Alter callbacks to take a struct instead of a growing number of arguments;

greatly simplifies upcoming work.

5 files changed, 219 insertions, 222 deletions

diff --git a/calmwm.h b/calmwm.h
index 4106333..193c0b5 100644
--- a/calmwm.h
+++ b/calmwm.h
@@ -66,7 +66,6 @@ enum cwm_status {
 	CWM_RUNNING,
 	CWM_EXEC_WM
 };
-
 enum cursor_font {
 	CF_NORMAL,
 	CF_MOVE,
@@ -156,7 +155,6 @@ struct client_ctx {
 #define CLIENT_FULLSCREEN		0x0800
 #define CLIENT_STICKY			0x1000
 #define CLIENT_ACTIVE			0x2000
-
 #define CLIENT_HIGHLIGHT		(CLIENT_GROUP | CLIENT_UNGROUP)
 #define CLIENT_MAXFLAGS			(CLIENT_VMAXIMIZED | CLIENT_HMAXIMIZED)
 #define CLIENT_MAXIMIZED		(CLIENT_VMAXIMIZED | CLIENT_HMAXIMIZED)
@@ -219,30 +217,29 @@ struct screen_ctx {
 };
 TAILQ_HEAD(screen_q, screen_ctx);
 
-enum xev {
-	CWM_XEV_KEY,
-	CWM_XEV_BTN
-};
-union arg {
-	char	*c;
-	int	 i;
-};
-union press {
-	KeySym		 keysym;
-	unsigned int	 button;
+struct cargs {
+	char		*cmd;
+	int		 flag;
+	enum {
+		CWM_XEV_KEY,
+		CWM_XEV_BTN
+	} xev;
 };
 enum context {
-	CWM_CONTEXT_NONE,
+	CWM_CONTEXT_NONE = 0,
 	CWM_CONTEXT_CC,
 	CWM_CONTEXT_SC
 };
 struct bind_ctx {
 	TAILQ_ENTRY(bind_ctx)	 entry;
-	void			(*callback)(void *, union arg *, enum xev);
-	union arg		 argument;
-	unsigned int		 modmask;
-	union press		 press;
+	void			(*callback)(void *, struct cargs *);
+	struct cargs		*cargs;
 	enum context		 context;
+	unsigned int		 modmask;
+	union {
+		KeySym		 keysym;
+		unsigned int	 button;
+	} press;
 };
 TAILQ_HEAD(keybind_q, bind_ctx);
 TAILQ_HEAD(mousebind_q, bind_ctx);
@@ -462,49 +459,42 @@ void			 screen_update_geometry(struct screen_ctx *);
 void			 screen_updatestackingorder(struct screen_ctx *);
 void			 screen_assert_clients_within(struct screen_ctx *);
 
-void			 kbfunc_cwm_status(void *, union arg *, enum xev);
-void			 kbfunc_ptrmove(void *, union arg *, enum xev);
-void			 kbfunc_client_move(void *, union arg *, enum xev);
-void			 kbfunc_client_resize(void *, union arg *, enum xev);
-void			 kbfunc_client_delete(void *, union arg *, enum xev);
-void			 kbfunc_client_lower(void *, union arg *, enum xev);
-void			 kbfunc_client_raise(void *, union arg *, enum xev);
-void			 kbfunc_client_hide(void *, union arg *, enum xev);
-void			 kbfunc_client_toggle_freeze(void *,
-			     union arg *, enum xev);
-void			 kbfunc_client_toggle_sticky(void *,
-			     union arg *, enum xev);
+void			 kbfunc_cwm_status(void *, struct cargs *);
+void			 kbfunc_ptrmove(void *, struct cargs *);
+void			 kbfunc_client_move(void *, struct cargs *);
+void			 kbfunc_client_resize(void *, struct cargs *);
+void			 kbfunc_client_delete(void *, struct cargs *);
+void			 kbfunc_client_lower(void *, struct cargs *);
+void			 kbfunc_client_raise(void *, struct cargs *);
+void			 kbfunc_client_hide(void *, struct cargs *);
+void			 kbfunc_client_toggle_freeze(void *, struct cargs *);
+void			 kbfunc_client_toggle_sticky(void *, struct cargs *);
 void			 kbfunc_client_toggle_fullscreen(void *,
-			     union arg *, enum xev);
-void			 kbfunc_client_toggle_maximize(void *,
-			     union arg *, enum xev);
-void			 kbfunc_client_toggle_hmaximize(void *,
-			     union arg *, enum xev);
-void			 kbfunc_client_toggle_vmaximize(void *,
-			     union arg *, enum xev);
-void 			 kbfunc_client_htile(void *, union arg *, enum xev);
-void 			 kbfunc_client_vtile(void *, union arg *, enum xev);
-void			 kbfunc_client_cycle(void *, union arg *, enum xev);
-void			 kbfunc_client_toggle_group(void *,
-			     union arg *, enum xev);
-void			 kbfunc_client_movetogroup(void *,
-			     union arg *, enum xev);
-void			 kbfunc_group_toggle(void *, union arg *, enum xev);
-void			 kbfunc_group_only(void *, union arg *, enum xev);
-void			 kbfunc_group_cycle(void *, union arg *, enum xev);
-void			 kbfunc_group_alltoggle(void *, union arg *, enum xev);
-void			 kbfunc_menu_client(void *, union arg *, enum xev);
-void			 kbfunc_menu_cmd(void *, union arg *, enum xev);
-void			 kbfunc_menu_group(void *, union arg *, enum xev);
-void			 kbfunc_menu_exec(void *, union arg *, enum xev);
-void			 kbfunc_menu_ssh(void *, union arg *, enum xev);
-void			 kbfunc_menu_client_label(void *, union arg *, enum xev);
-void			 kbfunc_exec_cmd(void *, union arg *, enum xev);
-void			 kbfunc_exec_lock(void *, union arg *, enum xev);
-void			 kbfunc_exec_term(void *, union arg *, enum xev);
-
-void			 mousefunc_client_move(void *, union arg *, enum xev);
-void			 mousefunc_client_resize(void *, union arg *, enum xev);
+			      struct cargs *);
+void			 kbfunc_client_toggle_maximize(void *, struct cargs *);
+void			 kbfunc_client_toggle_hmaximize(void *, struct cargs *);
+void			 kbfunc_client_toggle_vmaximize(void *, struct cargs *);
+void 			 kbfunc_client_htile(void *, struct cargs *);
+void 			 kbfunc_client_vtile(void *, struct cargs *);
+void			 kbfunc_client_cycle(void *, struct cargs *);
+void			 kbfunc_client_toggle_group(void *, struct cargs *);
+void			 kbfunc_client_movetogroup(void *, struct cargs *);
+void			 kbfunc_group_toggle(void *, struct cargs *);
+void			 kbfunc_group_only(void *, struct cargs *);
+void			 kbfunc_group_cycle(void *, struct cargs *);
+void			 kbfunc_group_alltoggle(void *, struct cargs *);
+void			 kbfunc_menu_client(void *, struct cargs *);
+void			 kbfunc_menu_cmd(void *, struct cargs *);
+void			 kbfunc_menu_group(void *, struct cargs *);
+void			 kbfunc_menu_exec(void *, struct cargs *);
+void			 kbfunc_menu_ssh(void *, struct cargs *);
+void			 kbfunc_menu_client_label(void *, struct cargs *);
+void			 kbfunc_exec_cmd(void *, struct cargs *);
+void			 kbfunc_exec_lock(void *, struct cargs *);
+void			 kbfunc_exec_term(void *, struct cargs *);
+
+void			 mousefunc_client_move(void *, struct cargs *);
+void			 mousefunc_client_resize(void *, struct cargs *);
 
