dwm

my fork of dwm
Index Commits Files Refs README LICENSE
commit 2c477cf66147d369ae8ff17acdce743c6811ee6a
parent 986ca73074ef165880c75ee46a4eb6a1b328dc5b
Author: Anselm R. Garbe <arg@suckless.org>
Date:   Thu, 22 Feb 2007 11:42:08 +0100

replaced Arg union with const char *arg, seems cleaner to me, even if we need atoi() in some places
Diffstat:
Mclient.c | 4++--
Mconfig.arg.h | 108++++++++++++++++++++++++++++++++++++++++----------------------------------------
Mconfig.default.h | 102++++++++++++++++++++++++++++++++++++++++----------------------------------------
Mdwm.h | 35+++++++++++++++--------------------
Mevent.c | 28+++++++++++++++-------------
Mlayout.c | 38+++++++++++++++++++++-----------------
Mmain.c | 2+-
Mtag.c | 50+++++++++++++++++++++++++++-----------------------
Mutil.c | 8++++----
9 files changed, 190 insertions(+), 185 deletions(-)
diff --git a/client.c b/client.c
@@ -153,7 +153,7 @@ focus(Client *c) {
 }
 
 void
-killclient(Arg arg) {
+killclient(const char *arg) {
     if(!sel)
         return;
     if(isprotodel(sel))
@@ -285,7 +285,7 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
 }
 
