Displays photo thumbnail and description. More...

#include <photoPreviewWidget.h>

Inheritance diagram for PhotoPreviewWidget:

Collaboration diagram for PhotoPreviewWidget:

Public Member Functions
	PhotoPreviewWidget (Q3IconView parent, Photo phto)
	Sets subalbum pointer.

Photo *	getPhoto ()
	Returns photo pointer.

void	updateImage ()
	Update photo thumbnail from background object.

void	updateDescription ()
	Update photo description.

void	paint (QPainter *p)

void	paintItem (QPainter *p, const QColorGroup &cg)
	Repain iconview item.

void	paintFocus (QPainter *p, const QColorGroup &cg)

void	setText (const QString &text)

void	setPixmap (const QPixmap &p, bool redraw)

bool	acceptDrop (const QMimeSource *e) const

int	compare (Q3IconViewItem *i) const

void	setMousedOver (bool val)

QRect	getPhotoInfoRect ()

QPoint	getPhotoPos ()

Private Member Functions
void	initializeItemRect ()

Private Attributes
Photo *	phto
	Pointer to photo backend object.

int	calibratedWidth

bool	mousedOver

QRect	photoInfoRect

int	pixmapXOffset
	offsets used to center pixmap

int	pixmapYOffset

Detailed Description

Displays photo thumbnail and description.

Definition at line 34 of file photoPreviewWidget.h.

Constructor & Destructor Documentation

◆ PhotoPreviewWidget()

PhotoPreviewWidget::PhotoPreviewWidget	(	Q3IconView *	parent,
		Photo *	phto )

Sets subalbum pointer.

Definition at line 29 of file photoPreviewWidget.cpp.

                                                                        :
                                   Q3IconViewItem( parent, QString(""), QPixmap(phto->getThumbnailFilename()) )
{
  //initially item not moused over, set photo pointer
  mousedOver = false;
  this->phto = phto;
 
  //calibrated text width is icon width minus margin + info button size (info button is sized to be a square of height
  //equal to text height, aka fm.height)
  QFontMetrics fm( qApp->font() );
  calibratedWidth = THUMBNAIL_WIDTH - PHOTO_TEXT_MARGIN - fm.height();
  
  //actually set the items text by clipping it using the calibration width we just computed
  setText( phto->getDescription() );
 
  //update the items rectange which is a function of the text width, icon rect,
  //and margins for displaying selection and mouse over ovals
  initializeItemRect();
}

References calibratedWidth, Photo::getDescription(), initializeItemRect(), mousedOver, PHOTO_TEXT_MARGIN, phto, setText(), and THUMBNAIL_WIDTH.

Member Function Documentation

◆ acceptDrop()

bool PhotoPreviewWidget::acceptDrop ( const QMimeSource * e ) const

Definition at line 170 of file photoPreviewWidget.cpp.

{
  return true;
}

◆ compare()

int PhotoPreviewWidget::compare ( Q3IconViewItem * i ) const

Definition at line 175 of file photoPreviewWidget.cpp.

{
  if( pos().y() > (i->pos().y() + height()) ||
      (
        pos().y() >= i->pos().y() &&
        pos().x() >= i->pos().x()
      ))
  { return 1; }
  else
  { return -1; }
}

References height.

◆ getPhoto()

Photo * PhotoPreviewWidget::getPhoto ( )

Returns photo pointer.

Definition at line 49 of file photoPreviewWidget.cpp.

{
  return phto;
}

References phto.

Referenced by PhotoDescEdit::disappear(), PhotoDescEdit::PhotoDescEdit(), PhotosIconView::setAlbumImage(), PhotosIconView::setSubalbumImage(), and Subalbum::syncPhotoList().

◆ getPhotoInfoRect()

QRect PhotoPreviewWidget::getPhotoInfoRect ( )

Definition at line 224 of file photoPreviewWidget.cpp.

