Display control items

Draw control items in PictureViewer2 at the right centered on the y-
axis.

2 files changed, 67 insertions, 5 deletions

diff --git a/pictureviewer2.cpp b/pictureviewer2.cpp
index 71f4a80..b18f9ed 100644
--- a/pictureviewer2.cpp
+++ b/pictureviewer2.cpp
@@ -9,6 +9,9 @@
 #include <QApplication>
 #include <QGraphicsScene>
 #include <QGraphicsPixmapItem>
+#include <QGraphicsTextItem>
+#include <QGraphicsLineItem>
+#include <QFontMetrics>
 #include <QImage>
 #include <QWheelEvent>
 #include <QContextMenuEvent>
@@ -73,9 +76,9 @@ PictureViewer2::PictureViewer2(QWidget *parent) : QGraphicsView(parent), mCur(0)
     setScene(mScene);
     readSettings();
     setMinimumSize(QSize(800, 600));
+    constructControlItem();
     showFile(mFiles.at(mCurPos));
-    mBoundingRectItem = new BoundingRectItem(QSize(100, 300));
-    mScene->addItem(mBoundingRectItem);
+
 }
 
 void PictureViewer2::addFiles(const PicDataList &files, bool clear){
@@ -455,8 +458,8 @@ 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);
+    qreal ypos = event->size().height() / 2 - mBoundingRectItem->boundingRect().size().height() / 2;
+    mBoundingRectItem->setPos(width() - 15 - mBoundingRectItem->boundingRect().size().width(), ypos);
     showFile(mCurPicData);
 }
 
@@ -601,6 +604,57 @@ void PictureViewer2::nextFromAll(){
     ++mCurPos;
 }
 
+void PictureViewer2::constructControlItem(){
+    QStringList controls = QStringList() << "Next (>)" << "Previous (<)" << "Skip forward (>>)" << "Skip back (<<)" << "Stop Slide" << "Slide" << "Slide all";
+    QFont f = QFont();
+    f.setPointSize(14);
+    f.setBold(true);
+    QFontMetrics fm(f);
+    int width = 0;
+    foreach(QString c, controls){
+        int curWidth = fm.width(c);
+        if(curWidth > width){
+            width = curWidth;
+        }
+    }
+    f.setBold(true);
+    mBoundingRectItem = new BoundingRectItem(QSize(width + 10, 16 * (controls.count() + 3)));
+    mBoundingRectItem->setZValue(5);
+    mScene->addItem(mBoundingRectItem);
+    mNextC = new QGraphicsTextItem(mBoundingRectItem);
+    mNextC->setFont(f);
+    mNextC->setPlainText(controls.at(0));
+    mPreviousC = new QGraphicsTextItem(mBoundingRectItem);
+    mPreviousC->setFont(f);
+    mPreviousC->setPlainText(controls.at(1));
+    mPreviousC->moveBy(0, 16);
+    QGraphicsLineItem *l1 = new QGraphicsLineItem(mBoundingRectItem);
+    l1->setLine(QLine(QPoint(5, 48), QPoint(width, 48)));
+    mSkipForwardC = new QGraphicsTextItem(mBoundingRectItem);
+    mSkipForwardC->setFont(f);
+    mSkipForwardC->setPlainText(controls.at(2));
+    mSkipForwardC->moveBy(0, 48);
+    mSkipBackwardC = new QGraphicsTextItem(mBoundingRectItem);
+    mSkipBackwardC->setFont(f);
+    mSkipBackwardC->setPlainText(controls.at(3));
+    mSkipBackwardC->moveBy(0, 64);
+    QGraphicsLineItem *l2 = new QGraphicsLineItem(mBoundingRectItem);
+    l2->setLine(QLine(QPoint(5, 96), QPoint(width, 96)));
+    mSlideStopC = new QGraphicsTextItem(mBoundingRectItem);
+    mSlideStopC->setFont(f);
+    mSlideStopC->setPlainText(controls.at(4));
+    mSlideStopC->setDefaultTextColor(Qt::darkGreen);
+    mSlideStopC->moveBy(0, 96);
+    mSlideC = new QGraphicsTextItem(mBoundingRectItem);
+    mSlideC->setFont(f);
+    mSlideC->setPlainText(controls.at(5));
+    mSlideC->moveBy(0, 112);
+    mSlideAllC = new QGraphicsTextItem(mBoundingRectItem);
+    mSlideAllC->setFont(f);
+    mSlideAllC->setPlainText(controls.at(5));
+    mSlideAllC->moveBy(0, 128);
+}
+
 void PictureViewer2::setGradient(const QPixmap &pic){
     QPoint val1 = QPoint(qrand() % pic.width(), qrand() % pic.height());
     QPoint val2 = QPoint(qrand() % pic.width(), qrand() % pic.height());
diff --git a/pictureviewer2.h b/pictureviewer2.h
index 6ebcdd8..a3f1f2d 100644
--- a/pictureviewer2.h
+++ b/pictureviewer2.h
@@ -16,6 +16,7 @@
 
 class PictureViewerGraphicsScene;
 class BoundingRectItem;
+class QGraphicsTextItem;
 class QGraphicsPixmapItem;
 class QWheelEvent;
 class QContextMenuEvent;
@@ -87,7 +88,7 @@ class PictureViewer2 : public QGraphicsView {
         void nextFromAll();
 
     private:
-        void setupDialog();
+        void constructControlItem();
         void setGradient(const QPixmap &pic);
         void setNextBatch();
         QTextDocument *treeToString(const SmTreeItem *root) const;
@@ -109,6 +110,13 @@ class PictureViewer2 : public QGraphicsView {
         PictureViewer2Item *mFnItem;
         PictureViewer2Item *mMappingItem;
         BoundingRectItem *mBoundingRectItem;
+        QGraphicsTextItem *mNextC;
+        QGraphicsTextItem *mPreviousC;
+        QGraphicsTextItem *mSkipForwardC;
+        QGraphicsTextItem *mSkipBackwardC;
+        QGraphicsTextItem *mSlideStopC;
+        QGraphicsTextItem *mSlideC;
+        QGraphicsTextItem *mSlideAllC;
         bool mUseGradient;
         QColor mBgColor;
         QPointF mInfoPos;