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user32: Scale coordinates in WIN_GetRectangles() based on DPI awareness. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2018-08-24 12:06:45 +02:00
parent 10296553bd
commit c5a6925676
9 changed files with 45 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
dlls/user32/sysparams.c
View File

@ -3236,6 +3236,16 @@ RECT map_dpi_rect( RECT rect, UINT dpi_from, UINT dpi_to )
return rect;
}
/**********************************************************************
* rect_win_to_thread_dpi
*/
RECT rect_win_to_thread_dpi( HWND hwnd, RECT rect )
{
UINT dpi = get_thread_dpi();
if (!dpi) dpi = get_win_monitor_dpi( hwnd );
return map_dpi_rect( rect, GetDpiForWindow( hwnd ), dpi );
}
/**********************************************************************
* SetProcessDpiAwarenessContext (USER32.@)
*/

6
dlls/user32/win.c
View File

@ -844,6 +844,7 @@ BOOL WIN_GetRectangles( HWND hwnd, enum coords_relative relative, RECT *rectWind
{
rect.right = 100;
rect.bottom = 100;
rect = rect_win_to_thread_dpi( hwnd, rect );
}
else
{
@ -921,8 +922,8 @@ BOOL WIN_GetRectangles( HWND hwnd, enum coords_relative relative, RECT *rectWind
}
break;
}
if (rectWindow) *rectWindow = window_rect;
if (rectClient) *rectClient = client_rect;
if (rectWindow) *rectWindow = rect_win_to_thread_dpi( hwnd, window_rect );
if (rectClient) *rectClient = rect_win_to_thread_dpi( hwnd, client_rect );
WIN_ReleasePtr( win );
return TRUE;
}
@ -932,6 +933,7 @@ other_process:
{
req->handle = wine_server_user_handle( hwnd );
req->relative = relative;
req->dpi = get_thread_dpi();
if ((ret = !wine_server_call_err( req )))
{
if (rectWindow)

1
dlls/user32/win.h
View File

@ -132,6 +132,7 @@ extern UINT get_monitor_dpi( HMONITOR monitor ) DECLSPEC_HIDDEN;
extern UINT get_win_monitor_dpi( HWND hwnd ) DECLSPEC_HIDDEN;
extern UINT get_thread_dpi(void) DECLSPEC_HIDDEN;
extern RECT map_dpi_rect( RECT rect, UINT dpi_from, UINT dpi_to ) DECLSPEC_HIDDEN;
extern RECT rect_win_to_thread_dpi( HWND hwnd, RECT rect ) DECLSPEC_HIDDEN;
extern BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
const RECT *window_rect, const RECT *client_rect,
const RECT *valid_rects ) DECLSPEC_HIDDEN;

4
include/wine/server_protocol.h
View File

@ -3692,7 +3692,7 @@ struct get_window_rectangles_request
struct request_header __header;
user_handle_t handle;
int relative;
char __pad_20[4];
int dpi;
};
struct get_window_rectangles_reply
{
@ -6533,6 +6533,6 @@ union generic_reply
struct terminate_job_reply terminate_job_reply;
};
#define SERVER_PROTOCOL_VERSION 556
#define SERVER_PROTOCOL_VERSION 557
#endif /* __WINE_WINE_SERVER_PROTOCOL_H */

1
server/protocol.def
View File

@ -2651,6 +2651,7 @@ enum message_type
@REQ(get_window_rectangles)
user_handle_t handle; /* handle to the window */
int relative; /* coords relative to (see below) */
int dpi; /* DPI to map to, or zero for per-monitor DPI */
@REPLY
rectangle_t window; /* window rectangle */
rectangle_t client; /* client rectangle */

1
server/request.h
View File

@ -1773,6 +1773,7 @@ C_ASSERT( FIELD_OFFSET(struct set_window_pos_reply, needs_update) == 20 );
C_ASSERT( sizeof(struct set_window_pos_reply) == 24 );
C_ASSERT( FIELD_OFFSET(struct get_window_rectangles_request, handle) == 12 );
C_ASSERT( FIELD_OFFSET(struct get_window_rectangles_request, relative) == 16 );
C_ASSERT( FIELD_OFFSET(struct get_window_rectangles_request, dpi) == 20 );
C_ASSERT( sizeof(struct get_window_rectangles_request) == 24 );
C_ASSERT( FIELD_OFFSET(struct get_window_rectangles_reply, window) == 8 );
C_ASSERT( FIELD_OFFSET(struct get_window_rectangles_reply, client) == 24 );

1
server/trace.c
View File

@ -3229,6 +3229,7 @@ static void dump_get_window_rectangles_request( const struct get_window_rectangl
{
fprintf( stderr, " handle=%08x", req->handle );
fprintf( stderr, ", relative=%d", req->relative );
fprintf( stderr, ", dpi=%d", req->dpi );
}
static void dump_get_window_rectangles_reply( const struct get_window_rectangles_reply *req )

14
server/user.h
View File

@ -198,6 +198,20 @@ static inline int point_in_rect( const rectangle_t *rect, int x, int y )
return (x >= rect->left && x < rect->right && y >= rect->top && y < rect->bottom);
}
static inline int scale_dpi( int val, unsigned int dpi_from, unsigned int dpi_to )
{
if (val >= 0) return (val * dpi_to + (dpi_from / 2)) / dpi_from;
return (val * dpi_to - (dpi_from / 2)) / dpi_from;
}
static inline void scale_dpi_rect( rectangle_t *rect, unsigned int dpi_from, unsigned int dpi_to )
{
rect->left = scale_dpi( rect->left, dpi_from, dpi_to );
rect->top = scale_dpi( rect->top, dpi_from, dpi_to );
rect->right = scale_dpi( rect->right, dpi_from, dpi_to );
rect->bottom = scale_dpi( rect->bottom, dpi_from, dpi_to );
}
/* offset the coordinates of a rectangle */
static inline void offset_rect( rectangle_t *rect, int offset_x, int offset_y )
{

11
server/window.c
View File

@ -630,6 +630,15 @@ static inline void inc_window_paint_count( struct window *win, int incr )
if (win->thread) inc_queue_paint_count( win->thread, incr );
}
/* map a window rectangle between different DPI scaling levels */
static void map_dpi_rect( struct window *win, rectangle_t *rect, unsigned int from, unsigned int to )
{
if (!from) from = get_monitor_dpi( win );
if (!to) to = get_monitor_dpi( win );
if (from == to) return;
scale_dpi_rect( rect, from, to );
}
/* check if window and all its ancestors are visible */
static int is_visible( const struct window *win )
{
@ -2349,6 +2358,8 @@ DECL_HANDLER(get_window_rectangles)
set_error( STATUS_INVALID_PARAMETER );
break;
}
map_dpi_rect( win, &reply->window, win->dpi, req->dpi );
map_dpi_rect( win, &reply->client, win->dpi, req->dpi );
}