 void
-toggleversatile(Arg arg) {
+toggleversatile(const char *arg) {
     if(!sel || lt->arrange == versatile)
         return;
     sel->isversatile = !sel->isversatile;
diff --git a/config.arg.h b/config.arg.h
@@ -42,59 +42,59 @@ static Layout layout[] = { \
 static Key key[] = { \
     /* modifier            key        function    argument */ \
     { MODKEY,            XK_p,        spawn, \
-        { .cmd = "exe=\"$(lsx `echo $PATH | sed 's/:/ /g'` | sort -u " \
-            " | dmenu -fn '"FONT"' -nb '"NORMBGCOLOR"' -nf '"NORMFGCOLOR"' " \
-            "-sb '"SELBGCOLOR"' -sf '"SELFGCOLOR"')\" && exec $exe" } }, \
+        "exe=\"$(lsx `echo $PATH | sed 's/:/ /g'` | sort -u " \
+        " | dmenu -fn '"FONT"' -nb '"NORMBGCOLOR"' -nf '"NORMFGCOLOR"' " \
+        "-sb '"SELBGCOLOR"' -sf '"SELFGCOLOR"')\" && exec $exe" }, \
     { MODKEY|ShiftMask,        XK_Return,    spawn, \
-        { .cmd = "exec urxvtcd -tr -bg '#292929' -fg '#eee' -cr '#eee' +sb -fn '"FONT"'" } }, \
-    { MODKEY,            XK_space,    setlayout,    { .i = -1 } }, \
-    { MODKEY,            XK_d,        incnmaster,    { .i = -1 } }, \
-    { MODKEY,            XK_i,        incnmaster,    { .i = 1 } }, \
-    { MODKEY,            XK_h,        incmasterw,    { .i = -15 } }, \
-    { MODKEY,            XK_l,        incmasterw,    { .i = 15 } }, \
-    { MODKEY,            XK_j,        focusnext,    { 0 } }, \
-    { MODKEY,            XK_k,        focusprev,    { 0 } }, \
-    { MODKEY,            XK_m,        togglemax,    { 0 } }, \
-    { MODKEY,            XK_Return,    zoom,        { 0 } }, \
-    { MODKEY|ShiftMask,        XK_space,    toggleversatile,{ 0 } }, \
-    { MODKEY|ShiftMask,        XK_c,        killclient,    { 0 } }, \
-    { MODKEY,            XK_0,        view,        { .i = -1 } }, \
-    { MODKEY,            XK_1,        view,        { .i = 0 } }, \
-    { MODKEY,            XK_2,        view,        { .i = 1 } }, \
-    { MODKEY,            XK_3,        view,        { .i = 2 } }, \
-    { MODKEY,            XK_4,        view,        { .i = 3 } }, \
-    { MODKEY,            XK_5,        view,        { .i = 4 } }, \
-    { MODKEY,            XK_6,        view,        { .i = 5 } }, \
-    { MODKEY,            XK_7,        view,        { .i = 6 } }, \
-    { MODKEY,            XK_8,        view,        { .i = 7 } }, \
-    { MODKEY,            XK_9,        view,        { .i = 8 } }, \
-    { MODKEY|ControlMask,        XK_1,        toggleview,    { .i = 0 } }, \
-    { MODKEY|ControlMask,        XK_2,        toggleview,    { .i = 1 } }, \
-    { MODKEY|ControlMask,        XK_3,        toggleview,    { .i = 2 } }, \
-    { MODKEY|ControlMask,        XK_4,        toggleview,    { .i = 3 } }, \
-    { MODKEY|ControlMask,        XK_5,        toggleview,    { .i = 4 } }, \
-    { MODKEY|ControlMask,        XK_6,        toggleview,    { .i = 5 } }, \
-    { MODKEY|ControlMask,        XK_7,        toggleview,    { .i = 6 } }, \
-    { MODKEY|ControlMask,        XK_8,        toggleview,    { .i = 7 } }, \
-    { MODKEY|ControlMask,        XK_9,        toggleview,    { .i = 8 } }, \
-    { MODKEY|ShiftMask,        XK_0,        tag,        { .i = -1 } }, \
-    { MODKEY|ShiftMask,        XK_1,        tag,        { .i = 0 } }, \
-    { MODKEY|ShiftMask,        XK_2,        tag,        { .i = 1 } }, \
-    { MODKEY|ShiftMask,        XK_3,        tag,        { .i = 2 } }, \
-    { MODKEY|ShiftMask,        XK_4,        tag,        { .i = 3 } }, \
-    { MODKEY|ShiftMask,        XK_5,        tag,        { .i = 4 } }, \
-    { MODKEY|ShiftMask,        XK_6,        tag,        { .i = 5 } }, \
-    { MODKEY|ShiftMask,        XK_7,        tag,        { .i = 6 } }, \
-    { MODKEY|ShiftMask,        XK_8,        tag,        { .i = 7 } }, \
-    { MODKEY|ShiftMask,        XK_9,        tag,        { .i = 8 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_1,        toggletag,    { .i = 0 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_2,        toggletag,    { .i = 1 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_3,        toggletag,    { .i = 2 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_4,        toggletag,    { .i = 3 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_5,        toggletag,    { .i = 4 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_6,        toggletag,    { .i = 5 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_7,        toggletag,    { .i = 6 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_8,        toggletag,    { .i = 7 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_9,        toggletag,    { .i = 8 } }, \
-    { MODKEY|ShiftMask,        XK_q,        quit,        { 0 } }, \
+        "exec urxvtcd -tr -bg '#292929' -fg '#eee' -cr '#eee' +sb -fn '"FONT"'" }, \
+    { MODKEY,            XK_space,    setlayout,    NULL }, \
+    { MODKEY,            XK_d,        incnmaster,    "-1" }, \
+    { MODKEY,            XK_i,        incnmaster,    "1" }, \
+    { MODKEY,            XK_h,        incmasterw,    "-15" }, \
+    { MODKEY,            XK_l,        incmasterw,    "15" }, \
+    { MODKEY,            XK_j,        focusnext,    NULL }, \
+    { MODKEY,            XK_k,        focusprev,    NULL }, \
+    { MODKEY,            XK_m,        togglemax,    NULL }, \
+    { MODKEY,            XK_Return,    zoom,        NULL }, \
+    { MODKEY|ShiftMask,        XK_space,    toggleversatile,NULL }, \
+    { MODKEY|ShiftMask,        XK_c,        killclient,    NULL }, \
+    { MODKEY,            XK_0,        view,        NULL }, \
+    { MODKEY,            XK_1,        view,        "0" }, \
+    { MODKEY,            XK_2,        view,        "1" }, \
+    { MODKEY,            XK_3,        view,        "2" }, \
+    { MODKEY,            XK_4,        view,        "3" }, \
+    { MODKEY,            XK_5,        view,        "4" }, \
+    { MODKEY,            XK_6,        view,        "5" }, \
+    { MODKEY,            XK_7,        view,        "6" }, \
+    { MODKEY,            XK_8,        view,        "7" }, \
+    { MODKEY,            XK_9,        view,        "8" }, \
+    { MODKEY|ControlMask,        XK_1,        toggleview,    "0" }, \
+    { MODKEY|ControlMask,        XK_2,        toggleview,    "1" }, \
+    { MODKEY|ControlMask,        XK_3,        toggleview,    "2" }, \
+    { MODKEY|ControlMask,        XK_4,        toggleview,    "3" }, \
+    { MODKEY|ControlMask,        XK_5,        toggleview,    "4" }, \
+    { MODKEY|ControlMask,        XK_6,        toggleview,    "5" }, \
+    { MODKEY|ControlMask,        XK_7,        toggleview,    "6" }, \
+    { MODKEY|ControlMask,        XK_8,        toggleview,    "7" }, \
+    { MODKEY|ControlMask,        XK_9,        toggleview,    "8" }, \
+    { MODKEY|ShiftMask,        XK_0,        tag,        NULL }, \
+    { MODKEY|ShiftMask,        XK_1,        tag,        "0" }, \
+    { MODKEY|ShiftMask,        XK_2,        tag,        "1" }, \
+    { MODKEY|ShiftMask,        XK_3,        tag,        "2" }, \
+    { MODKEY|ShiftMask,        XK_4,        tag,        "3" }, \
+    { MODKEY|ShiftMask,        XK_5,        tag,        "4" }, \
+    { MODKEY|ShiftMask,        XK_6,        tag,        "5" }, \
+    { MODKEY|ShiftMask,        XK_7,        tag,        "6" }, \
+    { MODKEY|ShiftMask,        XK_8,        tag,        "7" }, \
+    { MODKEY|ShiftMask,        XK_9,        tag,        "8" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_1,        toggletag,    "0" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_2,        toggletag,    "1" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_3,        toggletag,    "2" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_4,        toggletag,    "3" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_5,        toggletag,    "4" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_6,        toggletag,    "5" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_7,        toggletag,    "6" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_8,        toggletag,    "7" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_9,        toggletag,    "8" }, \
