Make PictureViewer2 controls work

Now the controls actually do something. Not still as promised, but they
kinda work!

2 files changed, 71 insertions, 4 deletions

diff --git a/pictureviewer2.cpp b/pictureviewer2.cpp
index b18f9ed..e9af43d 100644
--- a/pictureviewer2.cpp
+++ b/pictureviewer2.cpp
@@ -73,6 +73,7 @@ PictureViewer2::PictureViewer2(QWidget *parent) : QGraphicsView(parent), mCur(0)
 
     //setup gui
     mScene = new PictureViewerGraphicsScene(this);
+    connect(mScene, SIGNAL(itemClicked(QGraphicsItem*)), this, SLOT(doControl(QGraphicsItem*)));
     setScene(mScene);
     readSettings();
     setMinimumSize(QSize(800, 600));
@@ -231,6 +232,32 @@ void PictureViewer2::selectPic(const QString &path){
     }
 }
 
+void PictureViewer2::stopSlide(){
+    mCurTimer->stop();
+    mSlideStopC->setDefaultTextColor(Qt::darkGreen);
+    mSlideAllC->setDefaultTextColor(mDefaultTextColor);
+    mSlideC->setDefaultTextColor(mDefaultTextColor);
+}
+
+void PictureViewer2::startSlide(){
+    mCurTimer->stop();
+    mCurTimer = mSlideTimer;
+    mSlideStopC->setDefaultTextColor(mDefaultTextColor);
+    mSlideAllC->setDefaultTextColor(mDefaultTextColor);
+    mSlideC->setDefaultTextColor(Qt::darkGreen);
+    mCurTimer->start(5000);
+}
+
+void PictureViewer2::startSlideAll(){
+    mCurTimer->stop();
+    mCurTimer = mSlideTimerAll;
+    mSlideStopC->setDefaultTextColor(mDefaultTextColor);
+    mSlideAllC->setDefaultTextColor(Qt::darkGreen);
+    mSlideC->setDefaultTextColor(mDefaultTextColor);
+    mCurTimer->start(5000);
+}
+
+
 void PictureViewer2::toggleSlide(bool slide){
     if(slide){
         mCurTimer->start(5000);
@@ -274,6 +301,8 @@ void PictureViewer2::readSettings(){
     mConfigMapPos = s.value("ui/mappingposition").toInt();
     mMappingPos = s.value("ui/pvmappingpos", QPointF(20, 20)).toPointF();
     mScene->setSceneRect(QRectF(0, 0, width(), height()));
+    mCursorOffset = s.value("ui/cursoroffset").toInt();
+    mScene->setCursorOffset(mCursorOffset);
     showFile(mCurPicData);
 }
 
@@ -397,6 +426,27 @@ void PictureViewer2::clearMarks(){
     constructInfoItem(mCurPicData, QSize());
 }
 
+void PictureViewer2::doControl(QGraphicsItem *item){
+    QGraphicsTextItem *curItem = static_cast<QGraphicsTextItem*>(item);
+    if(curItem){
+        if(curItem == mNextC){
+            next();
+        }else if(curItem == mPreviousC){
+            previous();
+        }else if(curItem == mSkipForwardC){
+            skip(25);
+        }else if(curItem == mSkipBackwardC){
+            skip(-25);
+        }else if(curItem == mSlideStopC){
+            stopSlide();
+        }else if(curItem == mSlideC){
+            startSlide();
+        }else if(curItem == mSlideAllC){
+            startSlideAll();
+        }
+    }
+}
+
 void PictureViewer2::wheelEvent(QWheelEvent *event){
     int steps = event->delta() / 8 / 15;
     if(steps < 0){
@@ -606,7 +656,7 @@ void PictureViewer2::nextFromAll(){
 
