non-zero

[dwm.git] / dwm.c

diff --git a/dwm.c b/dwm.c
index 56ca615..85292a9 100644 (file)
--- a/dwm.c
+++ b/dwm.c
@@ -16,8 +16,8 @@
  * Each child of the root window is called a client, except windows which have
  * set the override_redirect flag.  Clients are organized in a global
  * doubly-linked client list, the focus history is remembered through a global
  * Each child of the root window is called a client, except windows which have
  * set the override_redirect flag.  Clients are organized in a global
  * doubly-linked client list, the focus history is remembered through a global

- * stack list. Each client contains an array of Bools of the same size as the
- * global tags array to indicate the tags of a client.
+ * stack list. Each client contains a bit array to indicate the tags of a
+ * client.

  *
  * Keys and tagging rules are organized as arrays and defined in config.h.
  *
  *
  * Keys and tagging rules are organized as arrays and defined in config.h.
  *


@@ -39,52 +39,66 @@
 #include <X11/Xlib.h>
 #include <X11/Xproto.h>
 #include <X11/Xutil.h>
 #include <X11/Xlib.h>
 #include <X11/Xproto.h>
 #include <X11/Xutil.h>

+#ifdef XINERAMA
+#include <X11/extensions/Xinerama.h>
+#endif

 
 /* macros */
 
 /* macros */

-#define MAX(a, b) ((a)>(b)?(a):(b))
-#define MIN(a, b) ((a)<(b)?(a):(b))
-#define BUTTONMASK             (ButtonPressMask|ButtonReleaseMask)
-#define CLEANMASK(mask)                (mask & ~(numlockmask|LockMask))
-#define LENGTH(x)              (sizeof x / sizeof x[0])
-#define MAXTAGLEN              16
-#define MOUSEMASK              (BUTTONMASK|PointerMotionMask)
-#define DEFGEOM(GEONAME,BX,BY,BW,WX,WY,WW,WH,MX,MY,MW,MH,TX,TY,TW,TH,MOX,MOY,MOW,MOH) \
-void GEONAME(void) { \
-       bx = (BX); by = (BY); bw = (BW); \
-       wx = (WX); wy = (WY); ww = (WW); wh = (WH); \
-       mx = (MX); my = (MY); mw = (MW); mh = (MH); \
-       tx = (TX); ty = (TY); tw = (TW); th = (TH); \
-       mox = (MOX); moy = (MOY); mow = (MOW); moh = (MOH); \
-}
+#define MAX(a, b)       ((a) > (b) ? (a) : (b))
+#define MIN(a, b)       ((a) < (b) ? (a) : (b))
+#define BUTTONMASK      (ButtonPressMask|ButtonReleaseMask)
+#define CLEANMASK(mask) (mask & ~(numlockmask|LockMask))
+#define LENGTH(x)       (sizeof x / sizeof x[0])
+#define MAXTAGLEN       16
+#define MOUSEMASK       (BUTTONMASK|PointerMotionMask)
+#define TAGMASK         ((int)((1LL << LENGTH(tags)) - 1))
+#define TEXTW(x)        (textnw(x, strlen(x)) + dc.font.height)

 
 /* enums */
 
 /* enums */

-enum { CurNormal, CurResize, CurMove, CurLast };       /* cursor */
-enum { ColBorder, ColFG, ColBG, ColLast };             /* color */
-enum { NetSupported, NetWMName, NetLast };             /* EWMH atoms */
+enum { CurNormal, CurResize, CurMove, CurLast };        /* cursor */
+enum { ColBorder, ColFG, ColBG, ColLast };              /* color */
+enum { NetSupported, NetWMName, NetLast };              /* EWMH atoms */

 enum { WMProtocols, WMDelete, WMName, WMState, WMLast };/* default atoms */
 enum { WMProtocols, WMDelete, WMName, WMState, WMLast };/* default atoms */

+enum { ClkLtSymbol = 64, ClkStatusText, ClkWinTitle,
+       ClkClientWin, ClkRootWin, ClkLast };             /* clicks */

 
 /* typedefs */
 
 /* typedefs */

+typedef unsigned int uint;
+typedef unsigned long ulong;
+
+typedef union {
+       int i;
+       uint ui;
+       float f;
+       void *v;
+} Arg;
+
+typedef struct {
+       uint click;
+       uint mask;
+       uint button;
+       void (*func)(const Arg *arg);
+       const Arg arg;
+} Button;
+

 typedef struct Client Client;
 struct Client {
        char name[256];
 typedef struct Client Client;
 struct Client {
        char name[256];

+       float mina, maxa;

        int x, y, w, h;
        int x, y, w, h;

-       int fx, fy, fw, fh;

        int basew, baseh, incw, inch, maxw, maxh, minw, minh;
        int basew, baseh, incw, inch, maxw, maxh, minw, minh;

-       int minax, maxax, minay, maxay;
-       long flags;
-       unsigned int bw, oldbw;
-       Bool isbanned, isfixed, isfloating, isurgent;
-       Bool *tags;
+       int bw, oldbw;
+       uint tags;
+       Bool isbanned, isfixed, isfloating, ismoved, isurgent;

        Client *next;
        Client *next;

-       Client *prev;

        Client *snext;
        Window win;
 };
 
 typedef struct {
        int x, y, w, h;
        Client *snext;
        Window win;
 };
 
 typedef struct {
        int x, y, w, h;

-       unsigned long norm[ColLast];
-       unsigned long sel[ColLast];
+       ulong norm[ColLast];
+       ulong sel[ColLast];

        Drawable drawable;
        GC gc;
        struct {
        Drawable drawable;
        GC gc;
        struct {


@@ -97,127 +111,106 @@ typedef struct {
 } DC; /* draw context */
 
 typedef struct {
 } DC; /* draw context */
 
 typedef struct {

-       const char *symbol;
-       void (*apply)(void);
-} Geom;
-
-typedef struct {
-       unsigned long mod;
+       uint mod;

        KeySym keysym;
        KeySym keysym;

-       void (*func)(const char *arg);
-       const char *arg;
+       void (*func)(const Arg *);
+       const Arg arg;

 } Key;
 
 typedef struct {
        const char *symbol;
        void (*arrange)(void);
 } Key;
 
 typedef struct {
        const char *symbol;
        void (*arrange)(void);

-       Bool isfloating;

 } Layout;
 
 typedef struct {
        const char *class;
        const char *instance;
        const char *title;
 } Layout;
 
 typedef struct {
        const char *class;
        const char *instance;
        const char *title;

-       const char *tag;
+       uint tags;

        Bool isfloating;
 } Rule;
 
 /* function declarations */
        Bool isfloating;
 } Rule;
 