+    { MODKEY|ShiftMask,        XK_q,        quit,        NULL }, \
 };
diff --git a/config.default.h b/config.default.h
@@ -42,55 +42,55 @@ static Layout layout[] = { \
 #define KEYS \
 static Key key[] = { \
     /* modifier            key        function    argument */ \
-    { MODKEY|ShiftMask,        XK_Return,    spawn,        { .cmd = "exec xterm" } }, \
-    { MODKEY,            XK_space,    setlayout,    { .i = -1 } }, \
-    { MODKEY,            XK_d,        incnmaster,    { .i = -1 } }, \
-    { MODKEY,            XK_i,        incnmaster,    { .i = 1 } }, \
-    { MODKEY,            XK_h,        incmasterw,    { .i = -15 } }, \
-    { MODKEY,            XK_l,        incmasterw,    { .i = 15 } }, \
-    { MODKEY,            XK_j,        focusnext,    { 0 } }, \
-    { MODKEY,            XK_k,        focusprev,    { 0 } }, \
-    { MODKEY,            XK_m,        togglemax,    { 0 } }, \
-    { MODKEY,            XK_Return,    zoom,        { 0 } }, \
-    { MODKEY|ShiftMask,        XK_space,    toggleversatile,{ 0 } }, \
-    { MODKEY|ShiftMask,        XK_c,        killclient,    { 0 } }, \
-    { MODKEY,            XK_0,        view,        { .i = -1 } }, \
-    { MODKEY,            XK_1,        view,        { .i = 0 } }, \
-    { MODKEY,            XK_2,        view,        { .i = 1 } }, \
-    { MODKEY,            XK_3,        view,        { .i = 2 } }, \
-    { MODKEY,            XK_4,        view,        { .i = 3 } }, \
-    { MODKEY,            XK_5,        view,        { .i = 4 } }, \
-    { MODKEY,            XK_6,        view,        { .i = 5 } }, \
-    { MODKEY,            XK_7,        view,        { .i = 6 } }, \
-    { MODKEY,            XK_8,        view,        { .i = 7 } }, \
-    { MODKEY,            XK_9,        view,        { .i = 8 } }, \
-    { MODKEY|ControlMask,        XK_1,        toggleview,    { .i = 0 } }, \
-    { MODKEY|ControlMask,        XK_2,        toggleview,    { .i = 1 } }, \
-    { MODKEY|ControlMask,        XK_3,        toggleview,    { .i = 2 } }, \
-    { MODKEY|ControlMask,        XK_4,        toggleview,    { .i = 3 } }, \
-    { MODKEY|ControlMask,        XK_5,        toggleview,    { .i = 4 } }, \
-    { MODKEY|ControlMask,        XK_6,        toggleview,    { .i = 5 } }, \
-    { MODKEY|ControlMask,        XK_7,        toggleview,    { .i = 6 } }, \
-    { MODKEY|ControlMask,        XK_8,        toggleview,    { .i = 7 } }, \
-    { MODKEY|ControlMask,        XK_9,        toggleview,    { .i = 8 } }, \
-    { MODKEY|ShiftMask,        XK_0,        tag,        { .i = -1 } }, \
-    { MODKEY|ShiftMask,        XK_1,        tag,        { .i = 0 } }, \
-    { MODKEY|ShiftMask,        XK_2,        tag,        { .i = 1 } }, \
-    { MODKEY|ShiftMask,        XK_3,        tag,        { .i = 2 } }, \
-    { MODKEY|ShiftMask,        XK_4,        tag,        { .i = 3 } }, \
-    { MODKEY|ShiftMask,        XK_5,        tag,        { .i = 4 } }, \
-    { MODKEY|ShiftMask,        XK_6,        tag,        { .i = 5 } }, \
-    { MODKEY|ShiftMask,        XK_7,        tag,        { .i = 6 } }, \
-    { MODKEY|ShiftMask,        XK_8,        tag,        { .i = 7 } }, \
-    { MODKEY|ShiftMask,        XK_9,        tag,        { .i = 8 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_1,        toggletag,    { .i = 0 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_2,        toggletag,    { .i = 1 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_3,        toggletag,    { .i = 2 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_4,        toggletag,    { .i = 3 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_5,        toggletag,    { .i = 4 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_6,        toggletag,    { .i = 5 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_7,        toggletag,    { .i = 6 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_8,        toggletag,    { .i = 7 } }, \
-    { MODKEY|ControlMask|ShiftMask,    XK_9,        toggletag,    { .i = 8 } }, \
-    { MODKEY|ShiftMask,        XK_q,        quit,        { 0 } }, \
+    { MODKEY|ShiftMask,        XK_Return,    spawn,        "exec xterm" }, \
+    { MODKEY,            XK_space,    setlayout,    NULL }, \
+    { MODKEY,            XK_d,        incnmaster,    "-1" }, \
+    { MODKEY,            XK_i,        incnmaster,    "1" }, \
+    { MODKEY,            XK_h,        incmasterw,    "-15" }, \
+    { MODKEY,            XK_l,        incmasterw,    "15" }, \
+    { MODKEY,            XK_j,        focusnext,    NULL }, \
+    { MODKEY,            XK_k,        focusprev,    NULL }, \
+    { MODKEY,            XK_m,        togglemax,    NULL }, \
+    { MODKEY,            XK_Return,    zoom,        NULL }, \
+    { MODKEY|ShiftMask,        XK_space,    toggleversatile,NULL }, \
+    { MODKEY|ShiftMask,        XK_c,        killclient,    NULL }, \
+    { MODKEY,            XK_0,        view,        NULL }, \
+    { MODKEY,            XK_1,        view,        "0" }, \
+    { MODKEY,            XK_2,        view,        "1" }, \
+    { MODKEY,            XK_3,        view,        "2" }, \
+    { MODKEY,            XK_4,        view,        "3" }, \
+    { MODKEY,            XK_5,        view,        "4" }, \
+    { MODKEY,            XK_6,        view,        "5" }, \
+    { MODKEY,            XK_7,        view,        "6" }, \
+    { MODKEY,            XK_8,        view,        "7" }, \
+    { MODKEY,            XK_9,        view,        "8" }, \
+    { MODKEY|ControlMask,        XK_1,        toggleview,    "0" }, \
+    { MODKEY|ControlMask,        XK_2,        toggleview,    "1" }, \
+    { MODKEY|ControlMask,        XK_3,        toggleview,    "2" }, \
+    { MODKEY|ControlMask,        XK_4,        toggleview,    "3" }, \
+    { MODKEY|ControlMask,        XK_5,        toggleview,    "4" }, \
+    { MODKEY|ControlMask,        XK_6,        toggleview,    "5" }, \
+    { MODKEY|ControlMask,        XK_7,        toggleview,    "6" }, \
+    { MODKEY|ControlMask,        XK_8,        toggleview,    "7" }, \
+    { MODKEY|ControlMask,        XK_9,        toggleview,    "8" }, \
+    { MODKEY|ShiftMask,        XK_0,        tag,        NULL }, \
+    { MODKEY|ShiftMask,        XK_1,        tag,        "0" }, \
+    { MODKEY|ShiftMask,        XK_2,        tag,        "1" }, \
+    { MODKEY|ShiftMask,        XK_3,        tag,        "2" }, \
+    { MODKEY|ShiftMask,        XK_4,        tag,        "3" }, \
+    { MODKEY|ShiftMask,        XK_5,        tag,        "4" }, \
+    { MODKEY|ShiftMask,        XK_6,        tag,        "5" }, \
+    { MODKEY|ShiftMask,        XK_7,        tag,        "6" }, \
+    { MODKEY|ShiftMask,        XK_8,        tag,        "7" }, \
+    { MODKEY|ShiftMask,        XK_9,        tag,        "8" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_1,        toggletag,    "0" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_2,        toggletag,    "1" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_3,        toggletag,    "2" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_4,        toggletag,    "3" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_5,        toggletag,    "4" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_6,        toggletag,    "5" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_7,        toggletag,    "6" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_8,        toggletag,    "7" }, \
+    { MODKEY|ControlMask|ShiftMask,    XK_9,        toggletag,    "8" }, \
+    { MODKEY|ShiftMask,        XK_q,        quit,        NULL }, \
 };
diff --git a/dwm.h b/dwm.h
@@ -41,11 +41,6 @@ enum { WMProtocols, WMDelete, WMState, WMLast };	/* default atoms */
 enum { CurNormal, CurResize, CurMove, CurLast };    /* cursor */
 enum { ColBorder, ColFG, ColBG, ColLast };        /* color */
 
