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winex11: Add separate helper functions for pointer grabbing and ungrabbing.

This commit is contained in:
Alexandre Julliard 2011-04-22 16:28:25 +02:00
parent 0eb19126e5
commit a292220e1d
1 changed files with 62 additions and 40 deletions
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102
dlls/winex11.drv/mouse.c
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@ -393,6 +393,66 @@ LRESULT clip_cursor_notify( HWND hwnd, HWND new_clip_hwnd )
return 0;
}
/***********************************************************************
* grab_clipping_window
*
* Start a pointer grab on the clip window.
*/
static BOOL grab_clipping_window( const RECT *clip )
{
struct x11drv_thread_data *data = x11drv_init_thread_data();
Window clip_window = init_clip_window();
HWND msg_hwnd;
if (!clip_window) return TRUE;
if (!(msg_hwnd = create_clipping_msg_window())) return TRUE;
TRACE( "clipping to %s\n", wine_dbgstr_rect(clip) );
wine_tsx11_lock();
XUnmapWindow( data->display, clip_window );
XMoveResizeWindow( data->display, clip_window,
clip->left - virtual_screen_rect.left, clip->top - virtual_screen_rect.top,
clip->right - clip->left, clip->bottom - clip->top );
XMapWindow( data->display, clip_window );
if (!XGrabPointer( data->display, clip_window, False,
PointerMotionMask | ButtonPressMask | ButtonReleaseMask,
GrabModeAsync, GrabModeAsync, clip_window, None, CurrentTime ))
clipping_cursor = 1;
wine_tsx11_unlock();
if (!clipping_cursor)
{
DestroyWindow( msg_hwnd );
return FALSE;
}
enable_xinput2();
sync_window_cursor( clip_window );
clip_rect = *clip;
SendMessageW( GetDesktopWindow(), WM_X11DRV_CLIP_CURSOR, 0, (LPARAM)msg_hwnd );
return TRUE;
}
/***********************************************************************
* ungrab_clipping_window
*
* Release the pointer grab on the clip window.
*/
static void ungrab_clipping_window(void)
{
Display *display = thread_init_display();
Window clip_window = init_clip_window();
if (!clip_window) return;
TRACE( "no longer clipping\n" );
wine_tsx11_lock();
XUnmapWindow( display, clip_window );
wine_tsx11_unlock();
clipping_cursor = 0;
SendMessageW( GetDesktopWindow(), WM_X11DRV_CLIP_CURSOR, 0, 0 );
}
/***********************************************************************
* send_mouse_input
*
@ -1110,11 +1170,6 @@ BOOL CDECL X11DRV_GetCursorPos(LPPOINT pos)
*/
BOOL CDECL X11DRV_ClipCursor( LPCRECT clip )
{
Display *display = thread_init_display();
Window clip_window = init_clip_window();
if (!clip_window) return TRUE;
/* we are clipping if the clip rectangle is smaller than the screen */
if (clip && (clip->left > virtual_screen_rect.left ||
clip->right < virtual_screen_rect.right ||
@ -1124,43 +1179,10 @@ BOOL CDECL X11DRV_ClipCursor( LPCRECT clip )
if (GetWindowThreadProcessId( GetDesktopWindow(), NULL ) == GetCurrentThreadId())
return TRUE; /* don't clip in the desktop process */
if (grab_pointer)
{
HWND msg_hwnd = create_clipping_msg_window();
if (!msg_hwnd) return TRUE;
TRACE( "clipping to %s\n", wine_dbgstr_rect(clip) );
wine_tsx11_lock();
XUnmapWindow( display, clip_window );
XMoveResizeWindow( display, clip_window,
clip->left - virtual_screen_rect.left, clip->top - virtual_screen_rect.top,
clip->right - clip->left, clip->bottom - clip->top );
XMapWindow( display, clip_window );
if (!XGrabPointer( display, clip_window, False,
PointerMotionMask | ButtonPressMask | ButtonReleaseMask,
GrabModeAsync, GrabModeAsync, clip_window, None, CurrentTime ))
clipping_cursor = 1;
wine_tsx11_unlock();
if (clipping_cursor)
{
enable_xinput2();
sync_window_cursor( clip_window );
clip_rect = *clip;
SendMessageW( GetDesktopWindow(), WM_X11DRV_CLIP_CURSOR, 0, (LPARAM)msg_hwnd );
return TRUE;
}
DestroyWindow( msg_hwnd );
}
if (grab_pointer && grab_clipping_window( clip )) return TRUE;
}
/* release the grab if any */
TRACE( "no longer clipping\n" );
wine_tsx11_lock();
XUnmapWindow( display, clip_window );
wine_tsx11_unlock();
clipping_cursor = 0;
SendMessageW( GetDesktopWindow(), WM_X11DRV_CLIP_CURSOR, 0, 0 );
ungrab_clipping_window();
return TRUE;
}