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merged tag.c, view.c and tile.c to manage.c
authorAnselm R. Garbe <arg@suckless.org>
Mon, 19 Feb 2007 13:44:05 +0000 (14:44 +0100)
committerAnselm R. Garbe <arg@suckless.org>
Mon, 19 Feb 2007 13:44:05 +0000 (14:44 +0100)
Makefile
dwm.h
manage.c [new file with mode: 0644]
tag.c [deleted file]
tile.c [deleted file]
view.c [deleted file]

index 18626a7..31ae1c1 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 
 include config.mk
 
-SRC = client.c draw.c event.c main.c tile.c tag.c util.c view.c
+SRC = client.c draw.c event.c main.c manage.c util.c
 OBJ = ${SRC:.c=.o}
 
 all: options dwm
diff --git a/dwm.h b/dwm.h
index 4a820b0..318ce9e 100644 (file)
--- a/dwm.h
+++ b/dwm.h
@@ -101,7 +101,6 @@ extern Window root, barwin;
 /* client.c */
 extern void configure(Client *c);              /* send synthetic configure event */
 extern void focus(Client *c);                  /* focus c, c may be NULL */
-extern Bool isprotodel(Client *c);             /* returns True if c->win supports wmatom[WMDelete] */
 extern void killclient(Arg *arg);              /* kill c nicely */
 extern void manage(Window w, XWindowAttributes *wa);   /* manage new client */
 extern void resize(Client *c, int x, int y,
@@ -125,36 +124,31 @@ extern void quit(Arg *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 */
 
-/* tag.c */
-extern void compileregexps(void);              /* initialize regexps of rules defined in config.h */
-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 */
-
-/* tile.c */
-extern void dotile(void);                      /* arranges all windows tiled */
-extern void incnmaster(Arg *arg);              /* increments nmaster with arg's index value */
-extern void resizemaster(Arg *arg);            /* resizes the master percent with arg's index value */
-extern void zoom(Arg *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 to arg's cmd */
-
-/* view.c */
+/* manage.c */
 extern void attach(Client *c);                 /* attaches c to global client list */
 extern void attachstack(Client *c);            /* attaches client to stack */
-extern void dofloat(void);                     /* arranges all windows floating */
+extern void compileregexps(void);              /* initialize regexps of rules defined in config.h */
 extern void detach(Client *c);                 /* detaches c from global client list */
 extern void detachstack(Client *c);            /* detaches client from stack */
+extern void dofloat(void);                     /* arranges all windows floating */
+extern void dotile(void);                      /* arranges all windows tiled */
 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 Client *getclient(Window w);            /* return client of w */
+extern void incnmaster(Arg *arg);              /* increments nmaster with arg's index value */
 extern Bool isvisible(Client *c);              /* returns True if client is visible */
-extern Client *nextmanaged(Client *c);         /* returns managed successor of c */
+extern void resizemaster(Arg *arg);            /* resizes the master percent with arg's index value */
 extern void restack(void);                     /* restores z layers of all clients */
+extern void settags(Client *c, Client *trans); /* sets tags of c */
+extern void tag(Arg *arg);                     /* tags c with arg's index */
 extern void togglefloat(Arg *arg);             /* toggles focusesd client between floating/non-floating state */
 extern void togglemode(Arg *arg);              /* toggles global arrange function (dotile/dofloat) */
+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 */
+
+/* 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 to arg's cmd */
diff --git a/manage.c b/manage.c
new file mode 100644 (file)
index 0000000..1e0cb5c
--- /dev/null
+++ b/manage.c
@@ -0,0 +1,418 @@
+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
+ * See LICENSE file for license details.
