From 61cb9c9ad238e5aec6aaa1384549e0aab99d14bf Mon Sep 17 00:00:00 2001
From: zecke <zecke>
Date: Wed, 07 Apr 2004 23:33:48 +0000
Subject: First version of the zoomer placement still needs some work though

---
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.cpp b/noncore/graphics/opie-eye/gui/imagescrollview.cpp
index ad19219..5b12258 100644
--- a/noncore/graphics/opie-eye/gui/imagescrollview.cpp
+++ b/noncore/graphics/opie-eye/gui/imagescrollview.cpp
@@ -60,6 +60,21 @@ void ImageScrollView::setImage( const QString& path ) {
 void ImageScrollView::init()
 {
     odebug << "init " << oendl;
+
+    /*
+     * create the zoomer
+     * and connect ther various signals
+     */
+    _zoomer = new Opie::MM::OImageZoomer( this, "The Zoomer" );
+    connect(_zoomer, SIGNAL( zoomAreaRel(int,int)),
+            this, SLOT(scrollBy(int,int)) );
+    connect(this,SIGNAL(contentsMoving(int,int)),
+            _zoomer, (SLOT(setVisiblePoint(int,int))) );
+    connect(this,SIGNAL(imageSizeChanged(const QSize&)),
+            _zoomer, SLOT(setImageSize(const QSize&)) );
+    connect(this,SIGNAL(viewportSizeChanged(const QSize&)),
+            _zoomer, SLOT(setViewPortSize(const QSize&)) );
+
     viewport()->setBackgroundColor(white);
     setFocusPolicy(QWidget::StrongFocus);
     if (first_resize_done) {
@@ -251,6 +266,17 @@ void ImageScrollView::generateImage()
         resizeContents(_image_data.width(),_image_data.height());
     }
     _pdata.convertFromImage(_image_data);
+
+    /*
+     * update the zoomer
+     */
+    emit imageSizeChanged( _image_data.size() );
+    rescaleImage( 128, 128 );
+    _zoomer->setImage( _image_data );
+
+    /*
+     * invalidate
+     */
     _image_data=QImage();
 }
 
@@ -260,6 +286,12 @@ void ImageScrollView::resizeEvent(QResizeEvent * e)
     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)
@@ -320,6 +352,7 @@ 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)
 {
+    odebug << "Move X and Y " << e->x() << " " << e->y() << oendl;
     int mx, my;
     mx = e->x();
     my = e->y();
@@ -346,12 +379,13 @@ void ImageScrollView::viewportMouseMoveEvent(QMouseEvent* e)
     _mouseStartPosY=my;
 }
 
-void ImageScrollView::contentsMousePressEvent ( QMouseEvent * )
+void ImageScrollView::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
        the geometry values here may real differ from that set in MoveEvent (I don't know
        why). For getting them in real context, we use the first move-event to set the start
-       position ;) 
+       position ;)
     */
     _mouseStartPosX = -1;
     _mouseStartPosY = -1;
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.h b/noncore/graphics/opie-eye/gui/imagescrollview.h
index eb91dbd..1b25103 100644
--- a/noncore/graphics/opie-eye/gui/imagescrollview.h
+++ b/noncore/graphics/opie-eye/gui/imagescrollview.h
@@ -1,12 +1,16 @@
 #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>
 
+
+
 class QPainter;
 
 class ImageScrollView:public QScrollView
@@ -34,11 +38,14 @@ public:
 
 signals:
     void sig_return();
+    void imageSizeChanged( const QSize& );
+    void viewportSizeChanged( const QSize& );
 
 protected:
     virtual void drawContents ( QPainter * p, int clipx, int clipy, int clipw, int cliph );
     void init();
 
+    Opie::MM::OImageZoomer *_zoomer;
     QImage _image_data;
     QImage _original_data;
     QPixmap _pdata;
diff --git a/noncore/graphics/opie-eye/lib/oimagezoomer.cpp b/noncore/graphics/opie-eye/lib/oimagezoomer.cpp
index 178fbd4..ffa3c0c 100644
--- a/noncore/graphics/opie-eye/lib/oimagezoomer.cpp
+++ b/noncore/graphics/opie-eye/lib/oimagezoomer.cpp
@@ -26,6 +26,10 @@ OImageZoomer::OImageZoomer( const QSize& pSize, const QSize& vSize, QWidget* par
     init();
 }
 
+OImageZoomer::~OImageZoomer() {
+
+}
+
 void OImageZoomer::init() {
     setFrameStyle( Panel | Sunken );
 }
@@ -93,7 +97,7 @@ void OImageZoomer::drawContents( QPainter* p ) {
 }
 
 void OImageZoomer::mousePressEvent( QMouseEvent*  ) {
-
+    m_mouseX = m_mouseY = -1;
 }
 
 void OImageZoomer::mouseMoveEvent( QMouseEvent* ev ) {
@@ -102,10 +106,10 @@ void OImageZoomer::mouseMoveEvent( QMouseEvent* ev ) {
     my = ev->y();
 
     if ( m_mouseX != -1 && m_mouseY != -1 ) {
-        int diffx = m_mouseX-mx;
-        int diffy = m_mouseY-my;
-//       emit zoomAreaRel( diffx, diffy );
-//      emit zoomArea(
+        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;
--
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