Better datepicker

2 files changed, 21 insertions, 8 deletions

diff --git a/microkde/kdatetbl.cpp b/microkde/kdatetbl.cpp
index 0a2d1f5..146291b 100644
--- a/microkde/kdatetbl.cpp
+++ b/microkde/kdatetbl.cpp
@@ -1,562 +1,574 @@
 /*  -*- 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)
     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., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 
 /////////////////// KDateTable widget class //////////////////////
 //
 // Copyright (C) 1997 Tim D. Gilman
 //           (C) 1998-2001 Mirko Boehm
 // Written using Qt (http://www.troll.no) for the
 // KDE project (http://www.kde.org)
 //
 // This is a support class for the KDatePicker 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(QDate)
 
 #include <kglobal.h>
 #include <kglobalsettings.h>
 #include <kapplication.h>
 #include <klocale.h>
 #include <kdebug.h>
 #include <knotifyclient.h>
 #include "kdatetbl.h"
 #include <qdatetime.h>
 #include <qstring.h>
 #include <qpen.h>
 #include <qpainter.h>
 #include <qdialog.h>
 #include <assert.h>
 #include <qapplication.h>
 
 KDateValidator::KDateValidator(QWidget* parent, const char* name)
     : QValidator(parent, name)
 {
 }
 
 QValidator::State
 KDateValidator::validate(QString& text, int&) const
 {
   QDate temp;
   // ----- everything is tested in date():
   return date(text, temp);
 }
 
 QValidator::State
 KDateValidator::date(const QString& text, QDate& d) const
 {
   QDate tmp = KGlobal::locale()->readDate(text);
   if (!tmp.isNull())
     {
       d = tmp;
       return Acceptable;
     } else
       return Valid;
 }
 
 void
 KDateValidator::fixup( QString& ) const
 {
 
 }
 
 KDateTable::KDateTable(QWidget *parent, QDate date_, const char* name, WFlags f)
   : QGridView(parent, name, f)
 {
   setFontSize(10);
   if(!date_.isValid())
     {
       date_=QDate::currentDate();
     }
   setFocusPolicy( QWidget::StrongFocus );
   setNumRows(7); // 6 weeks max + headline
   setNumCols(7); // 7 days a week
   setHScrollBarMode(AlwaysOff);
   setVScrollBarMode(AlwaysOff);
   viewport()->setBackgroundColor(QColor(220,245,255));
 #if 0
   viewport()->setEraseColor(lightGray);
 #endif
+  mMarkCurrent = false;
   setDate(date_); // this initializes firstday, numdays, numDaysPrevMonth
 }
 
 void
 KDateTable::paintCell(QPainter *painter, int row, int col)
 {
   QRect rect;
   QString text;
   QPen pen;
   int w=cellWidth();
   int h=cellHeight();
   int pos;
   QBrush brushBlue(blue);
   QBrush brushLightblue(QColor(220,245,255));
   QFont font=KGlobalSettings::generalFont();
   // -----
   font.setPointSize(fontsize);
   if(row==0)
     { // we are drawing the headline
       font.setBold(true);
       painter->setFont(font);
       bool normalday = true;
       QString daystr;
       if (KGlobal::locale()->weekStartsMonday())
         {
           daystr = KGlobal::locale()->weekDayName(col+1, true);
           if (col == 5 || col == 6)
               normalday = false;
         } else {
           daystr = KGlobal::locale()->weekDayName(col==0? 7 : col, true);
           if (col == 0 || col == 6)
               normalday = false;
         }
       if (!normalday)
         {
           painter->setPen(QColor(220,245,255));
           painter->setBrush(brushLightblue);
           painter->drawRect(0, 0, w, h);
           painter->setPen(blue);
         } else {
           painter->setPen(blue);
           painter->setBrush(brushBlue);
           painter->drawRect(0, 0, w, h);
           painter->setPen(white);
         }
       painter->drawText(0, 0, w, h-1, AlignCenter,
                         daystr, -1, &rect);
       painter->setPen(black);
       painter->moveTo(0, h-1);
       painter->lineTo(w-1, h-1);
       // ----- draw the weekday:
     } else {
       painter->setFont(font);
       pos=7*(row-1)+col;
       if (KGlobal::locale()->weekStartsMonday())
           pos++;
       if(pos<firstday || (firstday+numdays<=pos))
         { // we are either
           // ° painting a day of the previous month or
           // ° painting a day of the following month
           if(pos<firstday)
             { // previous month
               text.setNum(numDaysPrevMonth+pos-firstday+1);
             } else { // following month
               text.setNum(pos-firstday-numdays+1);
             }
           painter->setPen(gray);
         } else { // paint a day of the current month
           text.setNum(pos-firstday+1);
           painter->setPen(black);
         }
 