+ */
+#include "dwm.h"
+#include <regex.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <X11/Xutil.h>
+
+void (*arrange)(void) = DEFMODE;
+unsigned int master = MASTER;
+unsigned int nmaster = NMASTER;
+
+/* static */
+
+typedef struct {
+       const char *clpattern;
+       const char *tpattern;
+       Bool isfloat;
+} Rule;
+
+typedef struct {
+       regex_t *clregex;
+       regex_t *tregex;
+} RReg;
+
+TAGS
+RULES
+
+static RReg *rreg = NULL;
+static unsigned int len = 0;
+
+static Client *
+nextmanaged(Client *c) {
+       for(; c && (c->isfloat || !isvisible(c)); c = c->next);
+       return c;
+}
+
+static void
+togglemax(Client *c) {
+       XEvent ev;
+
+       if(c->isfixed)
+               return;
+       if((c->ismax = !c->ismax)) {
+               c->rx = c->x;
+               c->ry = c->y;
+               c->rw = c->w;
+               c->rh = c->h;
+               resize(c, wax, way, waw - 2 * BORDERPX, wah - 2 * BORDERPX, True);
+       }
+       else
+               resize(c, c->rx, c->ry, c->rw, c->rh, True);
+       while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
+
+/* extern */
+
+void
+attach(Client *c) {
+       if(clients)
+               clients->prev = c;
+       c->next = clients;
+       clients = c;
+}
+
+void
+attachstack(Client *c) {
+       c->snext = stack;
+       stack = c;
+}
+
+void
+compileregexps(void) {
+       unsigned int i;
+       regex_t *reg;
+
+       if(rreg)
+               return;
+       len = sizeof rule / sizeof rule[0];
+       rreg = emallocz(len * sizeof(RReg));
+       for(i = 0; i < len; i++) {
+               if(rule[i].clpattern) {
+                       reg = emallocz(sizeof(regex_t));
+                       if(regcomp(reg, rule[i].clpattern, REG_EXTENDED))
+                               free(reg);
+                       else
+                               rreg[i].clregex = reg;
+               }
+               if(rule[i].tpattern) {
+                       reg = emallocz(sizeof(regex_t));
+                       if(regcomp(reg, rule[i].tpattern, REG_EXTENDED))
+                               free(reg);
+                       else
+                               rreg[i].tregex = reg;
+               }
+       }
+}
+
+void
+detach(Client *c) {
+       if(c->prev)
+               c->prev->next = c->next;
+       if(c->next)
+               c->next->prev = c->prev;
+       if(c == clients)
+               clients = c->next;
+       c->next = c->prev = NULL;
+}
+
+void
+detachstack(Client *c) {
+       Client **tc;
+       for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
+       *tc = c->snext;
+}
+
+void
+dofloat(void) {
+       Client *c;
+
+       for(c = clients; c; c = c->next) {
+               if(isvisible(c)) {
+                       if(c->isbanned)
+                               XMoveWindow(dpy, c->win, c->x, c->y);
+                       c->isbanned = False;
+                       resize(c, c->x, c->y, c->w, c->h, True);
+               }
+               else {
+                       c->isbanned = True;
+                       XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+               }
+       }
+       if(!sel || !isvisible(sel)) {
+               for(c = stack; c && !isvisible(c); c = c->snext);
+               focus(c);
+       }
+       restack();
+}
+void
+dotile(void) {
+       unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
+       Client *c;
+
+       for(n = 0, c = nextmanaged(clients); c; c = nextmanaged(c->next))
+               n++;
+       /* window geoms */
+       mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
+       mw = (n > nmaster) ? (waw * master) / 1000 : waw;
+       th = (n > nmaster) ? wah / (n - nmaster) : 0;
+       tw = waw - mw;
+
+       for(i = 0, c = clients; c; c = c->next)
+               if(isvisible(c)) {
+                       if(c->isbanned)
+                               XMoveWindow(dpy, c->win, c->x, c->y);
+                       c->isbanned = False;
+                       if(c->isfloat)
+                               continue;
+                       c->ismax = False;
+                       nx = wax;
+                       ny = way;
+                       if(i < nmaster) {
+                               ny += i * mh;
+                               nw = mw - 2 * BORDERPX;
