[PATCH weston 2/4] input: Add a weston_pointer_output_center

[Rob Bradford]

From: Rob Bradford <rob at linux.intel.com>

Centre the pointer on a the provided output. This function provides the
basis of ensuring that the pointer starts on the output when we start to
constrain a seat to a given output.
---
 src/compositor.h | 3 +++
 src/input.c      | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/src/compositor.h b/src/compositor.h
index 22700b7..d2ca844 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -333,6 +333,9 @@ weston_pointer_start_grab(struct weston_pointer *pointer,
 			  struct weston_pointer_grab *grab);
 void
 weston_pointer_end_grab(struct weston_pointer *pointer);
+void
+weston_pointer_output_center(struct weston_pointer *pointer,
+			     struct weston_output *output);
 
 struct weston_keyboard *
 weston_keyboard_create(void);
diff --git a/src/input.c b/src/input.c
index d299d98..7c7aa95 100644
--- a/src/input.c
+++ b/src/input.c
@@ -473,6 +473,14 @@ weston_pointer_set_focus(struct weston_pointer *pointer,
 }
 
 WL_EXPORT void
+weston_pointer_output_center(struct weston_pointer *pointer,
+			     struct weston_output *output)
+{
+	pointer->x = wl_fixed_from_int(output->x + output->width / 2);
+	pointer->y = wl_fixed_from_int(output->y + output->height / 2);
+}
+
+WL_EXPORT void
 weston_keyboard_set_focus(struct weston_keyboard *keyboard,
 			  struct weston_surface *surface)
 {
-- 
1.8.1.4