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server: Avoid refreshing areas of a window that have already been copied by the X server.

This commit is contained in:
Alexandre Julliard 2007-10-17 17:28:04 +02:00
parent 5c07673077
commit 952c82c271
2 changed files with 30 additions and 5 deletions
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2
dlls/winex11.drv/winpos.c
View File

@ -264,6 +264,8 @@ BOOL X11DRV_SetWindowPos( HWND hwnd, HWND insert_after, const RECT *rectWindow,
old_client_rect = data->client_rect;
if (!data->whole_window) swp_flags |= SWP_NOCOPYBITS; /* we can't rely on X11 to move the bits */
if (!(win = WIN_GetPtr( hwnd ))) return FALSE;
if (win == WND_OTHER_PROCESS)
{

33
server/window.c
View File

@ -1333,6 +1333,7 @@ static void set_window_pos( struct window *win, struct window *previous,
const rectangle_t old_window_rect = win->window_rect;
const rectangle_t old_visible_rect = win->visible_rect;
const rectangle_t old_client_rect = win->client_rect;
int client_changed, frame_changed;
int visible = (win->style & WS_VISIBLE) || (swp_flags & SWP_SHOWWINDOW);
if (win->parent && !is_visible( win->parent )) visible = 0;
@ -1405,17 +1406,39 @@ static void set_window_pos( struct window *win, struct window *previous,
/* expose the whole non-client area if it changed in any way */
if ((swp_flags & SWP_FRAMECHANGED) ||
memcmp( window_rect, &old_window_rect, sizeof(old_window_rect) ) ||
memcmp( visible_rect, &old_visible_rect, sizeof(old_visible_rect) ) ||
memcmp( client_rect, &old_client_rect, sizeof(old_client_rect) ))
if (swp_flags & SWP_NOCOPYBITS)
{
frame_changed = ((swp_flags & SWP_FRAMECHANGED) ||
memcmp( window_rect, &old_window_rect, sizeof(old_window_rect) ) ||
memcmp( visible_rect, &old_visible_rect, sizeof(old_visible_rect) ));
client_changed = memcmp( client_rect, &old_client_rect, sizeof(old_client_rect) );
}
else
{
/* assume the bits have been moved to follow the window rect */
int x_offset = window_rect->left - old_window_rect.left;
int y_offset = window_rect->top - old_window_rect.top;
frame_changed = ((swp_flags & SWP_FRAMECHANGED) ||
window_rect->right - old_window_rect.right != x_offset ||
window_rect->bottom - old_window_rect.bottom != y_offset ||
visible_rect->left - old_visible_rect.left != x_offset ||
visible_rect->right - old_visible_rect.right != x_offset ||
visible_rect->top - old_visible_rect.top != y_offset ||
visible_rect->bottom - old_visible_rect.bottom != y_offset);
client_changed = (client_rect->left - old_client_rect.left != x_offset ||
client_rect->right - old_client_rect.right != x_offset ||
client_rect->top - old_client_rect.top != y_offset ||
client_rect->bottom - old_client_rect.bottom != y_offset);
}
if (frame_changed || client_changed)
{
struct region *tmp = create_empty_region();
if (tmp)
{
/* subtract the valid portion of client rect from the total region */
if (!memcmp( client_rect, &old_client_rect, sizeof(old_client_rect) ))
if (!client_changed)
set_region_rect( tmp, client_rect );
else if (valid_rects)
set_region_rect( tmp, &valid_rects[0] );