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server: Add separate requests for opening and closing the clipboard. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2016-08-22 15:31:21 +09:00
parent bc8f74f92f
commit 7258793169
6 changed files with 153 additions and 77 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
dlls/user32/clipboard.c
View File

@ -172,33 +172,24 @@ INT WINAPI GetClipboardFormatNameA(UINT wFormat, LPSTR retStr, INT maxlen)
/**************************************************************************
* OpenClipboard (USER32.@)
*
* Note: Netscape uses NULL hWnd to open the clipboard.
*/
BOOL WINAPI OpenClipboard( HWND hWnd )
BOOL WINAPI OpenClipboard( HWND hwnd )
{
BOOL bRet;
UINT flags;
BOOL ret;
TRACE("(%p)...\n", hWnd);
TRACE( "%p\n", hwnd );
SERVER_START_REQ( set_clipboard_info )
SERVER_START_REQ( open_clipboard )
{
req->flags = SET_CB_OPEN;
req->clipboard = wine_server_user_handle( hWnd );
if ((bRet = !wine_server_call( req )))
flags = reply->flags;
req->window = wine_server_user_handle( hwnd );
if ((ret = !wine_server_call( req )))
{
if (!reply->owner) bCBHasChanged = FALSE;
}
}
SERVER_END_REQ;
if (bRet && !(flags & CB_PROCESS))
{
bCBHasChanged = FALSE;
}
TRACE(" returning %i\n", bRet);
return bRet;
return ret;
}
@ -208,26 +199,24 @@ BOOL WINAPI OpenClipboard( HWND hWnd )
BOOL WINAPI CloseClipboard(void)
{
HWND viewer = 0;
UINT flags;
BOOL ret;
BOOL ret, owner = FALSE;
TRACE("() Changed=%d\n", bCBHasChanged);
SERVER_START_REQ( set_clipboard_info )
SERVER_START_REQ( close_clipboard )
{
req->flags = SET_CB_CLOSE;
if (bCBHasChanged) req->flags |= SET_CB_SEQNO;
req->changed = bCBHasChanged;
if ((ret = !wine_server_call_err( req )))
{
viewer = wine_server_ptr_handle( reply->old_viewer );
flags = reply->flags;
viewer = wine_server_ptr_handle( reply->viewer );
owner = reply->owner;
}
}
SERVER_END_REQ;
if (!ret) return FALSE;
if (bCBHasChanged && (flags & CB_PROCESS))
if (bCBHasChanged && owner)
{
USER_Driver->pEndClipboardUpdate();
if (viewer) SendNotifyMessageW(viewer, WM_DRAWCLIPBOARD, (WPARAM) GetClipboardOwner(), 0);

40
include/wine/server_protocol.h
View File

@ -4460,14 +4460,40 @@ struct set_class_info_reply
struct open_clipboard_request
{
struct request_header __header;
user_handle_t window;
};
struct open_clipboard_reply
{
struct reply_header __header;
int owner;
char __pad_12[4];
};
struct close_clipboard_request
{
struct request_header __header;
int changed;
};
struct close_clipboard_reply
{
struct reply_header __header;
user_handle_t viewer;
int owner;
};
struct set_clipboard_info_request
{
struct request_header __header;
unsigned int flags;
user_handle_t clipboard;
user_handle_t owner;
user_handle_t viewer;
unsigned int seqno;
};
struct set_clipboard_info_reply
{
@ -4480,11 +4506,9 @@ struct set_clipboard_info_reply
char __pad_28[4];
};
#define SET_CB_OPEN 0x001
#define SET_CB_VIEWER 0x004
#define SET_CB_SEQNO 0x008
#define SET_CB_RELOWNER 0x010
#define SET_CB_CLOSE 0x020
#define CB_OPEN 0x040
#define CB_OWNER 0x080
#define CB_PROCESS 0x100
@ -5631,6 +5655,8 @@ enum request
REQ_create_class,
REQ_destroy_class,
REQ_set_class_info,
REQ_open_clipboard,
REQ_close_clipboard,
REQ_set_clipboard_info,
REQ_empty_clipboard,
REQ_open_token,
@ -5911,6 +5937,8 @@ union generic_request
struct create_class_request create_class_request;
struct destroy_class_request destroy_class_request;
struct set_class_info_request set_class_info_request;
struct open_clipboard_request open_clipboard_request;
struct close_clipboard_request close_clipboard_request;
struct set_clipboard_info_request set_clipboard_info_request;
struct empty_clipboard_request empty_clipboard_request;
struct open_token_request open_token_request;
@ -6189,6 +6217,8 @@ union generic_reply
struct create_class_reply create_class_reply;
struct destroy_class_reply destroy_class_reply;
struct set_class_info_reply set_class_info_reply;
struct open_clipboard_reply open_clipboard_reply;
struct close_clipboard_reply close_clipboard_reply;
struct set_clipboard_info_reply set_clipboard_info_reply;
struct empty_clipboard_reply empty_clipboard_reply;
struct open_token_reply open_token_reply;
@ -6250,6 +6280,6 @@ union generic_reply
struct terminate_job_reply terminate_job_reply;
};
#define SERVER_PROTOCOL_VERSION 509
#define SERVER_PROTOCOL_VERSION 510
#endif /* __WINE_WINE_SERVER_PROTOCOL_H */

