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#ifndef QT_NO_IM
#include "qcoefepinputcontext_p.h"
#include <qapplication.h>
#include <qtextformat.h>
#include <private/qcore_symbian_p.h>
#include <fepitfr.h>
#include <hal.h>
#include <limits.h>
// You only find these enumerations on SDK 5 onwards, so we need to provide our own
// to remain compatible with older releases. They won't be called by pre-5.0 SDKs.
// MAknEdStateObserver::EAknCursorPositionChanged
#define QT_EAknCursorPositionChanged MAknEdStateObserver::EAknEdwinStateEvent(6)
// MAknEdStateObserver::EAknActivatePenInputRequest
#define QT_EAknActivatePenInputRequest MAknEdStateObserver::EAknEdwinStateEvent(7)
QT_BEGIN_NAMESPACE
QCoeFepInputContext::QCoeFepInputContext(QObject *parent)
: QInputContext(parent),
m_fepState(q_check_ptr(new CAknEdwinState)), // CBase derived object needs check on new
m_lastImHints(Qt::ImhNone),
m_textCapabilities(TCoeInputCapabilities::EAllText),
m_inDestruction(false),
m_pendingInputCapabilitiesChanged(false),
m_cursorVisibility(1),
m_inlinePosition(0),
m_formatRetriever(0),
m_pointerHandler(0),
m_cursorPos(0),
m_hasTempPreeditString(false)
{
m_fepState->SetObjectProvider(this);
m_fepState->SetFlags(EAknEditorFlagDefault);
m_fepState->SetDefaultInputMode( EAknEditorTextInputMode );
m_fepState->SetPermittedInputModes( EAknEditorAllInputModes );
m_fepState->SetDefaultCase( EAknEditorLowerCase );
m_fepState->SetPermittedCases( EAknEditorLowerCase|EAknEditorUpperCase );
m_fepState->SetSpecialCharacterTableResourceId(R_AVKON_SPECIAL_CHARACTER_TABLE_DIALOG);
m_fepState->SetNumericKeymap( EAknEditorStandardNumberModeKeymap );
}
QCoeFepInputContext::~QCoeFepInputContext()
{
m_inDestruction = true;
// This is to make sure that the FEP manager "forgets" about us,
// otherwise we may get callbacks even after we're destroyed.
// The call below is essentially equivalent to InputCapabilitiesChanged(),
// but is synchronous, rather than asynchronous.
CCoeEnv::Static()->SyncNotifyFocusObserversOfChangeInFocus();
if (m_fepState)
delete m_fepState;
}
void QCoeFepInputContext::reset()
{
commitCurrentString(true);
}
void QCoeFepInputContext::ReportAknEdStateEvent(MAknEdStateObserver::EAknEdwinStateEvent aEventType)
{
QT_TRAP_THROWING(m_fepState->ReportAknEdStateEventL(aEventType));
}
void QCoeFepInputContext::update()
{
updateHints(false);
// For pre-5.0 SDKs, we don't do text updates on S60 side.
if (QSysInfo::s60Version() < QSysInfo::SV_S60_5_0) {
return;
}
// Don't be fooled (as I was) by the name of this enumeration.
// What it really does is tell the virtual keyboard UI that the text has been
// updated and it should be reflected in the internal display of the VK.
ReportAknEdStateEvent(QT_EAknCursorPositionChanged);
}
void QCoeFepInputContext::setFocusWidget(QWidget *w)
{
commitCurrentString(true);
QInputContext::setFocusWidget(w);
updateHints(true);
}
void QCoeFepInputContext::widgetDestroyed(QWidget *w)
{
// Make sure that the input capabilities of whatever new widget got focused are queried.
CCoeControl *ctrl = w->effectiveWinId();
if (ctrl->IsFocused()) {
queueInputCapabilitiesChanged();
}
}
QString QCoeFepInputContext::language()
{
TLanguage lang = m_fepState->LocalLanguage();
const QByteArray localeName = qt_symbianLocaleName(lang);
if (!localeName.isEmpty()) {
return QString::fromLatin1(localeName);
} else {
return QString::fromLatin1("C");
}
}
bool QCoeFepInputContext::needsInputPanel()
{
switch (QSysInfo::s60Version()) {
case QSysInfo::SV_S60_3_1:
case QSysInfo::SV_S60_3_2:
// There are no touch phones for pre-5.0 SDKs.
