bool CScrollBarVertical::OnMouseButtonUp ( sMouseEvents e )
{
if ( m_bPressed )
{
UpdateThumbRect ();
m_Arrow = CLEAR;
m_bPressed = false;
m_bDrag = false;
_ClearFocus ();
return true;
}
return false;
}
void SetPageSize( int nPageSize ) { m_nPageSize = nPageSize; Cap(); UpdateThumbRect(); }
void SetTrackPos( int nPosition ) { m_nPosition = nPosition; Cap(); UpdateThumbRect(); }
bool CScrollBarVertical::OnMouseButtonDown ( sMouseEvents e )
{
if ( !CanHaveFocus () )
return false;
if ( e.eButton == sMouseEvents::LeftButton )
{
// Check for click on up button
if ( m_rUpButton.ContainsPoint ( e.pos ) )
{
if ( m_nPosition > m_nStart )
m_nPosition -= m_nStep;
UpdateThumbRect ();
m_timer.Start ( SCROLLBAR_ARROWCLICK_REPEAT );
m_bPressed = true;
m_Arrow = CLICKED_UP;
_SetFocus ();
return true;
}
// Check for click on down button
if ( m_rDownButton.ContainsPoint ( e.pos ) )
{
if ( m_nPosition + m_nPageSize <= m_nEnd )
m_nPosition += m_nStep;
UpdateThumbRect ();
m_timer.Start ( SCROLLBAR_ARROWCLICK_REPEAT );
m_bPressed = true;
m_Arrow = CLICKED_DOWN;
_SetFocus ();
return true;
}
// Check for click on thumb
if ( m_rThumb.ContainsPoint ( e.pos ) )
{
nThumbOffset = e.pos.m_nY - m_rThumb.m_pos.m_nY;
m_Arrow = CLICKED_THUMB;
m_bDrag = true;
m_bPressed = true;
_SetFocus ();
return true;
}
// Check for click on track
if ( m_rBoundingBox.ContainsPoint ( e.pos ) )
{
if ( m_rThumb.m_pos.m_nY > e.pos.m_nY &&
m_rBoundingBox.m_pos.m_nY <= e.pos.m_nY)
{
Scroll ( -( m_nPageSize - 1 ) );
_SetFocus ();
m_timer.Start ( 0.5 );
m_bPressed = true;
m_Arrow = HELD_UP;
return true;
}
else if ( m_rThumb.m_pos.m_nY + m_rThumb.m_size.cy <= e.pos.m_nY &&
( m_rBoundingBox.m_pos.m_nY + m_rBoundingBox.m_size.cx ) + m_rBoundingBox.m_size.cy > e.pos.m_nY)
{
Scroll ( m_nPageSize - 1 );
_SetFocus ();
m_timer.Start ( 0.5 );
m_bPressed = true;
m_Arrow = HELD_DOWN;
return true;
}
}
}
return false;
}
