@ -37,13 +37,13 @@
* @ param name as the object name
*/
UBDocumentNavigator : : UBDocumentNavigator ( QWidget * parent , const char * name ) : QGraphicsView ( parent )
, mScene ( NULL )
, mCrntItem ( NULL )
, mCrntDoc ( NULL )
, mNbColumns ( 1 )
, mThumbnailWidth ( 0 )
, mThumbnailMinWidth ( 100 )
, bNavig ( false )
, mScene ( NULL )
, mCrntItem ( NULL )
, mCrntDoc ( NULL )
, mNbColumns ( 1 )
, mThumbnailWidth ( 0 )
, mThumbnailMinWidth ( 100 )
, bNavig ( false )
{
setObjectName ( name ) ;
mScene = new QGraphicsScene ( this ) ;
@ -54,6 +54,7 @@ UBDocumentNavigator::UBDocumentNavigator(QWidget *parent, const char *name):QGra
setFrameShadow ( QFrame : : Plain ) ;
connect ( UBApplication : : boardController , SIGNAL ( activeSceneChanged ( ) ) , this , SLOT ( addNewPage ( ) ) ) ;
connect ( UBApplication : : boardController , SIGNAL ( setDocOnPageNavigator ( UBDocumentProxy * ) ) , this , SLOT ( generateThumbnails ( ) ) ) ;
connect ( mScene , SIGNAL ( selectionChanged ( ) ) , this , SLOT ( onSelectionChanged ( ) ) ) ;
}
@ -64,14 +65,14 @@ UBDocumentNavigator::~UBDocumentNavigator()
{
if ( NULL ! = mCrntItem )
{
delete mCrntItem ;
mCrntItem = NULL ;
delete mCrntItem ;
mCrntItem = NULL ;
}
if ( NULL ! = mScene )
{
delete mScene ;
mScene = NULL ;
delete mScene ;
mScene = NULL ;
}
}
@ -85,8 +86,8 @@ void UBDocumentNavigator::setDocument(UBDocumentProxy *document)
// content and add all the pages of the given document.
if ( document )
{
mCrntDoc = document ;
generateThumbnails ( ) ;
mCrntDoc = document ;
generateThumbnails ( ) ;
}
}
@ -105,20 +106,19 @@ void UBDocumentNavigator::generateThumbnails()
for ( int i = 0 ; i < thumbs . count ( ) ; i + + )
{
QPixmap pix = thumbs . at ( i ) ;
QGraphicsPixmapItem * pixmapItem = new UBSceneThumbnailPixmap ( pix , mCrntDoc , i ) ;
QPixmap pix = thumbs . at ( i ) ;
QGraphicsPixmapItem * pixmapItem = new UBSceneThumbnailPixmap ( pix , mCrntDoc , i ) ;
// Get the selected item
// Get the selected item
if ( UBApplication : : boardController - > activeSceneIndex ( ) = = i )
{
selection = pixmapItem ;
mCrntItem = dynamic_cast < UBSceneThumbnailPixmap * > ( pixmapItem ) ;
mCrntItem - > setSelected ( true ) ;
}
items < < pixmapItem ;
labels < < tr ( " Page %0 " ) . arg ( i + 1 ) ;
//itemsPath.append(QUrl::fromLocalFile(mCrntDoc->persistencePath() + QString("/pages/%0").arg(i + 1)));
{
selection = pixmapItem ;
mCrntItem = dynamic_cast < UBSceneThumbnailPixmap * > ( pixmapItem ) ;
mCrntItem - > setSelected ( true ) ;
}
items < < pixmapItem ;
labels < < tr ( " Page %0 " ) . arg ( i + 1 ) ;
}
// Draw the items
@ -136,27 +136,27 @@ void UBDocumentNavigator::updateSpecificThumbnail(int iPage)
if ( NULL ! = pScene )
{
// Save the current state of the scene
pScene - > setModified ( true ) ;
UBSvgSubsetAdaptor : : persistScene ( mCrntDoc , pScene , iPage ) ;
UBThumbnailAdaptor : : persistScene ( mCrntDoc - > persistencePath ( ) , pScene , iPage ) ;
// Load it
QList < QPixmap > thumbs = UBThumbnailAdaptor : : load ( mCrntDoc ) ;