-typedef union {
-    const char *cmd;
-    int i;
-} Arg; /* argument type */
-
 typedef struct {
     int ascent;
     int descent;
@@ -106,11 +101,11 @@ extern void attach(Client *c);			/* attaches c to global client list */
 extern void configure(Client *c);        /* send synthetic configure event */
 extern void detach(Client *c);            /* detaches c from global client list */
 extern void focus(Client *c);            /* focus c, c may be NULL */
-extern void killclient(Arg arg);        /* kill c nicely */
+extern void killclient(const char *arg);        /* kill c nicely */
 extern void manage(Window w, XWindowAttributes *wa);    /* manage new client */
 extern void resize(Client *c, int x, int y,
         int w, int h, Bool sizehints);    /* resize with given coordinates c*/
-extern void toggleversatile(Arg arg);        /* toggles focused client between versatile/and non-versatile state */
+extern void toggleversatile(const char *arg);        /* toggles focused client between versatile/and non-versatile state */
 extern void updatesizehints(Client *c);        /* update the size hint variables of c */
 extern void updatetitle(Client *c);        /* update the name of c */
 extern void unmanage(Client *c);        /* destroy c */
@@ -125,19 +120,19 @@ extern unsigned int textw(const char *text);	/* return the width of text in px*/
 extern void grabkeys(void);            /* grab all keys defined in config.h */
 
