change alpha with keyboard shortcut C-F11/C-F12

1 files changed, 15 insertions, 0 deletions

diff --git a/x.c b/x.c
index d2ed474..652f3cc 100644
--- a/x.c
+++ b/x.c
@@ -68,6 +68,7 @@ static void clipcopy(const Arg *);
 static void clippaste(const Arg *);
 static void numlock(const Arg *);
 static void selpaste(const Arg *);
+static void changealpha(const Arg *);
 static void zoom(const Arg *);
 static void zoomabs(const Arg *);
 static void zoomreset(const Arg *);
@@ -304,6 +305,20 @@ numlock(const Arg *dummy)
 }
 
 void
+changealpha(const Arg *arg)
+{
+    if((alpha > 0 && arg->f < 0) || (alpha < 1 && arg->f > 0))
+        alpha += arg->f;
+    if(alpha < 0)
+        alpha = 0;
+    if(alpha > 1)
+        alpha = 1;
+
+    xloadcols();
+    redraw();
+}
+
+void
 zoom(const Arg *arg)
 {
 	Arg larg;