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winemac: Implement the UpdateClipboard entry point to have the clipboard manager update its status. 

Signed-off-by: Ken Thomases <ken@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Ken Thomases 2016-10-23 13:03:33 -05:00 committed by Alexandre Julliard
parent fa573553bc
commit e7568d342a
2 changed files with 290 additions and 2 deletions
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291
dlls/winemac.drv/clipboard.c
View File

@ -59,6 +59,8 @@ typedef struct _WINE_CLIPFORMAT
* Constants
**************************************************************************/
#define CLIPBOARD_UPDATE_DELAY 2000 /* delay between checks of the Mac pasteboard */
/**************************************************************************
* Forward Function Declarations
@ -195,6 +197,7 @@ static macdrv_window clipboard_cocoa_window;
static ULONG64 last_clipboard_update;
static WINE_CLIPFORMAT **current_mac_formats;
static unsigned int nb_current_mac_formats;
static WCHAR clipboard_pipe_name[256];
/**************************************************************************
@ -1632,6 +1635,36 @@ static BOOL grab_win32_clipboard(void)
}
/**************************************************************************
* update_clipboard
*
* Periodically update the clipboard while the clipboard is owned by a
* Mac app.
*/
static BOOL update_clipboard(void)
{
static BOOL updating;
BOOL ret = TRUE;
TRACE("is_clipboard_owner %d last_clipboard_update %llu now %llu\n",
is_clipboard_owner, last_clipboard_update, GetTickCount64());
if (updating) return TRUE;
updating = TRUE;
if (is_clipboard_owner)
{
if (GetTickCount64() - last_clipboard_update > CLIPBOARD_UPDATE_DELAY)
ret = grab_win32_clipboard();
}
else if (!macdrv_is_pasteboard_owner())
ret = grab_win32_clipboard();
updating = FALSE;
return ret;
}
/**************************************************************************
* clipboard_wndproc
*
@ -1688,6 +1721,42 @@ static BOOL wait_clipboard_mutex(void)
}
/**************************************************************************
* init_pipe_name
*
* Init-once helper for get_pipe_name.
*/
static BOOL CALLBACK init_pipe_name(INIT_ONCE* once, void* param, void** context)
{
static const WCHAR prefix[] = {'\\','\\','.','\\','p','i','p','e','\\','_','_','w','i','n','e','_','c','l','i','p','b','o','a','r','d','_'};
memcpy(clipboard_pipe_name, prefix, sizeof(prefix));
if (!GetUserObjectInformationW(GetProcessWindowStation(), UOI_NAME,
clipboard_pipe_name + sizeof(prefix) / sizeof(WCHAR),
sizeof(clipboard_pipe_name) - sizeof(prefix), NULL))
{
ERR("failed to get winstation name\n");
return FALSE;
}
return TRUE;
}
/**************************************************************************
* get_pipe_name
*
* Get the name of the pipe used to communicate with the per-window-station
* clipboard manager thread.
*/
static const WCHAR* get_pipe_name(void)
{
static INIT_ONCE once = INIT_ONCE_STATIC_INIT;
InitOnceExecuteOnce(&once, init_pipe_name, NULL, NULL);
return clipboard_pipe_name[0] ? clipboard_pipe_name : NULL;
}
/**************************************************************************
* clipboard_thread
*
@ -1698,6 +1767,11 @@ static DWORD WINAPI clipboard_thread(void *arg)
static const WCHAR clipboard_classname[] = {'_','_','w','i','n','e','_','c','l','i','p','b','o','a','r','d','_','m','a','n','a','g','e','r',0};
WNDCLASSW class;
struct macdrv_window_features wf;
const WCHAR* pipe_name;
HANDLE pipe = NULL;
HANDLE event = NULL;
OVERLAPPED overlapped;
BOOL need_connect = TRUE, pending = FALSE;
MSG msg;
if (!wait_clipboard_mutex()) return 0;
@ -1727,16 +1801,103 @@ static DWORD WINAPI clipboard_thread(void *arg)
goto done;
}
pipe_name = get_pipe_name();
if (!pipe_name)
{
ERR("failed to get pipe name\n");
goto done;
}
pipe = CreateNamedPipeW(pipe_name, PIPE_ACCESS_OUTBOUND | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE, PIPE_UNLIMITED_INSTANCES, 1, 1, 0, NULL);
if (!pipe)
{
ERR("failed to create named pipe: %u\n", GetLastError());
goto done;
}
event = CreateEventW(NULL, TRUE, FALSE, NULL);
if (!event)
{
ERR("failed to create event: %d\n", GetLastError());
goto done;
}
clipboard_thread_id = GetCurrentThreadId();
AddClipboardFormatListener(clipboard_hwnd);
register_builtin_formats();
grab_win32_clipboard();
TRACE("clipboard thread %04x running\n", GetCurrentThreadId());
while (GetMessageW(&msg, NULL, 0, 0))
DispatchMessageW(&msg);
while (1)
{
DWORD result;
if (need_connect)
{
pending = FALSE;
memset(&overlapped, 0, sizeof(overlapped));
overlapped.hEvent = event;
if (ConnectNamedPipe(pipe, &overlapped))
{
