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ladybird/Servers/WindowServer/WSClientConnection.cpp
Andreas Kling 1e604b7984 WindowServer+LibGUI: Show action icons in the menus when possible 
Any GAction that has an icon assigned will now show up with that icon
when added to a menu as well.

I made the menu items 2px taller to accomodate the icons. I think this
turned out quite nice as well :^)
2019-08-26 18:54:44 +02:00

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#include <LibC/SharedBuffer.h>
#include <LibDraw/GraphicsBitmap.h>
#include <SharedBuffer.h>
#include <WindowServer/WSAPITypes.h>
#include <WindowServer/WSClientConnection.h>
#include <WindowServer/WSClipboard.h>
#include <WindowServer/WSCompositor.h>
#include <WindowServer/WSEventLoop.h>
#include <WindowServer/WSMenu.h>
#include <WindowServer/WSMenuBar.h>
#include <WindowServer/WSMenuItem.h>
#include <WindowServer/WSScreen.h>
#include <WindowServer/WSWindow.h>
#include <WindowServer/WSWindowManager.h>
#include <WindowServer/WSWindowSwitcher.h>
#include <errno.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <unistd.h>
HashMap<int, WSClientConnection*>* s_connections;
void WSClientConnection::for_each_client(Function<void(WSClientConnection&)> callback)
{
if (!s_connections)
return;
for (auto& it : *s_connections) {
callback(*it.value);
}
}
WSClientConnection* WSClientConnection::from_client_id(int client_id)
{
if (!s_connections)
return nullptr;
auto it = s_connections->find(client_id);
if (it == s_connections->end())
return nullptr;
return (*it).value;
}
WSClientConnection::WSClientConnection(CLocalSocket& client_socket, int client_id)
: Connection(client_socket, client_id)
{
if (!s_connections)
s_connections = new HashMap<int, WSClientConnection*>;
s_connections->set(client_id, this);
}
WSClientConnection::~WSClientConnection()
{
// NOTE: Move the windows out of 'm_windows' before teardown. This prevents code
// that runs in response to window destruction from trying to iterate over
// a partially destroyed window list.
auto windows = move(m_windows);
s_connections->remove(client_id());
}
void WSClientConnection::send_greeting()
{
WSAPI_ServerMessage message;
message.type = WSAPI_ServerMessage::Type::Greeting;
message.greeting.server_pid = getpid();
message.greeting.your_client_id = client_id();
message.greeting.screen_rect = WSScreen::the().rect();
post_message(message);
}
void WSClientConnection::post_error(const String& error_message)
{
dbgprintf("WSClientConnection::post_error: client_id=%d: %s\n", client_id(), error_message.characters());
WSAPI_ServerMessage message;
message.type = WSAPI_ServerMessage::Type::Error;
ASSERT(error_message.length() < (ssize_t)sizeof(message.text));
strcpy(message.text, error_message.characters());
message.text_length = error_message.length();
post_message(message);
}
void WSClientConnection::notify_about_new_screen_rect(const Rect& rect)
{
WSAPI_ServerMessage message;
message.type = WSAPI_ServerMessage::Type::ScreenRectChanged;
message.screen.rect = rect;
post_message(message);
}
void WSClientConnection::event(CEvent& event)
{
if (static_cast<WSEvent&>(event).is_client_request()) {
on_request(static_cast<const WSAPIClientRequest&>(event));
return;
}
Connection::event(event);
}
static Vector<Rect, 32> get_rects(const WSAPI_ClientMessage& message, const ByteBuffer& extra_data)
{
Vector<Rect, 32> rects;
if (message.rect_count > (int)(WSAPI_ClientMessage::max_inline_rect_count + extra_data.size() / sizeof(WSAPI_Rect))) {
return {};
}
for (int i = 0; i < min(WSAPI_ClientMessage::max_inline_rect_count, message.rect_count); ++i)
rects.append(message.rects[i]);
if (!extra_data.is_empty()) {
auto* extra_rects = reinterpret_cast<const WSAPI_Rect*>(extra_data.data());
for (int i = 0; i < (int)(extra_data.size() / sizeof(WSAPI_Rect)); ++i)
rects.append(extra_rects[i]);
}
return rects;
}
bool WSClientConnection::handle_message(const WSAPI_ClientMessage& message, const ByteBuffer&& extra_data)
{
switch (message.type) {
case WSAPI_ClientMessage::Type::Greeting:
set_client_pid(message.greeting.client_pid);
break;
case WSAPI_ClientMessage::Type::CreateMenubar:
