Displays photo thumbnail and description. More...
#include <photoPreviewWidget.h>
Public Member Functions | |
| PhotoPreviewWidget (QIconView *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 (QIconViewItem *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 32 of file photoPreviewWidget.h.
Constructor & Destructor Documentation
Sets subalbum pointer.
Definition at line 29 of file photoPreviewWidget.cpp.
References calibratedWidth, Photo::getDescription(), initializeItemRect(), mousedOver, PHOTO_TEXT_MARGIN, phto, setText(), and THUMBNAIL_WIDTH.
:
QIconViewItem( 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();
}
Member Function Documentation
| bool PhotoPreviewWidget::acceptDrop | ( | const QMimeSource * | e | ) | const |
Definition at line 170 of file photoPreviewWidget.cpp.
{
return true;
}
| int PhotoPreviewWidget::compare | ( | QIconViewItem * | i | ) | const |
Definition at line 175 of file photoPreviewWidget.cpp.
References height.
{
if( pos().y() > (i->pos().y() + height()) ||
(
pos().y() >= i->pos().y() &&
pos().x() >= i->pos().x()
))
{ return 1; }
else
{ return -1; }
}
| Photo * PhotoPreviewWidget::getPhoto | ( | ) |
Returns photo pointer.
Definition at line 49 of file photoPreviewWidget.cpp.
References phto.
Referenced by PhotoDescEdit::disappear(), PhotoDescEdit::PhotoDescEdit(), PhotosIconView::setAlbumImage(), PhotosIconView::setSubalbumImage(), and Subalbum::syncPhotoList().
{
return phto;
}
| QRect PhotoPreviewWidget::getPhotoInfoRect | ( | ) |
Definition at line 224 of file photoPreviewWidget.cpp.
References height, PHOTO_MARGIN, PHOTO_SHADOW, photoInfoRect, and width.
Referenced by PhotosIconView::contentsMouseMoveEvent(), and paintItem().
{
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;
}
| QPoint PhotoPreviewWidget::getPhotoPos | ( | ) |
Definition at line 235 of file photoPreviewWidget.cpp.
References pixmapXOffset, and pixmapYOffset.
Referenced by PhotoDescEdit::PhotoDescEdit().
{
//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);
}
| void PhotoPreviewWidget::initializeItemRect | ( | ) | [private] |
Definition at line 187 of file photoPreviewWidget.cpp.
References PHOTO_MARGIN, PHOTO_SHADOW, PHOTO_TEXT_MARGIN, pixmapXOffset, pixmapYOffset, THUMBNAIL_HEIGHT, and THUMBNAIL_WIDTH.
Referenced by PhotoPreviewWidget().
{
//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 ) );
}
| void PhotoPreviewWidget::paint | ( | QPainter * | p | ) |
Definition at line 76 of file photoPreviewWidget.cpp.
References height, PHOTO_MARGIN, PHOTO_TEXT_MARGIN, pixmapXOffset, pixmapYOffset, and width.
Referenced by paintItem().
{
//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 = AlignLeft | AlignTop | BreakAnywhere;
if(isSelected())
p->setPen( white );
else
p->setPen( black );
p->drawText( x() + textRect().x() + 1, y() + textRect().y() + 1,
textRect().width(), textRect().height(),
align, text() );
}
| void PhotoPreviewWidget::paintFocus | ( | QPainter * | p, |
| const QColorGroup & | cg | ||
| ) |
Definition at line 168 of file photoPreviewWidget.cpp.
{ }
| void PhotoPreviewWidget::paintItem | ( | QPainter * | p, |
| const QColorGroup & | cg | ||
| ) |
Repain iconview item.
Definition at line 109 of file photoPreviewWidget.cpp.
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.
{
//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( white );
//construct painter for buffer
QPainter bufferPainter(&buffer, this);
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 );
}
| void PhotoPreviewWidget::setMousedOver | ( | bool | val | ) |
Definition at line 219 of file photoPreviewWidget.cpp.
References mousedOver.
Referenced by PhotosIconView::clearPseudoSelection(), and PhotosIconView::repaintGroup().
{
mousedOver = val;
}
| void PhotoPreviewWidget::setPixmap | ( | const QPixmap & | p, |
| bool | redraw | ||
| ) |
Definition at line 59 of file photoPreviewWidget.cpp.
References pixmapXOffset, pixmapYOffset, THUMBNAIL_HEIGHT, and THUMBNAIL_WIDTH.
Referenced by updateImage().
{
pixmapXOffset = (THUMBNAIL_WIDTH - p.width() ) / 2;
pixmapYOffset = (THUMBNAIL_HEIGHT - p.height() ) / 2;
QIconViewItem::setPixmap( p, redraw );
}
| void PhotoPreviewWidget::setText | ( | const QString & | text | ) |
Definition at line 71 of file photoPreviewWidget.cpp.
References calibratedWidth, and clipText().
Referenced by PhotoDescEdit::disappear(), PhotoPreviewWidget(), and updateDescription().
{
QIconViewItem::setText( clipText(text, 1, calibratedWidth), false );
}
| void PhotoPreviewWidget::updateDescription | ( | ) |
Update photo description.
Definition at line 66 of file photoPreviewWidget.cpp.
References Photo::getDescription(), phto, and setText().
{
setText( phto->getDescription() );
}
| void PhotoPreviewWidget::updateImage | ( | ) |
Update photo thumbnail from background object.
Definition at line 54 of file photoPreviewWidget.cpp.
References Photo::getThumbnailFilename(), phto, and setPixmap().
{
setPixmap( QPixmap(phto->getThumbnailFilename()), false);
}
Member Data Documentation
int PhotoPreviewWidget::calibratedWidth [private] |
Definition at line 76 of file photoPreviewWidget.h.
Referenced by PhotoPreviewWidget(), and setText().
bool PhotoPreviewWidget::mousedOver [private] |
Definition at line 78 of file photoPreviewWidget.h.
Referenced by paintItem(), PhotoPreviewWidget(), and setMousedOver().
QRect PhotoPreviewWidget::photoInfoRect [private] |
Definition at line 80 of file photoPreviewWidget.h.
Referenced by getPhotoInfoRect(), and paintItem().
Photo* PhotoPreviewWidget::phto [private] |
Pointer to photo backend object.
Definition at line 74 of file photoPreviewWidget.h.
Referenced by getPhoto(), PhotoPreviewWidget(), updateDescription(), and updateImage().
int PhotoPreviewWidget::pixmapXOffset [private] |
offsets used to center pixmap
Definition at line 83 of file photoPreviewWidget.h.
Referenced by getPhotoPos(), initializeItemRect(), paint(), and setPixmap().
int PhotoPreviewWidget::pixmapYOffset [private] |
Definition at line 83 of file photoPreviewWidget.h.
Referenced by getPhotoPos(), initializeItemRect(), paint(), and setPixmap().
The documentation for this class was generated from the following files:
