author | alwin <alwin> | 2004-04-14 19:00:02 (UTC) |
---|---|---|
committer | alwin <alwin> | 2004-04-14 19:00:02 (UTC) |
commit | 26e89198404dba70a3bea2b337f6677e6b177bb2 (patch) (side-by-side diff) | |
tree | c55849b61ff27c121fc3cc8e6954d1179323af38 /noncore/graphics | |
parent | b3156cadba8f4a397ac7d65947cdb7a33b5c3b72 (diff) | |
download | opie-26e89198404dba70a3bea2b337f6677e6b177bb2.zip opie-26e89198404dba70a3bea2b337f6677e6b177bb2.tar.gz opie-26e89198404dba70a3bea2b337f6677e6b177bb2.tar.bz2 |
mostly all basics done
-rw-r--r-- | noncore/graphics/opie-eye/gui/imagescrollview.cpp | 212 | ||||
-rw-r--r-- | noncore/graphics/opie-eye/gui/imagescrollview.h | 65 | ||||
-rw-r--r-- | noncore/graphics/opie-eye/gui/imageview.cpp | 3 | ||||
-rw-r--r-- | noncore/graphics/opie-eye/gui/imageview.h | 3 | ||||
-rw-r--r-- | noncore/graphics/opie-eye/gui/mainwindow.cpp | 2 | ||||
-rw-r--r-- | noncore/graphics/opie-eye/gui/mainwindow.h | 3 | ||||
-rw-r--r-- | noncore/graphics/opie-eye/lib/oimagezoomer.cpp | 18 | ||||
-rw-r--r-- | noncore/graphics/opie-eye/lib/oimagezoomer.h | 13 |
8 files changed, 221 insertions, 98 deletions
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.cpp b/noncore/graphics/opie-eye/gui/imagescrollview.cpp index d034ee0..3bb07a7 100644 --- a/noncore/graphics/opie-eye/gui/imagescrollview.cpp +++ b/noncore/graphics/opie-eye/gui/imagescrollview.cpp @@ -1,60 +1,93 @@ #include "imagescrollview.h" +#include "lib/oimagezoomer.h" + #include <opie2/odebug.h> #include <opie2/oapplication.h> #include <opie2/owait.h> -using namespace Opie::Core; - #include <qimage.h> #include <qlayout.h> #include <qpe/qcopenvelope_qws.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),show_zoomer(true),first_resize_done(false),m_lastName("") +/* for usage with the bitset */ +#define AUTO_SCALE 0 +#define AUTO_ROTATE 1 +#define SHOW_ZOOMER 2 +#define FIRST_RESIZE_DONE 3 +#define IMAGE_IS_JPEG 4 +#define IMAGE_SCALED_LOADED 5 + +#define SCROLLVIEW_BITSET_SIZE 6 + +namespace Opie { +namespace MM { +OImageScrollView::OImageScrollView( QWidget* parent, const char* name, WFlags f ) + :QScrollView(parent,name,f|Qt::WRepaintNoErase ),_image_data(),_original_data(), + m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("") { + _zoomer = 0; + m_states[AUTO_SCALE]=true; + m_states[AUTO_ROTATE]=true; + m_states[FIRST_RESIZE_DONE]=false; + m_states[IMAGE_IS_JPEG]=false; + m_states[IMAGE_SCALED_LOADED]=false; + m_states[SHOW_ZOOMER]=true; 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),show_zoomer(true),first_resize_done(false),m_lastName("") +OImageScrollView::OImageScrollView (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), + m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("") { + _zoomer = 0; + m_states[AUTO_SCALE]=always_scale; + m_states[AUTO_ROTATE]=rfit; + m_states[FIRST_RESIZE_DONE]=false; + m_states[IMAGE_IS_JPEG]=false; + m_states[IMAGE_SCALED_LOADED]=false; + m_states[SHOW_ZOOMER]=true; _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),show_zoomer(true),first_resize_done(false),m_lastName("") +OImageScrollView::OImageScrollView (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(),m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("") { + _zoomer = 0; + m_states.resize(SCROLLVIEW_BITSET_SIZE); + m_states[AUTO_SCALE]=always_scale; + m_states[AUTO_ROTATE]=rfit; + m_states[FIRST_RESIZE_DONE]=false; + m_states[IMAGE_IS_JPEG]=false; + m_states[IMAGE_SCALED_LOADED]=false; + m_states[SHOW_ZOOMER]=true; init(); setImage(img); } -void ImageScrollView::setImage(const