diff -r 000000000000 -r 1918ee327afb src/gui/widgets/qlineedit_p.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/gui/widgets/qlineedit_p.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,266 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qlineedit.h" +#include "qlineedit_p.h" + +#ifndef QT_NO_LINEEDIT + +#include "qabstractitemview.h" +#include "qclipboard.h" +#ifndef QT_NO_ACCESSIBILITY +#include "qaccessible.h" +#endif +#ifndef QT_NO_IM +#include "qinputcontext.h" +#include "qlist.h" +#endif + +QT_BEGIN_NAMESPACE + +const int QLineEditPrivate::verticalMargin(1); +const int QLineEditPrivate::horizontalMargin(2); + +int QLineEditPrivate::xToPos(int x, QTextLine::CursorPosition betweenOrOn) const +{ + QRect cr = adjustedContentsRect(); + x-= cr.x() - hscroll + horizontalMargin; + return control->xToPos(x, betweenOrOn); +} + +QRect QLineEditPrivate::cursorRect() const +{ + QRect cr = adjustedContentsRect(); + int cix = cr.x() - hscroll + horizontalMargin; + QRect crect = control->cursorRect(); + crect.moveTo(crect.topLeft() + QPoint(cix, vscroll)); + return crect; +} + +#ifndef QT_NO_COMPLETER + +void QLineEditPrivate::_q_completionHighlighted(QString newText) +{ + Q_Q(QLineEdit); + if (control->completer()->completionMode() != QCompleter::InlineCompletion) { + q->setText(newText); + } else { + int c = control->cursor(); + QString text = control->text(); + q->setText(text.left(c) + newText.mid(c)); + control->moveCursor(control->end(), false); + control->moveCursor(c, true); + } +} + +#endif // QT_NO_COMPLETER + +void QLineEditPrivate::_q_handleWindowActivate() +{ + Q_Q(QLineEdit); + if (!q->hasFocus() && control->hasSelectedText()) + control->deselect(); +} + +void QLineEditPrivate::_q_textEdited(const QString &text) +{ + Q_Q(QLineEdit); +#ifndef QT_NO_COMPLETER + if (control->completer() && + control->completer()->completionMode() != QCompleter::InlineCompletion) + control->complete(-1); // update the popup on cut/paste/del +#endif + emit q->textEdited(text); +} + +void QLineEditPrivate::_q_cursorPositionChanged(int from, int to) +{ + Q_Q(QLineEdit); + q->update(); + emit q->cursorPositionChanged(from, to); +} + +#ifdef QT_KEYPAD_NAVIGATION +void QLineEditPrivate::_q_editFocusChange(bool e) +{ + Q_Q(QLineEdit); + q->setEditFocus(e); +} +#endif + +void QLineEditPrivate::init(const QString& txt) +{ + Q_Q(QLineEdit); + control = new QLineControl(txt); + control->setFont(q->font()); + QObject::connect(control, SIGNAL(textChanged(const QString &)), + q, SIGNAL(textChanged(const QString &))); + QObject::connect(control, SIGNAL(textEdited(const QString &)), + q, SLOT(_q_textEdited(const QString &))); + QObject::connect(control, SIGNAL(cursorPositionChanged(int, int)), + q, SLOT(_q_cursorPositionChanged(int, int))); + QObject::connect(control, SIGNAL(selectionChanged()), + q, SIGNAL(selectionChanged())); + QObject::connect(control, SIGNAL(accepted()), + q, SIGNAL(returnPressed())); + QObject::connect(control, SIGNAL(editingFinished()), + q, SIGNAL(editingFinished())); +#ifdef QT_KEYPAD_NAVIGATION + QObject::connect(control, SIGNAL(editFocusChange(bool)), + q, SLOT(_q_editFocusChange(bool))); +#endif + QObject::connect(control, SIGNAL(cursorPositionChanged(int, int)), + q, SLOT(updateMicroFocus())); + + // for now, going completely overboard with updates. + QObject::connect(control, SIGNAL(selectionChanged()), + q, SLOT(update())); + + QObject::connect(control, SIGNAL(displayTextChanged(const QString &)), + q, SLOT(update())); + + QObject::connect(control, SIGNAL(updateNeeded(const QRect &)), + q, SLOT(update())); + + QStyleOptionFrameV2 opt; + q->initStyleOption(&opt); + control->setPasswordCharacter(q->style()->styleHint(QStyle::SH_LineEdit_PasswordCharacter, &opt, q)); +#ifndef QT_NO_CURSOR + q->setCursor(Qt::IBeamCursor); +#endif + q->setFocusPolicy(Qt::StrongFocus); + q->setAttribute(Qt::WA_InputMethodEnabled); + // Specifies that this widget can use more, but is able to survive on + // less, horizontal space; and is fixed vertically. + q->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed, QSizePolicy::LineEdit)); + q->setBackgroundRole(QPalette::Base); + q->setAttribute(Qt::WA_KeyCompression); + q->setMouseTracking(true); + q->setAcceptDrops(true); + + q->setAttribute(Qt::WA_MacShowFocusRect); +} + +QRect QLineEditPrivate::adjustedContentsRect() const +{ + Q_Q(const QLineEdit); + QStyleOptionFrameV2 opt; + q->initStyleOption(&opt); + QRect r = q->style()->subElementRect(QStyle::SE_LineEditContents, &opt, q); + r.setX(r.x() + leftTextMargin); + r.setY(r.y() + topTextMargin); + r.setRight(r.right() - rightTextMargin); + r.setBottom(r.bottom() - bottomTextMargin); + return r; +} + +void QLineEditPrivate::setCursorVisible(bool visible) +{ + Q_Q(QLineEdit); + if ((bool)cursorVisible == visible) + return; + cursorVisible = visible; + QRect r = cursorRect(); + if (control->inputMask().isEmpty()) + q->update(r); + else + q->update(); +} + +void QLineEditPrivate::updatePasswordEchoEditing(bool editing) +{ + Q_Q(QLineEdit); + control->updatePasswordEchoEditing(editing); + q->setAttribute(Qt::WA_InputMethodEnabled, shouldEnableInputMethod()); +} + +/*! + This function is not intended as polymorphic usage. Just a shared code + fragment that calls QInputContext::mouseHandler for this + class. +*/ +bool QLineEditPrivate::sendMouseEventToInputContext( QMouseEvent *e ) +{ +#if !defined QT_NO_IM + Q_Q(QLineEdit); + if ( control->composeMode() ) { + int tmp_cursor = xToPos(e->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 ( e->type() == QEvent::MouseMove ) + return true; + } + + QInputContext *qic = q->inputContext(); + if ( qic ) + // may be causing reset() in some input methods + qic->mouseHandler(mousePos, e); + if (!control->preeditAreaText().isEmpty()) + return true; + } +#else + Q_UNUSED(e); +#endif + + return false; +} + +#ifndef QT_NO_DRAGANDDROP +void QLineEditPrivate::drag() +{ + Q_Q(QLineEdit); + dndTimer.stop(); + QMimeData *data = new QMimeData; + data->setText(control->selectedText()); + QDrag *drag = new QDrag(q); + drag->setMimeData(data); + Qt::DropAction action = drag->start(); + if (action == Qt::MoveAction && !control->isReadOnly() && drag->target() != q) + control->removeSelection(); +} + +#endif // QT_NO_DRAGANDDROP + +QT_END_NAMESPACE + +#endif