 /* function declarations */

-void applyrules(Client *c);
-void arrange(void);
-void attach(Client *c);
-void attachstack(Client *c);
-void ban(Client *c);
-void buttonpress(XEvent *e);
-void checkotherwm(void);
-void cleanup(void);
-void configure(Client *c);
-void configurenotify(XEvent *e);
-void configurerequest(XEvent *e);
-unsigned int counttiled(void);
-void destroynotify(XEvent *e);
-void detach(Client *c);
-void detachstack(Client *c);
-void drawbar(void);
-void drawsquare(Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]);
-void drawtext(const char *text, unsigned long col[ColLast], Bool invert);
-void *emallocz(unsigned int size);
-void enternotify(XEvent *e);
-void eprint(const char *errstr, ...);
-void expose(XEvent *e);
-void focus(Client *c);
-void focusin(XEvent *e);
-void focusnext(const char *arg);
-void focusprev(const char *arg);
-Client *getclient(Window w);
-unsigned long getcolor(const char *colstr);
-long getstate(Window w);
-Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
-void grabbuttons(Client *c, Bool focused);
-void grabkeys(void);
-unsigned int idxoftag(const char *t);
-void initfont(const char *fontstr);
-Bool isoccupied(unsigned int t);
-Bool isprotodel(Client *c);
-Bool isurgent(unsigned int t);
-Bool isvisible(Client *c, Bool *cmp);
-void keypress(XEvent *e);
-void killclient(const char *arg);
-void manage(Window w, XWindowAttributes *wa);
-void mappingnotify(XEvent *e);
-void maprequest(XEvent *e);
-void monocle(void);
-void movemouse(Client *c);
-Client *nexttiled(Client *c);
-void propertynotify(XEvent *e);
-void quit(const char *arg);
-void reapply(const char *arg);
-void resize(Client *c, int x, int y, int w, int h, Bool sizehints);
-void resizemouse(Client *c);
-void restack(void);
-void run(void);
-void scan(void);
-void setclientstate(Client *c, long state);
-void setgeom(const char *arg);
-void setlayout(const char *arg);
-void setmfact(const char *arg);
-void setup(void);
-void spawn(const char *arg);
-void tag(const char *arg);
-unsigned int textnw(const char *text, unsigned int len);
-unsigned int textw(const char *text);
-void tileh(void);
-void tilehstack(unsigned int n);
-Client *tilemaster(unsigned int n);
-void tileresize(Client *c, int x, int y, int w, int h);
-void tilev(void);
-void tilevstack(unsigned int n);
-void togglefloating(const char *arg);
-void toggletag(const char *arg);
-void toggleview(const char *arg);
-void unban(Client *c);
-void unmanage(Client *c);
-void unmapnotify(XEvent *e);
-void updatebarpos(void);
-void updatesizehints(Client *c);
-void updatetitle(Client *c);
-void updatewmhints(Client *c);
-void view(const char *arg);
-void viewprevtag(const char *arg);     /* views previous selected tags */
-int xerror(Display *dpy, XErrorEvent *ee);
-int xerrordummy(Display *dpy, XErrorEvent *ee);
-int xerrorstart(Display *dpy, XErrorEvent *ee);
-void zoom(const char *arg);
+static void applyrules(Client *c);
+static void arrange(void);
+static void attach(Client *c);
+static void attachstack(Client *c);
+static void buttonpress(XEvent *e);
+static void checkotherwm(void);
+static void cleanup(void);
+static void configure(Client *c);
+static void configurenotify(XEvent *e);
+static void configurerequest(XEvent *e);
+static void destroynotify(XEvent *e);
+static void detach(Client *c);
+static void detachstack(Client *c);
+static void drawbar(void);
+static void drawsquare(Bool filled, Bool empty, Bool invert, ulong col[ColLast]);
+static void drawtext(const char *text, ulong col[ColLast], Bool invert);
+static void enternotify(XEvent *e);
+static void eprint(const char *errstr, ...);
+static void expose(XEvent *e);
+static void focus(Client *c);
+static void focusin(XEvent *e);
+static void focusstack(const Arg *arg);
+static Client *getclient(Window w);
+static ulong getcolor(const char *colstr);
+static long getstate(Window w);
+static Bool gettextprop(Window w, Atom atom, char *text, uint size);
+static void grabbuttons(Client *c, Bool focused);
+static void grabkeys(void);
+static void initfont(const char *fontstr);
+static Bool isoccupied(uint t);
+static Bool isprotodel(Client *c);
+static Bool isurgent(uint t);
+static void keypress(XEvent *e);
+static void killclient(const Arg *arg);
+static void manage(Window w, XWindowAttributes *wa);
+static void mappingnotify(XEvent *e);
+static void maprequest(XEvent *e);
+static void movemouse(const Arg *arg);
+static Client *nexttiled(Client *c);
+static void propertynotify(XEvent *e);
+static void quit(const Arg *arg);
+static void resize(Client *c, int x, int y, int w, int h, Bool sizehints);
+static void resizemouse(const Arg *arg);
+static void restack(void);
+static void run(void);
+static void scan(void);
+static void setclientstate(Client *c, long state);
+static void setmfact(const Arg *arg);
+static void setup(void);
+static void spawn(const Arg *arg);
+static void tag(const Arg *arg);
+static int textnw(const char *text, uint len);
+static void tile(void);
+static void togglebar(const Arg *arg);
+static void togglefloating(const Arg *arg);
+static void togglelayout(const Arg *arg);
+static void togglemax(const Arg *arg);
+static void toggletag(const Arg *arg);
+static void toggleview(const Arg *arg);
+static void unmanage(Client *c);
+static void unmapnotify(XEvent *e);
+static void updatebar(void);
+static void updategeom(void);
+static void updatesizehints(Client *c);
+static void updatetitle(Client *c);
+static void updatewmhints(Client *c);
+static void view(const Arg *arg);
+static int xerror(Display *dpy, XErrorEvent *ee);
+static int xerrordummy(Display *dpy, XErrorEvent *ee);
+static int xerrorstart(Display *dpy, XErrorEvent *ee);
+static void zoom(const Arg *arg);

 
 /* variables */
 
 /* variables */

-char stext[256];
-int screen, sx, sy, sw, sh;
-int (*xerrorxlib)(Display *, XErrorEvent *);
-int bx, by, bw, bh, blw, bgw, mx, my, mw, mh, mox, moy, mow, moh, tx, ty, tw, th, wx, wy, ww, wh;
-int seltags = 0;
-double mfact;
-unsigned int numlockmask = 0;
-void (*handler[LASTEvent]) (XEvent *) = {
+static char stext[256];
+static int screen, sx, sy, sw, sh;
+static int by, bh, blw, wx, wy, ww, wh;
+static uint seltags = 0;
+static int (*xerrorxlib)(Display *, XErrorEvent *);
+static uint numlockmask = 0;
+static void (*handler[LASTEvent]) (XEvent *) = {

        [ButtonPress] = buttonpress,
        [ConfigureRequest] = configurerequest,
        [ConfigureNotify] = configurenotify,
        [ButtonPress] = buttonpress,
        [ConfigureRequest] = configurerequest,
        [ConfigureNotify] = configurenotify,


@@ -231,32 +224,29 @@ void (*handler[LASTEvent]) (XEvent *) = {
        [PropertyNotify] = propertynotify,
        [UnmapNotify] = unmapnotify
 };
        [PropertyNotify] = propertynotify,
        [UnmapNotify] = unmapnotify
 };

-Atom wmatom[WMLast], netatom[NetLast];
-Bool otherwm, readin;
-Bool running = True;
-Bool *tagset[2];
-Client *clients = NULL;
-Client *sel = NULL;
-Client *stack = NULL;
-Cursor cursor[CurLast];
-Display *dpy;
-DC dc = {0};
-Geom geoms[];
-Geom *geom = geoms;
-Layout layouts[];
-Layout *lt = layouts;
-Window root, barwin;
-
+static Atom wmatom[WMLast], netatom[NetLast];
+static Bool ismax = False;
+static Bool otherwm, readin;
+static Bool running = True;
+static uint tagset[] = {1, 1}; /* after start, first tag is selected */
+static Client *clients = NULL;
+static Client *sel = NULL;
+static Client *stack = NULL;
+static Cursor cursor[CurLast];
+static Display *dpy;
+static DC dc = {0};
+static Layout *lt = NULL;
+static Window root, barwin;

 /* configuration, allows nested code to access above variables */
 #include "config.h"
 /* configuration, allows nested code to access above variables */
 #include "config.h"

-#define TAGSZ (LENGTH(tags) * sizeof(Bool))

 
 

-/* function implementations */
+/* compile-time check if all tags fit into an uint bit array. */
+struct NumTags { char limitexceeded[sizeof(uint) * 8 < LENGTH(tags) ? -1 : 1]; };

 
 

+/* function implementations */

 void
 applyrules(Client *c) {
 void
 applyrules(Client *c) {

-       unsigned int i;
-       Bool matched = False;
+       uint i;

        Rule *r;
        XClassHint ch = { 0 };
 
        Rule *r;
        XClassHint ch = { 0 };
 


@@ -268,18 +258,15 @@ applyrules(Client *c) {
                && (!r->class || (ch.res_class && strstr(ch.res_class, r->class)))
                && (!r->instance || (ch.res_name && strstr(ch.res_name, r->instance)))) {
                        c->isfloating = r->isfloating;
                && (!r->class || (ch.res_class && strstr(ch.res_class, r->class)))
                && (!r->instance || (ch.res_name && strstr(ch.res_name, r->instance)))) {
                        c->isfloating = r->isfloating;

-                       if(r->tag) {
-                               c->tags[idxoftag(r->tag)] = True;
-                               matched = True;
-                       }
+                       c->tags |= r->tags & TAGMASK;

                }
        }
        if(ch.res_class)
                XFree(ch.res_class);
        if(ch.res_name)
                XFree(ch.res_name);
                }
        }
        if(ch.res_class)
                XFree(ch.res_class);
        if(ch.res_name)
                XFree(ch.res_name);

-       if(!matched)
-               memcpy(c->tags, tagset[seltags], TAGSZ);
+       if(!c->tags)
+               c->tags = tagset[seltags];

 }
 
 void
 }
 
 void


@@ -287,24 +274,28 @@ arrange(void) {
        Client *c;
 
        for(c = clients; c; c = c->next)
        Client *c;
 
        for(c = clients; c; c = c->next)

-               if(isvisible(c, NULL)) {
-                       unban(c);
-                       if(lt->isfloating || c->isfloating)
-                               resize(c, c->fx, c->fy, c->fw, c->fh, True);
+               if(c->tags & tagset[seltags]) { /* is visible */
+                       if(ismax && !c->isfixed) {
+                               XMoveResizeWindow(dpy, c->win, wx, wy, ww - 2 * c->bw, wh - 2 * c->bw);
+                               c->ismoved = True;
+                       }
+                       else if(!lt->arrange || c->isfloating)
+                               resize(c, c->x, c->y, c->w, c->h, True);
+                       c->isbanned = False;
+               }
+               else if(!c->isbanned) {
+                       XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+                       c->isbanned = c->ismoved = True;

                }
                }

-               else
-                       ban(c);

 
        focus(NULL);
 
        focus(NULL);

-       if(lt->arrange)
+       if(lt->arrange && !ismax)

                lt->arrange();
        restack();
 }
 
 void
 attach(Client *c) {
                lt->arrange();
        restack();
 }
 
 void
 attach(Client *c) {

-       if(clients)
-               clients->prev = c;

        c->next = clients;
        clients = c;
 }
        c->next = clients;
        clients = c;
 }


@@ -315,66 +306,36 @@ attachstack(Client *c) {
        stack = c;
 }
 
        stack = c;
 }
 

-void
-ban(Client *c) {
-       if(c->isbanned)
-               return;
-       XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
-       c->isbanned = True;
-}
-

 void
 buttonpress(XEvent *e) {
 void
 buttonpress(XEvent *e) {

-       unsigned int i, x;
+       uint i, x, click;

        Client *c;
        XButtonPressedEvent *ev = &e->xbutton;
 
        Client *c;
        XButtonPressedEvent *ev = &e->xbutton;
 

