Init

3 files changed, 9 insertions, 3 deletions

diff --git a/st/config.h b/st/config.h
index 705662e..3e13adf 100644
--- a/st/config.h
+++ b/st/config.h
@@ -119,6 +119,7 @@ unsigned int tabspaces = 8;
 
 /* bg opacity */
 float alpha = 0.8;
+float alpha_def;
 float alphaOffset = 0.05;
 float alphaUnfocus;
 
@@ -269,6 +270,7 @@ static Shortcut shortcuts[] = {
     // APPEAREANCES
     { MODKEY,               XK_a,           changealpha,    { .f = +0.05 } },
     { MODKEY,               XK_s,           changealpha,    { .f = -0.05 } },
+    { MODKEY,               XK_equal,       changealpha,    { .f = 0 } },
     { TERMMOD,              XK_Down,        zoom,           { .f = -1 } },
     { TERMMOD,              XK_Up,          zoom,           { .f = +1 } },
     { TERMMOD,              XK_Next,        zoom,           { .f = -1 } },
diff --git a/st/st.h b/st/st.h
index 60d973a..310db4f 100644
--- a/st/st.h
+++ b/st/st.h
@@ -139,7 +139,7 @@ extern char *termname;
 extern unsigned int tabspaces;
 extern unsigned int defaultfg;
 extern unsigned int defaultbg;
-extern float alpha;
+extern float alpha, alpha_def;
 extern float alphaUnfocus;
 extern const int boxdraw, boxdraw_bold, boxdraw_braille;
 extern unsigned int defaultcs;
diff --git a/st/x.c b/st/x.c
index 3c1c242..6856e48 100644
--- a/st/x.c
+++ b/st/x.c
@@ -323,7 +323,9 @@ void
 changealpha(const Arg *arg)
 {
     if((alpha > 0 && arg->f < 0) || (alpha < 1 && arg->f > 0))
-        alpha += arg->f;
+       alpha += arg->f;
+    else if (arg->f == 0.0f)
+       alpha = alpha_def;
     alpha = clamp(alpha, 0.0, 1.0);
     alphaUnfocus = clamp(alpha-alphaOffset, 0.0, 1.0);
 
@@ -1331,10 +1333,12 @@ xinit(int cols, int rows)
         xloadfonts(usedfont, 0);
     }
 
-
 	/* spare fonts */
 	xloadsparefonts();
 
+    /* Backup default alpha value */
+    alpha_def = alpha;
+
 	/* colors */
 	xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
 	xloadcols();