1d6ec51bee
Each window now has an associated progress integer that can be updated via the SetWindowProgress IPC call. This can be used by clients to indicate the progress of ongoing tasks. Any number in the range 0 through 100 indicate a progress percentage. Any other number means "no progress"
337 lines
13 KiB
C++
337 lines
13 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/SharedBuffer.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/Clipboard.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/Widget.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/Palette.h>
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#include <LibGfx/SystemTheme.h>
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//#define KEYBOARD_SHORTCUTS_DEBUG
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namespace GUI {
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WindowServerConnection& WindowServerConnection::the()
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{
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static WindowServerConnection* s_connection = nullptr;
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if (!s_connection)
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s_connection = new WindowServerConnection;
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return *s_connection;
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}
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static void set_system_theme_from_shbuf_id(int id)
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{
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auto system_theme = SharedBuffer::create_from_shbuf_id(id);
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ASSERT(system_theme);
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Gfx::set_system_theme(*system_theme);
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Application::the().set_system_palette(*system_theme);
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}
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void WindowServerConnection::handshake()
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{
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auto response = send_sync<Messages::WindowServer::Greet>();
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set_my_client_id(response->client_id());
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set_system_theme_from_shbuf_id(response->system_theme_buffer_id());
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Desktop::the().did_receive_screen_rect({}, response->screen_rect());
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}
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void WindowServerConnection::handle(const Messages::WindowClient::UpdateSystemTheme& message)
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{
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set_system_theme_from_shbuf_id(message.system_theme_buffer_id());
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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::handle(const Messages::WindowClient::Paint& message)
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{
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if (auto* window = Window::from_window_id(message.window_id()))
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Core::EventLoop::current().post_event(*window, make<MultiPaintEvent>(message.rects(), message.window_size()));
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}
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void WindowServerConnection::handle(const Messages::WindowClient::WindowResized& message)
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{
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if (auto* window = Window::from_window_id(message.window_id())) {
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Core::EventLoop::current().post_event(*window, make<ResizeEvent>(message.old_rect().size(), message.new_rect().size()));
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}
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}
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void WindowServerConnection::handle(const Messages::WindowClient::WindowActivated& message)
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{
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if (auto* window = Window::from_window_id(message.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::handle(const Messages::WindowClient::WindowDeactivated& message)
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{
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if (auto* window = Window::from_window_id(message.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::handle(const Messages::WindowClient::WindowCloseRequest& message)
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{
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if (auto* window = Window::from_window_id(message.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::handle(const Messages::WindowClient::WindowEntered& message)
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{
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if (auto* window = Window::from_window_id(message.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::handle(const Messages::WindowClient::WindowLeft& message)
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{
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if (auto* window = Window::from_window_id(message.window_id()))
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Core::EventLoop::current().post_event(*window, make<Event>(Event::WindowLeft));
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}
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void WindowServerConnection::handle(const Messages::WindowClient::KeyDown& message)
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{
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auto* window = Window::from_window_id(message.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) message.key(), message.modifiers());
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if (message.character() != '\0') {
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char ch = message.character();
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key_event->m_text = String(&ch, 1);
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}
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Action* action = nullptr;
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#ifdef KEYBOARD_SHORTCUTS_DEBUG
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dbg() << "Looking up action for " << key_event->to_string();
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#endif
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if (auto* focused_widget = window->focused_widget()) {
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for (auto* widget = focused_widget; widget && !action; widget = widget->parent_widget()) {
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action = widget->action_for_key_event(*key_event);
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#ifdef KEYBOARD_SHORTCUTS_DEBUG
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dbg() << " > Focused widget " << *widget << " gave action: " << action;
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#endif
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}
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}
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if (!action) {
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action = window->action_for_key_event(*key_event);
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#ifdef KEYBOARD_SHORTCUTS_DEBUG
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dbg() << " > Asked window " << *window << ", got action: " << action;
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#endif
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}
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if (!action) {
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action = Application::the().action_for_key_event(*key_event);
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#ifdef KEYBOARD_SHORTCUTS_DEBUG
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dbg() << " > Asked application, got action: " << action;
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#endif
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}
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if (action && action->is_enabled()) {
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action->activate();
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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 && (message.modifiers() == (Mod_Ctrl | Mod_Alt)) && message.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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key_event->m_text = emoji_input_dialog->selected_emoji_text();
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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::handle(const Messages::WindowClient::KeyUp& message)
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{
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auto* window = Window::from_window_id(message.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) message.key(), message.modifiers());
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if (message.character() != '\0') {
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char ch = message.character();
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key_event->m_text = String(&ch, 1);
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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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MouseButton to_gmousebutton(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::Left;
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case 2:
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return MouseButton::Right;
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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::Back;
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case 16:
