Use #pragma once everywhere

58 files changed, 58 insertions, 241 deletions

diff --git a/src/widget/controlwidgetconnection.h b/src/widget/controlwidgetconnection.h
index 36b8ef39d1..0b487dedd9 100644
--- a/src/widget/controlwidgetconnection.h
+++ b/src/widget/controlwidgetconnection.h
@@ -1,5 +1,4 @@
-#ifndef CONTROLWIDGETCONNECTION_H
-#define CONTROLWIDGETCONNECTION_H
+#pragma once
 
 #include <QObject>
 #include <QString>
@@ -140,5 +139,3 @@ class ControlWidgetPropertyConnection final : public ControlWidgetConnection {
   private:
     QByteArray m_propertyName;
 };
-
-#endif /* CONTROLWIDGETCONNECTION_H */
diff --git a/src/widget/effectwidgetutils.h b/src/widget/effectwidgetutils.h
index f2fd08c1c7..3d2b2c75a9 100644
--- a/src/widget/effectwidgetutils.h
+++ b/src/widget/effectwidgetutils.h
@@ -1,5 +1,4 @@
-#ifndef EFFECTWIDGETUTILS_H
-#define EFFECTWIDGETUTILS_H
+#pragma once
 
 #include <QDomNode>
 
@@ -121,5 +120,3 @@ class EffectWidgetUtils {
   private:
     EffectWidgetUtils() = default;
 };
-
-#endif /* EFFECTWIDGETUTILS_H */
diff --git a/src/widget/hexspinbox.h b/src/widget/hexspinbox.h
index 36d2df59bc..d440deff32 100644
--- a/src/widget/hexspinbox.h
+++ b/src/widget/hexspinbox.h
@@ -1,5 +1,4 @@
-#ifndef HEXSPINBOX_H
-#define HEXSPINBOX_H
+#pragma once
 
 #include <QSpinBox>
 #include <QValidator>
@@ -13,5 +12,3 @@ class HexSpinBox : public QSpinBox {
     int valueFromText(const QString& text) const override;
     QValidator::State validate(QString& input, int& pos) const override;
 };
-
-#endif /* HEXSPINBOX_H */
diff --git a/src/widget/knobeventhandler.h b/src/widget/knobeventhandler.h
index 27ad2b2e03..bc70d37bd7 100644
--- a/src/widget/knobeventhandler.h
+++ b/src/widget/knobeventhandler.h
@@ -1,5 +1,4 @@
-#ifndef KNOBEVENTHANDLER_H
-#define KNOBEVENTHANDLER_H
+#pragma once
 
 #include <QMouseEvent>
 #include <QWheelEvent>
@@ -110,5 +109,3 @@ class KnobEventHandler {
     QPoint m_startPos;
     QCursor m_blankCursor;
 };
-
-#endif /* KNOBEVENTHANDLER_H */
diff --git a/src/widget/paintable.h b/src/widget/paintable.h
index af36b2b384..3f55343b44 100644
--- a/src/widget/paintable.h
+++ b/src/widget/paintable.h
@@ -1,6 +1,5 @@
 
-#ifndef PAINTABLE_H
-#define PAINTABLE_H
+#pragma once
 
 #include <QPixmap>
 #include <QHash>
@@ -61,5 +60,3 @@ class Paintable {
     DrawMode m_drawMode;
     PixmapSource m_source;
 };
-
-#endif // PAINTABLE
diff --git a/src/widget/slidereventhandler.h b/src/widget/slidereventhandler.h
index aa6a22e62e..a41aef7c6d 100644
--- a/src/widget/slidereventhandler.h
+++ b/src/widget/slidereventhandler.h
@@ -1,5 +1,4 @@
-#ifndef SLIDEREVENTHANDLER_H
-#define SLIDEREVENTHANDLER_H
+#pragma once
 
 #include <QMouseEvent>
 #include <QWheelEvent>
@@ -203,5 +202,3 @@ class SliderEventHandler {
     // Is true if events is emitted while the slider is dragged
     bool m_bEventWhileDrag;
 };
-
-#endif /* SLIDEREVENTHANDLER_H */
diff --git a/src/widget/trackdroptarget.h b/src/widget/trackdroptarget.h
index 664f098bc8..5c61b9279f 100644
--- a/src/widget/trackdroptarget.h
+++ b/src/widget/trackdroptarget.h
@@ -1,6 +1,5 @@
 
