diff --git a/cmake/filelistGuiBase.cmake b/cmake/filelistGuiBase.cmake
index 454cdc265f8..7266d9ffe07 100644
--- a/cmake/filelistGuiBase.cmake
+++ b/cmake/filelistGuiBase.cmake
@@ -36,12 +36,12 @@ set(guibase_headers
     BaseApplication.hpp
     MainWindowInterface.hpp
     RaGuiBase.hpp
-    KeyFrameEditor/KeyFrameEditor.h
-    KeyFrameEditor/KeyFrameEditorFrame.h
-    KeyFrameEditor/KeyFrameEditorFrameScale.h
-    KeyFrameEditor/KeyFrameEditorScrollArea.h
-    KeyFrameEditor/KeyFrameEditorTimeScale.h
-    KeyFrameEditor/KeyFrameEditorValueScale.h
+    KeyFrameEditor/KeyFrameEditor.hpp
+    KeyFrameEditor/KeyFrameEditorFrame.hpp
+    KeyFrameEditor/KeyFrameEditorFrameScale.hpp
+    KeyFrameEditor/KeyFrameEditorScrollArea.hpp
+    KeyFrameEditor/KeyFrameEditorTimeScale.hpp
+    KeyFrameEditor/KeyFrameEditorValueScale.hpp
     SelectionManager/SelectionManager.hpp
     Timeline/HelpDialog.hpp
     Timeline/Configurations.hpp
diff --git a/src/GuiBase/KeyFrameEditor/KeyFrameEditor.cpp b/src/GuiBase/KeyFrameEditor/KeyFrameEditor.cpp
index 6bdf0a35573..505d1b2b238 100644
--- a/src/GuiBase/KeyFrameEditor/KeyFrameEditor.cpp
+++ b/src/GuiBase/KeyFrameEditor/KeyFrameEditor.cpp
@@ -1,6 +1,6 @@
 #include "ui_KeyFrameEditor.h"
-#include <GuiBase/KeyFrameEditor/KeyFrameEditor.h>
-#include <GuiBase/KeyFrameEditor/KeyFrameEditorFrame.h>
+#include <GuiBase/KeyFrameEditor/KeyFrameEditor.hpp>
+#include <GuiBase/KeyFrameEditor/KeyFrameEditorFrame.hpp>
 
 #include <Core/Animation/KeyFramedValue.hpp>
 
diff --git a/src/GuiBase/KeyFrameEditor/KeyFrameEditor.h b/src/GuiBase/KeyFrameEditor/KeyFrameEditor.hpp
similarity index 92%
rename from src/GuiBase/KeyFrameEditor/KeyFrameEditor.h
rename to src/GuiBase/KeyFrameEditor/KeyFrameEditor.hpp
index cd2c205bcd6..a4a51f3f5b2 100644
--- a/src/GuiBase/KeyFrameEditor/KeyFrameEditor.h
+++ b/src/GuiBase/KeyFrameEditor/KeyFrameEditor.hpp
@@ -1,5 +1,4 @@
-#ifndef RADIUMENGINE_KEYFRAME_EDITOR_H
-#define RADIUMENGINE_KEYFRAME_EDITOR_H
+#pragma once
 
 #include <GuiBase/RaGuiBase.hpp>
 
@@ -67,9 +66,7 @@ class RA_GUIBASE_API KeyFrameEditor : public QDialog
     void resizeEvent( QResizeEvent* ev ) override;
 
   private:
-    Ui::KeyFrameEditor* ui;
+    Ui::KeyFrameEditor* ui {nullptr};
 };
 