QImage&img) +void OImageScrollView::setImage(const QImage&img) { _image_data = QImage(); _original_data=img; _original_data.convertDepth(QPixmap::defaultDepth()); _original_data.setAlphaBuffer(false); m_lastName = ""; - image_is_jpeg = false; - image_scaled_loaded = false; - if (first_resize_done) { + setImageIsJpeg(false); + setImageScaledLoaded(false); + if (FirstResizeDone()) { generateImage(); } } -void ImageScrollView::loadJpeg(bool interncall) +void OImageScrollView::loadJpeg(bool interncall) { if (m_lastName.isEmpty()) return; QImageIO iio( m_lastName, 0l ); QString param; bool real_load = false; - if (scale_to_fit) { + if (AutoScale()) { if (!interncall) { int wid, hei; wid = QApplication::desktop()->width(); @@ -67,15 +100,15 @@ void ImageScrollView::loadJpeg(bool interncall) param = QString( "Fast Shrink( 7 ) Scale( %1, %2, ScaleFree)" ).arg( wid ).arg( hei ); odebug << "Load jpeg scaled \"" << param << "\"" << oendl; iio.setParameters(param.latin1()); - image_scaled_loaded = true; + setImageScaledLoaded(true); real_load = true; } } else { - if (image_scaled_loaded||!interncall) { + if (ImageScaledLoaded()||!interncall) { odebug << "Load jpeg unscaled" << oendl; real_load = true; } - image_scaled_loaded = false; + setImageScaledLoaded(false); } if (real_load) { { @@ -89,20 +122,20 @@ void ImageScrollView::loadJpeg(bool interncall) } } -void ImageScrollView::setImage( const QString& path ) { +void OImageScrollView::setImage( const QString& path ) { odebug << "load new image " << oendl; if (m_lastName == path) return; m_lastName = path; QString itype = QImage::imageFormat(m_lastName); odebug << "Image type = " << itype << oendl; if (itype == "JPEG") { - image_is_jpeg = true; + setImageIsJpeg(true); loadJpeg(); } else { { QCopEnvelope( "QPE/System", "busy()" ); } - image_is_jpeg = false; + setImageIsJpeg(false); _original_data.load(path); _original_data.convertDepth(QPixmap::defaultDepth()); _original_data.setAlphaBuffer(false); @@ -112,13 +145,13 @@ void ImageScrollView::setImage( const QString& path ) { } } _image_data = QImage(); - if (first_resize_done) { + if (FirstResizeDone()) { generateImage(); } } /* should be called every time the QImage changed it content */ -void ImageScrollView::init() +void OImageScrollView::init() { odebug << "init " << oendl; @@ -129,6 +162,8 @@ void ImageScrollView::init() _zoomer = new Opie::MM::OImageZoomer( this, "The Zoomer" ); connect(_zoomer, SIGNAL( zoomAreaRel(int,int)), this, SLOT(scrollBy(int,int)) ); + connect(_zoomer, SIGNAL( zoomArea(int,int)), + this, SLOT(center(int,int)) ); connect(this,SIGNAL(contentsMoving(int,int)), _zoomer, (SLOT(setVisiblePoint(int,int))) ); connect(this,SIGNAL(imageSizeChanged(const QSize&)), @@ -138,45 +173,55 @@ void ImageScrollView::init() viewport()->setBackgroundColor(white); setFocusPolicy(QWidget::StrongFocus); - image_scaled_loaded = false; - image_is_jpeg = false; - if (first_resize_done) { - last_rot = Rotate0; + setImageScaledLoaded(false); + setImageIsJpeg(false); + if (FirstResizeDone()) { + m_last_rot = Rotate0; generateImage(); } else if (_original_data.size().isValid()) { - if (image_fit_into(_original_data.size()) || !show_zoomer) _zoomer->hide(); + if (image_fit_into(_original_data.size()) || !ShowZoomer()) _zoomer->hide(); resizeContents(_original_data.width(),_original_data.height()); } } -void ImageScrollView::setAutoRotate(bool how) +void OImageScrollView::setAutoRotate(bool how) { /* to avoid double repaints */ - if (rotate_to_fit != how) { - rotate_to_fit = how; + if (AutoRotate() != how) { + m_states.setBit(AUTO_ROTATE,how); _image_data = QImage(); generateImage(); } } -void ImageScrollView::setAutoScale(bool how) +bool OImageScrollView::AutoRotate()const +{ + return m_states.testBit(AUTO_ROTATE); +} + +void OImageScrollView::setAutoScale(bool how) { - scale_to_fit = how; + m_states.setBit(AUTO_SCALE,how); if (!how) { - rotate_to_fit = false; + setAutoRotate(false); } _image_data = QImage(); - if (image_is_jpeg && how == false && image_scaled_loaded==true) { + if (ImageIsJpeg() && how == false && ImageScaledLoaded()==true) { loadJpeg(true); } generateImage(); } -ImageScrollView::~ImageScrollView() +bool OImageScrollView::AutoScale()const +{ + return m_states.testBit(AUTO_SCALE); +} + +OImageScrollView::~OImageScrollView() { } -void ImageScrollView::rescaleImage(int w, int h) +void OImageScrollView::rescaleImage(int w, int h) { if (_image_data.width()==w && _image_data.height()==h) { return; @@ -189,7 +234,7 @@ void ImageScrollView::rescaleImage(int w, int h) _image_data = _image_data.smoothScale(smoothW,smoothH); } -void ImageScrollView::rotate_into_data(Rotation r) +void OImageScrollView::rotate_into_data(Rotation r) { /* realy - we must do this that way, 'cause when acting direct on _image_data the app will segfault :( */ @@ -303,19 +348,20 @@ void ImageScrollView::rotate_into_data(Rotation r) _image_data = dest; } -void ImageScrollView::generateImage() +void OImageScrollView::generateImage() { Rotation r = Rotate0; + if (_original_data.isNull()) return; { QCopEnvelope( "QPE/System", "busy()" ); } if (width()>height()&&_original_data.width()<_original_data.height() || width()<height()&&_original_data.width()>_original_data.height()) { - if (rotate_to_fit) r = Rotate90; + if (AutoRotate()) r = Rotate90; } odebug << " r = " << r << oendl; - if (scale_to_fit) { + if (AutoScale()) { if (!_image_data.size().isValid()||width()>_image_data.width()||height()>_image_data.height()) { odebug << "Rescaling data" << oendl; if (r==Rotate0) { @@ -326,13 +372,13 @@ void ImageScrollView::generateImage() } rescaleImage(width(),height()); resizeContents(_image_data.width(),_image_data.height()); - } else if (!first_resize_done||r!=last_rot||_image_data.width()==0) { + } else if (!FirstResizeDone()||r!=m_last_rot||_image_data.width()==0) { if (r==Rotate0) { _image_data = _original_data; } else { rotate_into_data(r); } - last_rot = r; + m_last_rot = r; resizeContents(_image_data.width(),_image_data.height()); } _pdata.convertFromImage(_image_data); @@ -347,10 +393,11 @@ void ImageScrollView::generateImage() /* * 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 ); + if (_zoomer) { + _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 */ @@ -361,17 +408,17 @@ void ImageScrollView::generateImage() } } -void ImageScrollView::resizeEvent(QResizeEvent * e) +void OImageScrollView::resizeEvent(QResizeEvent * e) { - odebug << "ImageScrollView resizeEvent" << oendl; + odebug << "OImageScrollView resizeEvent" << oendl; QScrollView::resizeEvent(e); generateImage(); - first_resize_done = true; + setFirstResizeDone(true); emit viewportSizeChanged( viewport()->size() ); } -void ImageScrollView::keyPressEvent(QKeyEvent * e) +void OImageScrollView::keyPressEvent(QKeyEvent * e) { if (!e) return; int dx = horizontalScrollBar()->lineStep(); @@ -394,7 +441,7 @@ void ImageScrollView::keyPressEvent(QKeyEvent * e) QScrollView::keyPressEvent(e); } -void ImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clipw, int cliph) +void OImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clipw, int