workspace/libs/plasmaclock/calendartable.h

   1 /*
   2  *   Copyright 2008 Davide Bettio <davide.bettio@kdemail.net>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU Library General Public License as
   6  *   published by the Free Software Foundation; either version 2, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details
  13  *
  14  *   You should have received a copy of the GNU Library General Public
  15  *   License along with this program; if not, write to the
  16  *   Free Software Foundation, Inc.,
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19
  20 #ifndef PLASMA_CALENDARWIDGET_H
  21 #define PLASMA_CALENDARWIDGET_H
  22
  23 #include <QtGui/QGraphicsWidget>
  24
  25 #include "plasmaclock_export.h"
  26
  27 #include <kcalendarsystem.h>
  28
  29 namespace Plasma
  30 {
  31
  32 class CalendarTablePrivate;
  33
  34 class PLASMACLOCK_EXPORT CalendarTable : public QGraphicsWidget
  35 {
  36     Q_OBJECT
  37
  38 public:
  39     enum CellType { NoType = 0,
  40                     Today = 1,
  41                     Selected = 2,
  42                     Hovered = 4,
  43                     NotInCurrentMonth = 8 };
  44     Q_DECLARE_FLAGS(CellTypes, CellType)
  45
  46     explicit CalendarTable(QGraphicsWidget *parent = 0);
  47     CalendarTable(const QDate &, QGraphicsWidget *parent = 0);
  48     ~CalendarTable();
  49
  50     const KCalendarSystem *calendar () const;
  51
  52     bool setDate(const QDate &date);
  53     const QDate& date() const;
  54
  55     bool setCalendar(KCalendarSystem *calendar = 0);
  56
  57 Q_SIGNALS:
  58     void dateChanged(const QDate &cur, const QDate &old);
  59     void dateChanged(const QDate &date);
  60     void tableClicked();
  61     void displayedMonthChanged(int calendarSystemYear, int calendarSystemMonth);
  62     void displayedYearChanged(int calendarSystemYear, int calendarSystemMonth);
  63
  64 protected:
  65     int cellX(int weekDay);
  66     int cellY(int week);
  67
  68     void paint(QPainter *p, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
  69     void wheelEvent(QGraphicsSceneWheelEvent *event);
  70     void mousePressEvent(QGraphicsSceneMouseEvent *event);
  71     void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
  72     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
  73     void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
  74     void resizeEvent(QGraphicsSceneResizeEvent * event);
  75
  76     virtual void paintCell(QPainter *p, int cell, int week, int weekDay, CellTypes type, const QDate &cellDate);
  77     virtual void paintBorder(QPainter *p, int cell, int week, int weekDay, CellTypes type, const QDate &cellDate);
  78
  79 private:
  80     friend class CalendarTablePrivate;
  81     CalendarTablePrivate* const d;
  82 };
  83
  84 }
  85
  86 Q_DECLARE_OPERATORS_FOR_FLAGS(Plasma::CalendarTable::CellTypes)
  87 #endif