76
server/clipboard.c
View File

@ -137,31 +137,6 @@ void cleanup_clipboard_thread(struct thread *thread)
release_object( winstation );
}
static int open_clipboard( struct clipboard *clipboard, user_handle_t win )
{
win = get_user_full_handle( win );
if (clipboard->open_thread && clipboard->open_win != win)
{
set_error(STATUS_WAS_LOCKED);
return 0;
}
clipboard->open_win = win;
clipboard->open_thread = current;
return 1;
}
static int close_clipboard( struct clipboard *clipboard )
{
if (clipboard->open_thread != current)
{
set_win32_error( ERROR_CLIPBOARD_NOT_OPEN );
return 0;
}
clipboard->open_thread = NULL;
clipboard->open_win = 0;
return 1;
}
static int release_clipboard_owner( struct clipboard *clipboard, user_handle_t win )
{
if ((clipboard->open_thread && clipboard->open_thread->process != current->process) ||
@ -187,6 +162,48 @@ static int get_seqno( struct clipboard *clipboard )
}
/* open the clipboard */
DECL_HANDLER(open_clipboard)
{
struct clipboard *clipboard = get_process_clipboard();
user_handle_t win;
if (!clipboard) return;
win = get_user_full_handle( req->window );
if (clipboard->open_thread && clipboard->open_win != win)
{
set_error( STATUS_WAS_LOCKED );
return;
}
clipboard->open_win = win;
clipboard->open_thread = current;
reply->owner = (clipboard->owner_thread && clipboard->owner_thread->process == current->process);
}
/* close the clipboard */
DECL_HANDLER(close_clipboard)
{
struct clipboard *clipboard = get_process_clipboard();
if (!clipboard) return;
if (clipboard->open_thread != current)
{
set_win32_error( ERROR_CLIPBOARD_NOT_OPEN );
return;
}
if (req->changed) clipboard->seqno++;
clipboard->open_thread = NULL;
clipboard->open_win = 0;
reply->viewer = clipboard->viewer;
reply->owner = (clipboard->owner_thread && clipboard->owner_thread->process == current->process);
}
DECL_HANDLER(set_clipboard_info)
{
struct clipboard *clipboard = get_process_clipboard();
@ -197,15 +214,6 @@ DECL_HANDLER(set_clipboard_info)
reply->old_owner = clipboard->owner_win;
reply->old_viewer = clipboard->viewer;
if (req->flags & SET_CB_OPEN)
{
if (!open_clipboard( clipboard, req->clipboard )) return;
}
else if (req->flags & SET_CB_CLOSE)
{
if (!close_clipboard( clipboard )) return;
}
if (req->flags & SET_CB_RELOWNER)
{
if (!release_clipboard_owner( clipboard, req->owner )) return;

21
server/protocol.def
View File

@ -3158,13 +3158,28 @@ enum caret_state
#define SET_CLASS_EXTRA 0x0010
/* Open the clipboard */
@REQ(open_clipboard)
user_handle_t window; /* clipboard window */
@REPLY
int owner; /* is the process already the owner? */
@END
/* Close the clipboard */
@REQ(close_clipboard)
int changed; /* did it change since the open? */
@REPLY
user_handle_t viewer; /* first clipboard viewer */
int owner; /* is the process already the owner? */
@END
/* Set/get clipboard information */
@REQ(set_clipboard_info)
unsigned int flags; /* flags for fields to set (see below) */
user_handle_t clipboard; /* clipboard window */
user_handle_t owner; /* clipboard owner */
user_handle_t viewer; /* first clipboard viewer */
unsigned int seqno; /* change sequence number */
@REPLY
unsigned int flags; /* status flags (see below) */
user_handle_t old_clipboard; /* old clipboard window */
@ -3173,11 +3188,9 @@ enum caret_state
unsigned int seqno; /* current sequence number */
@END
#define SET_CB_OPEN 0x001
#define SET_CB_VIEWER 0x004
#define SET_CB_SEQNO 0x008
#define SET_CB_RELOWNER 0x010
#define SET_CB_CLOSE 0x020
#define CB_OPEN 0x040
#define CB_OWNER 0x080
#define CB_PROCESS 0x100