cliph) { int w = clipw; int h = cliph; @@ -427,7 +474,7 @@ void ImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clipw } /* using the real geometry points and not the translated points is wanted! */ -void ImageScrollView::viewportMouseMoveEvent(QMouseEvent* e) +void OImageScrollView::viewportMouseMoveEvent(QMouseEvent* e) { odebug << "Move X and Y " << e->x() << " " << e->y() << oendl; int mx, my; @@ -456,7 +503,7 @@ void ImageScrollView::viewportMouseMoveEvent(QMouseEvent* e) _mouseStartPosY=my; } -void ImageScrollView::contentsMousePressEvent ( QMouseEvent * e) +void OImageScrollView::contentsMousePressEvent ( QMouseEvent * e) { odebug << " X and Y " << e->x() << " " << e->y() << oendl; /* this marks the beginning of a possible mouse move. Due internal reasons of QT @@ -468,7 +515,7 @@ void ImageScrollView::contentsMousePressEvent ( QMouseEvent * e) _mouseStartPosY = -1; } -void ImageScrollView::setDestructiveClose() { +void OImageScrollView::setDestructiveClose() { WFlags fl = getWFlags(); /* clear it just in case */ fl &= ~WDestructiveClose; @@ -476,7 +523,7 @@ void ImageScrollView::setDestructiveClose() { setWFlags( fl ); } -bool ImageScrollView::image_fit_into(const QSize&s ) +bool OImageScrollView::image_fit_into(const QSize&s ) { if (s.width()>width()||s.height()>height()) { return false; @@ -484,17 +531,56 @@ bool ImageScrollView::image_fit_into(const QSize&s ) return true; } -void ImageScrollView::setShowZoomer(bool how) +void OImageScrollView::setShowZoomer(bool how) { - show_zoomer = how; + m_states.setBit(SHOW_ZOOMER,how); check_zoomer(); } -void ImageScrollView::check_zoomer() +bool OImageScrollView::ShowZoomer()const +{ + return m_states.testBit(SHOW_ZOOMER); +} + +void OImageScrollView::check_zoomer() { - if ( (!show_zoomer||image_fit_into(_pdata.size()) ) && _zoomer->isVisible()) { + if (!_zoomer) return; + if ( (!ShowZoomer()||image_fit_into(_pdata.size()) ) && _zoomer->isVisible()) { _zoomer->hide(); - } else if ( show_zoomer && !image_fit_into(_pdata.size()) && _zoomer->isHidden()){ + } else if ( ShowZoomer() && !image_fit_into(_pdata.size()) && _zoomer->isHidden()){ _zoomer->show(); } } + +bool OImageScrollView::FirstResizeDone()const +{ + return m_states.testBit(FIRST_RESIZE_DONE); +} + +void OImageScrollView::setFirstResizeDone(bool how) +{ + m_states.setBit(FIRST_RESIZE_DONE,how); +} + +bool OImageScrollView::ImageIsJpeg()const +{ + return m_states.testBit(IMAGE_IS_JPEG); +} + +void OImageScrollView::setImageIsJpeg(bool how) +{ + m_states.setBit(IMAGE_IS_JPEG,how); +} + +bool OImageScrollView::ImageScaledLoaded()const +{ + return m_states.testBit(IMAGE_SCALED_LOADED); +} + +void OImageScrollView::setImageScaledLoaded(bool how) +{ + m_states.setBit(IMAGE_SCALED_LOADED,how); +} + +} // namespace MM +} // namespace Opie diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.h b/noncore/graphics/opie-eye/gui/imagescrollview.h index f6e187d..3d2ea38 100644 --- a/noncore/graphics/opie-eye/gui/imagescrollview.h +++ b/noncore/graphics/opie-eye/gui/imagescrollview.h @@ -1,44 +1,53 @@ #ifndef _IMAGE_SCROLL_VIEW_H #define _IMAGE_SCROLL_VIEW_H -#include <lib/oimagezoomer.h> - #include <qscrollview.h> #include <qimage.h> #include <qpixmap.h> #include <qstring.h> #include <qdialog.h> - +#include <qbitarray.h> class QPainter; -class ImageScrollView:public QScrollView +namespace Opie { namespace MM { + + class OImageZoomer; + +class OImageScrollView:public QScrollView { Q_OBJECT public: - ImageScrollView( QWidget* parent, const char* name = 0, WFlags fl = 0 ); - ImageScrollView (const QImage&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false ); - ImageScrollView (const QString&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false ); - virtual ~ImageScrollView(); + enum Rotation { + Rotate0, + Rotate90, + Rotate180, + Rotate270 + }; + + OImageScrollView( QWidget* parent, const char* name = 0, WFlags fl = 0 ); + OImageScrollView (const QImage&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false ); + OImageScrollView (const QString&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false ); + virtual ~OImageScrollView(); + - virtual void setImage(const QImage&); - virtual void setImage( const QString& path ); virtual void setDestructiveClose(); virtual void setAutoRotate(bool); virtual void setAutoScale(bool); virtual void setShowZoomer(bool); - enum Rotation { - Rotate0, - Rotate90, - Rotate180, - Rotate270 - }; + virtual bool AutoRotate()const; + virtual bool AutoScale()const; + virtual bool ShowZoomer()const; + +public slots: + virtual void setImage(const QImage&); + virtual void setImage( const QString& path ); + signals: - void sig_return(); void imageSizeChanged( const QSize& ); void viewportSizeChanged( const QSize& ); @@ -53,13 +62,9 @@ protected: int _mouseStartPosX,_mouseStartPosY; - bool scale_to_fit; - bool rotate_to_fit; - bool show_zoomer; - bool first_resize_done; - bool image_is_jpeg; - bool image_scaled_loaded; - Rotation last_rot; + QBitArray m_states; + + Rotation m_last_rot; QString m_lastName; virtual void rescaleImage(int w, int h); @@ -69,10 +74,22 @@ protected: bool image_fit_into(const QSize&s); void check_zoomer(); + /* internal bitset manipulation */ + virtual bool ImageIsJpeg()const; + virtual void setImageIsJpeg(bool how); + virtual bool ImageScaledLoaded()const; + virtual void setImageScaledLoaded(bool how); + virtual bool FirstResizeDone()const; + virtual void setFirstResizeDone(bool how); + protected slots: virtual void viewportMouseMoveEvent(QMouseEvent* e); virtual void contentsMousePressEvent ( QMouseEvent * e); virtual void resizeEvent(QResizeEvent * e); virtual void keyPressEvent(QKeyEvent * e); }; + +} +} + #endif diff --git a/noncore/graphics/opie-eye/gui/imageview.cpp b/noncore/graphics/opie-eye/gui/imageview.cpp index 2078b19..db3ae74 100644 --- a/noncore/graphics/opie-eye/gui/imageview.cpp +++ b/noncore/graphics/opie-eye/gui/imageview.cpp @@ -9,7 +9,7 @@ using namespace Opie::Core; ImageView::ImageView(Opie::Core::OConfig *cfg, QWidget* parent, const char* name, WFlags fl ) - : ImageScrollView(parent,name,fl) + : Opie::MM::OImageScrollView(parent,name,fl) { m_viewManager = 0; m_cfg = cfg; @@ -43,7 +43,6 @@ void ImageView::initKeys() lst.append( Opie::Core::OKeyPair::downArrowKey() ); lst.append( Opie::Core::OKeyPair::leftArrowKey() ); lst.append( Opie::Core::OKeyPair::rightArrowKey() ); - lst.append( Opie::Core::OKeyPair::returnKey() ); m_viewManager = new Opie::Core::OKeyConfigManager(m_cfg, "image_view_keys", lst, false,this, "image_view_keys" ); diff --git a/noncore/graphics/opie-eye/gui/imageview.h b/noncore/graphics/opie-eye/gui/imageview.h index 87e2b32..e4f899a 100644 --- a/noncore/graphics/opie-eye/gui/imageview.h +++ b/noncore/graphics/opie-eye/gui/imageview.h @@ -11,7 +11,7 @@ namespace Opie { } } -class ImageView:public ImageScrollView +class ImageView:public Opie::MM::OImageScrollView { Q_OBJECT @@ -26,7 +26,6 @@ public: signals: void dispImageInfo(const QString&); - void sig_return(); protected: Opie::Core::OConfig * m_cfg; diff --git a/noncore/graphics/opie-eye/gui/mainwindow.cpp