 void			 menu_windraw(struct screen_ctx *, Window,
 			     const char *, ...);
diff --git a/conf.c b/conf.c
index 16e1a54..ac89516 100644
--- a/conf.c
+++ b/conf.c
@@ -56,134 +56,134 @@ static const char *color_binds[] = {
 };
 static const struct {
 	const char	*tag;
-	void		 (*handler)(void *, union arg *, enum xev);
+	void		 (*handler)(void *, struct cargs *);
 	enum context	 context;
-	union arg	 argument;
+	int		 flag;
 } name_to_func[] = {
-	{ "window-menu-label", kbfunc_menu_client_label, CWM_CONTEXT_CC, {0} },
-	{ "window-lower", kbfunc_client_lower, CWM_CONTEXT_CC, {0} },
-	{ "window-raise", kbfunc_client_raise, CWM_CONTEXT_CC, {0} },
-	{ "window-hide", kbfunc_client_hide, CWM_CONTEXT_CC, {0} },
-	{ "window-delete", kbfunc_client_delete, CWM_CONTEXT_CC, {0} },
-	{ "window-htile", kbfunc_client_htile, CWM_CONTEXT_CC, {0} },
-	{ "window-vtile", kbfunc_client_vtile, CWM_CONTEXT_CC, {0} },
-	{ "window-stick", kbfunc_client_toggle_sticky, CWM_CONTEXT_CC, {0} },
-	{ "window-fullscreen", kbfunc_client_toggle_fullscreen, CWM_CONTEXT_CC, {0} },
-	{ "window-maximize", kbfunc_client_toggle_maximize, CWM_CONTEXT_CC, {0} },
-	{ "window-vmaximize", kbfunc_client_toggle_vmaximize, CWM_CONTEXT_CC, {0} },
-	{ "window-hmaximize", kbfunc_client_toggle_hmaximize, CWM_CONTEXT_CC, {0} },
-	{ "window-freeze", kbfunc_client_toggle_freeze, CWM_CONTEXT_CC, {0} },
+	{ "window-menu-label", kbfunc_menu_client_label, CWM_CONTEXT_CC, 0 },
+	{ "window-lower", kbfunc_client_lower, CWM_CONTEXT_CC, 0 },
+	{ "window-raise", kbfunc_client_raise, CWM_CONTEXT_CC, 0 },
+	{ "window-hide", kbfunc_client_hide, CWM_CONTEXT_CC, 0 },
+	{ "window-delete", kbfunc_client_delete, CWM_CONTEXT_CC, 0 },
+	{ "window-htile", kbfunc_client_htile, CWM_CONTEXT_CC, 0 },
+	{ "window-vtile", kbfunc_client_vtile, CWM_CONTEXT_CC, 0 },
+	{ "window-stick", kbfunc_client_toggle_sticky, CWM_CONTEXT_CC, 0 },
+	{ "window-fullscreen", kbfunc_client_toggle_fullscreen, CWM_CONTEXT_CC, 0 },
+	{ "window-maximize", kbfunc_client_toggle_maximize, CWM_CONTEXT_CC, 0 },
+	{ "window-vmaximize", kbfunc_client_toggle_vmaximize, CWM_CONTEXT_CC, 0 },
+	{ "window-hmaximize", kbfunc_client_toggle_hmaximize, CWM_CONTEXT_CC, 0 },
+	{ "window-freeze", kbfunc_client_toggle_freeze, CWM_CONTEXT_CC, 0 },
 	{ "window-cycle", kbfunc_client_cycle, CWM_CONTEXT_SC,
-	    {.i = (CWM_CYCLE_FORWARD)} },
+	    (CWM_CYCLE_FORWARD) },
 	{ "window-rcycle", kbfunc_client_cycle, CWM_CONTEXT_SC,
-	    {.i = (CWM_CYCLE_REVERSE)} },
+	    (CWM_CYCLE_REVERSE) },
 	{ "window-cycle-ingroup", kbfunc_client_cycle, CWM_CONTEXT_SC,
-	    {.i = (CWM_CYCLE_FORWARD | CWM_CYCLE_INGROUP)} },
+	    (CWM_CYCLE_FORWARD | CWM_CYCLE_INGROUP) },
 	{ "window-rcycle-ingroup", kbfunc_client_cycle, CWM_CONTEXT_SC,
-	    {.i = (CWM_CYCLE_REVERSE | CWM_CYCLE_INGROUP)} },
-	{ "window-group", kbfunc_client_toggle_group, CWM_CONTEXT_CC, {0} },
-	{ "window-movetogroup-1", kbfunc_client_movetogroup, CWM_CONTEXT_CC, {.i = 1} },
-	{ "window-movetogroup-2", kbfunc_client_movetogroup, CWM_CONTEXT_CC, {.i = 2} },
-	{ "window-movetogroup-3", kbfunc_client_movetogroup, CWM_CONTEXT_CC, {.i = 3} },
-	{ "window-movetogroup-4", kbfunc_client_movetogroup, CWM_CONTEXT_CC, {.i = 4} },
-	{ "window-movetogroup-5", kbfunc_client_movetogroup, CWM_CONTEXT_CC, {.i = 5} },
-	{ "window-movetogroup-6", kbfunc_client_movetogroup, CWM_CONTEXT_CC, {.i = 6} },
-	{ "window-movetogroup-7", kbfunc_client_movetogroup, CWM_CONTEXT_CC, {.i = 7} },
-	{ "window-movetogroup-8", kbfunc_client_movetogroup, CWM_CONTEXT_CC, {.i = 8} },
-	{ "window-movetogroup-9", kbfunc_client_movetogroup, CWM_CONTEXT_CC, {.i = 9} },
-
-	{ "window-move", mousefunc_client_move, CWM_CONTEXT_CC, {0} },
+	    (CWM_CYCLE_REVERSE | CWM_CYCLE_INGROUP) },
+	{ "window-group", kbfunc_client_toggle_group, CWM_CONTEXT_CC, 0 },
+	{ "window-movetogroup-1", kbfunc_client_movetogroup, CWM_CONTEXT_CC, 1 },
+	{ "window-movetogroup-2", kbfunc_client_movetogroup, CWM_CONTEXT_CC, 2 },
+	{ "window-movetogroup-3", kbfunc_client_movetogroup, CWM_CONTEXT_CC, 3 },
+	{ "window-movetogroup-4", kbfunc_client_movetogroup, CWM_CONTEXT_CC, 4 },
+	{ "window-movetogroup-5", kbfunc_client_movetogroup, CWM_CONTEXT_CC, 5 },
+	{ "window-movetogroup-6", kbfunc_client_movetogroup, CWM_CONTEXT_CC, 6 },
+	{ "window-movetogroup-7", kbfunc_client_movetogroup, CWM_CONTEXT_CC, 7 },
+	{ "window-movetogroup-8", kbfunc_client_movetogroup, CWM_CONTEXT_CC, 8 },
+	{ "window-movetogroup-9", kbfunc_client_movetogroup, CWM_CONTEXT_CC, 9 },
+
+	{ "window-move", mousefunc_client_move, CWM_CONTEXT_CC, 0 },
 	{ "window-move-up", kbfunc_client_move, CWM_CONTEXT_CC,
-	    {.i = (CWM_UP)} },
+	    (CWM_UP) },
 	{ "window-move-down", kbfunc_client_move, CWM_CONTEXT_CC,
-	    {.i = (CWM_DOWN)} },
+	    (CWM_DOWN) },
 	{ "window-move-right", kbfunc_client_move, CWM_CONTEXT_CC,
-	    {.i = (CWM_RIGHT)} },
+	    (CWM_RIGHT) },
 	{ "window-move-left", kbfunc_client_move, CWM_CONTEXT_CC,
-	    {.i = (CWM_LEFT)} },
+	    (CWM_LEFT) },
 	{ "window-move-up-big", kbfunc_client_move, CWM_CONTEXT_CC,
-	    {.i = (CWM_UP | CWM_BIGAMOUNT)} },
+	    (CWM_UP | CWM_BIGAMOUNT) },
 	{ "window-move-down-big", kbfunc_client_move, CWM_CONTEXT_CC,
-	    {.i = (CWM_DOWN | CWM_BIGAMOUNT)} },
+	    (CWM_DOWN | CWM_BIGAMOUNT) },
 	{ "window-move-right-big", kbfunc_client_move, CWM_CONTEXT_CC,
-	    {.i = (CWM_RIGHT | CWM_BIGAMOUNT)} },
+	    (CWM_RIGHT | CWM_BIGAMOUNT) },
 	{ "window-move-left-big", kbfunc_client_move, CWM_CONTEXT_CC,
-	    {.i = (CWM_LEFT | CWM_BIGAMOUNT)} },
-	{ "window-resize", mousefunc_client_resize, CWM_CONTEXT_CC, {0} },
+	    (CWM_LEFT | CWM_BIGAMOUNT) },
+	{ "window-resize", mousefunc_client_resize, CWM_CONTEXT_CC, 0 },
 	{ "window-resize-up", kbfunc_client_resize, CWM_CONTEXT_CC,
-	    {.i = (CWM_UP)} },
+	    (CWM_UP) },
 	{ "window-resize-down", kbfunc_client_resize, CWM_CONTEXT_CC,
-	    {.i = (CWM_DOWN)} },
+	    (CWM_DOWN) },
 	{ "window-resize-right", kbfunc_client_resize, CWM_CONTEXT_CC,
-	    {.i = (CWM_RIGHT)} },
+	    (CWM_RIGHT) },
 	{ "window-resize-left", kbfunc_client_resize, CWM_CONTEXT_CC,
-	    {.i = (CWM_LEFT)} },
+	    (CWM_LEFT) },
 	{ "window-resize-up-big", kbfunc_client_resize, CWM_CONTEXT_CC,
-	    {.i = (CWM_UP | CWM_BIGAMOUNT)} },
+	    (CWM_UP | CWM_BIGAMOUNT) },
 	{ "window-resize-down-big", kbfunc_client_resize, CWM_CONTEXT_CC,
-	    {.i = (CWM_DOWN | CWM_BIGAMOUNT)} },
+	    (CWM_DOWN | CWM_BIGAMOUNT) },
 	{ "window-resize-right-big", kbfunc_client_resize, CWM_CONTEXT_CC,
-	    {.i = (CWM_RIGHT | CWM_BIGAMOUNT)} },
+	    (CWM_RIGHT | CWM_BIGAMOUNT) },
 	{ "window-resize-left-big", kbfunc_client_resize, CWM_CONTEXT_CC,
-	    {.i = (CWM_LEFT | CWM_BIGAMOUNT)} },
+	    (CWM_LEFT | CWM_BIGAMOUNT) },
 