CEventLoop::current().post_event(*this, make<WSAPICreateMenubarRequest>(client_id()));
break;
case WSAPI_ClientMessage::Type::DestroyMenubar:
CEventLoop::current().post_event(*this, make<WSAPIDestroyMenubarRequest>(client_id(), message.menu.menubar_id));
break;
case WSAPI_ClientMessage::Type::SetApplicationMenubar:
CEventLoop::current().post_event(*this, make<WSAPISetApplicationMenubarRequest>(client_id(), message.menu.menubar_id));
break;
case WSAPI_ClientMessage::Type::AddMenuToMenubar:
CEventLoop::current().post_event(*this, make<WSAPIAddMenuToMenubarRequest>(client_id(), message.menu.menubar_id, message.menu.menu_id));
break;
case WSAPI_ClientMessage::Type::CreateMenu:
if (message.text_length > (int)sizeof(message.text)) {
did_misbehave();
return false;
}
CEventLoop::current().post_event(*this, make<WSAPICreateMenuRequest>(client_id(), String(message.text, message.text_length)));
break;
case WSAPI_ClientMessage::Type::PopupMenu:
CEventLoop::current().post_event(*this, make<WSAPIPopupMenuRequest>(client_id(), message.menu.menu_id, message.menu.position));
break;
case WSAPI_ClientMessage::Type::DismissMenu:
CEventLoop::current().post_event(*this, make<WSAPIDismissMenuRequest>(client_id(), message.menu.menu_id));
break;
case WSAPI_ClientMessage::Type::SetWindowIconBitmap:
CEventLoop::current().post_event(*this, make<WSAPISetWindowIconBitmapRequest>(client_id(), message.window_id, message.window.icon_buffer_id, message.window.icon_size));
break;
case WSAPI_ClientMessage::Type::DestroyMenu:
CEventLoop::current().post_event(*this, make<WSAPIDestroyMenuRequest>(client_id(), message.menu.menu_id));
break;
case WSAPI_ClientMessage::Type::AddMenuItem:
if (message.text_length > (int)sizeof(message.text)) {
did_misbehave();
return false;
}
if (message.menu.shortcut_text_length > (int)sizeof(message.menu.shortcut_text)) {
did_misbehave();
return false;
}
CEventLoop::current().post_event(*this, make<WSAPIAddMenuItemRequest>(client_id(), message.menu.menu_id, message.menu.identifier, String(message.text, message.text_length), String(message.menu.shortcut_text, message.menu.shortcut_text_length), message.menu.enabled, message.menu.checkable, message.menu.checked, message.menu.icon_buffer_id));
break;
case WSAPI_ClientMessage::Type::UpdateMenuItem:
if (message.text_length > (int)sizeof(message.text)) {
did_misbehave();
return false;
}
if (message.menu.shortcut_text_length > (int)sizeof(message.menu.shortcut_text)) {
did_misbehave();
return false;
}
CEventLoop::current().post_event(*this, make<WSAPIUpdateMenuItemRequest>(client_id(), message.menu.menu_id, message.menu.identifier, String(message.text, message.text_length), String(message.menu.shortcut_text, message.menu.shortcut_text_length), message.menu.enabled, message.menu.checkable, message.menu.checked));
break;
case WSAPI_ClientMessage::Type::AddMenuSeparator:
CEventLoop::current().post_event(*this, make<WSAPIAddMenuSeparatorRequest>(client_id(), message.menu.menu_id));
break;
case WSAPI_ClientMessage::Type::CreateWindow: {
if (message.text_length > (int)sizeof(message.text)) {
did_misbehave();
return false;
}
auto ws_window_type = WSWindowType::Invalid;
switch (message.window.type) {
case WSAPI_WindowType::Normal:
ws_window_type = WSWindowType::Normal;
break;
case WSAPI_WindowType::Menu:
ws_window_type = WSWindowType::Menu;
break;
case WSAPI_WindowType::WindowSwitcher:
ws_window_type = WSWindowType::WindowSwitcher;
break;
case WSAPI_WindowType::Taskbar:
ws_window_type = WSWindowType::Taskbar;
break;
case WSAPI_WindowType::Tooltip:
ws_window_type = WSWindowType::Tooltip;
break;
case WSAPI_WindowType::Menubar:
ws_window_type = WSWindowType::Menubar;
break;
case WSAPI_WindowType::Launcher:
ws_window_type = WSWindowType::Launcher;
break;
case WSAPI_WindowType::Invalid:
default:
dbgprintf("Unknown WSAPI_WindowType: %d\n", message.window.type);
did_misbehave();
return false;
}
CEventLoop::current().post_event(*this,
make<WSAPICreateWindowRequest>(client_id(),
message.window.rect,
String(message.text, message.text_length),
message.window.has_alpha_channel,
message.window.modal,
message.window.resizable,
message.window.fullscreen,