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return MouseButton::Forward;
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default:
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ASSERT_NOT_REACHED();
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break;
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}
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}
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void WindowServerConnection::handle(const Messages::WindowClient::MouseDown& message)
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{
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if (auto* window = Window::from_window_id(message.window_id()))
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Core::EventLoop::current().post_event(*window, make<MouseEvent>(Event::MouseDown, message.mouse_position(), message.buttons(), to_gmousebutton(message.button()), message.modifiers(), message.wheel_delta()));
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}
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void WindowServerConnection::handle(const Messages::WindowClient::MouseUp& message)
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{
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if (auto* window = Window::from_window_id(message.window_id()))
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Core::EventLoop::current().post_event(*window, make<MouseEvent>(Event::MouseUp, message.mouse_position(), message.buttons(), to_gmousebutton(message.button()), message.modifiers(), message.wheel_delta()));
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}
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void WindowServerConnection::handle(const Messages::WindowClient::MouseMove& message)
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{
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if (auto* window = Window::from_window_id(message.window_id())) {
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if (message.is_drag())
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Core::EventLoop::current().post_event(*window, make<DragEvent>(Event::DragMove, message.mouse_position(), message.drag_data_type()));
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else
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Core::EventLoop::current().post_event(*window, make<MouseEvent>(Event::MouseMove, message.mouse_position(), message.buttons(), to_gmousebutton(message.button()), message.modifiers(), message.wheel_delta()));
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}
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}
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void WindowServerConnection::handle(const Messages::WindowClient::MouseDoubleClick& message)
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{
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if (auto* window = Window::from_window_id(message.window_id()))
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Core::EventLoop::current().post_event(*window, make<MouseEvent>(Event::MouseDoubleClick, message.mouse_position(), message.buttons(), to_gmousebutton(message.button()), message.modifiers(), message.wheel_delta()));
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}
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void WindowServerConnection::handle(const Messages::WindowClient::MouseWheel& message)
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{
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if (auto* window = Window::from_window_id(message.window_id()))
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Core::EventLoop::current().post_event(*window, make<MouseEvent>(Event::MouseWheel, message.mouse_position(), message.buttons(), to_gmousebutton(message.button()), message.modifiers(), message.wheel_delta()));
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}
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void WindowServerConnection::handle(const Messages::WindowClient::MenuItemActivated& message)
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{
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auto* menu = Menu::from_menu_id(message.menu_id());
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if (!menu) {
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dbgprintf("EventLoop received event for invalid menu ID %d\n", message.menu_id());
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return;
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}
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if (auto* action = menu->action_at(message.identifier()))
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action->activate(menu);
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}
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void WindowServerConnection::handle(const Messages::WindowClient::WM_WindowStateChanged& message)
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{
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if (auto* window = Window::from_window_id(message.wm_id()))
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Core::EventLoop::current().post_event(*window, make<WMWindowStateChangedEvent>(message.client_id(), message.window_id(), message.title(), message.rect(), message.is_active(), static_cast<WindowType>(message.window_type()), message.is_minimized(), message.is_frameless(), message.progress()));
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}
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void WindowServerConnection::handle(const Messages::WindowClient::WM_WindowRectChanged& message)
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{
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if (auto* window = Window::from_window_id(message.wm_id()))
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Core::EventLoop::current().post_event(*window, make<WMWindowRectChangedEvent>(message.client_id(), message.window_id(), message.rect()));
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}
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void WindowServerConnection::handle(const Messages::WindowClient::WM_WindowIconBitmapChanged& message)
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{
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if (auto* window = Window::from_window_id(message.wm_id()))
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Core::EventLoop::current().post_event(*window, make<WMWindowIconBitmapChangedEvent>(message.client_id(), message.window_id(), message.icon_buffer_id(), message.icon_size()));
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}
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void WindowServerConnection::handle(const Messages::WindowClient::WM_WindowRemoved& message)
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{
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if (auto* window = Window::from_window_id(message.wm_id()))
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Core::EventLoop::current().post_event(*window, make<WMWindowRemovedEvent>(message.client_id(), message.window_id()));
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}
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void WindowServerConnection::handle(const Messages::WindowClient::ScreenRectChanged& message)
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{
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Desktop::the().did_receive_screen_rect({}, message.rect());
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}
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void WindowServerConnection::handle(const Messages::WindowClient::AsyncSetWallpaperFinished&)
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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::handle(const Messages::WindowClient::DragDropped& message)
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{
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if (auto* window = Window::from_window_id(message.window_id())) {
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auto mime_data = Core::MimeData::construct();
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mime_data->set_data(message.data_type(), message.data().to_byte_buffer());
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Core::EventLoop::current().post_event(*window, make<DropEvent>(message.mouse_position(), message.text(), mime_data));
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}
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}
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void WindowServerConnection::handle(const Messages::WindowClient::DragAccepted&)
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{
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DragOperation::notify_accepted({});
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}
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void WindowServerConnection::handle(const Messages::WindowClient::DragCancelled&)
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{
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DragOperation::notify_cancelled({});
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}
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void WindowServerConnection::handle(const Messages::WindowClient::WindowStateChanged& message)
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{
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if (auto* window = Window::from_window_id(message.window_id()))
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window->notify_state_changed({}, message.minimized(), message.occluded());
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}
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void WindowServerConnection::handle(const Messages::WindowClient::DisplayLinkNotification&)
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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](auto&) {
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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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}
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