void CtrlTree::makeImage()
{
stats_TimerStart( getIntf(), "[Skins] Playlist image",
STATS_TIMER_SKINS_PLAYTREE_IMAGE );
delete m_pImage;
// Get the size of the control
const Position *pPos = getPosition();
if( !pPos )
{
stats_TimerStop( getIntf(), STATS_TIMER_SKINS_PLAYTREE_IMAGE );
return;
}
int width = pPos->getWidth();
int height = pPos->getHeight();
int i_itemHeight = itemHeight();
// Create an image
OSFactory *pOsFactory = OSFactory::instance( getIntf() );
m_pImage = pOsFactory->createOSGraphics( width, height );
VarTree::Iterator it = m_firstPos;
if( m_pBgBitmap )
{
// Draw the background bitmap
if( !m_pScaledBitmap ||
m_pScaledBitmap->getWidth() != width ||
m_pScaledBitmap->getHeight() != height )
{
delete m_pScaledBitmap;
m_pScaledBitmap =
new ScaledBitmap( getIntf(), *m_pBgBitmap, width, height );
}
m_pImage->drawBitmap( *m_pScaledBitmap, 0, 0 );
for( int yPos = 0; yPos < height; yPos += i_itemHeight )
{
if( it != m_rTree.end() )
{
if( it->isSelected() )
{
int rectHeight = __MIN( i_itemHeight, height - yPos );
m_pImage->fillRect( 0, yPos, width, rectHeight,
m_selColor );
}
do
{
it = m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it );
} while( it != m_rTree.end() && it->isDeleted() );
}
}
}
else
{
// FIXME (TRYME)
// Fill background with background color
uint32_t bgColor = m_bgColor1;
m_pImage->fillRect( 0, 0, width, height, bgColor );
for( int yPos = 0; yPos < height; yPos += i_itemHeight )
{
int rectHeight = __MIN( i_itemHeight, height - yPos );
if( it == m_rTree.end() )
m_pImage->fillRect( 0, yPos, width, rectHeight, bgColor );
else
{
uint32_t color = ( it->isSelected() ? m_selColor : bgColor );
m_pImage->fillRect( 0, yPos, width, rectHeight, color );
do
{
it = m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it );
} while( it != m_rTree.end() && it->isDeleted() );
}
bgColor = ( bgColor == m_bgColor1 ? m_bgColor2 : m_bgColor1 );
}
}
int bitmapWidth = itemImageWidth();
int yPos = 0;
it = m_firstPos;
while( it != m_rTree.end() && yPos < height )
{
const GenericBitmap *m_pCurBitmap;
UString *pStr = it->getString();
uint32_t color = ( it->isPlaying() ? m_playColor : m_fgColor );
// Draw the text
if( pStr != NULL )
{
int depth = m_flat ? 1 : it->depth();
GenericBitmap *pText = m_rFont.drawString( *pStr, color, width - bitmapWidth * depth );
if( !pText )
{
stats_TimerStop( getIntf(), STATS_TIMER_SKINS_PLAYTREE_IMAGE );
return;
}
if( it->size() )
m_pCurBitmap = it->isExpanded() ? m_pOpenBitmap : m_pClosedBitmap;
else
m_pCurBitmap = m_pItemBitmap;
if( m_pCurBitmap )
{
// Make sure we are centered on the line
int yPos2 = yPos+(i_itemHeight-m_pCurBitmap->getHeight()+1)/2;
if( yPos2 >= height )
{
delete pText;
break;
}
m_pImage->drawBitmap( *m_pCurBitmap, 0, 0,
bitmapWidth * (depth - 1 ), yPos2,
m_pCurBitmap->getWidth(),
__MIN( m_pCurBitmap->getHeight(),
height - yPos2), true );
}
yPos += i_itemHeight - pText->getHeight();
int ySrc = 0;
if( yPos < 0 )
{
ySrc = - yPos;
yPos = 0;
}
int lineHeight = __MIN( pText->getHeight() - ySrc, height - yPos );
m_pImage->drawBitmap( *pText, 0, ySrc, bitmapWidth * depth, yPos,
pText->getWidth(),
lineHeight, true );
yPos += (pText->getHeight() - ySrc );
delete pText;
}
do
{
it = m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it );
} while( it != m_rTree.end() && it->isDeleted() );
}
stats_TimerStop( getIntf(), STATS_TIMER_SKINS_PLAYTREE_IMAGE );
}
void CtrlTree::handleEvent( EvtGeneric &rEvent )
{
bool bChangedPosition = false;
VarTree::Iterator toShow; bool needShow = false;
if( rEvent.getAsString().find( "key:down" ) != string::npos )
{
int key = ((EvtKey&)rEvent).getKey();
VarTree::Iterator it;
bool previousWasSelected = false;
/* Delete the selection */
if( key == KEY_DELETE )
{
/* Find first non selected item before m_pLastSelected */
VarTree::Iterator it_sel = m_flat ? m_rTree.firstLeaf()
: m_rTree.begin();
