implemented new audio monitor widget

app/panel/CMakeLists.txt

@@ -14,6 +14,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+add_subdirectory(audiomonitor)
 add_subdirectory(node)
 add_subdirectory(param)
 add_subdirectory(project)

app/panel/audiomonitor/CMakeLists.txt

@@ -0,0 +1,22 @@
+# Olive - Non-Linear Video Editor
+# Copyright (C) 2019 Olive Team
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+set(OLIVE_SOURCES
+  ${OLIVE_SOURCES}
+  panel/audiomonitor/audiomonitor.h
+  panel/audiomonitor/audiomonitor.cpp
+  PARENT_SCOPE
+)

app/panel/audiomonitor/audiomonitor.cpp

@@ -0,0 +1,27 @@
+#include "audiomonitor.h"
+
+AudioMonitorPanel::AudioMonitorPanel(QWidget *parent) :
+  PanelWidget(parent)
+{
+  // FIXME: This won't work if there's ever more than one of this panel
+  setObjectName("AudioMonitor");
+
+  audio_monitor_ = new AudioMonitor(this);
+
+  setWidget(audio_monitor_);
+
+  Retranslate();
+}
+
+void AudioMonitorPanel::changeEvent(QEvent *e)
+{
+  if (e->type() == QEvent::LanguageChange) {
+    Retranslate();
+  }
+  PanelWidget::changeEvent(e);
+}
+
+void AudioMonitorPanel::Retranslate()
+{
+  SetTitle(tr("Audio Monitor"));
+}

app/panel/audiomonitor/audiomonitor.h

@@ -0,0 +1,24 @@
+#ifndef AUDIOMONITORPANEL_H
+#define AUDIOMONITORPANEL_H
+
+#include "widget/audiomonitor/audiomonitor.h"
+#include "widget/panel/panel.h"
+
+/**
+ * @brief PanelWidget wrapper around an AudioMonitor
+ */
+class AudioMonitorPanel : public PanelWidget
+{
+public:
+  AudioMonitorPanel(QWidget* parent = nullptr);
+
+protected:
+  virtual void changeEvent(QEvent* e) override;
+
+private:
+  void Retranslate();
+
+  AudioMonitor* audio_monitor_;
+};
+
+#endif // AUDIOMONITORPANEL_H

app/panel/node/node.cpp

@@ -49,7 +49,7 @@ void NodePanel::changeEvent(QEvent *e)
   if (e->type() == QEvent::LanguageChange) {
     Retranslate();
   }
-  QDockWidget::changeEvent(e);
+  PanelWidget::changeEvent(e);
 }
 
 void NodePanel::Retranslate()

app/panel/param/param.cpp

@@ -45,7 +45,7 @@ void ParamPanel::changeEvent(QEvent *e)
   if (e->type() == QEvent::LanguageChange) {
     Retranslate();
   }
-  QDockWidget::changeEvent(e);
+  PanelWidget::changeEvent(e);
 }
 
 void ParamPanel::Retranslate()

app/panel/project/project.cpp

@@ -102,7 +102,7 @@ void ProjectPanel::changeEvent(QEvent *e)
   if (e->type() == QEvent::LanguageChange) {
     Retranslate();
   }
-  QDockWidget::changeEvent(e);
+  PanelWidget::changeEvent(e);
 }
 
 void ProjectPanel::Retranslate()

app/panel/taskmanager/taskmanager.cpp

@@ -46,7 +46,7 @@ void TaskManagerPanel::changeEvent(QEvent *e)
   if (e->type() == QEvent::LanguageChange) {
     Retranslate();
   }
-  QDockWidget::changeEvent(e);
+  PanelWidget::changeEvent(e);
 }
 
 void TaskManagerPanel::Retranslate()

app/panel/timeline/timeline.cpp

@@ -114,7 +114,7 @@ void TimelinePanel::changeEvent(QEvent *e)
   if (e->type() == QEvent::LanguageChange) {
     Retranslate();
   }
-  QDockWidget::changeEvent(e);
+  PanelWidget::changeEvent(e);
 }
 
 void TimelinePanel::Retranslate()

app/panel/tool/tool.cpp

@@ -50,7 +50,7 @@ void ToolPanel::changeEvent(QEvent *e)
   if (e->type() == QEvent::LanguageChange) {
     Retranslate();
   }
-  QDockWidget::changeEvent(e);
+  PanelWidget::changeEvent(e);
 }
 
 void ToolPanel::Retranslate()

app/panel/viewer/viewer.cpp

@@ -122,7 +122,7 @@ void ViewerPanel::changeEvent(QEvent *e)
   if (e->type() == QEvent::LanguageChange) {
     Retranslate();
   }
-  QDockWidget::changeEvent(e);
+  PanelWidget::changeEvent(e);
 }
 
 void ViewerPanel::Retranslate()