3 files changed, 259 insertions, 21 deletions

diff --git a/core/pim/datebook/datebook.cpp b/core/pim/datebook/datebook.cpp
index 2c2965e..c0d45c9 100644
--- a/core/pim/datebook/datebook.cpp
+++ b/core/pim/datebook/datebook.cpp
@@ -985,5 +985,7 @@ Event DateBookDBHack::eventByUID(int uid) {
     }
 
     qDebug("Event not found: uid=%d\n", uid);
+    Event ev;
+    return ev; // return at least
 }
 
diff --git a/core/pim/datebook/datebookday.cpp b/core/pim/datebook/datebookday.cpp
index 67a88e9..c15ccef 100644
--- a/core/pim/datebook/datebookday.cpp
+++ b/core/pim/datebook/datebookday.cpp
@@ -17,6 +17,7 @@
 ** not clear to you.
 **
 **********************************************************************/
+#include <qmessagebox.h>
 
 #include "datebookday.h"
 #include "datebookdayheaderimpl.h"
@@ -36,6 +37,8 @@
 #include <qtextcodec.h>
 #include <qpalette.h>
 
+#include <qtimer.h>
+
 DateBookDayView::DateBookDayView( bool whichClock, QWidget *parent,
                                   const char *name )
     : QTable( 24, 1, parent, name ),
@@ -57,6 +60,7 @@ DateBookDayView::DateBookDayView( bool whichClock, QWidget *parent,
     for ( row = 0; row < numRows(); row++ ) {
         tmp = new QTableItem( this, QTableItem::Never, QString::null);
         setItem( row, 0, tmp );
+        setRowHeight( row, 40);
     }
     initHeader();
     QObject::connect( qApp, SIGNAL(clockChanged(bool)),
@@ -119,9 +123,13 @@ void DateBookDayView::paintCell( QPainter *p, int, int, const QRect &cr, bool )
         int x2 = w - 1;
         int y2 = h - 1;
         QPen pen( p->pen() );
-        p->setPen( colorGroup().mid() );
+        p->setPen( colorGroup().dark() );
         p->drawLine( x2, 0, x2, y2 );
         p->drawLine( 0, y2, x2, y2 );
+
+        p->setPen( colorGroup().midlight() );
+        p->drawLine( 0, y2 - h/2, x2, y2 - h/2);
+
         p->setPen( pen );
     }
 }
@@ -174,6 +182,33 @@ DateBookDay::DateBookDay( bool ampm, bool startOnMonday,
              this, SLOT(slotWeekChanged(bool)) );
     connect( view, SIGNAL(sigCapturedKey(const QString &)),
              this, SIGNAL(sigNewEvent(const QString&)) );
+
+    QTimer *timer = new QTimer( this );
+
+    connect( timer, SIGNAL(timeout()),
+                     this, SLOT(updateView()) );//connect timer for updating timeMarker & daywidgetcolors
+    timer->start( 1000*60*5, FALSE ); //update every 5min
+
+    selectedWidget = 0;
+
+    timeMarker =  new DateBookDayTimeMarker( this );
+    timeMarker->setTime( QTime::currentTime() );
+}
+
+void DateBookDay::updateView( void )
+{
+        timeMarker->setTime( QTime::currentTime() );
+        //need to find a way to update all DateBookDayWidgets
+}
+
+void DateBookDay::setSelectedWidget( DateBookDayWidget *w )
+{
+        selectedWidget = w;
+}
+
+DateBookDayWidget * DateBookDay::getSelectedWidget( void )
+{
+        return selectedWidget;
 }
 
 void DateBookDay::selectedDates( QDateTime &start, QDateTime &end )
@@ -202,11 +237,15 @@ void DateBookDay::selectedDates( QDateTime &start, QDateTime &end )
 void DateBookDay::setDate( int y, int m, int d )
 {
     header->setDate( y, m, d );
+
+    selectedWidget = 0;
 }
 
 void DateBookDay::setDate( QDate d)
 {
     header->setDate( d.year(), d.month(), d.day() );
+
+    selectedWidget = 0;
 }
 
