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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qvarlengtharray.h>
+#include <qwidget.h>
+#include <private/qmacinputcontext_p.h>
+#include "qtextformat.h"
+#include <qdebug.h>
+#include <private/qapplication_p.h>
+
+QT_BEGIN_NAMESPACE
+
+extern bool qt_sendSpontaneousEvent(QObject*, QEvent*);
+
+#if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5)
+# define typeRefCon typeSInt32
+# define typeByteCount typeSInt32
+#endif
+
+static QTextFormat qt_mac_compose_format()
+{
+ QTextCharFormat ret;
+ ret.setFontUnderline(true);
+ return ret;
+}
+
+QMacInputContext::QMacInputContext(QObject *parent)
+ : QInputContext(parent), composing(false), recursionGuard(false), textDocument(0)
+{
+// createTextDocument();
+}
+
+QMacInputContext::~QMacInputContext()
+{
+#ifdef Q_WS_MAC32
+ if(textDocument)
+ DeleteTSMDocument(textDocument);
+#endif
+}
+
+void
+QMacInputContext::createTextDocument()
+{
+#ifdef Q_WS_MAC32
+ if(!textDocument) {
+ InterfaceTypeList itl = { kUnicodeDocument };
+ NewTSMDocument(1, itl, &textDocument, SRefCon(this));
+ }
+#endif
+}
+
+
+QString QMacInputContext::language()
+{
+ return QString();
+}
+
+
+void QMacInputContext::mouseHandler(int pos, QMouseEvent *e)
+{
+#ifdef Q_WS_MAC32
+ if(e->type() != QEvent::MouseButtonPress)
+ return;
+
+ if (!composing)
+ return;
+ if (pos < 0 || pos > currentText.length())
+ reset();
+ // ##### handle mouse position
+#endif
+}
+
+#if !defined QT_MAC_USE_COCOA
+
+void QMacInputContext::reset()
+{
+ if (recursionGuard)
+ return;
+ if (!currentText.isEmpty()){
+ QInputMethodEvent e;
+ e.setCommitString(currentText);
+ qt_sendSpontaneousEvent(focusWidget(), &e);
+ currentText = QString();
+ }
+ recursionGuard = true;
+ createTextDocument();
+ composing = false;
+ ActivateTSMDocument(textDocument);
+ FixTSMDocument(textDocument);
+ recursionGuard = false;
+}
+
+bool QMacInputContext::isComposing() const
+{
+ return composing;
+}
+#endif
+
+void QMacInputContext::setFocusWidget(QWidget *w)
+{
+ createTextDocument();
+#ifdef Q_WS_MAC32
+ if(w)
+ ActivateTSMDocument(textDocument);
+ else
+ DeactivateTSMDocument(textDocument);
+#endif
+ QInputContext::setFocusWidget(w);
+}
+
+
+static EventTypeSpec input_events[] = {
+ { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent },
+ { kEventClassTextInput, kEventTextInputOffsetToPos },
+ { kEventClassTextInput, kEventTextInputUpdateActiveInputArea }
+};
+static EventHandlerUPP input_proc_handlerUPP = 0;
+static EventHandlerRef input_proc_handler = 0;
+
+void
+QMacInputContext::initialize()
+{
+#ifdef Q_WS_MAC32
+ if(!input_proc_handler) {
+ input_proc_handlerUPP = NewEventHandlerUPP(QMacInputContext::globalEventProcessor);
+ InstallEventHandler(GetApplicationEventTarget(), input_proc_handlerUPP,
+ GetEventTypeCount(input_events), input_events,
+ 0, &input_proc_handler);
+ }
+#endif
+}
+
+void
+QMacInputContext::cleanup()
+{
