Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeedu@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 427 insertions, 0 deletions

diff --git a/libkdeedu/extdate/extdatetbl.h b/libkdeedu/extdate/extdatetbl.h
new file mode 100644
index 00000000..ac9b7156
--- /dev/null
+++ b/libkdeedu/extdate/extdatetbl.h
@@ -0,0 +1,427 @@
+/*  -*- C++ -*-
+    This file is part of the KDE libraries
+    Copyright (C) 1997 Tim D. Gilman (tdgilman@best.org)
+              (C) 1998-2001 Mirko Boehm (mirko@kde.org)
+              (C) 2004 Jason Harris (jharris@30doradus.org)
+
+    These classes has been derived from those in kdatetbl.[h|cpp].
+    The only differences are adaptations to use ExtDate instead of QDate,
+    to allow for more remote dates.  These changes by Jason Harris.
+
+    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; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+#ifndef EXTDATETBL_H
+#define EXTDATETBL_H
+
+#include <qvalidator.h>
+#include <qgridview.h>
+#include <klineedit.h>
+#include "extcalendarsystemgregorian.h"
+
+class KPopupMenu;
+
+/** Week selection widget.
+* @internal
+* @version $Id$
+* @author Stephan Binner
+*/
+class ExtDateInternalWeekSelector : public KLineEdit
+{
+  Q_OBJECT
+protected:
+  QIntValidator *val;
+  int result;
+public slots:
+  void weekEnteredSlot();
+  void setMaxWeek(int max);
+signals:
+  void closeMe(int);
+public:
+  ExtDateInternalWeekSelector( QWidget* parent=0, const char* name=0);
+  int getWeek();
+  void setWeek(int week);
+
+private:
+  class ExtDateInternalWeekPrivate;
+  ExtDateInternalWeekPrivate *d;
+};
+
+/**
+* A table containing month names. It is used to pick a month directly.
+* @internal
+* @version $Id$
+* @author Tim Gilman, Mirko Boehm
+*/
+class ExtDateInternalMonthPicker : public QGridView
+{
+  Q_OBJECT
+protected:
+  /**
+   * Store the month that has been clicked [1..12].
+   */
+  int result;
+  /**
+   * the cell under mouse cursor when LBM is pressed
+   */
+  short int activeCol;
+  short int activeRow;
+  /**
+   * Contains the largest rectangle needed by the month names.
+   */
+  QRect max;
+signals:
+  /**
+   * This is send from the mouse click event handler.
+   */
+  void closeMe(int);
+public:
+  /**
+   * The constructor.
+   */
+  ExtDateInternalMonthPicker(const ExtDate& date, QWidget* parent, const char* name=0);
+  /**
+   * The destructor.
+   */
+  ~ExtDateInternalMonthPicker();
+  /**
+   * The size hint.
+   */
+  QSize sizeHint() const;
+  /**
+   * Return the result. 0 means no selection (reject()), 1..12 are the
+   * months.
+   */
+  int getResult() const;
+protected:
+  /**
+   * Set up the painter.
+   */
+  void setupPainter(QPainter *p);
+  /**
+   * The resize event.
+   */
+  virtual void viewportResizeEvent(QResizeEvent*);
+  /**
+   * Paint a cell. This simply draws the month names in it.
+   */
+  virtual void paintCell(QPainter* painter, int row, int col);
+  /**
+   * Catch mouse click and move events to paint a rectangle around the item.
+   */
+  virtual void contentsMousePressEvent(QMouseEvent *e);
+  virtual void contentsMouseMoveEvent(QMouseEvent *e);
+  /**
+   * Emit monthSelected(int) when a cell has been released.
+   */
+  virtual void contentsMouseReleaseEvent(QMouseEvent *e);
+
+private:
+  class ExtDateInternalMonthPrivate;
+  ExtDateInternalMonthPrivate *d;
+};
+
+/** Year selection widget.
