add option for toggling alpha without #if USEALPHA

README.md

@@ -361,6 +361,7 @@ The magic of .Xresources is that it is a universal configuration file. While you
 
 Below is a list of all .Xresources values you can define.
 
+- speedwm.bar.alpha:                     1 
 - speedwm.bar.height:                    3 
 - speedwm.bar.position:                  1 
 - speedwm.bar.paddingoh:                 0 

docs/example.Xresources

@@ -4,6 +4,7 @@
 !! Alternatively append the values to your existing .Xresources.
 
 !! Bar options
+speedwm.bar.alpha:                     1 ! Enable alpha (0/1)
 speedwm.bar.height:                    3 ! Height of the bar in pixels (<num>)
 speedwm.bar.position:                  1 ! Position of the bar (0:  Bottom, 1:  Top)
 speedwm.bar.paddingoh:                 0 ! Horizontal padding (extra space) around the bar in pixels (<num>)

options.h

@@ -91,6 +91,7 @@ static int iconsize                           = 15; /* Size of the icon */
 static int iconspacing                        = 5; /* Spacing between the title and icon */
 
 /* Bar options */
+static int alpha                              = 1; /* Enable alpha */
 static int barposition                        = 1; /* Bar position. Top: 1, Bottom: 0 */
 static int barheight                          = 3; /* Bar height in pixels, 0 = calculate automatically */
 static int barpaddingov                       = 0; /* Vertical outer bar padding in pixels. */

speedwm.1

@@ -709,6 +709,8 @@ general/mainstream .Xresources configurations.
 .PP
 Below is a list of all .Xresources values you can define.
 .IP \[bu] 2
+speedwm.bar.alpha: 1
+.IP \[bu] 2
 speedwm.bar.height: 3
 .IP \[bu] 2
 speedwm.bar.position: 1

speedwm.c

@@ -6401,7 +6401,7 @@ xinitvisual()
 
 	XFree(infos);
 
-	if (! visual) {
+	if (!visual || !alpha) {
 		visual = DefaultVisual(dpy, screen);
 		depth = DefaultDepth(dpy, screen);
 		cmap = DefaultColormap(dpy, screen);

xresources.h

@@ -112,6 +112,7 @@ ResourcePref resources[]                                            = {
 	   { "client.decorhints",            INTEGER, &decorhints },
        { "client.swallow",				 INTEGER, &swallowclients },
        { "client.swallowfloating",       INTEGER, &swallowfloating },
+       { "bar.alpha",                    INTEGER, &alpha },
 	   { "bar.height",					 INTEGER, &barheight },
 	   { "bar.paddingov",				 INTEGER, &barpaddingov },
 	   { "bar.paddingoh",				 INTEGER, &barpaddingoh },