+       click = ClkRootWin;

        if(ev->window == barwin) {
        if(ev->window == barwin) {

-               if((ev->x < bgw) && ev->button == Button1) {
-                       setgeom(NULL);
-                       return;
-               }
-               x = bgw;
-               for(i = 0; i < LENGTH(tags); i++) {
-                       x += textw(tags[i]);
-                       if(ev->x >= bgw && ev->x < x) {
-                               if(ev->button == Button1) {
-                                       if(ev->state & MODKEY)
-                                               tag(tags[i]);
-                                       else
-                                               view(tags[i]);
-                               }
-                               else if(ev->button == Button3) {
-                                       if(ev->state & MODKEY)
-                                               toggletag(tags[i]);
-                                       else
-                                               toggleview(tags[i]);
-                               }
-                               return;
-                       }
-               }
-               if((ev->x < x + blw) && ev->button == Button1) 
-                       setlayout(NULL);
+               i = x = 0;
+               do
+                       x += TEXTW(tags[i]);
+               while(ev->x >= x && ++i < LENGTH(tags));
+               if(i < LENGTH(tags))
+                       click = i;
+               else if(ev->x < x + blw)
+                       click = ClkLtSymbol;
+               else if(ev->x > wx + ww - TEXTW(stext))
+                       click = ClkStatusText;
+               else
+                       click = ClkWinTitle;

        }
        else if((c = getclient(ev->window))) {
                focus(c);
        }
        else if((c = getclient(ev->window))) {
                focus(c);

-               if(CLEANMASK(ev->state) != MODKEY)
-                       return;
-               if(ev->button == Button1) {
-                       restack();
-                       movemouse(c);
-               }
-               else if(ev->button == Button2) {
-                       if(!lt->isfloating && c->isfloating)
-                               togglefloating(NULL);
-                       else
-                               zoom(NULL);
-               }
-               else if(ev->button == Button3 && !c->isfixed) {
-                       restack();
-                       resizemouse(c);
-               }
+               click = ClkClientWin;

        }
        }

+
+       for(i = 0; i < LENGTH(buttons); i++)
+               if(click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button
+                  && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
+                       buttons[i].func(&buttons[i].arg);

 }
 
 void
 }
 
 void


@@ -387,7 +348,6 @@ checkotherwm(void) {
        XSync(dpy, False);
        if(otherwm)
                eprint("dwm: another window manager is already running\n");
        XSync(dpy, False);
        if(otherwm)
                eprint("dwm: another window manager is already running\n");

-       XSync(dpy, False);

        XSetErrorHandler(NULL);
        xerrorxlib = XSetErrorHandler(xerror);
        XSync(dpy, False);
        XSetErrorHandler(NULL);
        xerrorxlib = XSetErrorHandler(xerror);
        XSync(dpy, False);


@@ -395,11 +355,14 @@ checkotherwm(void) {
 
 void
 cleanup(void) {
 
 void
 cleanup(void) {

+       Arg a = {.i = ~0};
+       Layout foo = { "", NULL };
+

        close(STDIN_FILENO);
        close(STDIN_FILENO);

-       while(stack) {
-               unban(stack);
+       view(&a);
+       lt = &foo;
+       while(stack)

                unmanage(stack);
                unmanage(stack);

-       }

        if(dc.font.set)
                XFreeFontSet(dpy, dc.font.set);
        else
        if(dc.font.set)
                XFreeFontSet(dpy, dc.font.set);
        else


@@ -440,7 +403,9 @@ configurenotify(XEvent *e) {
        if(ev->window == root && (ev->width != sw || ev->height != sh)) {
                sw = ev->width;
                sh = ev->height;
        if(ev->window == root && (ev->width != sw || ev->height != sh)) {
                sw = ev->width;
                sh = ev->height;

-               setgeom(geom->symbol);
+               updategeom();
+               updatebar();
+               arrange();

        }
 }
 
        }
 }
 


@@ -453,7 +418,9 @@ configurerequest(XEvent *e) {
        if((c = getclient(ev->window))) {
                if(ev->value_mask & CWBorderWidth)
                        c->bw = ev->border_width;
        if((c = getclient(ev->window))) {
                if(ev->value_mask & CWBorderWidth)
                        c->bw = ev->border_width;

-               if(c->isfixed || c->isfloating || lt->isfloating) {
+               if(ismax && !c->isbanned && !c->isfixed)
+                       XMoveResizeWindow(dpy, c->win, wx, wy, ww - 2 * c->bw, wh + 2 * c->bw);
+               else if(c->isfloating || !lt->arrange) {

                        if(ev->value_mask & CWX)
                                c->x = sx + ev->x;
                        if(ev->value_mask & CWY)
                        if(ev->value_mask & CWX)
                                c->x = sx + ev->x;
                        if(ev->value_mask & CWY)


@@ -469,7 +436,7 @@ configurerequest(XEvent *e) {
                        if((ev->value_mask & (CWX|CWY))
                        && !(ev->value_mask & (CWWidth|CWHeight)))
                                configure(c);
                        if((ev->value_mask & (CWX|CWY))
                        && !(ev->value_mask & (CWWidth|CWHeight)))
                                configure(c);

-                       if(isvisible(c, NULL))
+                       if(!c->isbanned)

                                XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
                }
                else
                                XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
                }
                else


@@ -488,15 +455,6 @@ configurerequest(XEvent *e) {
        XSync(dpy, False);
 }
 
        XSync(dpy, False);
 }
 

-unsigned int
-counttiled(void) {
-       unsigned int n;
-       Client *c;
-
-       for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next), n++);
-       return n;
-}
-

 void
 destroynotify(XEvent *e) {
        Client *c;
 void
 destroynotify(XEvent *e) {
        Client *c;


@@ -508,20 +466,23 @@ destroynotify(XEvent *e) {
 
 void
 detach(Client *c) {
 
 void
 detach(Client *c) {

-       if(c->prev)
-               c->prev->next = c->next;
-       if(c->next)
-               c->next->prev = c->prev;
-       if(c == clients)
+       Client *i;
+
+       if (c != clients) {
+               for(i = clients; i->next != c; i = i->next);
+               i->next = c->next;
+       }
+       else {

                clients = c->next;
                clients = c->next;

-       c->next = c->prev = NULL;
+       }
+       c->next =  NULL;

 }
 
 void
 detachstack(Client *c) {
        Client **tc;
 
 }
 
 void
 detachstack(Client *c) {
        Client **tc;
 

-       for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
+       for(tc = &stack; *tc && *tc != c; tc = &(*tc)->snext);

        *tc = c->snext;
 }
 
        *tc = c->snext;
 }
 


@@ -531,53 +492,48 @@ drawbar(void) {
        Client *c;
 
        dc.x = 0;
        Client *c;
 
        dc.x = 0;

-       if(bgw > 0) {
-               dc.w = bgw;
-               drawtext(geom->symbol, dc.norm, False);
-               dc.x += bgw;
-       }
-       for(c = stack; c && !isvisible(c, NULL); c = c->snext);
+       for(c = stack; c && c->isbanned; c = c->snext);

        for(i = 0; i < LENGTH(tags); i++) {
        for(i = 0; i < LENGTH(tags); i++) {

-               dc.w = textw(tags[i]);
-               if(tagset[seltags][i]) {
+               dc.w = TEXTW(tags[i]);
+               if(tagset[seltags] & 1 << i) {

                        drawtext(tags[i], dc.sel, isurgent(i));
                        drawtext(tags[i], dc.sel, isurgent(i));

-                       drawsquare(c && c->tags[i], isoccupied(i), isurgent(i), dc.sel);
+                       drawsquare(c && c->tags & 1 << i, isoccupied(i), isurgent(i), dc.sel);

                }
                else {
                        drawtext(tags[i], dc.norm, isurgent(i));
                }
                else {
                        drawtext(tags[i], dc.norm, isurgent(i));

-                       drawsquare(c && c->tags[i], isoccupied(i), isurgent(i), dc.norm);
+                       drawsquare(c && c->tags & 1 << i, isoccupied(i), isurgent(i), dc.norm);

                }
                dc.x += dc.w;
        }
        if(blw > 0) {
                dc.w = blw;
                }
                dc.x += dc.w;
        }
        if(blw > 0) {
                dc.w = blw;

-               drawtext(lt->symbol, dc.norm, False);
+               drawtext(lt->symbol, dc.norm, ismax);

                x = dc.x + dc.w;
        }
        else
                x = dc.x;
                x = dc.x + dc.w;
        }
        else
                x = dc.x;

-       dc.w = textw(stext);
-       dc.x = bw - dc.w;
+       dc.w = TEXTW(stext);
+       dc.x = ww - dc.w;

        if(dc.x < x) {
                dc.x = x;
        if(dc.x < x) {
                dc.x = x;

-               dc.w = bw - x;
+               dc.w = ww - x;

        }
        drawtext(stext, dc.norm, False);
        if((dc.w = dc.x - x) > bh) {
                dc.x = x;
                if(c) {
                        drawtext(c->name, dc.sel, False);
        }
        drawtext(stext, dc.norm, False);
        if((dc.w = dc.x - x) > bh) {
                dc.x = x;
                if(c) {
                        drawtext(c->name, dc.sel, False);

-                       drawsquare(False, c->isfloating, False, dc.sel);
+                       drawsquare(c->isfixed, c->isfloating, False, dc.sel);

                }
                else
                        drawtext(NULL, dc.norm, False);
        }
                }
                else
                        drawtext(NULL, dc.norm, False);
        }

-       XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
+       XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, ww, bh, 0, 0);