       pen=painter->pen();
       if(firstday+date.day()-1==pos)
         {
+            if(mMarkCurrent && firstday+QDate::currentDate().day()-1==pos)
+                painter->setPen(green);
+            else
+                painter->setPen(red);
           if(hasFocus())
-            { // draw the currently selected date
-              painter->setPen(red);
-              painter->setBrush(darkRed);
-              pen=white;
+              {  
+                  painter->setBrush(darkRed);
+                  pen=white;
             } else {
-              painter->setPen(darkGray);
               painter->setBrush(darkGray);
               pen=white;
             }
         } else {
-          painter->setBrush(QColor(220,245,255));
-          painter->setPen(QColor(220,245,255));
-        }
+          if(mMarkCurrent && firstday+QDate::currentDate().day()-1==pos)
+              {
+                  painter->setPen(green);
+                  painter->setBrush(darkGreen);
+                  pen=white;
+              } else {
+              painter->setBrush(QColor(220,245,255));
+              painter->setPen(QColor(220,245,255));
+          }
+      }
       painter->drawRect(0, 0, w, h);
       painter->setPen(pen);
       painter->drawText(0, 0, w, h, AlignCenter, text, -1, &rect);
     }
   if(rect.width()>maxCell.width()) maxCell.setWidth(rect.width());
   if(rect.height()>maxCell.height()) maxCell.setHeight(rect.height());
 }
 
 void
 KDateTable::keyPressEvent( QKeyEvent *e )
 {
     /*
     // not working properly
     if ( e->key() == Qt::Key_Prior ) {
         if ( date.month() == 1 ) {
             KNotifyClient::beep();
             return;
         }
         int day = date.day();
         if ( day > 27 )
             while ( !QDate::isValid( date.year(), date.month()-1, day ) )
                 day--;
         setDate(QDate(date.year(), date.month()-1, day));
         return;
     }
     if ( e->key() == Qt::Key_Next ) {
         if ( date.month() == 12 ) {
             KNotifyClient::beep();
             return;
         }
         int day = date.day();
         if ( day > 27 )
             while ( !QDate::isValid( date.year(), date.month()+1, day ) )
                 day--;
         setDate(QDate(date.year(), date.month()+1, day));
         return;
     }
     */
     int dayoff = KGlobal::locale()->weekStartsMonday() ? 1 : 0;
 
     int temp=firstday+date.day()-dayoff;
     int pos = temp;
     bool irgnore = true;
     if ( e->state() != Qt::ControlButton ) {
     if ( e->key() == Qt::Key_Up ) {
         pos -= 7;
         irgnore = false;
     }
     if ( e->key() == Qt::Key_Down ) {
         pos += 7;
         irgnore = false;
     }
     if ( e->key() == Qt::Key_Left ) {
         pos--;
         irgnore = false;
     }
     if ( e->key() == Qt::Key_Right ) {
         pos++;
         irgnore = false;
     }
     } 
     if ( irgnore )
         e->ignore();
 
     if(pos+dayoff<=firstday)
     { // this day is in the previous month
         KNotifyClient::beep();
         return;
     }
     if(firstday+numdays<pos+dayoff)
     { // this date is in the next month
         KNotifyClient::beep(i18n( "Month not long enough" ));
         return;
     }
 
     if ( pos == temp )
         return;
 
     setDate(QDate(date.year(), date.month(), pos-firstday+dayoff));
     updateCell(temp/7+1, temp%7); // Update the previously selected cell
     updateCell(pos/7+1, pos%7); // Update the selected cell
     assert(QDate(date.year(), date.month(), pos-firstday+dayoff).isValid());
   