21
server/request.h
View File

@ -326,6 +326,8 @@ DECL_HANDLER(get_hook_info);
DECL_HANDLER(create_class);
DECL_HANDLER(destroy_class);
DECL_HANDLER(set_class_info);
DECL_HANDLER(open_clipboard);
DECL_HANDLER(close_clipboard);
DECL_HANDLER(set_clipboard_info);
DECL_HANDLER(empty_clipboard);
DECL_HANDLER(open_token);
@ -605,6 +607,8 @@ static const req_handler req_handlers[REQ_NB_REQUESTS] =
(req_handler)req_create_class,
(req_handler)req_destroy_class,
(req_handler)req_set_class_info,
(req_handler)req_open_clipboard,
(req_handler)req_close_clipboard,
(req_handler)req_set_clipboard_info,
(req_handler)req_empty_clipboard,
(req_handler)req_open_token,
@ -2010,12 +2014,19 @@ C_ASSERT( FIELD_OFFSET(struct set_class_info_reply, old_win_extra) == 20 );
C_ASSERT( FIELD_OFFSET(struct set_class_info_reply, old_instance) == 24 );
C_ASSERT( FIELD_OFFSET(struct set_class_info_reply, old_extra_value) == 32 );
C_ASSERT( sizeof(struct set_class_info_reply) == 40 );
C_ASSERT( FIELD_OFFSET(struct open_clipboard_request, window) == 12 );
C_ASSERT( sizeof(struct open_clipboard_request) == 16 );
C_ASSERT( FIELD_OFFSET(struct open_clipboard_reply, owner) == 8 );
C_ASSERT( sizeof(struct open_clipboard_reply) == 16 );
C_ASSERT( FIELD_OFFSET(struct close_clipboard_request, changed) == 12 );
C_ASSERT( sizeof(struct close_clipboard_request) == 16 );
C_ASSERT( FIELD_OFFSET(struct close_clipboard_reply, viewer) == 8 );
C_ASSERT( FIELD_OFFSET(struct close_clipboard_reply, owner) == 12 );
C_ASSERT( sizeof(struct close_clipboard_reply) == 16 );
C_ASSERT( FIELD_OFFSET(struct set_clipboard_info_request, flags) == 12 );
C_ASSERT( FIELD_OFFSET(struct set_clipboard_info_request, clipboard) == 16 );
C_ASSERT( FIELD_OFFSET(struct set_clipboard_info_request, owner) == 20 );
C_ASSERT( FIELD_OFFSET(struct set_clipboard_info_request, viewer) == 24 );
C_ASSERT( FIELD_OFFSET(struct set_clipboard_info_request, seqno) == 28 );
C_ASSERT( sizeof(struct set_clipboard_info_request) == 32 );
C_ASSERT( FIELD_OFFSET(struct set_clipboard_info_request, owner) == 16 );
C_ASSERT( FIELD_OFFSET(struct set_clipboard_info_request, viewer) == 20 );
C_ASSERT( sizeof(struct set_clipboard_info_request) == 24 );
C_ASSERT( FIELD_OFFSET(struct set_clipboard_info_reply, flags) == 8 );
C_ASSERT( FIELD_OFFSET(struct set_clipboard_info_reply, old_clipboard) == 12 );
C_ASSERT( FIELD_OFFSET(struct set_clipboard_info_reply, old_owner) == 16 );

29
server/trace.c
View File

@ -3734,13 +3734,32 @@ static void dump_set_class_info_reply( const struct set_class_info_reply *req )
dump_uint64( ", old_extra_value=", &req->old_extra_value );
}
static void dump_open_clipboard_request( const struct open_clipboard_request *req )
{
fprintf( stderr, " window=%08x", req->window );
}
static void dump_open_clipboard_reply( const struct open_clipboard_reply *req )
{
fprintf( stderr, " owner=%d", req->owner );
}
static void dump_close_clipboard_request( const struct close_clipboard_request *req )
{
fprintf( stderr, " changed=%d", req->changed );
}
static void dump_close_clipboard_reply( const struct close_clipboard_reply *req )
{
fprintf( stderr, " viewer=%08x", req->viewer );
fprintf( stderr, ", owner=%d", req->owner );
}
static void dump_set_clipboard_info_request( const struct set_clipboard_info_request *req )
{
fprintf( stderr, " flags=%08x", req->flags );
fprintf( stderr, ", clipboard=%08x", req->clipboard );
fprintf( stderr, ", owner=%08x", req->owner );
fprintf( stderr, ", viewer=%08x", req->viewer );
fprintf( stderr, ", seqno=%08x", req->seqno );
}
static void dump_set_clipboard_info_reply( const struct set_clipboard_info_reply *req )
@ -4579,6 +4598,8 @@ static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_create_class_request,
(dump_func)dump_destroy_class_request,
(dump_func)dump_set_class_info_request,
(dump_func)dump_open_clipboard_request,
(dump_func)dump_close_clipboard_request,
(dump_func)dump_set_clipboard_info_request,
(dump_func)dump_empty_clipboard_request,
(dump_func)dump_open_token_request,
@ -4855,6 +4876,8 @@ static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_create_class_reply,
(dump_func)dump_destroy_class_reply,
(dump_func)dump_set_class_info_reply,
(dump_func)dump_open_clipboard_reply,
(dump_func)dump_close_clipboard_reply,
(dump_func)dump_set_clipboard_info_reply,
NULL,
(dump_func)dump_open_token_reply,
@ -5131,6 +5154,8 @@ static const char * const req_names[REQ_NB_REQUESTS] = {
"create_class",
"destroy_class",
"set_class_info",
"open_clipboard",
"close_clipboard",
"set_clipboard_info",
"empty_clipboard",
"open_token",