Slide show

Implement slide show in Pictureviewer2. Slide over all available files
and wrap around when reaching the end of the list.
Also added some more artwork.

1 files changed, 29 insertions, 4 deletions

diff --git a/pictureviewer2.cpp b/pictureviewer2.cpp
index 3bcc404..1b797d3 100644
--- a/pictureviewer2.cpp
+++ b/pictureviewer2.cpp
@@ -11,6 +11,9 @@
 #include <QGraphicsPixmapItem>
 #include <QImage>
 #include <QWheelEvent>
+#include <QContextMenuEvent>
+#include <QMenu>
+#include <QTimer>
 
 #include "pictureviewer2.h"
 #include "pictureswidget.h"
@@ -27,6 +30,10 @@ PictureViewer2::PictureViewer2(QWidget *parent) : QGraphicsView(parent), mCur(0)
     initialData[PicFilesModel::FullPath] = mDefaultFile;
     mFiles << initialData;
 
+    //picture show
+    mSlideTimer = new QTimer(this);
+    connect(mSlideTimer, SIGNAL(timeout()), this, SLOT(next()));
+
     //setup gui
     mScene = new QGraphicsScene(this);
     setScene(mScene);
@@ -64,20 +71,30 @@ QSize PictureViewer2::sizeHint() const{
 
 void PictureViewer2::next(){
     if(mCurPos + 1 >= mFiles.size()){
-        return;
+        mCurPos = 0;
+    }else{
+        ++mCurPos;
     }
-    ++mCurPos;
     showFile(mFiles.at(mCurPos));
 }
 
 void PictureViewer2::previous(){
     if(mCurPos - 1 < 0){
-        return;
+        mCurPos = mFiles.size() - 1;
+    }else{
+        --mCurPos;
     }
-    --mCurPos;
     showFile(mFiles.at(mCurPos));
 }
 
+void PictureViewer2::slide(){
+    if(mSlideTimer->isActive()){
+        mSlideTimer->stop();
+    }else{
+        mSlideTimer->start(5000);
+    }
+}
+
 void PictureViewer2::wheelEvent(QWheelEvent *event){
     int steps = event->delta() / 8 / 15;
     if(steps < 0){
@@ -87,6 +104,14 @@ void PictureViewer2::wheelEvent(QWheelEvent *event){
     }
 }
 
+void PictureViewer2::contextMenuEvent(QContextMenuEvent *e){
+    QMenu ctxMenu;
+    foreach(QAction *a, actions()){
+        ctxMenu.addAction(a);
+    }
+    ctxMenu.exec(e->globalPos());
+}
+
 void PictureViewer2::showFile(const PicData &file){
     QPixmap pixmap(file.at(PicFilesModel::FullPath).toString());
     if(pixmap.isNull()){