mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-05-01 08:48:49 +00:00
3e7e52c5f0
You can now press Ctrl+Shift+A in any LibGUI application and we'll give you a command palette dialog where you can search for context-relevant actions by name (via the keyboard.) The set of actions is currently the same one you'd access via keyboard shortcuts. In the future, we'll probably want to add APIs to allow richer integrations with this feature.
397 lines
14 KiB
C++
397 lines
14 KiB
C++
/*
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* Copyright (c) 2018-2022, 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/Debug.h>
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#include <AK/StringBuilder.h>
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#include <LibCore/EventLoop.h>
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#include <LibCore/MimeData.h>
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#include <LibGUI/Action.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/CommandPalette.h>
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#include <LibGUI/Desktop.h>
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#include <LibGUI/DisplayLink.h>
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#include <LibGUI/DragOperation.h>
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#include <LibGUI/EmojiInputDialog.h>
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#include <LibGUI/Event.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/MouseTracker.h>
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#include <LibGUI/Window.h>
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#include <LibGUI/WindowServerConnection.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/FontDatabase.h>
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#include <LibGfx/Palette.h>
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#include <LibGfx/SystemTheme.h>
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namespace GUI {
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WindowServerConnection& WindowServerConnection::the()
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{
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static RefPtr<WindowServerConnection> s_connection = nullptr;
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if (!s_connection)
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s_connection = WindowServerConnection::try_create().release_value_but_fixme_should_propagate_errors();
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return *s_connection;
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}
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static void set_system_theme_from_anonymous_buffer(Core::AnonymousBuffer buffer)
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{
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Gfx::set_system_theme(buffer);
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Application::the()->set_system_palette(buffer);
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}
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WindowServerConnection::WindowServerConnection(NonnullOwnPtr<Core::Stream::LocalSocket> socket)
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: IPC::ServerConnection<WindowClientEndpoint, WindowServerEndpoint>(*this, move(socket))
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{
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// NOTE: WindowServer automatically sends a "fast_greet" message to us when we connect.
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// All we have to do is wait for it to arrive. This avoids a round-trip during application startup.
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auto message = wait_for_specific_message<Messages::WindowClient::FastGreet>();
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set_system_theme_from_anonymous_buffer(message->theme_buffer());
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Desktop::the().did_receive_screen_rects({}, message->screen_rects(), message->main_screen_index(), message->workspace_rows(), message->workspace_columns());
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Gfx::FontDatabase::set_default_font_query(message->default_font_query());
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Gfx::FontDatabase::set_fixed_width_font_query(message->fixed_width_font_query());
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m_client_id = message->client_id();
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}
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void WindowServerConnection::fast_greet(Vector<Gfx::IntRect> const&, u32, u32, u32, Core::AnonymousBuffer const&, String const&, String const&, i32)
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{
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// NOTE: This message is handled in the constructor.
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}
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void WindowServerConnection::update_system_theme(Core::AnonymousBuffer const& theme_buffer)
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{
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set_system_theme_from_anonymous_buffer(theme_buffer);
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Window::update_all_windows({});
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Window::for_each_window({}, [](auto& window) {
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Core::EventLoop::current().post_event(window, make<ThemeChangeEvent>());
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});
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}
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void WindowServerConnection::update_system_fonts(const String& default_font_query, const String& fixed_width_font_query)
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{
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Gfx::FontDatabase::set_default_font_query(default_font_query);
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Gfx::FontDatabase::set_fixed_width_font_query(fixed_width_font_query);
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Window::update_all_windows({});
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Window::for_each_window({}, [](auto& window) {
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Core::EventLoop::current().post_event(window, make<FontsChangeEvent>());
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});
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}
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void WindowServerConnection::paint(i32 window_id, Gfx::IntSize const& window_size, Vector<Gfx::IntRect> const& rects)
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{
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if (auto* window = Window::from_window_id(window_id))
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Core::EventLoop::current().post_event(*window, make<MultiPaintEvent>(rects, window_size));
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}
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void WindowServerConnection::window_resized(i32 window_id, Gfx::IntRect const& new_rect)
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{
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if (auto* window = Window::from_window_id(window_id)) {
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Core::EventLoop::current().post_event(*window, make<ResizeEvent>(new_rect.size()));
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}
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}
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void WindowServerConnection::window_activated(i32 window_id)
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{
