Add keyboard actions to PictureViewer2

Never, ever forget: QVariant() casts to a valid int! Again, this was a
tough one, but maybe I shouldn't drink and program.
PictureViewer2 reacts to Escape and Space. Escape hides it and stops the
slide timer, Space activates the slide timer.

5 files changed, 52 insertions, 4 deletions

diff --git a/pictureswidget.cpp b/pictureswidget.cpp
index b1c144e..b420309 100644
--- a/pictureswidget.cpp
+++ b/pictureswidget.cpp
@@ -87,6 +87,7 @@ void PicturesWidget::constructWindowTitle(){
     MappingData selected = mMappingTree->selectedItem();
     if(selected.id != -1){
         windowTitle = QString("%1 - [%2]").arg(mWindowTitleBase).arg(selected.path.join("/"));
+        mPictureView->setHoverWinVisible(false);
     }
     emit needWindowTitleChange(windowTitle);
 }
@@ -96,6 +97,7 @@ void PicturesWidget::showInPicViewer(const QModelIndex &idx){
     if(!real.isValid()){
         return;
     }
+
     PicData pData = mPictureView->filesModel()->dataList(real);
     mPicViewer->setFile(pData);
     if(mPicViewerA){
@@ -175,6 +177,10 @@ void PictureView::setPVAll(){
     mPV->addFiles(data, true);
 }
 
+void PictureView::setHoverWinVisible(bool visible) const {
+    mHoverWin->setVisible(visible);
+}
+
 void PictureView::hideEvent(QHideEvent *){
     QByteArray pvHeader = header()->saveState();
     QSettings s;
diff --git a/pictureswidget.h b/pictureswidget.h
index 0239560..cdc40b5 100644
--- a/pictureswidget.h
+++ b/pictureswidget.h
@@ -74,6 +74,7 @@ class PictureView : public QTreeView {
         void refresh();
         void setPVData(int replace = false);
         void setPVAll();
+        void setHoverWinVisible(bool visible) const;
 
     protected:
         virtual void hideEvent(QHideEvent *);
diff --git a/pictureviewer2.cpp b/pictureviewer2.cpp
index d5a6300..a5f250b 100644
--- a/pictureviewer2.cpp
+++ b/pictureviewer2.cpp
@@ -99,8 +99,8 @@ void PictureViewer2::previous(){
     showFile(mFiles.at(mCurPos));
 }
 
-void PictureViewer2::slide(){
-    if(mSlideTimer->isActive()){
+void PictureViewer2::slide(bool){
+     if(mSlideTimer->isActive()){
         mSlideTimer->stop();
     }else{
         mSlideTimer->start(5000);
@@ -126,6 +126,22 @@ void PictureViewer2::shuffle(){
     std::random_shuffle(mFiles.begin(), mFiles.end());
 }
 
+void PictureViewer2::initActions(){
+    foreach(QAction *a, actions()){
+        //never, ever forget this when casting to int
+        //an invalid QVariant casts to a valid int!
+        if(!a->data().isValid()){
+            continue;
+        }
+        if(a->data().toInt() == HideAction){
+            mHideA = a;
+        }
+        if(a->data().toInt() == SlideAction){
+            mSlideA = a;
+        }
+    }
+}
+
 void PictureViewer2::wheelEvent(QWheelEvent *event){
     int steps = event->delta() / 8 / 15;
     if(steps < 0){
@@ -143,6 +159,22 @@ void PictureViewer2::contextMenuEvent(QContextMenuEvent *e){
     ctxMenu.exec(e->globalPos());
 }
 
+void PictureViewer2::keyPressEvent(QKeyEvent *e){
+    if(e->key() == Qt::Key_Escape){
+        mHideA->toggle();
+    }
+    if(e->key() == Qt::Key_Space){
+        mSlideA->toggle();
+    }
+    e->accept();
+}
+
+void PictureViewer2::hideEvent(QHideEvent *){
+    if(mSlideTimer->isActive()){
+        mSlideA->toggle();
+    }
+}
+
 void PictureViewer2::showFile(const PicData &file){
     QPixmap pixmap(file.at(PicFilesModel::FullPath).toString());
     if(pixmap.isNull()){
diff --git a/pictureviewer2.h b/pictureviewer2.h
index 6126930..e18fc18 100644
--- a/pictureviewer2.h
+++ b/pictureviewer2.h
@@ -27,6 +27,7 @@ typedef QList<QList<QVariant> > PicDataList;
 class PictureViewer2 : public QGraphicsView {
     Q_OBJECT
     public:
+        enum AssocActions { SlideAction, HideAction };
         explicit PictureViewer2(QWidget *parent = 0);
         void addFiles(const PicDataList &files, bool clear = true);
         void setFile(const PicData &file);
@@ -35,14 +36,17 @@ class PictureViewer2 : public QGraphicsView {
     public slots:
         void next();
         void previous();
-        void slide();
+        void slide(bool);
         void readSettings();
         void writeSettings();
         void shuffle();
+        void initActions();
 
     protected:
         virtual void wheelEvent(QWheelEvent *event);
         virtual void contextMenuEvent(QContextMenuEvent *e);
+        virtual void keyPressEvent(QKeyEvent *e);
+        virtual void hideEvent(QHideEvent *);
 
     private slots:
         void showFile(const PicData &data);
@@ -63,6 +67,8 @@ class PictureViewer2 : public QGraphicsView {
         bool mUseGradient;
         QColor mBgColor;
         QPointF mInfoPos;
+        QAction *mSlideA;
+        QAction *mHideA;
 };
 
 class PictureViewer2FileinfoItem : public QGraphicsItem {
diff --git a/shemov.cpp b/shemov.cpp
index 8fbceed..77c9a98 100644
--- a/shemov.cpp
+++ b/shemov.cpp
@@ -619,6 +619,7 @@ void SheMov::createActions(){
         // viewer actions
         mPVToggleA = new QAction(QIcon(":/dick_in_cage.png"), tr("Show/Hide Picture Viewer"), this);
         mPVToggleA->setCheckable(true);
+        mPVToggleA->setData(PictureViewer2::HideAction);
         connect(mPVToggleA, SIGNAL(toggled(bool)), mPicWidget, SLOT(showPicViewer(bool)));
         mPVToggleA->setChecked(false);
         mPicWidget->picView()->addAction(mPVToggleA);
@@ -644,7 +645,8 @@ void SheMov::createActions(){
         mPicWidget->picView()->addAction(pvSep2);
         mPVSlideA = new QAction(QIcon(":/chastity_belt_with_cuffs.png"), tr("Slide"), this);
         mPVSlideA->setCheckable(true);
-        connect(mPVSlideA, SIGNAL(triggered()), mPicWidget->picView()->PV(), SLOT(slide()));
+        mPVSlideA->setData(PictureViewer2::SlideAction);
+        connect(mPVSlideA, SIGNAL(toggled(bool)), mPicWidget->picView()->PV(), SLOT(slide(bool)));
         mPicWidget->picView()->addAction(mPVSlideA);
         QAction *pv2Sep1 = new QAction(this);
         pv2Sep1->setSeparator(true);
@@ -664,6 +666,7 @@ void SheMov::createActions(){
 
 
         mPicWidget->setPicViewerAction(mPVToggleA);
+        mPicWidget->picView()->PV()->initActions();
     //don't add actions with checkable(true) unless you know what you're doing!
     mPicActionGroup = new QActionGroup(this);
     mPicActionGroup->addAction(mPWDeletePicFromA);