{
  QRect photoInfoRect;
  QFontMetrics fm( qApp->font() );
  photoInfoRect.setLeft( x() + rect().width() - fm.height() - PHOTO_MARGIN - PHOTO_SHADOW - 1 );
  photoInfoRect.setRight( photoInfoRect.left() + fm.height() );
  photoInfoRect.setTop( y() + rect().height() - fm.height() - PHOTO_MARGIN - PHOTO_SHADOW - 1 );
  photoInfoRect.setBottom( photoInfoRect.top() + fm.height() );
  return photoInfoRect;
}

References height, PHOTO_MARGIN, PHOTO_SHADOW, photoInfoRect, and width.

Referenced by PhotosIconView::contentsMouseMoveEvent(), and paintItem().

◆ getPhotoPos()

QPoint PhotoPreviewWidget::getPhotoPos ( )

Definition at line 235 of file photoPreviewWidget.cpp.

{
  //get widget coordiantes of item
  int xpos,ypos;
  xpos = x() + pixmapRect().x() + pixmapXOffset + 1;
  ypos = y() + pixmapRect().y() + pixmapYOffset + 1;
  
  //shift by scrolled amount
  xpos-= iconView()->contentsX();
  ypos-= iconView()->contentsY();
 
  //offset by viewport top left
  //(why not iconview topleft? item actually placed in viewport which is placed in iconview. this
  //viewport can be offset (and when I wrote this code it was) from the iconview depending on Trolltech's
  //scrollview code which can using spacing between the viewport and scrolls widgets. since the viewport
  //is a full blown widget, we can figure out it's reall screen coordinates and need not consult the iconview object at all.
  QPoint viewportTL = iconView()->viewport()->mapToGlobal( QPoint(0,0) );
  xpos+= viewportTL.x();
  ypos+= viewportTL.y();
 
  return QPoint(xpos,ypos);
}

References pixmapXOffset, and pixmapYOffset.

Referenced by PhotoDescEdit::PhotoDescEdit().

◆ initializeItemRect()

void PhotoPreviewWidget::initializeItemRect ( )

private

Definition at line 187 of file photoPreviewWidget.cpp.

{
  //set pixmap rect to be offset slightly from top left corner (by photo margin)
  QRect pr = pixmapRect();
  int itemLeft = x();
  int itemTop = y();
  
  pixmapXOffset = (THUMBNAIL_WIDTH - pixmap()->width() ) / 2;  
  pixmapYOffset = (THUMBNAIL_HEIGHT - pixmap()->height() ) / 2;  
  
  pr.setLeft( x() + PHOTO_MARGIN );
  pr.setRight( pr.left() + THUMBNAIL_WIDTH );
  pr.setTop( y() + PHOTO_MARGIN );
  pr.setBottom( pr.top() + THUMBNAIL_HEIGHT );
  setPixmapRect( pr );
 
  //move text rect to be below new pixmap region.
  //reset height to allow for up to 3 lines of text.
  QFontMetrics fm( qApp->font() );
  QRect tr = QRect();
  tr.setLeft( x() + PHOTO_MARGIN );
  tr.setRight( tr.left() +THUMBNAIL_WIDTH );
  tr.setTop( y() + PHOTO_MARGIN + THUMBNAIL_HEIGHT + PHOTO_TEXT_MARGIN );
  tr.setBottom( tr.top() + 0*fm.leading() + 1*fm.height() );
  setTextRect( tr );
 
  //set overall item rect
  int itemW = THUMBNAIL_WIDTH + 2*PHOTO_MARGIN + PHOTO_SHADOW;
  int itemH = THUMBNAIL_HEIGHT + PHOTO_TEXT_MARGIN + textRect().height() + 2*PHOTO_MARGIN + PHOTO_SHADOW;
  setItemRect( QRect( itemLeft, itemTop, itemW, itemH ) );
}

References PHOTO_MARGIN, PHOTO_SHADOW, PHOTO_TEXT_MARGIN, pixmapXOffset, pixmapYOffset, THUMBNAIL_HEIGHT, and THUMBNAIL_WIDTH.

Referenced by PhotoPreviewWidget().

◆ paint()

void PhotoPreviewWidget::paint ( QPainter * p )

Definition at line 76 of file photoPreviewWidget.cpp.

