qabstractitemview.h>
59#endif
60
61QT_BEGIN_NAMESPACE
62
63#ifndef QT_NO_ACCESSIBILITY
64
65class QAbstractButton;
66class QHeaderView;
67class QTabBar;
68class QComboBox;
69class QTitleBar;
70class QAbstractScrollArea;
71class QScrollArea;
72
73#if QT_CONFIG(scrollarea)
74class QAccessibleAbstractScrollArea : public QAccessibleWidget
75{
76public:
77 explicit QAccessibleAbstractScrollArea(QWidget *widget);
78
79 enum AbstractScrollAreaElement {
80 Self = 0,
81 Viewport,
82 HorizontalContainer,
83 VerticalContainer,
84 CornerWidget,
85 Undefined
86 };
87
88 QAccessibleInterface *child(int index) const override;
89 int childCount() const override;
90 int indexOfChild(const QAccessibleInterface *child) const override;
91 bool isValid() const override;
92 QAccessibleInterface *childAt(int x, int y) const override;
93 QAbstractScrollArea *abstractScrollArea() const;
94
95private:
96 QWidgetList accessibleChildren() const;
97 AbstractScrollAreaElement elementType(QWidget *widget) const;
98 bool isLeftToRight() const;
99};
100
101class QAccessibleScrollArea : public QAccessibleAbstractScrollArea
102{
103public:
104 explicit QAccessibleScrollArea(QWidget *widget);
105};
106#endif // QT_CONFIG(scrollarea)
107
108#if QT_CONFIG(tabbar)
109class QAccessibleTabBar : public QAccessibleWidget
110{
111public:
112 explicit QAccessibleTabBar(QWidget *w);
113 ~QAccessibleTabBar();
114
115 QAccessibleInterface *focusChild() const override;
116 int childCount() const override;
117 QString text(QAccessible::Text t) const override;
118
119 QAccessibleInterface* child(int index) const override;
120 int indexOfChild(const QAccessibleInterface *child) const override;
121
122protected:
123 QTabBar *tabBar() const;
124 mutable QHash<int, QAccessible::Id> m_childInterfaces;
125};
126#endif // QT_CONFIG(tabbar)
127
128#if QT_CONFIG(combobox)
129class QAccessibleComboBox : public QAccessibleWidget
130{
131public:
132 explicit QAccessibleComboBox(QWidget *w);
133
134 int childCount() const override;
135 QAccessibleInterface *childAt(int x, int y) const override;
136 int indexOfChild(const QAccessibleInterface *child) const override;
137 QAccessibleInterface* child(int index) const override;
138
139 QString text(QAccessible::Text t) const override;
140
141 // QAccessibleActionInterface
142 QStringList actionNames() const override;
143 QString localizedActionDescription(const QString &actionName) const override;
144 void doAction(const QString &actionName) override;
145 QStringList keyBindingsForAction(const QString &actionName) const override;
146
147protected:
148 QComboBox *comboBox() const;
149};
150#endif // QT_CONFIG(combobox)
151
152#endif // QT_NO_ACCESSIBILITY
153
154QT_END_NAMESPACE
155
156#endif // COMPLEXWIDGETS_H
157

source code of qtbase/src/widgets/accessible/complexwidgets_p.h