message.window.show_titlebar,
message.window.opacity,
message.window.base_size,
message.window.size_increment,
ws_window_type,
Color::from_rgba(message.window.background_color)));
break;
}
case WSAPI_ClientMessage::Type::DestroyWindow:
CEventLoop::current().post_event(*this, make<WSAPIDestroyWindowRequest>(client_id(), message.window_id));
break;
case WSAPI_ClientMessage::Type::SetWindowTitle:
if (message.text_length > (int)sizeof(message.text)) {
did_misbehave();
return false;
}
CEventLoop::current().post_event(*this, make<WSAPISetWindowTitleRequest>(client_id(), message.window_id, String(message.text, message.text_length)));
break;
case WSAPI_ClientMessage::Type::GetWindowTitle:
CEventLoop::current().post_event(*this, make<WSAPIGetWindowTitleRequest>(client_id(), message.window_id));
break;
case WSAPI_ClientMessage::Type::SetWindowRect:
CEventLoop::current().post_event(*this, make<WSAPISetWindowRectRequest>(client_id(), message.window_id, message.window.rect));
break;
case WSAPI_ClientMessage::Type::GetWindowRect:
CEventLoop::current().post_event(*this, make<WSAPIGetWindowRectRequest>(client_id(), message.window_id));
break;
case WSAPI_ClientMessage::Type::SetClipboardContents:
CEventLoop::current().post_event(*this, make<WSAPISetClipboardContentsRequest>(client_id(), message.clipboard.shared_buffer_id, message.clipboard.contents_size));
break;
case WSAPI_ClientMessage::Type::GetClipboardContents:
CEventLoop::current().post_event(*this, make<WSAPIGetClipboardContentsRequest>(client_id()));
break;
case WSAPI_ClientMessage::Type::InvalidateRect: {
auto rects = get_rects(message, extra_data);
if (rects.is_empty()) {
did_misbehave();
return false;
}
CEventLoop::current().post_event(*this, make<WSAPIInvalidateRectRequest>(client_id(), message.window_id, rects));
break;
}
case WSAPI_ClientMessage::Type::DidFinishPainting: {
auto rects = get_rects(message, extra_data);
if (rects.is_empty()) {
did_misbehave();
return false;
}
CEventLoop::current().post_event(*this, make<WSAPIDidFinishPaintingNotification>(client_id(), message.window_id, rects));
break;
}
case WSAPI_ClientMessage::Type::GetWindowBackingStore:
CEventLoop::current().post_event(*this, make<WSAPIGetWindowBackingStoreRequest>(client_id(), message.window_id));
break;
case WSAPI_ClientMessage::Type::SetWindowBackingStore:
CEventLoop::current().post_event(*this, make<WSAPISetWindowBackingStoreRequest>(client_id(), message.window_id, message.backing.shared_buffer_id, message.backing.size, message.backing.bpp, message.backing.pitch, message.backing.has_alpha_channel, message.backing.flush_immediately));
break;
case WSAPI_ClientMessage::Type::SetGlobalCursorTracking:
CEventLoop::current().post_event(*this, make<WSAPISetGlobalCursorTrackingRequest>(client_id(), message.window_id, message.value));
break;
case WSAPI_ClientMessage::Type::SetWallpaper:
if (message.text_length > (int)sizeof(message.text)) {
did_misbehave();
return false;
}
CEventLoop::current().post_event(*this, make<WSAPISetWallpaperRequest>(client_id(), String(message.text, message.text_length)));
break;
case WSAPI_ClientMessage::Type::GetWallpaper:
CEventLoop::current().post_event(*this, make<WSAPIGetWallpaperRequest>(client_id()));
break;
case WSAPI_ClientMessage::Type::SetWindowOverrideCursor:
CEventLoop::current().post_event(*this, make<WSAPISetWindowOverrideCursorRequest>(client_id(), message.window_id, (WSStandardCursor)message.cursor.cursor));
break;
case WSAPI_ClientMessage::SetWindowHasAlphaChannel:
CEventLoop::current().post_event(*this, make<WSAPISetWindowHasAlphaChannelRequest>(client_id(), message.window_id, message.value));
break;
case WSAPI_ClientMessage::Type::WM_SetActiveWindow:
CEventLoop::current().post_event(*this, make<WSWMAPISetActiveWindowRequest>(client_id(), message.wm.client_id, message.wm.window_id));
break;
case WSAPI_ClientMessage::Type::WM_SetWindowMinimized:
CEventLoop::current().post_event(*this, make<WSWMAPISetWindowMinimizedRequest>(client_id(), message.wm.client_id, message.wm.window_id, message.wm.minimized));
break;
case WSAPI_ClientMessage::Type::WM_StartWindowResize:
