mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-20 01:37:39 +03:00
409 lines
12 KiB
C++
409 lines
12 KiB
C++
/*
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* Copyright (c) 2018-2023, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/NeverDestroyed.h>
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#include <LibConfig/Client.h>
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#include <LibCore/EventLoop.h>
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#include <LibGUI/Action.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/Clipboard.h>
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#include <LibGUI/ConnectionToWindowServer.h>
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#include <LibGUI/Desktop.h>
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#include <LibGUI/Label.h>
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#include <LibGUI/Menubar.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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namespace GUI {
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class Application::TooltipWindow final : public Window {
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C_OBJECT(TooltipWindow);
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public:
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void set_tooltip(String tooltip)
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{
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m_label->set_text(move(tooltip));
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int tooltip_width = m_label->effective_min_size().width().as_int() + 10;
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int line_count = m_label->text().bytes_as_string_view().count_lines();
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int font_size = m_label->font().pixel_size_rounded_up();
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int tooltip_height = font_size * line_count + ((font_size + 1) / 2) * (line_count - 1) + 8;
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Gfx::IntRect desktop_rect = Desktop::the().rect();
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if (tooltip_width > desktop_rect.width())
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tooltip_width = desktop_rect.width();
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set_rect(rect().x(), rect().y(), tooltip_width, tooltip_height);
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}
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private:
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TooltipWindow()
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{
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set_window_type(WindowType::Tooltip);
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set_obey_widget_min_size(false);
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m_label = set_main_widget<Label>();
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m_label->set_background_role(Gfx::ColorRole::Tooltip);
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m_label->set_foreground_role(Gfx::ColorRole::TooltipText);
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m_label->set_fill_with_background_color(true);
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m_label->set_frame_style(Gfx::FrameStyle::Plain);
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m_label->set_autosize(true);
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}
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RefPtr<Label> m_label;
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};
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static NeverDestroyed<WeakPtr<Application>> s_the;
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Application* Application::the()
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{
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// NOTE: If we don't explicitly call revoke_weak_ptrs() in the
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// ~Application destructor, we would have to change this to
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// return s_the->strong_ref().ptr();
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// This is because this is using the unsafe operator*/operator->
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// that do not have the ability to check the ref count!
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return *s_the;
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}
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ErrorOr<NonnullRefPtr<Application>> Application::create(Main::Arguments const& arguments)
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{
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if (*s_the)
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return Error::from_string_literal("An Application has already been created for this process!");
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auto application = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) Application {}));
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*s_the = *application;
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application->m_event_loop = TRY(try_make<Core::EventLoop>());
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ConnectionToWindowServer::the();
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TRY(Clipboard::initialize({}));
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if (arguments.argc > 0)
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application->m_invoked_as = arguments.argv[0];
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if (getenv("GUI_FOCUS_DEBUG"))
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application->m_focus_debugging_enabled = true;
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if (getenv("GUI_HOVER_DEBUG"))
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application->m_hover_debugging_enabled = true;
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if (getenv("GUI_DND_DEBUG"))
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application->m_dnd_debugging_enabled = true;
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if (!arguments.strings.is_empty()) {
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for (auto arg : arguments.strings.slice(1))
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TRY(application->m_args.try_append(arg));
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}
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application->m_tooltip_show_timer = Core::Timer::create_single_shot(700, [weak_application = application->make_weak_ptr<Application>()] {
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weak_application->request_tooltip_show();
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});
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application->m_tooltip_hide_timer = Core::Timer::create_single_shot(50, [weak_application = application->make_weak_ptr<Application>()] {
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weak_application->tooltip_hide_timer_did_fire();
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});
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return application;
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}
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static bool s_in_teardown;
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bool Application::in_teardown()
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{
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return s_in_teardown;
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}
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Application::~Application()
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{
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s_in_teardown = true;
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revoke_weak_ptrs();
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}
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int Application::exec()
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{
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return m_event_loop->exec();
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}
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void Application::quit(int exit_code)
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{
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m_event_loop->quit(exit_code);
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}
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void Application::register_global_shortcut_action(Badge<Action>, Action& action)
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{
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m_global_shortcut_actions.set(action.shortcut(), &action);
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m_global_shortcut_actions.set(action.alternate_shortcut(), &action);
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}
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void Application::unregister_global_shortcut_action(Badge<Action>, Action& action)
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{
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m_global_shortcut_actions.remove(action.shortcut());
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m_global_shortcut_actions.remove(action.alternate_shortcut());