 } // namespace Ra::GuiBase
-
-#endif // RADIUMENGINE_KEYFRAME_EDITOR_H
diff --git a/src/GuiBase/KeyFrameEditor/KeyFrameEditor.ui b/src/GuiBase/KeyFrameEditor/KeyFrameEditor.ui
index b6dd92ca971..1eebde9c245 100644
--- a/src/GuiBase/KeyFrameEditor/KeyFrameEditor.ui
+++ b/src/GuiBase/KeyFrameEditor/KeyFrameEditor.ui
@@ -1312,31 +1312,31 @@
   <customwidget>
    <class>Ra::GuiBase::KeyFrameEditorFrame</class>
    <extends>QFrame</extends>
-   <header>GuiBase/KeyFrameEditor/KeyFrameEditorFrame.h</header>
+   <header>GuiBase/KeyFrameEditor/KeyFrameEditorFrame.hpp</header>
    <container>1</container>
   </customwidget>
   <customwidget>
    <class>Ra::GuiBase::KeyFrameEditorScrollArea</class>
    <extends>QScrollArea</extends>
-   <header>GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.h</header>
+   <header>GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.hpp</header>
    <container>1</container>
   </customwidget>
   <customwidget>
    <class>Ra::GuiBase::KeyFrameEditorTimeScale</class>
    <extends>QFrame</extends>
-   <header>GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.h</header>
+   <header>GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.hpp</header>
    <container>1</container>
   </customwidget>
   <customwidget>
    <class>Ra::GuiBase::KeyframeEditorValueScale</class>
    <extends>QFrame</extends>
-   <header>GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.h</header>
+   <header>GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.hpp</header>
    <container>1</container>
   </customwidget>
   <customwidget>
    <class>Ra::GuiBase::KeyFrameEditorFrameScale</class>
    <extends>QFrame</extends>
-   <header>GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.h</header>
+   <header>GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.hpp</header>
    <container>1</container>
   </customwidget>
  </customwidgets>
diff --git a/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrame.cpp b/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrame.cpp
index 9169538220c..c9a5778530b 100644
--- a/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrame.cpp
+++ b/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrame.cpp
@@ -1,4 +1,4 @@
-#include <GuiBase/KeyFrameEditor/KeyFrameEditorFrame.h>
+#include <GuiBase/KeyFrameEditor/KeyFrameEditorFrame.hpp>
 
 #include <QCheckBox>
 #include <QPainter>
@@ -15,8 +15,8 @@
 #include <Core/Utils/Color.hpp>
 #include <Core/Utils/Log.hpp>
 
-#include <GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.h>
-#include <GuiBase/Timeline/Configurations.h>
+#include <GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.hpp>
+#include <GuiBase/Timeline/Configurations.hpp>
 #include <ui_KeyFrameEditor.h>
 
 static constexpr int CTRL_PT_RAD = 5;
diff --git a/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrame.h b/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrame.hpp
similarity index 93%
rename from src/GuiBase/KeyFrameEditor/KeyFrameEditorFrame.h
rename to src/GuiBase/KeyFrameEditor/KeyFrameEditorFrame.hpp
index d578bbc8a72..a84689566cf 100644
--- a/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrame.h
+++ b/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrame.hpp
@@ -1,5 +1,4 @@
-#ifndef RADIUMENGINE_KEYFRAME_EDITOR_FRAME_H
-#define RADIUMENGINE_KEYFRAME_EDITOR_FRAME_H
+#pragma once
 
 #include <QDoubleSpinBox>
 #include <QFrame>
@@ -182,17 +181,17 @@ class KeyFrameEditorFrame : public QFrame
 
   private:
     /// The currently edited KeyFramedValue.
-    KeyFrame* m_value{nullptr};
+    KeyFrame* m_value {nullptr};
 
     /// The current time of the Timeline's playzone.
-    Scalar m_cursor;
+    Scalar m_cursor {0_ra};
 
     /// The display state of the KeyFramed value channels.
-    std::array<bool, 10> m_displayCurve =
-        {true, true, true, true, true, true, true, true, true, true};
+    std::array<bool, 10>
+        m_displayCurve {true, true, true, true, true, true, true, true, true, true};
 
     /// Whether the user is editing values or not.
-    bool m_mouseLeftClicked{false};
+    bool m_mouseLeftClicked {false};
 
     /// The type for KeyFramedValue edition control points.
     using CurveControlPoints = std::vector<Ra::Core::Vector2>;
@@ -201,15 +200,13 @@ class KeyFrameEditorFrame : public QFrame
     std::array<CurveControlPoints, 10> m_curveControlPoints;
 