 /* layout.c */
-extern void focusnext(Arg arg);        /* focuses next visible client, arg is ignored  */
-extern void focusprev(Arg arg);        /* focuses previous visible client, arg is ignored */
-extern void incmasterw(Arg arg);        /* increments the master width with arg's index value */
-extern void incnmaster(Arg arg);        /* increments nmaster with arg's index value */
+extern void focusnext(const char *arg);        /* focuses next visible client, arg is ignored  */
+extern void focusprev(const char *arg);        /* focuses previous visible client, arg is ignored */
+extern void incmasterw(const char *arg);        /* increments the master width with arg's index value */
+extern void incnmaster(const char *arg);        /* increments nmaster with arg's index value */
 extern void initlayouts(void);            /* initialize layout array */
 extern Client *nexttiled(Client *c);        /* returns tiled successor of c */
 extern void restack(void);            /* restores z layers of all clients */
-extern void setlayout(Arg arg);        /* sets layout, -1 toggles */
-extern void togglemax(Arg arg);            /* toggles maximization of versatile client */
+extern void setlayout(const char *arg);        /* sets layout, -1 toggles */
+extern void togglemax(const char *arg);            /* toggles maximization of versatile client */
 extern void versatile(void);            /* arranges all windows versatile */
 
 /* main.c */
-extern void quit(Arg arg);            /* quit dwm nicely */
+extern void quit(const char *arg);            /* quit dwm nicely */
 extern void sendevent(Window w, Atom a, long value);    /* send synthetic event to w */
 extern int xerror(Display *dsply, XErrorEvent *ee);    /* dwm's X error handler */
 