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}
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Action* Application::action_for_shortcut(Shortcut const& shortcut) const
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{
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auto it = m_global_shortcut_actions.find(shortcut);
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if (it == m_global_shortcut_actions.end())
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return nullptr;
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return (*it).value;
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}
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void Application::show_tooltip(String tooltip, Widget const* tooltip_source_widget)
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{
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if (!Desktop::the().system_effects().tooltips())
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return;
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m_tooltip_source_widget = tooltip_source_widget;
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if (!m_tooltip_window) {
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m_tooltip_window = TooltipWindow::construct();
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m_tooltip_window->set_double_buffering_enabled(false);
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}
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m_tooltip_window->set_tooltip(move(tooltip));
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if (m_tooltip_window->is_visible()) {
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request_tooltip_show();
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m_tooltip_show_timer->stop();
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m_tooltip_hide_timer->stop();
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} else {
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m_tooltip_show_timer->restart();
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m_tooltip_hide_timer->stop();
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}
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}
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void Application::show_tooltip_immediately(String tooltip, Widget const* tooltip_source_widget)
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{
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if (!Desktop::the().system_effects().tooltips())
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return;
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m_tooltip_source_widget = tooltip_source_widget;
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if (!m_tooltip_window) {
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m_tooltip_window = TooltipWindow::construct();
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m_tooltip_window->set_double_buffering_enabled(false);
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}
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m_tooltip_window->set_tooltip(move(tooltip));
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request_tooltip_show();
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m_tooltip_show_timer->stop();
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m_tooltip_hide_timer->stop();
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}
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void Application::hide_tooltip()
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{
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m_tooltip_show_timer->stop();
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m_tooltip_hide_timer->start();
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}
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void Application::did_create_window(Badge<Window>)
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{
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if (m_event_loop->was_exit_requested())
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m_event_loop->unquit();
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}
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void Application::did_delete_last_window(Badge<Window>)
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{
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if (m_quit_when_last_window_deleted)
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m_event_loop->quit(0);
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}
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void Application::set_system_palette(Core::AnonymousBuffer& buffer)
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{
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if (!m_system_palette)
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m_system_palette = Gfx::PaletteImpl::create_with_anonymous_buffer(buffer);
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else
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m_system_palette->replace_internal_buffer({}, buffer);
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if (!m_palette)
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m_palette = m_system_palette;
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}
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void Application::set_palette(Palette& palette)
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{
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m_palette = palette.impl();
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}
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Gfx::Palette Application::palette() const
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{
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return Palette(*m_palette);
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}
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void Application::request_tooltip_show()
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{
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VERIFY(m_tooltip_window);
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Gfx::IntRect desktop_rect = Desktop::the().rect();
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int const margin = 30;
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Gfx::IntPoint adjusted_pos = ConnectionToWindowServer::the().get_global_cursor_position();
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adjusted_pos.translate_by(0, 14);
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if (adjusted_pos.x() + m_tooltip_window->width() >= desktop_rect.width() - margin) {
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adjusted_pos = adjusted_pos.translated(-m_tooltip_window->width(), 0);
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}
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if (adjusted_pos.y() + m_tooltip_window->height() >= desktop_rect.height() - margin) {
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adjusted_pos = adjusted_pos.translated(0, -(m_tooltip_window->height() * 2));
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}
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if (adjusted_pos.x() < 0)
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adjusted_pos.set_x(0);
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m_tooltip_window->move_to(adjusted_pos);
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m_tooltip_window->show();
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}
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void Application::tooltip_hide_timer_did_fire()
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{
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m_tooltip_source_widget = nullptr;
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if (m_tooltip_window)
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m_tooltip_window->hide();
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}
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void Application::window_did_become_active(Badge<Window>, Window& window)
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{
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m_active_window = window.make_weak_ptr<Window>();
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window.update();
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}
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void Application::window_did_become_inactive(Badge<Window>, Window& window)
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{
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if (m_active_window.ptr() != &window)
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return;
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window.update();
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m_active_window = nullptr;
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}
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void Application::set_pending_drop_widget(Widget* widget)
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{
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if (m_pending_drop_widget == widget)
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return;
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if (m_pending_drop_widget)
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m_pending_drop_widget->update();
