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user32: Copy the bits of child windows when the parent has a surface. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2017-07-13 11:04:52 +02:00
parent 4e13c06f3b
commit 5b9c69b93f
3 changed files with 68 additions and 4 deletions
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35
dlls/user32/painting.c
View File

@ -810,6 +810,41 @@ void move_window_bits( HWND hwnd, struct window_surface *old_surface,
}
/***********************************************************************
* move_window_bits_parent
*
* Move the window bits in the parent surface when a child is moved.
*/
void move_window_bits_parent( HWND hwnd, HWND parent, const RECT *window_rect, const RECT *valid_rects )
{
struct window_surface *surface;
RECT dst = valid_rects[0];
RECT src = valid_rects[1];
WND *win;
if (src.left == dst.left && src.top == dst.top) return;
if (!(win = WIN_GetPtr( parent ))) return;
if (win == WND_DESKTOP || win == WND_OTHER_PROCESS) return;
if (!(surface = win->surface))
{
WIN_ReleasePtr( win );
return;
}
TRACE( "copying %s -> %s\n", wine_dbgstr_rect( &src ), wine_dbgstr_rect( &dst ));
MapWindowPoints( GetAncestor( hwnd, GA_PARENT ), parent, (POINT *)&src, 2 );
OffsetRect( &src, win->rectClient.left - win->visible_rect.left,
win->rectClient.top - win->visible_rect.top );
OffsetRect( &dst, -window_rect->left, -window_rect->top );
window_surface_add_ref( surface );
WIN_ReleasePtr( win );
copy_bits_from_surface( hwnd, surface, &dst, &src );
window_surface_release( surface );
}
/***********************************************************************
* update_now
*

2
dlls/user32/user_private.h
View File

@ -232,6 +232,8 @@ extern void move_window_bits( HWND hwnd, struct window_surface *old_surface,
struct window_surface *new_surface,
const RECT *visible_rect, const RECT *old_visible_rect,
const RECT *window_rect, const RECT *valid_rects ) DECLSPEC_HIDDEN;
extern void move_window_bits_parent( HWND hwnd, HWND parent, const RECT *window_rect,
const RECT *valid_rects ) DECLSPEC_HIDDEN;
extern void *get_hook_proc( void *proc, const WCHAR *module, HMODULE *free_module ) DECLSPEC_HIDDEN;
extern RECT get_virtual_screen_rect(void) DECLSPEC_HIDDEN;
extern LRESULT call_current_hook( HHOOK hhook, INT code, WPARAM wparam, LPARAM lparam ) DECLSPEC_HIDDEN;

35
dlls/user32/winpos.c
View File

@ -2060,8 +2060,7 @@ BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
WND *win;
HWND surface_win = 0, parent = GetAncestor( hwnd, GA_PARENT );
BOOL ret, needs_update = FALSE;
int old_width;
RECT visible_rect, old_visible_rect, old_window_rect;
RECT visible_rect, old_visible_rect, old_window_rect, old_client_rect;
struct window_surface *old_surface, *new_surface = NULL;
if (!parent || parent == GetDesktopWindow())
@ -2080,8 +2079,8 @@ BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
if (new_surface) window_surface_release( new_surface );
return FALSE;
}
old_width = win->rectClient.right - win->rectClient.left;
old_visible_rect = win->visible_rect;
old_client_rect = win->rectClient;
old_surface = win->surface;
if (old_surface != new_surface) swp_flags |= SWP_FRAMECHANGED; /* force refreshing non-client area */
@ -2126,7 +2125,8 @@ BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
mirror_rect( &client, &win->visible_rect );
}
/* if an RTL window is resized the children have moved */
if (win->dwExStyle & WS_EX_LAYOUTRTL && client_rect->right - client_rect->left != old_width)
if (win->dwExStyle & WS_EX_LAYOUTRTL &&
client_rect->right - client_rect->left != old_client_rect.right - old_client_rect.left)
win->flags |= WIN_CHILDREN_MOVED;
}
}
@ -2156,6 +2156,33 @@ BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
}
window_surface_release( old_surface );
}
else if (surface_win && surface_win != hwnd)
{
if (!IsRectEmpty( valid_rects ))
{
RECT rects[2];
int x_offset = old_visible_rect.left - visible_rect.left;
int y_offset = old_visible_rect.top - visible_rect.top;
/* if all that happened is that the whole window moved, copy everything */
if (!(swp_flags & SWP_FRAMECHANGED) &&
old_visible_rect.right - visible_rect.right == x_offset &&
old_visible_rect.bottom - visible_rect.bottom == y_offset &&
old_client_rect.left - client_rect->left == x_offset &&
old_client_rect.right - client_rect->right == x_offset &&
old_client_rect.top - client_rect->top == y_offset &&
old_client_rect.bottom - client_rect->bottom == y_offset &&
EqualRect( &valid_rects[0], client_rect ))
{
rects[0] = visible_rect;
rects[1] = old_visible_rect;
valid_rects = rects;
}
move_window_bits_parent( hwnd, surface_win, window_rect, valid_rects );
valid_rects = NULL; /* prevent the driver from trying to also move the bits */
}
}
USER_Driver->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
client_rect, &visible_rect, valid_rects, new_surface );
}