 void PictureViewer2::constructControlItem(){
     QStringList controls = QStringList() << "Next (>)" << "Previous (<)" << "Skip forward (>>)" << "Skip back (<<)" << "Stop Slide" << "Slide" << "Slide all";
-    QFont f = QFont();
+        QFont f = QFont();
     f.setPointSize(14);
     f.setBold(true);
     QFontMetrics fm(f);
@@ -624,6 +674,7 @@ void PictureViewer2::constructControlItem(){
     mNextC = new QGraphicsTextItem(mBoundingRectItem);
     mNextC->setFont(f);
     mNextC->setPlainText(controls.at(0));
+    mDefaultTextColor = mNextC->defaultTextColor();
     mPreviousC = new QGraphicsTextItem(mBoundingRectItem);
     mPreviousC->setFont(f);
     mPreviousC->setPlainText(controls.at(1));
@@ -651,7 +702,7 @@ void PictureViewer2::constructControlItem(){
     mSlideC->moveBy(0, 112);
     mSlideAllC = new QGraphicsTextItem(mBoundingRectItem);
     mSlideAllC->setFont(f);
-    mSlideAllC->setPlainText(controls.at(5));
+    mSlideAllC->setPlainText(controls.at(6));
     mSlideAllC->moveBy(0, 128);
 }
 
@@ -822,8 +873,10 @@ void BoundingRectItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *
 
 void PictureViewerGraphicsScene::mousePressEvent(QGraphicsSceneMouseEvent *e){
     QGraphicsScene::mousePressEvent(e);
-    QGraphicsItem *item = itemAt(e->scenePos(), QTransform());
+    QPointF curPos = e->scenePos();
+    curPos = QPointF(e->scenePos().x(), e->scenePos().y() - 16);
+    QGraphicsItem *item = itemAt(curPos, QTransform());
     if(item){
-        //do something!
+        emit itemClicked(item);
     }
 }
diff --git a/pictureviewer2.h b/pictureviewer2.h
index a3f1f2d..1592b5d 100644
--- a/pictureviewer2.h
+++ b/pictureviewer2.h
@@ -58,6 +58,9 @@ class PictureViewer2 : public QGraphicsView {
         void previous();
         void skip(int amount);
         void selectPic(const QString &path);
+        void stopSlide();
+        void startSlide();
+        void startSlideAll();
         void toggleSlide(bool slide);
         void slide(bool);
         void slideThrouhghAll(bool);
@@ -71,6 +74,7 @@ class PictureViewer2 : public QGraphicsView {
         void addToNewPics();
         void markCurrent();
         void clearMarks();
+        void doControl(QGraphicsItem *item);
 
     protected:
         virtual void wheelEvent(QWheelEvent *event);
@@ -102,6 +106,7 @@ class PictureViewer2 : public QGraphicsView {
         int mCurPos;
         int mConfigInfoPos;
         int mConfigMapPos;
+        int mCursorOffset;
         QTimer *mSlideTimer;
         QTimer *mSlideTimerAll;
         QTimer *mCurTimer;
@@ -119,6 +124,7 @@ class PictureViewer2 : public QGraphicsView {
         QGraphicsTextItem *mSlideAllC;
         bool mUseGradient;
         QColor mBgColor;
+        QColor mDefaultTextColor;
         QPointF mInfoPos;
         QPointF mMappingPos;
         QPointF mBoundingPos;
@@ -166,11 +172,19 @@ class BoundingRectItem : public QGraphicsItem {
 };
 
 class PictureViewerGraphicsScene : public QGraphicsScene {
+    Q_OBJECT
     public:
         explicit PictureViewerGraphicsScene(QObject *parent = 0) : QGraphicsScene(parent) {}
+        void setCursorOffset(int offset) { mCursorOffset = offset; }
+
+    signals:
+        void itemClicked(QGraphicsItem *item);
 
     protected:
         virtual void mousePressEvent(QGraphicsSceneMouseEvent *e);
+
+    private:
+        int mCursorOffset;
 };
 
 #endif // PICTUREVIEWER2_H