-#ifndef TRACKDROPTARGET_H
-#define TRACKDROPTARGET_H
+#pragma once
 
 #include <QString>
 
@@ -18,5 +17,3 @@ signals:
     virtual void trackDropped(QString filename, QString group) = 0;
     virtual void cloneDeck(QString source_group, QString target_group) = 0;
 };
-
-#endif // TRACKDROPTARGET
diff --git a/src/widget/wanalysislibrarytableview.h b/src/widget/wanalysislibrarytableview.h
index c3733b8abb..6e5d22fdc2 100644
--- a/src/widget/wanalysislibrarytableview.h
+++ b/src/widget/wanalysislibrarytableview.h
@@ -1,5 +1,4 @@
-#ifndef WANALYSISLIBRARYTABLEVIEW_H
-#define WANALYSISLIBRARYTABLEVIEW_H
+#pragma once
 
 #include <QWidget>
 
@@ -16,5 +15,3 @@ class WAnalysisLibraryTableView : public WTrackTableView {
 
     void onSearch(const QString& text) override;
 };
-
-#endif
diff --git a/src/widget/wbasewidget.h b/src/widget/wbasewidget.h
index 8b67602903..78923dea6c 100644
--- a/src/widget/wbasewidget.h
+++ b/src/widget/wbasewidget.h
@@ -1,5 +1,4 @@
-#ifndef WBASEWIDGET_H
-#define WBASEWIDGET_H
+#pragma once
 
 #include <QString>
 #include <QWidget>
@@ -100,5 +99,3 @@ class WBaseWidget {
 
     friend class ControlParameterWidgetConnection;
 };
-
-#endif /* WBASEWIDGET_H */
diff --git a/src/widget/wbattery.h b/src/widget/wbattery.h
index c04e33de29..faa78a65b9 100644
--- a/src/widget/wbattery.h
+++ b/src/widget/wbattery.h
@@ -1,5 +1,4 @@
-#ifndef WBATTERY_H
-#define WBATTERY_H
+#pragma once
 
 #include <QList>
 #include <QPixmap>
@@ -40,5 +39,3 @@ class WBattery : public WWidget {
     QVector<PaintablePointer> m_dischargingPixmaps;
     QVector<PaintablePointer> m_chargingPixmaps;
 };
-
-#endif /* WBATTERY_H */
diff --git a/src/widget/wbeatspinbox.h b/src/widget/wbeatspinbox.h
index f78229867a..17560fbf8f 100644
--- a/src/widget/wbeatspinbox.h
+++ b/src/widget/wbeatspinbox.h
@@ -1,5 +1,4 @@
-#ifndef WBEATSPINBOX_H
-#define WBEATSPINBOX_H
+#pragma once
 
 #include "control/controlobject.h"
 #include "control/controlproxy.h"
@@ -55,7 +54,3 @@ class WBeatLineEdit : public QLineEdit {
     bool event(QEvent* pEvent) override;
     double m_scaleFactor;
 };
-
-
-
-#endif
diff --git a/src/widget/wcombobox.h b/src/widget/wcombobox.h
index 930aacb942..b871419a5a 100644
--- a/src/widget/wcombobox.h
+++ b/src/widget/wcombobox.h
@@ -1,5 +1,4 @@
-#ifndef WCOMBOBOX_H
-#define WCOMBOBOX_H
+#pragma once
 
 #include <QComboBox>
 #include <QDomNode>
@@ -23,5 +22,3 @@ class WComboBox : public QComboBox, public WBaseWidget {
   private slots:
     void slotCurrentIndexChanged(int index);
 };
-
-#endif /* WCOMBOBOX_H */
diff --git a/src/widget/wcoverart.h b/src/widget/wcoverart.h
index 3b28624f66..17a1d5351f 100644
--- a/src/widget/wcoverart.h
+++ b/src/widget/wcoverart.h
@@ -1,5 +1,4 @@
-#ifndef WCOVERART_H
-#define WCOVERART_H
+#pragma once
 
 #include <QColor>
 #include <QDomNode>
@@ -76,5 +75,3 @@ class WCoverArt : public QWidget, public WBaseWidget, public TrackDropTarget {
     DlgCoverArtFullSize* m_pDlgFullSize;
     QTimer m_clickTimer;
 };
-
-#endif // WCOVERART_H
diff --git a/src/widget/wcoverartmenu.h b/src/widget/wcoverartmenu.h
index e86c713d4d..a22e3e03d8 100644
--- a/src/widget/wcoverartmenu.h
+++ b/src/widget/wcoverartmenu.h
@@ -1,5 +1,4 @@
-#ifndef WCOVERARTMENU_H
-#define WCOVERARTMENU_H
+#pragma once
 
