cfcb38dff1
These fields are intended to carry the real meat of a drag operation, and the "text" is just for what we show on screen (alongside the cursor during the actual drag.) The data field is just a String for now, but in the future we should make it something more flexible.
280 lines
11 KiB
C++
280 lines
11 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/GDragOperation.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(menu);
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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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void GWindowServerConnection::handle(const WindowClient::DragDropped& 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<GDropEvent>(message.mouse_position(), message.text(), message.data_type(), message.data()));
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}
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void GWindowServerConnection::handle(const WindowClient::DragAccepted&)
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{
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GDragOperation::notify_accepted({});
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}
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void GWindowServerConnection::handle(const WindowClient::DragCancelled&)
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{
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GDragOperation::notify_cancelled({});
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}
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