jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * Copyright (c) 2022, the SerenityOS developers.
4 * Copyright (c) 2023, Cameron Youell <cameronyouell@gmail.com>
5 *
6 * SPDX-License-Identifier: BSD-2-Clause
7 */
8
9#include <AK/URL.h>
10#include <AK/Vector.h>
11#include <LibGUI/Painter.h>
12#include <LibGUI/TextBox.h>
13#include <LibGfx/Palette.h>
14#include <LibGfx/TextAttributes.h>
15
16REGISTER_WIDGET(GUI, TextBox)
17REGISTER_WIDGET(GUI, PasswordBox)
18REGISTER_WIDGET(GUI, UrlBox)
19
20namespace GUI {
21
22TextBox::TextBox()
23 : TextEditor(TextEditor::SingleLine)
24{
25 set_min_size({ 40, 22 });
26 set_preferred_size({ SpecialDimension::OpportunisticGrow, 22 });
27}
28
29void TextBox::keydown_event(GUI::KeyEvent& event)
30{
31 TextEditor::keydown_event(event);
32
33 if (event.key() == Key_Up) {
34 if (on_up_pressed)
35 on_up_pressed();
36
37 if (has_no_history() || !can_go_backwards_in_history())
38 return;
39
40 if (m_history_index >= static_cast<int>(m_history.size()))
41 m_saved_input = text();
42
43 m_history_index--;
44 set_text(m_history[m_history_index]);
45 } else if (event.key() == Key_Down) {
46 if (on_down_pressed)
47 on_down_pressed();
48
49 if (has_no_history())
50 return;
51
52 if (can_go_forwards_in_history()) {
53 m_history_index++;
54 set_text(m_history[m_history_index]);
55 } else if (m_history_index < static_cast<int>(m_history.size())) {
56 m_history_index++;
57 set_text(m_saved_input);
58 }
59 }
60}
61
62void TextBox::add_current_text_to_history()
63{
64 if (!m_history_enabled)
65 return;
66
67 auto input = text();
68 if (m_history.is_empty() || m_history.last() != input)
69 add_input_to_history(input);
70 m_history_index = static_cast<int>(m_history.size());
71 m_saved_input = {};
72}
73
74void TextBox::add_input_to_history(DeprecatedString input)
75{
76 m_history.append(move(input));
77 m_history_index++;
78}
79
80constexpr u32 password_box_substitution_code_point = '*';
81
82PasswordBox::PasswordBox()
83 : TextBox()
84{
85 set_substitution_code_point(password_box_substitution_code_point);
86 set_text_is_secret(true);
87 REGISTER_BOOL_PROPERTY("show_reveal_button", is_showing_reveal_button, set_show_reveal_button);
88}
89
90Gfx::IntRect PasswordBox::reveal_password_button_rect() const
91{
92 constexpr i32 button_box_margin = 3;
93 auto button_box_size = height() - button_box_margin - button_box_margin;
94 return { width() - button_box_size - button_box_margin, button_box_margin, button_box_size, button_box_size };
95}
96
97void PasswordBox::paint_event(PaintEvent& event)
98{
99 TextBox::paint_event(event);
100
101 if (is_showing_reveal_button()) {
102 auto button_rect = reveal_password_button_rect();
103
104 Painter painter(*this);
105 painter.add_clip_rect(event.rect());
106
107 auto icon_color = palette().button_text();
108 if (substitution_code_point().has_value())
109 icon_color = palette().disabled_text_front();
110
111 i32 dot_indicator_padding = height() / 5;
112
113 Gfx::IntRect dot_indicator_rect = { button_rect.x() + dot_indicator_padding, button_rect.y() + dot_indicator_padding, button_rect.width() - dot_indicator_padding * 2, button_rect.height() - dot_indicator_padding * 2 };
114 painter.fill_ellipse(dot_indicator_rect, icon_color);
115
116 Gfx::IntPoint arc_start_point { dot_indicator_rect.x() - dot_indicator_padding / 2, dot_indicator_rect.y() + dot_indicator_padding / 2 };
117 Gfx::IntPoint arc_end_point = { dot_indicator_rect.top_right().x() + dot_indicator_padding / 2, dot_indicator_rect.top_right().y() + dot_indicator_padding / 2 };
118 Gfx::IntPoint arc_center_point = { dot_indicator_rect.center().x(), dot_indicator_rect.top() - dot_indicator_padding };
119 painter.draw_quadratic_bezier_curve(arc_center_point, arc_start_point, arc_end_point, icon_color, 1);
120 }
121}
122
123void PasswordBox::mousedown_event(GUI::MouseEvent& event)
124{
125 if (is_showing_reveal_button() && reveal_password_button_rect().contains(event.position())) {
126 Optional<u32> next_substitution_code_point;
127 if (!substitution_code_point().has_value())
128 next_substitution_code_point = password_box_substitution_code_point;
129 set_substitution_code_point(next_substitution_code_point);
130 } else {
131 TextBox::mousedown_event(event);
132 }
133}
134
135UrlBox::UrlBox()
136 : TextBox()
137{
138 set_auto_focusable(false);
139 on_change = [this] {
140 highlight_url();
141 };
142}
143
144void UrlBox::focusout_event(GUI::FocusEvent& event)
145{
146 set_focus_transition(true);
147
148 highlight_url();
149 TextBox::focusout_event(event);
150}
151
152void UrlBox::focusin_event(GUI::FocusEvent& event)
153{
154 highlight_url();
155 TextBox::focusin_event(event);
156}
157
158void UrlBox::mousedown_event(GUI::MouseEvent& event)
159{
160 if (is_displayonly())
161 return;
162
163 if (event.button() != MouseButton::Primary)
164 return;
165
166 if (is_focus_transition()) {
167 TextBox::select_current_line();
168
169 set_focus_transition(false);
170 } else {
171 TextBox::mousedown_event(event);
172 }
173}
174
175void UrlBox::highlight_url()
176{
177 auto url = AK::URL::create_with_url_or_path(text());
178 Vector<GUI::TextDocumentSpan> spans;
179
180 if (url.is_valid() && !is_focused()) {
181 if (url.scheme() == "http" || url.scheme() == "https" || url.scheme() == "gemini") {
182 auto host_start = url.scheme().length() + 3;
183 auto host_length = url.host().length();
184
185 // FIXME: Maybe add a generator to use https://publicsuffix.org/list/public_suffix_list.dat
186 // for now just highlight the whole host
187
188 Gfx::TextAttributes default_format;
189 default_format.color = palette().color(Gfx::ColorRole::PlaceholderText);
190 spans.append({
191 { { 0, 0 }, { 0, host_start } },
192 default_format,
193 });
194
195 Gfx::TextAttributes host_format;
196 host_format.color = palette().color(Gfx::ColorRole::BaseText);
197 spans.append({
198 { { 0, host_start }, { 0, host_start + host_length } },
199 host_format,
200 });
201
202 spans.append({
203 { { 0, host_start + host_length }, { 0, text().length() } },
204 default_format,
205 });
206 } else if (url.scheme() == "file") {
207 Gfx::TextAttributes scheme_format;
208 scheme_format.color = palette().color(Gfx::ColorRole::PlaceholderText);
209 spans.append({
210 { { 0, 0 }, { 0, url.scheme().length() + 3 } },
211 scheme_format,
212 });
213 }
214 }
215
216 document().set_spans(0, move(spans));
217 update();
218}
219
220}