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if (auto* window = Window::from_window_id(window_id))
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Core::EventLoop::current().post_event(*window, make<Event>(Event::WindowBecameActive));
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}
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void WindowServerConnection::window_deactivated(i32 window_id)
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{
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if (auto* window = Window::from_window_id(window_id))
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Core::EventLoop::current().post_event(*window, make<Event>(Event::WindowBecameInactive));
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}
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void WindowServerConnection::window_input_entered(i32 window_id)
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{
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if (auto* window = Window::from_window_id(window_id))
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Core::EventLoop::current().post_event(*window, make<Event>(Event::WindowInputEntered));
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}
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void WindowServerConnection::window_input_left(i32 window_id)
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{
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if (auto* window = Window::from_window_id(window_id))
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Core::EventLoop::current().post_event(*window, make<Event>(Event::WindowInputLeft));
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}
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void WindowServerConnection::window_close_request(i32 window_id)
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{
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if (auto* window = Window::from_window_id(window_id))
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Core::EventLoop::current().post_event(*window, make<Event>(Event::WindowCloseRequest));
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}
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void WindowServerConnection::window_entered(i32 window_id)
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{
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if (auto* window = Window::from_window_id(window_id))
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Core::EventLoop::current().post_event(*window, make<Event>(Event::WindowEntered));
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}
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void WindowServerConnection::window_left(i32 window_id)
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{
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if (auto* window = Window::from_window_id(window_id))
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Core::EventLoop::current().post_event(*window, make<Event>(Event::WindowLeft));
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}
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static Action* action_for_key_event(Window& window, KeyEvent const& event)
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{
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if (event.key() == KeyCode::Key_Invalid)
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return nullptr;
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dbgln_if(KEYBOARD_SHORTCUTS_DEBUG, "Looking up action for {}", event.to_string());
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for (auto* widget = window.focused_widget(); widget; widget = widget->parent_widget()) {
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if (auto* action = widget->action_for_key_event(event)) {
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dbgln_if(KEYBOARD_SHORTCUTS_DEBUG, " > Focused widget {} gave action: {}", *widget, action);
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return action;
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}
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}
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if (auto* action = window.action_for_key_event(event)) {
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dbgln_if(KEYBOARD_SHORTCUTS_DEBUG, " > Asked window {}, got action: {}", window, action);
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return action;
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}
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// NOTE: Application-global shortcuts are ignored while a modal window is up.
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if (!window.is_modal()) {
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if (auto* action = Application::the()->action_for_key_event(event)) {
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dbgln_if(KEYBOARD_SHORTCUTS_DEBUG, " > Asked application, got action: {}", action);
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return action;
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}
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}
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return nullptr;
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}
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void WindowServerConnection::key_down(i32 window_id, u32 code_point, u32 key, u32 modifiers, u32 scancode)
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{
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auto* window = Window::from_window_id(window_id);
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if (!window)
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return;
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auto key_event = make<KeyEvent>(Event::KeyDown, (KeyCode)key, modifiers, code_point, scancode);
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if (auto* action = action_for_key_event(*window, *key_event)) {
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if (action->is_enabled()) {
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action->flash_menubar_menu();
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action->activate();
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return;
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}
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if (action->swallow_key_event_when_disabled())
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return;
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}
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bool focused_widget_accepts_emoji_input = window->focused_widget() && window->focused_widget()->accepts_emoji_input();
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if (focused_widget_accepts_emoji_input && (modifiers == (Mod_Ctrl | Mod_Alt)) && key == Key_Space) {
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auto emoji_input_dialog = EmojiInputDialog::construct(window);
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if (emoji_input_dialog->exec() != EmojiInputDialog::ExecOK)
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return;
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key_event->m_key = Key_Invalid;
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key_event->m_modifiers = 0;
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Utf8View m_utf8_view(emoji_input_dialog->selected_emoji_text());
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u32 emoji_code_point = *m_utf8_view.begin();
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key_event->m_code_point = emoji_code_point;
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}
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// FIXME: This shortcut should be configurable.