CEventLoop::current().post_event(*this, make<WSWMAPIStartWindowResizeRequest>(client_id(), message.wm.client_id, message.wm.window_id));
break;
case WSAPI_ClientMessage::Type::WM_PopupWindowMenu:
CEventLoop::current().post_event(*this, make<WSWMAPIPopupWindowMenuRequest>(client_id(), message.wm.client_id, message.wm.window_id, message.wm.position));
break;
case WSAPI_ClientMessage::Type::MoveWindowToFront:
CEventLoop::current().post_event(*this, make<WSAPIMoveWindowToFrontRequest>(client_id(), message.window_id));
break;
default:
break;
}
return true;
}
void WSClientConnection::handle_request(const WSAPICreateMenubarRequest&)
{
int menubar_id = m_next_menubar_id++;
auto menubar = make<WSMenuBar>(*this, menubar_id);
m_menubars.set(menubar_id, move(menubar));
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidCreateMenubar;
response.menu.menubar_id = menubar_id;
post_message(response);
}
void WSClientConnection::handle_request(const WSAPIDestroyMenubarRequest& request)
{
int menubar_id = request.menubar_id();
auto it = m_menubars.find(menubar_id);
if (it == m_menubars.end()) {
post_error("WSAPIDestroyMenubarRequest: Bad menubar ID");
return;
}
auto& menubar = *(*it).value;
WSWindowManager::the().close_menubar(menubar);
m_menubars.remove(it);
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidDestroyMenubar;
response.menu.menubar_id = menubar_id;
post_message(response);
}
void WSClientConnection::handle_request(const WSAPICreateMenuRequest& request)
{
int menu_id = m_next_menu_id++;
auto menu = make<WSMenu>(this, menu_id, request.text());
m_menus.set(menu_id, move(menu));
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidCreateMenu;
response.menu.menu_id = menu_id;
post_message(response);
}
void WSClientConnection::handle_request(const WSAPIDestroyMenuRequest& request)
{
int menu_id = static_cast<const WSAPIDestroyMenuRequest&>(request).menu_id();
auto it = m_menus.find(menu_id);
if (it == m_menus.end()) {
post_error("WSAPIDestroyMenuRequest: Bad menu ID");
return;
}
auto& menu = *(*it).value;
WSWindowManager::the().close_menu(menu);
m_menus.remove(it);
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidDestroyMenu;
response.menu.menu_id = menu_id;
post_message(response);
}
void WSClientConnection::handle_request(const WSAPISetApplicationMenubarRequest& request)
{
int menubar_id = request.menubar_id();
auto it = m_menubars.find(menubar_id);
if (it == m_menubars.end()) {
post_error("WSAPISetApplicationMenubarRequest: Bad menubar ID");
return;
}
auto& menubar = *(*it).value;
m_app_menubar = menubar.make_weak_ptr();
WSWindowManager::the().notify_client_changed_app_menubar(*this);
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidSetApplicationMenubar;
response.menu.menubar_id = menubar_id;
post_message(response);
}
void WSClientConnection::handle_request(const WSAPIAddMenuToMenubarRequest& request)
{
int menubar_id = request.menubar_id();
int menu_id = request.menu_id();
auto it = m_menubars.find(menubar_id);
auto jt = m_menus.find(menu_id);
if (it == m_menubars.end()) {
post_error("WSAPIAddMenuToMenubarRequest: Bad menubar ID");
return;
}
if (jt == m_menus.end()) {
post_error("WSAPIAddMenuToMenubarRequest: Bad menu ID");
return;
}
auto& menubar = *(*it).value;
auto& menu = *(*jt).value;
menubar.add_menu(menu);
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidAddMenuToMenubar;
response.menu.menubar_id = menubar_id;
response.menu.menu_id = menu_id;
post_message(response);
}
void WSClientConnection::handle_request(const WSAPIAddMenuItemRequest& request)
{
int menu_id = request.menu_id();
unsigned identifier = request.identifier();
auto it = m_menus.find(menu_id);
if (it == m_menus.end()) {
post_error("WSAPIAddMenuItemRequest: Bad menu ID");
return;
}
auto& menu = *(*it).value;
auto menu_item = make<WSMenuItem>(menu, identifier, request.text(), request.shortcut_text(), request.is_enabled(), request.is_checkable(), request.is_checked());
if (request.icon_buffer_id() != -1) {
auto icon_buffer = SharedBuffer::create_from_shared_buffer_id(request.icon_buffer_id());
if (!icon_buffer) {
did_misbehave();
return;
}
// FIXME: Verify that the icon buffer can accomodate a 16x16 bitmap view.
