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replaced Nmacros with LENGTH(x) macro

This commit is contained in:
Anselm R. Garbe 2007-10-28 12:52:16 +01:00
parent c36f7c3c5e
commit 34e7872c89
2 changed files with 26 additions and 27 deletions

View File

@ -11,11 +11,13 @@
#define SELBGCOLOR "#0066ff" #define SELBGCOLOR "#0066ff"
#define SELFGCOLOR "#ffffff" #define SELFGCOLOR "#ffffff"
/* convenience */
#define LENGTH(x) (sizeof x / sizeof x[0])
/* tagging */ /* tagging */
const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "www" }; const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "www" };
#define NTAGS (sizeof tags / sizeof tags[0]) Bool seltags[LENGTH(tags)] = {[0] = True};
Bool seltags[NTAGS] = {[0] = True}; Bool prevtags[LENGTH(tags)] = {[0] = True};
Bool prevtags[NTAGS] = {[0] = True};
Rule rules[] = { Rule rules[] = {
/* class:instance:title regex tags regex isfloating */ /* class:instance:title regex tags regex isfloating */
{ "Firefox", "www", False }, { "Firefox", "www", False },
@ -23,7 +25,6 @@ Rule rules[] = {
{ "MPlayer", NULL, True }, { "MPlayer", NULL, True },
{ "Acroread", NULL, True }, { "Acroread", NULL, True },
}; };
#define NRULES (sizeof rules / sizeof rules[0])
/* layout(s) */ /* layout(s) */
#define MWFACT 0.6 /* master width factor [0.1 .. 0.9] */ #define MWFACT 0.6 /* master width factor [0.1 .. 0.9] */
@ -33,7 +34,6 @@ Layout layouts[] = {
{ "[]=", tile }, /* first entry is default */ { "[]=", tile }, /* first entry is default */
{ "><>", floating }, { "><>", floating },
}; };
#define NLAYOUTS (sizeof layouts / sizeof layouts[0])
/* key definitions */ /* key definitions */
#define MODKEY Mod1Mask #define MODKEY Mod1Mask
@ -95,4 +95,3 @@ Key keys[] = { \
{ MODKEY|ControlMask|ShiftMask, XK_9, toggletag, tags[8] }, \ { MODKEY|ControlMask|ShiftMask, XK_9, toggletag, tags[8] }, \
{ MODKEY|ShiftMask, XK_q, quit, NULL }, \ { MODKEY|ShiftMask, XK_q, quit, NULL }, \
}; };
#define NKEYS (sizeof keys / sizeof keys[0])

