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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the plugins of the Qt Toolkit.

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     9 ** $QT_BEGIN_LICENSE:LGPL$

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    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

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    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

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    24 ** In addition, as a special exception, Nokia gives you certain additional

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    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef SIMPLEWIDGETS_H

    43 #define SIMPLEWIDGETS_H

    44 

    45 #include <QtCore/qcoreapplication.h>

    46 #include <QtGui/qaccessible2.h>

    47 #include <QtGui/qaccessiblewidget.h>

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 #ifndef QT_NO_ACCESSIBILITY

    52 

    53 class QAbstractButton;

    54 class QLineEdit;

    55 class QToolButton;

    56 class QProgressBar;

    57 

    58 class QAccessibleButton : public QAccessibleWidgetEx, public QAccessibleActionInterface

    59 {

    60     Q_ACCESSIBLE_OBJECT

    61     Q_DECLARE_TR_FUNCTIONS(QAccessibleButton)

    62 public:

    63     QAccessibleButton(QWidget *w, Role r);

    64 

    65     QString text(Text t, int child) const;

    66     State state(int child) const;

    67 

    68     QString actionText(int action, Text text, int child) const;

    69     bool doAction(int action, int child, const QVariantList &params);

    70 

    71     // QAccessibleActionInterface

    72     int actionCount();

    73     void doAction(int actionIndex);

    74     QString description(int actionIndex);

    75     QString name(int actionIndex);

    76     QString localizedName(int actionIndex);

    77     QStringList keyBindings(int actionIndex);

    78 

    79 protected:

    80     QAbstractButton *button() const;

    81 };

    82 

    83 #ifndef QT_NO_TOOLBUTTON

    84 class QAccessibleToolButton : public QAccessibleButton

    85 {

    86 public:

    87     QAccessibleToolButton(QWidget *w, Role role);

    88 

    89     enum ToolButtonElements {

    90         ToolButtonSelf        = 0,

    91         ButtonExecute,

    92         ButtonDropMenu

    93     };

    94 

    95     Role role(int child) const;

    96     State state(int child) const;

    97 

    98     int childCount() const;

    99     QRect rect(int child) const;

   100 

   101     QString text(Text t, int child) const;

   102 

   103     int actionCount(int child) const;

   104     QString actionText(int action, Text text, int child) const;

   105     bool doAction(int action, int child, const QVariantList &params);

   106 

   107 protected:

   108     QToolButton *toolButton() const;

   109 

   110     bool isSplitButton() const;

   111 };

   112 #endif // QT_NO_TOOLBUTTON

   113 

   114 class QAccessibleDisplay : public QAccessibleWidgetEx

   115 {

   116     Q_ACCESSIBLE_OBJECT

   117 public:

   118     explicit QAccessibleDisplay(QWidget *w, Role role = StaticText);

   119 

   120     QString text(Text t, int child) const;

   121     Role role(int child) const;

   122 

   123     Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;

   124     int navigate(RelationFlag, int entry, QAccessibleInterface **target) const;

   125 };

   126 

   127 #ifndef QT_NO_LINEEDIT

   128 class QAccessibleLineEdit : public QAccessibleWidgetEx, public QAccessibleTextInterface,

   129                             public QAccessibleSimpleEditableTextInterface

   130 {

   131     Q_ACCESSIBLE_OBJECT

   132 public:

   133     explicit QAccessibleLineEdit(QWidget *o, const QString &name = QString());

   134 

   135     QString text(Text t, int child) const;

   136     void setText(Text t, int control, const QString &text);

   137     State state(int child) const;

   138     QVariant invokeMethodEx(QAccessible::Method method, int child, const QVariantList &params);

   139 

   140     // QAccessibleTextInterface

   141     void addSelection(int startOffset, int endOffset);

   142     QString attributes(int offset, int *startOffset, int *endOffset);

   143     int cursorPosition();

   144     QRect characterRect(int offset, QAccessible2::CoordinateType coordType);

   145     int selectionCount();

   146     int offsetAtPoint(const QPoint &point, QAccessible2::CoordinateType coordType);

   147     void selection(int selectionIndex, int *startOffset, int *endOffset);

   148     QString text(int startOffset, int endOffset);

   149     QString textBeforeOffset (int offset, QAccessible2::BoundaryType boundaryType,

   150             int *startOffset, int *endOffset);

   151     QString textAfterOffset(int offset, QAccessible2::BoundaryType boundaryType,

   152             int *startOffset, int *endOffset);

   153     QString textAtOffset(int offset, QAccessible2::BoundaryType boundaryType,

   154             int *startOffset, int *endOffset);

   155     void removeSelection(int selectionIndex);

   156     void setCursorPosition(int position);

   157     void setSelection(int selectionIndex, int startOffset, int endOffset);

   158     int characterCount();

   159     void scrollToSubstring(int startIndex, int endIndex);

   160 

   161 protected:

   162     QLineEdit *lineEdit() const;

   163 };

   164 #endif // QT_NO_LINEEDIT

   165 

   166 #ifndef QT_NO_PROGRESSBAR

   167 class QAccessibleProgressBar : public QAccessibleDisplay, public QAccessibleValueInterface

   168 {

   169     Q_ACCESSIBLE_OBJECT

   170 public:

   171     explicit QAccessibleProgressBar(QWidget *o);

   172 

   173     // QAccessibleValueInterface

   174     QVariant currentValue();

   175     QVariant maximumValue();

   176     QVariant minimumValue();

   177     inline void setCurrentValue(const QVariant &) {}

   178 

   179 protected:

   180     QProgressBar *progressBar() const;

   181 };

   182 #endif

   183 

   184 #endif // QT_NO_ACCESSIBILITY

   185 

   186 QT_END_NAMESPACE

   187 

   188 #endif // SIMPLEWIDGETS_H