 
 }
 
 void
 KDateTable::viewportResizeEvent(QResizeEvent * e)
 {
   QGridView::viewportResizeEvent(e);
 
   setCellWidth(viewport()->width()/7);
   setCellHeight(viewport()->height()/7);
 }
 
 void
 KDateTable::setFontSize(int size)
 {
   int count;
   QRect rect;
   // ----- store rectangles:
   fontsize=size;
   QFont font = KGlobalSettings::generalFont();
   font.setPointSize(fontsize);
   font.setBold( true );
   QFontMetrics metrics(font);
 
   // ----- find largest day name:
   maxCell.setWidth(0);
   maxCell.setHeight(0);
   for(count=0; count<7; ++count)
     {
       rect=metrics.boundingRect(KGlobal::locale()->weekDayName(count+1, true));
       maxCell.setWidth(QMAX(maxCell.width(), rect.width()));
       maxCell.setHeight(QMAX(maxCell.height(), rect.height()));
     }
   // ----- compare with a real wide number and add some space:
   rect=metrics.boundingRect(QString::fromLatin1("88"));
   maxCell.setWidth(QMAX(maxCell.width()+2, rect.width()));
   maxCell.setHeight(QMAX(maxCell.height()+4, rect.height()));
   if ( maxCell.width() * 1000 / maxCell.height()  > 1900 )
       maxCell.setHeight(maxCell.width() * 1000 / 1900 );
 }
 
 void
 KDateTable::contentsMousePressEvent(QMouseEvent *e)
 {
   if(e->type()!=QEvent::MouseButtonPress)
     { // the KDatePicker only reacts on mouse press events:
       return;
     }
   if(!isEnabled())
     {
       KNotifyClient::beep();
       return;
     }
 
   int dayoff = KGlobal::locale()->weekStartsMonday() ? 1 : 0;
   // -----
   int row, col, pos, temp;
   QPoint mouseCoord;
   // -----
   mouseCoord = e->pos();
   row=rowAt(mouseCoord.y());
   col=columnAt(mouseCoord.x());
   if(row<0 || col<0)
     { // the user clicked on the frame of the table
       return;
     }
   pos=7*(row-1)+col+1;
   if(pos+dayoff<=firstday)
     { // this day is in the previous month
       KNotifyClient::beep();
       return;
     }
   if(firstday+numdays<pos+dayoff)
     { // this date is in the next month
       KNotifyClient::beep();
       return;
     }
   temp=firstday+date.day()-dayoff-1;
   setDate(QDate(date.year(), date.month(), pos-firstday+dayoff));
   updateCell(temp/7+1, temp%7); // Update the previously selected cell
   updateCell(row, col); // Update the selected cell
   // assert(QDate(date.year(), date.month(), pos-firstday+dayoff).isValid());
   emit(tableClicked());
 }
 
 bool
 KDateTable::setDate(const QDate& date_)
 {
   bool changed=false;
   QDate temp;
+  mMarkCurrent = false;
   // -----
   if(!date_.isValid())
     {
       kdDebug() << "KDateTable::setDate: refusing to set invalid date." << endl;
       return false;
     }
   if(date!=date_)
     {
       date=date_;
       changed=true;
     }
+  mMarkCurrent = ( date.month() ==  QDate::currentDate().month() && date.year() ==  QDate::currentDate().year() );
   temp.setYMD(date.year(), date.month(), 1);
   firstday=temp.dayOfWeek();
   if(firstday==1) firstday=8;
   numdays=date.daysInMonth();
   if(date.month()==1)
     { // set to december of previous year
       temp.setYMD(date.year()-1, 12, 1);
     } else { // set to previous month
       temp.setYMD(date.year(), date.month()-1, 1);
     }
   numDaysPrevMonth=temp.daysInMonth();
   if(changed)
     {
       repaintContents(false);
     }
   emit(dateChanged(date));
   return true;
 }
 
 const QDate&
 KDateTable::getDate() const
 {
   return date;
 }
 
 void KDateTable::focusInEvent( QFocusEvent *e )
 {
     repaintContents(false);
     QGridView::focusInEvent( e );
 }
 
 void KDateTable::focusOutEvent( QFocusEvent *e )
 {
     repaintContents(false);
     QGridView::focusOutEvent( e );
 }
 
