Fix compiler nits.

src/ftxui/component/component.cpp

@@ -16,6 +16,7 @@
 #include "ftxui/component/screen_interactive.hpp"  // for Component, ScreenInteractive
 #include "ftxui/dom/elements.hpp"                  // for text, Element
 #include "ftxui/dom/node.hpp"                      // for Node, Elements
+#include "ftxui/screen/box.hpp"                    // for Box
 
 namespace ftxui::animation {
 class Params;

src/ftxui/component/container.cpp

@@ -163,7 +163,7 @@ class VerticalContainer : public ContainerBase {
       return false;
     }
 
-    int old_selected = *selector_;
+    const int old_selected = *selector_;
     if (event.mouse().button == Mouse::WheelUp) {
       MoveSelector(-1);
     }

src/ftxui/component/slider.cpp

@@ -16,7 +16,6 @@
 #include "ftxui/dom/elements.hpp"  // for operator|, text, Element, xflex, hbox, color, underlined, reflect, Decorator, dim, vcenter, focus, nothing, select, yflex, gaugeDirection
 #include "ftxui/screen/box.hpp"    // for Box
 #include "ftxui/screen/color.hpp"  // for Color, Color::GrayDark, Color::White
-#include "ftxui/screen/util.hpp"   // for clamp
 #include "ftxui/util/ref.hpp"      // for ConstRef, Ref, ConstStringRef
 
 namespace ftxui {

src/ftxui/dom/dbox.cpp

@@ -23,7 +23,6 @@ class DBox : public Node {
   void ComputeRequirement() override {
     requirement_ = Requirement{};
     for (auto& child : children_) {
-
       child->ComputeRequirement();
 
       // Propagate the focused requirement.

src/ftxui/dom/flexbox.cpp

@@ -4,6 +4,7 @@
 #include <algorithm>  // for min, max
 #include <cstddef>    // for size_t
 #include <memory>  // for __shared_ptr_access, shared_ptr, allocator_traits<>::value_type, make_shared
+#include <tuple>   // for ignore
 #include <utility>  // for move, swap
 #include <vector>   // for vector
 
@@ -12,6 +13,7 @@
 #include "ftxui/dom/flexbox_helper.hpp"  // for Block, Global, Compute
 #include "ftxui/dom/node.hpp"            // for Node, Elements, Node::Status
 #include "ftxui/dom/requirement.hpp"     // for Requirement
+#include "ftxui/dom/selection.hpp"       // for Selection
 #include "ftxui/screen/box.hpp"          // for Box
 
 namespace ftxui {
@@ -192,8 +194,8 @@ class Flexbox : public Node {
         continue;
       }
 
-      Selection selection_line =
-          IsColumnOriented() ? selection_lines.SaturateHorizontal(box)
+      Selection selection_line = IsColumnOriented()
+                                     ? selection_lines.SaturateHorizontal(box)
                                      : selection_lines.SaturateVertical(box);
 
       for (auto& block : line.blocks) {

src/ftxui/dom/flexbox_helper.hpp

@@ -46,7 +46,6 @@ struct Global {
   int size_y;
 };
 
-
 void Compute(Global& global);
 
 }  // namespace ftxui::flexbox_helper

src/ftxui/dom/hbox.cpp

@@ -11,8 +11,8 @@
 #include "ftxui/dom/elements.hpp"     // for Element, Elements, hbox
 #include "ftxui/dom/node.hpp"         // for Node, Elements
 #include "ftxui/dom/requirement.hpp"  // for Requirement
+#include "ftxui/dom/selection.hpp"    // for Selection
 #include "ftxui/screen/box.hpp"       // for Box
-
 namespace ftxui {
 
 namespace {

src/ftxui/dom/node.cpp

@@ -2,11 +2,13 @@
 // Use of this source code is governed by the MIT license that can be found in
 // the LICENSE file.
 #include <ftxui/screen/box.hpp>  // for Box
+#include <string>
 #include <utility>  // for move
 
+#include <cstddef>
 #include "ftxui/dom/node.hpp"
+#include "ftxui/dom/selection.hpp"  // for Selection
 #include "ftxui/screen/screen.hpp"  // for Screen
-#include "ftxui/screen/util.hpp"    // for clamp
 
 namespace ftxui {
 

src/ftxui/dom/paragraph.cpp

@@ -1,6 +1,7 @@
 // Copyright 2020 Arthur Sonzogni. All rights reserved.
 // Use of this source code is governed by the MIT license that can be found in
 // the LICENSE file.
+#include <functional>  // for function
 #include <sstream>     // for basic_istream, stringstream
 #include <string>      // for string, allocator, getline
 #include <utility>     // for move
@@ -22,7 +23,7 @@ Elements Split(const std::string& the_text) {
 }
 
 Element Split(const std::string& paragraph,
-              std::function<Element(std::string)> f) {
+              const std::function<Element(std::string)>& f) {
   Elements output;
   std::stringstream ss(paragraph);
   std::string line;

src/ftxui/dom/selection.cpp

@@ -4,8 +4,9 @@
 
 #include "ftxui/dom/selection.hpp"  // for Selection
 #include <algorithm>                // for max, min
+#include <string>                   // for string
+#include <tuple>                    // for ignore
 
-#include "ftxui/dom/elements.hpp"        // for Element, inverted
 #include "ftxui/dom/node_decorator.hpp"  // for NodeDecorator
 
 namespace ftxui {
@@ -15,14 +16,15 @@ class Unselectable : public NodeDecorator {
  public:
   using NodeDecorator::NodeDecorator;
 
