author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 19 Feb 2010 23:40:16 +0200 | |
branch | RCL_3 |
changeset 4 | 3b1da2848fc7 |
parent 3 | 41300fa6a67c |
child 8 | 3f74d0d4af4c |
permissions | -rw-r--r-- |
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/**************************************************************************** |
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** |
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the QtGui module of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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#include "qlineedit.h" |
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#include "qlineedit_p.h" |
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#ifndef QT_NO_LINEEDIT |
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#include "qabstractitemview.h" |
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#include "qclipboard.h" |
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#ifndef QT_NO_ACCESSIBILITY |
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#include "qaccessible.h" |
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#endif |
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#ifndef QT_NO_IM |
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#include "qinputcontext.h" |
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#include "qlist.h" |
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#endif |
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QT_BEGIN_NAMESPACE |
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const int QLineEditPrivate::verticalMargin(1); |
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const int QLineEditPrivate::horizontalMargin(2); |
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int QLineEditPrivate::xToPos(int x, QTextLine::CursorPosition betweenOrOn) const |
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{ |
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QRect cr = adjustedContentsRect(); |
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x-= cr.x() - hscroll + horizontalMargin; |
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return control->xToPos(x, betweenOrOn); |
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} |
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QRect QLineEditPrivate::cursorRect() const |
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{ |
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QRect cr = adjustedContentsRect(); |
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int cix = cr.x() - hscroll + horizontalMargin; |
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QRect crect = control->cursorRect(); |
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crect.moveTo(crect.topLeft() + QPoint(cix, vscroll)); |
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return crect; |
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} |
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#ifndef QT_NO_COMPLETER |
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void QLineEditPrivate::_q_completionHighlighted(QString newText) |
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{ |
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Q_Q(QLineEdit); |
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if (control->completer()->completionMode() != QCompleter::InlineCompletion) { |
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q->setText(newText); |
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} else { |
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int c = control->cursor(); |
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QString text = control->text(); |
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q->setText(text.left(c) + newText.mid(c)); |
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control->moveCursor(control->end(), false); |
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control->moveCursor(c, true); |
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} |
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} |
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#endif // QT_NO_COMPLETER |
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void QLineEditPrivate::_q_handleWindowActivate() |
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{ |
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Q_Q(QLineEdit); |
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if (!q->hasFocus() && control->hasSelectedText()) |
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control->deselect(); |
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} |
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void QLineEditPrivate::_q_textEdited(const QString &text) |
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{ |
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Q_Q(QLineEdit); |
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emit q->textEdited(text); |
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#ifndef QT_NO_COMPLETER |
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if (control->completer() |
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&& control->completer()->completionMode() != QCompleter::InlineCompletion) |
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control->complete(-1); // update the popup on cut/paste/del |
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#endif |
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} |
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void QLineEditPrivate::_q_cursorPositionChanged(int from, int to) |
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{ |
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Q_Q(QLineEdit); |
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q->update(); |
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emit q->cursorPositionChanged(from, to); |
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} |
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#ifdef QT_KEYPAD_NAVIGATION |
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void QLineEditPrivate::_q_editFocusChange(bool e) |
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{ |
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Q_Q(QLineEdit); |
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q->setEditFocus(e); |
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} |
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#endif |
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void QLineEditPrivate::_q_selectionChanged() |
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{ |
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Q_Q(QLineEdit); |
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if (control->preeditAreaText().isEmpty()) { |
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QStyleOptionFrameV2 opt; |
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q->initStyleOption(&opt); |
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bool showCursor = control->hasSelectedText() ? |
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q->style()->styleHint(QStyle::SH_BlinkCursorWhenTextSelected, &opt, q): |
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true; |
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setCursorVisible(showCursor); |
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} |
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emit q->selectionChanged(); |
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} |
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void QLineEditPrivate::init(const QString& txt) |
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{ |
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Q_Q(QLineEdit); |
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control = new QLineControl(txt); |
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control->setFont(q->font()); |
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QObject::connect(control, SIGNAL(textChanged(QString)), |
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q, SIGNAL(textChanged(QString))); |
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QObject::connect(control, SIGNAL(textEdited(QString)), |
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q, SLOT(_q_textEdited(QString))); |
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QObject::connect(control, SIGNAL(cursorPositionChanged(int,int)), |
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q, SLOT(_q_cursorPositionChanged(int,int))); |
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QObject::connect(control, SIGNAL(selectionChanged()), |
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q, SLOT(_q_selectionChanged())); |
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QObject::connect(control, SIGNAL(accepted()), |
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q, SIGNAL(returnPressed())); |
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QObject::connect(control, SIGNAL(editingFinished()), |
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q, SIGNAL(editingFinished())); |
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#ifdef QT_KEYPAD_NAVIGATION |
