removed the string-based setgeom approach, introduced a new Geom type instead and...

[dwm.git] / dwm.c

diff --git a/dwm.c b/dwm.c
index 4a9ca82..f83e800 100644 (file)
--- a/dwm.c
+++ b/dwm.c
@@ -46,6 +46,14 @@
 #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); \
+}
 
 /* enums */
 enum { CurNormal, CurResize, CurMove, CurLast };       /* cursor */
@@ -86,6 +94,11 @@ typedef struct {
 } DC; /* draw context */
 
 typedef struct {
+       const char *symbol;
+       void (*apply)(void);
+} Geom;
+
+typedef struct {
        unsigned long mod;
        KeySym keysym;
        void (*func)(const char *arg);
@@ -107,7 +120,6 @@ typedef struct {
 } Rule;
 
 /* function declarations */
-void applygeom(const char *arg);
 void applyrules(Client *c);
 void arrange(void);
 void attach(Client *c);
@@ -137,7 +149,6 @@ void focusnext(const char *arg);
 void focusprev(const char *arg);
 Client *getclient(Window w);
 unsigned long getcolor(const char *colstr);
-double getdouble(const char *s);
 long getstate(Window w);
 Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
 void grabbuttons(Client *c, Bool focused);
@@ -226,6 +237,7 @@ Client *stack = NULL;
 Cursor cursor[CurLast];
 Display *dpy;
 DC dc = {0};
+Geom *geom = NULL;
 Layout *lt = NULL;
 Window root, barwin;
 
@@ -237,55 +249,6 @@ 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;
@@ -1438,27 +1401,17 @@ setclientstate(Client *c, long state) {
                        PropModeReplace, (unsigned char *)data, 2);
 }
 
-double
-getdouble(const char *s) {
-       char *endp;
-       double result = 0;
-
-       switch(*s) {
-       default: 
-               result = strtod(s, &endp);
-               if(s == endp || *endp != 0)
-                       result = strtol(s, &endp, 0);
-               break;
-       case 'B': result = dc.font.height + 2; break;
-       case 'W': result = sw; break;
-       case 'H': result = sh; break;
-       }
-       return result;
-}
-
 void
 setgeom(const char *arg) {
-       applygeometry(arg);
+       unsigned int i;
+
+       for(i = 0; arg && i < LENGTH(geoms); i++)
+               if(!strcmp(geoms[i].symbol, arg))
+                       break;
+       if(i == LENGTH(geoms))
+               return;
+       geom = &geoms[i];
+       geom->apply();
        updatebarpos();
        arrange();
 }
@@ -1497,12 +1450,14 @@ setup(void) {
        root = RootWindow(dpy, screen);
        initfont(FONT);
 
-       /* apply default dimensions */
+       /* apply default geometry */
        sx = 0;
        sy = 0;
        sw = DisplayWidth(dpy, screen);
        sh = DisplayHeight(dpy, screen);
-       applygeometry(GEOMETRY);
+       bh = dc.font.height + 2;
+       geom = &geoms[0];
+       geom->apply();
 
        /* init atoms */
        wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);