3 files changed, 23 insertions, 4 deletions
diff --git a/Userland/Applications/Magnifier/MagnifierWidget.cpp b/Userland/Applications/Magnifier/MagnifierWidget.cpp
index 66953b1c0d..941fb27d9a 100644
--- a/Userland/Applications/Magnifier/MagnifierWidget.cpp
+++ b/Userland/Applications/Magnifier/MagnifierWidget.cpp
@@ -40,6 +40,14 @@ void MagnifierWidget::show_grid(bool new_value)
     update();
 }
 
+void MagnifierWidget::set_grid_color(Gfx::Color new_color)
+{
+    if (m_grid_color == new_color)
+        return;
+    m_grid_color = new_color;
+    update();
+}
+
 void MagnifierWidget::set_color_filter(OwnPtr<Gfx::ColorBlindnessFilter> color_filter)
 {
     m_color_filter = move(color_filter);
@@ -92,8 +100,6 @@ void MagnifierWidget::paint_event(GUI::PaintEvent& event)
         painter.draw_scaled_bitmap(frame_inner_rect(), *m_grabbed_bitmap, m_grabbed_bitmap->rect(), 1.0, Gfx::Painter::ScalingMode::NearestFractional);
 
     if (m_show_grid) {
-        auto line_color = Color(Color::NamedColor::Magenta);
-        line_color.set_alpha(100);
 
         auto grid_rect = frame_inner_rect();
         if (m_grabbed_bitmap)
@@ -109,10 +115,10 @@ void MagnifierWidget::paint_event(GUI::PaintEvent& event)
             end_x = grid_rect.right();
 
         for (int current_y = start_y; current_y <= end_y; current_y += m_scale_factor)
-            painter.draw_line({ start_x, current_y }, { end_x, current_y }, line_color);
+            painter.draw_line({ start_x, current_y }, { end_x, current_y }, m_grid_color);
 
         for (int current_x = start_y; current_x <= end_x; current_x += m_scale_factor)
-            painter.draw_line({ current_x, start_y }, { current_x, end_y }, line_color);
+            painter.draw_line({ current_x, start_y }, { current_x, end_y }, m_grid_color);
     }
 }
 
diff --git a/Userland/Applications/Magnifier/MagnifierWidget.h b/Userland/Applications/Magnifier/MagnifierWidget.h
index 5cd94ff8ef..452efe376b 100644
--- a/Userland/Applications/Magnifier/MagnifierWidget.h
+++ b/Userland/Applications/Magnifier/MagnifierWidget.h
@@ -22,6 +22,8 @@ public:
     void set_scale_factor(int scale_factor);
     virtual void set_color_filter(OwnPtr<Gfx::ColorBlindnessFilter>) override;
     void show_grid(bool);
+    Gfx::Color grid_color() { return m_grid_color; }
+    void set_grid_color(Gfx::Color);
 
     void pause_capture(bool pause)
     {
@@ -50,4 +52,5 @@ private:
     bool m_pause_capture { false };
     Optional<Gfx::IntPoint> m_locked_location {};
     bool m_show_grid { false };
+    Gfx::Color m_grid_color { 255, 0, 255, 100 };
 };
diff --git a/Userland/Applications/Magnifier/main.cpp b/Userland/Applications/Magnifier/main.cpp
index 10d8758e61..27bce36e19 100644
--- a/Userland/Applications/Magnifier/main.cpp
+++ b/Userland/Applications/Magnifier/main.cpp
@@ -11,6 +11,7 @@
 #include <LibFileSystemAccessClient/Client.h>
 #include <LibGUI/ActionGroup.h>
 #include <LibGUI/Application.h>
+#include <LibGUI/ColorPicker.h>
 #include <LibGUI/Icon.h>
 #include <LibGUI/Menu.h>
 #include <LibGUI/Menubar.h>
@@ -121,6 +122,14 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
             magnifier->show_grid(action.is_checked());
         });
 
+    auto choose_grid_color_action = GUI::Action::create(
+        "Choose Grid &Color", [&](auto& action [[maybe_unused]]) {
+            auto dialog = GUI::ColorPicker::construct(magnifier->grid_color(), window, "Magnifier: choose grid color");
+            dialog->set_color_has_alpha_channel(true);
+            if (dialog->exec() == GUI::Dialog::ExecResult::OK)
+                magnifier->set_grid_color(dialog->color());
+        });
+
     size_action_group->add_action(two_x_action);
     size_action_group->add_action(four_x_action);
     size_action_group->add_action(eight_x_action);
@@ -136,6 +145,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     TRY(view_menu->try_add_action(pause_action));
     TRY(view_menu->try_add_action(lock_location_action));
     TRY(view_menu->try_add_action(show_grid_action));
+    TRY(view_menu->try_add_action(choose_grid_color_action));
 
     auto timeline_menu = TRY(window->try_add_menu("&Timeline"));
     auto previous_frame_action = GUI::Action::create(