Piano: Rename KnobsWidget to TrackControlsWidget

This more generic name will better reflect the purpose of the widget in
the future, as this commit begins the long process of enhancing the
widget into a container for all controls of Piano's currently selected
track.

Userland/Applications/Piano/CMakeLists.txt

@@ -11,12 +11,12 @@ set(SOURCES
     AudioPlayerLoop.cpp
     ExportProgressWindow.cpp
     KeysWidget.cpp
-    KnobsWidget.cpp
     main.cpp
     MainWidget.cpp
     PlayerWidget.cpp
     RollWidget.cpp
     SamplerWidget.cpp
+    TrackControlsWidget.cpp
     TrackManager.cpp
     WaveWidget.cpp
     ProcessorParameterWidget/ParameterWidget.cpp

Userland/Applications/Piano/MainWidget.cpp

@@ -8,10 +8,10 @@
 
 #include "MainWidget.h"
 #include "KeysWidget.h"
-#include "KnobsWidget.h"
 #include "PlayerWidget.h"
 #include "RollWidget.h"
 #include "SamplerWidget.h"
+#include "TrackControlsWidget.h"
 #include "TrackManager.h"
 #include "WaveWidget.h"
 #include <LibGUI/Action.h>
@@ -55,7 +55,7 @@ ErrorOr<void> MainWidget::initialize()
 
     m_keys_widget = TRY(m_keys_and_knobs_container->try_add<KeysWidget>(m_track_manager.keyboard()));
 
-    m_knobs_widget = TRY(m_keys_and_knobs_container->try_add<KnobsWidget>(m_track_manager, *this));
+    m_knobs_widget = TRY(m_keys_and_knobs_container->try_add<TrackControlsWidget>(m_track_manager, *this));
 
     m_roll_widget->set_keys_widget(m_keys_widget);
 

Userland/Applications/Piano/MainWidget.h

@@ -19,7 +19,7 @@ class WaveWidget;
 class RollWidget;
 class SamplerWidget;
 class KeysWidget;
-class KnobsWidget;
+class TrackControlsWidget;
 class PlayerWidget;
 
 class MainWidget final : public GUI::Widget {
@@ -57,7 +57,7 @@ private:
     RefPtr<GUI::TabWidget> m_tab_widget;
     RefPtr<GUI::Widget> m_keys_and_knobs_container;
     RefPtr<KeysWidget> m_keys_widget;
-    RefPtr<KnobsWidget> m_knobs_widget;
+    RefPtr<TrackControlsWidget> m_knobs_widget;
     RefPtr<PlayerWidget> m_player_widget;
 
     // Not the piano keys, but the computer keyboard keys!

Userland/Applications/Piano/TrackControlsWidget.cpp

@@ -6,7 +6,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include "KnobsWidget.h"
+#include "TrackControlsWidget.h"
 #include "MainWidget.h"
 #include "ProcessorParameterWidget/ParameterWidget.h"
 #include "TrackManager.h"
@@ -16,7 +16,7 @@
 #include <LibGUI/Slider.h>
 #include <LibGfx/Orientation.h>
 
-KnobsWidget::KnobsWidget(TrackManager& track_manager, MainWidget& main_widget)
+TrackControlsWidget::TrackControlsWidget(TrackManager& track_manager, MainWidget& main_widget)
     : m_track_manager(track_manager)
     , m_main_widget(main_widget)
 {
@@ -52,7 +52,7 @@ KnobsWidget::KnobsWidget(TrackManager& track_manager, MainWidget& main_widget)
         m_parameter_widgets.append(add<ProcessorParameterWidget>(parameter));
 }
 
-void KnobsWidget::update_knobs()
+void TrackControlsWidget::update_knobs()
 {
     // FIXME: This is needed because when the slider is changed normally, we
     // need to change the underlying value, but if the keyboard was used, we

Userland/Applications/Piano/TrackControlsWidget.h

@@ -19,15 +19,15 @@
 class TrackManager;
 class MainWidget;
 
-class KnobsWidget final : public GUI::Frame {
+class TrackControlsWidget final : public GUI::Frame {
-    C_OBJECT(KnobsWidget)
+    C_OBJECT(TrackControlsWidget)
 public:
-    virtual ~KnobsWidget() override = default;
+    virtual ~TrackControlsWidget() override = default;
 
     void update_knobs();
 
 private:
-    KnobsWidget(TrackManager&, MainWidget&);
+    TrackControlsWidget(TrackManager&, MainWidget&);
 
     TrackManager& m_track_manager;
     MainWidget& m_main_widget;