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m_pending_drop_widget = widget;
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if (m_pending_drop_widget)
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m_pending_drop_widget->update();
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}
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void Application::set_drag_hovered_widget_impl(Widget* widget, Gfx::IntPoint position, Vector<String> mime_types)
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{
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if (widget == m_drag_hovered_widget)
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return;
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if (m_drag_hovered_widget) {
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Event leave_event(Event::DragLeave);
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m_drag_hovered_widget->dispatch_event(leave_event, m_drag_hovered_widget->window());
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}
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set_pending_drop_widget(nullptr);
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m_drag_hovered_widget = widget;
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if (m_drag_hovered_widget) {
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DragEvent enter_event(Event::DragEnter, position, move(mime_types));
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enter_event.ignore();
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m_drag_hovered_widget->dispatch_event(enter_event, m_drag_hovered_widget->window());
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if (enter_event.is_accepted())
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set_pending_drop_widget(m_drag_hovered_widget);
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ConnectionToWindowServer::the().async_set_accepts_drag(enter_event.is_accepted());
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}
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}
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void Application::notify_drag_cancelled(Badge<ConnectionToWindowServer>)
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{
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set_drag_hovered_widget_impl(nullptr);
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}
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void Application::event(Core::Event& event)
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{
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if (event.type() == GUI::Event::ActionEnter || event.type() == GUI::Event::ActionLeave) {
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auto& action_event = static_cast<ActionEvent&>(event);
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auto& action = action_event.action();
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if (action_event.type() == GUI::Event::ActionEnter) {
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if (on_action_enter)
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on_action_enter(action);
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} else {
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if (on_action_leave)
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on_action_leave(action);
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}
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}
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if (event.type() == GUI::Event::ThemeChange) {
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if (on_theme_change)
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on_theme_change();
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}
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EventReceiver::event(event);
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}
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void Application::set_config_domain(String config_domain)
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{
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m_config_domain = move(config_domain);
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}
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void Application::register_recent_file_actions(Badge<GUI::Menu>, Vector<NonnullRefPtr<GUI::Action>> actions)
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{
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m_recent_file_actions = move(actions);
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update_recent_file_actions();
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}
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void Application::update_recent_file_actions()
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{
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VERIFY(!m_config_domain.is_empty());
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size_t number_of_recently_open_files = 0;
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auto update_action = [&](size_t index) {
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auto& action = m_recent_file_actions[index];
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char buffer = static_cast<char>('0' + index);
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auto key = StringView(&buffer, 1);
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auto path = Config::read_string(m_config_domain, "RecentFiles"sv, key);
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if (path.is_empty()) {
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action->set_visible(false);
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action->set_enabled(false);
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} else {
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action->set_visible(true);
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action->set_enabled(true);
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action->set_text(path);
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action->set_status_tip(String::formatted("Open {}", path).release_value_but_fixme_should_propagate_errors());
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++number_of_recently_open_files;
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}
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};
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for (size_t i = 0; i < max_recently_open_files(); ++i)
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update_action(i);
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// Hide or show the "(No recently open files)" placeholder.
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m_recent_file_actions.last()->set_visible(number_of_recently_open_files == 0);
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}
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void Application::set_most_recently_open_file(ByteString new_path)
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{
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VERIFY(!new_path.is_empty());
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Vector<ByteString> new_recent_files_list;
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for (size_t i = 0; i < max_recently_open_files(); ++i) {
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static_assert(max_recently_open_files() < 10);
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char buffer = static_cast<char>('0' + i);
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auto key = StringView(&buffer, 1);
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new_recent_files_list.append(Config::read_string(m_config_domain, "RecentFiles"sv, key));
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}
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new_recent_files_list.remove_all_matching([&](auto& existing_path) {
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return existing_path.view() == new_path;
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});
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new_recent_files_list.prepend(new_path);
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new_recent_files_list.resize(max_recently_open_files());
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for (size_t i = 0; i < max_recently_open_files(); ++i) {
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auto& path = new_recent_files_list[i];
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char buffer = static_cast<char>('0' + i);
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auto key = StringView(&buffer, 1);
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Config::write_string(
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m_config_domain,
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"RecentFiles"sv,
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key,
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path);
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}
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if (!m_recent_file_actions.is_empty())
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update_recent_file_actions();
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}
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}
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