auto shared_icon = GraphicsBitmap::create_with_shared_buffer(GraphicsBitmap::Format::RGBA32, icon_buffer.release_nonnull(), { 16, 16 });
menu_item->set_icon(shared_icon);
}
menu.add_item(move(menu_item));
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidAddMenuItem;
response.menu.menu_id = menu_id;
response.menu.identifier = identifier;
post_message(response);
}
void WSClientConnection::handle_request(const WSAPIPopupMenuRequest& request)
{
int menu_id = request.menu_id();
auto position = request.position();
auto it = m_menus.find(menu_id);
if (it == m_menus.end()) {
post_error("WSAPIPopupMenuRequest: Bad menu ID");
return;
}
auto& menu = *(*it).value;
menu.popup(position);
}
void WSClientConnection::handle_request(const WSAPIDismissMenuRequest& request)
{
int menu_id = request.menu_id();
auto it = m_menus.find(menu_id);
if (it == m_menus.end()) {
post_error("WSAPIDismissMenuRequest: Bad menu ID");
return;
}
auto& menu = *(*it).value;
menu.close();
}
void WSClientConnection::handle_request(const WSAPIUpdateMenuItemRequest& request)
{
int menu_id = request.menu_id();
unsigned identifier = request.identifier();
auto it = m_menus.find(menu_id);
if (it == m_menus.end()) {
post_error("WSAPIUpdateMenuItemRequest: Bad menu ID");
return;
}
auto& menu = *(*it).value;
auto* menu_item = menu.item_with_identifier(request.identifier());
if (!menu_item) {
post_error("WSAPIUpdateMenuItemRequest: Bad menu item identifier");
return;
}
menu_item->set_text(request.text());
menu_item->set_shortcut_text(request.shortcut_text());
menu_item->set_enabled(request.is_enabled());
menu_item->set_checkable(request.is_checkable());
if (request.is_checkable())
menu_item->set_checked(request.is_checked());
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidUpdateMenuItem;
response.menu.menu_id = menu_id;
response.menu.identifier = identifier;
post_message(response);
}
void WSClientConnection::handle_request(const WSAPIAddMenuSeparatorRequest& request)
{
int menu_id = request.menu_id();
auto it = m_menus.find(menu_id);
if (it == m_menus.end()) {
post_error("WSAPIAddMenuSeparatorRequest: Bad menu ID");
return;
}
auto& menu = *(*it).value;
menu.add_item(make<WSMenuItem>(menu, WSMenuItem::Separator));
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidAddMenuSeparator;
response.menu.menu_id = menu_id;
post_message(response);
}
void WSClientConnection::handle_request(const WSAPIMoveWindowToFrontRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPIMoveWindowToFrontRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
WSWindowManager::the().move_to_front_and_make_active(window);
}
void WSClientConnection::handle_request(const WSAPISetWindowOpacityRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPISetWindowOpacityRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
window.set_opacity(request.opacity());
}
void WSClientConnection::handle_request(const WSAPISetWallpaperRequest& request)
{
WSCompositor::the().set_wallpaper(request.wallpaper(), [&](bool success) {
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidSetWallpaper;
response.value = success;
post_message(response);
});
}
void WSClientConnection::handle_request(const WSAPIGetWallpaperRequest&)
{
auto path = WSCompositor::the().wallpaper_path();
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidGetWallpaper;
ASSERT(path.length() < (int)sizeof(response.text));
memcpy(response.text, path.characters(), path.length() + 1);
response.text_length = path.length();
post_message(response);
}
void WSClientConnection::handle_request(const WSAPISetWindowTitleRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPISetWindowTitleRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
window.set_title(request.title());
}
void WSClientConnection::handle_request(const WSAPIGetWindowTitleRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPIGetWindowTitleRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidGetWindowTitle;
response.window_id = window.window_id();
ASSERT(window.title().length() < (ssize_t)sizeof(response.text));
strcpy(response.text, window.title().characters());
response.text_length = window.title().length();
post_message(response);
}
void WSClientConnection::handle_request(const WSAPISetWindowIconBitmapRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPISetWindowIconBitmapRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
auto icon_buffer = SharedBuffer::create_from_shared_buffer_id(request.icon_buffer_id());
if (!icon_buffer) {
window.set_default_icon();
} else {
window.set_icon(GraphicsBitmap::create_with_shared_buffer(GraphicsBitmap::Format::RGBA32, *icon_buffer, request.icon_size()));
}
window.frame().invalidate_title_bar();
WSWindowManager::the().tell_wm_listeners_window_icon_changed(window);
}
void WSClientConnection::handle_request(const WSAPISetWindowRectRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPISetWindowRectRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
if (window.is_fullscreen()) {
dbgprintf("WSClientConnection: Ignoring SetWindowRect request for fullscreen window\n");
return;
}
window.set_rect(request.rect());
window.request_update(request.rect());
}
void WSClientConnection::handle_request(const WSAPIGetWindowRectRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPIGetWindowRectRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidGetWindowRect;
response.window_id = window.window_id();
response.window.rect = window.rect();
post_message(response);
}
void WSClientConnection::handle_request(const WSAPISetClipboardContentsRequest& request)
{
auto shared_buffer = SharedBuffer::create_from_shared_buffer_id(request.shared_buffer_id());
if (!shared_buffer) {
post_error("WSAPISetClipboardContentsRequest: Bad shared buffer ID");
return;
}
WSClipboard::the().set_data(*shared_buffer, request.size());
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidSetClipboardContents;
response.clipboard.shared_buffer_id = shared_buffer->shared_buffer_id();
post_message(response);
}
void WSClientConnection::handle_request(const WSAPIGetClipboardContentsRequest&)
{
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidGetClipboardContents;
response.clipboard.shared_buffer_id = -1;
response.clipboard.contents_size = 0;
if (WSClipboard::the().size()) {
// FIXME: Optimize case where an app is copy/pasting within itself.