 	{ "group-cycle", kbfunc_group_cycle, CWM_CONTEXT_SC,
-	    {.i = (CWM_CYCLE_FORWARD)} },
+	    (CWM_CYCLE_FORWARD) },
 	{ "group-rcycle", kbfunc_group_cycle, CWM_CONTEXT_SC,
-	    {.i = (CWM_CYCLE_REVERSE)} },
-	{ "group-toggle-all", kbfunc_group_alltoggle, CWM_CONTEXT_SC, {0} },
-	{ "group-toggle-1", kbfunc_group_toggle, CWM_CONTEXT_SC, {.i = 1} },
-	{ "group-toggle-2", kbfunc_group_toggle, CWM_CONTEXT_SC, {.i = 2} },
-	{ "group-toggle-3", kbfunc_group_toggle, CWM_CONTEXT_SC, {.i = 3} },
-	{ "group-toggle-4", kbfunc_group_toggle, CWM_CONTEXT_SC, {.i = 4} },
-	{ "group-toggle-5", kbfunc_group_toggle, CWM_CONTEXT_SC, {.i = 5} },
-	{ "group-toggle-6", kbfunc_group_toggle, CWM_CONTEXT_SC, {.i = 6} },
-	{ "group-toggle-7", kbfunc_group_toggle, CWM_CONTEXT_SC, {.i = 7} },
-	{ "group-toggle-8", kbfunc_group_toggle, CWM_CONTEXT_SC, {.i = 8} },
-	{ "group-toggle-9", kbfunc_group_toggle, CWM_CONTEXT_SC, {.i = 9} },
-	{ "group-only-1", kbfunc_group_only, CWM_CONTEXT_SC, {.i = 1} },
-	{ "group-only-2", kbfunc_group_only, CWM_CONTEXT_SC, {.i = 2} },
-	{ "group-only-3", kbfunc_group_only, CWM_CONTEXT_SC, {.i = 3} },
-	{ "group-only-4", kbfunc_group_only, CWM_CONTEXT_SC, {.i = 4} },
-	{ "group-only-5", kbfunc_group_only, CWM_CONTEXT_SC, {.i = 5} },
-	{ "group-only-6", kbfunc_group_only, CWM_CONTEXT_SC, {.i = 6} },
-	{ "group-only-7", kbfunc_group_only, CWM_CONTEXT_SC, {.i = 7} },
-	{ "group-only-8", kbfunc_group_only, CWM_CONTEXT_SC, {.i = 8} },
-	{ "group-only-9", kbfunc_group_only, CWM_CONTEXT_SC, {.i = 9} },
+	    (CWM_CYCLE_REVERSE) },
+	{ "group-toggle-all", kbfunc_group_alltoggle, CWM_CONTEXT_SC, 0 },
+	{ "group-toggle-1", kbfunc_group_toggle, CWM_CONTEXT_SC, 1 },
+	{ "group-toggle-2", kbfunc_group_toggle, CWM_CONTEXT_SC, 2 },
+	{ "group-toggle-3", kbfunc_group_toggle, CWM_CONTEXT_SC, 3 },
+	{ "group-toggle-4", kbfunc_group_toggle, CWM_CONTEXT_SC, 4 },
+	{ "group-toggle-5", kbfunc_group_toggle, CWM_CONTEXT_SC, 5 },
+	{ "group-toggle-6", kbfunc_group_toggle, CWM_CONTEXT_SC, 6 },
+	{ "group-toggle-7", kbfunc_group_toggle, CWM_CONTEXT_SC, 7 },
+	{ "group-toggle-8", kbfunc_group_toggle, CWM_CONTEXT_SC, 8 },
+	{ "group-toggle-9", kbfunc_group_toggle, CWM_CONTEXT_SC, 9 },
+	{ "group-only-1", kbfunc_group_only, CWM_CONTEXT_SC, 1 },
+	{ "group-only-2", kbfunc_group_only, CWM_CONTEXT_SC, 2 },
+	{ "group-only-3", kbfunc_group_only, CWM_CONTEXT_SC, 3 },
+	{ "group-only-4", kbfunc_group_only, CWM_CONTEXT_SC, 4 },
+	{ "group-only-5", kbfunc_group_only, CWM_CONTEXT_SC, 5 },
+	{ "group-only-6", kbfunc_group_only, CWM_CONTEXT_SC, 6 },
+	{ "group-only-7", kbfunc_group_only, CWM_CONTEXT_SC, 7 },
+	{ "group-only-8", kbfunc_group_only, CWM_CONTEXT_SC, 8 },
+	{ "group-only-9", kbfunc_group_only, CWM_CONTEXT_SC, 9 },
 