-  void Select(Selection&) override {
+  void Select(Selection& ignored) override {
+    std::ignore = ignored;
     // Overwrite the select method to do nothing.
   }
 };
 }  // namespace
 
 /// @brief Create an empty selection.
-Selection::Selection() : empty_(true) {}
+Selection::Selection() = default;
 
 /// @brief Create a selection.
 /// @param start_x The x coordinate of the start of the selection.
@@ -99,7 +101,9 @@ Selection Selection::SaturateHorizontal(Box box) {
       end_y = box.y_min;
     }
   }
-  return Selection(start_x, start_y, end_x, end_y, parent_);
+  return {
+      start_x, start_y, end_x, end_y, parent_,
+  };
 }
 
 /// @brief Saturate the selection to be inside the box.
@@ -136,12 +140,13 @@ Selection Selection::SaturateVertical(Box box) {
       end_y = box.y_min;
     }
   }
-  return Selection(start_x, start_y, end_x, end_y, parent_);
+  return {start_x, start_y, end_x, end_y, parent_};
 }
 
 void Selection::AddPart(const std::string& part, int y, int left, int right) {
   if (parent_ != this) {
-    return parent_->AddPart(part, y, left, right);
+    parent_->AddPart(part, y, left, right);
+    return;
   }
   [&] {
     if (parts_.str().empty()) {

src/ftxui/dom/selection_style.cpp

@@ -1,14 +1,15 @@
 // Copyright 2024 Arthur Sonzogni. All rights reserved.
 // Use of this source code is governed by the MIT license that can be found in
 // the LICENSE file.
+#include <functional>  // for function
 #include <memory>      // for make_shared
 #include <utility>     // for move
 
 #include "ftxui/dom/elements.hpp"  // for Element, Decorator, bgcolor, color
 #include "ftxui/dom/node_decorator.hpp"  // for NodeDecorator
-#include "ftxui/screen/box.hpp"          // for Box
 #include "ftxui/screen/color.hpp"        // for Color
-#include "ftxui/screen/screen.hpp"       // for Pixel, Screen
+#include "ftxui/screen/pixel.hpp"        // for Pixel
+#include "ftxui/screen/screen.hpp"       // for Screen
 
 namespace ftxui {
 
@@ -16,7 +17,8 @@ namespace {
 
 class SelectionStyleReset : public NodeDecorator {
  public:
-  SelectionStyleReset(Element child) : NodeDecorator(std::move(child)) {}
+  explicit SelectionStyleReset(Element child)
+      : NodeDecorator(std::move(child)) {}
 
   void Render(Screen& screen) final {
     auto old_style = screen.GetSelectionStyle();
@@ -28,7 +30,7 @@ class SelectionStyleReset : public NodeDecorator {
 
 class SelectionStyle : public NodeDecorator {
  public:
-  SelectionStyle(Element child, std::function<void(Pixel&)> style)
+  SelectionStyle(Element child, const std::function<void(Pixel&)>& style)
       : NodeDecorator(std::move(child)), style_(style) {}
 
   void Render(Screen& screen) final {
@@ -80,6 +82,7 @@ Decorator selectionColor(Color foreground) {
 /// @brief Set the style of an element when selected.
 /// @param style The style to be applied.
 /// Note that the style is applied on top of the existing style.
+// NOLINTNEXTLINE
 Decorator selectionStyle(std::function<void(Pixel&)> style) {
   return [style](Element child) -> Element {
     return std::make_shared<SelectionStyle>(std::move(child), style);

src/ftxui/dom/table.cpp

@@ -4,6 +4,7 @@
 #include "ftxui/dom/table.hpp"
 
 #include <algorithm>         // for max
+#include <initializer_list>  // for initializer_list
 #include <memory>   // for allocator, shared_ptr, allocator_traits<>::value_type
 #include <utility>  // for move, swap
 #include <vector>   // for vector

src/ftxui/dom/text.cpp

@@ -11,6 +11,7 @@
 #include "ftxui/dom/elements.hpp"     // for Element, text, vtext
 #include "ftxui/dom/node.hpp"         // for Node
 #include "ftxui/dom/requirement.hpp"  // for Requirement
+#include "ftxui/dom/selection.hpp"    // for Selection
 #include "ftxui/screen/box.hpp"       // for Box
 #include "ftxui/screen/screen.hpp"    // for Pixel, Screen
 #include "ftxui/screen/string.hpp"  // for string_width, Utf8ToGlyphs, to_string
@@ -35,7 +36,7 @@ class Text : public Node {
       return;
     }
 
-    Selection selection_saturated = selection.SaturateHorizontal(box_);
+    const Selection selection_saturated = selection.SaturateHorizontal(box_);
 
     has_selection = true;
     selection_start_ = selection_saturated.GetBox().x_min;

src/ftxui/dom/vbox.cpp

@@ -11,6 +11,7 @@
 #include "ftxui/dom/elements.hpp"     // for Element, Elements, vbox
 #include "ftxui/dom/node.hpp"         // for Node, Elements
 #include "ftxui/dom/requirement.hpp"  // for Requirement
+#include "ftxui/dom/selection.hpp"    // for Selection
 #include "ftxui/screen/box.hpp"       // for Box
 
 namespace ftxui {

src/ftxui/screen/screen.cpp

@@ -553,7 +553,7 @@ const Screen::SelectionStyle& Screen::GetSelectionStyle() const {
 /// @brief Set the current selection style.
 /// @see GetSelectionStyle
 void Screen::SetSelectionStyle(SelectionStyle decorator) {
-  selection_style_ = decorator;
+  selection_style_ = std::move(decorator);
 }
 
 }  // namespace ftxui