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authoralwin <alwin>2004-04-04 23:02:29 (UTC)
committer alwin <alwin>2004-04-04 23:02:29 (UTC)
commit318c10ce368a6bf99f3412a2ff1ef0a9177c965a (patch) (side-by-side diff)
treea38485b18eb9a2cd4a8bb5bccde0f91df3c0521e
parent9242abc186f0acc3df7020aaa219c435c2e00672 (diff)
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ok, the first - realy first - working shot of a special
ImageScrollView. But the most important things are working now and can be used. Todo: - check on a pda(!) doublebuffering (bitBlt) - may be it will paint faster - implemented mouseEvents seems not working good, its just a first try.
Diffstat (more/less context) (show whitespace changes)
-rw-r--r--noncore/graphics/opie-eye/gui/iconview.cpp8
-rw-r--r--noncore/graphics/opie-eye/gui/imagescrollview.cpp97
-rw-r--r--noncore/graphics/opie-eye/gui/imagescrollview.h43
3 files changed, 147 insertions, 1 deletions
diff --git a/noncore/graphics/opie-eye/gui/iconview.cpp b/noncore/graphics/opie-eye/gui/iconview.cpp
index ac4b899..de2cdf0 100644
--- a/noncore/graphics/opie-eye/gui/iconview.cpp
+++ b/noncore/graphics/opie-eye/gui/iconview.cpp
@@ -9,2 +9,3 @@
#include <gui/imageinfoui.h>
+#include <gui/imagescrollview.h>
@@ -373,3 +374,8 @@ void PIconView::slotEnd() {
void PIconView::slotShowImage() {
-
+ qDebug("image show");
+ bool isDir = false;
+ QString name = currentFileName(isDir);
+ if (isDir) return;
+ ImageDlg dlg(name);
+ QPEApplication::execDialog(&dlg);
}
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.cpp b/noncore/graphics/opie-eye/gui/imagescrollview.cpp
new file mode 100644
index 0000000..f36b717
--- a/dev/null
+++ b/noncore/graphics/opie-eye/gui/imagescrollview.cpp
@@ -0,0 +1,97 @@
+#include "imagescrollview.h"
+
+#include <qimage.h>
+#include <qlayout.h>
+
+ImageScrollView::ImageScrollView (const QImage&img, QWidget * parent, const char * name, WFlags f)
+ :QScrollView(parent,name,f|Qt::WRepaintNoErase),_image_data(img)
+{
+ init();
+}
+
+ImageScrollView::ImageScrollView (const QString&img, QWidget * parent, const char * name, WFlags f)
+ :QScrollView(parent,name,f/*|Qt::WRepaintNoErase*/),_image_data(img)
+{
+ init();
+}
+
+void ImageScrollView::setImage(const QImage&img)
+{
+ _image_data = img;
+ init();
+}
+
+/* should be called every time the QImage changed it content */
+void ImageScrollView::init()
+{
+ viewport()->setBackgroundColor(white);
+ resizeContents(_image_data.width(),_image_data.height());
+}
+
+ImageScrollView::~ImageScrollView()
+{
+}
+
+void ImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clipw, int cliph)
+{
+ int w = clipw;
+ int h = cliph;
+ int x = clipx;
+ int y = clipy;
+ bool erase = false;
+
+ if (w>_image_data.width()) {
+ w=_image_data.width();
+ x = 0;
+ erase = true;
+ } else if (x+w>_image_data.width()){
+ x = _image_data.width()-w;
+ }
+ if (h>_image_data.height()) {
+ h=_image_data.height();
+ y = 0;
+ erase = true;
+ } else if (y+h>_image_data.height()){
+ y = _image_data.height()-h;
+ }
+ if (erase) {
+ p->fillRect(clipx,clipy,clipw,cliph,white);
+ }
+ p->drawImage(clipx,clipy,_image_data,x,y,w,h);
+}
+
+void ImageScrollView::viewportMouseMoveEvent(QMouseEvent* e)
+{
+ int mx, my;
+ viewportToContents( e->x(), e->y(), mx, my );
+
+ scrollBy(_mouseStartPosX-mx,my-_mouseStartPosY);
+
+ _mouseStartPosX=mx;
+ _mouseStartPosY=my;
+}
+
+void ImageScrollView::contentsMouseReleaseEvent ( QMouseEvent * e)
+{
+ viewportToContents( e->x(), e->y(), _mouseStartPosX,_mouseStartPosY );
+}
+
+void ImageScrollView::contentsMousePressEvent ( QMouseEvent * e)
+{
+ viewportToContents( e->x(), e->y(), _mouseStartPosX,_mouseStartPosY );
+}
+
+/* for testing */
+ImageDlg::ImageDlg(const QString&fname,QWidget * parent, const char * name)
+ :QDialog(parent,name,true,WStyle_ContextHelp)
+{
+ QVBoxLayout*dlglayout = new QVBoxLayout(this);
+ dlglayout->setSpacing(2);
+ dlglayout->setMargin(1);
+ ImageScrollView*inf = new ImageScrollView(fname,this);
+ dlglayout->addWidget(inf);
+}
+
+ImageDlg::~ImageDlg()
+{
+}
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.h b/noncore/graphics/opie-eye/gui/imagescrollview.h
new file mode 100644
index 0000000..5836c8d
--- a/dev/null
+++ b/noncore/graphics/opie-eye/gui/imagescrollview.h
@@ -0,0 +1,43 @@
+#ifndef __IMAGE_SCROLL_VIEW_H
+#define __IMAGE_SCROLL_VIEW_H
+
+#include <qscrollview.h>
+#include <qimage.h>
+#include <qstring.h>
+#include <qdialog.h>
+
+class QPainter;
+
+class ImageScrollView:public QScrollView
+{
+ Q_OBJECT
+public:
+ ImageScrollView (const QImage&, QWidget * parent=0, const char * name=0, WFlags f=0 );
+ ImageScrollView (const QString&, QWidget * parent=0, const char * name=0, WFlags f=0 );
+ virtual ~ImageScrollView();
+
+ void setImage(const QImage&);
+protected:
+ virtual void drawContents ( QPainter * p, int clipx, int clipy, int clipw, int cliph );
+ void init();
+
+ QImage _image_data;
+
+ int _mouseStartPosX,_mouseStartPosY;
+
+protected slots:
+ virtual void viewportMouseMoveEvent(QMouseEvent* e);
+ virtual void contentsMousePressEvent ( QMouseEvent * e);
+ virtual void contentsMouseReleaseEvent ( QMouseEvent * e);
+};
+
+/* for testing */
+class ImageDlg:public QDialog
+{
+ Q_OBJECT
+public:
+ ImageDlg(const QString&,QWidget * parent=0, const char * name=0);
+ virtual ~ImageDlg();
+};
+
+#endif