X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=dwm.c;h=56ca615bbcc53594c7992c79b660132ddd83c3fa;hb=5602f44b29b5c9a9b66b012b34f5749929c5cd31;hp=c1749941faf2df7d110804a3c76cadb0dcfee2e7;hpb=5fa559dbfc6238a911c210ae4124586c6886df23;p=dwm.git

diff --git a/dwm.c b/dwm.c
index c174994..56ca615 100644
--- a/dwm.c
+++ b/dwm.c
@@ -41,6 +41,8 @@
 #include <X11/Xutil.h>
 
 /* macros */
+#define MAX(a, b) ((a)>(b)?(a):(b))
+#define MIN(a, b) ((a)<(b)?(a):(b))
 #define BUTTONMASK		(ButtonPressMask|ButtonReleaseMask)
 #define CLEANMASK(mask)		(mask & ~(numlockmask|LockMask))
 #define LENGTH(x)		(sizeof x / sizeof x[0])
@@ -66,6 +68,7 @@ typedef struct Client Client;
 struct Client {
 	char name[256];
 	int x, y, w, h;
+	int fx, fy, fw, fh;
 	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
 	int minax, maxax, minay, maxay;
 	long flags;
@@ -109,7 +112,7 @@ typedef struct {
 	const char *symbol;
 	void (*arrange)(void);
 	Bool isfloating;
-} Layout; 
+} Layout;
 
 typedef struct {
 	const char *class;
@@ -142,7 +145,6 @@ void *emallocz(unsigned int size);
 void enternotify(XEvent *e);
 void eprint(const char *errstr, ...);
 void expose(XEvent *e);
-void floating(void); /* default floating layout */
 void focus(Client *c);
 void focusin(XEvent *e);
 void focusnext(const char *arg);
@@ -158,7 +160,7 @@ void initfont(const char *fontstr);
 Bool isoccupied(unsigned int t);
 Bool isprotodel(Client *c);
 Bool isurgent(unsigned int t);
-Bool isvisible(Client *c);
+Bool isvisible(Client *c, Bool *cmp);
 void keypress(XEvent *e);
 void killclient(const char *arg);
 void manage(Window w, XWindowAttributes *wa);
@@ -208,10 +210,11 @@ int xerrorstart(Display *dpy, XErrorEvent *ee);
 void zoom(const char *arg);
 
 /* variables */
-char stext[256], buf[256];
+char stext[256];
 int screen, sx, sy, sw, sh;
 int (*xerrorxlib)(Display *, XErrorEvent *);
 int bx, by, bw, bh, blw, bgw, mx, my, mw, mh, mox, moy, mow, moh, tx, ty, tw, th, wx, wy, ww, wh;
+int seltags = 0;
 double mfact;
 unsigned int numlockmask = 0;
 void (*handler[LASTEvent]) (XEvent *) = {
@@ -231,22 +234,22 @@ void (*handler[LASTEvent]) (XEvent *) = {
 Atom wmatom[WMLast], netatom[NetLast];
 Bool otherwm, readin;
 Bool running = True;
-Bool *prevtags;
-Bool *seltags;
+Bool *tagset[2];
 Client *clients = NULL;
 Client *sel = NULL;
 Client *stack = NULL;
 Cursor cursor[CurLast];
 Display *dpy;
 DC dc = {0};
+Geom geoms[];
+Geom *geom = geoms;
+Layout layouts[];
+Layout *lt = layouts;
 Window root, barwin;
 
 /* configuration, allows nested code to access above variables */
 #include "config.h"
 #define TAGSZ (LENGTH(tags) * sizeof(Bool))
-Bool tmp[LENGTH(tags)];
-Layout *lt = layouts;
-Geom *geom = geoms;
 
 /* function implementations */
 
@@ -276,7 +279,7 @@ applyrules(Client *c) {
 	if(ch.res_name)
 		XFree(ch.res_name);
 	if(!matched)
-		memcpy(c->tags, seltags, TAGSZ);
+		memcpy(c->tags, tagset[seltags], TAGSZ);
 }
 
 void
@@ -284,13 +287,17 @@ arrange(void) {
 	Client *c;
 
 	for(c = clients; c; c = c->next)
-		if(isvisible(c))
+		if(isvisible(c, NULL)) {
 			unban(c);
+			if(lt->isfloating || c->isfloating)
+				resize(c, c->fx, c->fy, c->fw, c->fh, True);
+		}
 		else
 			ban(c);
 
 	focus(NULL);
-	lt->arrange();
+	if(lt->arrange)
+		lt->arrange();
 	restack();
 }
 