@@ -145,14 +140,14 @@ extern int xerror(Display *dsply, XErrorEvent *ee);	/* dwm's X error handler */
 extern void compileregs(void);            /* initialize regexps of rules defined in config.h */
 extern Bool isvisible(Client *c);        /* returns True if client is visible */
 extern void settags(Client *c, Client *trans);    /* sets tags of c */
-extern void tag(Arg arg);            /* tags c with arg's index */
-extern void toggletag(Arg arg);        /* toggles c tags with arg's index */
-extern void toggleview(Arg arg);        /* toggles the tag with arg's index (in)visible */
-extern void view(Arg arg);            /* views the tag with arg's index */
-extern void zoom(Arg arg);            /* zooms the focused client to master area, arg is ignored */
+extern void tag(const char *arg);            /* tags c with arg's index */
+extern void toggletag(const char *arg);        /* toggles c tags with arg's index */
+extern void toggleview(const char *arg);        /* toggles the tag with arg's index (in)visible */
+extern void view(const char *arg);            /* views the tag with arg's index */
+extern void zoom(const char *arg);            /* zooms the focused client to master area, arg is ignored */
 
 /* util.c */
 extern void *emallocz(unsigned int size);    /* allocates zero-initialized memory, exits on error */
 extern void eprint(const char *errstr, ...);    /* prints errstr and exits with 1 */
-extern void spawn(Arg arg);            /* forks a new subprocess with arg's cmd */
+extern void spawn(const char *arg);            /* forks a new subprocess with arg's cmd */
 
diff --git a/event.c b/event.c
@@ -2,6 +2,7 @@
  * See LICENSE file for license details.
  */
 #include "dwm.h"
+#include <stdio.h>
 #include <stdlib.h>
 #include <X11/keysym.h>
 #include <X11/Xatom.h>
@@ -11,8 +12,8 @@
 typedef struct {
     unsigned long mod;
     KeySym keysym;
-    void (*func)(Arg arg);
-    Arg arg;
+    void (*func)(const char *arg);
+    const char *arg;
 } Key;
 
 KEYS
@@ -112,27 +113,29 @@ resizemouse(Client *c) {
 
 static void
 buttonpress(XEvent *e) {
-    int x;
-    Arg a;
+    static char arg[8];
+    int i, x;
     Client *c;
     XButtonPressedEvent *ev = &e->xbutton;
 
