added key handling

Makefile

@@ -3,7 +3,7 @@
 
 include config.mk
 
-WMSRC = bar.c client.c draw.c event.c util.c wm.c
+WMSRC = bar.c client.c cmd.c draw.c event.c key.c util.c wm.c
 WMOBJ = ${WMSRC:.c=.o}
 MENSRC = menu.c draw.c util.c
 MENOBJ = ${MENSRC:.c=.o}

config.h

@@ -9,3 +9,5 @@
 #define BORDERCOLOR	"#000000"
 #define STATUSCMD	"echo -n `date` `uptime | sed 's/.*://; s/,//g'`" \
 					" `acpi | awk '{print $4}' | sed 's/,//'`"
+#define KEYS		\
+	{ Mod1Mask, XK_Return, run, "xterm -u8 -bg black -fg white -fn -*-terminus-medium-*-*-*-14-*-*-*-*-*-iso10646-*" },

key.c

@@ -0,0 +1,26 @@
+/*
+ * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+ * See LICENSE file for license details.
+ */
+
+#include "wm.h"
+
+#include <X11/keysym.h>
+
+static Key key[] = {
+	KEYS
+};
+
+void
+update_keys()
+{
+	unsigned int i, len;
+	KeyCode code;
+
+	len = sizeof(key) / sizeof(key[0]);
+	for(i = 0; i < len; i++) {
+		code = XKeysymToKeycode(dpy, key[i].keysym);
+		XUngrabKey(dpy, code, key[i].mod, root);
+		XGrabKey(dpy, code, key[i].mod, root, True, GrabModeAsync, GrabModeAsync);
+	}
+}

wm.c

@@ -24,7 +24,6 @@ Client *client = NULL;
 
 char *bartext, tag[256];
 int screen, sel_screen;
-unsigned int lock_mask, numlock_mask;
 
 /* draw structs */
 Brush brush = {0};
@@ -143,32 +142,6 @@ startup_error_handler(Display *dpy, XErrorEvent *error)
 	return -1;
 }
 
-static void
-init_lock_keys()
-{
-	XModifierKeymap *modmap;
-	KeyCode numlock;
-	int i;
-	static int masks[] = {
-		ShiftMask, LockMask, ControlMask, Mod1Mask,
-		Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
-	};
-
-	numlock_mask = 0;
-	modmap = XGetModifierMapping(dpy);
-	numlock = XKeysymToKeycode(dpy, XStringToKeysym("Num_Lock"));
-
-	if(modmap && modmap->max_keypermod > 0) {
-		int max = (sizeof(masks) / sizeof(int)) * modmap->max_keypermod;
-		for(i = 0; i < max; i++)
-			if(numlock && (modmap->modifiermap[i] == numlock))
-				numlock_mask = masks[i / modmap->max_keypermod];
-	}
-	XFreeModifiermap(modmap);
-
-	lock_mask = 255 & ~(numlock_mask | LockMask);
-}
-
 static void
 cleanup()
 {
@@ -243,7 +216,7 @@ main(int argc, char *argv[])
 	cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
 	cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
 
-	init_lock_keys();
+	update_keys();
 
 	brush.drawable = XCreatePixmap(dpy, root, rect.width, rect.height,
 			DefaultDepth(dpy, screen));

wm.h

@@ -20,6 +20,7 @@ enum { CurNormal, CurResize, CurMove, CurInput, CurLast };
 enum { RFloat, RGrid, RLast };
 
 typedef struct Client Client;
+typedef struct Key Key;
 
 struct Client {
 	char name[256];
@@ -36,6 +37,13 @@ struct Client {
 	Client *snext;
 };
 
+struct Key {
+	unsigned long mod;
+	KeySym keysym;
+	void (*func)(char *arg);
+	char *arg;
+};
+
 extern Display *dpy;
 extern Window root, barwin;
 extern Atom wm_atom[WMLast], net_atom[NetLast];
@@ -46,7 +54,6 @@ extern Bool grid;
 extern void (*handler[LASTEvent]) (XEvent *);
 
 extern int screen, sel_screen;
-extern unsigned int lock_mask, numlock_mask;
 extern char *bartext, tag[256];
 
 extern Brush brush;
@@ -55,9 +62,15 @@ extern Client *client;
 /* bar.c */
 extern void draw_bar();
 
+/* cmd.c */
+extern void run(char *arg);
+
 /* client.c */
 extern Client *create_client(Window w, XWindowAttributes *wa);
 extern void manage(Client *c);
 
+/* key.c */
+extern void update_keys();
+
 /* wm.c */
 extern int win_proto(Window w);