return false;
#ifdef Q_CC_NOKIAX86
default:
// For emulator we assume that we need an input panel, since we can't
// separate between phone types.
return true;
#else
case QSysInfo::SV_S60_5_0: {
// For SDK == 5.0, we need phone specific detection, since the HAL API
// is no good on most phones. However, all phones at the time of writing use the
// input panel, except N97 in landscape mode, but in this mode it refuses to bring
// up the panel anyway, so we don't have to care.
return true;
}
default:
// For unknown/newer types, we try to use the HAL API.
int keyboardEnabled;
int keyboardType;
int err[2];
err[0] = HAL::Get(HAL::EKeyboard, keyboardType);
err[1] = HAL::Get(HAL::EKeyboardState, keyboardEnabled);
if (err[0] == KErrNone && err[1] == KErrNone
&& keyboardType != 0 && keyboardEnabled)
// Means that we have some sort of keyboard.
return false;
// Fall back to using the input panel.
return true;
#endif // !Q_CC_NOKIAX86
}
}
bool QCoeFepInputContext::filterEvent(const QEvent *event)
{
// The CloseSoftwareInputPanel event is not handled here, because the VK will automatically
// close when it discovers that the underlying widget does not have input capabilities.
if (!focusWidget())
return false;
switch (event->type()) {
case QEvent::KeyPress:
commitTemporaryPreeditString();
// fall through intended
case QEvent::KeyRelease:
const QKeyEvent *keyEvent = static_cast<const QKeyEvent *>(event);
switch (keyEvent->key()) {
case Qt::Key_F20:
Q_ASSERT(m_lastImHints == focusWidget()->inputMethodHints());
if (m_lastImHints & Qt::ImhHiddenText) {
// Special case in Symbian. On editors with secret text, F20 is for some reason
// considered to be a backspace.
QKeyEvent modifiedEvent(keyEvent->type(), Qt::Key_Backspace, keyEvent->modifiers(),
keyEvent->text(), keyEvent->isAutoRepeat(), keyEvent->count());
QApplication::sendEvent(focusWidget(), &modifiedEvent);
return true;
}
break;
case Qt::Key_Select:
if (!m_preeditString.isEmpty()) {
commitCurrentString(true);
return true;
}
break;
default:
break;
}
if (keyEvent->type() == QEvent::KeyPress
&& focusWidget()->inputMethodHints() & Qt::ImhHiddenText
&& !keyEvent->text().isEmpty()) {
// Send some temporary preedit text in order to make text visible for a moment.
m_cursorPos = focusWidget()->inputMethodQuery(Qt::ImCursorPosition).toInt();
m_preeditString = keyEvent->text();
QList<QInputMethodEvent::Attribute> attributes;
QInputMethodEvent imEvent(m_preeditString, attributes);
sendEvent(imEvent);
m_tempPreeditStringTimeout.start(1000, this);
m_hasTempPreeditString = true;
update();
return true;
}
break;
}
if (!needsInputPanel())
return false;
if (event->type() == QEvent::RequestSoftwareInputPanel) {
// Notify S60 that we want the virtual keyboard to show up.
QSymbianControl *sControl;
sControl = focusWidget()->effectiveWinId()->MopGetObject(sControl);
Q_ASSERT(sControl);
// The FEP UI temporarily steals focus when it shows up the first time, causing
// all sorts of weird effects on the focused widgets. Since it will immediately give
// back focus to us, we temporarily disable focus handling until the job's done.
