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server: Clip visible region to the surface rectangle instead of the desktop. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2018-07-11 10:02:45 +02:00
parent 85f81948de
commit 6ccb94392a
1 changed files with 27 additions and 23 deletions
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50
server/window.c
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@ -951,6 +951,17 @@ static void set_region_client_rect( struct region *region, struct window *win )
rectangle_t rect;
intersect_rect( &rect, &win->window_rect, &win->client_rect );
intersect_rect( &rect, &rect, &win->surface_rect );
set_region_rect( region, &rect );
}
/* set the region to the visible rect clipped by the window surface, in parent-relative coordinates */
static void set_region_visible_rect( struct region *region, struct window *win )
{
rectangle_t rect;
intersect_rect( &rect, &win->visible_rect, &win->surface_rect );
set_region_rect( region, &rect );
}
@ -976,16 +987,22 @@ static struct region *get_visible_region( struct window *win, unsigned int flags
if (!is_visible( win )) return region; /* empty region */
if (is_desktop_window( win ))
{
set_region_rect( region, &win->window_rect );
return region;
}
/* create a region relative to the window itself */
if ((flags & DCX_PARENTCLIP) && win->parent && !is_desktop_window(win->parent))
if ((flags & DCX_PARENTCLIP) && !is_desktop_window( win->parent ))
{
set_region_client_rect( region, win->parent );
offset_region( region, -win->parent->client_rect.left, -win->parent->client_rect.top );
}
else if (flags & DCX_WINDOW)
{
set_region_rect( region, &win->visible_rect );
set_region_visible_rect( region, win );
if (win->win_region && !intersect_window_region( region, win )) goto error;
}
else
@ -998,42 +1015,29 @@ static struct region *get_visible_region( struct window *win, unsigned int flags
if (flags & DCX_CLIPCHILDREN)
{
if (is_desktop_window(win)) offset_x = offset_y = 0;
else
{
offset_x = win->client_rect.left;
offset_y = win->client_rect.top;
}
if (!clip_children( win, NULL, region, offset_x, offset_y )) goto error;
if (!clip_children( win, NULL, region, win->client_rect.left, win->client_rect.top )) goto error;
}
/* clip siblings of ancestors */
if (is_desktop_window(win)) offset_x = offset_y = 0;
else
{
offset_x = win->window_rect.left;
offset_y = win->window_rect.top;
}
offset_x = win->window_rect.left;
offset_y = win->window_rect.top;
if ((tmp = create_empty_region()) != NULL)
{
while (win->parent)
while (!is_desktop_window( win->parent ))
{
/* we don't clip out top-level siblings as that's up to the native windowing system */
if ((win->style & WS_CLIPSIBLINGS) && !is_desktop_window( win->parent ))
if (win->style & WS_CLIPSIBLINGS)
{
if (!clip_children( win->parent, win, region, 0, 0 )) goto error;
if (is_region_empty( region )) break;
}
/* clip to parent client area */
win = win->parent;
if (!is_desktop_window(win))
{
offset_x += win->client_rect.left;
offset_y += win->client_rect.top;
offset_region( region, win->client_rect.left, win->client_rect.top );
}
offset_x += win->client_rect.left;
offset_y += win->client_rect.top;
offset_region( region, win->client_rect.left, win->client_rect.top );
set_region_client_rect( tmp, win );
if (win->win_region && !intersect_window_region( tmp, win )) goto error;
if (!intersect_region( region, region, tmp )) goto error;