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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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QLINEEDIT_P_H
+#define QLINEEDIT_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qglobal.h"
+
+#ifndef QT_NO_LINEEDIT
+#include "private/qwidget_p.h"
+#include "QtGui/qlineedit.h"
+#include "QtGui/qtextlayout.h"
+#include "QtGui/qstyleoption.h"
+#include "QtCore/qbasictimer.h"
+#include "QtGui/qcompleter.h"
+#include "QtCore/qpointer.h"
+#include "QtGui/qlineedit.h"
+
+QT_BEGIN_NAMESPACE
+
+class QLineEditPrivate : public QWidgetPrivate
+{
+ Q_DECLARE_PUBLIC(QLineEdit)
+public:
+
+ QLineEditPrivate()
+ : cursor(0), preeditCursor(0), cursorTimer(0), frame(1),
+ cursorVisible(0), hideCursor(false), separator(0), readOnly(0),
+ dragEnabled(0), contextMenuEnabled(1), echoMode(0), textDirty(0),
+ selDirty(0), validInput(1), alignment(Qt::AlignLeading | Qt::AlignVCenter), ascent(0),
+ maxLength(32767), hscroll(0), vscroll(0), lastCursorPos(-1), maskData(0),
+ modifiedState(0), undoState(0), selstart(0), selend(0), userInput(false),
+ emitingEditingFinished(false), passwordEchoEditing(false)
+#ifndef QT_NO_COMPLETER
+ , completer(0)
+#endif
+ , leftTextMargin(0), topTextMargin(0), rightTextMargin(0), bottomTextMargin(0)
+ {
+ }
+
+ ~QLineEditPrivate()
+ {
+ delete [] maskData;
+ }
+ void init(const QString&);
+
+ QString text;
+ int cursor;
+ int preeditCursor;
+ int cursorTimer; // -1 for non blinking cursor.
+ QPoint tripleClick;
+ QBasicTimer tripleClickTimer;
+ uint frame : 1;
+ uint cursorVisible : 1;
+ uint hideCursor : 1; // used to hide the cursor inside preedit areas
+ uint separator : 1;
+ uint readOnly : 1;
+ uint dragEnabled : 1;
+ uint contextMenuEnabled : 1;
+ uint echoMode : 2;
+ uint textDirty : 1;
+ uint selDirty : 1;
+ uint validInput : 1;
+ uint alignment;
+ int ascent;
+ int maxLength;
+ int hscroll;
+ int vscroll;
+ int lastCursorPos;
+
+#ifndef QT_NO_CONTEXTMENU
+ QPointer<QAction> selectAllAction;
+#endif
+
+ inline void emitCursorPositionChanged();
+ bool sendMouseEventToInputContext(QMouseEvent *e);
+
+ void finishChange(int validateFromState = -1, bool update = false, bool edited = true);
+
+ QPointer<QValidator> validator;
+ struct MaskInputData {
+ enum Casemode { NoCaseMode, Upper, Lower };
+ QChar maskChar; // either the separator char or the inputmask
+ bool separator;
+ Casemode caseMode;
+ };
+ QString inputMask;
+ QChar blank;
+ MaskInputData *maskData;
+ inline int nextMaskBlank(int pos) {
+ int c = findInMask(pos, true, false);
+ separator |= (c != pos);
+ return (c != -1 ? c : maxLength);
+ }
+ inline int prevMaskBlank(int pos) {
+ int c = findInMask(pos, false, false);
+ separator |= (c != pos);
+ return (c != -1 ? c : 0);
+ }
+
+ void setCursorVisible(bool visible);
+
+
+ // undo/redo handling
+ enum CommandType { Separator, Insert, Remove, Delete, RemoveSelection, DeleteSelection, SetSelection };
+ struct Command {
+ inline Command() {}
+ inline Command(CommandType t, int p, QChar c, int ss, int se) : type(t),uc(c),pos(p),selStart(ss),selEnd(se) {}
+ uint type : 4;
+ QChar uc;
+ int pos, selStart, selEnd;
+ };
+ int modifiedState;
+ int undoState;
+ QVector<Command> history;
+ void addCommand(const Command& cmd);
+ void insert(const QString& s);
+ void del(bool wasBackspace = false);
+ void remove(int pos);
+
+ inline void separate() { separator = true; }
+ void undo(int until = -1);
+ void redo();
+ inline bool isUndoAvailable() const { return !readOnly && undoState; }
+ inline bool isRedoAvailable() const { return !readOnly && undoState < (int)history.size(); }
+
+ // selection
+ int selstart, selend;
+ inline bool allSelected() const { return !text.isEmpty() && selstart == 0 && selend == (int)text.length(); }
+ inline bool hasSelectedText() const { return !text.isEmpty() && selend > selstart; }
+ inline void deselect() { selDirty |= (selend > selstart); selstart = selend = 0; }
+ void removeSelectedText();
+#ifndef QT_NO_CLIPBOARD
+ void copy(bool clipboard = true) const;
+#endif
+ inline bool inSelection(int x) const
+ { if (selstart >= selend) return false;
+ int pos = xToPos(x, QTextLine::CursorOnCharacter); return pos >= selstart && pos < selend; }
+
+ // masking
+ void parseInputMask(const QString &maskFields);
+ bool isValidInput(QChar key, QChar mask) const;
+ bool hasAcceptableInput(const QString &text) const;
+ QString maskString(uint pos, const QString &str, bool clear = false) const;
+ QString clearString(uint pos, uint len) const;
+ QString stripString(const QString &str) const;
+ int findInMask(int pos, bool forward, bool findSeparator, QChar searchChar = QChar()) const;
+
+ // input methods
+ bool composeMode() const { return !textLayout.preeditAreaText().isEmpty(); }
+
+ // complex text layout
+ QTextLayout textLayout;
+ void updateTextLayout();
+ void moveCursor(int pos, bool mark = false);
+ void setText(const QString& txt, int pos = -1, bool edited = true);
+ int xToPos(int x, QTextLine::CursorPosition = QTextLine::CursorBetweenCharacters) const;
+ QRect cursorRect() const;
+ bool fixup();
+
+ QRect adjustedContentsRect() const;
+
+#ifndef QT_NO_DRAGANDDROP
+ // drag and drop
+ QPoint dndPos;
+ QBasicTimer dndTimer;
+ void drag();
+#endif
+
+ void _q_clipboardChanged();
+ void _q_handleWindowActivate();
+ void _q_deleteSelected();
+ bool userInput;
+ bool emitingEditingFinished;
+
+#ifdef QT_KEYPAD_NAVIGATION
+ QBasicTimer deleteAllTimer; // keypad navigation
+ QString origText;
+#endif
+
+ bool passwordEchoEditing;
+ void updatePasswordEchoEditing(bool editing);
+
+#ifndef QT_NO_COMPLETER
+ QPointer<QCompleter> completer;
+ void complete(int key = -1);
+ void _q_completionHighlighted(QString);
+ bool advanceToEnabledItem(int n);
+#endif
+
+ int leftTextMargin;
+ int topTextMargin;
+ int rightTextMargin;
+ int bottomTextMargin;
+};
+
+#endif // QT_NO_LINEEDIT
+
+QT_END_NAMESPACE
+
+#endif // QLINEEDIT_P_H
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