1 files changed, 132 insertions, 0 deletions

diff --git a/noncore/unsupported/qpdf/qbusybar.cpp b/noncore/unsupported/qpdf/qbusybar.cpp
new file mode 100644
index 0000000..f5c62fa
--- a/dev/null
+++ b/noncore/unsupported/qpdf/qbusybar.cpp
@@ -0,0 +1,132 @@
+#include <qapplication.h>
+#include <qtimer.h>
+#include <qpainter.h>
+
+#include "qbusybar.h"
+
+
+
+QBusyBar::QBusyBar ( QWidget *parent, const char *name, int flags ) : QWidget ( parent, name, flags | WRepaintNoErase )
+{
+        m_busy = 0;
+
+        m_div = 0;
+        m_pos = 0;
+        m_fade = 0;
+        m_fadecols = 0;
+        m_speed = 500;
+        
+                m_timer = new QTimer ( this );
+                connect ( m_timer, SIGNAL( timeout ( )), this, SLOT( slotTimeout ( )));
+
+        setParameters ( 12, 8, 200 );
+}
+
+        void QBusyBar::setParameters ( int d, int s, int v )
+        {
+        bool running = m_timer-> isActive ( );
+        
+        if ( running )
+                m_timer-> stop ( );
+
+        m_div = d;
+        m_speed = v;
+
+        delete [] m_fadecols;
+        m_fade = s;
+        m_fadecols = new QColor [m_fade];
+
+        int rt, gt, bt;
+        int rf, gf, bf;
+
+        colorGroup ( ). color ( QColorGroup::Highlight ). rgb ( &rf, &gf, &bf );
+        colorGroup ( ). color ( QColorGroup::Background ). rgb ( &rt, &gt, &bt );
+        
+        for ( int i = 0; i < s; i++ ) 
+                m_fadecols [i]. setRgb ( rf + ( rt - rf ) * i / s, gf + ( gt - gf ) * i / s, bf + ( bt - bf ) * i / s );
+                
+        if ( running ) {
+                m_pos = 0;
+                m_timer-> start ( m_speed );
+        }
+}
+
+QBusyBar::~QBusyBar ( )
+{
+}
+
+bool QBusyBar::isBusy ( ) const
+{
+        return m_busy;
+}
+
+void QBusyBar::beginBusy ( )
+{
+        setBusy ( true );
+}
+
+void QBusyBar::endBusy ( )
+{
+        setBusy ( false );
+}
+
+void QBusyBar::setBusy ( bool b )
+{
+        int busy = m_busy + ( b ? 1 : -1 );
+        
+        if ( busy < 0 )
+                busy = 0;
+        
+                if (( m_busy == 0 ) && ( busy > 0 )) { // Changed stateto on
+                m_pos = 0;
+                m_timer-> start ( m_speed );
+                        update ( );     
+        }
+        else if (( m_busy > 0 ) && ( busy == 0 )) { // Changed state to off
+                m_timer-> stop ( );
+                        update ( );
+        }
+        
+        m_busy = busy;
+}
+
+void QBusyBar::slotTimeout ( )
+{
+        m_pos++;
+        m_pos %= ( 2 * ( m_fade + m_div ));
+
+        update ( );
+}
+
+void QBusyBar::paintEvent ( QPaintEvent *e )
+{
+        QPainter p ( this );
+
+        QRect clip = e-> rect ( );
+
+        int x  = 0;
+        int dx = width ( ) / m_div;
+        int y  = clip. top ( ); 
+        int dy = clip. height ( );
+
+        if ( m_busy ) {
+                int dir = ( m_pos < ( m_fade + m_div )) ? 1 : -1;
+                int pos = ( dir > 0 ) ? m_pos : ( 2 * ( m_div + m_fade )) - m_pos - m_fade - 1;
+
+                for ( int i = 0; i < m_div; i++ ) {
+                        int ind = ( pos - i ) * dir;
+                        if (( ind < 0 ) || ( ind >= m_fade ))
+                                ind = m_fade - 1;
+                        
+                        if ((( x + dx ) > clip. left ( )) || ( x < clip. right ( )))
+                                        p. fillRect ( x, y, ( i < ( m_div - 1 )) ? dx : width ( ) - x, dy, m_fadecols [ind] );
+                        x += dx;
+                }
+        }
+        else {
+                p. fillRect ( e-> rect ( ), m_fadecols [m_fade - 1] );
+                }       
+}
+
+
+