blank-screens: snap alpha if close to min/max

XPhyro · Mar 28, 2024 · 3f51184 · 3f51184
1 parent 600c955
commit 3f51184
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/src/cpp/util/core/blank-screens.cpp b/src/cpp/util/core/blank-screens.cpp
@@ -160,7 +160,14 @@ struct Options {
 
 void set_window_alpha(Window window, double alpha)
 {
-    unsigned long opacity = 0xFFFFFFFFul * alpha;
+    unsigned long opacity;
+    if (alpha > 0.99)
+        opacity = 0xFFFFFFFFul;
+    else if (alpha < 0.01)
+        opacity = 0x00000000ul;
+    else
+        opacity = 0xFFFFFFFFul * alpha;
+
     auto opacity_atom = XInternAtom(display, "_NET_WM_WINDOW_OPACITY", False);
     XChangeProperty(display,
                     window,