(x_set_frame_alpha): Do nothing if alpha is negative.

2f8e69cc · Chong Yidong · 7e849c17 · 2f8e69cc · 2f8e69cc
Commit 2f8e69cc authored Nov 12, 2008 by Chong Yidong
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Showing with 6 additions and 2 deletions

src/w32term.c src/w32term.c +3 -1

src/xterm.c src/xterm.c +3 -1

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--- a/src/w32term.c
+++ b/src/w32term.c
@@ -439,7 +439,9 @@ x_set_frame_alpha (f)
  else if (INTEGERP (Vframe_alpha_lower_limit))
    alpha_min = (XINT (Vframe_alpha_lower_limit)) / 100.0;

-  if (alpha < 0.0 || 1.0 < alpha)
+  if (alpha < 0.0)
+    return;
+  else if (alpha > 1.0)
    alpha = 1.0;
  else if (alpha < alpha_min && alpha_min <= 1.0)
    alpha = alpha_min;

--- a/src/xterm.c
+++ b/src/xterm.c
@@ -487,7 +487,9 @@ x_set_frame_alpha (f)
  else if (INTEGERP (Vframe_alpha_lower_limit))
    alpha_min = (XINT (Vframe_alpha_lower_limit)) / 100.0;

-  if (alpha < 0.0 || 1.0 < alpha)
+  if (alpha < 0.0)
+    return;
+  else if (alpha > 1.0)
    alpha = 1.0;
  else if (0.0 <= alpha && alpha < alpha_min && alpha_min <= 1.0)
    alpha = alpha_min;