 #include <QAction>
 #include <QMenu>
@@ -38,5 +37,3 @@ class WCoverArtMenu : public QMenu {
 
     CoverInfo m_coverInfo;
 };
-
-#endif // WCOVERARTMENU_H
diff --git a/src/widget/wdisplay.h b/src/widget/wdisplay.h
index 1e5715429c..609027d224 100644
--- a/src/widget/wdisplay.h
+++ b/src/widget/wdisplay.h
@@ -15,8 +15,7 @@
  *                                                                         *
  ***************************************************************************/
 
-#ifndef WDISPLAY_H
-#define WDISPLAY_H
+#pragma once
 
 #include <QVector>
 #include <QPixmap>
@@ -78,5 +77,3 @@ class WDisplay : public WWidget {
     // List of disabled pixmaps.
     QVector<PaintablePointer> m_disabledPixmaps;
 };
-
-#endif
diff --git a/src/widget/weffect.h b/src/widget/weffect.h
index 6a0e736cec..8334a1cd5f 100644
--- a/src/widget/weffect.h
+++ b/src/widget/weffect.h
@@ -1,5 +1,4 @@
-#ifndef WEFFECT_H
-#define WEFFECT_H
+#pragma once
 
 #include <QDomNode>
 
@@ -26,6 +25,3 @@ class WEffect : public WLabel {
     EffectsManager* m_pEffectsManager;
     EffectSlotPointer m_pEffectSlot;
 };
-
-
-#endif /* WEFFECT_H */
diff --git a/src/widget/weffectbuttonparameter.h b/src/widget/weffectbuttonparameter.h
index 2e6b845a9f..5b204efc8a 100644
--- a/src/widget/weffectbuttonparameter.h
+++ b/src/widget/weffectbuttonparameter.h
@@ -1,5 +1,4 @@
-#ifndef WEFFECTBUTTONPARAMETER_H
-#define WEFFECTBUTTONPARAMETER_H
+#pragma once
 
 #include <QDomNode>
 
@@ -16,6 +15,3 @@ class WEffectButtonParameter : public WEffectParameterBase {
 
     void setup(const QDomNode& node, const SkinContext& context) override;
 };
-
-
-#endif /* WEFFECTBUTTONPARAMETER_H */
diff --git a/src/widget/weffectchain.h b/src/widget/weffectchain.h
index 45b81c8700..2bfa9658c6 100644
--- a/src/widget/weffectchain.h
+++ b/src/widget/weffectchain.h
@@ -1,5 +1,4 @@
-#ifndef WEFFECTCHAIN_H
-#define WEFFECTCHAIN_H
+#pragma once
 
 #include <QWidget>
 #include <QLabel>
@@ -28,5 +27,3 @@ class WEffectChain : public WLabel {
     EffectsManager* m_pEffectsManager;
     EffectChainSlotPointer m_pEffectChainSlot;
 };
-
-#endif /* WEFFECTCHAIN_H */
diff --git a/src/widget/weffectparameter.h b/src/widget/weffectparameter.h
index d7a37ab5e2..1dd8265d62 100644
--- a/src/widget/weffectparameter.h
+++ b/src/widget/weffectparameter.h
@@ -1,5 +1,4 @@
-#ifndef WEFFECTPARAMETER_H
-#define WEFFECTPARAMETER_H
+#pragma once
 
 #include <QDomNode>
 
@@ -16,6 +15,3 @@ class WEffectParameter : public WEffectParameterBase {
 
     void setup(const QDomNode& node, const SkinContext& context) override;
 };
-
-
-#endif /* WEFFECTPARAMETER_H */
diff --git a/src/widget/weffectparameterbase.h b/src/widget/weffectparameterbase.h
index 2b6c9497e2..18acf5e1c5 100644
--- a/src/widget/weffectparameterbase.h
+++ b/src/widget/weffectparameterbase.h
@@ -1,5 +1,4 @@
-#ifndef WEFFECTPARAMETERBASE_H
-#define WEFFECTPARAMETERBASE_H
+#pragma once
 
