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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
* Copyright (c) 2023, Cameron Youell <cameronyouell@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/URL.h>
#include <AK/Vector.h>
#include <LibGUI/Painter.h>
#include <LibGUI/TextBox.h>
#include <LibGfx/Palette.h>
#include <LibGfx/TextAttributes.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(DeprecatedString 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);
on_change = [this] {
highlight_url();
};
}
void UrlBox::focusout_event(GUI::FocusEvent& event)
{
set_focus_transition(true);
highlight_url();
TextBox::focusout_event(event);
}
void UrlBox::focusin_event(GUI::FocusEvent& event)
{
highlight_url();
TextBox::focusin_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);
}
}
void UrlBox::highlight_url()
{
auto url = AK::URL::create_with_url_or_path(text());
Vector<GUI::TextDocumentSpan> spans;
if (url.is_valid() && !is_focused()) {
if (url.scheme() == "http" || url.scheme() == "https" || url.scheme() == "gemini") {
auto host_start = url.scheme().length() + 3;
auto host_length = url.host().length();
// FIXME: Maybe add a generator to use https://publicsuffix.org/list/public_suffix_list.dat
// for now just highlight the whole host
Gfx::TextAttributes default_format;
default_format.color = palette().color(Gfx::ColorRole::PlaceholderText);
spans.append({
{ { 0, 0 }, { 0, host_start } },
default_format,
});
Gfx::TextAttributes host_format;
host_format.color = palette().color(Gfx::ColorRole::BaseText);
spans.append({
{ { 0, host_start }, { 0, host_start + host_length } },
host_format,
});
spans.append({
{ { 0, host_start + host_length }, { 0, text().length() } },
default_format,
});
} else if (url.scheme() == "file") {
Gfx::TextAttributes scheme_format;
scheme_format.color = palette().color(Gfx::ColorRole::PlaceholderText);
spans.append({
{ { 0, 0 }, { 0, url.scheme().length() + 3 } },
scheme_format,
});
}
}
document().set_spans(0, move(spans));
update();
}
}
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