+#ifdef Q_WS_MAC32
+ if(input_proc_handler) {
+ RemoveEventHandler(input_proc_handler);
+ input_proc_handler = 0;
+ }
+ if(input_proc_handlerUPP) {
+ DisposeEventHandlerUPP(input_proc_handlerUPP);
+ input_proc_handlerUPP = 0;
+ }
+#endif
+}
+
+OSStatus
+QMacInputContext::globalEventProcessor(EventHandlerCallRef, EventRef event, void *)
+{
+#ifdef Q_WS_MAC32
+ QScopedLoopLevelCounter loopLevelCounter(QApplicationPrivate::instance()->threadData);
+
+ SRefCon refcon = 0;
+ GetEventParameter(event, kEventParamTextInputSendRefCon, typeRefCon, 0,
+ sizeof(refcon), 0, &refcon);
+ QMacInputContext *context = reinterpret_cast<QMacInputContext*>(refcon);
+
+ bool handled_event=true;
+ UInt32 ekind = GetEventKind(event), eclass = GetEventClass(event);
+ switch(eclass) {
+ case kEventClassTextInput: {
+ handled_event = false;
+ QWidget *widget = QApplicationPrivate::focus_widget;
+ if(!widget || (context && widget->inputContext() != context)) {
+ handled_event = false;
+ } else if(ekind == kEventTextInputOffsetToPos) {
+ if(!widget->testAttribute(Qt::WA_InputMethodEnabled)) {
+ handled_event = false;
+ break;
+ }
+
+ QRect mr(widget->inputMethodQuery(Qt::ImMicroFocus).toRect());
+ QPoint mp(widget->mapToGlobal(QPoint(mr.topLeft())));
+ Point pt;
+ pt.h = mp.x();
+ pt.v = mp.y() + mr.height();
+ SetEventParameter(event, kEventParamTextInputReplyPoint, typeQDPoint,
+ sizeof(pt), &pt);
+ handled_event = true;
+ } else if(ekind == kEventTextInputUpdateActiveInputArea) {
+ if(!widget->testAttribute(Qt::WA_InputMethodEnabled)) {
+ handled_event = false;
+ break;
+ }
+
+ if (context->recursionGuard)
+ break;
+
+ ByteCount unilen = 0;
+ GetEventParameter(event, kEventParamTextInputSendText, typeUnicodeText,
+ 0, 0, &unilen, 0);
+ UniChar *unicode = (UniChar*)NewPtr(unilen);
+ GetEventParameter(event, kEventParamTextInputSendText, typeUnicodeText,
+ 0, unilen, 0, unicode);
+ QString text((QChar*)unicode, unilen / sizeof(UniChar));
+ DisposePtr((char*)unicode);
+
+ ByteCount fixed_length = 0;
+ GetEventParameter(event, kEventParamTextInputSendFixLen, typeByteCount, 0,
+ sizeof(fixed_length), 0, &fixed_length);
+ if(fixed_length == ULONG_MAX || fixed_length == unilen) {
+ QInputMethodEvent e;
+ e.setCommitString(text);
+ context->currentText = QString();
+ qt_sendSpontaneousEvent(context->focusWidget(), &e);
+ handled_event = true;
+ context->reset();
+ } else {
+ ByteCount rngSize = 0;
+ OSStatus err = GetEventParameter(event, kEventParamTextInputSendHiliteRng, typeTextRangeArray, 0,
+ 0, &rngSize, 0);
+ QVarLengthArray<TextRangeArray> highlight(rngSize);
+ if (noErr == err) {
+ err = GetEventParameter(event, kEventParamTextInputSendHiliteRng, typeTextRangeArray, 0,
+ rngSize, &rngSize, highlight.data());
+ }
+ context->composing = true;
+ if(fixed_length > 0) {
+ const int qFixedLength = fixed_length / sizeof(UniChar);
+ QList<QInputMethodEvent::Attribute> attrs;