 #include <QDomNode>
 
@@ -27,5 +26,3 @@ class WEffectParameterBase : public WLabel {
     EffectsManager* m_pEffectsManager;
     EffectParameterSlotBasePointer m_pEffectParameterSlot;
 };
-
-#endif /* WEFFECTPARAMETERBASE_H */
diff --git a/src/widget/weffectparameterknob.h b/src/widget/weffectparameterknob.h
index 6fdeaf8afe..3fa13863d9 100644
--- a/src/widget/weffectparameterknob.h
+++ b/src/widget/weffectparameterknob.h
@@ -1,5 +1,4 @@
-#ifndef WEFFECTKNOB_H
-#define WEFFECTKNOB_H
+#pragma once
 
 #include "widget/wknob.h"
 #include "effects/effectparameterslot.h"
@@ -30,5 +29,3 @@ class WEffectParameterKnob : public WKnob {
     EffectsManager* m_pEffectsManager;
     EffectParameterSlotBasePointer m_pEffectParameterSlot;
 };
-
-#endif // WEFFECTKNOB_H
diff --git a/src/widget/weffectparameterknobcomposed.h b/src/widget/weffectparameterknobcomposed.h
index 4449ffccfe..5131f985b0 100644
--- a/src/widget/weffectparameterknobcomposed.h
+++ b/src/widget/weffectparameterknobcomposed.h
@@ -1,5 +1,4 @@
-#ifndef WEFFECTKNOBCOMPOSED_H
-#define WEFFECTKNOBCOMPOSED_H
+#pragma once
 
 #include "widget/wknobcomposed.h"
 #include "effects/effectparameterslot.h"
@@ -31,5 +30,3 @@ class WEffectParameterKnobComposed : public WKnobComposed {
     EffectsManager* m_pEffectsManager;
     EffectParameterSlotBasePointer m_pEffectParameterSlot;
 };
-
-#endif // WEFFECTKNOBCOMPOSED_H
diff --git a/src/widget/weffectpushbutton.h b/src/widget/weffectpushbutton.h
index 595486f8f0..63f5366a74 100644
--- a/src/widget/weffectpushbutton.h
+++ b/src/widget/weffectpushbutton.h
@@ -1,5 +1,4 @@
-#ifndef WEFFECTPUSHBUTTON_H
-#define WEFFECTPUSHBUTTON_H
+#pragma once
 
 #include <QMenu>
 #include <QAction>
@@ -41,5 +40,3 @@ class WEffectPushButton : public WPushButton {
     EffectParameterSlotBasePointer m_pEffectParameterSlot;
     QMenu* m_pButtonMenu;
 };
-
-#endif // WEFFECTPUSHBUTTON_H
diff --git a/src/widget/weffectselector.h b/src/widget/weffectselector.h
index a9816f62f2..dd358af067 100644
--- a/src/widget/weffectselector.h
+++ b/src/widget/weffectselector.h
@@ -1,5 +1,4 @@
-#ifndef WEFFECTSELECTOR_H
-#define WEFFECTSELECTOR_H
+#pragma once
 
 #include <QDomNode>
 #include <QComboBox>
@@ -31,6 +30,3 @@ class WEffectSelector : public QComboBox, public WBaseWidget {
     EffectRackPointer m_pRack;
     double m_scaleFactor;
 };
-
-
-#endif /* WEFFECTSELECTOR_H */
diff --git a/src/widget/wkey.h b/src/widget/wkey.h
index 6ceba45067..706337ea06 100644
--- a/src/widget/wkey.h
+++ b/src/widget/wkey.h
@@ -1,5 +1,4 @@
-#ifndef WKEY_H
-#define WKEY_H
+#pragma once
 
 #include <QLabel>
 
@@ -26,5 +25,3 @@ class WKey : public WLabel  {
     ControlProxy m_keyNotation;
     ControlProxy m_engineKeyDistance;
 };
-
-#endif /* WKEY_H */
diff --git a/src/widget/wknob.h b/src/widget/wknob.h
index 3e56b4f979..62298cab54 100644
--- a/src/widget/wknob.h
+++ b/src/widget/wknob.h
@@ -1,5 +1,4 @@
-#ifndef WKNOB_H
-#define WKNOB_H
+#pragma once
 
 #include <QPixmap>
 #include <QString>
@@ -33,5 +32,3 @@ class WKnob : public WDisplay {
     KnobEventHandler<WKnob> m_handler;
     friend class KnobEventHandler<WKnob>;
 };
-
-#endif
diff --git a/src/widget/wknobcomposed.h b/src/widget/wknobcomposed.h
index 454fd48b13..b5e2283d42 100644
--- a/src/widget/wknobcomposed.h
+++ b/src/widget/wknobcomposed.h
@@ -1,5 +1,4 @@
-#ifndef WKNOBCOMPOSED_H
-#define WKNOBCOMPOSED_H
+#pragma once
 