        XSync(dpy, False);
 }
 
 void
        XSync(dpy, False);
 }
 
 void

-drawsquare(Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]) {
+drawsquare(Bool filled, Bool empty, Bool invert, ulong col[ColLast]) {

        int x;
        XGCValues gcv;
        XRectangle r = { dc.x, dc.y, dc.w, dc.h };
        int x;
        XGCValues gcv;
        XRectangle r = { dc.x, dc.y, dc.w, dc.h };


@@ -598,9 +554,8 @@ drawsquare(Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]) {
 }
 
 void
 }
 
 void

-drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
-       int x, y, w, h;
-       unsigned int len, olen;
+drawtext(const char *text, ulong col[ColLast], Bool invert) {
+       int i, x, y, h, len, olen;

        XRectangle r = { dc.x, dc.y, dc.w, dc.h };
        char buf[256];
 
        XRectangle r = { dc.x, dc.y, dc.w, dc.h };
        char buf[256];
 


@@ -611,22 +566,15 @@ drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
        olen = strlen(text);
        len = MIN(olen, sizeof buf);
        memcpy(buf, text, len);
        olen = strlen(text);
        len = MIN(olen, sizeof buf);
        memcpy(buf, text, len);

-       w = 0;

        h = dc.font.ascent + dc.font.descent;
        y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
        x = dc.x + (h / 2);
        /* shorten text if necessary */
        h = dc.font.ascent + dc.font.descent;
        y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
        x = dc.x + (h / 2);
        /* shorten text if necessary */

-       for(; len && (w = textnw(buf, len)) > dc.w - h; len--);
-       if (!len)
+       for(; len && (i = textnw(buf, len)) > dc.w - h; len--);
+       if(!len)

                return;
                return;

-       if(len < olen) {
-               if(len > 1)
-                       buf[len - 1] = '.';
-               if(len > 2)
-                       buf[len - 2] = '.';
-               if(len > 3)
-                       buf[len - 3] = '.';
-       }
+       if(len < olen)
+               for(i = len; i && i > len - 3; buf[--i] = '.');

        XSetForeground(dpy, dc.gc, col[invert ? ColBG : ColFG]);
        if(dc.font.set)
                XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
        XSetForeground(dpy, dc.gc, col[invert ? ColBG : ColFG]);
        if(dc.font.set)
                XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);


@@ -634,15 +582,6 @@ drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
                XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
 }
 
                XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
 }
 

-void *
-emallocz(unsigned int size) {
-       void *res = calloc(1, size);
-
-       if(!res)
-               eprint("fatal: could not malloc() %u bytes\n", size);
-       return res;
-}
-

 void
 enternotify(XEvent *e) {
        Client *c;
 void
 enternotify(XEvent *e) {
        Client *c;


@@ -676,8 +615,8 @@ expose(XEvent *e) {
 
 void
 focus(Client *c) {
 
 void
 focus(Client *c) {

-       if(!c || (c && !isvisible(c, NULL)))
-               for(c = stack; c && !isvisible(c, NULL); c = c->snext);
+       if(!c || c->isbanned)
+               for(c = stack; c && c->isbanned; c = c->snext);

        if(sel && sel != c) {
                grabbuttons(sel, False);
                XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
        if(sel && sel != c) {
                grabbuttons(sel, False);
                XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);


@@ -686,14 +625,12 @@ focus(Client *c) {
                detachstack(c);
                attachstack(c);
                grabbuttons(c, True);
                detachstack(c);
                attachstack(c);
                grabbuttons(c, True);

-       }
-       sel = c;
-       if(c) {

                XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
                XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
        }
        else
                XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
                XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
                XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
        }
        else
                XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);

+       sel = c;

        drawbar();
 }
 
        drawbar();
 }
 


@@ -706,30 +643,24 @@ focusin(XEvent *e) { /* there are some broken focus acquiring clients */
 }
 
 void
 }
 
 void

-focusnext(const char *arg) {
-       Client *c;
+focusstack(const Arg *arg) {
+       Client *c = NULL, *i;

 
        if(!sel)
                return;
 
        if(!sel)
                return;

-       for(c = sel->next; c && !isvisible(c, arg ? sel->tags : NULL); c = c->next);
-       if(!c)
-               for(c = clients; c && !isvisible(c, arg ? sel->tags : NULL); c = c->next);
-       if(c) {
-               focus(c);
-               restack();
+       if (arg->i > 0) {
+               for(c = sel->next; c && c->isbanned; c = c->next);
+               if(!c)
+                       for(c = clients; c && c->isbanned; c = c->next);

        }
        }

-}
-
-void
-focusprev(const char *arg) {
-       Client *c;
-
-       if(!sel)
-               return;
-       for(c = sel->prev; c && !isvisible(c, arg ? sel->tags : NULL); c = c->prev);
-       if(!c) {
-               for(c = clients; c && c->next; c = c->next);
-               for(; c && !isvisible(c, arg ? sel->tags : NULL); c = c->prev);
+       else {
+               for(i = clients; i != sel; i = i->next)
+                       if (!i->isbanned)
+                               c = i;
+               if(!c)
+                       for(; i; i = i->next)
+                               if (!i->isbanned)
+                                       c = i;

        }
        if(c) {
                focus(c);
        }
        if(c) {
                focus(c);


@@ -745,7 +676,7 @@ getclient(Window w) {
        return c;
 }
 
        return c;
 }
 

-unsigned long
+ulong

 getcolor(const char *colstr) {
        Colormap cmap = DefaultColormap(dpy, screen);
        XColor color;
 getcolor(const char *colstr) {
        Colormap cmap = DefaultColormap(dpy, screen);
        XColor color;


@@ -760,7 +691,7 @@ getstate(Window w) {
        int format, status;
        long result = -1;
        unsigned char *p = NULL;
        int format, status;
        long result = -1;
        unsigned char *p = NULL;

-       unsigned long n, extra;
+       ulong n, extra;

        Atom real;
 
        status = XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
        Atom real;
 
        status = XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],


@@ -774,7 +705,7 @@ getstate(Window w) {
 }
 
 Bool
 }
 
 Bool

-gettextprop(Window w, Atom atom, char *text, unsigned int size) {
+gettextprop(Window w, Atom atom, char *text, uint size) {

        char **list = NULL;
        int n;
        XTextProperty name;
        char **list = NULL;
        int n;
        XTextProperty name;


@@ -802,24 +733,23 @@ gettextprop(Window w, Atom atom, char *text, unsigned int size) {
 void
 grabbuttons(Client *c, Bool focused) {
        int i, j;
 void
 grabbuttons(Client *c, Bool focused) {
        int i, j;

-       unsigned int buttons[]   = { Button1, Button2, Button3 };
-       unsigned int modifiers[] = { MODKEY, MODKEY|LockMask, MODKEY|numlockmask,
-                                    MODKEY|numlockmask|LockMask} ;
+       uint buttons[]   = { Button1, Button2, Button3 };
+       uint modifiers[] = { MODKEY, MODKEY|LockMask, MODKEY|numlockmask, MODKEY|numlockmask|LockMask };

 
        XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
        if(focused)
                for(i = 0; i < LENGTH(buttons); i++)
                        for(j = 0; j < LENGTH(modifiers); j++)
                                XGrabButton(dpy, buttons[i], modifiers[j], c->win, False,
 
        XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
        if(focused)
                for(i = 0; i < LENGTH(buttons); i++)
                        for(j = 0; j < LENGTH(modifiers); j++)
                                XGrabButton(dpy, buttons[i], modifiers[j], c->win, False,

-                                           BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
+                                       BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);

        else
                XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
        else
                XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,

-                           BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
+                       BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);

 }
 
 void
 }
 
 void

-grabkeys(void)  {
-       unsigned int i, j;
+grabkeys(void) {
+       uint i, j;

        KeyCode code;
        XModifierKeymap *modmap;
 
        KeyCode code;
        XModifierKeymap *modmap;
 


@@ -846,14 +776,6 @@ grabkeys(void)  {
        }
 }
 
        }
 }
 

-unsigned int
-idxoftag(const char *t) {
-       unsigned int i;
-
-       for(i = 0; (i < LENGTH(tags)) && t && strcmp(tags[i], t); i++);
-       return (i < LENGTH(tags)) ? i : 0;
-}
-

 void
 initfont(const char *fontstr) {
        char *def, **missing;
 void
 initfont(const char *fontstr) {
        char *def, **missing;


@@ -895,11 +817,11 @@ initfont(const char *fontstr) {
 }
 
 Bool
 }
 
 Bool

-isoccupied(unsigned int t) {
+isoccupied(uint t) {

        Client *c;
 
        for(c = clients; c; c = c->next)
        Client *c;
 
        for(c = clients; c; c = c->next)

-               if(c->tags[t])
+               if(c->tags & 1 << t)

                        return True;
        return False;
 }
                        return True;
        return False;
 }


@@ -920,30 +842,18 @@ isprotodel(Client *c) {
 }
 
 Bool
 }
 
 Bool

-isurgent(unsigned int t) {
+isurgent(uint t) {

        Client *c;
 
        for(c = clients; c; c = c->next)
        Client *c;
 
        for(c = clients; c; c = c->next)

-               if(c->isurgent && c->tags[t])
-                       return True;
-       return False;
-}
-
-Bool
-isvisible(Client *c, Bool *cmp) {
-       unsigned int i;
-
-       if(!cmp)
-               cmp = tagset[seltags];
-       for(i = 0; i < LENGTH(tags); i++)
-               if(c->tags[i] && cmp[i])
+               if(c->isurgent && c->tags & 1 << t)