 	{ "pointer-move-up", kbfunc_ptrmove, CWM_CONTEXT_SC,
-	    {.i = (CWM_UP)} },
+	    (CWM_UP) },
 	{ "pointer-move-down", kbfunc_ptrmove, CWM_CONTEXT_SC,
-	    {.i = (CWM_DOWN)} },
+	    (CWM_DOWN) },
 	{ "pointer-move-left", kbfunc_ptrmove, CWM_CONTEXT_SC,
-	    {.i = (CWM_LEFT)} },
+	    (CWM_LEFT) },
 	{ "pointer-move-right", kbfunc_ptrmove, CWM_CONTEXT_SC,
-	    {.i = (CWM_RIGHT)} },
+	    (CWM_RIGHT) },
 	{ "pointer-move-up-big", kbfunc_ptrmove, CWM_CONTEXT_SC,
-	    {.i = (CWM_UP | CWM_BIGAMOUNT)} },
+	    (CWM_UP | CWM_BIGAMOUNT) },
 	{ "pointer-move-down-big", kbfunc_ptrmove, CWM_CONTEXT_SC,
-	    {.i = (CWM_DOWN | CWM_BIGAMOUNT)} },
+	    (CWM_DOWN | CWM_BIGAMOUNT) },
 	{ "pointer-move-left-big", kbfunc_ptrmove, CWM_CONTEXT_SC,
-	    {.i = (CWM_LEFT | CWM_BIGAMOUNT)} },
+	    (CWM_LEFT | CWM_BIGAMOUNT) },
 	{ "pointer-move-right-big", kbfunc_ptrmove, CWM_CONTEXT_SC,
-	    {.i = (CWM_RIGHT | CWM_BIGAMOUNT)} },
+	    (CWM_RIGHT | CWM_BIGAMOUNT) },
 
