f93c0dc489
Instead of passing the PIDs back and forth in a handshake "Greet" message, just use getsockopt(SO_PEERCRED) on both sides to get the same information from the kernel. This is a nice little simplification of the IPC protocol, although it does not get rid of the handshake since we still have to pass the "client ID" from the server to each client so they know how to refer to themselves. This might not be necessary and we might be able to get rid of this later on.
263 lines
10 KiB
C++
263 lines
10 KiB
C++
#include <LibGUI/GAction.h>
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#include <LibGUI/GApplication.h>
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#include <LibGUI/GClipboard.h>
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#include <LibGUI/GDesktop.h>
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#include <LibGUI/GEvent.h>
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#include <LibGUI/GMenu.h>
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#include <LibGUI/GWidget.h>
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#include <LibGUI/GWindow.h>
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#include <LibGUI/GWindowServerConnection.h>
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//#define GEVENTLOOP_DEBUG
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GWindowServerConnection& GWindowServerConnection::the()
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{
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static GWindowServerConnection* s_connection = nullptr;
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if (!s_connection)
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s_connection = new GWindowServerConnection;
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return *s_connection;
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}
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void GWindowServerConnection::handshake()
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{
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auto response = send_sync<WindowServer::Greet>();
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set_my_client_id(response->client_id());
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GDesktop::the().did_receive_screen_rect({}, response->screen_rect());
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}
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void GWindowServerConnection::handle(const WindowClient::Paint& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("WID=%d Paint\n", message.window_id());
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#endif
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if (auto* window = GWindow::from_window_id(message.window_id())) {
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Vector<Rect, 32> rects;
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for (auto& r : message.rects()) {
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rects.append(r);
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}
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CEventLoop::current().post_event(*window, make<GMultiPaintEvent>(rects, message.window_size()));
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}
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}
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void GWindowServerConnection::handle(const WindowClient::WindowResized& message)
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{
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if (auto* window = GWindow::from_window_id(message.window_id())) {
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CEventLoop::current().post_event(*window, make<GResizeEvent>(message.old_rect().size(), message.new_rect().size()));
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}
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}
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void GWindowServerConnection::handle(const WindowClient::WindowActivated& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("(%d) WID=%d WindowActivated\n", getpid(), message.window_id());
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#endif
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GEvent>(GEvent::WindowBecameActive));
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}
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void GWindowServerConnection::handle(const WindowClient::WindowDeactivated& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("(%d) WID=%d WindowDeactivated\n", getpid(), message.window_id());
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#endif
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GEvent>(GEvent::WindowBecameInactive));
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}
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void GWindowServerConnection::handle(const WindowClient::WindowCloseRequest& message)
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{
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GEvent>(GEvent::WindowCloseRequest));
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}
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void GWindowServerConnection::handle(const WindowClient::WindowEntered& message)
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{
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GEvent>(GEvent::WindowEntered));
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}
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void GWindowServerConnection::handle(const WindowClient::WindowLeft& message)
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{
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GEvent>(GEvent::WindowLeft));
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}
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void GWindowServerConnection::handle(const WindowClient::KeyDown& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("WID=%d KeyDown character=0x%02x\n", message.window_id(), message.character());
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#endif
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auto* window = GWindow::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<GKeyEvent>(GEvent::KeyDown, 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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if (auto* focused_widget = window->focused_widget()) {
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if (auto* action = focused_widget->action_for_key_event(*key_event)) {
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if (action->is_enabled()) {
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action->activate();
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return;
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}
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}
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}
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if (auto* action = GApplication::the().action_for_key_event(*key_event)) {
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if (action->is_enabled()) {
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action->activate();
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return;
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}
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}
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CEventLoop::current().post_event(*window, move(key_event));
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}
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void GWindowServerConnection::handle(const WindowClient::KeyUp& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("WID=%d KeyUp character=0x%02x\n", message.window_id(), message.character());
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#endif
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auto* window = GWindow::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<GKeyEvent>(GEvent::KeyUp, 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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CEventLoop::current().post_event(*window, move(key_event));
