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server: Check for the current owner window on the server side for releases.

This commit is contained in:
Alexandre Julliard 2015-06-03 18:46:01 +09:00
parent bdf3f413af
commit 25d9fc3ecc
4 changed files with 10 additions and 21 deletions
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17
dlls/user32/clipboard.c
View File

@ -121,26 +121,15 @@ static BOOL CLIPBOARD_GetClipboardInfo(LPCLIPBOARDINFO cbInfo)
/**************************************************************************
* CLIPBOARD_ReleaseOwner
*/
BOOL CLIPBOARD_ReleaseOwner(void)
void CLIPBOARD_ReleaseOwner( HWND hwnd )
{
BOOL bRet = FALSE;
SERVER_START_REQ( set_clipboard_info )
{
req->flags = SET_CB_RELOWNER | SET_CB_SEQNO;
if (wine_server_call_err( req ))
{
ERR("Failed to set clipboard.\n");
}
else
{
bRet = TRUE;
}
req->owner = wine_server_user_handle( hwnd );
wine_server_call( req );
}
SERVER_END_REQ;
return bRet;
}

2
dlls/user32/user_private.h
View File

@ -222,7 +222,7 @@ extern HMODULE user32_module DECLSPEC_HIDDEN;
struct dce;
struct tagWND;
extern BOOL CLIPBOARD_ReleaseOwner(void) DECLSPEC_HIDDEN;
extern void CLIPBOARD_ReleaseOwner( HWND hwnd ) DECLSPEC_HIDDEN;
extern BOOL FOCUS_MouseActivate( HWND hwnd ) DECLSPEC_HIDDEN;
extern BOOL set_capture_window( HWND hwnd, UINT gui_flags, HWND *prev_ret ) DECLSPEC_HIDDEN;
extern void free_dce( struct dce *dce, HWND hwnd ) DECLSPEC_HIDDEN;

3
dlls/user32/win.c
View File

@ -1875,8 +1875,7 @@ BOOL WINAPI DestroyWindow( HWND hwnd )
WIN_SendDestroyMsg( hwnd );
if (!IsWindow( hwnd )) return TRUE;
if (GetClipboardOwner() == hwnd)
CLIPBOARD_ReleaseOwner();
CLIPBOARD_ReleaseOwner( hwnd );
/* Destroy the window storage */

9
server/clipboard.c
View File

@ -172,11 +172,12 @@ static int set_clipboard_owner( struct clipboard *clipboard, user_handle_t win )
return 1;
}
static int release_clipboard_owner( struct clipboard *clipboard )
static int release_clipboard_owner( struct clipboard *clipboard, user_handle_t win )
{
if (clipboard->open_thread && clipboard->open_thread->process != current->process)
if ((clipboard->open_thread && clipboard->open_thread->process != current->process) ||
(win && clipboard->owner_win != get_user_full_handle( win )))
{
set_error(STATUS_WAS_LOCKED);
set_win32_error( ERROR_CLIPBOARD_NOT_OPEN );
return 0;
}
clipboard->owner_win = 0;
@ -221,7 +222,7 @@ DECL_HANDLER(set_clipboard_info)
}
else if (req->flags & SET_CB_RELOWNER)
{
if (!release_clipboard_owner( clipboard )) return;
if (!release_clipboard_owner( clipboard, req->owner )) return;
}
if (req->flags & SET_CB_VIEWER) clipboard->viewer = get_user_full_handle( req->viewer );