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if (modifiers == (Mod_Ctrl | Mod_Shift) && key == Key_A) {
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auto command_palette = CommandPalette::construct(*window);
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if (command_palette->exec() != GUI::Dialog::ExecOK)
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return;
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auto* action = command_palette->selected_action();
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VERIFY(action);
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action->activate();
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return;
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}
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Core::EventLoop::current().post_event(*window, move(key_event));
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}
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void WindowServerConnection::key_up(i32 window_id, u32 code_point, u32 key, u32 modifiers, u32 scancode)
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{
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auto* window = Window::from_window_id(window_id);
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if (!window)
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return;
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auto key_event = make<KeyEvent>(Event::KeyUp, (KeyCode)key, modifiers, code_point, scancode);
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Core::EventLoop::current().post_event(*window, move(key_event));
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}
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static MouseButton to_mouse_button(u32 button)
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{
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switch (button) {
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case 0:
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return MouseButton::None;
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case 1:
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return MouseButton::Primary;
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case 2:
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return MouseButton::Secondary;
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case 4:
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return MouseButton::Middle;
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case 8:
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return MouseButton::Backward;
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case 16:
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return MouseButton::Forward;
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default:
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VERIFY_NOT_REACHED();
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break;
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}
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}
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void WindowServerConnection::mouse_down(i32 window_id, Gfx::IntPoint const& mouse_position, u32 button, u32 buttons, u32 modifiers, i32 wheel_delta_x, i32 wheel_delta_y)
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{
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if (auto* window = Window::from_window_id(window_id))
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Core::EventLoop::current().post_event(*window, make<MouseEvent>(Event::MouseDown, mouse_position, buttons, to_mouse_button(button), modifiers, wheel_delta_x, wheel_delta_y));
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}
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void WindowServerConnection::mouse_up(i32 window_id, Gfx::IntPoint const& mouse_position, u32 button, u32 buttons, u32 modifiers, i32 wheel_delta_x, i32 wheel_delta_y)
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{
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if (auto* window = Window::from_window_id(window_id))
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Core::EventLoop::current().post_event(*window, make<MouseEvent>(Event::MouseUp, mouse_position, buttons, to_mouse_button(button), modifiers, wheel_delta_x, wheel_delta_y));
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}
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void WindowServerConnection::mouse_move(i32 window_id, Gfx::IntPoint const& mouse_position, u32 button, u32 buttons, u32 modifiers, i32 wheel_delta_x, i32 wheel_delta_y, bool is_drag, Vector<String> const& mime_types)
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{
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if (auto* window = Window::from_window_id(window_id)) {
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if (is_drag)
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Core::EventLoop::current().post_event(*window, make<DragEvent>(Event::DragMove, mouse_position, mime_types));
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else
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Core::EventLoop::current().post_event(*window, make<MouseEvent>(Event::MouseMove, mouse_position, buttons, to_mouse_button(button), modifiers, wheel_delta_x, wheel_delta_y));
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}
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}
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void WindowServerConnection::mouse_double_click(i32 window_id, Gfx::IntPoint const& mouse_position, u32 button, u32 buttons, u32 modifiers, i32 wheel_delta_x, i32 wheel_delta_y)
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{
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if (auto* window = Window::from_window_id(window_id))
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Core::EventLoop::current().post_event(*window, make<MouseEvent>(Event::MouseDoubleClick, mouse_position, buttons, to_mouse_button(button), modifiers, wheel_delta_x, wheel_delta_y));
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}
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void WindowServerConnection::mouse_wheel(i32 window_id, Gfx::IntPoint const& mouse_position, u32 button, u32 buttons, u32 modifiers, i32 wheel_delta_x, i32 wheel_delta_y)
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{
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if (auto* window = Window::from_window_id(window_id))
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Core::EventLoop::current().post_event(*window, make<MouseEvent>(Event::MouseWheel, mouse_position, buttons, to_mouse_button(button), modifiers, wheel_delta_x, wheel_delta_y));
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}
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void WindowServerConnection::menu_visibility_did_change(i32 menu_id, bool visible)
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{
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auto* menu = Menu::from_menu_id(menu_id);
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if (!menu) {
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dbgln("EventLoop received visibility change event for invalid menu ID {}", menu_id);
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return;
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}
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menu->visibility_did_change({}, visible);
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}
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void WindowServerConnection::menu_item_activated(i32 menu_id, u32 identifier)
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{
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auto* menu = Menu::from_menu_id(menu_id);
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if (!menu) {