{
  //create colors
  QColor offWhite( 255, 255, 255 );
  QColor darkBlue(35, 75, 139);
  QColor paperColor;
 
  //draw offwhite or selected color depending on if photo is selected
  QRect paperRect( x(), y(),
                              2*PHOTO_MARGIN + pixmapRect().width(),
                              2*PHOTO_MARGIN + pixmapRect().height() + PHOTO_TEXT_MARGIN + textRect().height() );
  if(isSelected())
    paperColor = darkBlue;
  else
    paperColor = offWhite;
  p->fillRect(  paperRect, QBrush( paperColor ) );
 
  //paint pixmap
  p->drawPixmap( x() + pixmapRect().x() + pixmapXOffset + 1,
                                 y() + pixmapRect().y() + pixmapYOffset + 1, 
                                 *pixmap());
  
  //paint text
  int align = Qt::AlignLeft | Qt::AlignTop | Qt::TextWrapAnywhere;
  if(isSelected())
    p->setPen( Qt::white );
  else
    p->setPen( Qt::black );
  p->drawText( x() + textRect().x() + 1, y() + textRect().y() + 1, 
                           textRect().width(), textRect().height(),
                           align, text() );
}

References height, PHOTO_MARGIN, PHOTO_TEXT_MARGIN, pixmapXOffset, pixmapYOffset, and width.

Referenced by paintItem().

◆ paintFocus()

void PhotoPreviewWidget::paintFocus	(	QPainter *	p,
		const QColorGroup &	cg )

Definition at line 168 of file photoPreviewWidget.cpp.

168{ }

◆ paintItem()

void PhotoPreviewWidget::paintItem	(	QPainter *	p,
		const QColorGroup &	cg )

Repain iconview item.

Definition at line 109 of file photoPreviewWidget.cpp.

{
  //resize old static buffer to new needed size, fill with widget background color
  static QPixmap buffer;
  QRect r = rect();
  QSize newSize = r.size().expandedTo(buffer.size() );
  buffer.resize(newSize);
  buffer.fill( Qt::white );
 
  //construct painter for buffer
  QPainter bufferPainter(&buffer);
  bufferPainter.translate( -r.x(), -r.y() );
 
   //paint item
  paint(&bufferPainter);
 
  //paint edit button
  if(mousedOver)
  {
    QRect photoInfoRect = getPhotoInfoRect();
    bufferPainter.drawPixmap( photoInfoRect, * (((Window*) qApp->mainWidget())->photoInfo) );
  }
 
  //paint shadows
  QPixmap* shadowBL, *shadowB, *shadowBR, *shadowR, *shadowTR;
  Window* window = (Window*) qApp->mainWidget();
  shadowBL = window->shadowBL;
  shadowB = window->shadowB;
  shadowBR = window->shadowBR;
  shadowR = window->shadowR;
  shadowTR = window->shadowTR;
 
  QRect shadowRect;
  shadowRect.setLeft( x() + PHOTO_SHADOW_END_OFFSET );
  shadowRect.setRight( shadowRect.left() + PHOTO_SHADOW );
  shadowRect.setTop( y() + rect().height() - PHOTO_SHADOW );
  shadowRect.setBottom( shadowRect.top() + PHOTO_SHADOW );
  bufferPainter.drawPixmap( shadowRect, *shadowBL );
 
  shadowRect.setLeft( shadowRect.right() + 1 );
  shadowRect.setRight( x() +  rect().width() - PHOTO_SHADOW - 1 );
  bufferPainter.drawPixmap( shadowRect, *shadowB );
 
  shadowRect.setLeft( shadowRect.right() + 1 );
  shadowRect.setRight( shadowRect.left() + PHOTO_SHADOW );
  bufferPainter.drawPixmap( shadowRect, *shadowBR );
 
  shadowRect.setBottom( shadowRect.top() - 1 );
  shadowRect.setTop( y() +PHOTO_SHADOW_END_OFFSET + PHOTO_SHADOW );
  bufferPainter.drawPixmap( shadowRect, *shadowR );
 
  shadowRect.setBottom( shadowRect.top() - 1 );
  shadowRect.setTop( y() +PHOTO_SHADOW_END_OFFSET );
  bufferPainter.drawPixmap( shadowRect, *shadowTR );
  
  //draw buffer to screen
  p->drawPixmap( x(), y(), buffer );
}

References buffer, getPhotoInfoRect(), height, mousedOver, paint(), PHOTO_SHADOW, PHOTO_SHADOW_END_OFFSET, photoInfoRect, Window::shadowB, Window::shadowBL, Window::shadowBR, Window::shadowR, Window::shadowTR, and width.