                        return True;
        return False;
 }
 
 void
 keypress(XEvent *e) {
                        return True;
        return False;
 }
 
 void
 keypress(XEvent *e) {

-       unsigned int i;
+       uint i;

        KeySym keysym;
        XKeyEvent *ev;
 
        KeySym keysym;
        XKeyEvent *ev;
 


@@ -951,15 +861,13 @@ keypress(XEvent *e) {
        keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
        for(i = 0; i < LENGTH(keys); i++)
                if(keysym == keys[i].keysym
        keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
        for(i = 0; i < LENGTH(keys); i++)
                if(keysym == keys[i].keysym

-               && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state))
-               {
-                       if(keys[i].func)
-                               keys[i].func(keys[i].arg);
-               }
+                  && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
+                  && keys[i].func)
+                       keys[i].func(&(keys[i].arg));

 }
 
 void
 }
 
 void

-killclient(const char *arg) {
+killclient(const Arg *arg) {

        XEvent ev;
 
        if(!sel)
        XEvent ev;
 
        if(!sel)


@@ -984,15 +892,15 @@ manage(Window w, XWindowAttributes *wa) {
        Window trans;
        XWindowChanges wc;
 
        Window trans;
        XWindowChanges wc;
 

-       c = emallocz(sizeof(Client));
-       c->tags = emallocz(TAGSZ);
+       if(!(c = calloc(1, sizeof(Client))))
+               eprint("fatal: could not calloc() %u bytes\n", sizeof(Client));

        c->win = w;
 
        /* geometry */
        c->x = wa->x;
        c->y = wa->y;
        c->win = w;
 
        /* geometry */
        c->x = wa->x;
        c->y = wa->y;

-       c->w = c->fw = wa->width;
-       c->h = c->fh = wa->height;
+       c->w = wa->width;
+       c->h = wa->height;

        c->oldbw = wa->border_width;
        if(c->w == sw && c->h == sh) {
                c->x = sx;
        c->oldbw = wa->border_width;
        if(c->w == sw && c->h == sh) {
                c->x = sx;


@@ -1000,16 +908,15 @@ manage(Window w, XWindowAttributes *wa) {
                c->bw = wa->border_width;
        }
        else {
                c->bw = wa->border_width;
        }
        else {

-               if(c->x + c->w + 2 * c->bw > wx + ww)
-                       c->x = wx + ww - c->w - 2 * c->bw;
-               if(c->y + c->h + 2 * c->bw > wy + wh)
-                       c->y = wy + wh - c->h - 2 * c->bw;
-               c->x = MAX(c->x, wx);
-               c->y = MAX(c->y, wy);
-               c->bw = BORDERPX;
+               if(c->x + c->w + 2 * c->bw > sx + sw)
+                       c->x = sx + sw - c->w - 2 * c->bw;
+               if(c->y + c->h + 2 * c->bw > sy + sh)
+                       c->y = sy + sh - c->h - 2 * c->bw;
+               c->x = MAX(c->x, sx);
+               /* only fix client y-offset, if the client center might cover the bar */
+               c->y = MAX(c->y, ((by == 0) && (c->x + (c->w / 2) >= wx) && (c->x + (c->w / 2) < wx + ww)) ? bh : sy);
+               c->bw = borderpx;

        }
        }

-       c->fx = c->x;
-       c->fy = c->y;

 
        wc.border_width = c->bw;
        XConfigureWindow(dpy, w, CWBorderWidth, &wc);
 
        wc.border_width = c->bw;
        XConfigureWindow(dpy, w, CWBorderWidth, &wc);


@@ -1022,15 +929,16 @@ manage(Window w, XWindowAttributes *wa) {
        if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))
                for(t = clients; t && t->win != trans; t = t->next);
        if(t)
        if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))
                for(t = clients; t && t->win != trans; t = t->next);
        if(t)

-               memcpy(c->tags, t->tags, TAGSZ);
+               c->tags = t->tags;

        else
                applyrules(c);
        if(!c->isfloating)
                c->isfloating = (rettrans == Success) || c->isfixed;
        else
                applyrules(c);
        if(!c->isfloating)
                c->isfloating = (rettrans == Success) || c->isfixed;

+       if(c->isfloating)
+               XRaiseWindow(dpy, c->win);

        attach(c);
        attachstack(c);
        XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); /* some windows require this */
        attach(c);
        attachstack(c);
        XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); /* some windows require this */

-       ban(c);

        XMapWindow(dpy, c->win);
        setclientstate(c, NormalState);
        arrange();
        XMapWindow(dpy, c->win);
        setclientstate(c, NormalState);
        arrange();


@@ -1059,25 +967,20 @@ maprequest(XEvent *e) {
 }
 
 void
 }
 
 void

-monocle(void) {
-       Client *c;
-
-       for(c = clients; c; c = c->next)
-               if((lt->isfloating || !c->isfloating) &&  isvisible(c, NULL))
-                       resize(c, mox, moy, mow - 2 * c->bw, moh - 2 * c->bw, RESIZEHINTS);
-}
-
-void
-movemouse(Client *c) {
+movemouse(const Arg *arg) {

        int x1, y1, ocx, ocy, di, nx, ny;
        int x1, y1, ocx, ocy, di, nx, ny;

-       unsigned int dui;
+       uint dui;
+       Client *c;

        Window dummy;
        XEvent ev;
 
        Window dummy;
        XEvent ev;
 

+       if(!(c = sel))
+               return;
+       restack();

        ocx = nx = c->x;
        ocy = ny = c->y;
        if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
        ocx = nx = c->x;
        ocy = ny = c->y;
        if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,

-                       None, cursor[CurMove], CurrentTime) != GrabSuccess)
+       None, cursor[CurMove], CurrentTime) != GrabSuccess)

                return;
        XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
        for(;;) {
                return;
        XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
        for(;;) {


@@ -1095,21 +998,21 @@ movemouse(Client *c) {
                        XSync(dpy, False);
                        nx = ocx + (ev.xmotion.x - x1);
                        ny = ocy + (ev.xmotion.y - y1);
                        XSync(dpy, False);
                        nx = ocx + (ev.xmotion.x - x1);
                        ny = ocy + (ev.xmotion.y - y1);

-                       if(abs(wx - nx) < SNAP)
-                               nx = wx;
-                       else if(abs((wx + ww) - (nx + c->w + 2 * c->bw)) < SNAP)
-                               nx = wx + ww - c->w - 2 * c->bw;
-                       if(abs(wy - ny) < SNAP)
-                               ny = wy;
-                       else if(abs((wy + wh) - (ny + c->h + 2 * c->bw)) < SNAP)
-                               ny = wy + wh - c->h - 2 * c->bw;
-                       if(!c->isfloating && !lt->isfloating && (abs(nx - c->x) > SNAP || abs(ny - c->y) > SNAP))
-                               togglefloating(NULL);
-                       if(lt->isfloating || c->isfloating) {
-                               c->fx = nx;
-                               c->fy = ny;
-                               resize(c, nx, ny, c->w, c->h, False);
+                       if(snap && nx >= wx && nx <= wx + ww
+                               && ny >= wy && ny <= wy + wh) {
+                               if(abs(wx - nx) < snap)
+                                       nx = wx;
+                               else if(abs((wx + ww) - (nx + c->w + 2 * c->bw)) < snap)
+                                       nx = wx + ww - c->w - 2 * c->bw;
+                               if(abs(wy - ny) < snap)
+                                       ny = wy;
+                               else if(abs((wy + wh) - (ny + c->h + 2 * c->bw)) < snap)
+                                       ny = wy + wh - c->h - 2 * c->bw;
+                               if(!c->isfloating && lt->arrange && (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
+                                       togglefloating(NULL);

                        }
                        }

+                       if(!lt->arrange || c->isfloating)
+                               resize(c, nx, ny, c->w, c->h, False);

                        break;
                }
        }
                        break;
                }
        }


@@ -1117,7 +1020,7 @@ movemouse(Client *c) {
 
 Client *
 nexttiled(Client *c) {
 
 Client *
 nexttiled(Client *c) {

-       for(; c && (c->isfloating || !isvisible(c, NULL)); c = c->next);
+       for(; c && (c->isfloating || c->isbanned); c = c->next);

        return c;
 }
 
        return c;
 }
 


@@ -1154,21 +1057,10 @@ propertynotify(XEvent *e) {
 }
 
 void
 }
 
 void

-quit(const char *arg) {
+quit(const Arg *arg) {

        readin = running = False;
 }
 
        readin = running = False;
 }
 

-void
-reapply(const char *arg) {
-       Client *c;
-
-       for(c = clients; c; c = c->next) {
-               memset(c->tags, 0, TAGSZ);
-               applyrules(c);
-       }
-       arrange();
-}
-

 void
 resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
        XWindowChanges wc;
 void
 resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
        XWindowChanges wc;


@@ -1183,13 +1075,11 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
                h -= c->baseh;
 
                /* adjust for aspect limits */
                h -= c->baseh;
 
                /* adjust for aspect limits */

-               if(c->minax != c->maxax && c->minay != c->maxay 
-               && c->minax > 0 && c->maxax > 0 && c->minay > 0 && c->maxay > 0)
-               {
-                       if(w * c->maxay > h * c->maxax)
-                               w = h * c->maxax / c->maxay;
-                       else if(w * c->minay < h * c->minax)
-                               h = w * c->minay / c->minax;
+               if(c->mina > 0 && c->maxa > 0) {
+                       if(c->maxa < (float) w/h)
+                               w = h * c->maxa;
+                       else if(c->mina > (float) h/w)
+                               h = w * c->mina;