if (sControl) {
sControl->setIgnoreFocusChanged(true);
}
ensureInputCapabilitiesChanged();
m_fepState->ReportAknEdStateEventL(MAknEdStateObserver::QT_EAknActivatePenInputRequest);
if (sControl) {
sControl->setIgnoreFocusChanged(false);
}
return true;
}
return false;
}
void QCoeFepInputContext::timerEvent(QTimerEvent *timerEvent)
{
if (timerEvent->timerId() == m_tempPreeditStringTimeout.timerId())
commitTemporaryPreeditString();
}
void QCoeFepInputContext::commitTemporaryPreeditString()
{
if (m_tempPreeditStringTimeout.isActive())
m_tempPreeditStringTimeout.stop();
if (!m_hasTempPreeditString)
return;
commitCurrentString(false);
}
void QCoeFepInputContext::mouseHandler( int x, QMouseEvent *event)
{
Q_ASSERT(focusWidget());
if (event->type() == QEvent::MouseButtonPress && event->button() == Qt::LeftButton) {
commitCurrentString(true);
int pos = focusWidget()->inputMethodQuery(Qt::ImCursorPosition).toInt();
QList<QInputMethodEvent::Attribute> attributes;
attributes << QInputMethodEvent::Attribute(QInputMethodEvent::Selection, pos + x, 0, QVariant());
QInputMethodEvent event(QLatin1String(""), attributes);
sendEvent(event);
}
}
TCoeInputCapabilities QCoeFepInputContext::inputCapabilities()
{
if (m_inDestruction || !focusWidget()) {
return TCoeInputCapabilities(TCoeInputCapabilities::ENone, 0, 0);
}
return TCoeInputCapabilities(m_textCapabilities, this, 0);
}
static QTextCharFormat qt_TCharFormat2QTextCharFormat(const TCharFormat &cFormat)
{
QTextCharFormat qFormat;
QBrush foreground(QColor(cFormat.iFontPresentation.iTextColor.Internal()));
qFormat.setForeground(foreground);
qFormat.setFontStrikeOut(cFormat.iFontPresentation.iStrikethrough == EStrikethroughOn);
qFormat.setFontUnderline(cFormat.iFontPresentation.iUnderline == EUnderlineOn);
return qFormat;
}
void QCoeFepInputContext::updateHints(bool mustUpdateInputCapabilities)
{
QWidget *w = focusWidget();
if (w) {
Qt::InputMethodHints hints = w->inputMethodHints();
if (hints != m_lastImHints) {
m_lastImHints = hints;
applyHints(hints);
} else if (!mustUpdateInputCapabilities) {
// Optimization. Return immediately if there was no change.
return;
}
}
queueInputCapabilitiesChanged();
}
void QCoeFepInputContext::applyHints(Qt::InputMethodHints hints)
{
using namespace Qt;
commitTemporaryPreeditString();
bool numbersOnly = hints & ImhDigitsOnly || hints & ImhFormattedNumbersOnly
|| hints & ImhDialableCharactersOnly;
bool noOnlys = !(numbersOnly || hints & ImhUppercaseOnly
|| hints & ImhLowercaseOnly);
TInt flags;
Qt::InputMethodHints oldHints = hints;
// Some sanity checking. Make sure that only one preference is set.
InputMethodHints prefs = ImhPreferNumbers | ImhPreferUppercase | ImhPreferLowercase;
prefs &= hints;
if (prefs != ImhPreferNumbers && prefs != ImhPreferUppercase && prefs != ImhPreferLowercase) {
hints &= ~prefs;
}
if (!noOnlys) {
// Make sure that the preference is within the permitted set.
if (hints & ImhPreferNumbers && !(hints & ImhDigitsOnly || hints & ImhFormattedNumbersOnly
|| hints & ImhDialableCharactersOnly)) {
hints &= ~ImhPreferNumbers;
} else if (hints & ImhPreferUppercase && !(hints & ImhUppercaseOnly)) {
hints &= ~ImhPreferUppercase;
} else if (hints & ImhPreferLowercase && !(hints & ImhLowercaseOnly)) {
hints &= ~ImhPreferLowercase;
}
// If there is no preference, set it to something within the permitted set.