// We can just reuse the SharedBuffer then, since it will have the same peer PID.
// It would be even nicer if a SharedBuffer could have an arbitrary number of clients..
RefPtr<SharedBuffer> shared_buffer = SharedBuffer::create_with_size(WSClipboard::the().size());
ASSERT(shared_buffer);
memcpy(shared_buffer->data(), WSClipboard::the().data(), WSClipboard::the().size());
shared_buffer->seal();
shared_buffer->share_with(client_pid());
response.clipboard.shared_buffer_id = shared_buffer->shared_buffer_id();
response.clipboard.contents_size = WSClipboard::the().size();
// FIXME: This is a workaround for the fact that SharedBuffers will go away if neither side is retaining them.
// After we respond to GetClipboardContents, we have to wait for the client to ref the buffer on his side.
m_last_sent_clipboard_content = move(shared_buffer);
}
post_message(response);
}
void WSClientConnection::handle_request(const WSAPICreateWindowRequest& request)
{
int window_id = m_next_window_id++;
auto window = make<WSWindow>(*this, request.window_type(), window_id, request.is_modal(), request.is_resizable(), request.is_fullscreen());
window->set_background_color(request.background_color());
window->set_has_alpha_channel(request.has_alpha_channel());
window->set_title(request.title());
if (!request.is_fullscreen())
window->set_rect(request.rect());
window->set_show_titlebar(request.show_titlebar());
window->set_opacity(request.opacity());
window->set_size_increment(request.size_increment());
window->set_base_size(request.base_size());
window->invalidate();
m_windows.set(window_id, move(window));
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidCreateWindow;
response.window_id = window_id;
post_message(response);
}
void WSClientConnection::handle_request(const WSAPIDestroyWindowRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPIDestroyWindowRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
WSWindowManager::the().invalidate(window);
m_windows.remove(it);
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidDestroyWindow;
response.window_id = window.window_id();
post_message(response);
}
void WSClientConnection::post_paint_message(WSWindow& window)
{
auto rect_set = window.take_pending_paint_rects();
if (window.is_minimized())
return;
WSAPI_ServerMessage message;
message.type = WSAPI_ServerMessage::Type::Paint;
message.window_id = window.window_id();
auto& rects = rect_set.rects();
message.rect_count = rects.size();
for (int i = 0; i < min(WSAPI_ServerMessage::max_inline_rect_count, rects.size()); ++i)
message.rects[i] = rects[i];
message.paint.window_size = window.size();
ByteBuffer extra_data;
if (rects.size() > WSAPI_ServerMessage::max_inline_rect_count)
extra_data = ByteBuffer::wrap(&rects[WSAPI_ServerMessage::max_inline_rect_count], (rects.size() - WSAPI_ServerMessage::max_inline_rect_count) * sizeof(WSAPI_Rect));
post_message(message, extra_data);
}
void WSClientConnection::handle_request(const WSAPIInvalidateRectRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPIInvalidateRectRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
for (int i = 0; i < request.rects().size(); ++i)
window.request_update(request.rects()[i].intersected({ {}, window.size() }));
}
void WSClientConnection::handle_request(const WSAPIDidFinishPaintingNotification& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPIDidFinishPaintingNotification: Bad window ID");
return;
}
auto& window = *(*it).value;
for (auto& rect : request.rects())
WSWindowManager::the().invalidate(window, rect);
WSWindowSwitcher::the().refresh_if_needed();
}
void WSClientConnection::handle_request(const WSAPIGetWindowBackingStoreRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPIGetWindowBackingStoreRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
auto* backing_store = window.backing_store();
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidGetWindowBackingStore;
response.window_id = window_id;
response.backing.bpp = sizeof(RGBA32);
