From e869be9990c0db11288bd196778cadd0ad6976a9 Mon Sep 17 00:00:00 2001
From: zecke <zecke>
Date: Sat, 19 Oct 2002 00:10:15 +0000
Subject: MainWindow setReadAhead added

Tableview we now try to read ahead in timerEvent..
the TodoView interface needs an update on this matter too...
besides that I'm quite happy with the speed and go on to implement new
features
---
(limited to 'core/pim/todo/tableview.cpp')

diff --git a/core/pim/todo/tableview.cpp b/core/pim/todo/tableview.cpp
index 5d82eb2..f4b898f 100644
--- a/core/pim/todo/tableview.cpp
+++ b/core/pim/todo/tableview.cpp
@@ -126,6 +126,13 @@ void TableView::showOverDue( bool ) {
 }
 
 void TableView::updateView( ) {
+    m_row = false;
+    startTimer( 2000 );
+    /* FIXME we want one page to be read!
+     *
+     * Calculate that screensize
+     */
+    todoWindow()->setReadAhead( 4 );
     sort();
     OTodoAccess::List::Iterator it, end;
     it = sorted().begin();
@@ -160,7 +167,8 @@ void TableView::setTodo( int, const OTodo&) {
 void TableView::addEvent( const OTodo&) {
     sort();
 
-    QTable::update();
+    /* fix problems of not showing the 'Haken' */
+    QTable::repaint();
 }
 /*
  * find the event
@@ -353,7 +361,21 @@ void TableView::paintCell(QPainter* p,  int row, int col, const QRect& cr, bool
 	    {
 		QString text;
 		if (task.hasDueDate()) {
-		    text = "HAS";
+		    int off = QDate::currentDate().daysTo( task.dueDate() );
+                    text = QString::number(off) + tr(" day(s)");
+                    /*
+                     * set color if not completed
+                     */
+                    if (!task.isCompleted() ) {
+                        QColor color = Qt::black;
+                        if ( off < 0 )
+                            color = Qt::red;
+                        else if ( off == 0 )
+                            color = Qt::yellow;
+                        else if ( off > 0 )
+                            color = Qt::green;
+                        p->setPen(color  );
+                    }
 		} else {
 		    text = tr("None");
 		}
@@ -398,3 +420,31 @@ void TableView::setCellContentFromEditor(int row, int col ) {
 void TableView::slotPriority() {
     setCellContentFromEditor( currentRow(), currentColumn() );
 }
+/*
+ * We'll use the TimerEvent to read ahead or to keep the cahce always
+ * filled enough.
+ * We will try to read ahead 4 items in both ways
+ * up and down. On odd or even we will currentRow()+-4 or +-9
+ *
+ */
+void TableView::timerEvent( QTimerEvent* ev ) {
+    int row = currentRow();
+    qWarning("TimerEvent %d", row);
+    if ( m_row ) {
+        int ro = row-4;
+        if (ro < 0 ) ro = 0;
+        sorted()[ro];
+
+        ro = row+4;
+        sorted()[ro];
+    } else {
+        int ro = row + 8;
+        sorted()[ro];
+
+        ro = row-8;
+        if (ro < 0 ) ro = 0;
+        sorted()[ro];
+    }
+
+    m_row = !m_row;
+}
--
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