pluginlib_touchscreen: Rework API to offer wait-for-button APIs.

The old touchscreen_get() needed an external button_get() call. Now two APIs are
added that do this call internally. This way they behave similar to get_action.

The old API is preserved (but renamed) since it's used in reversi.

Change-Id: I24902c64a357f2fdd7d0c2f5371cbfd20f34f1c8

1 files changed, 7 insertions, 2 deletions

diff --git a/apps/plugins/lib/pluginlib_touchscreen.h b/apps/plugins/lib/pluginlib_touchscreen.h
index f2787655ee..dbd944c040 100644
--- a/apps/plugins/lib/pluginlib_touchscreen.h
+++ b/apps/plugins/lib/pluginlib_touchscreen.h
@@ -40,8 +40,13 @@ struct touchbutton {
     fb_data *pixmap;        /* Currently unused, but will allow for a graphic */
 };
 
-/* Get: tests for a button press and returns action. */
-int touchbutton_get(struct touchbutton *data, int button, int num_buttons);
+/* Check: tests if the result of button_get() beloned to a touch button */
+int touchbutton_check_button(int button, struct touchbutton *data, int num_buttons);
+/* Wait: Wait for input and return the corresponding action */
+int touchbutton_get(struct touchbutton *data, int num_buttons);
+/* Wait with timeout */
+int touchbutton_get_w_tmo(int timeout, struct touchbutton *data, int num_buttons);
+
 /* Draw: Draws all visible buttons */
 void touchbutton_draw(struct touchbutton *data, int num_buttons);