#define BUTTON_NAV_PROG(button_name, action_signal) \
program { \
   name: "button_"button_name"_in"; \
   signal: "mouse,in"; \
   source: "button_"button_name"_rect"; \
   action: STATE_SET "over" 0.0; \
   transition: LINEAR 0.25; \
   target: "button_"button_name"_icon"; \
   target: "button_"button_name"_bg"; \
} \
program { \
   name: "button_"button_name"_out"; \
   signal: "mouse,out"; \
   source: "button_"button_name"_rect"; \
   action: STATE_SET "default" 0.0; \
   transition: LINEAR 0.25; \
   target: "button_"button_name"_icon"; \
   target: "button_"button_name"_bg"; \
} \
program { \
   name: "button_"button_name"_down"; \
   signal: "mouse,down,1*"; \
   source: "button_"button_name"_rect"; \
   action: STATE_SET "down" 0.0; \
   target: "button_"button_name"_icon"; \
   target: "button_"button_name"_shadow"; \
} \
program { \
   name: "button_"button_name"_up"; \
   signal: "mouse,up,1"; \
   source: "button_"button_name"_rect"; \
   action: STATE_SET "default" 0.0; \
   target: "button_"button_name"_icon"; \
   target: "button_"button_name"_shadow"; \
} \
program { \
   name: "button_"button_name"_clicked"; \
   signal: "mouse,clicked,1"; \
   source: "button_"button_name"_rect"; \
   action: SIGNAL_EMIT action_signal ""; \
}

BUTTON_NAV_PROG("play", "eclair_play");
BUTTON_NAV_PROG("stop", "eclair_stop");
BUTTON_NAV_PROG("prev", "eclair_prev");
BUTTON_NAV_PROG("next", "eclair_next");
BUTTON_NAV_PROG("open", "eclair_open");