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QObject::connect(control, SIGNAL(editFocusChange(bool)), |
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q, SLOT(_q_editFocusChange(bool))); |
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#endif |
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QObject::connect(control, SIGNAL(cursorPositionChanged(int,int)), |
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q, SLOT(updateMicroFocus())); |
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QObject::connect(control, SIGNAL(textChanged(const QString &)), |
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q, SLOT(updateMicroFocus())); |
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// for now, going completely overboard with updates. |
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QObject::connect(control, SIGNAL(selectionChanged()), |
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q, SLOT(update())); |
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QObject::connect(control, SIGNAL(displayTextChanged(QString)), |
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q, SLOT(update())); |
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QObject::connect(control, SIGNAL(updateNeeded(QRect)), |
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q, SLOT(update())); |
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QStyleOptionFrameV2 opt; |
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q->initStyleOption(&opt); |
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control->setPasswordCharacter(q->style()->styleHint(QStyle::SH_LineEdit_PasswordCharacter, &opt, q)); |
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#ifndef QT_NO_CURSOR |
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q->setCursor(Qt::IBeamCursor); |
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#endif |
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q->setFocusPolicy(Qt::StrongFocus); |
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q->setAttribute(Qt::WA_InputMethodEnabled); |
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// Specifies that this widget can use more, but is able to survive on |
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// less, horizontal space; and is fixed vertically. |
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q->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed, QSizePolicy::LineEdit)); |
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q->setBackgroundRole(QPalette::Base); |
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q->setAttribute(Qt::WA_KeyCompression); |
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q->setMouseTracking(true); |
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q->setAcceptDrops(true); |
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q->setAttribute(Qt::WA_MacShowFocusRect); |
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} |
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QRect QLineEditPrivate::adjustedContentsRect() const |
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{ |
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Q_Q(const QLineEdit); |
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QStyleOptionFrameV2 opt; |
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q->initStyleOption(&opt); |
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QRect r = q->style()->subElementRect(QStyle::SE_LineEditContents, &opt, q); |
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r.setX(r.x() + leftTextMargin); |
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r.setY(r.y() + topTextMargin); |
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r.setRight(r.right() - rightTextMargin); |
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r.setBottom(r.bottom() - bottomTextMargin); |
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return r; |
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} |
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void QLineEditPrivate::setCursorVisible(bool visible) |
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{ |
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Q_Q(QLineEdit); |
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if ((bool)cursorVisible == visible) |
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return; |
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cursorVisible = visible; |
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QRect r = cursorRect(); |
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if (control->inputMask().isEmpty()) |
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q->update(r); |
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else |
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q->update(); |
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} |
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void QLineEditPrivate::updatePasswordEchoEditing(bool editing) |
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{ |
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Q_Q(QLineEdit); |
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control->updatePasswordEchoEditing(editing); |
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q->setAttribute(Qt::WA_InputMethodEnabled, shouldEnableInputMethod()); |
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} |
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/*! |
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This function is not intended as polymorphic usage. Just a shared code |
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fragment that calls QInputContext::mouseHandler for this |
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class. |
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*/ |
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bool QLineEditPrivate::sendMouseEventToInputContext( QMouseEvent *e ) |
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{ |
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#if !defined QT_NO_IM |
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Q_Q(QLineEdit); |
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if ( control->composeMode() ) { |
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int tmp_cursor = xToPos(e->pos().x()); |
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int mousePos = tmp_cursor - control->cursor(); |
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if ( mousePos < 0 || mousePos > control->preeditAreaText().length() ) { |
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mousePos = -1; |
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// don't send move events outside the preedit area |
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if ( e->type() == QEvent::MouseMove ) |
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return true; |
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} |
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QInputContext *qic = q->inputContext(); |
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if ( qic ) |
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// may be causing reset() in some input methods |
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qic->mouseHandler(mousePos, e); |
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if (!control->preeditAreaText().isEmpty()) |
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return true; |
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} |
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#else |
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Q_UNUSED(e); |
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#endif |
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return false; |
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} |
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#ifndef QT_NO_DRAGANDDROP |
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void QLineEditPrivate::drag() |
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{ |
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Q_Q(QLineEdit); |
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dndTimer.stop(); |
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QMimeData *data = new QMimeData; |
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data->setText(control->selectedText()); |
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QDrag *drag = new QDrag(q); |
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drag->setMimeData(data); |
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Qt::DropAction action = drag->start(); |
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if (action == Qt::MoveAction && !control->isReadOnly() && drag->target() != q) |
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control->removeSelection(); |
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} |
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#endif // QT_NO_DRAGANDDROP |
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QT_END_NAMESPACE |
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#endif |