X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=dwm.c;h=908c4640f348a843ddc64423831c89b67a8ee694;hb=cd3d83f571d1e3d9e765df448617ab859bbda584;hp=0c9acbe0fc265a60f6a74ca13e832f406a5f061c;hpb=825d6cb93a37f8c67a7c8b1a027e5eebc3f4dda7;p=dwm.git

diff --git a/dwm.c b/dwm.c
index 0c9acbe..908c464 100644
--- a/dwm.c
+++ b/dwm.c
@@ -52,6 +52,7 @@
 #define MAXTAGLEN       16
 #define MOUSEMASK       (BUTTONMASK|PointerMotionMask)
 #define TAGMASK         ((int)((1LL << LENGTH(tags)) - 1))
+#define VISIBLE(x)      ((x)->tags & tagset[seltags])
 
 /* enums */
 enum { CurNormal, CurResize, CurMove, CurLast };        /* cursor */
@@ -69,7 +70,7 @@ struct Client {
 	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
 	int minax, maxax, minay, maxay;
 	long flags;
-	uint bw, oldbw;
+	int bw, oldbw;
 	Bool isbanned, isfixed, isfloating, isurgent;
 	uint tags;
 	Client *next;
@@ -94,7 +95,7 @@ typedef struct {
 } DC; /* draw context */
 
 typedef struct {
-	ulong mod;
+	uint mod;
 	KeySym keysym;
 	void (*func)(const void *arg);
 	const void *arg;
@@ -132,7 +133,6 @@ void detachstack(Client *c);
 void drawbar(void);
 void drawsquare(Bool filled, Bool empty, Bool invert, ulong col[ColLast]);
 void drawtext(const char *text, ulong col[ColLast], Bool invert);
-void *emallocz(uint size);
 void enternotify(XEvent *e);
 void eprint(const char *errstr, ...);
 void expose(XEvent *e);
@@ -150,7 +150,6 @@ void initfont(const char *fontstr);
 Bool isoccupied(uint t);
 Bool isprotodel(Client *c);
 Bool isurgent(uint t);
-Bool isvisible(Client *c);
 void keypress(XEvent *e);
 void killclient(const void *arg);
 void manage(Window w, XWindowAttributes *wa);
@@ -234,11 +233,10 @@ Window root, barwin;
 /* configuration, allows nested code to access above variables */
 #include "config.h"
 
-/* check if all tags will fit into a uint bitarray. */
-static char tags_is_a_sign_that_your_IQ[sizeof(int) * 8 < LENGTH(tags) ? -1 : 1];
+/* 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) {
 	uint i;
@@ -269,7 +267,7 @@ arrange(void) {
 	Client *c;
 
 	for(c = clients; c; c = c->next)
-		if(isvisible(c)) {
+		if(VISIBLE(c)) {
 			unban(c);
 			if(!lt->arrange || c->isfloating)
 				resize(c, c->x, c->y, c->w, c->h, True);
@@ -446,7 +444,7 @@ configurerequest(XEvent *e) {
 			if((ev->value_mask & (CWX|CWY))
 			&& !(ev->value_mask & (CWWidth|CWHeight)))
 				configure(c);
-			if(isvisible(c))
+			if(VISIBLE(c))
 				XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
 		}
 		else
@@ -499,7 +497,7 @@ drawbar(void) {
 	Client *c;
 
 	dc.x = 0;
-	for(c = stack; c && !isvisible(c); c = c->snext);
+	for(c = stack; c && !VISIBLE(c); c = c->snext);
 	for(i = 0; i < LENGTH(tags); i++) {
 		dc.w = textw(tags[i]);
 		if(tagset[seltags] & 1 << i) {
@@ -597,15 +595,6 @@ drawtext(const char *text, ulong col[ColLast], Bool invert) {
 		XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
 }
 
-void *
-emallocz(uint 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;
@@ -639,8 +628,8 @@ expose(XEvent *e) {
 
 void
 focus(Client *c) {
-	if(!c || (c && !isvisible(c)))
-		for(c = stack; c && !isvisible(c); c = c->snext);
+	if(!c || (c && !VISIBLE(c)))
+		for(c = stack; c && !VISIBLE(c); c = c->snext);
 	if(sel && sel != c) {
 		grabbuttons(sel, False);
 		XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
@@ -674,9 +663,9 @@ focusnext(const void *arg) {
 
 	if(!sel)
 		return;
-	for(c = sel->next; c && !isvisible(c); c = c->next);
+	for(c = sel->next; c && !VISIBLE(c); c = c->next);
 	if(!c)
-		for(c = clients; c && !isvisible(c); c = c->next);
+		for(c = clients; c && !VISIBLE(c); c = c->next);
 	if(c) {
 		focus(c);
 		restack();
@@ -689,10 +678,10 @@ focusprev(const void *arg) {
 
 	if(!sel)
 		return;
-	for(c = sel->prev; c && !isvisible(c); c = c->prev);
+	for(c = sel->prev; c && !VISIBLE(c); c = c->prev);
 	if(!c) {
 		for(c = clients; c && c->next; c = c->next);
-		for(; c && !isvisible(c); c = c->prev);
+		for(; c && !VISIBLE(c); c = c->prev);
 	}
 	if(c) {
 		focus(c);
@@ -884,11 +873,6 @@ isurgent(uint t) {
 	return False;
 }
 
-Bool
-isvisible(Client *c) {
-	return c->tags & tagset[seltags];
-}
-
 void
 keypress(XEvent *e) {
 	uint i;
@@ -932,7 +916,8 @@ manage(Window w, XWindowAttributes *wa) {
 	Window trans;
 	XWindowChanges wc;
 
-	c = emallocz(sizeof(Client));
+	if(!(c = calloc(1, sizeof(Client))))
+		eprint("fatal: could not calloc() %u bytes\n", sizeof(Client));
 	c->win = w;
 
 	/* geometry */
@@ -1053,7 +1038,7 @@ movemouse(Client *c) {
 
 Client *
 nexttiled(Client *c) {
-	for(; c && (c->isfloating || !isvisible(c)); c = c->next);
+	for(; c && (c->isfloating || !VISIBLE(c)); c = c->next);
 	return c;
 }
 
@@ -1217,7 +1202,7 @@ restack(void) {
 		wc.stack_mode = Below;
 		wc.sibling = barwin;
 		for(c = stack; c; c = c->snext)
-			if(!c->isfloating && isvisible(c)) {
+			if(!c->isfloating && VISIBLE(c)) {
 				XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
 				wc.sibling = c->win;
 			}
@@ -1548,14 +1533,6 @@ togglelayout(const void *arg) {
 
 void
 toggletag(const void *arg) {
-	int i, m = *(int *)arg;
-	for(i = 0; i < sizeof(int) * 8; i++)
-		fputc(m & 1 << i ? '1' : '0', stdout);
-	puts("");
-	for(i = 0; i < sizeof(int) * 8; i++)
-		fputc(TAGMASK & 1 << i ? '1' : '0', stdout);
-	puts("aaa");
-
 	if(sel && (sel->tags ^ ((*(int *)arg) & TAGMASK))) {
 		sel->tags ^= (*(int *)arg) & TAGMASK;
 		arrange();