+ attrs << QInputMethodEvent::Attribute(QInputMethodEvent::TextFormat,
+ qFixedLength, text.length()-qFixedLength,
+ qt_mac_compose_format());
+ QInputMethodEvent e(text, attrs);
+ context->currentText = text;
+ e.setCommitString(text.left(qFixedLength), 0, qFixedLength);
+ qt_sendSpontaneousEvent(widget, &e);
+ handled_event = true;
+ } else {
+ /* Apple's enums that they have removed from Tiger :(
+ enum {
+ kCaretPosition = 1,
+ kRawText = 2,
+ kSelectedRawText = 3,
+ kConvertedText = 4,
+ kSelectedConvertedText = 5,
+ kBlockFillText = 6,
+ kOutlineText = 7,
+ kSelectedText = 8
+ };
+ */
+#ifndef kConvertedText
+#define kConvertedText 4
+#endif
+#ifndef kCaretPosition
+#define kCaretPosition 1
+#endif
+ QList<QInputMethodEvent::Attribute> attrs;
+ if (!highlight.isEmpty()) {
+ TextRangeArray *data = highlight.data();
+ for (int i = 0; i < data->fNumOfRanges; ++i) {
+ int start = data->fRange[i].fStart / sizeof(UniChar);
+ int len = (data->fRange[i].fEnd - data->fRange[i].fStart) / sizeof(UniChar);
+ if (data->fRange[i].fHiliteStyle == kCaretPosition) {
+ attrs << QInputMethodEvent::Attribute(QInputMethodEvent::Cursor, start, 0, QVariant());
+ continue;
+ }
+ QTextCharFormat format;
+ format.setFontUnderline(true);
+ if (data->fRange[i].fHiliteStyle == kConvertedText)
+ format.setUnderlineColor(Qt::gray);
+ else
+ format.setUnderlineColor(Qt::black);
+ attrs << QInputMethodEvent::Attribute(QInputMethodEvent::TextFormat, start, len, format);
+ }
+ } else {
+ attrs << QInputMethodEvent::Attribute(QInputMethodEvent::TextFormat,
+ 0, text.length(), qt_mac_compose_format());
+ }
+ context->currentText = text;
+ QInputMethodEvent e(text, attrs);
+ qt_sendSpontaneousEvent(widget, &e);
+ handled_event = true;
+ }
+ }
+#if 0
+ if(!context->composing)
+ handled_event = false;
+#endif
+
+ extern bool qt_mac_eat_unicode_key; //qapplication_mac.cpp
+ qt_mac_eat_unicode_key = handled_event;
+ } else if(ekind == kEventTextInputUnicodeForKeyEvent) {
+ EventRef key_ev = 0;
+ GetEventParameter(event, kEventParamTextInputSendKeyboardEvent, typeEventRef, 0,
+ sizeof(key_ev), 0, &key_ev);
+ QString text;
+ ByteCount unilen = 0;
+ if(GetEventParameter(key_ev, kEventParamKeyUnicodes, typeUnicodeText, 0, 0, &unilen, 0) == noErr) {
+ UniChar *unicode = (UniChar*)NewPtr(unilen);
+ GetEventParameter(key_ev, kEventParamKeyUnicodes, typeUnicodeText, 0, unilen, 0, unicode);
+ text = QString((QChar*)unicode, unilen / sizeof(UniChar));
+ DisposePtr((char*)unicode);
+ }
+ unsigned char chr = 0;
+ GetEventParameter(key_ev, kEventParamKeyMacCharCodes, typeChar, 0, sizeof(chr), 0, &chr);
+ if(!chr || chr >= 128 || (text.length() > 0 && (text.length() > 1 || text.at(0) != QLatin1Char(chr))))
+ handled_event = !widget->testAttribute(Qt::WA_InputMethodEnabled);
+ }
+ break; }
+ default:
+ break;
+ }
+ if(!handled_event) //let the event go through
+ return eventNotHandledErr;
+#endif
+ return noErr; //we eat the event
+}
+
+QT_END_NAMESPACE