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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 "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_clipboardChanged()
+{
+}
+
+void QLineEditPrivate::_q_handleWindowActivate()
+{
+ Q_Q(QLineEdit);
+ if (!q->hasFocus() && control->hasSelectedText())
+ control->deselect();
+}
+
+void QLineEditPrivate::_q_deleteSelected()
+{
+}
+
+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);
+}
+
+void QLineEditPrivate::init(const QString& txt)
+{
+ Q_Q(QLineEdit);
+ control = new QLineControl(txt);
+ 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()));
+
+ // 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()));
+ control->setPasswordCharacter(q->style()->styleHint(QStyle::SH_LineEdit_PasswordCharacter));
+#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
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