     /// The current control point.
-    Ra::Core::Vector2i m_currentControlPoint{-1, -1};
+    Ra::Core::Vector2i m_currentControlPoint {-1, -1};
 
     /// The QPainter to display all the data.
-    QPainter* m_painter{nullptr};
+    QPainter* m_painter {nullptr};
 
     /// The KeyFrameEditor UI.
-    Ui::KeyFrameEditor* m_ui{nullptr};
+    Ui::KeyFrameEditor* m_ui {nullptr};
 };
 
 } // namespace Ra::GuiBase
-
-#endif // RADIUMENGINE_KEYFRAME_EDITOR_FRAME_H
diff --git a/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.cpp b/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.cpp
index 419c3063900..954af92c331 100644
--- a/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.cpp
+++ b/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.cpp
@@ -1,12 +1,12 @@
-#include <GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.h>
+#include <GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.hpp>
 
 #include <QPainter>
 #include <QScrollBar>
 
-#include <GuiBase/Timeline/Configurations.h>
+#include <GuiBase/Timeline/Configurations.hpp>
 
-#include <GuiBase/KeyFrameEditor/KeyFrameEditorFrame.h>
-#include <GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.h>
+#include <GuiBase/KeyFrameEditor/KeyFrameEditorFrame.hpp>
+#include <GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.hpp>
 
 namespace Ra::GuiBase {
 
diff --git a/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.h b/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.hpp
similarity index 77%
rename from src/GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.h
rename to src/GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.hpp
index fd1c7115278..859ef31c724 100644
--- a/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.h
+++ b/src/GuiBase/KeyFrameEditor/KeyFrameEditorFrameScale.hpp
@@ -1,5 +1,4 @@
-#ifndef RADIUMENGINE_KEYFRAME_EDITOR_FRAMESCALE_H
-#define RADIUMENGINE_KEYFRAME_EDITOR_FRAMESCALE_H
+#pragma once
 
 #include <QFrame>
 
@@ -31,12 +30,10 @@ class KeyFrameEditorFrameScale : public QFrame
 
   private:
     /// The KeyFrameEditorFrame.
-    KeyFrameEditorFrame* m_editorFrame{nullptr};
+    KeyFrameEditorFrame* m_editorFrame {nullptr};
 
     /// The KeyFrameEditorScrollArea.
-    KeyFrameEditorScrollArea* m_scrollArea{nullptr};
+    KeyFrameEditorScrollArea* m_scrollArea {nullptr};
 };
 
 } // namespace Ra::GuiBase
-
-#endif // RADIUMENGINE_KEYFRAME_EDITOR_FRAMESCALE_H
diff --git a/src/GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.cpp b/src/GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.cpp
index 111f7f7db22..c58d80f6f2d 100644
--- a/src/GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.cpp
+++ b/src/GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.cpp
@@ -1,12 +1,12 @@
-#include <GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.h>
+#include <GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.hpp>
 
 #include <cmath>
 
 #include <QScrollBar>
 #include <QWheelEvent>
 
-#include <GuiBase/Timeline/Timeline.h>
-#include <GuiBase/Timeline/TimelineFrameSelector.h>
+#include <GuiBase/Timeline/Timeline.hpp>
+#include <GuiBase/Timeline/TimelineFrameSelector.hpp>
 
 namespace Ra::GuiBase {
 
diff --git a/src/GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.h b/src/GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.hpp
similarity index 62%
rename from src/GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.h
rename to src/GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.hpp
index cfe18c2ecff..b08203cf603 100644
--- a/src/GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.h
+++ b/src/GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.hpp
@@ -1,5 +1,4 @@
-#ifndef RADIUMENGINE_KEYFRAME_EDITOR_SCROLLAREARULER_H
-#define RADIUMENGINE_KEYFRAME_EDITOR_SCROLLAREARULER_H
+#pragma once
 
 #include <QScrollArea>
 
@@ -95,38 +94,36 @@ class KeyFrameEditorScrollArea : public QScrollArea
     int m_sliderPosX; ///< x coordinate of the slider on mouse middle click.
     int m_sliderPosY; ///< y coordinate of the slider on mouse middle click.
 