QPixmap pix = thumbs . at ( iPage ) ;
QGraphicsPixmapItem * pixmapItem = new UBSceneThumbnailPixmap ( pix , mCrntDoc , iPage ) ;
if ( pixmapItem )
{
// Get the old thumbnail
QGraphicsItem * pItem = mThumbnails . at ( iPage ) ;
if ( NULL ! = pItem )
{
mScene - > removeItem ( pItem ) ;
mScene - > addItem ( pixmapItem ) ;
mThumbnails . replace ( iPage , pixmapItem ) ;
}
}
// Save the current state of the scene
pScene - > setModified ( true ) ;
UBSvgSubsetAdaptor : : persistScene ( mCrntDoc , pScene , iPage ) ;
UBThumbnailAdaptor : : persistScene ( mCrntDoc - > persistencePath ( ) , pScene , iPage ) ;
// Load it
QList < QPixmap > thumbs = UBThumbnailAdaptor : : load ( mCrntDoc ) ;
QPixmap pix = thumbs . at ( iPage ) ;
QGraphicsPixmapItem * pixmapItem = new UBSceneThumbnailPixmap ( pix , mCrntDoc , iPage ) ;
if ( pixmapItem )
{
// Get the old thumbnail
QGraphicsItem * pItem = mThumbnails . at ( iPage ) ;
if ( NULL ! = pItem )
{
mScene - > removeItem ( pItem ) ;
mScene - > addItem ( pixmapItem ) ;
mThumbnails . replace ( iPage , pixmapItem ) ;
}
}
}
}
@ -171,10 +171,10 @@ void UBDocumentNavigator::addNewPage()
if ( ! bNavig )
{
generateThumbnails ( ) ;
if ( NULL ! = mCrntItem )
{
if ( NULL ! = mCrntItem )
{
mCrntItem - > setSelected ( true ) ;
}
}
}
}
@ -190,24 +190,24 @@ void UBDocumentNavigator::setGraphicsItems(QList<QGraphicsItem *> items, QString
// First, clear the actual thumbnails
foreach ( QGraphicsItem * it , mScene - > items ( ) )
{
mScene - > removeItem ( it ) ;
delete it ;
mScene - > removeItem ( it ) ;
delete it ;
}
// Add the new thumbnails
foreach ( QGraphicsItem * it , items )
{
mScene - > addItem ( it ) ;
mScene - > addItem ( it ) ;
}
// Add the labels
mLabels . clear ( ) ;
foreach ( QString lb , labels )
{
UBThumbnailTextItem * labelItem = new UBThumbnailTextItem ( lb ) ;
mScene - > addItem ( labelItem ) ;
UBThumbnailTextItem * labelItem = new UBThumbnailTextItem ( lb ) ;
mScene - > addItem ( labelItem ) ;
mLabels < < labelItem ;
mLabels < < labelItem ;
}
// Refresh the scene
@ -223,71 +223,71 @@ void UBDocumentNavigator::refreshScene()
if ( mLabels . size ( ) > 0 )
{
QFontMetrics fm ( mLabels . at ( 0 ) - > font ( ) ) ;
labelSpacing = UBSettings : : thumbnailSpacing + fm . height ( ) ;
QFontMetrics fm ( mLabels . at ( 0 ) - > font ( ) ) ;
labelSpacing = UBSettings : : thumbnailSpacing + fm . height ( ) ;
}
qreal thumbnailHeight = mThumbnailWidth / UBSettings : : minScreenRatio ;
for ( int i = 0 ; i < mThumbnails . size ( ) ; i + + )
{
// Get the item
QGraphicsItem * item = mThumbnails . at ( i ) ;
// Compute the scale factor
qreal scaleWidth = mThumbnailWidth / item - > boundingRect ( ) . width ( ) ;
qreal scaleHeight = thumbnailHeight / item - > boundingRect ( ) . height ( ) ;
qreal scaleFactor = qMin ( scaleWidth , scaleHeight ) ;
UBThumbnail * pix = dynamic_cast < UBThumbnail * > ( item ) ;
if ( pix )
{
scaleFactor = qMin ( scaleFactor , 1.0 ) ;
}
QTransform transform ;
transform . scale ( scaleFactor , scaleFactor ) ;
