[PATCH weston] shell: Update surface_opacity_binding() to work with recent alpha value changes.

[Scott Moreau]

---
 src/shell.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/shell.c b/src/shell.c
index a4a98c7..f7b9527 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -1598,7 +1598,7 @@ surface_opacity_binding(struct wl_seat *seat, uint32_t time,
 			uint32_t key, uint32_t button, uint32_t axis,
 			int32_t value, void *data)
 {
-	uint32_t step = 15;
+	float step = 0.05;
 	struct shell_surface *shsurf;
 	struct weston_surface *surface =
 		(struct weston_surface *) seat->pointer->focus;
@@ -1620,8 +1620,8 @@ surface_opacity_binding(struct wl_seat *seat, uint32_t time,
 
 	surface->alpha += value * step;
 
-	if (surface->alpha > 255)
-		surface->alpha = 255;
+	if (surface->alpha > 1.0)
+		surface->alpha = 1.0;
 	if (surface->alpha < step)
 		surface->alpha = step;
 
-- 
1.7.7.6