-    Scalar m_maxTime{200};   ///< <b>end<\b> of the Timeline's playzone.
-    Scalar m_stepTime;       ///< Step between two time scale graduations.
-    int m_nbIntervalTime{0}; ///< Number of time scale graduations.
-    Scalar m_pixPerTime;     ///< Number of pixels used to display 1 second on the scale.
-    Scalar m_zeroTime;       ///< Pixel corresponding to time 0.
+    Scalar m_maxTime {200};   ///< <b>end<\b> of the Timeline's playzone.
+    Scalar m_stepTime {10};   ///< Step between two time scale graduations.
+    int m_nbIntervalTime {0}; ///< Number of time scale graduations.
+    Scalar m_pixPerTime {10}; ///< Number of pixels used to display 1 second on the scale.
+    Scalar m_zeroTime {10};   ///< Pixel corresponding to time 0.
 
-    Scalar m_maxValue{200};   ///< Maximal extent of a KeyFrame value.
-    Scalar m_stepValue;       ///< Step between two value scale graduations.
-    int m_nbIntervalValue{0}; ///< Number of value scale graduations.
-    Scalar
-        m_pixPerValue;  ///< Number of pixels used to display a value difference of 1 on the scale.
-    Scalar m_zeroValue; ///< Pixel corresponding to time 0.
+    Scalar m_maxValue {200};   ///< Maximal extent of a KeyFrame value.
+    Scalar m_stepValue {10};   ///< Step between two value scale graduations.
+    int m_nbIntervalValue {0}; ///< Number of value scale graduations.
+    Scalar m_pixPerValue {
+        10}; ///< Number of pixels used to display a value difference of 1 on the scale.
+    Scalar m_zeroValue {10}; ///< Pixel corresponding to time 0.
 
     /// Number of possible steps.
-    static constexpr int s_nbSteps = 13;
+    static constexpr int s_nbSteps {13};
 
     /// Possible steps.
-    static constexpr Scalar s_steps[s_nbSteps] = {0.01_ra,
-                                                  0.02_ra,
-                                                  0.05_ra,
-                                                  0.1_ra,
-                                                  0.2_ra,
-                                                  0.5_ra,
-                                                  1.0_ra,
-                                                  2.0_ra,
-                                                  5.0_ra,
-                                                  10.0_ra,
-                                                  20.0_ra,
-                                                  50.0_ra,
-                                                  100.0_ra};
+    static constexpr Scalar s_steps[s_nbSteps] {0.01_ra,
+                                                0.02_ra,
+                                                0.05_ra,
+                                                0.1_ra,
+                                                0.2_ra,
+                                                0.5_ra,
+                                                1.0_ra,
+                                                2.0_ra,
+                                                5.0_ra,
+                                                10.0_ra,
+                                                20.0_ra,
+                                                50.0_ra,
+                                                100.0_ra};
 };
 
 } // namespace Ra::GuiBase
-
-#endif // RADIUMENGINE_KEYFRAME_EDITOR_SCROLLAREARULER_H
diff --git a/src/GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.cpp b/src/GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.cpp
index aeacbb5572e..7c1d895c0c1 100644
--- a/src/GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.cpp
+++ b/src/GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.cpp
@@ -1,9 +1,9 @@
-#include <GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.h>
+#include <GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.hpp>
 
 #include <QPainter>
 #include <QScrollBar>
 
-#include <GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.h>
+#include <GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.hpp>
 
 namespace Ra::GuiBase {
 
diff --git a/src/GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.h b/src/GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.hpp
similarity index 77%
rename from src/GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.h
rename to src/GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.hpp
index ca500c5e689..75dc27af40b 100644
--- a/src/GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.h
+++ b/src/GuiBase/KeyFrameEditor/KeyFrameEditorTimeScale.hpp
@@ -1,5 +1,4 @@
-#ifndef RADIUMENGINE_KEY_FRAME_EDITOR_TIMESCALE_H
-#define RADIUMENGINE_KEY_FRAME_EDITOR_TIMESCALE_H
+#pragma once
 
