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17aea318aa
The data device is initialized once for each process, from within a dedicated thread and window that handles clipboard events.
115 lines
3.6 KiB
C
115 lines
3.6 KiB
C
/*
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* winewayland.drv entry points
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*
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* Copyright 2022 Alexandros Frantzis for Collabora Ltd
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "waylanddrv_dll.h"
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#include "ntuser.h"
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#include "winuser.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(waylanddrv);
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static DWORD WINAPI wayland_read_events_thread(void *arg)
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{
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WAYLANDDRV_UNIX_CALL(read_events, NULL);
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/* This thread terminates only if an unrecoverable error occurred
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* during event reading (e.g., the connection to the Wayland
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* compositor is broken). */
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ERR("Failed to read events from the compositor, terminating process\n");
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TerminateProcess(GetCurrentProcess(), 1);
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return 0;
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}
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static LRESULT CALLBACK clipboard_wndproc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp)
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{
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switch (msg)
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{
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case WM_NCCREATE:
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case WM_CLIPBOARDUPDATE:
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case WM_RENDERFORMAT:
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case WM_TIMER:
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case WM_DESTROYCLIPBOARD:
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case WM_USER:
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return NtUserMessageCall(hwnd, msg, wp, lp, 0, NtUserClipboardWindowProc, FALSE);
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}
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return DefWindowProcW(hwnd, msg, wp, lp);
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}
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static DWORD WINAPI clipboard_thread(void *arg)
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{
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static const WCHAR clipboard_classname[] = L"__winewayland_clipboard_manager";
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WNDCLASSW class;
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ATOM atom;
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MSG msg;
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HWND hwnd;
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memset(&class, 0, sizeof(class));
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class.lpfnWndProc = clipboard_wndproc;
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class.lpszClassName = clipboard_classname;
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if (!(atom = RegisterClassW(&class)) && GetLastError() != ERROR_CLASS_ALREADY_EXISTS)
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{
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ERR("could not register clipboard window class err %lu\n", GetLastError());
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return 0;
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}
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/* The HWND_MESSAGE parent window may not have been created yet. It will be
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* created eventually, so keep trying. */
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while (!(hwnd = CreateWindowW(clipboard_classname, NULL, 0, 0, 0, 0, 0,
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HWND_MESSAGE, 0, 0, NULL)) &&
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GetLastError() == ERROR_INVALID_WINDOW_HANDLE)
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{
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SwitchToThread();
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}
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if (!hwnd)
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{
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TRACE("failed to create clipboard window err %lu\n", GetLastError());
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UnregisterClassW(MAKEINTRESOURCEW(atom), NULL);
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return 0;
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}
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TRACE("created per-process clipboard window hwnd=%p\n", hwnd);
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while (GetMessageW(&msg, 0, 0, 0)) DispatchMessageW(&msg);
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return 0;
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}
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BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, void *reserved)
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{
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DWORD tid;
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if (reason != DLL_PROCESS_ATTACH) return TRUE;
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DisableThreadLibraryCalls(instance);
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if (__wine_init_unix_call()) return FALSE;
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if (WAYLANDDRV_UNIX_CALL(init, NULL))
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return FALSE;
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/* Read wayland events from a dedicated thread. */
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CloseHandle(CreateThread(NULL, 0, wayland_read_events_thread, NULL, 0, &tid));
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/* Handle clipboard events in a dedicated thread, if needed. */
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if (!WAYLANDDRV_UNIX_CALL(init_clipboard, NULL))
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CloseHandle(CreateThread(NULL, 0, clipboard_thread, NULL, 0, &tid));
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return TRUE;
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}
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