+                               nh = mh - 2 * BORDERPX;
+                       }
+                       else {  /* tile window */
+                               nx += mw;
+                               nw = tw - 2 * BORDERPX;
+                               if(th > 2 * BORDERPX) {
+                                       ny += (i - nmaster) * th;
+                                       nh = th - 2 * BORDERPX;
+                               }
+                               else /* fallback if th <= 2 * BORDERPX */
+                                       nh = wah - 2 * BORDERPX;
+                       }
+                       resize(c, nx, ny, nw, nh, False);
+                       i++;
+               }
+               else {
+                       c->isbanned = True;
+                       XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+               }
+       if(!sel || !isvisible(sel)) {
+               for(c = stack; c && !isvisible(c); c = c->snext);
+               focus(c);
+       }
+       restack();
+}
+
+void
+focusnext(Arg *arg) {
+       Client *c;
+   
+       if(!sel)
+               return;
+       for(c = sel->next; c && !isvisible(c); c = c->next);
+       if(!c)
+               for(c = clients; c && !isvisible(c); c = c->next);
+       if(c) {
+               focus(c);
+               restack();
+       }
+}
+
+void
+focusprev(Arg *arg) {
+       Client *c;
+
+       if(!sel)
+               return;
+       for(c = sel->prev; c && !isvisible(c); c = c->prev);
+       if(!c) {
+               for(c = clients; c && c->next; c = c->next);
+               for(; c && !isvisible(c); c = c->prev);
+       }
+       if(c) {
+               focus(c);
+               restack();
+       }
+}
+
+Client *
+getclient(Window w) {
+       Client *c;
+
+       for(c = clients; c; c = c->next)
+               if(c->win == w)
+                       return c;
+       return NULL;
+}
+
+void
+incnmaster(Arg *arg) {
+       if((arrange == dofloat) || (nmaster + arg->i < 1)
+       || (wah / (nmaster + arg->i) <= 2 * BORDERPX))
+               return;
+       nmaster += arg->i;
+       if(sel)
+               arrange();
+       else
+               drawstatus();
+}
+
+Bool
+isvisible(Client *c) {
+       unsigned int i;
+
+       for(i = 0; i < ntags; i++)
+               if(c->tags[i] && seltag[i])
+                       return True;
+       return False;
+}
+
+void
+resizemaster(Arg *arg) {
+       if(arrange != dotile)
+               return;
+       if(arg->i == 0)
+               master = MASTER;
+       else {
+               if(waw * (master + arg->i) / 1000 >= waw - 2 * BORDERPX
+               || waw * (master + arg->i) / 1000 <= 2 * BORDERPX)
+                       return;
+               master += arg->i;
+       }
+       arrange();
+}
+
+void
+restack(void) {
+       Client *c;
+       XEvent ev;
+
+       drawstatus();
+       if(!sel)
+               return;
+       if(sel->isfloat || arrange == dofloat)
+               XRaiseWindow(dpy, sel->win);
+       if(arrange != dofloat) {
+               if(!sel->isfloat)
+                       XLowerWindow(dpy, sel->win);
+               for(c = nextmanaged(clients); c; c = nextmanaged(c->next)) {
+                       if(c == sel)
+                               continue;
+                       XLowerWindow(dpy, c->win);
+               }
+       }
+       XSync(dpy, False);
+       while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
+
+void
+settags(Client *c, Client *trans) {
+       char prop[512];
+       unsigned int i, j;
+       regmatch_t tmp;
+       Bool matched = trans != NULL;
+       XClassHint ch = { 0 };
+
+       if(matched)
+               for(i = 0; i < ntags; i++)
+                       c->tags[i] = trans->tags[i];
+       else {
+               XGetClassHint(dpy, c->win, &ch);
+               snprintf(prop, sizeof prop, "%s:%s:%s",
+                               ch.res_class ? ch.res_class : "",
+                               ch.res_name ? ch.res_name : "", c->name);
+               for(i = 0; i < len; i++)
+                       if(rreg[i].clregex && !regexec(rreg[i].clregex, prop, 1, &tmp, 0)) {
+                               c->isfloat = rule[i].isfloat;
+                               for(j = 0; rreg[i].tregex && j < ntags; j++) {
