CCalendar.h

/*
╔══════════════════════════════════════════════════════════════════════════════╗
║                       SIMPLY POWERFUL TOOLKIT (SPTK)                         ║
╟──────────────────────────────────────────────────────────────────────────────╢
║  copyright            © 1999-2022 Alexey Parshin. All rights reserved.       ║
║  email                alexeyp@gmail.com                                      ║
╚══════════════════════════════════════════════════════════════════════════════╝
┌──────────────────────────────────────────────────────────────────────────────┐
│   This library is free software; you can redistribute it and/or modify it    │
│   under the terms of the GNU Library General Public License as published by  │
│   the Free Software Foundation; either version 2 of the License, or (at your │
│   option) any later version.                                                 │
│                                                                              │
│   This library 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 Library   │
│   General Public License for more details.                                   │
│                                                                              │
│   You should have received a copy of the GNU Library General Public License  │
│   along with this library; if not, write to the Free Software Foundation,    │
│   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.               │
│                                                                              │
│   Please report all bugs and problems to alexeyp@gmail.com.                  │
└──────────────────────────────────────────────────────────────────────────────┘
*/
 
#pragma once
 
#include <sptk5/DateTime.h>
#include <sptk5/gui/CControl.h>
#include <sptk5/gui/CLayoutClient.h>
#include <sptk5/gui/CPopupWindow.h>
 
class Fl_Box;
 
class Fl_Button;
 
namespace sptk {
 
class SP_EXPORT CCalendar
    : public ::Fl_Group
    , public CLayoutClient
{
    Fl_Group* m_headerBox;
    Fl_Group* m_buttonBox;
    Fl_Box* m_monthNameBox;
    std::array<Fl_Box*, 7> m_dayNameBoxes;
    std::array<Fl_Button*, 31> m_dayButtons;
    std::array<Fl_Button*, 4> m_switchButtons;
    DateTime m_date;
    std::string m_headerLabel;
    int m_activeButtonIndex;
    std::array<char, 14> m_weekDayLabels;
 
    static void cbDayButtonClicked(Fl_Widget*, void*);
 
    static void cbSwitchButtonClicked(Fl_Widget*, void*);
 
    void ctor_init();
 
protected:
    void dayButtonClicked(uint32_t day);
 
    void switchButtonClicked(int32_t monthChange);
 
public:
    CCalendar(const char* label, int layoutSize = 20, CLayoutAlign layoutAlignment = CLayoutAlign::TOP);
 
    CCalendar(int x, int y, int w, int h, const char* label = nullptr);
 
    void resize(int x, int y, int w, int h) override;
 
    int maxHeight() const;
 
    void autoHeight(int minHeight);
 
    void date(DateTime dt);
 
    DateTime date() const;
};
 
class SP_EXPORT CPopupCalendar
    : public CPopupWindow
{
    friend class CCalendar;
 
    CCalendar* m_calendar;
 
    Fl_Widget* m_dateControl;
 
protected:
    int handle(int) override;
 
public:
    explicit CPopupCalendar(Fl_Widget* dateControl);
 
    void attachTo(Fl_Widget* dateControl)
    {
        m_dateControl = dateControl;
    }
 
    void resize(int x, int y, int w, int h) override;
 
    void clicked()
    {
        m_clicked = 1;
    }
 
    void date(DateTime dt)
    {
        m_calendar->date(dt);
    }
 
    DateTime date() const
    {
        return m_calendar->date();
    }
 
    bool showModal() override;
};
} // namespace sptk