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gdkwindow: Always pass the impl window to GdkWindowImpl::get_root_coords

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The point of GdkWindowImpl::get_root_coords is to translate the passed
in coordinates against the passed-in impl window. For a child window,
in fact, window->abs_x and window->abs_y already track the child
window's coordinates against the impl window.

If we pass in a child window, and backends don't explicitly get the impl
window from it, we'll double-count the child window.

Really, we should *always* be passing impl windows to backends, and
never child windows. However, I'm a bit worried for regressions late
in the cycle if we want to fix up the rest of the callers, like
gdk_window_get_geometry, so I'm only going to touch get_root_coords
for now after careful review of all the backends.
This commit is contained in:
Jasper St. Pierre 2014-02-27 21:02:22 -05:00
parent b922e0e213
commit 0f212b5fb7
1 changed files with 2 additions and 2 deletions
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4
gdk/gdkwindow.c
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@ -6149,7 +6149,7 @@ gdk_window_get_origin (GdkWindow *window,
}
impl_class = GDK_WINDOW_IMPL_GET_CLASS (window->impl);
impl_class->get_root_coords (window,
impl_class->get_root_coords (window->impl_window,
window->abs_x,
window->abs_y,
x, y);
@ -6191,7 +6191,7 @@ gdk_window_get_root_coords (GdkWindow *window,
}
impl_class = GDK_WINDOW_IMPL_GET_CLASS (window->impl);
impl_class->get_root_coords (window,
impl_class->get_root_coords (window->impl_window,
x + window->abs_x,
y + window->abs_y,
root_x, root_y);