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server: Fix get_next/prev_window behavior for unlinked windows.

This commit is contained in:
Alexandre Julliard 2007-10-31 18:08:19 +01:00
parent 86c8860d62
commit b843534357
1 changed files with 11 additions and 5 deletions
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12
server/window.c
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@ -77,7 +77,8 @@ struct window
unsigned int ex_style; /* window extended style */
unsigned int id; /* window id */
void* instance; /* creator instance */
int is_unicode; /* ANSI or unicode */
unsigned int is_unicode : 1; /* ANSI or unicode */
unsigned int is_linked : 1; /* is it linked into the parent z-order list? */
unsigned long user_data; /* user-specific data */
WCHAR *text; /* window caption text */
unsigned int paint_flags; /* various painting flags */
@ -142,6 +143,7 @@ static int set_parent_window( struct window *win, struct window *parent )
{
win->parent = parent;
list_add_head( &parent->children, &win->entry );
win->is_linked = 1;
/* if parent belongs to a different thread and the window isn't */
/* top-level, attach the two threads */
@ -151,6 +153,7 @@ static int set_parent_window( struct window *win, struct window *parent )
else /* move it to parent unlinked list */
{
list_add_head( &win->parent->unlinked, &win->entry );
win->is_linked = 0;
}
return 1;
}
@ -159,7 +162,6 @@ static int set_parent_window( struct window *win, struct window *parent )
static inline struct window *get_next_window( struct window *win )
{
struct list *ptr = list_next( &win->parent->children, &win->entry );
if (ptr == &win->parent->unlinked) ptr = NULL;
return ptr ? LIST_ENTRY( ptr, struct window, entry ) : NULL;
}
@ -167,7 +169,6 @@ static inline struct window *get_next_window( struct window *win )
static inline struct window *get_prev_window( struct window *win )
{
struct list *ptr = list_prev( &win->parent->children, &win->entry );
if (ptr == &win->parent->unlinked) ptr = NULL;
return ptr ? LIST_ENTRY( ptr, struct window, entry ) : NULL;
}
@ -402,6 +403,7 @@ static struct window *create_window( struct window *parent, struct window *owner
win->id = 0;
win->instance = NULL;
win->is_unicode = 1;
win->is_linked = 0;
win->user_data = 0;
win->text = NULL;
win->paint_flags = 0;
@ -1378,6 +1380,7 @@ static void set_window_pos( struct window *win, struct window *previous,
list_remove( &win->entry ); /* unlink it from the previous location */
if (previous) list_add_after( &previous->entry, &win->entry );
else list_add_head( &win->parent->children, &win->entry );
win->is_linked = 1;
}
if (swp_flags & SWP_SHOWWINDOW) win->style |= WS_VISIBLE;
else if (swp_flags & SWP_HIDEWINDOW) win->style &= ~WS_VISIBLE;
@ -1765,8 +1768,11 @@ DECL_HANDLER(get_window_tree)
struct window *parent = win->parent;
reply->parent = parent->handle;
reply->owner = win->owner;
if (win->is_linked)
{
if ((ptr = get_next_window( win ))) reply->next_sibling = ptr->handle;
if ((ptr = get_prev_window( win ))) reply->prev_sibling = ptr->handle;
}
if ((ptr = get_first_child( parent ))) reply->first_sibling = ptr->handle;
if ((ptr = get_last_child( parent ))) reply->last_sibling = ptr->handle;
}