+    arg[0] = 0;
     if(barwin == ev->window) {
         x = 0;
-        for(a.i = 0; a.i < ntags; a.i++) {
-            x += textw(tags[a.i]);
+        for(i = 0; i < ntags; i++) {
+            x += textw(tags[i]);
             if(ev->x < x) {
+                snprintf(arg, sizeof arg, "%d", i);
                 if(ev->button == Button1) {
                     if(ev->state & MODKEY)
-                        tag(a);
+                        tag(arg);
                     else
-                        view(a);
+                        view(arg);
                 }
                 else if(ev->button == Button3) {
                     if(ev->state & MODKEY)
-                        toggletag(a);
+                        toggletag(arg);
                     else
-                        toggleview(a);
+                        toggleview(arg);
                 }
                 return;
             }
@@ -140,8 +143,7 @@ buttonpress(XEvent *e) {
         if(ev->x < x + blw)
             switch(ev->button) {
             case Button1:
-                a.i = -1;
-                setlayout(a);
+                setlayout("-1");
                 break;
             }
     }
@@ -154,7 +156,7 @@ buttonpress(XEvent *e) {
             movemouse(c);
         }
         else if(ev->button == Button2)
-            zoom(a);
+            zoom(NULL);
         else if(ev->button == Button3
         && (lt->arrange == versatile || c->isversatile) && !c->isfixed)
         {
diff --git a/layout.c b/layout.c
@@ -69,7 +69,7 @@ LAYOUTS
 /* extern */
 
 void
-focusnext(Arg arg) {
+focusnext(const char *arg) {
     Client *c;
    
     if(!sel)
@@ -84,7 +84,7 @@ focusnext(Arg arg) {
 }
 
 void
-focusprev(Arg arg) {
+focusprev(const char *arg) {
     Client *c;
 
     if(!sel)
@@ -101,26 +101,29 @@ focusprev(Arg arg) {
 }
 
 void
-incmasterw(Arg arg) {
+incmasterw(const char *arg) {
+    int i;
     if(lt->arrange != tile)
         return;
-    if(arg.i == 0)
+    if(!arg)
         masterw = MASTERWIDTH;
     else {
-        if(waw * (masterw + arg.i) / 1000 >= waw - 2 * BORDERPX
-        || waw * (masterw + arg.i) / 1000 <= 2 * BORDERPX)
+        i = atoi(arg);
+        if(waw * (masterw + i) / 1000 >= waw - 2 * BORDERPX
+        || waw * (masterw + i) / 1000 <= 2 * BORDERPX)
             return;
-        masterw += arg.i;
+        masterw += i;
     }
     lt->arrange();
 }
 
 void
-incnmaster(Arg arg) {
-    if((lt->arrange != tile) || (nmaster + arg.i < 1)
-    || (wah / (nmaster + arg.i) <= 2 * BORDERPX))
+incnmaster(const char *arg) {
+    int i = arg ? atoi(arg) : 0;
+    if((lt->arrange != tile) || (nmaster + i < 1)
+    || (wah / (nmaster + i) <= 2 * BORDERPX))
         return;
-    nmaster += arg.i;
+    nmaster += i;
     if(sel)
         lt->arrange();
     else
@@ -170,10 +173,10 @@ restack(void) {
 }
 
 void
-setlayout(Arg arg) {
+setlayout(const char *arg) {
     unsigned int i;
 
-    if(arg.i == -1) {
+    if(!arg) {
         for(i = 0; i < nlayouts && lt != &layout[i]; i++);
         if(i == nlayouts - 1)
             lt = &layout[0];
@@ -181,9 +184,10 @@ setlayout(Arg arg) {
             lt = &layout[++i];
     }
     else {
-        if(arg.i < 0 || arg.i >= nlayouts)
+        i = atoi(arg);
+        if(i < 0 || i >= nlayouts)
             return;
-        lt = &layout[arg.i];
+        lt = &layout[i];
     }
     if(sel)
         lt->arrange();
@@ -192,7 +196,7 @@ setlayout(Arg arg) {
 }
 
