diff --git a/src/petrack.cpp b/src/petrack.cpp
index 8fac72196cd07437561142407777e28ef7fc8b5a..bb6e69cc9cfab8e375b334647aa6996e6fb31ce5 100644
--- a/src/petrack.cpp
+++ b/src/petrack.cpp
@@ -213,12 +213,10 @@ Petrack::Petrack(QString petrackVersion) :
     mViewWidget = new ViewWidget(this);
     mView       = mViewWidget->view();
     mView->setScene(mScene);
-    connect(mView, &GraphicsView::mouseDoubleClick, this, [this]() { this->openSequence(); });
     connect(mView, &GraphicsView::mouseShiftDoubleClick, this, &Petrack::addManualTrackPointOnlyVisible);
     connect(mView, &GraphicsView::mouseShiftControlDoubleClick, this, &Petrack::splitTrackPerson);
     connect(mView, &GraphicsView::mouseControlDoubleClick, this, &Petrack::addOrMoveManualTrackPoint);
     connect(mView, &GraphicsView::mouseRightDoubleClick, this, &Petrack::deleteTrackPoint);
-    connect(mView, &GraphicsView::mouseMiddleDoubleClick, this, &Petrack::deleteTrackPointAll);
     connect(mView, &GraphicsView::mouseShiftWheel, this, &Petrack::skipToFrameWheel);
     connect(mView, &GraphicsView::mouseCtrlAltDoubleClick, this, &Petrack::skipToFrameFromTrajectory);
     connect(mView, &GraphicsView::mouseAltMoved, this, &Petrack::moveTrackPoint);
@@ -330,13 +328,19 @@ Petrack::Petrack(QString petrackVersion) :
     createMenus();
     createStatusBar();
 
-    auto *exportShortCut = new QShortcut{QKeySequence("Ctrl+e"), this};
+    auto *exportShortCut = new QShortcut{QKeySequence("Shift+e"), this};
     connect(exportShortCut, &QShortcut::activated, this, [=]() { exportTracker(); });
 
 
     auto *toggleOnlineTracking = new QShortcut{QKeySequence("Shift+t"), this};
     connect(toggleOnlineTracking, &QShortcut::activated, this, [=]() { mControlWidget->toggleOnlineTracking(); });
 
+    auto *toggleRecognition = new QShortcut{QKeySequence("Shift+r"), this};
+    connect(toggleRecognition, &QShortcut::activated, this, [=]() { mControlWidget->toggleRecognition(); });
+
+    auto *toggleShowOnly = new QShortcut{QKeySequence("Shift+a"), this};
+    connect(toggleShowOnly, &QShortcut::activated, this, [=]() { mControlWidget->toggleShowOnly(); });
+
     // TODO delete once we get Options to be value only (i.e. no Pointer/Ref anymore)
     mReco.getCodeMarkerOptions().setControlWidget(mControlWidget);
     mReco.getCodeMarkerOptions().setCodeMarkerItem(mCodeMarkerItem);
@@ -1698,22 +1702,18 @@ void Petrack::keyBindings()
         "trajectory deletion",
         {{"Ctrl + double-click right mouse button", "deletes a trajectory"},
          {"Shift + double-click right mouse button", "deletes the past part of a trajectory"},
-         {"Alt + double-click right mouse button", "deletes the future part of a trajectory"},
-         {"Ctrl + double-click middle mouse button", "deletes all trajectories"},
-         {"Shift + double-click middle mouse button", "deletes the past part of all trajectories"},
-         {"Alt + double-click middle mouse button", "deletes the future part of all trajectories"}}};
+         {"Alt + double-click right mouse button", "deletes the future part of a trajectory"}}};
 
     KeyBindingGroup video_navigation{
         "video navigation",
-        {{"Space bar", "toggles between pause and last play direction"},
-         {"Ctrl + Alt + double-click left mouse button", "jumps to frame of trajectory point under cursor"},
-         {"Mouse scroll wheel",
-          "zooms in and out to or from the pixel of the image\nat the position of the mouse pointer"},
-         {"Shift + mouse scroll wheel", "plays forwards or backwards frame by frame"},
-         {"Holding left mouse button", "moves image"},
-         {"Arrow up/Arrow down", "zoom in/out"},
-         {"Arrow left/Arrow right", "frame back/forward"},
-         {"Double-click left mouse button", "opens video or image sequence"}
+        {
+            {"Space bar", "toggles between pause and last play direction"},
+            {"Ctrl + Alt + double-click left mouse button", "jumps to frame of trajectory point under cursor"},
+            {"Mouse scroll wheel",
+             "zooms in and out to or from the pixel of the image\nat the position of the mouse pointer"},
+            {"Shift + mouse scroll wheel", "plays forwards or backwards frame by frame"},
+            {"Holding left mouse button", "moves image"},
+            {"Arrow left/Arrow right", "frame back/forward"},
 
