diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativetextinput.cpp')
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativetextinput.cpp | 156 |
1 files changed, 132 insertions, 24 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativetextinput.cpp b/src/declarative/graphicsitems/qdeclarativetextinput.cpp index 3c95ab8..29b1f6b 100644 --- a/src/declarative/graphicsitems/qdeclarativetextinput.cpp +++ b/src/declarative/graphicsitems/qdeclarativetextinput.cpp @@ -51,6 +51,7 @@ #include <QFontMetrics> #include <QPainter> #include <QTextBoundaryFinder> +#include <QInputContext> #include <qstyle.h> #ifndef QT_NO_LINEEDIT @@ -481,6 +482,7 @@ QRect QDeclarativeTextInput::cursorRectangle() const Q_D(const QDeclarativeTextInput); QRect r = d->control->cursorRect(); r.setHeight(r.height()-1); // Make consistent with TextEdit (QLineControl inexplicably adds 1) + r.moveLeft(r.x() - d->hscroll); return r; } @@ -920,14 +922,22 @@ void QDeclarativeTextInput::moveCursor() QRectF QDeclarativeTextInput::positionToRectangle(int pos) const { Q_D(const QDeclarativeTextInput); + if (pos > d->control->cursorPosition()) + pos += d->control->preeditAreaText().length(); return QRectF(d->control->cursorToX(pos)-d->hscroll, 0.0, d->control->cursorWidth(), cursorRectangle().height()); } +int QDeclarativeTextInput::positionAt(int x) const +{ + return positionAt(x, CursorBetweenCharacters); +} + /*! - \qmlmethod int TextInput::positionAt(int x) + \qmlmethod int TextInput::positionAt(int x, CursorPosition position = CursorBetweenCharacters) + \since Quick 1.1 This function returns the character position at x pixels from the left of the textInput. Position 0 is before the @@ -936,18 +946,33 @@ QRectF QDeclarativeTextInput::positionToRectangle(int pos) const This means that for all x values before the first character this function returns 0, and for all x values after the last character this function returns text.length. + + The cursor position type specifies how the cursor position should be resolved. + + \list + \o TextInput.CursorBetweenCharacters - Returns the position between characters that is nearest x. + \o TextInput.CursorOnCharacter - Returns the position before the character that is nearest x. + \endlist */ -int QDeclarativeTextInput::positionAt(int x) const +int QDeclarativeTextInput::positionAt(int x, CursorPosition position) const { Q_D(const QDeclarativeTextInput); - return d->control->xToPos(x + d->hscroll); + int pos = d->control->xToPos(x + d->hscroll, QTextLine::CursorPosition(position)); + const int cursor = d->control->cursor(); + if (pos > cursor) { + const int preeditLength = d->control->preeditAreaText().length(); + pos = pos > cursor + preeditLength + ? pos - preeditLength + : cursor; + } + return pos; } void QDeclarativeTextInputPrivate::focusChanged(bool hasFocus) { Q_Q(QDeclarativeTextInput); focused = hasFocus; - q->setCursorVisible(hasFocus); + q->setCursorVisible(hasFocus && scene && scene->hasFocus()); if(q->echoMode() == QDeclarativeTextInput::PasswordEchoOnEdit && !hasFocus) control->updatePasswordEchoEditing(false);//QLineControl sets it on key events, but doesn't deal with focus events if (!hasFocus) @@ -981,18 +1006,22 @@ void QDeclarativeTextInput::inputMethodEvent(QInputMethodEvent *ev) { Q_D(QDeclarativeTextInput); ev->ignore(); + const bool wasComposing = d->control->preeditAreaText().length() > 0; inputMethodPreHandler(ev); - if (ev->isAccepted()) - return; - if (d->control->isReadOnly()) { - ev->ignore(); - } else { - d->control->processInputMethodEvent(ev); - updateSize(); - d->updateHorizontalScroll(); + if (!ev->isAccepted()) { + if (d->control->isReadOnly()) { + ev->ignore(); + } else { + d->control->processInputMethodEvent(ev); + updateSize(); + d->updateHorizontalScroll(); + } } if (!ev->isAccepted()) QDeclarativePaintedItem::inputMethodEvent(ev); + + if (wasComposing != (d->control->preeditAreaText().length() > 0)) + emit inputMethodComposingChanged(); } /*! @@ -1002,6 +1031,8 @@ Handles the given mouse \a event. void QDeclarativeTextInput::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) { Q_D(QDeclarativeTextInput); + if (d->sendMouseEventToInputContext(event, QEvent::MouseButtonDblClick)) + return; if (d->selectByMouse) { int cursor = d->xToPos(event->pos().x()); d->control->selectWordAtPos(cursor); @@ -1014,6 +1045,8 @@ void QDeclarativeTextInput::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *even void QDeclarativeTextInput::mousePressEvent(QGraphicsSceneMouseEvent *event) { Q_D(QDeclarativeTextInput); + if (d->sendMouseEventToInputContext(event, QEvent::MouseButtonPress)) + return; if(d->focusOnPress){ bool hadActiveFocus = hasActiveFocus(); forceActiveFocus(); @@ -1041,6 +1074,8 @@ void QDeclarativeTextInput::mousePressEvent(QGraphicsSceneMouseEvent *event) void QDeclarativeTextInput::mouseMoveEvent(QGraphicsSceneMouseEvent *event) { Q_D(QDeclarativeTextInput); + if (d->sendMouseEventToInputContext(event, QEvent::MouseMove)) + return; if (d->selectByMouse) { if (qAbs(int(event->pos().x() - d->pressPos.x())) > QApplication::startDragDistance()) setKeepMouseGrab(true); @@ -1058,6 +1093,8 @@ Handles the given mouse \a event. void QDeclarativeTextInput::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) { Q_D(QDeclarativeTextInput); + if (d->sendMouseEventToInputContext(event, QEvent::MouseButtonRelease)) + return; if (d->selectByMouse) setKeepMouseGrab(false); if (!d->showInputPanelOnFocus) { // input panel on click @@ -1075,6 +1112,44 @@ void QDeclarativeTextInput::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) QDeclarativePaintedItem::mouseReleaseEvent(event); } +bool QDeclarativeTextInputPrivate::sendMouseEventToInputContext( + QGraphicsSceneMouseEvent *event, QEvent::Type eventType) +{ +#if !defined QT_NO_IM + if (event->widget() && control->composeMode()) { + int tmp_cursor = xToPos(event->pos().x()); + int mousePos = tmp_cursor - control->cursor(); + if (mousePos < 0 || mousePos > control->preeditAreaText().length()) { + mousePos = -1; + // don't send move events outside the preedit area + if (eventType == QEvent::MouseMove) + return true; + } + + QInputContext *qic = event->widget()->inputContext(); + if (qic) { + QMouseEvent mouseEvent( + eventType, + event->widget()->mapFromGlobal(event->screenPos()), + event->screenPos(), + event->button(), + event->buttons(), + event->modifiers()); + // may be causing reset() in some input methods + qic->mouseHandler(mousePos, &mouseEvent); + event->setAccepted(mouseEvent.isAccepted()); + } + if (!control->preeditAreaText().isEmpty()) + return true; + } +#else + Q_UNUSED(event); + Q_UNUSED(eventType) +#endif + + return false; +} + bool QDeclarativeTextInput::sceneEvent(QEvent *event) { bool rv = QDeclarativeItem::sceneEvent(event); @@ -1213,7 +1288,7 @@ QVariant QDeclarativeTextInput::inputMethodQuery(Qt::InputMethodQuery property) Q_D(const QDeclarativeTextInput); switch(property) { case Qt::ImMicroFocus: - return d->control->cursorRect(); + return cursorRectangle(); case Qt::ImFont: return font(); case Qt::ImCursorPosition: @@ -1238,6 +1313,7 @@ QVariant QDeclarativeTextInput::inputMethodQuery(Qt::InputMethodQuery property) /*! \qmlmethod void TextInput::deselect() + \since Quick 1.1 Removes active text selection. */ @@ -1419,6 +1495,13 @@ void QDeclarativeTextInput::setMouseSelectionMode(SelectionMode