-	{ "menu-cmd", kbfunc_menu_cmd, CWM_CONTEXT_SC, {0} },
-	{ "menu-group", kbfunc_menu_group, CWM_CONTEXT_SC, {0} },
-	{ "menu-ssh", kbfunc_menu_ssh, CWM_CONTEXT_SC, {0} },
+	{ "menu-cmd", kbfunc_menu_cmd, CWM_CONTEXT_SC, 0 },
+	{ "menu-group", kbfunc_menu_group, CWM_CONTEXT_SC, 0 },
+	{ "menu-ssh", kbfunc_menu_ssh, CWM_CONTEXT_SC, 0 },
 	{ "menu-window", kbfunc_menu_client, CWM_CONTEXT_SC,
-	    {.i = CWM_MENU_WINDOW_ALL} },
+	    CWM_MENU_WINDOW_ALL },
 	{ "menu-window-hidden", kbfunc_menu_client, CWM_CONTEXT_SC,
-	    {.i = CWM_MENU_WINDOW_HIDDEN} },
+	    CWM_MENU_WINDOW_HIDDEN },
 	{ "menu-exec", kbfunc_menu_exec, CWM_CONTEXT_SC,
-	    {.i = CWM_MENU_EXEC_EXEC} },
+	    CWM_MENU_EXEC_EXEC },
 	{ "menu-exec-wm", kbfunc_menu_exec, CWM_CONTEXT_SC,
-	    {.i = CWM_MENU_EXEC_WM} },
+	    CWM_MENU_EXEC_WM },
 
-	{ "terminal", kbfunc_exec_term, CWM_CONTEXT_SC, {0} },
-	{ "lock", kbfunc_exec_lock, CWM_CONTEXT_SC, {0} },
-	{ "restart", kbfunc_cwm_status, CWM_CONTEXT_SC, {.i = CWM_EXEC_WM} },
-	{ "quit", kbfunc_cwm_status, CWM_CONTEXT_SC, {.i = CWM_QUIT} },
+	{ "terminal", kbfunc_exec_term, CWM_CONTEXT_SC, 0 },
+	{ "lock", kbfunc_exec_lock, CWM_CONTEXT_SC, 0 },
+	{ "restart", kbfunc_cwm_status, CWM_CONTEXT_SC, CWM_EXEC_WM },
+	{ "quit", kbfunc_cwm_status, CWM_CONTEXT_SC, CWM_QUIT },
 
 };
 static unsigned int ignore_mods[] = {
@@ -510,12 +510,13 @@ int
 conf_bind_key(struct conf *c, const char *bind, const char *cmd)
 {
 	struct bind_ctx	*kb;
+	struct cargs	*cargs;
 	const char	*key;
 	unsigned int	 i;
 
 	if ((strcmp(bind, "all") == 0) && (cmd == NULL)) {
 		conf_unbind_key(c, NULL);
-		goto out;
+		return(1);
 	}
 	kb = xmalloc(sizeof(*kb));
 	key = conf_bind_getmask(bind, &kb->modmask);
@@ -528,22 +529,24 @@ conf_bind_key(struct conf *c, const char *bind, const char *cmd)
 	conf_unbind_key(c, kb);
 	if (cmd == NULL) {
 		free(kb);
-		goto out;
+		return(1);
 	}
+	cargs = xcalloc(1, sizeof(*cargs));
 	for (i = 0; i < nitems(name_to_func); i++) {
 		if (strcmp(name_to_func[i].tag, cmd) != 0)
 			continue;
 		kb->callback = name_to_func[i].handler;
 		kb->context = name_to_func[i].context;
-		kb->argument = name_to_func[i].argument;
-		TAILQ_INSERT_TAIL(&c->keybindq, kb, entry);
+		cargs->flag = name_to_func[i].flag;
 		goto out;
 	}
 	kb->callback = kbfunc_exec_cmd;
 	kb->context = CWM_CONTEXT_NONE;
-	kb->argument.c = xstrdup(cmd);
-	TAILQ_INSERT_TAIL(&c->keybindq, kb, entry);
+	cargs->flag = 0;
+	cargs->cmd = xstrdup(cmd);
 out:
+	kb->cargs = cargs;
+	TAILQ_INSERT_TAIL(&c->keybindq, kb, entry);
 	return(1);
 }
 