 void DateBookDay::dateChanged( int y, int m, int d )
@@ -221,6 +260,12 @@ void DateBookDay::dateChanged( int y, int m, int d )
     ts.init( startTime, 0 );
     ts.expandTo( startTime, 0 );
     dayView()->addSelection( ts );
+
+    selectedWidget = 0;
+
+    if (this->date() == QDate::currentDate())
+            timeMarker->show(); else timeMarker->hide();
+
 }
 
 void DateBookDay::redraw()
@@ -246,6 +291,7 @@ void DateBookDay::getEvents()
                  this, SIGNAL( beamEvent( const Event & ) ) );
         widgetList.append( w );
     }
+
 }
 
 static int place( const DateBookDayWidget *item, bool *used, int maxn )
@@ -288,33 +334,74 @@ void DateBookDay::relayoutPage( bool fromResize )
     if ( !fromResize )
         getEvents();    // no need we already have them!
 
+    widgetList.sort();
+    //sorts the widgetList by the heights of the widget so that the tallest widgets are at the beginning
+    //this is needed for the simple algo below to work correctly, otherwise some widgets would be drawn outside the view
+
     int wCount = widgetList.count();
     int wid = view->columnWidth(0)-1;
+    int wd;
     int n = 1;
 
+    QArray<int> anzIntersect(wCount); //this stores the number of maximal intersections of each widget
+
+    for (int i = 0; i<wCount; anzIntersect[i] = 1, i++);
+
     if ( wCount < 20 ) {
-        for ( int i = 0; i < wCount; ) {
+
+        QArray<QRect> geometries(wCount);
+                for (int i = 0; i < wCount; geometries[i] = widgetList.at(i)->geometry(), i++);//stores geometry for each widget in vector
+
+        for ( int i = 0; i < wCount; i++)
+        {
+                QValueList<int> intersectedWidgets;
+
+                //find all widgets intersecting with widgetList.at(i)
+                for ( int j = 0; j < wCount; j++)
+                        if (i != j)
+                                if (geometries[j].intersects(geometries[i]))
+                                        intersectedWidgets.append(j);
+
+                //for each of these intersecting widgets find out how many widgets are they intersecting with
+                for ( uint j = 0; j < intersectedWidgets.count(); j++)
+                {
+                        QArray<int> inter(wCount);
+                        inter[j]=1;
+
+                        if (intersectedWidgets[j] != -1)
+                                for ( uint k = j; k < intersectedWidgets.count(); k++)
+                                        if (j != k && intersectedWidgets[k] != -1)
+                                                if (geometries[intersectedWidgets[k]].intersects(geometries[intersectedWidgets[j]]))
+                                                {
+                                                        inter[j]++;
+                                                        intersectedWidgets[k] = -1;
+                                                }
+                        if (inter[j] > anzIntersect[i]) anzIntersect[i] = inter[j] + 1;
+                }
+
+                if (anzIntersect[i] == 1 && intersectedWidgets.count()) anzIntersect[i]++;
+        }
+
+
+        for ( int i = 0; i < wCount; i++) {
             DateBookDayWidget *w = widgetList.at(i);
-            int x = 0;
-            int xp = 0;
             QRect geom = w->geometry();
-            geom.setX( x );
-            geom.setWidth( wid );
-            while ( xp < n && intersects( w, geom ) ) {
-                x += wid;
-                xp++;
-                geom.moveBy( wid, 0 );
+
+            geom.setX( 0 );
+
+            wd = (view->columnWidth(0)-1) / anzIntersect[i] - (anzIntersect[i]>1?2:0);
+
+            geom.setWidth( wd );
+
+            while ( intersects( w, geom ) ) {
+                geom.moveBy( wd + 2 + 1, 0 );
             }
-            if ( xp >= n ) {
-                n++;
-                wid = ( view->columnWidth(0)-1 ) / n;
-                i = 0;
-            } else {
                 w->setGeometry( geom );
-                i++;
-            }
         }
+
         view->setContentsPos( 0, startTime * view->rowHeight(0) );
+
+
     } else {
     
