mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 06:17:35 +00:00
WindowServer: Convert entire API to be message-based.
One big step towards userspace WindowServer. :^)
This commit is contained in:
Andreas Kling
parent
ef4e9860fd
commit
f529b845ec
25 changed files with 508 additions and 625 deletions
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@ -16,262 +16,11 @@ void Process::initialize_gui_statics()
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new WSMessageLoop;
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}
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int Process::make_window_id()
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{
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int new_id = m_next_window_id++;
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while (!new_id || m_windows.contains(new_id)) {
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new_id = m_next_window_id++;
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if (new_id < 0)
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new_id = 1;
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}
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return new_id;
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}
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static void wait_for_gui_server()
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{
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// FIXME: Time out after a while and return an error.
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while (!WSMessageLoop::the().running())
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sleep(10);
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}
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int Process::gui$create_window(const GUI_WindowParameters* user_params)
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{
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wait_for_gui_server();
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if (!validate_read_typed(user_params))
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return -EFAULT;
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auto params = *user_params;
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Rect rect = params.rect;
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if (rect.is_empty())
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return -EINVAL;
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ProcessPagingScope scope(WSMessageLoop::the().server_process());
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int window_id = make_window_id();
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if (!window_id)
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return -ENOMEM;
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auto window = make<WSWindow>(*this, window_id);
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if (!window)
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return -ENOMEM;
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window->set_title(params.title);
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window->set_rect(rect);
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m_windows.set(window_id, move(window));
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#ifdef LOG_GUI_SYSCALLS
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dbgprintf("%s<%u> gui$create_window: %d with rect {%d,%d %dx%d}\n", name().characters(), pid(), window_id, rect.x(), rect.y(), rect.width(), rect.height());
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#endif
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return window_id;
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}
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int Process::gui$destroy_window(int window_id)
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{
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#ifdef LOG_GUI_SYSCALLS
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dbgprintf("%s<%u> gui$destroy_window (window_id=%d)\n", name().characters(), pid(), window_id);
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#endif
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if (window_id < 0)
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return -EINVAL;
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auto it = m_windows.find(window_id);
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if (it == m_windows.end())
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return -EBADWINDOW;
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auto message = make<WSMessage>(WSMessage::WM_DestroyWindow);
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WSMessageLoop::the().post_message((*it).value.leak_ptr(), move(message));
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m_windows.remove(window_id);
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return 0;
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}
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int Process::gui$get_window_backing_store(int window_id, GUI_WindowBackingStoreInfo* info)
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{
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#ifdef LOG_GUI_SYSCALLS
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dbgprintf("%s<%u> gui$get_window_backing_store (window_id=%d, info=%p)\n", name().characters(), pid(), window_id, info);
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#endif
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if (!validate_write_typed(info))
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return -EFAULT;
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if (window_id < 0)
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return -EINVAL;
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auto it = m_windows.find(window_id);
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if (it == m_windows.end())
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return -EBADWINDOW;
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auto& window = *(*it).value;
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WSWindowLocker locker(window);
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auto* backing_store = window.backing();
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#ifdef BACKING_STORE_DEBUG
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dbgprintf("%s<%u> +++ %p[%d] (%dx%d)\n", name().characters(), pid(), backing_store, backing_store->width(), backing_store->height());
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#endif
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m_retained_backing_stores.append(backing_store);
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info->backing_store_id = backing_store;
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info->bpp = sizeof(RGBA32);
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info->pitch = backing_store->pitch();
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info->size = backing_store->size();
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info->pixels = reinterpret_cast<RGBA32*>(backing_store->client_region()->laddr().as_ptr());
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return 0;
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}
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int Process::gui$release_window_backing_store(void* backing_store_id)
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{
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for (size_t i = 0; i < m_retained_backing_stores.size(); ++i) {
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if (m_retained_backing_stores[i].ptr() == backing_store_id) {
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#ifdef BACKING_STORE_DEBUG
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auto* backing_store = m_retained_backing_stores[i].ptr();
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dbgprintf("%s<%u> --- %p (%dx%d)\n", name().characters(), pid(), backing_store, backing_store->width(), backing_store->height());
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#endif
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m_retained_backing_stores.remove(i);
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return 0;
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}
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}
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return -EBADBACKING;
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}
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int Process::gui$invalidate_window(int window_id, const GUI_Rect* a_rect)
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{
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if (window_id < 0)
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return -EINVAL;
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if (a_rect && !validate_read_typed(a_rect))
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return -EFAULT;
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auto it = m_windows.find(window_id);
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if (it == m_windows.end())
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return -EBADWINDOW;
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#ifdef LOG_GUI_SYSCALLS
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if (!a_rect)
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dbgprintf("%s<%u> gui$invalidate_window (window_id=%d, rect=(entire))\n", name().characters(), pid(), window_id);
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else
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dbgprintf("%s<%u> gui$invalidate_window (window_id=%d, rect={%d,%d %dx%d})\n", name().characters(), pid(), window_id, a_rect->location.x, a_rect->location.y, a_rect->size.width, a_rect->size.height);
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#endif
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auto& window = *(*it).value;
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Rect rect;
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if (a_rect)