if (!(hints & ImhPreferNumbers || hints & ImhPreferUppercase || hints & ImhPreferLowercase)) {
if (hints & ImhLowercaseOnly) {
hints |= ImhPreferLowercase;
} else if (hints & ImhUppercaseOnly) {
hints |= ImhPreferUppercase;
} else if (hints & ImhDigitsOnly || hints & ImhFormattedNumbersOnly
|| hints & ImhDialableCharactersOnly) {
hints |= ImhPreferNumbers;
}
}
}
if (hints & ImhPreferNumbers) {
m_fepState->SetDefaultInputMode(EAknEditorNumericInputMode);
m_fepState->SetCurrentInputMode(EAknEditorNumericInputMode);
} else {
m_fepState->SetDefaultInputMode(EAknEditorTextInputMode);
m_fepState->SetCurrentInputMode(EAknEditorTextInputMode);
}
flags = 0;
if (numbersOnly) {
flags |= EAknEditorNumericInputMode;
}
if (hints & ImhUppercaseOnly || hints & ImhLowercaseOnly) {
flags |= EAknEditorTextInputMode;
}
if (flags == 0) {
flags = EAknEditorAllInputModes;
}
m_fepState->SetPermittedInputModes(flags);
ReportAknEdStateEvent(MAknEdStateObserver::EAknEdwinStateInputModeUpdate);
if (hints & ImhPreferLowercase) {
m_fepState->SetDefaultCase(EAknEditorLowerCase);
m_fepState->SetCurrentCase(EAknEditorLowerCase);
} else if (hints & ImhPreferUppercase) {
m_fepState->SetDefaultCase(EAknEditorUpperCase);
m_fepState->SetCurrentCase(EAknEditorUpperCase);
} else if (hints & ImhNoAutoUppercase) {
m_fepState->SetDefaultCase(EAknEditorLowerCase);
m_fepState->SetCurrentCase(EAknEditorLowerCase);
} else {
m_fepState->SetDefaultCase(EAknEditorTextCase);
m_fepState->SetCurrentCase(EAknEditorTextCase);
}
flags = 0;
if (hints & ImhUppercaseOnly) {
flags |= EAknEditorUpperCase;
}
if (hints & ImhLowercaseOnly) {
flags |= EAknEditorLowerCase;
}
if (flags == 0) {
flags = EAknEditorAllCaseModes;
if (hints & ImhNoAutoUppercase) {
flags &= ~EAknEditorTextCase;
}
}
m_fepState->SetPermittedCases(flags);
ReportAknEdStateEvent(MAknEdStateObserver::EAknEdwinStateCaseModeUpdate);
flags = 0;
if (hints & ImhUppercaseOnly && !(hints & ImhLowercaseOnly)
|| hints & ImhLowercaseOnly && !(hints & ImhUppercaseOnly)) {
flags |= EAknEditorFlagFixedCase;
}
// Using T9 and hidden text together may actually crash the FEP, so check for hidden text too.
if (hints & ImhNoPredictiveText || hints & ImhHiddenText) {
flags |= EAknEditorFlagNoT9;
}
m_fepState->SetFlags(flags);
ReportAknEdStateEvent(MAknEdStateObserver::EAknEdwinStateFlagsUpdate);
if (hints & ImhFormattedNumbersOnly) {
flags = EAknEditorCalculatorNumberModeKeymap;
} else if (hints & ImhDigitsOnly) {
flags = EAknEditorPlainNumberModeKeymap;
} else {
// ImhDialableCharactersOnly is the fallback as well, so we don't need to check for
// that flag.
flags = EAknEditorStandardNumberModeKeymap;
}
m_fepState->SetNumericKeymap(static_cast<TAknEditorNumericKeymap>(flags));
if (hints & ImhEmailCharactersOnly) {
m_fepState->SetSpecialCharacterTableResourceId(R_AVKON_EMAIL_ADDR_SPECIAL_CHARACTER_TABLE_DIALOG);
} else if (hints & ImhUrlCharactersOnly) {
m_fepState->SetSpecialCharacterTableResourceId(R_AVKON_URL_SPECIAL_CHARACTER_TABLE_DIALOG);
} else {
m_fepState->SetSpecialCharacterTableResourceId(R_AVKON_SPECIAL_CHARACTER_TABLE_DIALOG);
}
if (hints & ImhHiddenText) {
m_textCapabilities = TCoeInputCapabilities::EAllText | TCoeInputCapabilities::ESecretText;
} else {
m_textCapabilities = TCoeInputCapabilities::EAllText;
}
}
void QCoeFepInputContext::applyFormat(QList<QInputMethodEvent::Attribute> *attributes)
{
TCharFormat cFormat;
QColor styleTextColor = QApplication::palette("QLineEdit").text().color();
TLogicalRgb tontColor(TRgb(styleTextColor.red(), styleTextColor.green(), styleTextColor.blue(), styleTextColor.alpha()));
cFormat.iFontPresentation.iTextColor = tontColor;
TInt numChars = 0;
TInt charPos = 0;
int oldSize = attributes->size();
while (m_formatRetriever) {
m_formatRetriever->GetFormatOfFepInlineText(cFormat, numChars, charPos);
if (numChars <= 0) {
// This shouldn't happen according to S60 docs, but apparently does sometimes.