                }
 
                /* adjust for increment value */
                }
 
                /* adjust for increment value */


@@ -1204,11 +1094,11 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
 
                w = MAX(w, c->minw);
                h = MAX(h, c->minh);
 
                w = MAX(w, c->minw);
                h = MAX(h, c->minh);

-               
-               if (c->maxw)
+
+               if(c->maxw)

                        w = MIN(w, c->maxw);
 
                        w = MIN(w, c->maxw);
 

-               if (c->maxh)
+               if(c->maxh)

                        h = MIN(h, c->maxh);
        }
        if(w <= 0 || h <= 0)
                        h = MIN(h, c->maxh);
        }
        if(w <= 0 || h <= 0)


@@ -1221,7 +1111,12 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
                x = sx;
        if(y + h + 2 * c->bw < sy)
                y = sy;
                x = sx;
        if(y + h + 2 * c->bw < sy)
                y = sy;

-       if(c->x != x || c->y != y || c->w != w || c->h != h) {
+       if(h < bh)
+               h = bh;
+       if(w < bh)
+               w = bh;
+       if(c->x != x || c->y != y || c->w != w || c->h != h || c->ismoved) {
+               c->ismoved = False;

                c->x = wc.x = x;
                c->y = wc.y = y;
                c->w = wc.width = w;
                c->x = wc.x = x;
                c->y = wc.y = y;
                c->w = wc.width = w;


@@ -1235,15 +1130,19 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
 }
 
 void
 }
 
 void

-resizemouse(Client *c) {
+resizemouse(const Arg *arg) {

        int ocx, ocy;
        int nw, nh;
        int ocx, ocy;
        int nw, nh;

+       Client *c;

        XEvent ev;
 
        XEvent ev;
 

+       if(!(c = sel))
+               return;
+       restack();

        ocx = c->x;
        ocy = c->y;
        if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
        ocx = c->x;
        ocy = c->y;
        if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,

-                       None, cursor[CurResize], CurrentTime) != GrabSuccess)
+       None, cursor[CurResize], CurrentTime) != GrabSuccess)

                return;
        XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
        for(;;) {
                return;
        XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
        for(;;) {


@@ -1264,16 +1163,15 @@ resizemouse(Client *c) {
                        XSync(dpy, False);
                        nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
                        nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
                        XSync(dpy, False);
                        nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
                        nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);

-                       if(!c->isfloating && !lt->isfloating && (abs(nw - c->w) > SNAP || abs(nh - c->h) > SNAP)) {
-                               c->fx = c->x;
-                               c->fy = c->y;
-                               togglefloating(NULL);
+
+                       if(snap && nw >= wx && nw <= wx + ww
+                               && nh >= wy && nh <= wy + wh) {
+                               if(!c->isfloating && lt->arrange
+                                  && (abs(nw - c->w) > snap || abs(nh - c->h) > snap))
+                                       togglefloating(NULL);

                        }
                        }

-                       if((lt->isfloating) || c->isfloating) {
+                       if(!lt->arrange || c->isfloating)

                                resize(c, c->x, c->y, nw, nh, True);
                                resize(c, c->x, c->y, nw, nh, True);

-                               c->fw = nw;
-                               c->fh = nh;
-                       }

                        break;
                }
        }
                        break;
                }
        }


@@ -1288,13 +1186,13 @@ restack(void) {
        drawbar();
        if(!sel)
                return;
        drawbar();
        if(!sel)
                return;

-       if(sel->isfloating || lt->isfloating)
+       if(ismax || sel->isfloating || !lt->arrange)

                XRaiseWindow(dpy, sel->win);
                XRaiseWindow(dpy, sel->win);

-       if(!lt->isfloating) {
+       if(!ismax && lt->arrange) {

                wc.stack_mode = Below;
                wc.sibling = barwin;
                for(c = stack; c; c = c->snext)
                wc.stack_mode = Below;
                wc.sibling = barwin;
                for(c = stack; c; c = c->snext)

-                       if(!c->isfloating && isvisible(c, NULL)) {
+                       if(!c->isfloating && !c->isbanned) {

                                XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
                                wc.sibling = c->win;
                        }
                                XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
                                wc.sibling = c->win;
                        }


@@ -1309,7 +1207,7 @@ run(void) {
        char sbuf[sizeof stext];
        fd_set rd;
        int r, xfd;
        char sbuf[sizeof stext];
        fd_set rd;
        int r, xfd;

-       unsigned int len, offset;
+       uint len, offset;

        XEvent ev;
 
        /* main event loop, also reads status text from stdin */
        XEvent ev;
 
        /* main event loop, also reads status text from stdin */


@@ -1365,7 +1263,7 @@ run(void) {
 
 void
 scan(void) {
 
 void
 scan(void) {

-       unsigned int i, num;
+       uint i, num;

        Window *wins, d1, d2;
        XWindowAttributes wa;
 
        Window *wins, d1, d2;
        XWindowAttributes wa;
 


@@ -1373,7 +1271,7 @@ scan(void) {
        if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
                for(i = 0; i < num; i++) {
                        if(!XGetWindowAttributes(dpy, wins[i], &wa)
        if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
                for(i = 0; i < num; i++) {
                        if(!XGetWindowAttributes(dpy, wins[i], &wa)

-                                       || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
+                       || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))

                                continue;
                        if(wa.map_state == IsViewable || getstate(wins[i]) == IconicState)
                                manage(wins[i], &wa);
                                continue;
                        if(wa.map_state == IsViewable || getstate(wins[i]) == IconicState)
                                manage(wins[i], &wa);


@@ -1382,7 +1280,7 @@ scan(void) {
                        if(!XGetWindowAttributes(dpy, wins[i], &wa))
                                continue;
                        if(XGetTransientForHint(dpy, wins[i], &d1)
                        if(!XGetWindowAttributes(dpy, wins[i], &wa))
                                continue;
                        if(XGetTransientForHint(dpy, wins[i], &d1)

-                                       && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState))
+                       && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState))

                                manage(wins[i], &wa);
                }
        }
                                manage(wins[i], &wa);
                }
        }


@@ -1398,86 +1296,37 @@ setclientstate(Client *c, long state) {
                        PropModeReplace, (unsigned char *)data, 2);
 }
 
                        PropModeReplace, (unsigned char *)data, 2);
 }
 

+/* arg > 1.0 will set mfact absolutly */

 void
 void

-setgeom(const char *arg) {
-       unsigned int i;
+setmfact(const Arg *arg) {
+       float f;

 
 

-       if(!arg) {
-               if(++geom == &geoms[LENGTH(geoms)])
-                       geom = &geoms[0];
-       }
-       else {
-               for(i = 0; i < LENGTH(geoms); i++)
-                       if(!strcmp(geoms[i].symbol, arg))
-                               break;
-               if(i == LENGTH(geoms))
-                       return;
-               geom = &geoms[i];
-       }
-       geom->apply();
-       updatebarpos();
-       arrange();
-}
-
-void
-setlayout(const char *arg) {
-       unsigned int i;
-
-       if(!arg) {
-               if(++lt == &layouts[LENGTH(layouts)])
-                       lt = &layouts[0];
-       }
-       else {
-               for(i = 0; i < LENGTH(layouts); i++)
-                       if(!strcmp(arg, layouts[i].symbol))
-                               break;
-               if(i == LENGTH(layouts))
-                       return;
-               lt = &layouts[i];
-       }
-       if(sel)
-               arrange();
-       else
-               drawbar();
-}
-
-void
-setmfact(const char *arg) {
-       double d;
-
-       if(lt->isfloating)
+       if(!arg || !lt->arrange)

                return;
                return;

-       if(!arg)
-               mfact = MFACT;
-       else {
-               d = strtod(arg, NULL);
-               if(arg[0] == '-' || arg[0] == '+')
-                       d += mfact;
-               if(d < 0.1 || d > 0.9)
-                       return;
-               mfact = d;
-       }
-       setgeom(geom->symbol);
+       f = arg->f < 1.0 ? arg->f + mfact : arg->f - 1.0;
+       if(f < 0.1 || f > 0.9)
+               return;
+       mfact = f;
+       arrange();

 }
 
 void
 setup(void) {
 }
 
 void
 setup(void) {

-       unsigned int i, w;
+       uint i;
+       int w;

        XSetWindowAttributes wa;
 
        /* init screen */
        screen = DefaultScreen(dpy);
        root = RootWindow(dpy, screen);
        XSetWindowAttributes wa;
 
        /* init screen */
        screen = DefaultScreen(dpy);
        root = RootWindow(dpy, screen);

-       initfont(FONT);
-
-       /* apply default geometry */
+       initfont(font);

        sx = 0;
        sy = 0;
        sw = DisplayWidth(dpy, screen);
        sh = DisplayHeight(dpy, screen);
        sx = 0;
        sy = 0;
        sw = DisplayWidth(dpy, screen);
        sh = DisplayHeight(dpy, screen);

-       bh = dc.font.height + 2;
-       mfact = MFACT;
-       geom->apply();
+       bh = dc.h = dc.font.height + 2;
+       lt = layouts;
+       updategeom();

 
        /* init atoms */
        wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
 
        /* init atoms */
        wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);


@@ -1493,42 +1342,31 @@ setup(void) {
        cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
 
        /* init appearance */
        cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
 
