src/gui/widgets/qdatetimeedit_p.h
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtGui module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #ifndef QDATETIMEEDIT_P_H
       
    43 #define QDATETIMEEDIT_P_H
       
    44 
       
    45 //
       
    46 //  W A R N I N G
       
    47 //  -------------
       
    48 //
       
    49 // This file is not part of the Qt API.  It exists purely as an
       
    50 // implementation detail.  This header file may change from version to
       
    51 // version without notice, or even be removed.
       
    52 //
       
    53 // We mean it.
       
    54 //
       
    55 
       
    56 #include "QtGui/qcombobox.h"
       
    57 #include "QtGui/qcalendarwidget.h"
       
    58 #include "QtGui/qspinbox.h"
       
    59 #include "QtGui/qtoolbutton.h"
       
    60 #include "QtGui/qmenu.h"
       
    61 #include "QtGui/qlabel.h"
       
    62 #include "QtGui/qdatetimeedit.h"
       
    63 #include "QtGui/private/qabstractspinbox_p.h"
       
    64 #include "QtCore/private/qdatetime_p.h"
       
    65 
       
    66 #include "qdebug.h"
       
    67 
       
    68 #ifndef QT_NO_DATETIMEEDIT
       
    69 
       
    70 QT_BEGIN_NAMESPACE
       
    71 
       
    72 class QCalendarPopup;
       
    73 class QDateTimeEditPrivate : public QAbstractSpinBoxPrivate, public QDateTimeParser
       
    74 {
       
    75     Q_DECLARE_PUBLIC(QDateTimeEdit)
       
    76 public:
       
    77     QDateTimeEditPrivate();
       
    78 
       
    79     void init(const QVariant &var);
       
    80     void readLocaleSettings();
       
    81 
       
    82     void emitSignals(EmitPolicy ep, const QVariant &old);
       
    83     QString textFromValue(const QVariant &f) const;
       
    84     QVariant valueFromText(const QString &f) const;
       
    85     virtual void _q_editorCursorPositionChanged(int oldpos, int newpos);
       
    86     virtual void interpret(EmitPolicy ep);
       
    87     virtual void clearCache() const;
       
    88 
       
    89     QDateTime validateAndInterpret(QString &input, int &, QValidator::State &state,
       
    90                                    bool fixup = false) const;
       
    91     void clearSection(int index);
       
    92     virtual QString displayText() const { return edit->text(); } // this is from QDateTimeParser
       
    93 
       
    94     int absoluteIndex(QDateTimeEdit::Section s, int index) const;
       
    95     int absoluteIndex(const SectionNode &s) const;
       
    96     void updateEdit();
       
    97     QDateTime stepBy(int index, int steps, bool test = false) const;
       
    98     int sectionAt(int pos) const;
       
    99     int closestSection(int index, bool forward) const;
       
   100     int nextPrevSection(int index, bool forward) const;
       
   101     void setSelected(int index, bool forward = false);
       
   102 
       
   103     void updateCache(const QVariant &val, const QString &str) const;
       
   104 
       
   105     void updateTimeSpec();
       
   106     virtual QDateTime getMinimum() const { return minimum.toDateTime(); }
       
   107     virtual QDateTime getMaximum() const { return maximum.toDateTime(); }
       
   108     virtual QLocale locale() const { return q_func()->locale(); }
       
   109     QString valueToText(const QVariant &var) const { return textFromValue(var); }
       
   110     QString getAmPmText(AmPm ap, Case cs) const;
       
   111     int cursorPosition() const { return edit ? edit->cursorPosition() : -1; }
       
   112 
       
   113     virtual QStyle::SubControl newHoverControl(const QPoint &pos);
       
   114     virtual void updateEditFieldGeometry();
       
   115     virtual QVariant getZeroVariant() const;
       
   116     virtual void setRange(const QVariant &min, const QVariant &max);
       
   117 
       
   118     void _q_resetButton();
       
   119     void updateArrow(QStyle::StateFlag state);
       
   120     bool calendarPopupEnabled() const;
       
   121     void syncCalendarWidget();
       
   122 
       
   123     bool isSeparatorKey(const QKeyEvent *k) const;
       
   124 
       
   125     static QDateTimeEdit::Sections convertSections(QDateTimeParser::Sections s);
       
   126     static QDateTimeEdit::Section convertToPublic(QDateTimeParser::Section s);
       
   127 
       
   128     void initCalendarPopup(QCalendarWidget *cw = 0);
       
   129     void positionCalendarPopup();
       
   130 
       
   131     QDateTimeEdit::Sections sections;
       
   132     mutable bool cacheGuard;
       
   133 
       
   134     QString defaultDateFormat, defaultTimeFormat, defaultDateTimeFormat, unreversedFormat;
       
   135     mutable QVariant conflictGuard;
       
   136     bool hasHadFocus, formatExplicitlySet, calendarPopup;
       
   137     QStyle::StateFlag arrowState;
       
   138     QCalendarPopup *monthCalendar;
       
   139 
       
   140 #ifdef QT_KEYPAD_NAVIGATION
       
   141     bool focusOnButton;
       
   142 #endif
       
   143 };
       
   144 
       
   145 
       
   146 class QCalendarPopup : public QWidget
       
   147 {
       
   148     Q_OBJECT
       
   149 public:
       
   150     QCalendarPopup(QWidget *parent = 0, QCalendarWidget *cw = 0);
       
   151     QDate selectedDate() { return calendar->selectedDate(); }
       
   152     void setDate(const QDate &date);
       
   153     void setDateRange(const QDate &min, const QDate &max);
       
   154     void setFirstDayOfWeek(Qt::DayOfWeek dow) { calendar->setFirstDayOfWeek(dow); }
       
   155     QCalendarWidget *calendarWidget() const { return calendar; }
       
   156     void setCalendarWidget(QCalendarWidget *cw);
       
   157 Q_SIGNALS:
       
   158     void activated(const QDate &date);
       
   159     void newDateSelected(const QDate &newDate);
       
   160     void hidingCalendar(const QDate &oldDate);
       
   161     void resetButton();
       
   162 
       
   163 private Q_SLOTS:
       
   164     void dateSelected(const QDate &date);
       
   165     void dateSelectionChanged();
       
   166 
       
   167 protected:
       
   168     void hideEvent(QHideEvent *);
       
   169     void mousePressEvent(QMouseEvent *e);
       
   170     void mouseReleaseEvent(QMouseEvent *);
       
   171     bool event(QEvent *e);
       
   172 
       
   173 private:
       
   174     QCalendarWidget *calendar;
       
   175     QDate oldDate;
       
   176     bool dateChanged;
       
   177 };
       
   178 
       
   179 QT_END_NAMESPACE
       
   180 
       
   181 #endif // QT_NO_DATETIMEEDIT
       
   182 
       
   183 #endif // QDATETIMEEDIT_P_H