for( it = (m_flat ? m_rTree.firstLeaf() : m_rTree.begin());
it != m_rTree.end();
it = (m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it )) )
{
if( &*it == m_pLastSelected ) break;
if( !it->isSelected() ) it_sel = it;
}
/* Delete selected stuff */
m_rTree.delSelected();
/* Verify if there is still sthg selected (e.g read-only items) */
m_pLastSelected = NULL;
for( it = (m_flat ? m_rTree.firstLeaf() : m_rTree.begin());
it != m_rTree.end();
it = (m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it )) )
{
if( it->isSelected() )
m_pLastSelected = &*it;
}
/* if everything was deleted, use it_sel as last selection */
if( !m_pLastSelected )
{
it_sel->setSelected( true );
m_pLastSelected = &*it_sel;
}
// Redraw the control
makeImage();
notifyLayout();
}
else if( key == KEY_PAGEDOWN )
{
it = m_firstPos;
int i = (int)(maxItems()*1.5);
while( i >= 0 )
{
VarTree::Iterator it_old = it;
it = m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it );
/* End is already visible, dont' scroll */
if( it == m_rTree.end() )
{
it = it_old;
break;
}
needShow = true;
i--;
}
if( needShow )
{
ensureVisible( it );
makeImage();
notifyLayout();
}
}
else if (key == KEY_PAGEUP )
{
it = m_firstPos;
int i = maxItems();
while( i >= maxItems()/2 )
{
it = m_flat ? m_rTree.getPrevLeaf( it )
: m_rTree.getPrevVisibleItem( it );
/* End is already visible, dont' scroll */
if( it == ( m_flat ? m_rTree.firstLeaf() : m_rTree.begin() ) )
{
break;
}
i--;
}
ensureVisible( it );
makeImage();
notifyLayout();
}
else if ( key == KEY_UP ||
key == KEY_DOWN ||
key == KEY_LEFT ||
key == KEY_RIGHT ||
key == KEY_ENTER ||
key == ' ' )
{
for( it = m_flat ? m_rTree.firstLeaf() : m_rTree.begin();
it != m_rTree.end();
it = m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it ) )
{
VarTree::Iterator next = m_flat ?
m_rTree.getNextLeaf( it ) :
m_rTree.getNextVisibleItem( it );
if( key == KEY_UP )
{
// Scroll up one item
if( ( it->parent()
&& it != it->parent()->begin() )
|| &*it != m_pLastSelected )
{
bool nextWasSelected = ( &*next == m_pLastSelected );
it->setSelected( nextWasSelected );
if( nextWasSelected )
{
m_pLastSelected = &*it;
needShow = true; toShow = it;
}
}
}
else if( key == KEY_DOWN )
{
// Scroll down one item
if( ( it->parent()
&& next != it->parent()->end() )
|| &*it != m_pLastSelected )
{
it->setSelected( previousWasSelected );
}
if( previousWasSelected )
{
m_pLastSelected = &*it;
needShow = true; toShow = it;
previousWasSelected = false;
}
else
{
previousWasSelected = ( &*it == m_pLastSelected );
}
// Fix last tree item selection
if( ( m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it ) ) == m_rTree.end()
&& &*it == m_pLastSelected )
{
it->setSelected( true );
}
}
else if( key == KEY_RIGHT )
{
// Go down one level (and expand node)
if( &*it == m_pLastSelected )
{
if( it->isExpanded() )
{
if( it->size() )
{
it->setSelected( false );
it->begin()->setSelected( true );
m_pLastSelected = &*(it->begin());
}
else
{
m_rTree.action( &*it );
}
}
else
{
it->setExpanded( true );
bChangedPosition = true;
}
}
}
else if( key == KEY_LEFT )
{
// Go up one level (and close node)
if( &*it == m_pLastSelected )
{
if( it->isExpanded() && it->size() )
{
it->setExpanded( false );
bChangedPosition = true;
}
else
{
if( it->parent() && it->parent() != &m_rTree)
{
it->setSelected( false );
m_pLastSelected = it->parent();
m_pLastSelected->setSelected( true );
}
}
}
}
else if( key == KEY_ENTER || key == ' ' )
{
// Go up one level (and close node)
if( &*it == m_pLastSelected )
{
m_rTree.action( &*it );
}
}
}
if( needShow )
ensureVisible( toShow );
// Redraw the control
makeImage();
notifyLayout();
}
else
{
// other keys to be forwarded to vlc core
EvtKey& rEvtKey = (EvtKey&)rEvent;
var_SetInteger( getIntf()->p_libvlc, "key-pressed",
rEvtKey.getModKey() );
}
}
else if( rEvent.getAsString().find( "mouse:left" ) != string::npos )