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dbgln("EventLoop received event for invalid menu ID {}", menu_id);
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return;
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}
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if (auto* action = menu->action_at(identifier))
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action->activate(menu);
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}
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void WindowServerConnection::menu_item_entered(i32 menu_id, u32 identifier)
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{
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auto* menu = Menu::from_menu_id(menu_id);
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if (!menu) {
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dbgln("WindowServerConnection received MenuItemEntered for invalid menu ID {}", menu_id);
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return;
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}
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auto* action = menu->action_at(identifier);
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if (!action)
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return;
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auto* app = Application::the();
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if (!app)
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return;
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Core::EventLoop::current().post_event(*app, make<ActionEvent>(GUI::Event::ActionEnter, *action));
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}
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void WindowServerConnection::menu_item_left(i32 menu_id, u32 identifier)
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{
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auto* menu = Menu::from_menu_id(menu_id);
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if (!menu) {
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dbgln("WindowServerConnection received MenuItemLeft for invalid menu ID {}", menu_id);
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return;
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}
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auto* action = menu->action_at(identifier);
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if (!action)
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return;
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auto* app = Application::the();
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if (!app)
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return;
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Core::EventLoop::current().post_event(*app, make<ActionEvent>(GUI::Event::ActionLeave, *action));
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}
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void WindowServerConnection::screen_rects_changed(Vector<Gfx::IntRect> const& rects, u32 main_screen_index, u32 workspace_rows, u32 workspace_columns)
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{
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Desktop::the().did_receive_screen_rects({}, rects, main_screen_index, workspace_rows, workspace_columns);
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Window::for_each_window({}, [&](auto& window) {
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Core::EventLoop::current().post_event(window, make<ScreenRectsChangeEvent>(rects, main_screen_index));
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});
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}
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void WindowServerConnection::applet_area_rect_changed(Gfx::IntRect const& rect)
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{
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Window::for_each_window({}, [&](auto& window) {
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Core::EventLoop::current().post_event(window, make<AppletAreaRectChangeEvent>(rect));
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});
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}
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void WindowServerConnection::set_wallpaper_finished(bool)
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{
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// This is handled manually by Desktop::set_wallpaper().
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}
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void WindowServerConnection::drag_dropped(i32 window_id, Gfx::IntPoint const& mouse_position, String const& text, HashMap<String, ByteBuffer> const& mime_data)
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{
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if (auto* window = Window::from_window_id(window_id)) {
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auto mime_data_obj = Core::MimeData::construct(mime_data);
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Core::EventLoop::current().post_event(*window, make<DropEvent>(mouse_position, text, mime_data_obj));
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}
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}
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void WindowServerConnection::drag_accepted()
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{
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DragOperation::notify_accepted({});
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}
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void WindowServerConnection::drag_cancelled()
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{
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DragOperation::notify_cancelled({});
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Application::the()->notify_drag_cancelled({});
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}
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void WindowServerConnection::window_state_changed(i32 window_id, bool minimized, bool occluded)
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{
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if (auto* window = Window::from_window_id(window_id))
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window->notify_state_changed({}, minimized, occluded);
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}
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void WindowServerConnection::display_link_notification()
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{
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if (m_display_link_notification_pending)
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return;
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m_display_link_notification_pending = true;
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deferred_invoke([this] {
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DisplayLink::notify({});
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m_display_link_notification_pending = false;
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});
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}
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void WindowServerConnection::track_mouse_move(Gfx::IntPoint const& mouse_position)
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{
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MouseTracker::track_mouse_move({}, mouse_position);
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}
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void WindowServerConnection::ping()
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{
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async_pong();
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}
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}
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