// Apply the scaling
item - > setTransform ( transform ) ;
item - > setFlag ( QGraphicsItem : : ItemIsSelectable , true ) ;
int columnIndex = i % mNbColumns ;
int rowIndex = i / mNbColumns ;
if ( pix )
{
pix - > setColumn ( columnIndex ) ;
pix - > setRow ( rowIndex ) ;
}
int w = item - > boundingRect ( ) . width ( ) ;
int h = item - > boundingRect ( ) . height ( ) ;
QPointF pos ( border ( ) + ( mThumbnailWidth - w * scaleFactor ) / 2 + columnIndex * ( mThumbnailWidth + border ( ) ) ,
border ( ) + rowIndex * ( thumbnailHeight + border ( ) + labelSpacing ) + ( thumbnailHeight - h * scaleFactor ) / 2 ) ;
item - > setPos ( pos ) ;
// Add the labels "Page x"
if ( mLabels . size ( ) > i )
{
QFontMetrics fm ( mLabels . at ( i ) - > font ( ) , this ) ;
QString elidedText = fm . elidedText ( mLab . at ( i ) , Qt : : ElideRight , mThumbnailWidth ) ;
mLabels . at ( i ) - > setPlainText ( elidedText ) ;
mLabels . at ( i ) - > setWidth ( fm . width ( elidedText ) + 2 * mLabels . at ( i ) - > document ( ) - > documentMargin ( ) ) ;
pos . setY ( pos . y ( ) + ( thumbnailHeight + h * scaleFactor ) / 2 + 5 ) ; // What is this 5 ??
qreal labelWidth = fm . width ( elidedText ) ;
pos . setX ( border ( ) + ( mThumbnailWidth - labelWidth ) / 2 + columnIndex * ( mThumbnailWidth + border ( ) ) ) ;
mLabels . at ( i ) - > setPos ( pos ) ;
}
// Get the item
QGraphicsItem * item = mThumbnails . at ( i ) ;
// Compute the scale factor
qreal scaleWidth = mThumbnailWidth / item - > boundingRect ( ) . width ( ) ;
qreal scaleHeight = thumbnailHeight / item - > boundingRect ( ) . height ( ) ;
qreal scaleFactor = qMin ( scaleWidth , scaleHeight ) ;
UBThumbnail * pix = dynamic_cast < UBThumbnail * > ( item ) ;
if ( pix )
{
scaleFactor = qMin ( scaleFactor , 1.0 ) ;
}
QTransform transform ;
transform . scale ( scaleFactor , scaleFactor ) ;
// Apply the scaling
item - > setTransform ( transform ) ;
item - > setFlag ( QGraphicsItem : : ItemIsSelectable , true ) ;
int columnIndex = i % mNbColumns ;
int rowIndex = i / mNbColumns ;
if ( pix )
{
pix - > setColumn ( columnIndex ) ;
pix - > setRow ( rowIndex ) ;
}
int w = item - > boundingRect ( ) . width ( ) ;
int h = item - > boundingRect ( ) . height ( ) ;
QPointF pos ( border ( ) + ( mThumbnailWidth - w * scaleFactor ) / 2 + columnIndex * ( mThumbnailWidth + border ( ) ) ,
border ( ) + rowIndex * ( thumbnailHeight + border ( ) + labelSpacing ) + ( thumbnailHeight - h * scaleFactor ) / 2 ) ;
item - > setPos ( pos ) ;
// Add the labels "Page x"
if ( mLabels . size ( ) > i )
{
QFontMetrics fm ( mLabels . at ( i ) - > font ( ) , this ) ;
QString elidedText = fm . elidedText ( mLab . at ( i ) , Qt : : ElideRight , mThumbnailWidth ) ;
mLabels . at ( i ) - > setPlainText ( elidedText ) ;
mLabels . at ( i ) - > setWidth ( fm . width ( elidedText ) + 2 * mLabels . at ( i ) - > document ( ) - > documentMargin ( ) ) ;
pos . setY ( pos . y ( ) + ( thumbnailHeight + h * scaleFactor ) / 2 + 5 ) ; // What is this 5 ??