break;
}
attributes->append(QInputMethodEvent::Attribute(QInputMethodEvent::TextFormat,
charPos,
numChars,
QVariant(qt_TCharFormat2QTextCharFormat(cFormat))));
charPos += numChars;
if (charPos >= m_preeditString.size()) {
break;
}
}
if (attributes->size() == oldSize) {
// S60 didn't provide any format, so let's give our own instead.
attributes->append(QInputMethodEvent::Attribute(QInputMethodEvent::TextFormat,
0,
m_preeditString.size(),
standardFormat(PreeditFormat)));
}
}
void QCoeFepInputContext::queueInputCapabilitiesChanged()
{
if (m_pendingInputCapabilitiesChanged)
return;
// Call ensureInputCapabilitiesChanged asynchronously. This is done to improve performance
// by not updating input capabilities too often. The reason we don't call the Symbian
// asynchronous version of InputCapabilitiesChanged is because we need to ensure that it
// is synchronous in some specific cases. Those will call ensureInputCapabilitesChanged.
QMetaObject::invokeMethod(this, "ensureInputCapabilitiesChanged", Qt::QueuedConnection);
m_pendingInputCapabilitiesChanged = true;
}
void QCoeFepInputContext::ensureInputCapabilitiesChanged()
{
if (!m_pendingInputCapabilitiesChanged)
return;
// The call below is essentially equivalent to InputCapabilitiesChanged(),
// but is synchronous, rather than asynchronous.
CCoeEnv::Static()->SyncNotifyFocusObserversOfChangeInFocus();
m_pendingInputCapabilitiesChanged = false;
}
void QCoeFepInputContext::StartFepInlineEditL(const TDesC& aInitialInlineText,
TInt aPositionOfInsertionPointInInlineText, TBool aCursorVisibility, const MFormCustomDraw* /*aCustomDraw*/,
MFepInlineTextFormatRetriever& aInlineTextFormatRetriever,
MFepPointerEventHandlerDuringInlineEdit& aPointerEventHandlerDuringInlineEdit)
{
QWidget *w = focusWidget();
if (!w)
return;
commitTemporaryPreeditString();
m_cursorPos = w->inputMethodQuery(Qt::ImCursorPosition).toInt();
QList<QInputMethodEvent::Attribute> attributes;
m_cursorVisibility = aCursorVisibility ? 1 : 0;
m_inlinePosition = aPositionOfInsertionPointInInlineText;
m_preeditString = qt_TDesC2QString(aInitialInlineText);
m_formatRetriever = &aInlineTextFormatRetriever;
m_pointerHandler = &aPointerEventHandlerDuringInlineEdit;
// With T9 aInitialInlineText is typically empty when StartFepInlineEditL is called,
// but FEP requires that selected text is always removed at StartFepInlineEditL.
// Let's remove the selected text if aInitialInlineText is empty and there is selected text
if (m_preeditString.isEmpty()) {
int anchor = w->inputMethodQuery(Qt::ImAnchorPosition).toInt();
int replacementLength = qAbs(m_cursorPos-anchor);
if (replacementLength > 0) {
int replacementStart = m_cursorPos < anchor ? 0 : -replacementLength;
QList<QInputMethodEvent::Attribute> clearSelectionAttributes;
QInputMethodEvent clearSelectionEvent(QLatin1String(""), clearSelectionAttributes);
clearSelectionEvent.setCommitString(QLatin1String(""), replacementStart, replacementLength);
sendEvent(clearSelectionEvent);
}
}
applyFormat(&attributes);
attributes.append(QInputMethodEvent::Attribute(QInputMethodEvent::Cursor,
m_inlinePosition,
m_cursorVisibility,
QVariant()));
QInputMethodEvent event(m_preeditString, attributes);
sendEvent(event);
}
void QCoeFepInputContext::UpdateFepInlineTextL(const TDesC& aNewInlineText,
TInt aPositionOfInsertionPointInInlineText)
{
QWidget *w = focusWidget();
if (!w)
return;
m_inlinePosition = aPositionOfInsertionPointInInlineText;
QList<QInputMethodEvent::Attribute> attributes;
applyFormat(&attributes);
attributes.append(QInputMethodEvent::Attribute(QInputMethodEvent::Cursor,
m_inlinePosition,
m_cursorVisibility,
QVariant()));
m_preeditString = qt_TDesC2QString(aNewInlineText);
