dateselect.h

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// OSB library ************************************************ -*- C++ -*-
/*
  AUTHOR(S): Stephan Broennimann (vb)

  RCS information
   $Name: OSB_060808 $
   $Revision: 1.14 $

  License
   OSB rating and billing library for communication networks
   Copyright (C) 2004, 2005, 2006  OSB systems

   This file may be distributed and/or modify under the terms of the
   GNU General Public License (GPL) as published by the Free Software
   Foundation which is provided in the file LICENSE.GPL included in the
   packaging of this file.

   The file 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.

   Holders of a OSB Commercial License may use this file under the terms
   and conditions of this commercial license.
 */
#ifndef _DATESELECT_H_
#define _DATESELECT_H_

// ************************************************************************
// included header files
// + standard includes

// + libraries
#include <qspinbox.h>
#include <qdatetime.h>

// + local headers

// ************************************************************************
// class declarations
class QGridLayout;
class QHBoxLayout;
class QPushButton;

// ************************************************************************
// namespace extensions
namespace OSB_GUI {

// ************************************************************************
// forward declarations
    class MonthSpin;
    class MonthDays;

// ************************************************************************
// class definitions
    class DateSelect : public QFrame {
        Q_OBJECT                        // for vim ->;
    public:
        enum SelectMode {
            smNever,
            smAlways,
            smToggleOn,
            smToggleOff
        };
    public:
        DateSelect(
            const QDate&   date,
                  QWidget* parent,
            const char*    name   = "dateSelect_",
                  WFlags   fl     = 0
        );
        explicit DateSelect(
                  QWidget* parent,
            const char*    name   = "dateSelect_",
                  WFlags   fl     = 0
        );
    public:
        QDate selected() const;
        void setSelected(const QDate& date);
        SelectMode selectMode() const;
        void setSelectMode(SelectMode mode);
        void popup(const QPoint& pos);
    signals:
        void selected(const QDate& date);

    private slots:
        void accept();

    private:
        void build(QDate date);
        void keyPressEvent(QKeyEvent* event);
    private:
        MonthSpin* monthSpin_;
        QSpinBox*  spYear_;
        MonthDays* monthDays_;
        QPushButton* pbOk_;

        QGridLayout* layout_;
        QHBoxLayout* spinLayout_;
    };                                  // class DateSelect

    class MonthDays : public QWidget {
        Q_OBJECT                        // for vim ->;
        static const int dw_ = 2;
        static const int dh_ = 0;
    public:
        typedef DateSelect::SelectMode SelectMode;
    public:
        MonthDays(
            const QDate&   date,
                  QWidget* parent,
            const char*    name = "monthDays_",
                  WFlags   f = 0
        );
        QDate selected() const;
        void setSelected(const QDate& date);
        SelectMode selectMode() const;
        void setSelectMode(SelectMode mode);
        bool showSelected() const;
        int width() const;
        int height() const;
    signals:
        void prevMonth();
        void nextMonth();
    public slots:
        void setMonth(int m);
        void setYear(int y);
    private:                            // overwritten virtuals
        void polish();
        void paintEvent(QPaintEvent*);
        void mousePressEvent(QMouseEvent* e);
        void keyPressEvent(QKeyEvent* e);
        void setYearMonth(const QDate& date);
    private:
        bool cursorKey(Qt::Key key);
        int day(int x, int y);
        void calcWidth();
        void calcMonth();
        void showCurrent(QPainter& p);
        void showSelected(QPainter& p);
        QRect dayRect(int d, bool withBorder);
        QRect wdayRect(int wd, bool withBorder);
    private:
        QDate curMonthYear_;
        SelectMode mode_;
        QDate selected_;
        int selectedDay_;
        int dayWidth_;
        int dayHeight_;
        int wdayWidth_;
        int wdayHeight_;
        int firstDay_;
        int numRows_;
    };                                  // class MonthDays

    class MonthSpin : public QSpinBox {
        Q_OBJECT                        // for vim ->;
    public:
        MonthSpin(
                  int      month,
                  QWidget* parent,
            const char*    name   = 0
        );
    signals:
        void prevYear();
        void nextYear();
    private:
        void valueChange();
        QString mapValueToText(int v);
    private:
        int calcWidth();
    private:
        int month_;
    };                                  // class MonthSpin
}                                       // namespace OSB_GUI
#endif                                  // #ifndef _DATESELECT_H_

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