42
dwm.c
View File

@ -245,10 +245,10 @@ applyrules(Client *c) {
snprintf(buf, sizeof buf, "%s:%s:%s", snprintf(buf, sizeof buf, "%s:%s:%s",
ch.res_class ? ch.res_class : "", ch.res_class ? ch.res_class : "",
ch.res_name ? ch.res_name : "", c->name); ch.res_name ? ch.res_name : "", c->name);
for(i = 0; i < NRULES; i++) for(i = 0; i < LENGTH(rules); i++)
if(regs[i].propregex && !regexec(regs[i].propregex, buf, 1, &tmp, 0)) { if(regs[i].propregex && !regexec(regs[i].propregex, buf, 1, &tmp, 0)) {
c->isfloating = rules[i].isfloating; c->isfloating = rules[i].isfloating;
for(j = 0; regs[i].tagregex && j < NTAGS; j++) { for(j = 0; regs[i].tagregex && j < LENGTH(tags); j++) {
if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) { if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
matched = True; matched = True;
c->tags[j] = True; c->tags[j] = True;
@ -307,7 +307,7 @@ buttonpress(XEvent *e) {
if(barwin == ev->window) { if(barwin == ev->window) {
x = 0; x = 0;
for(i = 0; i < NTAGS; i++) { for(i = 0; i < LENGTH(tags); i++) {
x += textw(tags[i]); x += textw(tags[i]);
if(ev->x < x) { if(ev->x < x) {
if(ev->button == Button1) { if(ev->button == Button1) {
@ -400,8 +400,8 @@ compileregs(void) {
if(regs) if(regs)
return; return;
regs = emallocz(NRULES * sizeof(Regs)); regs = emallocz(LENGTH(rules) * sizeof(Regs));
for(i = 0; i < NRULES; i++) { for(i = 0; i < LENGTH(rules); i++) {
if(rules[i].prop) { if(rules[i].prop) {
reg = emallocz(sizeof(regex_t)); reg = emallocz(sizeof(regex_t));
if(regcomp(reg, rules[i].prop, REG_EXTENDED)) if(regcomp(reg, rules[i].prop, REG_EXTENDED))
@ -530,7 +530,7 @@ drawbar(void) {
int i, x; int i, x;
dc.x = dc.y = 0; dc.x = dc.y = 0;
for(i = 0; i < NTAGS; i++) { for(i = 0; i < LENGTH(tags); i++) {
dc.w = textw(tags[i]); dc.w = textw(tags[i]);
if(seltags[i]) { if(seltags[i]) {
drawtext(tags[i], dc.sel); drawtext(tags[i], dc.sel);
@ -841,8 +841,8 @@ unsigned int
idxoftag(const char *tag) { idxoftag(const char *tag) {
unsigned int i; unsigned int i;
for(i = 0; (i < NTAGS) && (tags[i] != tag); i++); for(i = 0; (i < LENGTH(tags)) && (tags[i] != tag); i++);
return (i < NTAGS) ? i : 0; return (i < LENGTH(tags)) ? i : 0;
} }
void void
@ -916,7 +916,7 @@ Bool
isvisible(Client *c) { isvisible(Client *c) {
unsigned int i; unsigned int i;
for(i = 0; i < NTAGS; i++) for(i = 0; i < LENGTH(tags); i++)
if(c->tags[i] && seltags[i]) if(c->tags[i] && seltags[i])
return True; return True;
return False; return False;
@ -932,7 +932,7 @@ keypress(XEvent *e) {
if(!e) { /* grabkeys */ if(!e) { /* grabkeys */
XUngrabKey(dpy, AnyKey, AnyModifier, root); XUngrabKey(dpy, AnyKey, AnyModifier, root);
for(i = 0; i < NKEYS; i++) { for(i = 0; i < LENGTH(keys); i++) {
code = XKeysymToKeycode(dpy, keys[i].keysym); code = XKeysymToKeycode(dpy, keys[i].keysym);
XGrabKey(dpy, code, keys[i].mod, root, True, XGrabKey(dpy, code, keys[i].mod, root, True,
GrabModeAsync, GrabModeAsync); GrabModeAsync, GrabModeAsync);
@ -947,7 +947,7 @@ keypress(XEvent *e) {
} }
ev = &e->xkey; ev = &e->xkey;
keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0); keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
for(i = 0; i < NKEYS; i++) for(i = 0; i < LENGTH(keys); i++)
if(keysym == keys[i].keysym if(keysym == keys[i].keysym
&& CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)) && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state))
{ {
@ -1366,14 +1366,14 @@ setlayout(const char *arg) {
unsigned int i; unsigned int i;
if(!arg) { if(!arg) {
if(++layout == &layouts[NLAYOUTS]) if(++layout == &layouts[LENGTH(layouts)])
layout = &layouts[0]; layout = &layouts[0];
} }
else { else {
for(i = 0; i < NLAYOUTS; i++) for(i = 0; i < LENGTH(layouts); i++)
if(!strcmp(arg, layouts[i].symbol)) if(!strcmp(arg, layouts[i].symbol))
break; break;
if(i == NLAYOUTS) if(i == LENGTH(layouts))
return; return;
layout = &layouts[i]; layout = &layouts[i];
} }
@ -1469,7 +1469,7 @@ setup(void) {
/* init layouts */ /* init layouts */
mwfact = MWFACT; mwfact = MWFACT;
layout = &layouts[0]; layout = &layouts[0];
for(blw = i = 0; i < NLAYOUTS; i++) { for(blw = i = 0; i < LENGTH(layouts); i++) {
j = textw(layouts[i].symbol); j = textw(layouts[i].symbol);
if(j > blw) if(j > blw)
blw = j; blw = j;
@ -1527,7 +1527,7 @@ tag(const char *arg) {
if(!sel) if(!sel)
return; return;
for(i = 0; i < NTAGS; i++) for(i = 0; i < LENGTH(tags); i++)
sel->tags[i] = (NULL == arg); sel->tags[i] = (NULL == arg);
sel->tags[idxoftag(arg)] = True; sel->tags[idxoftag(arg)] = True;
arrange(); arrange();
@ -1649,8 +1649,8 @@ toggletag(const char *arg) {
return; return;
i = idxoftag(arg); i = idxoftag(arg);
sel->tags[i] = !sel->tags[i]; sel->tags[i] = !sel->tags[i];
for(j = 0; j < NTAGS && !sel->tags[j]; j++); for(j = 0; j < LENGTH(tags) && !sel->tags[j]; j++);
if(j == NTAGS) if(j == LENGTH(tags))
sel->tags[i] = True; /* at least one tag must be enabled */ sel->tags[i] = True; /* at least one tag must be enabled */
arrange(); arrange();
} }
@ -1661,8 +1661,8 @@ toggleview(const char *arg) {
i = idxoftag(arg); i = idxoftag(arg);
seltags[i] = !seltags[i]; seltags[i] = !seltags[i];
for(j = 0; j < NTAGS && !seltags[j]; j++); for(j = 0; j < LENGTH(tags) && !seltags[j]; j++);
if(j == NTAGS) if(j == LENGTH(tags))
seltags[i] = True; /* at least one tag must be viewed */ seltags[i] = True; /* at least one tag must be viewed */
arrange(); arrange();
} }
@ -1828,7 +1828,7 @@ view(const char *arg) {
unsigned int i; unsigned int i;
memcpy(prevtags, seltags, sizeof seltags); memcpy(prevtags, seltags, sizeof seltags);
for(i = 0; i < NTAGS; i++) for(i = 0; i < LENGTH(tags); i++)
seltags[i] = (NULL == arg); seltags[i] = (NULL == arg);
seltags[idxoftag(arg)] = True; seltags[idxoftag(arg)] = True;
arrange(); arrange();