Okay, this one should be ready to review. Sorry for the noise on the first attempt.
On Tue, Aug 8, 2017 at 10:56 AM, Matt Hoosier <[email protected]> wrote: > It's useful for the shell implementation to know when these change, > for example to relay the information on to taskbars or similar. > > To avoid ABI changes or the need to make the weston_desktop_surface > definition public, new functions are introduced for attaching > listeners to these signals. > > Signed-off-by: Matt Hoosier <[email protected]> > --- > libweston-desktop/libweston-desktop.h | 3 +++ > libweston-desktop/surface.c | 12 ++++++++++++ > 2 files changed, 15 insertions(+) > > diff --git a/libweston-desktop/libweston-desktop.h > b/libweston-desktop/libweston-desktop.h > index 03b04c7b..c43568ac 100644 > --- a/libweston-desktop/libweston-desktop.h > +++ b/libweston-desktop/libweston-desktop.h > @@ -164,6 +164,9 @@ weston_desktop_surface_set_size(struct > weston_desktop_surface *surface, > int32_t width, int32_t height); > void > weston_desktop_surface_close(struct weston_desktop_surface *surface); > +void > +weston_desktop_surface_add_title_listener(struct weston_desktop_surface > *surface, > + struct wl_listener *listener); > > void * > weston_desktop_surface_get_user_data(struct weston_desktop_surface > *surface); > diff --git a/libweston-desktop/surface.c b/libweston-desktop/surface.c > index d3be9364..d00ba5d6 100644 > --- a/libweston-desktop/surface.c > +++ b/libweston-desktop/surface.c > @@ -64,6 +64,7 @@ struct weston_desktop_surface { > char *title; > char *app_id; > pid_t pid; > + struct wl_signal title_signal; > }; > struct { > struct weston_desktop_surface *parent; > @@ -287,6 +288,8 @@ weston_desktop_surface_create(struct weston_desktop > *desktop, > wl_list_init(&surface->view_list); > wl_list_init(&surface->grab_link); > > + wl_signal_init(&surface->title_signal); > + > return surface; > } > > @@ -511,6 +514,13 @@ weston_desktop_surface_close(struct > weston_desktop_surface *surface) > > surface->implementation_data); > } > > +WL_EXPORT void > +weston_desktop_surface_add_title_listener(struct weston_desktop_surface > *surface, > + struct wl_listener *listener) > +{ > + wl_signal_add(&surface->title_signal, listener); > +} > + > struct weston_desktop_surface * > weston_desktop_surface_from_client_link(struct wl_list *link) > { > @@ -687,6 +697,7 @@ weston_desktop_surface_set_title(struct > weston_desktop_surface *surface, > > free(surface->title); > surface->title = tmp; > + wl_signal_emit(&surface->title_signal, surface); > } > > void > @@ -701,6 +712,7 @@ weston_desktop_surface_set_app_id(struct > weston_desktop_surface *surface, > > free(surface->app_id); > surface->app_id = tmp; > + wl_signal_emit(&surface->title_signal, surface); > } > > void > -- > 2.13.3 > >
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