ladybird/Userland/Libraries/LibGUI/Breadcrumbbar.h
Jannis Weis a00fa793b3 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.
2022-08-22 12:48:11 +02:00

58 lines
1.6 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGUI/Widget.h>
namespace GUI {
class Breadcrumbbar : public GUI::Widget {
C_OBJECT(Breadcrumbbar);
public:
virtual ~Breadcrumbbar() override = default;
void clear_segments();
void append_segment(String text, Gfx::Bitmap const* icon = nullptr, String data = {}, String tooltip = {});
void remove_end_segments(size_t segment_index);
void relayout();
size_t segment_count() const { return m_segments.size(); }
String segment_data(size_t index) const { return m_segments[index].data; }
Optional<size_t> find_segment_with_data(String const& data);
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;
Function<void(MouseEvent& event)> on_doubleclick;
private:
Breadcrumbbar();
virtual void resize_event(ResizeEvent&) override;
struct Segment {
RefPtr<const Gfx::Bitmap> icon;
String text;
String data;
int width { 0 };
int shrunken_width { 0 };
WeakPtr<GUI::Button> button;
};
Vector<Segment> m_segments;
Optional<size_t> m_selected_segment;
virtual void doubleclick_event(GUI::MouseEvent&) override;
};
}