Move CASE_RETURN_STRING to libinput-util.h

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

src/evdev-middle-button.c

@@ -43,8 +43,6 @@
  * as-is.
  */
 
-#define CASE_RETURN_STRING(a) case a: return #a;
-
 static inline const char*
 middlebutton_state_to_str(enum evdev_middlebutton_state state)
 {

src/evdev-mt-touchpad-buttons.c

@@ -46,8 +46,6 @@
  * The state machine only affects the soft button area code.
  */
 
-#define CASE_RETURN_STRING(a) case a: return #a;
-
 static inline const char*
 button_state_to_str(enum button_state state) {
 	switch(state) {

src/evdev-mt-touchpad-edge-scroll.c

@@ -32,8 +32,6 @@
 
 #include "evdev-mt-touchpad.h"
 
-#define CASE_RETURN_STRING(a) case a: return #a
-
 /* Use a reasonably large threshold until locked into scrolling mode, to
    avoid accidentally locking in scrolling mode when trying to use the entire
    touchpad to move the pointer. The user can wait for the timeout to trigger

src/evdev-mt-touchpad-gestures.c

@@ -32,8 +32,6 @@
 #define DEFAULT_GESTURE_SWITCH_TIMEOUT 100 /* ms */
 #define DEFAULT_GESTURE_2FG_SCROLL_TIMEOUT 1000 /* ms */
 
-#define CASE_RETURN_STRING(a) case a: return #a
-
 static inline const char*
 gesture_state_to_str(enum tp_gesture_2fg_state state)
 {

src/evdev-mt-touchpad-tap.c

@@ -35,8 +35,6 @@
 
 #include "evdev-mt-touchpad.h"
 
-#define CASE_RETURN_STRING(a) case a: return #a
-
 #define DEFAULT_TAP_TIMEOUT_PERIOD 180
 #define DEFAULT_DRAG_TIMEOUT_PERIOD 300
 #define DEFAULT_TAP_MOVE_THRESHOLD TP_MM_TO_DPI_NORMALIZED(3)
@@ -98,7 +96,6 @@ tap_event_to_str(enum tap_event event)
 	}
 	return NULL;
 }
-#undef CASE_RETURN_STRING
 
 static void
 tp_tap_notify(struct tp_dispatch *tp,

src/libinput-util.h

@@ -41,6 +41,8 @@
 /* The HW DPI rate we normalize to before calculating pointer acceleration */
 #define DEFAULT_MOUSE_DPI 1000
 
+#define CASE_RETURN_STRING(a) case a: return #a;
+
 void
 set_logging_enabled(int enabled);