b/noncore/graphics/opie-eye/gui/mainwindow.cpp index e5921d8..09f562a 100644 --- a/noncore/graphics/opie-eye/gui/mainwindow.cpp +++ b/noncore/graphics/opie-eye/gui/mainwindow.cpp @@ -3,11 +3,11 @@ * No WArranty... */ #include "mainwindow.h" +#include "imageview.h" #include "iconview.h" #include "filesystem.h" #include "imageinfoui.h" -#include "imageview.h" #include "viewmodebutton.h" #include <iface/ifaceinfo.h> diff --git a/noncore/graphics/opie-eye/gui/mainwindow.h b/noncore/graphics/opie-eye/gui/mainwindow.h index e9b16d0..adb5dc2 100644 --- a/noncore/graphics/opie-eye/gui/mainwindow.h +++ b/noncore/graphics/opie-eye/gui/mainwindow.h @@ -21,9 +21,10 @@ namespace Core{ } } +class ImageView; class PIconView; class imageinfo; -class ImageView; + class PMainWindow : public QMainWindow { Q_OBJECT enum Views { IconView, ImageInfo, ImageDisplay }; diff --git a/noncore/graphics/opie-eye/lib/oimagezoomer.cpp b/noncore/graphics/opie-eye/lib/oimagezoomer.cpp index 00b93e2..d1eec67 100644 --- a/noncore/graphics/opie-eye/lib/oimagezoomer.cpp +++ b/noncore/graphics/opie-eye/lib/oimagezoomer.cpp @@ -1,5 +1,7 @@ #include "oimagezoomer.h" +#include <opie2/odebug.h> + #include <qimage.h> #include <qpixmap.h> #include <qpainter.h> @@ -86,6 +88,7 @@ OImageZoomer::~OImageZoomer() { } void OImageZoomer::init() { + m_mevent = false; setFrameStyle( Panel | Sunken ); } @@ -195,8 +198,19 @@ void OImageZoomer::drawContents( QPainter* p ) { p->drawRect( x, y, w, h ); } -void OImageZoomer::mousePressEvent( QMouseEvent* ) { +void OImageZoomer::mousePressEvent( QMouseEvent*ev) { m_mouseX = m_mouseY = -1; + m_mevent = true; +} + +void OImageZoomer::mouseReleaseEvent( QMouseEvent*ev) { + if (!m_mevent) return; + int mx, my; + mx = ev->x(); + my = ev->y(); + int diffx = (mx) * m_imgSize.width() / width(); + int diffy = (my) * m_imgSize.height() / height(); + emit zoomArea(diffx,diffy); } void OImageZoomer::mouseMoveEvent( QMouseEvent* ev ) { @@ -205,10 +219,10 @@ void OImageZoomer::mouseMoveEvent( QMouseEvent* ev ) { my = ev->y(); if ( m_mouseX != -1 && m_mouseY != -1 ) { + m_mevent = false; int diffx = ( mx - m_mouseX ) * m_imgSize.width() / width(); int diffy = ( my - m_mouseY ) * m_imgSize.height() / height(); emit zoomAreaRel( diffx, diffy ); - emit zoomArea(m_visPt.x()+diffx, m_visPt.y()+diffy ); } m_mouseX = mx; m_mouseY = my; diff --git a/noncore/graphics/opie-eye/lib/oimagezoomer.h b/noncore/graphics/opie-eye/lib/oimagezoomer.h index 2516c61..0b356c9 100644 --- a/noncore/graphics/opie-eye/lib/oimagezoomer.h +++ b/noncore/graphics/opie-eye/lib/oimagezoomer.h @@ -71,7 +71,8 @@ signals: /** * Here you get absolute coordinates. - * This slot will be emitted from within the mouseMoveEvent of this widget. + * This slot will be emitted from within the mouseReleaseEvent of this widget. + * if no mouse move where done. * So you may not delete this widget * * @param x The absolute X Coordinate to scroll to. @@ -98,12 +99,17 @@ protected: * make sure to call these if you reimplememt * @internal */ - void mousePressEvent( QMouseEvent* ev ); + virtual void mousePressEvent( QMouseEvent* ev ); /** * make sure to call these if you reimplement * @internal */ - void mouseMoveEvent( QMouseEvent* ev ); + virtual void mouseMoveEvent( QMouseEvent* ev ); + /** + * make sure to call these if you reimplement + * @internal + */ + virtual void mouseReleaseEvent( QMouseEvent* ev ); private: /** @@ -114,6 +120,7 @@ private: QSize m_imgSize, m_visSize; QPoint m_visPt; int m_mouseX, m_mouseY; + bool m_mevent; }; /** |