Make previous/next/add keyframe shortcuts work on compositions and mixes

src/assets/assetpanel.cpp

@@ -490,6 +490,10 @@ void AssetPanel::slotAddRemoveKeyframe()
 {
     if (m_effectStackWidget->isVisible()) {
         m_effectStackWidget->addRemoveKeyframe();
+    } else if (m_transitionWidget->isVisible()) {
+        m_transitionWidget->addRemoveKeyframe();
+    } else if (m_mixWidget->isVisible()) {
+        m_mixWidget->addRemoveKeyframe();
     }
 }
 
@@ -497,6 +501,10 @@ void AssetPanel::slotNextKeyframe()
 {
     if (m_effectStackWidget->isVisible()) {
         m_effectStackWidget->slotGoToKeyframe(true);
+    } else if (m_transitionWidget->isVisible()) {
+        m_transitionWidget->nextKeyframe();
+    } else if (m_mixWidget->isVisible()) {
+        m_mixWidget->nextKeyframe();
     }
 }
 
@@ -504,5 +512,9 @@ void AssetPanel::slotPreviousKeyframe()
 {
     if (m_effectStackWidget->isVisible()) {
         m_effectStackWidget->slotGoToKeyframe(false);
+    } else if (m_transitionWidget->isVisible()) {
+        m_transitionWidget->previousKeyframe();
+    } else if (m_mixWidget->isVisible()) {
+        m_mixWidget->previousKeyframe();
     }
 }

src/assets/view/widgets/keyframewidget.cpp

@@ -30,7 +30,6 @@
 #include "monitor/monitor.h"
 #include "timecode.h"
 #include "timecodedisplay.h"
-#include "mainwindow.h"
 #include "widgets/doublewidget.h"
 #include "widgets/geometrywidget.h"