+                                       if(!regexec(rreg[i].tregex, tags[j], 1, &tmp, 0)) {
+                                               matched = True;
+                                               c->tags[j] = True;
+                                       }
+                               }
+                       }
+               if(ch.res_class)
+                       XFree(ch.res_class);
+               if(ch.res_name)
+                       XFree(ch.res_name);
+       }
+       if(!matched)
+               for(i = 0; i < ntags; i++)
+                       c->tags[i] = seltag[i];
+}
+
+void
+tag(Arg *arg) {
+       unsigned 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;
+       arrange();
+}
+
+void
+togglefloat(Arg *arg) {
+       if(!sel || arrange == dofloat)
+               return;
+       sel->isfloat = !sel->isfloat;
+       arrange();
+}
+
+void
+toggletag(Arg *arg) {
+       unsigned int i;
+
+       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;
+       arrange();
+}
+
+void
+togglemode(Arg *arg) {
+       arrange = (arrange == dofloat) ? dotile : dofloat;
+       if(sel)
+               arrange();
+       else
+               drawstatus();
+}
+
+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 */
+       arrange();
+}
+
+void
+view(Arg *arg) {
+       unsigned 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;
+       arrange();
+}
+
+void
+zoom(Arg *arg) {
+       unsigned int n;
+       Client *c;
+
+       if(!sel)
+               return;
+       if(sel->isfloat || (arrange == dofloat)) {
+               togglemax(sel);
+               return;
+       }
+       for(n = 0, c = nextmanaged(clients); c; c = nextmanaged(c->next))
+               n++;
+
+       if((c = sel) == nextmanaged(clients))
+               if(!(c = nextmanaged(c->next)))
+                       return;
+       detach(c);
+       attach(c);
+       focus(c);
+       arrange();
+}
diff --git a/tag.c b/tag.c
deleted file mode 100644 (file)
index d3065d5..0000000
--- a/tag.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-#include "dwm.h"
-#include <regex.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <X11/Xutil.h>
-
-
-typedef struct {
-       const char *clpattern;
-       const char *tpattern;
-       Bool isfloat;
-} Rule;
-
-typedef struct {
-       regex_t *clregex;
-       regex_t *tregex;
-} RReg;
-
-/* static */
-
-TAGS
-RULES
-
-static RReg *rreg = NULL;
-static unsigned int len = 0;
-
-/* extern */
-
-void
-compileregexps(void) {
-       unsigned int i;
-       regex_t *reg;
-
-       if(rreg)
-               return;
-       len = sizeof rule / sizeof rule[0];
-       rreg = emallocz(len * sizeof(RReg));
-       for(i = 0; i < len; i++) {
-               if(rule[i].clpattern) {
-                       reg = emallocz(sizeof(regex_t));
-                       if(regcomp(reg, rule[i].clpattern, REG_EXTENDED))
-                               free(reg);
-                       else
-                               rreg[i].clregex = reg;
-               }
-               if(rule[i].tpattern) {
-                       reg = emallocz(sizeof(regex_t));
-                       if(regcomp(reg, rule[i].tpattern, REG_EXTENDED))
-                               free(reg);
-                       else
-                               rreg[i].tregex = reg;
-               }
-       }
-}
-
-void
-settags(Client *c, Client *trans) {
-       char prop[512];
-       unsigned int i, j;
-       regmatch_t tmp;
-       Bool matched = trans != NULL;
-       XClassHint ch = { 0 };
-
-       if(matched)
-               for(i = 0; i < ntags; i++)
-                       c->tags[i] = trans->tags[i];
-       else {
-               XGetClassHint(dpy, c->win, &ch);
-               snprintf(prop, sizeof prop, "%s:%s:%s",
-                               ch.res_class ? ch.res_class : "",
-                               ch.res_name ? ch.res_name : "", c->name);
-               for(i = 0; i < len; i++)
-                       if(rreg[i].clregex && !regexec(rreg[i].clregex, prop, 1, &tmp, 0)) {
-                               c->isfloat = rule[i].isfloat;
-                               for(j = 0; rreg[i].tregex && j < ntags; j++) {
-                                       if(!regexec(rreg[i].tregex, tags[j], 1, &tmp, 0)) {
-                                               matched = True;