qreal labelWidth = fm . width ( elidedText ) ;
pos . setX ( border ( ) + ( mThumbnailWidth - labelWidth ) / 2 + columnIndex * ( mThumbnailWidth + border ( ) ) ) ;
mLabels . at ( i ) - > setPos ( pos ) ;
}
}
QScrollBar * vertScrollBar = verticalScrollBar ( ) ;
int scrollBarThickness = 0 ;
if ( vertScrollBar & & vertScrollBar - > isVisible ( ) )
scrollBarThickness = vertScrollBar - > width ( ) ;
scrollBarThickness = vertScrollBar - > width ( ) ;
}
/**
@ -347,12 +347,12 @@ void UBDocumentNavigator::resizeEvent(QResizeEvent *event)
mThumbnailWidth = ( width ( ) > mThumbnailMinWidth ) ? width ( ) - 2 * border ( ) : mThumbnailMinWidth ;
// Update the scene rect
// QRect sceneRect;
// sceneRect.setWidth(width() - 2*border());
// sceneRect.setHeight(height() - 2*border());
// sceneRect.moveLeft(border());
// sceneRect.moveTop(border());
// scene()->setSceneRect(sceneRect);
// QRect sceneRect;
// sceneRect.setWidth(width() - 2*border());
// sceneRect.setHeight(height() - 2*border());
// sceneRect.moveLeft(border());
// sceneRect.moveTop(border());
// scene()->setSceneRect(sceneRect);
// Refresh the scene
refreshScene ( ) ;
@ -367,20 +367,20 @@ void UBDocumentNavigator::mousePressEvent(QMouseEvent *event)
QGraphicsItem * pClickedItem = itemAt ( event - > pos ( ) ) ;
if ( NULL ! = pClickedItem )
{
bNavig = true ;
// First, select the clicked item
UBSceneThumbnailPixmap * pCrntItem = dynamic_cast < UBSceneThumbnailPixmap * > ( pClickedItem ) ;
if ( NULL = = pCrntItem )
{
// If we fall here we may have clicked on the label instead of the thumbnail
UBThumbnailTextItem * pTextItem = dynamic_cast < UBThumbnailTextItem * > ( pClickedItem ) ;
if ( NULL ! = pTextItem )
{
pCrntItem = dynamic_cast < UBSceneThumbnailPixmap * > ( mThumbnails . at ( mLabels . indexOf ( pTextItem ) ) ) ;
}
}
bNavig = true ;
// First, select the clicked item
UBSceneThumbnailPixmap * pCrntItem = dynamic_cast < UBSceneThumbnailPixmap * > ( pClickedItem ) ;
if ( NULL = = pCrntItem )
{
// If we fall here we may have clicked on the label instead of the thumbnail
UBThumbnailTextItem * pTextItem = dynamic_cast < UBThumbnailTextItem * > ( pClickedItem ) ;
if ( NULL ! = pTextItem )
{
pCrntItem = dynamic_cast < UBSceneThumbnailPixmap * > ( mThumbnails . at ( mLabels . indexOf ( pTextItem ) ) ) ;
}
}
else
{
if ( NULL ! = mCrntItem & & mCrntItem ! = pCrntItem )
@ -398,7 +398,7 @@ void UBDocumentNavigator::mousePressEvent(QMouseEvent *event)
emit changeCurrentPage ( ) ;
refreshScene ( ) ;
}
bNavig = false ;
bNavig = false ;
}
}
@ -412,7 +412,7 @@ int UBDocumentNavigator::selectedPageNumber()
if ( NULL ! = mCrntItem )
{
nbr = mThumbnails . indexOf ( mCrntItem ) ;
nbr = mThumbnails . indexOf ( mCrntItem ) ;
}
return nbr ;
@ -432,6 +432,6 @@ UBDocumentProxy* UBDocumentNavigator::currentDoc()
*/
void UBDocumentNavigator : : onSelectionChanged ( )
{
// QList<QGraphicsItem*> qlItems = mScene->selectedItems();
// qDebug() << "The number of selected items is " << qlItems.count();
// QList<QGraphicsItem*> qlItems = mScene->selectedItems();
// qDebug() << "The number of selected items is " << qlItems.count();
}
shibakaneki
13 years ago