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winex11: Create a new message window every time we change clipping to avoid stale notifications.

This commit is contained in:
Alexandre Julliard 2011-07-18 21:19:55 +02:00
parent d385675f36
commit dc801b9831
1 changed files with 15 additions and 37 deletions
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52
dlls/winex11.drv/mouse.c
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@ -359,27 +359,6 @@ static void disable_xinput2(void)
#endif
}
/***********************************************************************
* create_clipping_msg_window
*/
static HWND create_clipping_msg_window(void)
{
static const WCHAR class_name[] = {'_','_','x','1','1','d','r','v','_','c','l','i','p','_','c','l','a','s','s',0};
static ATOM clip_class;
if (!clip_class)
{
WNDCLASSW class;
ATOM atom;
memset( &class, 0, sizeof(class) );
class.lpfnWndProc = DefWindowProcW;
class.hInstance = GetModuleHandleW(0);
class.lpszClassName = class_name;
if ((atom = RegisterClassW( &class ))) clip_class = atom;
}
return CreateWindowW( class_name, NULL, 0, 0, 0, 0, 0, HWND_MESSAGE, 0, GetModuleHandleW(0), NULL );
}
/***********************************************************************
* grab_clipping_window
@ -388,6 +367,7 @@ static HWND create_clipping_msg_window(void)
*/
static BOOL grab_clipping_window( const RECT *clip, BOOL only_with_xinput )
{
static const WCHAR messageW[] = {'M','e','s','s','a','g','e',0};
struct x11drv_thread_data *data = x11drv_thread_data();
Window clip_window;
HWND msg_hwnd = 0;
@ -395,19 +375,19 @@ static BOOL grab_clipping_window( const RECT *clip, BOOL only_with_xinput )
if (!data) return FALSE;
if (!(clip_window = init_clip_window())) return TRUE;
/* create a clip message window unless we are already clipping */
if (!data->clip_hwnd)
{
if (!(msg_hwnd = create_clipping_msg_window())) return TRUE;
enable_xinput2();
}
if (!(msg_hwnd = CreateWindowW( messageW, NULL, 0, 0, 0, 0, 0, HWND_MESSAGE, 0,
GetModuleHandleW(0), NULL )))
return TRUE;
/* enable XInput2 unless we are already clipping */
if (!data->clip_hwnd) enable_xinput2();
/* don't clip to 1x1 rectangle if we don't have XInput */
if (clip->right - clip->left == 1 && clip->bottom - clip->top == 1) only_with_xinput = TRUE;
if (only_with_xinput && data->xi2_state != xi_enabled)
{
WARN( "XInput2 not supported, refusing to clip to %s\n", wine_dbgstr_rect(clip) );
if (msg_hwnd) DestroyWindow( msg_hwnd );
DestroyWindow( msg_hwnd );
ClipCursor( NULL );
return TRUE;
}
@ -415,14 +395,14 @@ static BOOL grab_clipping_window( const RECT *clip, BOOL only_with_xinput )
TRACE( "clipping to %s win %lx\n", wine_dbgstr_rect(clip), clip_window );
wine_tsx11_lock();
if (msg_hwnd) XUnmapWindow( data->display, clip_window );
if (!data->clip_hwnd) XUnmapWindow( data->display, clip_window );
XMoveResizeWindow( data->display, clip_window,
clip->left - virtual_screen_rect.left, clip->top - virtual_screen_rect.top,
max( 1, clip->right - clip->left ), max( 1, clip->bottom - clip->top ) );
XMapWindow( data->display, clip_window );
/* if the rectangle is shrinking we may get a pointer warp */
if (msg_hwnd || clip->left > clip_rect.left || clip->top > clip_rect.top ||
if (!data->clip_hwnd || clip->left > clip_rect.left || clip->top > clip_rect.top ||
clip->right < clip_rect.right || clip->bottom < clip_rect.bottom)
data->warp_serial = NextRequest( data->display );
@ -435,16 +415,13 @@ static BOOL grab_clipping_window( const RECT *clip, BOOL only_with_xinput )
if (!clipping_cursor)
{
disable_xinput2();
if (msg_hwnd) DestroyWindow( msg_hwnd );
DestroyWindow( msg_hwnd );
return FALSE;
}
clip_rect = *clip;
if (msg_hwnd)
{
data->clip_hwnd = msg_hwnd;
sync_window_cursor( clip_window );
SendMessageW( GetDesktopWindow(), WM_X11DRV_CLIP_CURSOR, 0, (LPARAM)msg_hwnd );
}
if (!data->clip_hwnd) sync_window_cursor( clip_window );
data->clip_hwnd = msg_hwnd;
SendMessageW( GetDesktopWindow(), WM_X11DRV_CLIP_CURSOR, 0, (LPARAM)msg_hwnd );
return TRUE;
}
@ -499,6 +476,7 @@ LRESULT clip_cursor_notify( HWND hwnd, HWND new_clip_hwnd )
}
else if (hwnd == data->clip_hwnd) /* this is a notification that clipping has been reset */
{
TRACE( "clip hwnd reset from %p\n", hwnd );
data->clip_hwnd = 0;
data->clip_reset = GetTickCount();
disable_xinput2();