 #include <QWidget>
 #include <QPaintEvent>
@@ -67,5 +66,3 @@ class WKnobComposed : public WWidget {
 
     friend class KnobEventHandler<WKnobComposed>;
 };
-
-#endif /* WKNOBCOMPOSED_H */
diff --git a/src/widget/wlabel.h b/src/widget/wlabel.h
index d63ff5b123..bb7aec8181 100644
--- a/src/widget/wlabel.h
+++ b/src/widget/wlabel.h
@@ -15,8 +15,7 @@
  *                                                                         *
  ***************************************************************************/
 
-#ifndef WLABEL_H
-#define WLABEL_H
+#pragma once
 
 #include <QLabel>
 #include <QEvent>
@@ -60,5 +59,3 @@ class WLabel : public QLabel, public WBaseWidget {
     double m_scaleFactor;
     int m_highlight;
 };
-
-#endif
diff --git a/src/widget/wlibrarysidebar.h b/src/widget/wlibrarysidebar.h
index 8539e8a541..b79237dfd0 100644
--- a/src/widget/wlibrarysidebar.h
+++ b/src/widget/wlibrarysidebar.h
@@ -1,5 +1,4 @@
-#ifndef WLIBRARYSIDEBAR_H
-#define WLIBRARYSIDEBAR_H
+#pragma once
 
 #include <QBasicTimer>
 #include <QContextMenuEvent>
@@ -42,5 +41,3 @@ class WLibrarySidebar : public QTreeView, public WBaseWidget {
     QBasicTimer m_expandTimer;
     QModelIndex m_hoverIndex;
 };
-
-#endif /* WLIBRARYSIDEBAR_H */
diff --git a/src/widget/wlibrarytableview.h b/src/widget/wlibrarytableview.h
index 7554053cd2..ae7c77aaf3 100644
--- a/src/widget/wlibrarytableview.h
+++ b/src/widget/wlibrarytableview.h
@@ -1,8 +1,7 @@
 // wlibrarytableview.h
 // Created 10/19/2009 by RJ Ryan (rryan@mit.edu)
 
-#ifndef WLIBRARYTABLEVIEW_H
-#define WLIBRARYTABLEVIEW_H
+#pragma once
 
 #include <QFont>
 #include <QString>
@@ -69,6 +68,3 @@ class WLibraryTableView : public QTableView, public virtual LibraryView {
     // executed
     int m_noSearchVScrollBarPos;
 };
-
-
-#endif /* WLIBRARYTABLEVIEW_H */
diff --git a/src/widget/wlibrarytextbrowser.h b/src/widget/wlibrarytextbrowser.h
index e61c38efa0..e3846c4e56 100644
--- a/src/widget/wlibrarytextbrowser.h
+++ b/src/widget/wlibrarytextbrowser.h
@@ -1,8 +1,7 @@
 // wlibrarytextbrowser.h
 // Created 10/23/2009 by RJ Ryan (rryan@mit.edu)
 
-#ifndef WLIBRARYTEXTBROWSER_H
-#define WLIBRARYTEXTBROWSER_H
+#pragma once
 
 #include <QTextBrowser>
 
@@ -15,5 +14,3 @@ class WLibraryTextBrowser : public QTextBrowser, public LibraryView {
     void onShow() override {}
     bool hasFocus() const override;
 };
-
-#endif /* WLIBRARYTEXTBROWSER_H */
diff --git a/src/widget/wmainmenubar.h b/src/widget/wmainmenubar.h
index 643f386b21..0326bc682e 100644
--- a/src/widget/wmainmenubar.h
+++ b/src/widget/wmainmenubar.h
@@ -1,5 +1,4 @@
-#ifndef WIDGET_WMAINMENUBAR
-#define WIDGET_WMAINMENUBAR
+#pragma once
 
 #include <QAction>
 #include <QList>
@@ -88,5 +87,3 @@ class WMainMenuBar : public QMenuBar {
     QList<QAction*> m_loadToDeckActions;
     QList<QAction*> m_vinylControlEnabledActions;
 };
-
-#endif /* WIDGET_WMAINMENUBAR */
diff --git a/src/widget/wnum