@@ -557,8 +560,8 @@ conf_unbind_key(struct conf *c, struct bind_ctx *unbind)
 		    ((key->modmask == unbind->modmask) &&
 		     (key->press.keysym == unbind->press.keysym))) {
 			TAILQ_REMOVE(&c->keybindq, key, entry);
-			if (key->context == CWM_CONTEXT_NONE)
-				free(key->argument.c);
+			free(key->cargs->cmd);
+			free(key->cargs);
 			free(key);
 		}
 	}
@@ -568,12 +571,13 @@ int
 conf_bind_mouse(struct conf *c, const char *bind, const char *cmd)
 {
 	struct bind_ctx	*mb;
+	struct cargs	*cargs;
 	const char	*button, *errstr;
 	unsigned int	 i;
 
 	if ((strcmp(bind, "all") == 0) && (cmd == NULL)) {
 		conf_unbind_mouse(c, NULL);
-		goto out;
+		return(1);
 	}
 	mb = xmalloc(sizeof(*mb));
 	button = conf_bind_getmask(bind, &mb->modmask);
@@ -586,22 +590,24 @@ conf_bind_mouse(struct conf *c, const char *bind, const char *cmd)
 	conf_unbind_mouse(c, mb);
 	if (cmd == NULL) {
 		free(mb);
-		goto out;
+		return(1);
 	}
+	cargs = xcalloc(1, sizeof(*cargs));
 	for (i = 0; i < nitems(name_to_func); i++) {
 		if (strcmp(name_to_func[i].tag, cmd) != 0)
 			continue;
 		mb->callback = name_to_func[i].handler;
 		mb->context = name_to_func[i].context;
-		mb->argument = name_to_func[i].argument;
-		TAILQ_INSERT_TAIL(&c->mousebindq, mb, entry);
+		cargs->flag = name_to_func[i].flag;
 		goto out;
 	}
 	mb->callback = kbfunc_exec_cmd;
 	mb->context = CWM_CONTEXT_NONE;
-	mb->argument.c = xstrdup(cmd);
-	TAILQ_INSERT_TAIL(&c->mousebindq, mb, entry);
+	cargs->flag = 0;
+	cargs->cmd = xstrdup(cmd);
 out:
+	mb->cargs = cargs;
+	TAILQ_INSERT_TAIL(&c->mousebindq, mb, entry);
 	return(1);
 }
 
@@ -615,8 +621,8 @@ conf_unbind_mouse(struct conf *c, struct bind_ctx *unbind)
 		    ((mb->modmask == unbind->modmask) &&
 		     (mb->press.button == unbind->press.button))) {
 			TAILQ_REMOVE(&c->mousebindq, mb, entry);
-			if (mb->context == CWM_CONTEXT_NONE)
-				free(mb->argument.c);
+			free(mb->cargs->cmd);
+			free(mb->cargs);
 			free(mb);
 		}
 	}
diff --git a/kbfunc.c b/kbfunc.c
index d038e1d..f705b9d 100644
--- a/kbfunc.c
+++ b/kbfunc.c
@@ -41,9 +41,9 @@ extern sig_atomic_t	 cwm_status;
 static void kbfunc_amount(int, int, int *, int *);
 
 void
-kbfunc_cwm_status(void *ctx, union arg *arg, enum xev xev)
+kbfunc_cwm_status(void *ctx, struct cargs *cargs)
 {
-	cwm_status = arg->i;
+	cwm_status = cargs->flag;
 }
 
 static void
@@ -71,20 +71,20 @@ kbfunc_amount(int flags, int amt, int *mx, int *my)
 }
 
 void
-kbfunc_ptrmove(void *ctx, union arg *arg, enum xev xev)
+kbfunc_ptrmove(void *ctx, struct cargs *cargs)
 {
 	struct screen_ctx	*sc = ctx;
 	int			 x, y;
 	int			 mx = 0, my = 0;
 
-	kbfunc_amount(arg->i, Conf.mamount, &mx, &my);
+	kbfunc_amount(cargs->flag, Conf.mamount, &mx, &my);
 
 	xu_ptr_getpos(sc->rootwin, &x, &y);
 	xu_ptr_setpos(sc->rootwin, x + mx, y + my);
 }
 
 void
-kbfunc_client_move(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_move(void *ctx, struct cargs *cargs)
 {
 	struct client_ctx	*cc = ctx;
 	struct screen_ctx	*sc = cc->sc;
@@ -94,7 +94,7 @@ kbfunc_client_move(void *ctx, union arg *arg, enum xev xev)
 	if (cc->flags & CLIENT_FREEZE)
 		return;
 
-	kbfunc_amount(arg->i, Conf.mamount, &mx, &my);
+	kbfunc_amount(cargs->flag, Conf.mamount, &mx, &my);
 
 	cc->geom.x += mx;
 	if (cc->geom.x < -(cc->geom.w + cc->bwidth - 1))
@@ -122,7 +122,7 @@ kbfunc_client_move(void *ctx, union arg *arg, enum xev xev)
 }
 
 void
-kbfunc_client_resize(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_resize(void *ctx, struct cargs *cargs)
 {
 	struct client_ctx	*cc = ctx;
 	int			 mx = 0, my = 0;
@@ -134,7 +134,7 @@ kbfunc_client_resize(void *ctx, union arg *arg, enum xev xev)
 	if (!(cc->hint.flags & PResizeInc))
 		amt = Conf.mamount;
 
