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authoralwin <alwin>2004-04-13 21:44:12 (UTC)
committer alwin <alwin>2004-04-13 21:44:12 (UTC)
commite61f3d63c310e4e560bc38f41c1390f246b5f670 (patch) (side-by-side diff)
tree2403a3b3ba1a47e6122d259b6b761f45c37f504d
parent482750c5b2494b7b2b94c13bf4743349b67d188a (diff)
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zoomer widget better integrated, size of it depends on the size of the displayed image,
may switched off by user and so on.
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/graphics/opie-eye/gui/imagescrollview.cpp44
-rw-r--r--noncore/graphics/opie-eye/gui/imagescrollview.h4
-rw-r--r--noncore/graphics/opie-eye/gui/mainwindow.cpp15
-rw-r--r--noncore/graphics/opie-eye/gui/mainwindow.h2
4 files changed, 56 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();
+ }
+}
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.h b/noncore/graphics/opie-eye/gui/imagescrollview.h
index 1b25103..e209dfb 100644
--- a/noncore/graphics/opie-eye/gui/imagescrollview.h
+++ b/noncore/graphics/opie-eye/gui/imagescrollview.h
@@ -25,12 +25,13 @@ public:
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
@@ -51,19 +52,22 @@ protected:
QPixmap _pdata;
int _mouseStartPosX,_mouseStartPosY;
bool scale_to_fit;
bool rotate_to_fit;
+ bool show_zoomer;
bool first_resize_done;
Rotation last_rot;
QString m_lastName;
virtual void rescaleImage(int w, int h);
virtual void rotate_into_data(Rotation r);
virtual void generateImage();
+ bool image_fit_into(const QSize&s);
+ void check_zoomer();
protected slots:
virtual void viewportMouseMoveEvent(QMouseEvent* e);
virtual void contentsMousePressEvent ( QMouseEvent * e);
virtual void resizeEvent(QResizeEvent * e);
virtual void keyPressEvent(QKeyEvent * e);
diff --git a/noncore/graphics/opie-eye/gui/mainwindow.cpp b/noncore/graphics/opie-eye/gui/mainwindow.cpp
index 3650493..ef23f79 100644
--- a/noncore/graphics/opie-eye/gui/mainwindow.cpp
+++ b/noncore/graphics/opie-eye/gui/mainwindow.cpp
@@ -103,18 +103,32 @@ PMainWindow::PMainWindow(QWidget* wid, const char* name, WFlags style)
btn->setIconSet( Resource::loadIconSet( "1to1" ) );
btn->setToggleButton(true);
btn->setOn(false);
connect(btn,SIGNAL(toggled(bool)),this,SLOT(slotScaleToggled(bool)));
autoScale = true;
+ btn = new QToolButton(bar);
+ btn->setIconSet( Resource::loadIconSet( "mag" ) );
+ btn->setToggleButton(true);
+ btn->setOn(true);
+ connect(btn,SIGNAL(toggled(bool)),this,SLOT(slotZoomerToggled(bool)));
+ zoomerOn = true;
}
PMainWindow::~PMainWindow() {
odebug << "Shutting down" << oendl;
}
+void PMainWindow::slotZoomerToggled(bool how)
+{
+ zoomerOn = how;
+ if (m_disp) {
+ m_disp->setShowZoomer(zoomerOn);
+ }
+}
+
void PMainWindow::slotRotateToggled(bool how)
{
autoRotate = how;
if (m_disp) {
m_disp->setAutoRotate(how);
}
@@ -228,12 +242,13 @@ void PMainWindow::initInfo() {
}
void PMainWindow::initDisp() {
initT<ImageView>( "Image ScrollView", &m_disp, ImageDisplay );
if (m_disp) {
m_disp->setAutoScale(autoScale);
m_disp->setAutoRotate(autoRotate);
+ m_disp->setShowZoomer(zoomerOn);
connect(m_disp,SIGNAL(dispImageInfo(const QString&)),this,SLOT(slotShowInfo(const QString&)));
}
}
/**
* With big Screen the plan could be to 'detach' the image
diff --git a/noncore/graphics/opie-eye/gui/mainwindow.h b/noncore/graphics/opie-eye/gui/mainwindow.h
index 59dba30..e9b16d0 100644
--- a/noncore/graphics/opie-eye/gui/mainwindow.h
+++ b/noncore/graphics/opie-eye/gui/mainwindow.h
@@ -38,12 +38,13 @@ signals:
public slots:
void slotShowInfo( const QString& inf );
void slotDisplay( const QString& inf );
void slotReturn();
void slotRotateToggled(bool);
void slotScaleToggled(bool);
+ void slotZoomerToggled(bool);
void setDocument( const QString& );
protected:
void raiseIconView();
void closeEvent( QCloseEvent* );
@@ -57,12 +58,13 @@ private:
Opie::Ui::OWidgetStack *m_stack;
PIconView* m_view;
imageinfo *m_info;
ImageView *m_disp;
bool autoRotate;
bool autoScale;
+ bool zoomerOn;
QToolButton*rotateButton;
private slots:
void slotConfig();
};