{
EvtMouse &rEvtMouse = (EvtMouse&)rEvent;
const Position *pos = getPosition();
int yPos = ( rEvtMouse.getYPos() - pos->getTop() ) / itemHeight();
int xPos = rEvtMouse.getXPos() - pos->getLeft();
VarTree::Iterator it;
if( rEvent.getAsString().find( "mouse:left:down:ctrl,shift" ) !=
string::npos )
{
VarTree::Iterator itClicked = findItemAtPos( yPos );
// Flag to know if the current item must be selected
bool select = false;
for( it = m_flat ? m_rTree.firstLeaf() : m_rTree.begin();
it != m_rTree.end();
it = m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it ) )
{
bool nextSelect = select;
if( it == itClicked || &*it == m_pLastSelected )
{
if( select )
{
nextSelect = false;
}
else
{
select = true;
nextSelect = true;
}
}
it->setSelected( it->isSelected() || select );
select = nextSelect;
}
// Redraw the control
makeImage();
notifyLayout();
}
else if( rEvent.getAsString().find( "mouse:left:down:ctrl" ) !=
string::npos )
{
// Invert the selection of the item
it = findItemAtPos( yPos );
if( it != m_rTree.end() )
{
it->toggleSelected();
m_pLastSelected = &*it;
}
// Redraw the control
makeImage();
notifyLayout();
}
else if( rEvent.getAsString().find( "mouse:left:down:shift" ) !=
string::npos )
{
VarTree::Iterator itClicked = findItemAtPos( yPos );
// Flag to know if the current item must be selected
bool select = false;
for( it = m_flat ? m_rTree.firstLeaf() : m_rTree.begin();
it != m_rTree.end();
it = m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it ) )
{
bool nextSelect = select;
if( it == itClicked || &*it == m_pLastSelected )
{
if( select )
{
nextSelect = false;
}
else
{
select = true;
nextSelect = true;
}
}
it->setSelected( select );
select = nextSelect;
}
// Redraw the control
makeImage();
notifyLayout();
}
else if( rEvent.getAsString().find( "mouse:left:down" ) !=
string::npos )
{
it = findItemAtPos(yPos);
if( it != m_rTree.end() )
{
if( ( it->size() && xPos > (it->depth() - 1) * itemImageWidth()
&& xPos < it->depth() * itemImageWidth() )
&& !m_flat )
{
// Fold/unfold the item
it->toggleExpanded();
bChangedPosition = true;
}
else
{
// Unselect any previously selected item
VarTree::Iterator it2;
for( it2 = m_flat ? m_rTree.firstLeaf() : m_rTree.begin();
it2 != m_rTree.end();
it2 = m_flat ? m_rTree.getNextLeaf( it2 )
: m_rTree.getNextVisibleItem( it2 ) )
{
it2->setSelected( false );
}
// Select the new item
if( it != m_rTree.end() )
{
it->setSelected( true );
m_pLastSelected = &*it;
}
}
}
// Redraw the control
makeImage();
notifyLayout();
}
else if( rEvent.getAsString().find( "mouse:left:dblclick" ) !=
string::npos )
{
it = findItemAtPos(yPos);
if( it != m_rTree.end() )
{
// Execute the action associated to this item
m_rTree.action( &*it );
}
// Redraw the control
makeImage();
notifyLayout();
}
}
else if( rEvent.getAsString().find( "scroll" ) != string::npos )
{
// XXX ctrl_slider.cpp has two more (but slightly different)
// XXX implementations of `scroll'. Figure out where it belongs.
int direction = static_cast<EvtScroll&>(rEvent).getDirection();
double percentage = m_rTree.getPositionVar().get();
double step = 2.0 / (double)( m_flat ? m_rTree.countLeafs()
: m_rTree.visibleItems() );
if( direction == EvtScroll::kUp )
{
percentage += step;
}
else
{
percentage -= step;
}
m_rTree.getPositionVar().set( percentage );
}
/* We changed the nodes, let's fix the position var */
if( bChangedPosition )
{
VarTree::Iterator it;
int iFirst = 0;
for( it = m_flat ? m_rTree.firstLeaf() : m_rTree.begin();
it != m_rTree.end();
it = m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it ) )
{
if( it == m_firstPos )
break;
iFirst++;
}
int indexMax = ( m_flat ? m_rTree.countLeafs()
: m_rTree.visibleItems() ) - 1;
float f_new = (float)iFirst / (float)indexMax;
m_dontMove = true;
m_rTree.getPositionVar().set( 1.0 - f_new );
m_dontMove = false;
}
}