Diffstat (limited to 'noncore/graphics/opie-eye/gui/imagescrollview.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/graphics/opie-eye/gui/imagescrollview.cpp | 44 |
1 files changed, 35 insertions, 9 deletions
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.cpp b/noncore/graphics/opie-eye/gui/imagescrollview.cpp index 5b12258..2f16d82 100644 --- a/noncore/graphics/opie-eye/gui/imagescrollview.cpp +++ b/noncore/graphics/opie-eye/gui/imagescrollview.cpp @@ -6,29 +6,29 @@ using namespace Opie::Core; #include <qimage.h> #include <qlayout.h> ImageScrollView::ImageScrollView( QWidget* parent, const char* name, WFlags f ) :QScrollView(parent,name,f|Qt::WRepaintNoErase ),_image_data(),_original_data(),scale_to_fit(true), - rotate_to_fit(true),first_resize_done(false),m_lastName("") + rotate_to_fit(true),show_zoomer(true),first_resize_done(false),m_lastName("") { init(); } ImageScrollView::ImageScrollView (const QImage&img, QWidget * parent, const char * name, WFlags f,bool always_scale,bool rfit) :QScrollView(parent,name,f|Qt::WRepaintNoErase),_image_data(),_original_data(img),scale_to_fit(always_scale), - rotate_to_fit(rfit),first_resize_done(false),m_lastName("") + rotate_to_fit(rfit),show_zoomer(true),first_resize_done(false),m_lastName("") { _original_data.convertDepth(QPixmap::defaultDepth()); _original_data.setAlphaBuffer(false); init(); } ImageScrollView::ImageScrollView (const QString&img, QWidget * parent, const char * name, WFlags f,bool always_scale,bool rfit) :QScrollView(parent,name,f|Qt::WRepaintNoErase),_image_data(),_original_data(),scale_to_fit(always_scale), - rotate_to_fit(rfit),first_resize_done(false),m_lastName("") + rotate_to_fit(rfit),show_zoomer(true),first_resize_done(false),m_lastName("") { init(); setImage(img); } void ImageScrollView::setImage(const QImage&img) @@ -77,14 +77,14 @@ void ImageScrollView::init() viewport()->setBackgroundColor(white); setFocusPolicy(QWidget::StrongFocus); if (first_resize_done) { last_rot = Rotate0; generateImage(); - odebug << "reinit display " << oendl; } else if (_original_data.size().isValid()) { + if (image_fit_into(_original_data.size()) || !show_zoomer) _zoomer->hide(); resizeContents(_original_data.width(),_original_data.height()); } } void ImageScrollView::setAutoRotate(bool how) { @@ -263,20 +263,27 @@ void ImageScrollView::generateImage() rotate_into_data(r); } last_rot = r; resizeContents(_image_data.width(),_image_data.height()); } _pdata.convertFromImage(_image_data); + /* * update the zoomer */ + check_zoomer(); emit imageSizeChanged( _image_data.size() ); rescaleImage( 128, 128 ); + /* + * move scrollbar + */ + _zoomer->setGeometry( viewport()->width()-_image_data.width()/2, viewport()->height()-_image_data.height()/2, + _image_data.width()/2, _image_data.height()/2 ); + _zoomer->setImage( _image_data ); - /* * invalidate */ _image_data=QImage(); } @@ -285,16 +292,12 @@ void ImageScrollView::resizeEvent(QResizeEvent * e) odebug << "ImageScrollView resizeEvent" << oendl; QScrollView::resizeEvent(e); generateImage(); first_resize_done = true; emit viewportSizeChanged( viewport()->size() ); - /* - * move scrollbar - */ - _zoomer->setGeometry( viewport()->width()-100, viewport()->height()-50, 100, 50 ); } void ImageScrollView::keyPressEvent(QKeyEvent * e) { if (!e) return; int dx = horizontalScrollBar()->lineStep(); @@ -395,6 +398,29 @@ void ImageScrollView::setDestructiveClose() { WFlags fl = getWFlags(); /* clear it just in case */ fl &= ~WDestructiveClose; fl |= WDestructiveClose; setWFlags( fl ); } + +bool ImageScrollView::image_fit_into(const QSize&s ) +{ + if (s.width()>width()||s.height()>height()) { + return false; + } + return true; +} + +void ImageScrollView::setShowZoomer(bool how) +{ + show_zoomer = how; + check_zoomer(); +} + +void ImageScrollView::check_zoomer() +{ + if ( (!show_zoomer||image_fit_into(_pdata.size()) ) && _zoomer->isVisible()) { + _zoomer->hide(); + } else if ( show_zoomer && !image_fit_into(_pdata.size()) && _zoomer->isHidden()){ + _zoomer->show(); + } +} |