QInputMethodEvent event(m_preeditString, attributes);
sendEvent(event);
}
void QCoeFepInputContext::SetInlineEditingCursorVisibilityL(TBool aCursorVisibility)
{
QWidget *w = focusWidget();
if (!w)
return;
m_cursorVisibility = aCursorVisibility ? 1 : 0;
QList<QInputMethodEvent::Attribute> attributes;
attributes.append(QInputMethodEvent::Attribute(QInputMethodEvent::Cursor,
m_inlinePosition,
m_cursorVisibility,
QVariant()));
QInputMethodEvent event(m_preeditString, attributes);
sendEvent(event);
}
void QCoeFepInputContext::CancelFepInlineEdit()
{
QList<QInputMethodEvent::Attribute> attributes;
QInputMethodEvent event(QLatin1String(""), attributes);
event.setCommitString(QLatin1String(""), 0, 0);
m_preeditString.clear();
sendEvent(event);
}
TInt QCoeFepInputContext::DocumentLengthForFep() const
{
QWidget *w = focusWidget();
if (!w)
return 0;
QVariant variant = w->inputMethodQuery(Qt::ImSurroundingText);
return variant.value<QString>().size() + m_preeditString.size();
}
TInt QCoeFepInputContext::DocumentMaximumLengthForFep() const
{
QWidget *w = focusWidget();
if (!w)
return 0;
QVariant variant = w->inputMethodQuery(Qt::ImMaximumTextLength);
int size;
if (variant.isValid()) {
size = variant.toInt();
} else {
size = INT_MAX; // Sensible default for S60.
}
return size;
}
void QCoeFepInputContext::SetCursorSelectionForFepL(const TCursorSelection& aCursorSelection)
{
QWidget *w = focusWidget();
if (!w)
return;
commitTemporaryPreeditString();
int pos = aCursorSelection.iAnchorPos;
int length = aCursorSelection.iCursorPos - pos;
QList<QInputMethodEvent::Attribute> attributes;
attributes << QInputMethodEvent::Attribute(QInputMethodEvent::Selection, pos, length, QVariant());
QInputMethodEvent event(m_preeditString, attributes);
sendEvent(event);
}
void QCoeFepInputContext::GetCursorSelectionForFep(TCursorSelection& aCursorSelection) const
{
QWidget *w = focusWidget();
if (!w) {
aCursorSelection.SetSelection(0,0);
return;
}
int cursor = w->inputMethodQuery(Qt::ImCursorPosition).toInt() + m_preeditString.size();
int anchor = w->inputMethodQuery(Qt::ImAnchorPosition).toInt() + m_preeditString.size();
QString text = w->inputMethodQuery(Qt::ImSurroundingText).value<QString>();
int combinedSize = text.size() + m_preeditString.size();
if (combinedSize < anchor || combinedSize < cursor) {
// ### TODO! FIXME! QTBUG-5050
// This is a hack to prevent crashing in 4.6 with QLineEdits that use input masks.
// The root problem is that cursor position is relative to displayed text instead of the
// actual text we get.
//
// To properly fix this we would need to know the displayText of QLineEdits instead
// of just the text, which on itself should be a trivial change. The difficulties start
// when we need to commit the changes back to the QLineEdit, which would have to be somehow
// able to handle displayText, too.
//
// Until properly fixed, the cursor and anchor positions will not reflect correct positions
// for masked QLineEdits, unless all the masked positions are filled in order so that
// cursor position relative to the displayed text matches position relative to actual text.
aCursorSelection.iAnchorPos = combinedSize;
aCursorSelection.iCursorPos = combinedSize;
} else {
aCursorSelection.iAnchorPos = anchor;
aCursorSelection.iCursorPos = cursor;
}
}
void QCoeFepInputContext::GetEditorContentForFep(TDes& aEditorContent, TInt aDocumentPosition,
TInt aLengthToRetrieve) const
{
QWidget *w = focusWidget();
if (!w) {
aEditorContent.FillZ(aLengthToRetrieve);
return;
}
QString text = w->inputMethodQuery(Qt::ImSurroundingText).value<QString>();
// FEP expects the preedit string to be part of the editor content, so let's mix it in.