 QSize
 KDateTable::sizeHint() const
 {
   if(maxCell.height()>0 && maxCell.width()>0)
     {
       return QSize((maxCell.width()+2)*numCols()+2*frameWidth(),
              (maxCell.height()+4)*numRows()+2*frameWidth());
     } else {
       return QSize(-1, -1);
     }
 }
 
 KDateInternalMonthPicker::KDateInternalMonthPicker
 (int fontsize, QWidget* parent, const char* name)
   : QGridView(parent, name),
     result(0) // invalid
 {
   QRect rect;
   QFont font;
   // -----
   activeCol = -1;
   activeRow = -1;
   font=KGlobalSettings::generalFont();
   font.setPointSize(fontsize);
   setFont(font);
   setHScrollBarMode(AlwaysOff);
   setVScrollBarMode(AlwaysOff);
   setFrameStyle(QFrame::NoFrame);
   setNumRows(4);
   setNumCols(3);
   // enable to find drawing failures:
   // setTableFlags(Tbl_clipCellPainting);
 #if 0
   viewport()->setEraseColor(lightGray); // for consistency with the datepicker
 #endif
   // ----- find the preferred size
   //       (this is slow, possibly, but unfortunatly it is needed here):
   QFontMetrics metrics(font);
   for(int i=1; i <= 12; ++i)
     {
       rect=metrics.boundingRect(KGlobal::locale()->monthName(i, false));
       if(max.width()<rect.width()) max.setWidth(rect.width());
       if(max.height()<rect.height()) max.setHeight(rect.height());
     }
 
 }
 
 QSize
 KDateInternalMonthPicker::sizeHint() const
 {
   return QSize((max.width()+6)*numCols()+2*frameWidth(),
          (max.height()+6)*numRows()+2*frameWidth());
 }
 
 int
 KDateInternalMonthPicker::getResult() const
 {
   return result;
 }
 
 void
 KDateInternalMonthPicker::setupPainter(QPainter *p)
 {
   p->setPen(black);
 }
 
 void
 KDateInternalMonthPicker::viewportResizeEvent(QResizeEvent*)
 {
   setCellWidth(width()/3);
   setCellHeight(height()/4);
 }
 
 void
 KDateInternalMonthPicker::paintCell(QPainter* painter, int row, int col)
 {
   int index;
   QString text;
   // ----- find the number of the cell:
   index=3*row+col+1;
   text=KGlobal::locale()->monthName(index, false);
   painter->drawText(0, 0, cellWidth(), cellHeight(), AlignCenter, text);
   if ( activeCol == col && activeRow == row )
       painter->drawRect( 0, 0, cellWidth(), cellHeight() );
 }
 
 void
 KDateInternalMonthPicker::contentsMousePressEvent(QMouseEvent *e)
 {
   if(!isEnabled() || e->button() != LeftButton)
     {
       KNotifyClient::beep();
       return;
     }
   // -----
   int row, col;
   QPoint mouseCoord;
   // -----
   mouseCoord = e->pos();
   row=rowAt(mouseCoord.y());
   col=columnAt(mouseCoord.x());
 
   if(row<0 || col<0)
     { // the user clicked on the frame of the table
       activeCol = -1;
       activeRow = -1;
     } else {
       activeCol = col;
       activeRow = row;
       updateCell( row, col /*, false */ );
   }
 }
 
