From a00fa793b37550a8b44122192346eeeb1d692bf9 Mon Sep 17 00:00:00 2001
From: Jannis Weis <31143295+weisJ@users.noreply.github.com>
Date: Sun, 21 Aug 2022 21:24:29 +0200
Subject: [PATCH] LibGUI: Add on_segment_change handler to Breadcrumbbar

This allows programs to respond to any selection changes of the
Breadcrumbbar, not just ones made by clicking one of the buttons.
---
 Userland/Libraries/LibGUI/Breadcrumbbar.cpp | 2 ++
 Userland/Libraries/LibGUI/Breadcrumbbar.h   | 1 +
 2 files changed, 3 insertions(+)

diff --git a/Userland/Libraries/LibGUI/Breadcrumbbar.cpp b/Userland/Libraries/LibGUI/Breadcrumbbar.cpp
index dfec0624ec..57366b6e63 100644
--- a/Userland/Libraries/LibGUI/Breadcrumbbar.cpp
+++ b/Userland/Libraries/LibGUI/Breadcrumbbar.cpp
@@ -146,6 +146,8 @@ void Breadcrumbbar::set_selected_segment(Optional<size_t> index)
     auto& segment = m_segments[index.value()];
     VERIFY(segment.button);
     segment.button->set_checked(true);
+    if (on_segment_change)
+        on_segment_change(index);
     relayout();
 }
 
diff --git a/Userland/Libraries/LibGUI/Breadcrumbbar.h b/Userland/Libraries/LibGUI/Breadcrumbbar.h
index 93515eada3..0f403b5332 100644
--- a/Userland/Libraries/LibGUI/Breadcrumbbar.h
+++ b/Userland/Libraries/LibGUI/Breadcrumbbar.h
@@ -29,6 +29,7 @@ public:
     void set_selected_segment(Optional<size_t> index);
     Optional<size_t> selected_segment() const { return m_selected_segment; }
 
+    Function<void(Optional<size_t> index)> on_segment_change;
     Function<void(size_t index)> on_segment_click;
     Function<void(size_t index, DropEvent&)> on_segment_drop;
     Function<void(size_t index, DragEvent&)> on_segment_drag_enter;