Implement Cocoa KeyMapper.

Port Qt 4 implementation. Shortcuts such as shift-5
should now work.

Change-Id: I1d8c4c6c4a903142361996b558ee31c8549fcef6
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

1 files changed, 111 insertions, 0 deletions

diff --git a/src/plugins/platforms/cocoa/qcocoakeymapper.h b/src/plugins/platforms/cocoa/qcocoakeymapper.h
new file mode 100644
index 0000000000..693539dd4e
--- /dev/null
+++ b/src/plugins/platforms/cocoa/qcocoakeymapper.h
@@ -0,0 +1,111 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCOCOAKEYMAPPER_H
+#define QCOCOAKEYMAPPER_H
+
+#include <qcocoahelpers.h>
+
+#include <Cocoa/Cocoa.h>
+#include <Carbon/Carbon.h>
+
+#include <QtCore/QList>
+#include <QtGui/QKeyEvent>
+
+QT_BEGIN_NAMESPACE
+
+/*
+    \internal
+    A Mac KeyboardLayoutItem has 8 possible states:
+        1. Unmodified
+        2. Shift
+        3. Control
+        4. Control + Shift
+        5. Alt
+        6. Alt + Shift
+        7. Alt + Control
+        8. Alt + Control + Shift
+        9. Meta
+        10. Meta + Shift
+        11. Meta + Control
+        12. Meta + Control + Shift
+        13. Meta + Alt
+        14. Meta + Alt + Shift
+        15. Meta + Alt + Control
+        16. Meta + Alt + Control + Shift
+*/
+struct KeyboardLayoutItem {
+    bool dirty;
+    quint32 qtKey[16]; // Can by any Qt::Key_<foo>, or unicode character
+};
+
+
+class QCocoaKeyMapper
+{
+public:
+    QCocoaKeyMapper();
+    ~QCocoaKeyMapper();
+    QList<int> possibleKeys(const QKeyEvent *event) const;
+    bool updateKeyboard();
+    void deleteLayouts();
+    void updateKeyMap(unsigned short macVirtualKey, QChar unicodeKey);
+    void clearMappings();
+
+private:
+    QCFType<TISInputSourceRef> currentInputSource;
+
+    QLocale keyboardInputLocale;
+    Qt::LayoutDirection keyboardInputDirection;
+    enum { NullMode, UnicodeMode, OtherMode } keyboard_mode;
+    union {
+        const UCKeyboardLayout *unicode;
+        void *other;
+    } keyboard_layout_format;
+    KeyboardLayoutRef currentKeyboardLayout;
+    KeyboardLayoutKind keyboard_kind;
+    UInt32 keyboard_dead;
+    KeyboardLayoutItem *keyLayout[256];
+};
+
+QT_END_NAMESPACE
+
+#endif
+