LibGUI+PixelPaint: Move virtual destructors out-of-line for Clang 17

Author: https://github.com/BertalanD
Commit: https://github.com/SerenityOS/serenity/commit/8366c9f55a
Pull-request: https://github.com/SerenityOS/serenity/pull/23960
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/DanShaders
Reviewed-by: https://github.com/alimpfard

Userland/Applications/PixelPaint/LayerPropertiesWidget.cpp

@@ -64,6 +64,8 @@ LayerPropertiesWidget::LayerPropertiesWidget()
     };
 }
 
+LayerPropertiesWidget::~LayerPropertiesWidget() = default;
+
 void LayerPropertiesWidget::set_layer(Layer* layer)
 {
     if (m_layer == layer)

Userland/Applications/PixelPaint/LayerPropertiesWidget.h

@@ -17,7 +17,7 @@ class LayerPropertiesWidget final : public GUI::Widget {
     C_OBJECT(LayerPropertiesWidget);
 
 public:
-    virtual ~LayerPropertiesWidget() override = default;
+    virtual ~LayerPropertiesWidget() override;
 
     void set_layer(Layer*);
 

Userland/Applications/PixelPaint/PaletteWidget.cpp

@@ -140,6 +140,8 @@ PaletteWidget::PaletteWidget()
     display_color_list(result.value());
 }
 
+PaletteWidget::~PaletteWidget() = default;
+
 void PaletteWidget::set_image_editor(ImageEditor* editor)
 {
     m_editor = editor;

Userland/Applications/PixelPaint/PaletteWidget.h

@@ -22,7 +22,7 @@ class PaletteWidget final : public GUI::Frame {
     C_OBJECT(PaletteWidget);
 
 public:
-    virtual ~PaletteWidget() override = default;
+    virtual ~PaletteWidget() override;
 
     void set_primary_color(Color);
     void set_secondary_color(Color);

Userland/Applications/PixelPaint/ToolPropertiesWidget.cpp

@@ -26,6 +26,8 @@ ToolPropertiesWidget::ToolPropertiesWidget()
     m_error_label->set_enabled(false);
 }
 
+ToolPropertiesWidget::~ToolPropertiesWidget() = default;
+
 void ToolPropertiesWidget::set_active_tool(Tool* tool)
 {
     if (tool == m_active_tool)

Userland/Applications/PixelPaint/ToolPropertiesWidget.h

@@ -20,7 +20,7 @@ class ToolPropertiesWidget final : public GUI::Widget {
     C_OBJECT(ToolPropertiesWidget);
 
 public:
-    virtual ~ToolPropertiesWidget() override = default;
+    virtual ~ToolPropertiesWidget() override;
 
     void set_active_tool(Tool*);
 

Userland/Libraries/LibGUI/MultiView.cpp

@@ -50,6 +50,8 @@ MultiView::MultiView()
     set_view_mode(ViewMode::Icon);
 }
 
+MultiView::~MultiView() = default;
+
 void MultiView::set_view_mode(ViewMode mode)
 {
     if (m_view_mode == mode)

Userland/Libraries/LibGUI/MultiView.h

@@ -18,7 +18,7 @@ namespace GUI {
 class MultiView final : public GUI::StackWidget {
     C_OBJECT(MultiView)
 public:
-    virtual ~MultiView() override = default;
+    virtual ~MultiView() override;
 
     Function<void()> on_selection_change;
     Function<void(ModelIndex const&)> on_activation;