     
@@ -352,13 +439,16 @@ void DateBookDay::relayoutPage( bool fromResize )
             int xp = place( w, used, n );
             if ( xp != -1 ) {
                 QRect geom = w->geometry();
-                geom.setX( xp*wid );
+                geom.setX( xp*(wid+2) );
                 geom.setWidth( wid );
                 w->setGeometry( geom );
             }
         }
         view->setContentsPos( 0, startTime * view->rowHeight(0) );
     }
+
+            timeMarker->setTime( QTime::currentTime() );//display timeMarker
+            timeMarker->raise();                        //on top of all widgets
     setUpdatesEnabled( TRUE );
     return;
 }
@@ -496,6 +586,9 @@ DateBookDayWidget::DateBookDayWidget( const EffectiveEvent &e,
         h = 3;
     geom.setY( y );
     geom.setHeight( h );
+    geom.setX( 0 );
+    geom.setWidth(dateBook->dayView()->columnWidth(0)-1);
+
 }
 
 DateBookDayWidget::~DateBookDayWidget()
@@ -505,10 +598,40 @@ DateBookDayWidget::~DateBookDayWidget()
 void DateBookDayWidget::paintEvent( QPaintEvent *e )
 {
     QPainter p( this );
+
+    if (dateBook->getSelectedWidget() == this)
+    {
+                   p.setBrush( QColor( 155, 240, 230 ) ); // selected item
+    } else
+    {
+            if (dateBook->date() == QDate::currentDate())
+        {
+                QTime curTime = QTime::currentTime();
+
+            if (ev.end() < curTime)
+            {
+                      p.setBrush( QColor( 180, 180, 180 ) ); // grey, inactive
+            } else
+            {
+                    //change color in dependence of the time till the event starts
+                   int duration = curTime.secsTo(ev.start());
+                  if (duration < 0) duration = 0;
+                  int colChange = duration*160/86400; //86400: secs per day, 160: max color shift
+
+                      p.setBrush( QColor( 200-colChange, 200-colChange, 255 ) ); //blue
+            }
+         } else
+         {
+                  p.setBrush( QColor( 220, 220, 220 ) ); //light grey, inactive (not current date)
+                  //perhaps make a distinction between future/past dates
+         }
+    }
+
     p.setPen( QColor(100, 100, 100) );
-    p.setBrush( QColor( 255, 240, 230 ) ); // based on priority?
     p.drawRect(rect());
 
+ //   p.drawRect(0,0, 5, height());
+
     int y = 0;
     int d = 0;
 
@@ -525,11 +648,20 @@ void DateBookDayWidget::paintEvent( QPaintEvent *e )
 
     QSimpleRichText rt( text, font() );
     rt.setWidth( geom.width() - d - 6 );
-    rt.draw( &p, 3, 0, e->region(), colorGroup() );
+    rt.draw( &p, 7, 0, e->region(), colorGroup() );
 }
 