ERR("asynchronous ConnectNamedPipe unexpectedly returned true: %d\n", GetLastError());
ResetEvent(event);
}
else
{
result = GetLastError();
switch (result)
{
case ERROR_PIPE_CONNECTED:
case ERROR_NO_DATA:
SetEvent(event);
need_connect = FALSE;
break;
case ERROR_IO_PENDING:
need_connect = FALSE;
pending = TRUE;
break;
default:
ERR("failed to initiate pipe connection: %d\n", result);
break;
}
}
}
result = MsgWaitForMultipleObjectsEx(1, &event, INFINITE, QS_ALLINPUT, MWMO_ALERTABLE | MWMO_INPUTAVAILABLE);
switch (result)
{
case WAIT_OBJECT_0:
{
DWORD written;
if (pending && !GetOverlappedResult(pipe, &overlapped, &written, FALSE))
ERR("failed to connect pipe: %d\n", GetLastError());
update_clipboard();
DisconnectNamedPipe(pipe);
need_connect = TRUE;
break;
}
case WAIT_OBJECT_0 + 1:
while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE))
{
if (msg.message == WM_QUIT)
goto done;
DispatchMessageW(&msg);
}
break;
case WAIT_IO_COMPLETION:
break;
default:
ERR("failed to wait for connection or input: %d\n", GetLastError());
break;
}
}
done:
if (event) CloseHandle(event);
if (pipe) CloseHandle(pipe);
macdrv_destroy_cocoa_window(clipboard_cocoa_window);
DestroyWindow(clipboard_hwnd);
return 0;
@ -1748,6 +1909,132 @@ done:
**************************************************************************/
/**************************************************************************
* macdrv_UpdateClipboard
*/
void CDECL macdrv_UpdateClipboard(void)
{
static ULONG last_update;
ULONG now, end;
const WCHAR* pipe_name;
HANDLE pipe;
BYTE dummy;
DWORD count;
OVERLAPPED overlapped = { 0 };
BOOL canceled = FALSE;
if (GetCurrentThreadId() == clipboard_thread_id) return;
TRACE("\n");
now = GetTickCount();
if ((int)(now - last_update) <= CLIPBOARD_UPDATE_DELAY) return;
last_update = now;
if (!(pipe_name = get_pipe_name())) return;
pipe = CreateFileW(pipe_name, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, NULL);
if (!pipe)
{
WARN("failed to open pipe to clipboard manager: %d\n", GetLastError());
return;
}
overlapped.hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
if (!overlapped.hEvent)
{
ERR("failed to create event: %d\n", GetLastError());
goto done;
}
/* We expect the read to fail because the server just closes our connection. This
is just waiting for that close to happen. */
if (ReadFile(pipe, &dummy, sizeof(dummy), NULL, &overlapped))
{
WARN("asynchronous ReadFile unexpectedly returned true: %d\n", GetLastError());
goto done;
}
else
{
DWORD error = GetLastError();
if (error == ERROR_PIPE_NOT_CONNECTED || error == ERROR_BROKEN_PIPE)
{
/* The server accepted, handled, and closed our connection before we
attempted the read, which is fine. */
goto done;
}
else if (error != ERROR_IO_PENDING)
{
ERR("failed to initiate read from pipe: %d\n", error);
goto done;
}
}
end = now + 500;
while (1)
{
DWORD result, timeout;
if (canceled)
timeout = INFINITE;
else
{
now = GetTickCount();
timeout = end - now;
if ((int)timeout < 0)
timeout = 0;
}
result = MsgWaitForMultipleObjectsEx(1, &overlapped.hEvent, timeout, QS_SENDMESSAGE, MWMO_ALERTABLE);
switch (result)
{
case WAIT_OBJECT_0:
{
if (GetOverlappedResult(pipe, &overlapped, &count, FALSE))
WARN("unexpectedly succeeded in reading from pipe\n");
else
{
result = GetLastError();
if (result != ERROR_BROKEN_PIPE && result != ERROR_OPERATION_ABORTED)
WARN("failed to read from pipe: %d\n", result);
}
goto done;
}
case WAIT_OBJECT_0 + 1:
{
MSG msg;
while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE | PM_QS_SENDMESSAGE))
DispatchMessageW(&msg);
break;
}
case WAIT_IO_COMPLETION:
break;
case WAIT_TIMEOUT:
WARN("timed out waiting for read\n");
CancelIoEx(pipe, &overlapped);
canceled = TRUE;
break;
default:
if (canceled)
{
ERR("failed to wait for cancel: %d\n", GetLastError());
goto done;
}
ERR("failed to wait for read: %d\n", GetLastError());
CancelIoEx(pipe, &overlapped);
canceled = TRUE;
break;
}
}
done:
if (overlapped.hEvent) CloseHandle(overlapped.hEvent);
CloseHandle(pipe);
}
/**************************************************************************
* MACDRV Private Clipboard Exports
**************************************************************************/

1
dlls/winemac.drv/winemac.drv.spec
View File

@ -38,6 +38,7 @@
@ cdecl ThreadDetach() macdrv_ThreadDetach
@ cdecl ToUnicodeEx(long long ptr ptr long long long) macdrv_ToUnicodeEx
@ cdecl UnregisterHotKey(long long long) macdrv_UnregisterHotKey
@ cdecl UpdateClipboard() macdrv_UpdateClipboard
@ cdecl UpdateLayeredWindow(long ptr ptr) macdrv_UpdateLayeredWindow
@ cdecl VkKeyScanEx(long long) macdrv_VkKeyScanEx
@ cdecl WindowMessage(long long long long) macdrv_WindowMessage