GDK W32: Correctly report window position in HiDPI mode

Window position returned by get_frame_extents() should be scaled.

Also take this opportunity to apply the same rounding that X11 backend
applies.

https://bugzilla.gnome.org/show_bug.cgi?id=788053
This commit is contained in:
Руслан Ижбулатов 2017-09-29 12:50:03 +00:00
parent eb6d5b6b27
commit 50bbac6005

View File

@ -2114,16 +2114,25 @@ gdk_win32_window_get_frame_extents (GdkWindow *window,
hwnd = GDK_WINDOW_HWND (window);
API_CALL (GetWindowRect, (hwnd, &r));
rect->x = r.left + _gdk_offset_x;
rect->y = r.top + _gdk_offset_y;
rect->width = (r.right - r.left) / impl->window_scale;
rect->height = (r.bottom - r.top) / impl->window_scale;
/* Initialize to real, unscaled size */
rect->x = r.left + _gdk_offset_x * impl->window_scale;
rect->y = r.top + _gdk_offset_y * impl->window_scale;
rect->width = (r.right - r.left);
rect->height = (r.bottom - r.top);
/* Extend width and height to ensure that they cover the real size when de-scaled,
* and replace everyting with scaled values
*/
rect->width = (rect->width + rect->x % impl->window_scale + impl->window_scale - 1) / impl->window_scale;
rect->height = (rect->height + rect->y % impl->window_scale + impl->window_scale - 1) / impl->window_scale;
rect->x = r.left / impl->window_scale + _gdk_offset_x;
rect->y = r.top / impl->window_scale + _gdk_offset_y;
GDK_NOTE (MISC, g_print ("gdk_window_get_frame_extents: %p: %ldx%ld@%+ld%+ld\n",
GDK_WINDOW_HWND (window),
(r.right - r.left) / impl->window_scale,
(r.bottom - r.top) / impl->window_scale,
r.left, r.top));
GDK_WINDOW_HWND (window),
rect->width,
rect->height,
rect->x, rect->y));
}
static gboolean