/********************************************************************************
*                                                                               *
*                   B a s e   C a l e n d a r   W i d g e t                     *
*                                                                               *
*********************************************************************************
* Copyright (C) 2006,2025 by Sander Jansen.   All Rights Reserved.              *
*********************************************************************************
* This library is free software; you can redistribute it and/or modify          *
* it under the terms of the GNU Lesser General Public License as published by   *
* the Free Software Foundation; either version 3 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 Lesser General Public License for more details.                           *
*                                                                               *
* You should have received a copy of the GNU Lesser General Public License      *
* along with this program.  If not, see <http://www.gnu.org/licenses/>          *
********************************************************************************/
#ifndef FXCALENDARVIEW_H
#define FXCALENDARVIEW_H

#ifndef FXWINDOW_H
#include "FXWindow.h"
#endif

namespace FX {


/// Calendar styles
enum {
  CALENDAR_BROWSESELECT = 0x00000000,   /// Browse selection mode enforces one single item to be selected at all times
  CALENDAR_SINGLESELECT = 0x00100000,   /// Single selection mode allows up to one item to be selected
  CALENDAR_WEEKNUMBERS  = 0x00200000,   /// Show ISO8601 Week numbers
  CALENDAR_STATIC       = 0x00400000,   /// Disable navigation to prev/next month in display.
  CALENDAR_HIDEOTHER    = 0x00800000,   /// Do not show days of other months.
  };


class FXFont;


/**
* The Basic Calendar Widget. Renders the base calendar and keeps track of selection.
* Most usefull to widget developers. Use it if you need a calendar rendered in some component.
*/
class FXAPI FXCalendarView : public FXWindow {
FXDECLARE(FXCalendarView)
protected:
  FXFont  *font;                // Font
  FXDate   current;             // Current Date
  FXDate   selected;            // Selected Date
  FXDate   ds;                  // First Day in Calendar
  FXint    month;               // Which month is being viewed.
  FXint    firstday;            // Which day of the week we display in the first column
  FXint    ws;                  // First week number in Calendar
  FXColor  todayColor;          // Today Color
  FXColor  titleColor;          // Title Color
  FXColor  titleBackColor;      // Title Back Color
  FXColor  dayColor;            // Normal Day Color
  FXColor  otherDayColor;       // Normal Day Color Disabled
  FXColor  weekendColor;        // Weekend Color
  FXColor  otherWeekendColor;   // Weekend Color Disabled
  FXbool   has_selection;       // If any date is selected
  FXbool   state;               // State
protected:
  FXCalendarView();
  void moveFocus(FXDate);
  void markdirty(FXDate);
  void updateview(FXbool notify=true);
private:
  FXCalendarView(const FXCalendarView&);
  FXCalendarView &operator=(const FXCalendarView&);
public:
  long onPaint(FXObject*,FXSelector,void*);
  long onLeftBtnPress(FXObject*,FXSelector,void*);
  long onLeftBtnRelease(FXObject*,FXSelector,void*);
  long onKeyPress(FXObject*,FXSelector,void*);
  long onKeyRelease(FXObject*,FXSelector,void*);
  long onFocusIn(FXObject*,FXSelector,void*);
  long onFocusOut(FXObject*,FXSelector,void*);
  long onClicked(FXObject*,FXSelector,void*);
  long onDoubleClicked(FXObject*,FXSelector,void*);
  long onTripleClicked(FXObject*,FXSelector,void*);
  long onCommand(FXObject*,FXSelector,void*);
  long onCmdSetValue(FXObject*,FXSelector,void*);
  long onCmdSetIntValue(FXObject*,FXSelector,void*);
  long onCmdGetIntValue(FXObject*,FXSelector,void*);
public:

  /// Construct a Calendar View
  FXCalendarView(FXComposite *p,FXObject* tgt=nullptr,FXSelector sel=0,FXuint opts=CALENDAR_BROWSESELECT,FXint x=0,FXint y=0,FXint w=0,FXint h=0);

  /// Create server-side resources
  virtual void create();

  /// Detach server-side resources
  virtual void detach();

  /// Yes we can
  virtual FXbool canFocus() const;

  /// Set focus
  virtual void setFocus();

  /// Kill focus
  virtual void killFocus();

  /// Enable the window
  virtual void enable();

  /// Disable the window
  virtual void disable();

  /// Return the default width of this window
  virtual FXint getDefaultWidth();

  /// Return the default height of this window
  virtual FXint getDefaultHeight();

  /// Get date at x,y if any
  FXbool getDateAt(FXint x,FXint y,FXDate& date) const;

  /// Set date
  void setCurrentDate(FXDate date,FXbool notify=false);

  /// Get the current date
  FXDate getCurrentDate() const { return current; }

  /// Set the current month; current day will be properly updated for the choosen month
  void setCurrentMonth(FXint month,FXbool notify=false);

  /**
  * Return the current month shown. The month may be different than the current
  * date if a day in a sibling month is current.
  */
  FXint getCurrentMonth() const { return month; }

  /// Select Date
  void selectDate(FXDate date,FXbool notify=false);

  /// Deselect Date
  void killSelection(FXbool notify=false);

  /// Get the selected date, if any
  FXbool getSelectedDate(FXDate& date) const;

  /// Set the first day of the week [0...6]
  void setFirstDay(FXint d);

  /// Get the first day of the week [0...6]
  FXint getFirstDay() const { return firstday; }

  /// Set the calendar style
  void setCalendarStyle(FXuint);

  /// Get the calendar style
  FXuint getCalendarStyle() const;

  /// Set the display color of titles
  void setTitleColor(FXColor c);

  /// Get the display color of titles
  FXColor getTitleColor() const { return titleColor; }

  /// Set the display background color of titles
  void setTitleBackColor(FXColor c);

  /// Get the display background color of titles
  FXColor getTitleBackColor() const { return titleBackColor; }

  /// Set the display color of non-weekend days
  void setDayColor(FXColor c);

  /// Get the display color of non-weekend days
  FXColor getDayColor() const { return dayColor; }

  /// Set the display color of non-weekend days not in the current month
  void setOtherDayColor(FXColor c);

  /// Get the display color of non-weekend days not in the current month
  FXColor getOtherDayColor() const { return otherDayColor; }

  /// Set the display color of today
  void setTodayColor(FXColor c);

  /// Get the display color of today
  FXColor getTodayColor() const { return todayColor; }

  /// Set the display color of days in the weekend
  void setWeekendColor(FXColor c);

  /// Get the display color of days in the weekend
  FXColor getWeekendColor() const { return weekendColor; }

  /// Set the display color of days in the weekend not in the current month
  void setOtherWeekendColor(FXColor c);

  /// Get the display color of days in the weekend not in the current month
  FXColor getOtherWeekendColor() const { return otherWeekendColor; }

  /// Set the text font
  void setFont(FXFont *fnt);

  /// Get the text font
  FXFont* getFont() const { return font; }

  /// Destructor
  virtual ~FXCalendarView();
  };

}

#endif