 void DateBookDayWidget::mousePressEvent( QMouseEvent *e )
 {
+        DateBookDayWidget *item;
+
+        item = dateBook->getSelectedWidget();
+        if (item) item->update();
+
+        dateBook->setSelectedWidget(this);
+        update();
+        dateBook->repaint();
+
     QPopupMenu m;
     m.insertItem( tr( "Edit" ), 1 );
     m.insertItem( tr( "Delete" ), 2 );
@@ -551,3 +683,57 @@ void DateBookDayWidget::setGeometry( const QRect &r )
     dateBook->dayView()->moveChild( this, r.x(), r.y()-1 );
     show();
 }
+
+
+//---------------------------------------------------------------------------------------------
+//---------------------------------------------------------------------------------------------
+
+
+DateBookDayTimeMarker::DateBookDayTimeMarker( DateBookDay *db )
+    : QWidget( db->dayView()->viewport() ), dateBook( db )
+{
+        setBackgroundMode( PaletteBase );
+}
+
+DateBookDayTimeMarker::~DateBookDayTimeMarker()
+{
+}
+
+void DateBookDayTimeMarker::paintEvent( QPaintEvent */*e*/ )
+{
+        QPainter p( this );
+        p.setBrush( QColor( 255, 0, 0 ) );
+
+        QPen pen;
+        pen.setStyle(NoPen);
+
+        p.setPen( pen );
+        p.drawRect(rect());
+}
+
+void DateBookDayTimeMarker::setTime( const QTime &t )
+{
+        int y = t.hour()*60+t.minute();
+        int rh = dateBook->dayView()->rowHeight(0);
+        y = y*rh/60;
+
+        geom.setX( 0 );
+
+        int x = dateBook->dayView()->columnWidth(0)-1;
+        geom.setWidth( x );
+
+        geom.setY( y );
+        geom.setHeight( 1 );
+
+        setGeometry( geom );
+
+        time = t;
+}
+
+void DateBookDayTimeMarker::setGeometry( const QRect &r )
+{
+    geom = r;
+    setFixedSize( r.width()+1, r.height()+1 );
+    dateBook->dayView()->moveChild( this, r.x(), r.y()-1 );
+    show();
+}
diff --git a/core/pim/datebook/datebookday.h b/core/pim/datebook/datebookday.h
index 531fded..db0f3b6 100644
--- a/core/pim/datebook/datebookday.h
+++ b/core/pim/datebook/datebookday.h
@@ -53,6 +53,7 @@ protected slots:
 protected:
     virtual void paintCell( QPainter *p, int row, int col, const QRect &cr, bool selected );
     virtual void paintFocus( QPainter *p, const QRect &cr );
+      
     virtual void resizeEvent( QResizeEvent *e );
     void keyPressEvent( QKeyEvent *e );
     void initHeader();
@@ -90,6 +91,50 @@ private:
     QRect geom;
 };
 
+//Marker for current time in the dayview
+class DateBookDayTimeMarker : public QWidget
+{
+    Q_OBJECT
+
+public:
+    DateBookDayTimeMarker( DateBookDay *db );
+    ~DateBookDayTimeMarker();
+
+    const QRect &geometry() { return geom; }
+    void setGeometry( const QRect &r );
+    void setTime( const QTime &t );
+
+signals: 
+
+protected:
+    void paintEvent( QPaintEvent *e );
+
+private:
+    QRect geom;
+    QTime time;
+    DateBookDay *dateBook;
+};
+
+//reimplemented the compareItems function so that it sorts DayWidgets by geometry heights
+class WidgetListClass : public QList<DateBookDayWidget>
+        {
+        private:
+                
+        int compareItems( QCollection::Item s1, QCollection::Item s2 ) 
+        { 
+                //hmm, don't punish me for that ;)
+                if (reinterpret_cast<DateBookDayWidget*>(s1)->geometry().height() > reinterpret_cast<DateBookDayWidget*>(s2)->geometry().height())
+                { 
+                        return -1;
+                } else
+                {
+                        return 1;
+                }
+        }
+        
+
+};
+
 class DateBookDay : public QVBox
 {
     Q_OBJECT
@@ -102,12 +147,15 @@ public:
     DateBookDayView *dayView() const { return view; }
     void setStartViewTime( int startHere );
     int startViewTime() const;
+    void setSelectedWidget( DateBookDayWidget * );
+    DateBookDayWidget * getSelectedWidget( void );
 
 public slots:
     void setDate( int y, int m, int d );
     void setDate( QDate );
     void redraw();
     void slotWeekChanged( bool bStartOnMonday );
+            void updateView();//updates TimeMarker and DayWidget-colors
 
 signals:
     void removeEvent( const Event& );
@@ -131,8 +179,10 @@ private:
     DateBookDayView *view;
     DateBookDayHeader *header;
     DateBookDB *db;
-    QList<DateBookDayWidget> widgetList;
+            WidgetListClass widgetList;//reimplemented QList for sorting widgets by height
     int startTime;
+    DateBookDayWidget *selectedWidget; //actual selected widget (obviously)
+            DateBookDayTimeMarker *timeMarker;//marker for current time
 };
 
 #endif