+* @internal
+* @version $Id$
+* @author Tim Gilman, Mirko Boehm
+*/
+class ExtDateInternalYearSelector : public QLineEdit
+{
+  Q_OBJECT
+protected:
+  QIntValidator *val;
+  int result;
+public slots:
+  void yearEnteredSlot();
+signals:
+  void closeMe(int);
+public:
+  ExtDateInternalYearSelector( QWidget* parent=0, const char* name=0);
+  ~ExtDateInternalYearSelector();
+	int getYear();
+  void setYear(int year);
+
+private:
+  class ExtDateInternalYearPrivate {
+    public:
+    ExtDateInternalYearPrivate() {
+      calendar = new ExtCalendarSystemGregorian();
+    }
+		~ExtDateInternalYearPrivate() {
+			delete calendar;
+		}
+		ExtCalendarSystem *calendar;
+  };
+  ExtDateInternalYearPrivate *d;
+
+};
+
+/**
+ * Frame with popup menu behavior.
+ * @author Tim Gilman, Mirko Boehm
+ * @version $Id$
+ */
+class KPopupFrame : public QFrame
+{
+  Q_OBJECT
+protected:
+  /**
+   * The result. It is returned from exec() when the popup window closes.
+   */
+  int result;
+  /**
+   * Catch key press events.
+   */
+  virtual void keyPressEvent(QKeyEvent* e);
+  /**
+   * The only subwidget that uses the whole dialog window.
+   */
+  QWidget *main;
+public slots:
+  /**
+   * Close the popup window. This is called from the main widget, usually.
+   * @p r is the result returned from exec().
+   */
+  void close(int r);
+public:
+  /**
+   * The contructor. Creates a dialog without buttons.
+   */
+  KPopupFrame(QWidget* parent=0, const char*  name=0);
+  /**
+   * Set the main widget. You cannot set the main widget from the constructor,
+   * since it must be a child of the frame itselfes.
+   * Be careful: the size is set to the main widgets size. It is up to you to
+   * set the main widgets correct size before setting it as the main
+   * widget.
+   */
+  void setMainWidget(QWidget* m);
+  /**
+   * The resize event. Simply resizes the main widget to the whole
+   * widgets client size.
+   */
+  virtual void resizeEvent(QResizeEvent*);
+  /**
+   * Open the popup window at position pos.
+   */
+  void popup(const QPoint &pos);
+  /**
+   * Execute the popup window.
+   */
+  int exec(QPoint p);
+  /**
+   * Dito.
+   */
+  int exec(int x, int y);
+
+private:
+
+  virtual bool close(bool alsoDelete) { return QFrame::close(alsoDelete); }
+protected:
+  virtual void virtual_hook( int id, void* data );
+private:
+  class KPopupFramePrivate;
+  KPopupFramePrivate *d;
+};
+
+/**
+* Validates user-entered dates.
+*/
+class ExtDateValidator : public QValidator
+{
+public:
+    ExtDateValidator(QWidget* parent=0, const char* name=0);
+    virtual State validate(QString&, int&) const;
+    virtual void fixup ( QString & input ) const;
+    State date(const QString&, ExtDate&) const;
+};
+
+/**
+ * Date selection table.
+ * This is a support class for the ExtDatePicker class.  It just
+ * draws the calender table without titles, but could theoretically
+ * be used as a standalone.
+ *
+ * When a date is selected by the user, it emits a signal:
+ * dateSelected(ExtDate)
+ *
+ * @internal
+ * @version $Id$
+ * @author Tim Gilman, Mirko Boehm
+ */
+class ExtDateTable : public QGridView
+{
+    Q_OBJECT
+    //Q_PROPERTY( ExtDate date READ getDate WRITE setDate )
+    Q_PROPERTY( bool popupMenu READ popupMenuEnabled WRITE setPopupMenuEnabled )
+
+public:
+    /**
+     * The constructor.
+     */
+    ExtDateTable(QWidget *parent=0,
+	       ExtDate date=ExtDate::currentDate(),
+	       const char* name=0, WFlags f=0);
+
+    /**
+     * The destructor.
+     */
+    ~ExtDateTable();
+
+    /**
+     * Returns a recommended size for the widget.
+     * To save some time, the size of the largest used cell content is
+     * calculated in each paintCell() call, since all calculations have
+     * to be done there anyway. The size is stored in maxCell. The
+     * sizeHint() simply returns a multiple of maxCell.