 void
-togglemax(Arg arg) {
+togglemax(const char *arg) {
     XEvent ev;
 
     if(!sel || (lt->arrange != versatile && !sel->isversatile) || sel->isfixed)
@@ -234,7 +238,7 @@ versatile(void) {
 }
 
 void
-zoom(Arg arg) {
+zoom(const char *arg) {
     unsigned int n;
     Client *c;
 
diff --git a/main.c b/main.c
@@ -236,7 +236,7 @@ sendevent(Window w, Atom a, long value) {
 }
 
 void
-quit(Arg arg) {
+quit(const char *arg) {
     readin = running = False;
 }
 
diff --git a/tag.c b/tag.c
@@ -102,49 +102,53 @@ settags(Client *c, Client *trans) {
 }
 
 void
-tag(Arg arg) {
-    unsigned int i;
+tag(const char *arg) {
+    int i;
 
     if(!sel)
         return;
     for(i = 0; i < ntags; i++)
-        sel->tags[i] = (arg.i == -1) ? True : False;
-    if(arg.i >= 0 && arg.i < ntags)
-        sel->tags[arg.i] = True;
+        sel->tags[i] = arg ? False : True;
+    i = arg ? atoi(arg) : 0;
+    if(i >= 0 && i < ntags)
+        sel->tags[i] = True;
     lt->arrange();
 }
 
 void
-toggletag(Arg arg) {
-    unsigned int i;
+toggletag(const char *arg) {
+    int i, j;
 
     if(!sel)
         return;
-    sel->tags[arg.i] = !sel->tags[arg.i];
-    for(i = 0; i < ntags && !sel->tags[i]; i++);
-    if(i == ntags)
-        sel->tags[arg.i] = True;
+    i = arg ? atoi(arg) : 0;
+    sel->tags[i] = !sel->tags[i];
+    for(j = 0; j < ntags && !sel->tags[j]; j++);
+    if(j == ntags)
+        sel->tags[i] = True;
     lt->arrange();
 }
 
 void
-toggleview(Arg arg) {
-    unsigned int i;
-
-    seltag[arg.i] = !seltag[arg.i];
-    for(i = 0; i < ntags && !seltag[i]; i++);
-    if(i == ntags)
-        seltag[arg.i] = True; /* cannot toggle last view */
+toggleview(const char *arg) {
+    int i, j;
+
+    i = arg ? atoi(arg) : 0;
+    seltag[i] = !seltag[i];
+    for(j = 0; j < ntags && !seltag[j]; i++);
+    if(j == ntags)
+        seltag[i] = True; /* cannot toggle last view */
     lt->arrange();
 }
 
 void
-view(Arg arg) {
-    unsigned int i;
+view(const char *arg) {
+    int i;
 
     for(i = 0; i < ntags; i++)
-        seltag[i] = (arg.i == -1) ? True : False;
-    if(arg.i >= 0 && arg.i < ntags)
-        seltag[arg.i] = True;
+        seltag[i] = arg ? False : True;
+    i = arg ? atoi(arg) : 0;
+    if(i >= 0 && i < ntags)
+        seltag[i] = True;
     lt->arrange();
 }
diff --git a/util.c b/util.c
@@ -30,12 +30,12 @@ eprint(const char *errstr, ...) {
 }
 
 void
-spawn(Arg arg) {
+spawn(const char *arg) {
     static char *shell = NULL;
 
     if(!shell && !(shell = getenv("SHELL")))
         shell = "/bin/sh";
-    if(!arg.cmd)
+    if(!arg)
         return;
     /* The double-fork construct avoids zombie processes and keeps the code
      * clean from stupid signal handlers. */
@@ -44,8 +44,8 @@ spawn(Arg arg) {
             if(dpy)
                 close(ConnectionNumber(dpy));
             setsid();
-            execl(shell, shell, "-c", arg.cmd, (char *)NULL);
-            fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg.cmd);
+            execl(shell, shell, "-c", arg, (char *)NULL);
+            fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg);
             perror(" failed");
         }
         exit(0);