Create dummy BoundingRectItem for controls

Draw a dummy rounded rectangle on the bottom left for control items.

2 files changed, 38 insertions, 2 deletions

diff --git a/pictureviewer2.cpp b/pictureviewer2.cpp
index f57cab6..71f4a80 100644
--- a/pictureviewer2.cpp
+++ b/pictureviewer2.cpp
@@ -74,6 +74,8 @@ PictureViewer2::PictureViewer2(QWidget *parent) : QGraphicsView(parent), mCur(0)
     readSettings();
     setMinimumSize(QSize(800, 600));
     showFile(mFiles.at(mCurPos));
+    mBoundingRectItem = new BoundingRectItem(QSize(100, 300));
+    mScene->addItem(mBoundingRectItem);
 }
 
 void PictureViewer2::addFiles(const PicDataList &files, bool clear){
@@ -453,6 +455,8 @@ void PictureViewer2::hideEvent(QHideEvent *e){
 
 void PictureViewer2::resizeEvent(QResizeEvent *event){
     QGraphicsView::resizeEvent(event);
+    int brposy = event->size().height() - mBoundingRectItem->boundingRect().size().height() - 5;
+    mBoundingRectItem->setPos(5, brposy);
     showFile(mCurPicData);
 }
 
@@ -651,7 +655,7 @@ void PictureViewer2::treeToStringRecursive(const SmTreeItem *parent, QTextCursor
     }
 }
 
-QPointF PictureViewer2::getPos(PictureViewer2Item *item, int pos, const QPointF &movPos){
+QPointF PictureViewer2::getPos(QGraphicsItem *item, int pos, const QPointF &movPos){
     QSizeF curSize = size();
     item->setFlags(0);
     if(pos == ConfigurationDialog::TopLeft){
@@ -744,6 +748,24 @@ void PictureViewer2Item::paint(QPainter *painter, const QStyleOptionGraphicsItem
     painter->restore();
 }
 
+QRectF BoundingRectItem::boundingRect() const {
+    return QRectF(0, 0, mSize.width(), mSize.height());
+}
+
+void BoundingRectItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget){
+    Q_UNUSED(option);
+    Q_UNUSED(widget);
+    painter->save();
+    painter->setRenderHint(QPainter::Antialiasing, true);
+    painter->setRenderHint(QPainter::TextAntialiasing, true);
+    QColor bgColor = QColor(Qt::white);
+    bgColor.setAlpha(80);
+    QBrush brush(bgColor);
+    painter->setPen(QColor(Qt::yellow));
+    painter->setBrush(brush);
+    painter->drawRoundedRect(boundingRect(), 15.0, 15.0);
+}
+
 void PictureViewerGraphicsScene::mousePressEvent(QGraphicsSceneMouseEvent *e){
     QGraphicsScene::mousePressEvent(e);
     QGraphicsItem *item = itemAt(e->scenePos(), QTransform());
diff --git a/pictureviewer2.h b/pictureviewer2.h
index 5b78982..6ebcdd8 100644
--- a/pictureviewer2.h
+++ b/pictureviewer2.h
@@ -15,6 +15,7 @@
 #include <QStaticText>
 
 class PictureViewerGraphicsScene;
+class BoundingRectItem;
 class QGraphicsPixmapItem;
 class QWheelEvent;
 class QContextMenuEvent;
@@ -91,7 +92,7 @@ class PictureViewer2 : public QGraphicsView {
         void setNextBatch();
         QTextDocument *treeToString(const SmTreeItem *root) const;
         void treeToStringRecursive(const SmTreeItem *parent, QTextCursor *cursor, int indent) const;
-        QPointF getPos(PictureViewer2Item *item, int pos, const QPointF &movPos);
+        QPointF getPos(QGraphicsItem *item, int pos, const QPointF &movPos);
         QString constructWindowTitle() const;
         PicDataList mFiles;
         PicDataList mMarkedFiles;
@@ -107,10 +108,12 @@ class PictureViewer2 : public QGraphicsView {
         const static QString mDefaultFile;
         PictureViewer2Item *mFnItem;
         PictureViewer2Item *mMappingItem;
+        BoundingRectItem *mBoundingRectItem;
         bool mUseGradient;
         QColor mBgColor;
         QPointF mInfoPos;
         QPointF mMappingPos;
+        QPointF mBoundingPos;
         QAction *mSlideA;
         QAction *mToggleSlideA;
         QAction *mSlideAllA;
@@ -143,6 +146,17 @@ class PictureViewer2Item : public QGraphicsItem {
         QTextDocument *mDoc;
 };
 
+class BoundingRectItem : public QGraphicsItem {
+    public:
+        explicit BoundingRectItem(const QSize &size, QGraphicsItem *parent = 0) : QGraphicsItem(parent), mSize(size) {}
+        QRectF boundingRect() const;
+        virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
+
+    private:
+        QSize mSize;
+
+};
+
 class PictureViewerGraphicsScene : public QGraphicsScene {
     public:
         explicit PictureViewerGraphicsScene(QObject *parent = 0) : QGraphicsScene(parent) {}