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}
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GMouseButton 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 GMouseButton::None;
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case 1:
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return GMouseButton::Left;
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case 2:
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return GMouseButton::Right;
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case 4:
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return GMouseButton::Middle;
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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 GWindowServerConnection::handle(const WindowClient::MouseDown& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("WID=%d MouseDown %d,%d,%d\n", message.window_id(), message.mouse_position().x(), message.mouse_position().y(), message.wheel_delta();
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#endif
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GMouseEvent>(GEvent::MouseDown, message.mouse_position(), message.buttons(), to_gmousebutton(message.button()), message.modifiers(), message.wheel_delta()));
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}
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void GWindowServerConnection::handle(const WindowClient::MouseUp& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("WID=%d MouseUp %d,%d,%d\n", message.window_id(), message.mouse_position().x(), message.mouse_position().y(), message.wheel_delta();
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#endif
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GMouseEvent>(GEvent::MouseUp, message.mouse_position(), message.buttons(), to_gmousebutton(message.button()), message.modifiers(), message.wheel_delta()));
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}
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void GWindowServerConnection::handle(const WindowClient::MouseMove& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("WID=%d MouseMove %d,%d,%d\n", message.window_id(), message.mouse_position().x(), message.mouse_position().y(), message.wheel_delta();
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#endif
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GMouseEvent>(GEvent::MouseMove, message.mouse_position(), message.buttons(), to_gmousebutton(message.button()), message.modifiers(), message.wheel_delta()));
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}
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void GWindowServerConnection::handle(const WindowClient::MouseDoubleClick& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("WID=%d MouseDoubleClick %d,%d,%d\n", message.window_id(), message.mouse_position().x(), message.mouse_position().y(), message.wheel_delta();
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#endif
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GMouseEvent>(GEvent::MouseDoubleClick, message.mouse_position(), message.buttons(), to_gmousebutton(message.button()), message.modifiers(), message.wheel_delta()));
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}
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void GWindowServerConnection::handle(const WindowClient::MouseWheel& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("WID=%d MouseWheel %d,%d,%d\n", message.window_id(), message.mouse_position().x(), message.mouse_position().y(), message.wheel_delta();
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#endif
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GMouseEvent>(GEvent::MouseWheel, message.mouse_position(), message.buttons(), to_gmousebutton(message.button()), message.modifiers(), message.wheel_delta()));
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}
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void GWindowServerConnection::handle(const WindowClient::MenuItemActivated& message)
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{
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auto* menu = GMenu::from_menu_id(message.menu_id());
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if (!menu) {
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dbgprintf("GEventLoop 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();
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}
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void GWindowServerConnection::handle(const WindowClient::WM_WindowStateChanged& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("GEventLoop: handle_wm_event: %d\n", (int)event.type);
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#endif
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GWMWindowStateChangedEvent>(message.client_id(), message.window_id(), message.title(), message.rect(), message.is_active(), (GWindowType)message.window_type(), message.is_minimized()));
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}
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void GWindowServerConnection::handle(const WindowClient::WM_WindowRectChanged& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("GEventLoop: handle_wm_event: %d\n", (int)event.type);
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#endif
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GWMWindowRectChangedEvent>(message.client_id(), message.window_id(), message.rect()));
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}
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void GWindowServerConnection::handle(const WindowClient::WM_WindowIconBitmapChanged& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("GEventLoop: handle_wm_event: %d\n", (int)event.type);
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#endif
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GWMWindowIconBitmapChangedEvent>(message.client_id(), message.window_id(), message.icon_buffer_id(), message.icon_size()));
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}
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void GWindowServerConnection::handle(const WindowClient::WM_WindowRemoved& message)
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{
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#ifdef GEVENTLOOP_DEBUG
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dbgprintf("GEventLoop: handle_wm_event: %d\n", (int)event.type);
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#endif
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if (auto* window = GWindow::from_window_id(message.window_id()))
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CEventLoop::current().post_event(*window, make<GWMWindowRemovedEvent>(message.client_id(), message.window_id()));
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}
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void GWindowServerConnection::handle(const WindowClient::ScreenRectChanged& message)
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{
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GDesktop::the().did_receive_screen_rect({}, message.rect());
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}
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void GWindowServerConnection::handle(const WindowClient::ClipboardContentsChanged& message)
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{
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GClipboard::the().did_receive_clipboard_contents_changed({}, message.content_type());
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}
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void GWindowServerConnection::handle(const WindowClient::AsyncSetWallpaperFinished&)
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{
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// This is handled manually by GDesktop::set_wallpaper().
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}
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