summaryrefslogtreecommitdiff
path: root/Userland/Libraries/LibGUI/TextBox.cpp
blob: d781adfa63162f561a5766e6c1e5f6ed5e2c06f5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 * Copyright (c) 2022, the SerenityOS developers.
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include <LibGUI/Painter.h>
#include <LibGUI/TextBox.h>
#include <LibGfx/Palette.h>

REGISTER_WIDGET(GUI, TextBox)
REGISTER_WIDGET(GUI, PasswordBox)
REGISTER_WIDGET(GUI, UrlBox)

namespace GUI {

TextBox::TextBox()
    : TextEditor(TextEditor::SingleLine)
{
    set_min_size({ 40, 22 });
    set_preferred_size({ SpecialDimension::OpportunisticGrow, 22 });
}

void TextBox::keydown_event(GUI::KeyEvent& event)
{
    TextEditor::keydown_event(event);

    if (event.key() == Key_Up) {
        if (on_up_pressed)
            on_up_pressed();

        if (has_no_history() || !can_go_backwards_in_history())
            return;

        if (m_history_index >= static_cast<int>(m_history.size()))
            m_saved_input = text();

        m_history_index--;
        set_text(m_history[m_history_index]);
    } else if (event.key() == Key_Down) {
        if (on_down_pressed)
            on_down_pressed();

        if (has_no_history())
            return;

        if (can_go_forwards_in_history()) {
            m_history_index++;
            set_text(m_history[m_history_index]);
        } else if (m_history_index < static_cast<int>(m_history.size())) {
            m_history_index++;
            set_text(m_saved_input);
        }
    }
}

void TextBox::add_current_text_to_history()
{
    if (!m_history_enabled)
        return;

    auto input = text();
    if (m_history.is_empty() || m_history.last() != input)
        add_input_to_history(input);
    m_history_index = static_cast<int>(m_history.size());
    m_saved_input = {};
}

void TextBox::add_input_to_history(String input)
{
    m_history.append(move(input));
    m_history_index++;
}

constexpr u32 password_box_substitution_code_point = '*';

PasswordBox::PasswordBox()
    : TextBox()
{
    set_substitution_code_point(password_box_substitution_code_point);
    set_text_is_secret(true);
    REGISTER_BOOL_PROPERTY("show_reveal_button", is_showing_reveal_button, set_show_reveal_button);
}

Gfx::IntRect PasswordBox::reveal_password_button_rect() const
{
    constexpr i32 button_box_margin = 3;
    auto button_box_size = height() - button_box_margin - button_box_margin;
    return { width() - button_box_size - button_box_margin, button_box_margin, button_box_size, button_box_size };
}

void PasswordBox::paint_event(PaintEvent& event)
{
    TextBox::paint_event(event);

    if (is_showing_reveal_button()) {
        auto button_rect = reveal_password_button_rect();

        Painter painter(*this);
        painter.add_clip_rect(event.rect());

        auto icon_color = palette().button_text();
        if (substitution_code_point().has_value())
            icon_color = palette().disabled_text_front();

        i32 dot_indicator_padding = height() / 5;

        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 };
        painter.fill_ellipse(dot_indicator_rect, icon_color);

        Gfx::IntPoint arc_start_point { dot_indicator_rect.x() - dot_indicator_padding / 2, dot_indicator_rect.y() + dot_indicator_padding / 2 };
        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 };
        Gfx::IntPoint arc_center_point = { dot_indicator_rect.center().x(), dot_indicator_rect.top() - dot_indicator_padding };
        painter.draw_quadratic_bezier_curve(arc_center_point, arc_start_point, arc_end_point, icon_color, 1);
    }
}

void PasswordBox::mousedown_event(GUI::MouseEvent& event)
{
    if (is_showing_reveal_button() && reveal_password_button_rect().contains(event.position())) {
        Optional<u32> next_substitution_code_point;
        if (!substitution_code_point().has_value())
            next_substitution_code_point = password_box_substitution_code_point;
        set_substitution_code_point(next_substitution_code_point);
    } else {
        TextBox::mousedown_event(event);
    }
}

UrlBox::UrlBox()
    : TextBox()
{
    set_auto_focusable(false);
}

void UrlBox::focusout_event(GUI::FocusEvent& event)
{
    set_focus_transition(true);

    TextBox::focusout_event(event);
}

void UrlBox::mousedown_event(GUI::MouseEvent& event)
{
    if (is_displayonly())
        return;

    if (event.button() != MouseButton::Primary)
        return;

    if (is_focus_transition()) {
        TextBox::select_current_line();

        set_focus_transition(false);
    } else {
        TextBox::mousedown_event(event);
    }
}

}