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rect = *a_rect;
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WSMessageLoop::the().post_message(&window, make<WSClientWantsToPaintMessage>(rect));
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WSMessageLoop::the().server_process().request_wakeup();
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return 0;
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}
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int Process::gui$notify_paint_finished(int window_id, const GUI_Rect* a_rect)
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{
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if (window_id < 0)
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return -EINVAL;
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if (a_rect && !validate_read_typed(a_rect))
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return -EFAULT;
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auto it = m_windows.find(window_id);
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if (it == m_windows.end())
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return -EBADWINDOW;
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#ifdef LOG_GUI_SYSCALLS
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if (!a_rect)
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dbgprintf("%s<%u> gui$notify_paint_finished (window_id=%d, rect=(entire))\n", name().characters(), pid(), window_id);
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else
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dbgprintf("%s<%u> gui$notify_paint_finished (window_id=%d, rect={%d,%d %dx%d})\n", name().characters(), pid(), window_id, a_rect->location.x, a_rect->location.y, a_rect->size.width, a_rect->size.height);
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#endif
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auto& window = *(*it).value;
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Rect rect;
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if (a_rect)
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rect = *a_rect;
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WSMessageLoop::the().post_message(&window, make<WSClientFinishedPaintMessage>(rect));
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WSMessageLoop::the().server_process().request_wakeup();
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return 0;
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}
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int Process::gui$get_window_title(int window_id, char* buffer, size_t size)
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{
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if (window_id < 0)
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return -EINVAL;
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if (!validate_write(buffer, size))
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return -EFAULT;
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auto it = m_windows.find(window_id);
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if (it == m_windows.end())
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return -EBADWINDOW;
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auto& window = *(*it).value;
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String title;
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{
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WSWindowLocker locker(window);
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title = window.title();
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}
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if (title.length() > size)
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return -ERANGE;
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memcpy(buffer, title.characters(), title.length());
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return title.length();
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}
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int Process::gui$set_window_title(int window_id, const char* title, size_t size)
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{
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if (window_id < 0)
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return -EINVAL;
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if (!validate_read(title, size))
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return -EFAULT;
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auto it = m_windows.find(window_id);
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if (it == m_windows.end())
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return -EBADWINDOW;
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auto& window = *(*it).value;
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String new_title(title, size);
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WSMessageLoop::the().post_message(&window, make<WSSetWindowTitleMessage>(move(new_title)));
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WSMessageLoop::the().server_process().request_wakeup();
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return 0;
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}
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int Process::gui$get_window_rect(int window_id, GUI_Rect* rect)
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{
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if (window_id < 0)
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return -EINVAL;
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if (!validate_write_typed(rect))
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return -EFAULT;
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auto it = m_windows.find(window_id);
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if (it == m_windows.end())
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return -EBADWINDOW;
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auto& window = *(*it).value;
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{
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WSWindowLocker locker(window);
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*rect = window.rect();
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}
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return 0;
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}
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int Process::gui$set_window_rect(int window_id, const GUI_Rect* rect)
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{
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if (window_id < 0)
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return -EINVAL;
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if (!validate_read_typed(rect))
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return -EFAULT;
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auto it = m_windows.find(window_id);
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if (it == m_windows.end())
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return -EBADWINDOW;
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auto& window = *(*it).value;
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Rect new_rect = *rect;
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WSMessageLoop::the().post_message(&window, make<WSSetWindowRectMessage>(new_rect));
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WSMessageLoop::the().server_process().request_wakeup();
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return 0;
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}
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int Process::gui$set_global_cursor_tracking_enabled(int window_id, bool enabled)
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{
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if (window_id < 0)
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return -EINVAL;
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auto it = m_windows.find(window_id);
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if (it == m_windows.end())
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return -EBADWINDOW;
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auto& window = *(*it).value;
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WSWindowLocker locker(window);
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window.set_global_cursor_tracking_enabled(enabled);
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return 0;
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}
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void Process::destroy_all_menus()
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void Process::destroy_all_windows()
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{
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if (!WSMessageLoop::the().running())
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return;
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WSWindowManager::the().destroy_all_menus(*this);
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}
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void Process::destroy_all_windows()
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{
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for (auto& it : m_windows) {
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auto message = make<WSMessage>(WSMessage::WM_DestroyWindow);
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it.value->notify_process_died(Badge<Process>());
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WSMessageLoop::the().post_message(it.value.leak_ptr(), move(message));
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}
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m_windows.clear();
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WSMessageLoop::the().notify_client_died(gui_client_id());
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}
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DisplayInfo Process::set_video_resolution(int width, int height)
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