response.backing.pitch = backing_store->pitch();
response.backing.size = backing_store->size();
response.backing.has_alpha_channel = backing_store->has_alpha_channel();
response.backing.shared_buffer_id = backing_store->shared_buffer_id();
post_message(response);
}
void WSClientConnection::handle_request(const WSAPISetWindowBackingStoreRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPISetWindowBackingStoreRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
if (window.last_backing_store() && window.last_backing_store()->shared_buffer_id() == request.shared_buffer_id()) {
window.swap_backing_stores();
} else {
auto shared_buffer = SharedBuffer::create_from_shared_buffer_id(request.shared_buffer_id());
if (!shared_buffer)
return;
auto backing_store = GraphicsBitmap::create_with_shared_buffer(
request.has_alpha_channel() ? GraphicsBitmap::Format::RGBA32 : GraphicsBitmap::Format::RGB32,
*shared_buffer,
request.size());
window.set_backing_store(move(backing_store));
}
if (request.flush_immediately())
window.invalidate();
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidSetWindowBackingStore;
response.window_id = window_id;
response.backing.shared_buffer_id = request.shared_buffer_id();
post_message(response);
}
void WSClientConnection::handle_request(const WSAPISetGlobalCursorTrackingRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPISetGlobalCursorTrackingRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
window.set_global_cursor_tracking_enabled(request.value());
}
void WSClientConnection::handle_request(const WSAPISetWindowOverrideCursorRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPISetWindowOverrideCursorRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
window.set_override_cursor(WSCursor::create(request.cursor()));
}
void WSClientConnection::handle_request(const WSAPISetWindowHasAlphaChannelRequest& request)
{
int window_id = request.window_id();
auto it = m_windows.find(window_id);
if (it == m_windows.end()) {
post_error("WSAPISetWindowHasAlphaChannelRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
window.set_has_alpha_channel(request.value());
WSAPI_ServerMessage response;
response.type = WSAPI_ServerMessage::Type::DidSetWindowHasAlphaChannel;
response.window_id = window_id;
response.value = request.value();
post_message(response);
}
void WSClientConnection::handle_request(const WSWMAPISetActiveWindowRequest& request)
{
auto* client = WSClientConnection::from_client_id(request.target_client_id());
if (!client) {
post_error("WSWMAPISetActiveWindowRequest: Bad client ID");
return;
}
auto it = client->m_windows.find(request.target_window_id());
if (it == client->m_windows.end()) {
post_error("WSWMAPISetActiveWindowRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
window.set_minimized(false);
WSWindowManager::the().move_to_front_and_make_active(window);
}
void WSClientConnection::handle_request(const WSWMAPIPopupWindowMenuRequest& request)
{
auto* client = WSClientConnection::from_client_id(request.target_client_id());
if (!client) {
post_error("WSWMAPIPopupWindowMenuRequest: Bad client ID");
return;
}
auto it = client->m_windows.find(request.target_window_id());
if (it == client->m_windows.end()) {
post_error("WSWMAPIPopupWindowMenuRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
window.popup_window_menu(request.position());
}
void WSClientConnection::handle_request(const WSWMAPIStartWindowResizeRequest& request)
{
auto* client = WSClientConnection::from_client_id(request.target_client_id());
if (!client) {
post_error("WSWMAPIStartWindowResizeRequest: Bad client ID");
return;
}
auto it = client->m_windows.find(request.target_window_id());
if (it == client->m_windows.end()) {
post_error("WSWMAPIStartWindowResizeRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
// FIXME: We are cheating a bit here by using the current cursor location and hard-coding the left button.
// Maybe the client should be allowed to specify what initiated this request?