-	kbfunc_amount(arg->i, amt, &mx, &my);
+	kbfunc_amount(cargs->flag, amt, &mx, &my);
 
 	if ((cc->geom.w += mx * cc->hint.incw) < cc->hint.minw)
 		cc->geom.w = cc->hint.minw;
@@ -150,137 +150,136 @@ kbfunc_client_resize(void *ctx, union arg *arg, enum xev xev)
 }
 
 void
-kbfunc_client_delete(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_delete(void *ctx, struct cargs *cargs)
 {
 	client_send_delete(ctx);
 }
 
 void
-kbfunc_client_lower(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_lower(void *ctx, struct cargs *cargs)
 {
 	client_ptrsave(ctx);
 	client_lower(ctx);
 }
 
 void
-kbfunc_client_raise(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_raise(void *ctx, struct cargs *cargs)
 {
 	client_raise(ctx);
 }
 
 void
-kbfunc_client_hide(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_hide(void *ctx, struct cargs *cargs)
 {
 	client_hide(ctx);
 }
 
 void
-kbfunc_client_toggle_freeze(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_toggle_freeze(void *ctx, struct cargs *cargs)
 {
 	client_toggle_freeze(ctx);
 }
 
 void
-kbfunc_client_toggle_sticky(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_toggle_sticky(void *ctx, struct cargs *cargs)
 {
 	client_toggle_sticky(ctx);
 }
 
 void
-kbfunc_client_toggle_fullscreen(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_toggle_fullscreen(void *ctx, struct cargs *cargs)
 {
 	client_toggle_fullscreen(ctx);
 }
 
 void
-kbfunc_client_toggle_maximize(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_toggle_maximize(void *ctx, struct cargs *cargs)
 {
 	client_toggle_maximize(ctx);
 }
 
 void
-kbfunc_client_toggle_hmaximize(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_toggle_hmaximize(void *ctx, struct cargs *cargs)
 {
 	client_toggle_hmaximize(ctx);
 }
 
 void
-kbfunc_client_toggle_vmaximize(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_toggle_vmaximize(void *ctx, struct cargs *cargs)
 {
 	client_toggle_vmaximize(ctx);
 }
 
 void
-kbfunc_client_htile(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_htile(void *ctx, struct cargs *cargs)
 {
 	client_htile(ctx);
 }
 
 void
-kbfunc_client_vtile(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_vtile(void *ctx, struct cargs *cargs)
 {
 	client_vtile(ctx);
 }
 
 void
-kbfunc_client_cycle(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_cycle(void *ctx, struct cargs *cargs)
 {
-	client_cycle(ctx, arg->i);
+	client_cycle(ctx, cargs->flag);
 }
 
 void
-kbfunc_client_toggle_group(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_toggle_group(void *ctx, struct cargs *cargs)
 {
 	struct client_ctx	*cc = ctx;
 
-	if (xev == CWM_XEV_KEY) {
-		/* For X apps that steal events. */
+	/* For X apps that steal events. */
+	if (cargs->xev == CWM_XEV_KEY)
 		XGrabKeyboard(X_Dpy, cc->win, True,
 		    GrabModeAsync, GrabModeAsync, CurrentTime);
-	}
 
 	group_toggle_membership_enter(cc);
 }
 
 void
-kbfunc_client_movetogroup(void *ctx, union arg *arg, enum xev xev)
+kbfunc_client_movetogroup(void *ctx, struct cargs *cargs)
 {
-	group_movetogroup(ctx, arg->i);
+	group_movetogroup(ctx, cargs->flag);
 }
 
 void
-kbfunc_group_toggle(void *ctx, union arg *arg, enum xev xev)
+kbfunc_group_toggle(void *ctx, struct cargs *cargs)
 {
-	group_hidetoggle(ctx, arg->i);
+	group_hidetoggle(ctx, cargs->flag);
 }
 
 void
-kbfunc_group_only(void *ctx, union arg *arg, enum xev xev)
+kbfunc_group_only(void *ctx, struct cargs *cargs)
 {
-	group_only(ctx, arg->i);
+	group_only(ctx, cargs->flag);
 }
 
 void
-kbfunc_group_cycle(void *ctx, union arg *arg, enum xev xev)
+kbfunc_group_cycle(void *ctx, struct cargs *cargs)
 {
-	group_cycle(ctx, arg->i);
+	group_cycle(ctx, cargs->flag);
 }
 
 void
-kbfunc_group_alltoggle(void *ctx, union arg *arg, enum xev xev)
+kbfunc_group_alltoggle(void *ctx, struct cargs *cargs)
 {
 	group_alltoggle(ctx);
 }
 
 void
-kbfunc_menu_client(void *ctx, union arg *arg, enum xev xev)
+kbfunc_menu_client(void *ctx, struct cargs *cargs)
 {
 	struct screen_ctx	*sc = ctx;
 	struct client_ctx	*cc, *old_cc;
 	struct menu		*mi;
 	struct menu_q		 menuq;
-	int			 m = (xev == CWM_XEV_BTN);
-	int			 all = (arg->i & CWM_MENU_WINDOW_ALL);
+	int			 m = (cargs->xev == CWM_XEV_BTN);
+	int			 all = (cargs->flag & CWM_MENU_WINDOW_ALL);
 
 	old_cc = client_current();
 
@@ -311,13 +310,13 @@ kbfunc_menu_client(void *ctx, union arg *arg, enum xev xev)
 }
 
 void
-kbfunc_menu_cmd(void *ctx, union arg *arg, enum xev xev)
+kbfunc_menu_cmd(void *ctx, struct cargs *cargs)
 {
 	struct screen_ctx	*sc = ctx;
 	struct cmd_ctx		*cmd;
 	struct menu		*mi;
 	struct menu_q		 menuq;
-	int			 m = (xev == CWM_XEV_BTN);
+	int			 m = (cargs->xev == CWM_XEV_BTN);
 
 	TAILQ_INIT(&menuq);
 	TAILQ_FOREACH(cmd, &Conf.cmdq, entry) {
@@ -340,13 +339,13 @@ kbfunc_menu_cmd(void *ctx, union arg *arg, enum xev xev)
 }
 
 void
-kbfunc_menu_group(void *ctx, union arg *arg, enum xev xev)
+kbfunc_menu_group(void *ctx, struct cargs *cargs)
 {
 	struct screen_ctx	*sc = ctx;
 	struct group_ctx	*gc;
 	struct menu		*mi;
 	struct menu_q		 menuq;
-	int			 m = (xev == CWM_XEV_BTN);
+	int			 m = (cargs->xev == CWM_XEV_BTN);
 