-                                               c->tags[j] = True;
-                                       }
-                               }
-                       }
-               if(ch.res_class)
-                       XFree(ch.res_class);
-               if(ch.res_name)
-                       XFree(ch.res_name);
-       }
-       if(!matched)
-               for(i = 0; i < ntags; i++)
-                       c->tags[i] = seltag[i];
-}
-
-void
-tag(Arg *arg) {
-       unsigned 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;
-       arrange();
-}
-
-void
-toggletag(Arg *arg) {
-       unsigned int i;
-
-       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;
-       arrange();
-}
diff --git a/tile.c b/tile.c
deleted file mode 100644 (file)
index 8075e55..0000000
--- a/tile.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-#include "dwm.h"
-
-unsigned int master = MASTER;
-unsigned int nmaster = NMASTER;
-
-/* static */
-
-static void
-togglemax(Client *c) {
-       XEvent ev;
-
-       if(c->isfixed)
-               return;
-       if((c->ismax = !c->ismax)) {
-               c->rx = c->x;
-               c->ry = c->y;
-               c->rw = c->w;
-               c->rh = c->h;
-               resize(c, wax, way, waw - 2 * BORDERPX, wah - 2 * BORDERPX, True);
-       }
-       else
-               resize(c, c->rx, c->ry, c->rw, c->rh, True);
-       while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
-}
-
-/* extern */
-
-void
-dotile(void) {
-       unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
-       Client *c;
-
-       for(n = 0, c = nextmanaged(clients); c; c = nextmanaged(c->next))
-               n++;
-       /* window geoms */
-       mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
-       mw = (n > nmaster) ? (waw * master) / 1000 : waw;
-       th = (n > nmaster) ? wah / (n - nmaster) : 0;
-       tw = waw - mw;
-
-       for(i = 0, c = clients; c; c = c->next)
-               if(isvisible(c)) {
-                       if(c->isbanned)
-                               XMoveWindow(dpy, c->win, c->x, c->y);
-                       c->isbanned = False;
-                       if(c->isfloat)
-                               continue;
-                       c->ismax = False;
-                       nx = wax;
-                       ny = way;
-                       if(i < nmaster) {
-                               ny += i * mh;
-                               nw = mw - 2 * BORDERPX;
-                               nh = mh - 2 * BORDERPX;
-                       }
-                       else {  /* tile window */
-                               nx += mw;
-                               nw = tw - 2 * BORDERPX;
-                               if(th > 2 * BORDERPX) {
-                                       ny += (i - nmaster) * th;
-                                       nh = th - 2 * BORDERPX;
-                               }
-                               else /* fallback if th <= 2 * BORDERPX */
-                                       nh = wah - 2 * BORDERPX;
-                       }
-                       resize(c, nx, ny, nw, nh, False);
-                       i++;
-               }
-               else {
-                       c->isbanned = True;
-                       XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
-               }
-       if(!sel || !isvisible(sel)) {
-               for(c = stack; c && !isvisible(c); c = c->snext);
-               focus(c);
-       }
-       restack();
-}
-
-void
-incnmaster(Arg *arg) {
-       if((arrange == dofloat) || (nmaster + arg->i < 1)
-       || (wah / (nmaster + arg->i) <= 2 * BORDERPX))
-               return;
-       nmaster += arg->i;
-       if(sel)
-               arrange();
-       else
-               drawstatus();
-}
-
-void
-resizemaster(Arg *arg) {
-       if(arrange != dotile)
-               return;
-       if(arg->i == 0)
-               master = MASTER;
-       else {
-               if(waw * (master + arg->i) / 1000 >= waw - 2 * BORDERPX
-               || waw * (master + arg->i) / 1000 <= 2 * BORDERPX)
-                       return;
-               master += arg->i;
-       }
-       arrange();
-}
-
-void
-zoom(Arg *arg) {
-       unsigned int n;
-       Client *c;
-
-       if(!sel)
-               return;
-       if(sel->isfloat || (arrange == dofloat)) {