mode) } } +/*! + \qmlproperty bool TextInput::canPaste + \since QtQuick 1.1 + + Returns true if the TextInput is writable and the content of the clipboard is + suitable for pasting into the TextEdit. +*/ bool QDeclarativeTextInput::canPaste() const { Q_D(const QDeclarativeTextInput); @@ -1487,38 +1570,41 @@ void QDeclarativeTextInput::moveCursorSelection(int pos, SelectionMode mode) anchor = d->control->selectionStart(); if (anchor < pos || (anchor == pos && cursor < pos)) { - QTextBoundaryFinder finder(QTextBoundaryFinder::Word, d->control->text()); + const QString text = d->control->text(); + QTextBoundaryFinder finder(QTextBoundaryFinder::Word, text); finder.setPosition(anchor); const QTextBoundaryFinder::BoundaryReasons reasons = finder.boundaryReasons(); - if (!(reasons & QTextBoundaryFinder::StartWord) + if (anchor < text.length() && !(reasons & QTextBoundaryFinder::StartWord) || ((reasons & QTextBoundaryFinder::EndWord) && anchor > cursor)) { finder.toPreviousBoundary(); } - anchor = finder.position(); + anchor = finder.position() != -1 ? finder.position() : 0; finder.setPosition(pos); - if (!finder.isAtBoundary()) + if (pos > 0 && !finder.boundaryReasons()) finder.toNextBoundary(); + const int cursor = finder.position() != -1 ? finder.position() : text.length(); - d->control->setSelection(anchor, finder.position() - anchor); + d->control->setSelection(anchor, cursor - anchor); } else if (anchor > pos || (anchor == pos && cursor > pos)) { - QTextBoundaryFinder finder(QTextBoundaryFinder::Word, d->control->text()); + const QString text = d->control->text(); + QTextBoundaryFinder finder(QTextBoundaryFinder::Word, text); finder.setPosition(anchor); const QTextBoundaryFinder::BoundaryReasons reasons = finder.boundaryReasons(); - if (!(reasons & QTextBoundaryFinder::EndWord) + if (anchor > 0 && !(reasons & QTextBoundaryFinder::EndWord) || ((reasons & QTextBoundaryFinder::StartWord) && anchor < cursor)) { finder.toNextBoundary(); } - - anchor = finder.position(); + anchor = finder.position() != -1 ? finder.position() : text.length(); finder.setPosition(pos); - if (!finder.isAtBoundary()) + if (pos < text.length() && !finder.boundaryReasons()) finder.toPreviousBoundary(); + const int cursor = finder.position() != -1 ? finder.position() : 0; - d->control->setSelection(anchor, finder.position() - anchor); + d->control->setSelection(anchor, cursor - anchor); } } } @@ -1637,6 +1723,25 @@ void QDeclarativeTextInput::focusInEvent(QFocusEvent *event) QDeclarativePaintedItem::focusInEvent(event); } +/*! + \qmlproperty bool TextInput::isInputMethodComposing() + + \since QtQuick 1.1 + + This property holds whether the TextInput has partial text input from an + input method. + + While it is composing an input method may rely on mouse or key events from + the TextInput to edit or commit the partial text. This property can be + used to determine when to disable events handlers that may interfere with + the correct operation of an input method. +*/ +bool QDeclarativeTextInput::isInputMethodComposing() const +{ + Q_D(const QDeclarativeTextInput); + return d->control->preeditAreaText().length() > 0; +} + void QDeclarativeTextInputPrivate::init() { Q_Q(QDeclarativeTextInput); @@ -1661,7 +1766,10 @@ void QDeclarativeTextInputPrivate::init() q, SLOT(q_canPasteChanged())); q->connect(QApplication::clipboard(), SIGNAL(dataChanged()), q, SLOT(q_canPasteChanged())); + canPaste = !control->isReadOnly() && QApplication::clipboard()->text().length() != 0; #endif // QT_NO_CLIPBOARD + q->connect(control, SIGNAL(updateMicroFocus()), + q, SLOT(updateMicroFocus())); q->updateSize(); oldValidity = control->hasAcceptableInput(); lastSelectionStart = 0; |