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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#pragma once
8
9#include <LibGUI/AbstractView.h>
10#include <LibGUI/Frame.h>
11#include <LibGUI/Model.h>
12
13namespace GUI {
14
15class ComboBoxEditor;
16
17class ComboBox : public Frame {
18 C_OBJECT(ComboBox);
19
20public:
21 virtual ~ComboBox() override;
22
23 DeprecatedString text() const;
24 void set_text(DeprecatedString const&, AllowCallback = AllowCallback::Yes);
25
26 void open();
27 void close();
28 void select_all();
29
30 Model* model();
31 Model const* model() const;
32 void set_model(NonnullRefPtr<Model>);
33
34 size_t selected_index() const;
35 void set_selected_index(size_t index, AllowCallback = AllowCallback::Yes);
36 void clear_selection();
37
38 bool only_allow_values_from_model() const { return m_only_allow_values_from_model; }
39 void set_only_allow_values_from_model(bool);
40
41 int model_column() const;
42 void set_model_column(int);
43
44 void set_editor_placeholder(StringView placeholder);
45 DeprecatedString const& editor_placeholder() const;
46
47 int max_visible_items() const { return m_max_visible_items; }
48 void set_max_visible_items(int max) { m_max_visible_items = max; }
49
50 Function<void(DeprecatedString const&, ModelIndex const&)> on_change;
51 Function<void()> on_return_pressed;
52
53protected:
54 ComboBox();
55 virtual void resize_event(ResizeEvent&) override;
56
57private:
58 void selection_updated(ModelIndex const&);
59 void navigate(AbstractView::CursorMovement);
60 void navigate_relative(int);
61
62 RefPtr<ComboBoxEditor> m_editor;
63 RefPtr<Button> m_open_button;
64 RefPtr<Window> m_list_window;
65 RefPtr<ListView> m_list_view;
66 Optional<ModelIndex> m_selected_index;
67 bool m_only_allow_values_from_model { false };
68 bool m_updating_model { false };
69 int m_max_visible_items { 15 };
70};
71
72}