[hackers] [svkbd][PATCH] Fixed an issue with the caps lock key remaining on for one last keystroke after turning it off. Also keep caps lock key showing as pressed to indicate that it is on.

---
 svkbd.c | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/svkbd.c b/svkbd.c
index 92ddf23..04b5cc8 100644
--- a/svkbd.c
+++ b/svkbd.c
_AT_@ -13,6 +13,7 @@
 #include <X11/Xutil.h>
 #include <X11/Xproto.h>
 #include <X11/extensions/XTest.h>
+#include <X11/XKBlib.h>
 
 /* macros */
 #define MAX(a, b)       ((a) > (b) ? (a) : (b))
_AT_@ -244,8 +245,16 @@ drawkey(Key *k) {
 	XRectangle r = { k->x, k->y, k->w, k->h};
 	const char *l;
 	ulong *col;
+	Bool pressed = k->pressed;
 
-	if(k->pressed)
+	// For the caps lock key get the state to still show it as pressed
+	if (k->keysym == XK_Caps_Lock && !pressed)
+	{
+		unsigned int atom = XInternAtom(dpy, "Caps Lock", False);
+		XkbGetNamedIndicator(dpy, atom, NULL, &pressed, NULL, NULL);
+	}
+
+	if(pressed)
 		col = dc.press;
 	else if(k->highlighted)
 		col = dc.high;
_AT_@ -380,6 +389,18 @@ press(Key *k, KeySym mod) {
 			}
 		}
 	}
+	else if (k->keysym == XK_Caps_Lock)
+	{
+		// Special case for caps lock
+		// Unlike other modifier keys it's not meant to be held down
+		XTestFakeKeyEvent(dpy,
+			XKeysymToKeycode(dpy, k->keysym),
+			True, 0);
+		k->pressed = False;
+		XTestFakeKeyEvent(dpy,
+			XKeysymToKeycode(dpy, k->keysym),
+			False, 0);
+	}
 	drawkey(k);
 }
 
-- 
1.9.1