◆ setMousedOver()

void PhotoPreviewWidget::setMousedOver ( bool val )

Definition at line 219 of file photoPreviewWidget.cpp.

{ 
  mousedOver = val;   
}

References mousedOver.

Referenced by PhotosIconView::clearPseudoSelection(), and PhotosIconView::repaintGroup().

◆ setPixmap()

void PhotoPreviewWidget::setPixmap	(	const QPixmap &	p,
		bool	redraw )

Definition at line 59 of file photoPreviewWidget.cpp.

{
  pixmapXOffset = (THUMBNAIL_WIDTH - p.width() ) / 2;  
  pixmapYOffset = (THUMBNAIL_HEIGHT - p.height() ) / 2;  
  Q3IconViewItem::setPixmap( p, redraw );
}

References pixmapXOffset, pixmapYOffset, THUMBNAIL_HEIGHT, and THUMBNAIL_WIDTH.

Referenced by PhotosIconView::drawBackground(), and updateImage().

◆ setText()

void PhotoPreviewWidget::setText ( const QString & text )

Definition at line 71 of file photoPreviewWidget.cpp.

{
  Q3IconViewItem::setText( clipText(text, 1, calibratedWidth), false );
}

References calibratedWidth, and clipText().

Referenced by PhotoDescEdit::disappear(), PhotoPreviewWidget(), and updateDescription().

◆ updateDescription()

void PhotoPreviewWidget::updateDescription ( )

Update photo description.

Definition at line 66 of file photoPreviewWidget.cpp.

{
  setText( phto->getDescription() );
}

References Photo::getDescription(), phto, and setText().

◆ updateImage()

void PhotoPreviewWidget::updateImage ( )

Update photo thumbnail from background object.

Definition at line 54 of file photoPreviewWidget.cpp.

{
  setPixmap( QPixmap(phto->getThumbnailFilename()), false);
}

References Photo::getThumbnailFilename(), phto, and setPixmap().

Member Data Documentation

◆ calibratedWidth

int PhotoPreviewWidget::calibratedWidth

private

Definition at line 78 of file photoPreviewWidget.h.

Referenced by PhotoPreviewWidget(), and setText().

◆ mousedOver

bool PhotoPreviewWidget::mousedOver

private

Definition at line 80 of file photoPreviewWidget.h.

Referenced by paintItem(), PhotoPreviewWidget(), and setMousedOver().

◆ photoInfoRect

QRect PhotoPreviewWidget::photoInfoRect

private

Definition at line 82 of file photoPreviewWidget.h.

Referenced by getPhotoInfoRect(), and paintItem().

◆ phto

Photo* PhotoPreviewWidget::phto

private

Pointer to photo backend object.

Definition at line 76 of file photoPreviewWidget.h.

Referenced by getPhoto(), PhotoPreviewWidget(), updateDescription(), and updateImage().

◆ pixmapXOffset

int PhotoPreviewWidget::pixmapXOffset

private

offsets used to center pixmap

Definition at line 85 of file photoPreviewWidget.h.

Referenced by getPhotoPos(), initializeItemRect(), paint(), and setPixmap().

◆ pixmapYOffset

int PhotoPreviewWidget::pixmapYOffset

private

Definition at line 85 of file photoPreviewWidget.h.

Referenced by getPhotoPos(), initializeItemRect(), paint(), and setPixmap().

The documentation for this class was generated from the following files:

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ PhotoPreviewWidget()

Member Function Documentation

◆ acceptDrop()

◆ compare()

◆ getPhoto()

◆ getPhotoInfoRect()

◆ getPhotoPos()

◆ initializeItemRect()

◆ paint()

◆ paintFocus()

◆ paintItem()

◆ setMousedOver()

◆ setPixmap()

◆ setText()

◆ updateDescription()

◆ updateImage()

Member Data Documentation

◆ calibratedWidth

◆ mousedOver

◆ photoInfoRect

◆ phto

◆ pixmapXOffset

◆ pixmapYOffset