 void
 KDateInternalMonthPicker::contentsMouseMoveEvent(QMouseEvent *e)
 {
   if (e->state() & LeftButton)
     {
       int row, col;
       QPoint mouseCoord;
       // -----
       mouseCoord = e->pos();
       row=rowAt(mouseCoord.y());
       col=columnAt(mouseCoord.x());
       int tmpRow = -1, tmpCol = -1;
       if(row<0 || col<0)
         { // the user clicked on the frame of the table
           if ( activeCol > -1 )
             {
               tmpRow = activeRow;
               tmpCol = activeCol;
             }
           activeCol = -1;
           activeRow = -1;
         } else {
           bool differentCell = (activeRow != row || activeCol != col);
           if ( activeCol > -1 && differentCell)
             {
               tmpRow = activeRow;
               tmpCol = activeCol;
             }
           if ( differentCell)
             {
               activeRow = row;
               activeCol = col;
               updateCell( row, col /*, false */ ); // mark the new active cell
             }
         }
       if ( tmpRow > -1 ) // repaint the former active cell
           updateCell( tmpRow, tmpCol /*, true */ );
     }
 }
 
 void
 KDateInternalMonthPicker::contentsMouseReleaseEvent(QMouseEvent *e)
diff --git a/microkde/kdatetbl.h b/microkde/kdatetbl.h
index df7b7ef..b4d3e16 100644
--- a/microkde/kdatetbl.h
+++ b/microkde/kdatetbl.h
@@ -56,253 +56,254 @@ signals:
 public:
   /**
    * The constructor.
    */
   KDateInternalMonthPicker(int fontsize, QWidget* parent, const char* name=0);
   /**
    * 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.
    */
   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.
    */
   void contentsMousePressEvent(QMouseEvent *e);
   void contentsMouseMoveEvent(QMouseEvent *e);
   /**
    * Emit monthSelected(int) when a cell has been released.
    */
   void contentsMouseReleaseEvent(QMouseEvent *e);
 
 private:
   class KDateInternalMonthPrivate;
   KDateInternalMonthPrivate *d;
 };
 
 /** Year selection widget.
 * @internal
 * @version $Id$
 * @author Tim Gilman, Mirko Boehm
 */
 class KDateInternalYearSelector : public QLineEdit
 {
   Q_OBJECT
 protected:
   QIntValidator *val;
   int result;
 public slots:
   void yearEnteredSlot();
 signals:
   void closeMe(int);
 public:
   KDateInternalYearSelector(int fontsize,
 			    QWidget* parent=0,
 			    const char* name=0);
   int getYear();
   void setYear(int year);
 
 private:
   class KDateInternalYearPrivate;
   KDateInternalYearPrivate *d;
 };
 
 /**
  * Frame with popup menu behaviour.
  * @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.
    */
   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.
    */
   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 KDateValidator : public QValidator
 {
 public:
     KDateValidator(QWidget* parent=0, const char* name=0);
     virtual State validate(QString&, int&) const;
     virtual void fixup ( QString & input ) const;
     State date(const QString&, QDate&) const;
 };
 
 /**
  * Date selection table.
  * This is a support class for the KDatePicker 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(QDate)
  *
  * @internal
  * @version $Id$
  * @author Tim Gilman, Mirko Boehm
  */
 class KDateTable : public QGridView
 {
     Q_OBJECT
 public:
     /**
      * The constructor.
      */
     KDateTable(QWidget *parent=0,
 	       QDate date=QDate::currentDate(),
 	       const char* name=0, WFlags f=0);
     /**
      * 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 QDate&);
     const QDate& getDate() const;
 
 
 protected:
+    bool mMarkCurrent;
     /**
      * 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 keyPressEvent( QKeyEvent *e );
     virtual void focusInEvent( QFocusEvent *e );
     virtual void focusOutEvent( QFocusEvent *e );
     /**
      * The font size of the displayed text.
      */
     int fontsize;
     /**
      * The currently selected date.
      */
     QDate 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
      */
     bool unused_hasSelection;
     /**
      * Save the size of the largest used cell content.
      */
     QRect maxCell;
 signals:
     /**
      * The selected date changed.
      */
     void dateChanged(QDate);
     /**
      * A date has been selected by clicking on the table.
      */
     void tableClicked();
 
 protected:
   virtual void virtual_hook( int id, void* data );
 private:
     class KDateTablePrivate;
     KDateTablePrivate *d;
 };
 
 #endif // KDATETBL_H