         }};
 
@@ -1722,7 +1722,10 @@ void Petrack::keyBindings()
         {{"Ctrl + z", "Undo the last manual action on\ntrajectories (e.g. moving point)"},
          {"Ctrl + Shift + z", "Redo the last action that was reverted\nvia Ctrl + z"},
          {"Shift + t", "toggles tracking online calculation"},
-         {"Ctrl + e", "export trajectories"},
+         {"Shift + r", "toggles recognition"},
+         {"Shift + e", "export trajectories"},
+         {"Shift + a", "toggles \"show only\" or \"show only list\""},
+         {"Arrow up/Arrow down", "change the displayed person\n(if show only people enabled)"},
          {"Ctrl + mouse scroll wheel", "change the displayed person\n(if show only people enabled)"}}};
 
     auto *diag = new KeybindingDialog(this, {general, traj_creation, traj_deletion, video_navigation});
@@ -2497,10 +2500,10 @@ void Petrack::keyPressEvent(QKeyEvent *event)
             mPlayerWidget->frameForward();
             break;
         case Qt::Key_Down:
-            mViewWidget->zoomOut(1);
+            mControlWidget->setTrackShowOnlyNr(mControlWidget->getTrackShowOnlyNr() - 1);
             break;
         case Qt::Key_Up:
-            mViewWidget->zoomIn(1);
+            mControlWidget->setTrackShowOnlyNr(mControlWidget->getTrackShowOnlyNr() + 1);
             break;
         case Qt::Key_Space:
             // space wird von buttons, wenn focus drauf ist als Aktivierung vorher abgegriffen und nicht
diff --git a/src/ui/main-windows/control.cpp b/src/ui/main-windows/control.cpp
index a7c045b19f05c1eb4deecccddf335908e3bdf253..fbb661c276cefd6fdcd1bae141d8a57cf29d8c18 100644
--- a/src/ui/main-windows/control.cpp
+++ b/src/ui/main-windows/control.cpp
@@ -338,6 +338,32 @@ bool Control::isTrackExtrapolationChecked() const
     return mUi->trackExtrapolation->isChecked();
 }
 
+void Control::toggleShowOnly()
+{
+    static bool nrLastToggled = true;
+    if(mUi->trackShowOnly->isChecked())
+    {
+        nrLastToggled = true;
+        mUi->trackShowOnly->toggle();
+        return;
+    }
+    if(mUi->trackShowOnlyList->isChecked())
+    {
+        nrLastToggled = false;
+        mUi->trackShowOnlyList->toggle();
+        return;
+    }
+
+    if(nrLastToggled)
+    {
+        mUi->trackShowOnly->toggle();
+    }
+    else
+    {
+        mUi->trackShowOnlyList->toggle();
+    }
+}
+
 QLineEdit *Control::trackShowOnlyNrList()
 {
     return mUi->trackShowOnlyNrList;
@@ -597,6 +623,11 @@ void Control::setPerformRecognitionChecked(bool checked)
     mUi->performRecognition->setChecked(checked);
 }
 
+void Control::toggleRecognition()
+{
+    mUi->performRecognition->toggle();
+}
+
 void Control::setRecoNumberNow(const QString &val)
 {
     mUi->recoNumberNow->setText(val);
diff --git a/src/ui/main-windows/control.h b/src/ui/main-windows/control.h
index d29a9e0a04ba742722a52055c6f57d3e308ea5a7..93fb4070c765faa6dcecc21989239e5e4b844e3e 100644
--- a/src/ui/main-windows/control.h
+++ b/src/ui/main-windows/control.h
@@ -91,6 +91,7 @@ public:
     bool isTrackMergeChecked() const;
     bool isTrackExtrapolationChecked() const;
 
+    void       toggleShowOnly();
     QLineEdit *trackShowOnlyNrList();
     void       setTrackNumberNow(const QString &val);
     void       setTrackShowOnlyNr(int val);
@@ -145,6 +146,7 @@ public:
 
     bool isPerformRecognitionChecked() const;
     void setPerformRecognitionChecked(bool checked);
+    void toggleRecognition();
     void setRecoNumberNow(const QString &val);
     int  getRecoStep() const;
     bool getRecoRoiShow() const;
@@ -152,6 +154,7 @@ public:
     bool getRecoRoiFix() const;
     void setRecoRoiFix(bool b);
 
+
     reco::RecognitionMethod getRecoMethod() const;
 
     bool getTrackRoiShow() const;