        /* init appearance */

-       dc.norm[ColBorder] = getcolor(NORMBORDERCOLOR);
-       dc.norm[ColBG] = getcolor(NORMBGCOLOR);
-       dc.norm[ColFG] = getcolor(NORMFGCOLOR);
-       dc.sel[ColBorder] = getcolor(SELBORDERCOLOR);
-       dc.sel[ColBG] = getcolor(SELBGCOLOR);
-       dc.sel[ColFG] = getcolor(SELFGCOLOR);
-       initfont(FONT);
-       dc.h = bh;
+       dc.norm[ColBorder] = getcolor(normbordercolor);
+       dc.norm[ColBG] = getcolor(normbgcolor);
+       dc.norm[ColFG] = getcolor(normfgcolor);
+       dc.sel[ColBorder] = getcolor(selbordercolor);
+       dc.sel[ColBG] = getcolor(selbgcolor);
+       dc.sel[ColFG] = getcolor(selfgcolor);

        dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(dpy, screen), bh, DefaultDepth(dpy, screen));
        dc.gc = XCreateGC(dpy, root, 0, 0);
        XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
        if(!dc.font.set)
                XSetFont(dpy, dc.gc, dc.font.xfont->fid);
 
        dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(dpy, screen), bh, DefaultDepth(dpy, screen));
        dc.gc = XCreateGC(dpy, root, 0, 0);
        XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
        if(!dc.font.set)
                XSetFont(dpy, dc.gc, dc.font.xfont->fid);
 

-       /* init tags */
-       tagset[0] = emallocz(TAGSZ);
-       tagset[1] = emallocz(TAGSZ);
-       tagset[0][0] = tagset[1][0] = True;
-

        /* init bar */
        for(blw = i = 0; LENGTH(layouts) > 1 && i < LENGTH(layouts); i++) {
        /* init bar */
        for(blw = i = 0; LENGTH(layouts) > 1 && i < LENGTH(layouts); i++) {

-               w = textw(layouts[i].symbol);
+               w = TEXTW(layouts[i].symbol);

                blw = MAX(blw, w);
        }
                blw = MAX(blw, w);
        }

-       for(bgw = i = 0; LENGTH(geoms) > 1 && i < LENGTH(geoms); i++) {
-               w = textw(geoms[i].symbol);
-               bgw = MAX(bgw, w);
-       }

 
        wa.override_redirect = 1;
        wa.background_pixmap = ParentRelative;
        wa.event_mask = ButtonPressMask|ExposureMask;
 
 
        wa.override_redirect = 1;
        wa.background_pixmap = ParentRelative;
        wa.event_mask = ButtonPressMask|ExposureMask;
 

-       barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen),
-                               CopyFromParent, DefaultVisual(dpy, screen),
-                               CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
+       barwin = XCreateWindow(dpy, root, wx, by, ww, bh, 0, DefaultDepth(dpy, screen),
+                       CopyFromParent, DefaultVisual(dpy, screen),
+                       CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);

        XDefineCursor(dpy, barwin, cursor[CurNormal]);
        XMapRaised(dpy, barwin);
        strcpy(stext, "dwm-"VERSION);
        XDefineCursor(dpy, barwin, cursor[CurNormal]);
        XMapRaised(dpy, barwin);
        strcpy(stext, "dwm-"VERSION);


@@ -1539,7 +1377,7 @@ setup(void) {
                        PropModeReplace, (unsigned char *) netatom, NetLast);
 
        /* select for events */
                        PropModeReplace, (unsigned char *) netatom, NetLast);
 
        /* select for events */

-       wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask
+       wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask

                        |EnterWindowMask|LeaveWindowMask|StructureNotifyMask;
        XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
        XSelectInput(dpy, root, wa.event_mask);
                        |EnterWindowMask|LeaveWindowMask|StructureNotifyMask;
        XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
        XSelectInput(dpy, root, wa.event_mask);


@@ -1550,13 +1388,7 @@ setup(void) {
 }
 
 void
 }
 
 void

-spawn(const char *arg) {
-       static char *shell = NULL;
-
-       if(!shell && !(shell = getenv("SHELL")))
-               shell = "/bin/sh";
-       if(!arg)
-               return;
+spawn(const Arg *arg) {

        /* The double-fork construct avoids zombie processes and keeps the code
         * clean from stupid signal handlers. */
        if(fork() == 0) {
        /* The double-fork construct avoids zombie processes and keeps the code
         * clean from stupid signal handlers. */
        if(fork() == 0) {


@@ -1564,8 +1396,8 @@ spawn(const char *arg) {
                        if(dpy)
                                close(ConnectionNumber(dpy));
                        setsid();
                        if(dpy)
                                close(ConnectionNumber(dpy));
                        setsid();

-                       execl(shell, shell, "-c", arg, (char *)NULL);
-                       fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg);
+                       execvp(((char **)arg->v)[0], (char **)arg->v);
+                       fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]);

                        perror(" failed");
                }
                exit(0);
                        perror(" failed");
                }
                exit(0);


@@ -1574,19 +1406,15 @@ spawn(const char *arg) {
 }
 
 void
 }
 
 void

-tag(const char *arg) {
-       unsigned int i;
-
-       if(!sel)
-               return;
-       for(i = 0; i < LENGTH(tags); i++)
-               sel->tags[i] = (NULL == arg);
-       sel->tags[idxoftag(arg)] = True;
-       arrange();
+tag(const Arg *arg) {
+       if(sel && arg->ui & TAGMASK) {
+               sel->tags = arg->ui & TAGMASK;
+               arrange();
+       }

 }
 
 }
 

-unsigned int
-textnw(const char *text, unsigned int len) {
+int
+textnw(const char *text, uint len) {

        XRectangle r;
 
        if(dc.font.set) {
        XRectangle r;
 
        if(dc.font.set) {


@@ -1596,126 +1424,94 @@ textnw(const char *text, unsigned int len) {
        return XTextWidth(dc.font.xfont, text, len);
 }
 
        return XTextWidth(dc.font.xfont, text, len);
 }
 

-unsigned int
-textw(const char *text) {
-       return textnw(text, strlen(text)) + dc.font.height;
-}
-

 void
 void

-tileh(void) {
-       int x, w;
-       unsigned int i, n = counttiled();
+tile(void) {
+       int x, y, h, w, mw;
+       uint i, n;

        Client *c;
 
        Client *c;
 

+       for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next), n++);

        if(n == 0)
                return;
        if(n == 0)
                return;

-       c = tilemaster(n);
-       if(--n == 0)
-               return;

 
 

-       x = tx;
-       w = tw / n;
-       if(w < bh)
-               w = tw;
+       /* master */
+       c = nexttiled(clients);
+       mw = mfact * ww;
+       resize(c, wx, wy, (n == 1 ? ww : mw) - 2 * c->bw, wh - 2 * c->bw, resizehints);

 
 

-       for(i = 0, c = nexttiled(c->next); c; c = nexttiled(c->next), i++) {
-               if(i + 1 == n) /* remainder */
-                       tileresize(c, x, ty, (tx + tw) - x - 2 * c->bw, th - 2 * c->bw);
-               else
-                       tileresize(c, x, ty, w - 2 * c->bw, th - 2 * c->bw);
-               if(w != tw)
-                       x = c->x + c->w + 2 * c->bw;
-       }
-}
-
-Client *
-tilemaster(unsigned int n) {
-       Client *c = nexttiled(clients);
-
-       if(n == 1)
-               tileresize(c, mox, moy, mow - 2 * c->bw, moh - 2 * c->bw);
-       else
-               tileresize(c, mx, my, mw - 2 * c->bw, mh - 2 * c->bw);
-       return c;
-}
-
-void
-tileresize(Client *c, int x, int y, int w, int h) {
-       resize(c, x, y, w, h, RESIZEHINTS);
-       if((RESIZEHINTS) && ((c->h < bh) || (c->h > h) || (c->w < bh) || (c->w > w)))
-               /* client doesn't accept size constraints */
-               resize(c, x, y, w, h, False);
-}
-
-void
-tilev(void) {
-       int y, h;
-       unsigned int i, n = counttiled();
-       Client *c;
-
-       if(n == 0)
-               return;
-       c = tilemaster(n);

        if(--n == 0)
                return;
 
        if(--n == 0)
                return;
 

-       y = ty;
-       h = th / n;
+       /* tile stack */
+       x = (wx + mw > c->x + c->w) ? c->x + c->w + 2 * c->bw : wx + mw;
+       y = wy;
+       w = (wx + mw > c->x + c->w) ? wx + ww - x : ww - mw;
+       h = wh / n;

        if(h < bh)
        if(h < bh)

-               h = th;
+               h = wh;

 
        for(i = 0, c = nexttiled(c->next); c; c = nexttiled(c->next), i++) {
 
        for(i = 0, c = nexttiled(c->next); c; c = nexttiled(c->next), i++) {

-               if(i + 1 == n) /* remainder */
-                       tileresize(c, tx, y, tw - 2 * c->bw, (ty + th) - y - 2 * c->bw);
-               else
-                       tileresize(c, tx, y, tw - 2 * c->bw, h - 2 * c->bw);
-               if(h != th)
+               resize(c, x, y, w - 2 * c->bw, /* remainder */ ((i + 1 == n)
+                      ? (wy + wh) - y : h) - 2 * c->bw, resizehints);
+               if(h != wh)

                        y = c->y + c->h + 2 * c->bw;
        }
 }
 
 void
                        y = c->y + c->h + 2 * c->bw;
        }
 }
 
 void

-togglefloating(const char *arg) {
+togglebar(const Arg *arg) {
+       showbar = !showbar;
+       updategeom();
+       updatebar();
+       arrange();
+}
+
+void
+togglefloating(const Arg *arg) {

        if(!sel)
                return;
        if(!sel)
                return;