 #include <QFrame>
 
@@ -27,9 +26,7 @@ class KeyFrameEditorTimeScale : public QFrame
 
   private:
     /// The KeyFrameEditorScrollArea.
-    KeyFrameEditorScrollArea* m_scrollArea{nullptr};
+    KeyFrameEditorScrollArea* m_scrollArea {nullptr};
 };
 
 } // namespace Ra::GuiBase
-
-#endif // RADIUMENGINE_KEY_FRAME_EDITOR_TIMESCALE_H
diff --git a/src/GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.cpp b/src/GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.cpp
index 57d4178ff4e..1ce23d03e45 100644
--- a/src/GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.cpp
+++ b/src/GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.cpp
@@ -1,9 +1,9 @@
-#include <GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.h>
+#include <GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.hpp>
 
 #include <QPainter>
 #include <QScrollBar>
 
-#include <GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.h>
+#include <GuiBase/KeyFrameEditor/KeyFrameEditorScrollArea.hpp>
 
 namespace Ra::GuiBase {
 
diff --git a/src/GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.h b/src/GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.hpp
similarity index 77%
rename from src/GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.h
rename to src/GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.hpp
index 27fa5184ba6..0e79522ef2d 100644
--- a/src/GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.h
+++ b/src/GuiBase/KeyFrameEditor/KeyFrameEditorValueScale.hpp
@@ -1,5 +1,4 @@
-#ifndef RADIUMENGINE_KEYFRAME_EDITOR_VALUESCALE_H
-#define RADIUMENGINE_KEYFRAME_EDITOR_VALUESCALE_H
+#pragma once
 
 #include <QFrame>
 
@@ -27,9 +26,7 @@ class KeyframeEditorValueScale : public QFrame
 
   private:
     /// The KeyframeEditorScrollArea.
-    KeyFrameEditorScrollArea* m_scrollArea{nullptr};
+    KeyFrameEditorScrollArea* m_scrollArea {nullptr};
 };
 
 } // namespace Ra::GuiBase
-
-#endif // RADIUMENGINE_KEYFRAME_EDITOR_VALUESCALE_H
diff --git a/src/GuiBase/Timeline/Timeline.cpp b/src/GuiBase/Timeline/Timeline.cpp
index dc86d679bba..e2edff51da5 100644
--- a/src/GuiBase/Timeline/Timeline.cpp
+++ b/src/GuiBase/Timeline/Timeline.cpp
@@ -18,7 +18,7 @@
 #include <Engine/Renderer/RenderObject/RenderObject.hpp>
 #include <Engine/Renderer/RenderObject/RenderObjectManager.hpp>
 
-#include <GuiBase/KeyFrameEditor/KeyFrameEditor.h>
+#include <GuiBase/KeyFrameEditor/KeyFrameEditor.hpp>
 #include <GuiBase/Timeline/HelpDialog.hpp>
 
 using namespace Ra::Core::Utils;
@@ -428,7 +428,8 @@ void Timeline::on_comboBox_attribute_currentIndexChanged( const QString& arg1 )
 
     switch ( names.size() )
     {
-    case 2: {
+    case 2:
+    {
         const std::string entityName = names.at( 0 ).toStdString();
         const std::string frameName  = names.at( 1 ).toStdString();
         auto lambda                  = [entityName]( const auto& frame ) {
@@ -438,7 +439,8 @@ void Timeline::on_comboBox_attribute_currentIndexChanged( const QString& arg1 )
         GET_KEYFRAMEDVALUE( list, frameName );
     }
     break;
-    case 3: {
+    case 3:
+    {
         const std::string compName  = names.at( 1 ).toStdString();
         const std::string frameName = names.at( 2 ).toStdString();
         auto lambda                 = [compName]( const auto& frame ) {
@@ -448,7 +450,8 @@ void Timeline::on_comboBox_attribute_currentIndexChanged( const QString& arg1 )
         GET_KEYFRAMEDVALUE( list, frameName );
     }
     break;
-    case 4: {
+    case 4:
+    {
         const QStringList fullRoName = names.at( 2 ).split( '_' );
         bool ok;
         const auto roIdx = fullRoName.last().toInt( &ok );