+     */
+    virtual QSize sizeHint() const;
+    /**
+     * Set the font size of the date table.
+     */
+    void setFontSize(int size);
+    /**
+     * Select and display this date.
+     */
+    bool setDate(const ExtDate&);
+    // ### 4.0 rename to date()
+    const ExtDate& getDate() const;
+
+    /**
+     * Enables a popup menu when right clicking on a date.
+     *
+     * When it's enabled, this object emits a aboutToShowContextMenu signal
+     * where you can fill in the menu items.
+     *
+     * @since 3.2
+     */
+    void setPopupMenuEnabled( bool enable );
+
+    /**
+     * Returns if the popup menu is enabled or not
+     */
+    bool popupMenuEnabled() const;
+
+    enum BackgroundMode { NoBgMode=0, RectangleMode, CircleMode };
+
+    /**
+     * Makes a given date be painted with a given foregroundColor, and background
+     * (a rectangle, or a circle/ellipse) in a given color.
+     *
+     * @since 3.2
+     */
+    void setCustomDatePainting( const ExtDate &date, const QColor &fgColor, BackgroundMode bgMode=NoBgMode, const QColor &bgColor=QColor());
+
+    /**
+     * Unsets the custom painting of a date so that the date is painted as usual.
+     *
+     * @since 3.2
+     */
+    void unsetCustomDatePainting( const ExtDate &date );
+
+protected:
+    /**
+     * calculate the position of the cell in the matrix for the given date. The result is the 0-based index.
+     */
+    int posFromDate( const ExtDate &date ); // KDE4: make this virtual, so subclasses can reimplement this and use a different default for the start of the matrix
+    /**
+     * calculate the date that is displayed at a given cell in the matrix. pos is the
+     * 0-based index in the matrix. Inverse function to posForDate().
+     */
+    ExtDate dateFromPos( int pos ); // KDE4: make this virtual
+
+    /**
+     * Paint a cell.
+     */
+    virtual void paintCell(QPainter*, int, int);
+    /**
+     * Handle the resize events.
+     */
+    virtual void viewportResizeEvent(QResizeEvent *);
+    /**
+     * React on mouse clicks that select a date.
+     */
+    virtual void contentsMousePressEvent(QMouseEvent *);
+    virtual void wheelEvent( QWheelEvent * e );
+    virtual void keyPressEvent( QKeyEvent *e );
+    virtual void focusInEvent( QFocusEvent *e );
+    virtual void focusOutEvent( QFocusEvent *e );
+
+    // ### KDE 4.0 make the following private and mark as members
+
+    /**
+     * The font size of the displayed text.
+     */
+    int fontsize;
+    /**
+     * The currently selected date.
+     */
+    ExtDate date;
+    /**
+     * The day of the first day in the month [1..7].
+     */
+    int firstday;
+    /**
+     * The number of days in the current month.
+     */
+    int numdays;
+    /**
+     * The number of days in the previous month.
+     */
+    int numDaysPrevMonth;
+    /**
+     * unused
+     * ### remove in KDE 4.0
+     */
+    bool unused_hasSelection;
+    /**
+     * Save the size of the largest used cell content.
+     */
+    QRect maxCell;
+signals:
+    /**
+     * The selected date changed.
+     */
+    void dateChanged(const ExtDate&);
+    /**
+     * This function behaves essentially like the one above.
+     * The selected date changed.
+     * @param cur The current date
+     * @param old The date before the date was changed
+     */
+    void dateChanged(const ExtDate& cur, const ExtDate& old);
+    /**
+     * A date has been selected by clicking on the table.
+     */
+    void tableClicked();
+
+    /**
+     * A popup menu for a given date is about to be shown (as when the user
+     * right clicks on that date and the popup menu is enabled). Connect
+     * the slot where you fill the menu to this signal.
+     *
+     * @since 3.2
+     */
+    void aboutToShowContextMenu( KPopupMenu * menu, const ExtDate &date);
+
+protected:
+  virtual void virtual_hook( int id, void* data );
+private:
+    class ExtDateTablePrivate;
+    ExtDateTablePrivate *d;
+};
+
+#endif // EXTDATETBL_H