-       sel->isfloating = !sel->isfloating;
+       sel->isfloating = !sel->isfloating || sel->isfixed;

        if(sel->isfloating)
                resize(sel, sel->x, sel->y, sel->w, sel->h, True);
        arrange();
 }
 
 void
        if(sel->isfloating)
                resize(sel, sel->x, sel->y, sel->w, sel->h, True);
        arrange();
 }
 
 void

-toggletag(const char *arg) {
-       unsigned int i, j;
+togglelayout(const Arg *arg) {
+       if(arg && arg->v)
+               lt = (Layout *)arg->v;
+       else if(++lt == &layouts[LENGTH(layouts)])
+               lt = &layouts[0];
+       if(sel)
+               arrange();
+       else
+               drawbar();
+}

 
 

-       if(!sel)
-               return;
-       i = idxoftag(arg);
-       sel->tags[i] = !sel->tags[i];
-       for(j = 0; j < LENGTH(tags) && !sel->tags[j]; j++);
-       if(j == LENGTH(tags))
-               sel->tags[i] = True; /* at least one tag must be enabled */
+void
+togglemax(const Arg *arg) {
+       ismax = !ismax;

        arrange();
 }
 
 void
        arrange();
 }
 
 void

-toggleview(const char *arg) {
-       unsigned int i, j;
-
-       i = idxoftag(arg);
-       tagset[seltags][i] = !tagset[seltags][i];
-       for(j = 0; j < LENGTH(tags) && !tagset[seltags][j]; j++);
-       if(j == LENGTH(tags))
-               tagset[seltags][i] = True; /* at least one tag must be viewed */
-       arrange();
+toggletag(const Arg *arg) {
+       uint mask = sel->tags ^ (arg->ui & TAGMASK);
+
+       if(sel && mask) {
+               sel->tags = mask;
+               arrange();
+       }

 }
 
 void
 }
 
 void

-unban(Client *c) {
-       if(!c->isbanned)
-               return;
-       XMoveWindow(dpy, c->win, c->x, c->y);
-       c->isbanned = False;
+toggleview(const Arg *arg) {
+       uint mask = tagset[seltags] ^ (arg->ui & TAGMASK);
+
+       if(mask) {
+               tagset[seltags] = mask;
+               arrange();
+       }

 }
 
 void
 }
 
 void


@@ -1733,7 +1529,6 @@ unmanage(Client *c) {
                focus(NULL);
        XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
        setclientstate(c, WithdrawnState);
                focus(NULL);
        XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
        setclientstate(c, WithdrawnState);

-       free(c->tags);

        free(c);
        XSync(dpy, False);
        XSetErrorHandler(xerror);
        free(c);
        XSync(dpy, False);
        XSetErrorHandler(xerror);


@@ -1751,12 +1546,39 @@ unmapnotify(XEvent *e) {
 }
 
 void
 }
 
 void

-updatebarpos(void) {
-
+updatebar(void) {

        if(dc.drawable != 0)
                XFreePixmap(dpy, dc.drawable);
        if(dc.drawable != 0)
                XFreePixmap(dpy, dc.drawable);

-       dc.drawable = XCreatePixmap(dpy, root, bw, bh, DefaultDepth(dpy, screen));
-       XMoveResizeWindow(dpy, barwin, bx, by, bw, bh);
+       dc.drawable = XCreatePixmap(dpy, root, ww, bh, DefaultDepth(dpy, screen));
+       XMoveResizeWindow(dpy, barwin, wx, by, ww, bh);
+}
+
+void
+updategeom(void) {
+#ifdef XINERAMA
+       int i;
+       XineramaScreenInfo *info = NULL;
+
+       /* window area geometry */
+       if(XineramaIsActive(dpy)) {
+               info = XineramaQueryScreens(dpy, &i);
+               wx = info[xidx].x_org;
+               wy = showbar && topbar ?  info[xidx].y_org + bh : info[xidx].y_org;
+               ww = info[xidx].width;
+               wh = showbar ? info[xidx].height - bh : info[xidx].height;
+               XFree(info);
+       }
+       else
+#endif
+       {
+               wx = sx;
+               wy = showbar && topbar ? sy + bh : sy;
+               ww = sw;
+               wh = showbar ? sh - bh : sh;
+       }
+
+       /* bar position */
+       by = showbar ? (topbar ? wy - bh : wy + wh) : -bh;

 }
 
 void
 }
 
 void


@@ -1764,49 +1586,45 @@ updatesizehints(Client *c) {
        long msize;
        XSizeHints size;
 
        long msize;
        XSizeHints size;
 

-       if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
-               size.flags = PSize;
-       c->flags = size.flags;
-       if(c->flags & PBaseSize) {
+       XGetWMNormalHints(dpy, c->win, &size, &msize);
+       if(size.flags & PBaseSize) {

                c->basew = size.base_width;
                c->baseh = size.base_height;
        }
                c->basew = size.base_width;
                c->baseh = size.base_height;
        }

-       else if(c->flags & PMinSize) {
+       else if(size.flags & PMinSize) {

                c->basew = size.min_width;
                c->baseh = size.min_height;
        }
        else
                c->basew = c->baseh = 0;
                c->basew = size.min_width;
                c->baseh = size.min_height;
        }
        else
                c->basew = c->baseh = 0;

-       if(c->flags & PResizeInc) {
+       if(size.flags & PResizeInc) {

                c->incw = size.width_inc;
                c->inch = size.height_inc;
        }
        else
                c->incw = c->inch = 0;
                c->incw = size.width_inc;
                c->inch = size.height_inc;
        }
        else
                c->incw = c->inch = 0;

-       if(c->flags & PMaxSize) {
+       if(size.flags & PMaxSize) {

                c->maxw = size.max_width;
                c->maxh = size.max_height;
        }
        else
                c->maxw = c->maxh = 0;
                c->maxw = size.max_width;
                c->maxh = size.max_height;
        }
        else
                c->maxw = c->maxh = 0;

-       if(c->flags & PMinSize) {
+       if(size.flags & PMinSize) {

                c->minw = size.min_width;
                c->minh = size.min_height;
        }
                c->minw = size.min_width;
                c->minh = size.min_height;
        }

-       else if(c->flags & PBaseSize) {
+       else if(size.flags & PBaseSize) {

                c->minw = size.base_width;
                c->minh = size.base_height;
        }
        else
                c->minw = c->minh = 0;
                c->minw = size.base_width;
                c->minh = size.base_height;
        }
        else
                c->minw = c->minh = 0;

-       if(c->flags & PAspect) {
-               c->minax = size.min_aspect.x;
-               c->maxax = size.max_aspect.x;
-               c->minay = size.min_aspect.y;
-               c->maxay = size.max_aspect.y;
+       if(size.flags & PAspect) {
+               c->mina = (float)size.min_aspect.y / (float)size.min_aspect.x;
+               c->maxa = (float)size.max_aspect.x / (float)size.max_aspect.y;

        }
        else
        }
        else

-               c->minax = c->maxax = c->minay = c->maxay = 0;
+               c->maxa = c->mina = 0.0;

        c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
                        && c->maxw == c->minw && c->maxh == c->minh);
 }
        c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
                        && c->maxw == c->minw && c->maxh == c->minh);
 }


@@ -1831,16 +1649,10 @@ updatewmhints(Client *c) {
 }
 
 void
 }
 
 void

-view(const char *arg) {
-       seltags ^= 1;
-       memset(tagset[seltags], (NULL == arg), TAGSZ);
-       tagset[seltags][idxoftag(arg)] = True;
-       arrange();
-}
-
-void
-viewprevtag(const char *arg) {
+view(const Arg *arg) {

        seltags ^= 1; /* toggle sel tagset */
        seltags ^= 1; /* toggle sel tagset */

+       if(arg && (arg->ui & TAGMASK))
+               tagset[seltags] = arg->i & TAGMASK;

        arrange();
 }
 
        arrange();
 }
 


@@ -1860,7 +1672,7 @@ xerror(Display *dpy, XErrorEvent *ee) {
        || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
                return 0;
        fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
        || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
                return 0;
        fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",

-               ee->request_code, ee->error_code);
+                       ee->request_code, ee->error_code);

        return xerrorxlib(dpy, ee); /* may call exit */
 }
 
        return xerrorxlib(dpy, ee); /* may call exit */
 }
 


@@ -1878,17 +1690,17 @@ xerrorstart(Display *dpy, XErrorEvent *ee) {
 }
 
 void
 }
 
 void

-zoom(const char *arg) {
+zoom(const Arg *arg) {

        Client *c = sel;
 
        Client *c = sel;
 

+       if(ismax || !lt->arrange || (sel && sel->isfloating))
+               return;

        if(c == nexttiled(clients))
                if(!c || !(c = nexttiled(c->next)))
                        return;
        if(c == nexttiled(clients))
                if(!c || !(c = nexttiled(c->next)))
                        return;

-       if(!lt->isfloating && !sel->isfloating) {
-               detach(c);
-               attach(c);
-               focus(c);
-       }
+       detach(c);
+       attach(c);
+       focus(c);

        arrange();
 }
 
        arrange();
 }
 


@@ -1912,4 +1724,3 @@ main(int argc, char *argv[]) {
        XCloseDisplay(dpy);
        return 0;
 }
        XCloseDisplay(dpy);
        return 0;
 }

-