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This document is not UTF8. It was detected as Shift JIS and converted to UTF8 for display.
/*
qsecurelineedit_p.h - QLineEdit that uses secmem
Copyright (C) 2008 Klar舁vdalens Datakonsult AB (KDAB)
Written by Marc Mutz <marc@kdab.com>.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
// the following code has been ported from QString to secqstring.
// The licence of the original code:
/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** Licensees holding a valid Qt License Agreement may use this file in
** accordance with the rights, responsibilities and obligations
** contained therein. Please consult your licensing agreement or
** contact sales@trolltech.com if any conditions of this licensing
** agreement are not clear to you.
**
** Further information about Qt licensing is available at:
** http://www.trolltech.com/products/qt/licensing.html or by
** contacting info@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#ifndef QSECURELINEEDIT_P_H
#define QSECURELINEEDIT_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"
//#include "qsecurelineedit.h" // make last for QT_NO
#ifndef QT_NO_LINEEDIT
//#include "private/qwidget_p.h"
#include "QtGui/qtextlayout.h"
#include "QtGui/qstyleoption.h"
#include "QtCore/qbasictimer.h"
#include "QtGui/qcompleter.h"
#include "QtCore/qpointer.h"
#include "qsecurelineedit.h" // last to not contaminate Qt headers with #defines
QT_BEGIN_NAMESPACE
class QSecureLineEditPrivate// : public QWidgetPrivate
{
QSecureLineEdit * q_ptr;//Q_DECLARE_PUBLIC(QSecureLineEdit)
QSecureLineEdit * q_func() { return q_ptr; }
const QSecureLineEdit * q_func() const { return q_ptr; }
public:
explicit QSecureLineEditPrivate( QSecureLineEdit * qq )
: q_ptr(qq), cursor(0), preeditCursor(0), cursorTimer(0), frame(1),
cursorVisible(0), hideCursor(false), separator(0), readOnly(0),
dragEnabled(0), contextMenuEnabled(1), echoMode(QSecureLineEdit::Password), 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), resumePassword(false)
#ifndef QT_NO_COMPLETER
, completer(0)
#endif
{
#ifndef QT_NO_MENU
actions[UndoAct] = 0;
#endif
}
~QSecureLineEditPrivate()
{
delete [] maskData;
}
void init(const secqstring&);
secqstring 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;
enum { UndoAct, RedoAct, CutAct, CopyAct, PasteAct, ClearAct, SelectAllAct, NCountActs };
#ifndef QT_NO_MENU
QAction *actions[NCountActs];
#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 secqstring& 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.empty() && selstart == 0 && selend == (int)text.size(); }
inline bool hasSelectedText() const { return !text.empty() && 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 secqstring &text) const;
secqstring maskString(uint pos, const secqstring &str, bool clear = false) const;
secqstring clearString(uint pos, uint len) const;
secqstring stripString(const secqstring &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 secqstring& 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 resumePassword;
#ifndef QT_NO_COMPLETER
QPointer<QCompleter> completer;
void complete(int key = -1);
void _q_completionHighlighted(QString);
bool advanceToEnabledItem(int n);
#endif
};
#endif // QT_NO_LINEEDIT
QT_END_NAMESPACE
#endif // QSECURELINEEDIT_P_H

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