made the string-based setgeom working

[dwm.git] / dwm.c

diff --git a/dwm.c b/dwm.c
index 5d93d34..4a9ca82 100644 (file)
--- a/dwm.c
+++ b/dwm.c
@@ -107,6 +107,7 @@ typedef struct {
 } Rule;
 
 /* function declarations */
+void applygeom(const char *arg);
 void applyrules(Client *c);
 void arrange(void);
 void attach(Client *c);
@@ -236,6 +237,55 @@ static Bool tmp[LENGTH(tags)];
 /* function implementations */
 
 void
+applygeometry(const char *arg) {
+       static const char *lastArg = NULL;
+       char delim, op, *s, *e, *p;
+       double val;
+       int i, *map[] = { &bx,  &by,  &bw,  &bh,
+                         &wx,  &wy,  &ww,  &wh,
+                         &mx,  &my,  &mw,  &mh,
+                         &tx,  &ty,  &tw,  &th,
+                         &mox, &moy, &mow, &moh };
+
+       if(!arg)
+               arg = lastArg;
+       else
+               lastArg = arg;
+       if(!lastArg)
+               return;
+       strncpy(buf, arg, sizeof buf);
+       for(i = 0, e = s = buf; i < LENGTH(map) && e; e++)
+               if(*e == ' ' || *e == 0) {
+                       delim = *e;
+                       *e = 0;
+                       op = 0;
+                       /* check if there is an operator */
+                       for(p = s; p < e && *p != '-' && *p != '+' && *p != '*'; p++);
+                       if(*p) {
+                               op = *p;
+                               *p = 0;
+                       }
+                       val = getdouble(s);
+                       if(op && p > s) { /* intermediate operand, e.g. H-B */
+                               *(map[i]) = (int)val;
+                               s = ++p;
+                               val = getdouble(s);
+                       }
+                       switch(op) {
+                       default:  *(map[i])  = (int)val; break;
+                       case '-': *(map[i]) -= (int)val; break;
+                       case '+': *(map[i]) += (int)val; break;
+                       case '*': *(map[i])  = (int)(((double)*(map[i])) * val); break;
+                       }
+                       if(delim == 0)
+                               e = NULL;
+                       else
+                               s = ++e;
+                       i++;
+               }
+}
+
+void
 applyrules(Client *c) {
        unsigned int i;
        Bool matched = False;
@@ -410,11 +460,8 @@ void
 configurenotify(XEvent *e) {
        XConfigureEvent *ev = &e->xconfigure;
 
-       if(ev->window == root && (ev->width != sw || ev->height != sh)) {
+       if(ev->window == root && (ev->width != sw || ev->height != sh))
                setgeom(NULL);
-               updatebarpos();
-               arrange();
-       }
 }
 
 void
@@ -1391,31 +1438,11 @@ setclientstate(Client *c, long state) {
                        PropModeReplace, (unsigned char *)data, 2);
 }
 
-/**
- * Idea:
- *
- * having a geom syntax as follows, which is interpreted as integer.
- *
- * [-,+][<0..n>|<W,H,B>]
- *
- *
- * B = bar height, W = DisplayWidth(), H = DisplayHeight()
- *
- * -/+/* /: is relative to current
- *
- * Then we would come down with <bx>,<by>,<bw>,<bh>,...
- *
- * "0 0 W B 0 0 W W N E B,W,B,
- *
- *
- */
-
 double
 getdouble(const char *s) {
        char *endp;
        double result = 0;
 
-       fprintf(stderr, "getdouble '%s'\n", s);
        switch(*s) {
        default: 
                result = strtod(s, &endp);
@@ -1426,58 +1453,12 @@ getdouble(const char *s) {
        case 'W': result = sw; break;
        case 'H': result = sh; break;
        }
-       fprintf(stderr, "getdouble returns '%f'\n", result);
        return result;
 }
 
 void
 setgeom(const char *arg) {
-       static const char *lastArg = NULL;
-       char op, *s, *e, *p;
-       double val;
-       int i, *map[] = { &bx,  &by,  &bw,  &bh,
-                         &wx,  &wy,  &ww,  &wh,
-                         &mx,  &my,  &mw,  &mh,
-                         &tx,  &ty,  &tw,  &th,
-                         &mox, &moy, &mow, &moh };
-
-       if(!arg)
-               arg = lastArg;
-       else
-               lastArg = arg;
-       if(!lastArg)
-               return;
-       strncpy(buf, arg, sizeof buf);
-       for(i = 0, e = s = buf; e && *e; e++)
-               if(*e == ' ') {
-                       *e = 0;
-                       fprintf(stderr, "next geom arg='%s'\n", s);
-                       op = 0;
-                       /* check if there is an operator */
-                       for(p = s; *p && *p != '-' && *p != '+' && *p != '*' && *p != ':'; p++);
-                       if(*p) {
-                               op = *p;
-                               *p = 0;
-                       }
-                       val = getdouble(s);
-                       fprintf(stderr, "val1: %d\n", val);
-                       if(p > s) { /* intermediate operand, e.g. H-B */
-                               *(map[i]) = val;
-                               s = ++p;
-                               val = getdouble(s);
-                               fprintf(stderr, "val2: %d\n", val);
-                       }
-                       switch(op) {
-                       default: *(map[i])   = val; break;
-                       case '-': *(map[i]) -= val; break;
-                       case '+': *(map[i]) += val; break;
-                       case '*': *(map[i]) *= val; break;
-                       case ':': if(val != 0) *(map[i]) /= val; break;
-                       }
-                       fprintf(stderr, "map[i]='%d'\n", val);
-                       s = ++e;
-                       i++;
-               }
+       applygeometry(arg);
        updatebarpos();
        arrange();
 }
@@ -1521,7 +1502,7 @@ setup(void) {
        sy = 0;
        sw = DisplayWidth(dpy, screen);
        sh = DisplayHeight(dpy, screen);
-       setgeom(GEOMETRY);
+       applygeometry(GEOMETRY);
 
        /* init atoms */
        wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);