cleaned up settags-handling

[dwm.git] / layout.c

diff --git a/layout.c b/layout.c
index fe12e1e..030c282 100644 (file)
--- a/layout.c
+++ b/layout.c
@@ -2,10 +2,24 @@
 #include "dwm.h"
 #include <stdlib.h>
 
+/* static */
+
+typedef struct {
+       const char *symbol;
+       void (*arrange)(void);
+} Layout;
+
 unsigned int blw = 0;
-Layout *lt = NULL;
+static unsigned int ltidx = 0; /* default */
 
-/* static */
+static void
+floating(void) { /* default floating layout */
+       Client *c;
+
+       for(c = clients; c; c = c->next)
+               if(isvisible(c))
+                       resize(c, c->x, c->y, c->w, c->h, True);
+}
 
 static unsigned int nlayouts = 0;
 
@@ -14,40 +28,44 @@ LAYOUTS
 /* extern */
 
 void
-floating(void) {
+arrange(void) {
        Client *c;
 
-       if(lt->arrange != floating)
-               return;
-
        for(c = clients; c; c = c->next)
-               if(isvisible(c)) {
+               if(isvisible(c))
                        unban(c);
-                       resize(c, c->x, c->y, c->w, c->h, True);
-               }
                else
                        ban(c);
+       layouts[ltidx].arrange();
        focus(NULL);
        restack();
 }
 
 void
-focusclient(const char *arg) {
+focusnext(const char *arg) {
        Client *c;
-   
-       if(!sel || !arg)
+
+       if(!sel)
                return;
-       if(atoi(arg) < 0) {
-               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);
-               }
+       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();
        }
-       else {
-               for(c = sel->next; c && !isvisible(c); c = c->next);
-               if(!c)
-                       for(c = clients; c && !isvisible(c); c = c->next);
+}
+
+void
+focusprev(const char *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);
@@ -55,14 +73,31 @@ focusclient(const char *arg) {
        }
 }
 
+const char *
+getsymbol(void)
+{
+       return layouts[ltidx].symbol;
+}
+
+Bool
+isfloating(void) {
+       return layouts[ltidx].arrange == floating;
+}
+
+Bool
+isarrange(void (*func)())
+{
+       return func == layouts[ltidx].arrange;
+}
+
 void
 initlayouts(void) {
        unsigned int i, w;
 
-       lt = &layout[0];
-       nlayouts = sizeof layout / sizeof layout[0];
+       /* TODO deserialize ltidx if present */
+       nlayouts = sizeof layouts / sizeof layouts[0];
        for(blw = i = 0; i < nlayouts; i++) {
-               w = textw(layout[i].symbol);
+               w = textw(layouts[i].symbol);
                if(w > blw)
                        blw = w;
        }
@@ -83,9 +118,9 @@ restack(void) {
        drawstatus();
        if(!sel)
                return;
-       if(sel->isfloating || lt->arrange == floating)
+       if(sel->isfloating || isfloating())
                XRaiseWindow(dpy, sel->win);
-       if(lt->arrange != floating) {
+       if(!isfloating()) {
                wc.stack_mode = Below;
                wc.sibling = barwin;
                if(!sel->isfloating) {
@@ -108,18 +143,17 @@ setlayout(const char *arg) {
        int i;
 
        if(!arg) {
-               lt++;
-               if(lt == layout + nlayouts)
-                       lt = layout;
+               if(++ltidx == nlayouts)
+                       ltidx = 0;;
        }
        else {
                i = atoi(arg);
                if(i < 0 || i >= nlayouts)
                        return;
-               lt = &layout[i];
+               ltidx = i;
        }
        if(sel)
-               lt->arrange();
+               arrange();
        else
                drawstatus();
 }
@@ -131,14 +165,14 @@ togglebar(const char *arg) {
        else
                bpos = BarOff;
        updatebarpos();
-       lt->arrange();
+       arrange();
 }
 
 void
 togglemax(const char *arg) {
        XEvent ev;
 
-       if(!sel || (lt->arrange != floating && !sel->isfloating) || sel->isfixed)
+       if(!sel || (!isfloating() && !sel->isfloating) || sel->isfixed)
                return;
        if((sel->ismax = !sel->ismax)) {
                sel->rx = sel->x;