-               togglemax(sel);
-               return;
-       }
-       for(n = 0, c = nextmanaged(clients); c; c = nextmanaged(c->next))
-               n++;
-
-       if((c = sel) == nextmanaged(clients))
-               if(!(c = nextmanaged(c->next)))
-                       return;
-       detach(c);
-       attach(c);
-       focus(c);
-       arrange();
-}
diff --git a/view.c b/view.c
deleted file mode 100644 (file)
index 4781b4e..0000000
--- a/view.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-#include "dwm.h"
-
-/* extern */
-
-void (*arrange)(void) = DEFMODE;
-
-void
-attach(Client *c) {
-       if(clients)
-               clients->prev = c;
-       c->next = clients;
-       clients = c;
-}
-
-void
-attachstack(Client *c) {
-       c->snext = stack;
-       stack = c;
-}
-
-void
-dofloat(void) {
-       Client *c;
-
-       for(c = clients; c; c = c->next) {
-               if(isvisible(c)) {
-                       if(c->isbanned)
-                               XMoveWindow(dpy, c->win, c->x, c->y);
-                       c->isbanned = False;
-                       resize(c, c->x, c->y, c->w, c->h, True);
-               }
-               else {
-                       c->isbanned = True;
-                       XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
-               }
-       }
-       if(!sel || !isvisible(sel)) {
-               for(c = stack; c && !isvisible(c); c = c->snext);
-               focus(c);
-       }
-       restack();
-}
-
-void
-detach(Client *c) {
-       if(c->prev)
-               c->prev->next = c->next;
-       if(c->next)
-               c->next->prev = c->prev;
-       if(c == clients)
-               clients = c->next;
-       c->next = c->prev = NULL;
-}
-
-void
-detachstack(Client *c) {
-       Client **tc;
-       for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
-       *tc = c->snext;
-}
-
-void
-focusnext(Arg *arg) {
-       Client *c;
-   
-       if(!sel)
-               return;
-       for(c = sel->next; c && !isvisible(c); c = c->next);
-       if(!c)
-               for(c = clients; c && !isvisible(c); c = c->next);
-       if(c) {
-               focus(c);
-               restack();
-       }
-}
-
-void
-focusprev(Arg *arg) {
-       Client *c;
-
-       if(!sel)
-               return;
-       for(c = sel->prev; c && !isvisible(c); c = c->prev);
-       if(!c) {
-               for(c = clients; c && c->next; c = c->next);
-               for(; c && !isvisible(c); c = c->prev);
-       }
-       if(c) {
-               focus(c);
-               restack();
-       }
-}
-
-Client *
-getclient(Window w) {
-       Client *c;
-
-       for(c = clients; c; c = c->next)
-               if(c->win == w)
-                       return c;
-       return NULL;
-}
-
-Bool
-isvisible(Client *c) {
-       unsigned int i;
-
-       for(i = 0; i < ntags; i++)
-               if(c->tags[i] && seltag[i])
-                       return True;
-       return False;
-}
-
-Client *
-nextmanaged(Client *c) {
-       for(; c && (c->isfloat || !isvisible(c)); c = c->next);
-       return c;
-}
-
-void
-restack(void) {
-       Client *c;
-       XEvent ev;
-
-       drawstatus();
-       if(!sel)
-               return;
-       if(sel->isfloat || arrange == dofloat)
-               XRaiseWindow(dpy, sel->win);
-       if(arrange != dofloat) {
-               if(!sel->isfloat)
-                       XLowerWindow(dpy, sel->win);
-               for(c = nextmanaged(clients); c; c = nextmanaged(c->next)) {
-                       if(c == sel)
-                               continue;
-                       XLowerWindow(dpy, c->win);
-               }
-       }
-       XSync(dpy, False);
-       while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
-}
-
-void
-togglefloat(Arg *arg) {
-       if(!sel || arrange == dofloat)
-               return;
-       sel->isfloat = !sel->isfloat;
-       arrange();
-}
-
-void
-togglemode(Arg *arg) {
-       arrange = (arrange == dofloat) ? dotile : dofloat;
-       if(sel)
-               arrange();
-       else
-               drawstatus();
-}
-
-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 */
-       arrange();
-}
-
-void
-view(Arg *arg) {
-       unsigned 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;
-       arrange();
-}
-