int cursor = w->inputMethodQuery(Qt::ImCursorPosition).toInt();
text.insert(cursor, m_preeditString);
aEditorContent.Copy(qt_QString2TPtrC(text.mid(aDocumentPosition, aLengthToRetrieve)));
}
void QCoeFepInputContext::GetFormatForFep(TCharFormat& aFormat, TInt /* aDocumentPosition */) const
{
QWidget *w = focusWidget();
if (!w) {
aFormat = TCharFormat();
return;
}
QFont font = w->inputMethodQuery(Qt::ImFont).value<QFont>();
QFontMetrics metrics(font);
//QString name = font.rawName();
QString name = font.defaultFamily(); // TODO! FIXME! Should be the above.
QHBufC hBufC(name);
aFormat = TCharFormat(hBufC->Des(), metrics.height());
}
void QCoeFepInputContext::GetScreenCoordinatesForFepL(TPoint& aLeftSideOfBaseLine, TInt& aHeight,
TInt& aAscent, TInt /* aDocumentPosition */) const
{
QWidget *w = focusWidget();
if (!w) {
aLeftSideOfBaseLine = TPoint(0,0);
aHeight = 0;
aAscent = 0;
return;
}
QRect rect = w->inputMethodQuery(Qt::ImMicroFocus).value<QRect>();
aLeftSideOfBaseLine.iX = rect.left();
aLeftSideOfBaseLine.iY = rect.bottom();
QFont font = w->inputMethodQuery(Qt::ImFont).value<QFont>();
QFontMetrics metrics(font);
aHeight = metrics.height();
aAscent = metrics.ascent();
}
void QCoeFepInputContext::DoCommitFepInlineEditL()
{
commitCurrentString(false);
if (QSysInfo::s60Version() > QSysInfo::SV_S60_5_0)
ReportAknEdStateEvent(QT_EAknCursorPositionChanged);
}
void QCoeFepInputContext::commitCurrentString(bool cancelFepTransaction)
{
int longPress = 0;
if (m_preeditString.size() == 0) {
QWidget *w = focusWidget();
if (!cancelFepTransaction && w) {
// We must replace the last character only if the input box has already accepted one
if (w->inputMethodQuery(Qt::ImCursorPosition).toInt() != m_cursorPos)
longPress = 1;
}
return;
}
QList<QInputMethodEvent::Attribute> attributes;
QInputMethodEvent event(QLatin1String(""), attributes);
event.setCommitString(m_preeditString, 0-longPress, longPress);
m_preeditString.clear();
sendEvent(event);
m_hasTempPreeditString = false;
longPress = 0;
if (cancelFepTransaction) {
CCoeFep* fep = CCoeEnv::Static()->Fep();
if (fep)
fep->CancelTransaction();
}
}
MCoeFepAwareTextEditor_Extension1* QCoeFepInputContext::Extension1(TBool& aSetToTrue)
{
aSetToTrue = ETrue;
return this;
}
void QCoeFepInputContext::SetStateTransferingOwnershipL(MCoeFepAwareTextEditor_Extension1::CState* aState,
TUid /*aTypeSafetyUid*/)
{
// Note: The S60 docs are wrong! See the State() function.
if (m_fepState)
delete m_fepState;
m_fepState = static_cast<CAknEdwinState *>(aState);
}
MCoeFepAwareTextEditor_Extension1::CState* QCoeFepInputContext::State(TUid /*aTypeSafetyUid*/)
{
// Note: The S60 docs are horribly wrong when describing the
// SetStateTransferingOwnershipL function and this function. They say that the former
// sets a CState object identified by the TUid, and the latter retrieves it.
// In reality, the CState is expected to always be a CAknEdwinState (even if it was not
// previously set), and the TUid is ignored. All in all, there is a single CAknEdwinState
// per QCoeFepInputContext, which should be deleted if the SetStateTransferingOwnershipL
// function is used to set a new one.
return m_fepState;
}
TTypeUid::Ptr QCoeFepInputContext::MopSupplyObject(TTypeUid /*id*/)
{
return TTypeUid::Null();
}
MObjectProvider *QCoeFepInputContext::MopNext()
{
QWidget *w = focusWidget();
if (w)
return w->effectiveWinId();
return 0;
}
QT_END_NAMESPACE
#endif // QT_NO_IM