WSWindowManager::the().start_window_resize(window, WSScreen::the().cursor_location(), MouseButton::Left);
}
void WSClientConnection::handle_request(const WSWMAPISetWindowMinimizedRequest& request)
{
auto* client = WSClientConnection::from_client_id(request.target_client_id());
if (!client) {
post_error("WSWMAPISetWindowMinimizedRequest: Bad client ID");
return;
}
auto it = client->m_windows.find(request.target_window_id());
if (it == client->m_windows.end()) {
post_error("WSWMAPISetWindowMinimizedRequest: Bad window ID");
return;
}
auto& window = *(*it).value;
window.set_minimized(request.is_minimized());
}
void WSClientConnection::on_request(const WSAPIClientRequest& request)
{
switch (request.type()) {
case WSEvent::APICreateMenubarRequest:
return handle_request(static_cast<const WSAPICreateMenubarRequest&>(request));
case WSEvent::APIDestroyMenubarRequest:
return handle_request(static_cast<const WSAPIDestroyMenubarRequest&>(request));
case WSEvent::APICreateMenuRequest:
return handle_request(static_cast<const WSAPICreateMenuRequest&>(request));
case WSEvent::APIDestroyMenuRequest:
return handle_request(static_cast<const WSAPIDestroyMenuRequest&>(request));
case WSEvent::APISetApplicationMenubarRequest:
return handle_request(static_cast<const WSAPISetApplicationMenubarRequest&>(request));
case WSEvent::APIAddMenuToMenubarRequest:
return handle_request(static_cast<const WSAPIAddMenuToMenubarRequest&>(request));
case WSEvent::APIAddMenuItemRequest:
return handle_request(static_cast<const WSAPIAddMenuItemRequest&>(request));
case WSEvent::APIAddMenuSeparatorRequest:
return handle_request(static_cast<const WSAPIAddMenuSeparatorRequest&>(request));
case WSEvent::APIUpdateMenuItemRequest:
return handle_request(static_cast<const WSAPIUpdateMenuItemRequest&>(request));
case WSEvent::APISetWindowTitleRequest:
return handle_request(static_cast<const WSAPISetWindowTitleRequest&>(request));
case WSEvent::APIGetWindowTitleRequest:
return handle_request(static_cast<const WSAPIGetWindowTitleRequest&>(request));
case WSEvent::APISetWindowRectRequest:
return handle_request(static_cast<const WSAPISetWindowRectRequest&>(request));
case WSEvent::APIGetWindowRectRequest:
return handle_request(static_cast<const WSAPIGetWindowRectRequest&>(request));
case WSEvent::APISetWindowIconBitmapRequest:
return handle_request(static_cast<const WSAPISetWindowIconBitmapRequest&>(request));
case WSEvent::APISetClipboardContentsRequest:
return handle_request(static_cast<const WSAPISetClipboardContentsRequest&>(request));
case WSEvent::APIGetClipboardContentsRequest:
return handle_request(static_cast<const WSAPIGetClipboardContentsRequest&>(request));
case WSEvent::APICreateWindowRequest:
return handle_request(static_cast<const WSAPICreateWindowRequest&>(request));
case WSEvent::APIDestroyWindowRequest:
return handle_request(static_cast<const WSAPIDestroyWindowRequest&>(request));
case WSEvent::APIInvalidateRectRequest:
return handle_request(static_cast<const WSAPIInvalidateRectRequest&>(request));
case WSEvent::APIDidFinishPaintingNotification:
return handle_request(static_cast<const WSAPIDidFinishPaintingNotification&>(request));
case WSEvent::APIGetWindowBackingStoreRequest:
return handle_request(static_cast<const WSAPIGetWindowBackingStoreRequest&>(request));
case WSEvent::APISetGlobalCursorTrackingRequest:
return handle_request(static_cast<const WSAPISetGlobalCursorTrackingRequest&>(request));
case WSEvent::APISetWindowOpacityRequest:
return handle_request(static_cast<const WSAPISetWindowOpacityRequest&>(request));
case WSEvent::APISetWindowBackingStoreRequest:
return handle_request(static_cast<const WSAPISetWindowBackingStoreRequest&>(request));
case WSEvent::APISetWallpaperRequest:
return handle_request(static_cast<const WSAPISetWallpaperRequest&>(request));
case WSEvent::APIGetWallpaperRequest:
return handle_request(static_cast<const WSAPIGetWallpaperRequest&>(request));
case WSEvent::APISetWindowOverrideCursorRequest:
return handle_request(static_cast<const WSAPISetWindowOverrideCursorRequest&>(request));
case WSEvent::WMAPISetActiveWindowRequest:
return handle_request(static_cast<const WSWMAPISetActiveWindowRequest&>(request));
case WSEvent::WMAPISetWindowMinimizedRequest:
return handle_request(static_cast<const WSWMAPISetWindowMinimizedRequest&>(request));
case WSEvent::WMAPIStartWindowResizeRequest:
return handle_request(static_cast<const WSWMAPIStartWindowResizeRequest&>(request));
case WSEvent::WMAPIPopupWindowMenuRequest:
return handle_request(static_cast<const WSWMAPIPopupWindowMenuRequest&>(request));
case WSEvent::APIPopupMenuRequest:
return handle_request(static_cast<const WSAPIPopupMenuRequest&>(request));
case WSEvent::APIDismissMenuRequest:
return handle_request(static_cast<const WSAPIDismissMenuRequest&>(request));
case WSEvent::APISetWindowHasAlphaChannelRequest:
return handle_request(static_cast<const WSAPISetWindowHasAlphaChannelRequest&>(request));
case WSEvent::APIMoveWindowToFrontRequest:
return handle_request(static_cast<const WSAPIMoveWindowToFrontRequest&>(request));
default:
break;
}
}
bool WSClientConnection::is_showing_modal_window() const
{
for (auto& it : m_windows) {
auto& window = *it.value;
if (window.is_visible() && window.is_modal())
return true;
}
return false;
}
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