 	TAILQ_INIT(&menuq);
 	TAILQ_FOREACH(gc, &sc->groupq, entry) {
@@ -367,7 +366,7 @@ kbfunc_menu_group(void *ctx, union arg *arg, enum xev xev)
 }
 
 void
-kbfunc_menu_exec(void *ctx, union arg *arg, enum xev xev)
+kbfunc_menu_exec(void *ctx, struct cargs *cargs)
 {
 #define NPATHS 256
 	struct screen_ctx	*sc = ctx;
@@ -379,7 +378,7 @@ kbfunc_menu_exec(void *ctx, union arg *arg, enum xev xev)
 	struct dirent		*dp;
 	struct menu		*mi;
 	struct menu_q		 menuq;
-	int			 l, i, cmd = arg->i;
+	int			 l, i, cmd = cargs->flag;
 
 	switch (cmd) {
 	case CWM_MENU_EXEC_EXEC:
@@ -457,7 +456,7 @@ out:
 }
 
 void
-kbfunc_menu_ssh(void *ctx, union arg *arg, enum xev xev)
+kbfunc_menu_ssh(void *ctx, struct cargs *cargs)
 {
 	struct screen_ctx	*sc = ctx;
 	struct cmd_ctx		*cmd;
@@ -524,7 +523,7 @@ out:
 }
 
 void
-kbfunc_menu_client_label(void *ctx, union arg *arg, enum xev xev)
+kbfunc_menu_client_label(void *ctx, struct cargs *cargs)
 {
 	struct client_ctx	*cc = ctx;
 	struct menu		*mi;
@@ -544,13 +543,13 @@ kbfunc_menu_client_label(void *ctx, union arg *arg, enum xev xev)
 }
 
 void
-kbfunc_exec_cmd(void *ctx, union arg *arg, enum xev xev)
+kbfunc_exec_cmd(void *ctx, struct cargs *cargs)
 {
-	u_spawn(arg->c);
+	u_spawn(cargs->cmd);
 }
 
 void
-kbfunc_exec_term(void *ctx, union arg *arg, enum xev xev)
+kbfunc_exec_term(void *ctx, struct cargs *cargs)
 {
 	struct cmd_ctx	*cmd;
 
@@ -561,7 +560,7 @@ kbfunc_exec_term(void *ctx, union arg *arg, enum xev xev)
 }
 
 void
-kbfunc_exec_lock(void *ctx, union arg *arg, enum xev xev)
+kbfunc_exec_lock(void *ctx, struct cargs *cargs)
 {
 	struct cmd_ctx	*cmd;
 
diff --git a/mousefunc.c b/mousefunc.c
index fa671cc..494f52d 100644
--- a/mousefunc.c
+++ b/mousefunc.c
@@ -33,7 +33,7 @@
 #include "calmwm.h"
 
 void
-mousefunc_client_resize(void *ctx, union arg *arg, enum xev xev)
+mousefunc_client_resize(void *ctx, struct cargs *cargs)
 {
 	struct client_ctx	*cc = ctx;
 	XEvent			 ev;
@@ -87,7 +87,7 @@ mousefunc_client_resize(void *ctx, union arg *arg, enum xev xev)
 }
 
 void
-mousefunc_client_move(void *ctx, union arg *arg, enum xev xev)
+mousefunc_client_move(void *ctx, struct cargs *cargs)
 {
 	struct client_ctx	*cc = ctx;
 	XEvent			 ev;
diff --git a/xevents.c b/xevents.c
index 946ea98..cc3515a 100644
--- a/xevents.c
+++ b/xevents.c
@@ -233,22 +233,23 @@ xev_handle_buttonpress(XEvent *ee)
 
 	if (mb == NULL)
 		return;
+	mb->cargs->xev = CWM_XEV_BTN;
 	switch (mb->context) {
 	case CWM_CONTEXT_CC:
 		if (((cc = client_find(e->window)) == NULL) &&
 		    (cc = client_current()) == NULL)
 			return;
-		(*mb->callback)(cc, &mb->argument, CWM_XEV_BTN);
+		(*mb->callback)(cc, mb->cargs);
 		break;
 	case CWM_CONTEXT_SC:
 		if (e->window != e->root)
 			return;
 		if ((sc = screen_find(e->window)) == NULL)
 			return;
-		(*mb->callback)(sc, &mb->argument, CWM_XEV_BTN);
+		(*mb->callback)(sc, mb->cargs);
 		break;
 	case CWM_CONTEXT_NONE:
-		(*mb->callback)(NULL, &mb->argument, CWM_XEV_BTN);
+		(*mb->callback)(NULL, mb->cargs);
 		break;
 	}
 }
@@ -295,20 +296,21 @@ xev_handle_keypress(XEvent *ee)
 
 	if (kb == NULL)
 		return;
+	kb->cargs->xev = CWM_XEV_KEY;
 	switch (kb->context) {
 	case CWM_CONTEXT_CC:
 		if (((cc = client_find(e->window)) == NULL) &&
 		    (cc = client_current()) == NULL)
 			return;
-		(*kb->callback)(cc, &kb->argument, CWM_XEV_KEY);
+		(*kb->callback)(cc, kb->cargs);
 		break;
 	case CWM_CONTEXT_SC:
 		if ((sc = screen_find(e->window)) == NULL)
 			return;
-		(*kb->callback)(sc, &kb->argument, CWM_XEV_KEY);
+		(*kb->callback)(sc, kb->cargs);
 		break;
 	case CWM_CONTEXT_NONE:
-		(*kb->callback)(NULL, &kb->argument, CWM_XEV_KEY);
+		(*kb->callback)(NULL, kb->cargs);
 		break;
 	}
 }