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https://github.com/SerenityOS/serenity.git
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6e19ab2bbc
We have a new, improved string type coming up in AK (OOM aware, no null state), and while it's going to use UTF-8, the name UTF8String is a mouthful - so let's free up the String name by renaming the existing class. Making the old one have an annoying name will hopefully also help with quick adoption :^)
126 lines
3 KiB
C++
126 lines
3 KiB
C++
/*
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* Copyright (c) 2020, Alex McGrath <amk@amk.ie>
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGUI/Action.h>
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#include <LibGUI/Clipboard.h>
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#include <LibGUI/Event.h>
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#include <LibGUI/LinkLabel.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/Window.h>
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#include <LibGfx/Font/Font.h>
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#include <LibGfx/Palette.h>
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REGISTER_WIDGET(GUI, LinkLabel)
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namespace GUI {
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LinkLabel::LinkLabel(DeprecatedString text)
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: Label(move(text))
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{
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set_foreground_role(Gfx::ColorRole::Link);
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set_focus_policy(FocusPolicy::TabFocus);
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setup_actions();
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}
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void LinkLabel::setup_actions()
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{
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m_open_action = GUI::Action::create("Show in File Manager", {}, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/app-file-manager.png"sv).release_value_but_fixme_should_propagate_errors(), [&](const GUI::Action&) {
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if (on_click)
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on_click();
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});
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m_copy_action = CommonActions::make_copy_action([this](auto&) { Clipboard::the().set_plain_text(text()); }, this);
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}
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void LinkLabel::set_hovered(bool hover)
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{
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if (hover == m_hovered)
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return;
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m_hovered = hover;
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set_override_cursor(hover ? Gfx::StandardCursor::Hand : Gfx::StandardCursor::None);
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update();
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}
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void LinkLabel::mousemove_event(MouseEvent& event)
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{
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constexpr int extra_target_width = 3;
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set_hovered(event.position().x() <= font().width(text()) + extra_target_width);
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}
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void LinkLabel::mousedown_event(MouseEvent& event)
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{
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if (event.button() != MouseButton::Primary)
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return;
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Label::mousedown_event(event);
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if (m_hovered && on_click) {
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on_click();
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}
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}
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void LinkLabel::keydown_event(KeyEvent& event)
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{
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Label::keydown_event(event);
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if (event.key() == KeyCode::Key_Return || event.key() == KeyCode::Key_Space) {
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if (on_click)
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on_click();
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}
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}
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void LinkLabel::paint_event(PaintEvent& event)
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{
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Label::paint_event(event);
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GUI::Painter painter(*this);
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if (m_hovered)
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painter.draw_line({ 0, rect().bottom() }, { font().width(text()), rect().bottom() }, palette().link());
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if (is_focused())
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painter.draw_focus_rect(text_rect(), palette().focus_outline());
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}
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void LinkLabel::leave_event(Core::Event& event)
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{
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Label::leave_event(event);
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set_hovered(false);
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}
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void LinkLabel::did_change_text()
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{
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Label::did_change_text();
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update_tooltip_if_needed();
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}
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void LinkLabel::update_tooltip_if_needed()
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{
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if (width() < font().width(text())) {
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set_tooltip(text());
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} else {
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set_tooltip({});
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}
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}
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void LinkLabel::resize_event(ResizeEvent& event)
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{
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Label::resize_event(event);
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update_tooltip_if_needed();
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}
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void LinkLabel::context_menu_event(ContextMenuEvent& event)
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{
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if (!m_context_menu) {
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m_context_menu = Menu::construct();
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m_context_menu->add_action(*m_open_action);
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m_context_menu->add_separator();
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m_context_menu->add_action(*m_copy_action);
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}
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m_context_menu->popup(event.screen_position(), m_open_action);
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}
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}
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