@@ -358,7 +365,7 @@ buttonpress(XEvent *e) {
 			movemouse(c);
 		}
 		else if(ev->button == Button2) {
-			if((floating != lt->arrange) && c->isfloating)
+			if(!lt->isfloating && c->isfloating)
 				togglefloating(NULL);
 			else
 				zoom(NULL);
@@ -462,7 +469,7 @@ configurerequest(XEvent *e) {
 			if((ev->value_mask & (CWX|CWY))
 			&& !(ev->value_mask & (CWWidth|CWHeight)))
 				configure(c);
-			if(isvisible(c))
+			if(isvisible(c, NULL))
 				XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
 		}
 		else
@@ -529,10 +536,10 @@ drawbar(void) {
 		drawtext(geom->symbol, dc.norm, False);
 		dc.x += bgw;
 	}
-	for(c = stack; c && !isvisible(c); c = c->snext);
+	for(c = stack; c && !isvisible(c, NULL); c = c->snext);
 	for(i = 0; i < LENGTH(tags); i++) {
 		dc.w = textw(tags[i]);
-		if(seltags[i]) {
+		if(tagset[seltags][i]) {
 			drawtext(tags[i], dc.sel, isurgent(i));
 			drawsquare(c && c->tags[i], isoccupied(i), isurgent(i), dc.sel);
 		}
@@ -595,23 +602,23 @@ drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
 	int x, y, w, h;
 	unsigned int len, olen;
 	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
+	char buf[256];
 
 	XSetForeground(dpy, dc.gc, col[invert ? ColFG : ColBG]);
 	XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
 	if(!text)
 		return;
-	w = 0;
-	olen = len = strlen(text);
-	if(len >= sizeof buf)
-		len = sizeof buf - 1;
+	olen = strlen(text);
+	len = MIN(olen, sizeof buf);
 	memcpy(buf, text, len);
-	buf[len] = 0;
+	w = 0;
 	h = dc.font.ascent + dc.font.descent;
 	y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
 	x = dc.x + (h / 2);
 	/* shorten text if necessary */
-	while(len && (w = textnw(buf, len)) > dc.w - h)
-		buf[--len] = 0;
+	for(; len && (w = textnw(buf, len)) > dc.w - h; len--);
+	if (!len)
+		return;
 	if(len < olen) {
 		if(len > 1)
 			buf[len - 1] = '.';
@@ -620,8 +627,6 @@ drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
 		if(len > 3)
 			buf[len - 3] = '.';
 	}
-	if(w > dc.w)
-		return; /* too long */
 	XSetForeground(dpy, dc.gc, col[invert ? ColBG : ColFG]);
 	if(dc.font.set)
 		XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
@@ -670,18 +675,9 @@ expose(XEvent *e) {
 }
 
 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);
-}
-
-void
 focus(Client *c) {
-	if(!c || (c && !isvisible(c)))
-		for(c = stack; c && !isvisible(c); c = c->snext);
+	if(!c || (c && !isvisible(c, NULL)))
+		for(c = stack; c && !isvisible(c, NULL); c = c->snext);
 	if(sel && sel != c) {
 		grabbuttons(sel, False);
 		XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
@@ -715,9 +711,9 @@ focusnext(const char *arg) {
 
 	if(!sel)
 		return;
-	for(c = sel->next; c && !isvisible(c); c = c->next);
+	for(c = sel->next; c && !isvisible(c, arg ? sel->tags : NULL); c = c->next);
 	if(!c)
-		for(c = clients; c && !isvisible(c); c = c->next);
+		for(c = clients; c && !isvisible(c, arg ? sel->tags : NULL); c = c->next);
 	if(c) {
 		focus(c);
 		restack();
@@ -730,10 +726,10 @@ focusprev(const char *arg) {
 
 	if(!sel)
 		return;
-	for(c = sel->prev; c && !isvisible(c); c = c->prev);
+	for(c = sel->prev; c && !isvisible(c, arg ? sel->tags : NULL); c = c->prev);
 	if(!c) {
 		for(c = clients; c && c->next; c = c->next);
-		for(; c && !isvisible(c); c = c->prev);
+		for(; c && !isvisible(c, arg ? sel->tags : NULL); c = c->prev);
 	}
 	if(c) {
 		focus(c);
@@ -880,10 +876,8 @@ initfont(const char *fontstr) {
 		font_extents = XExtentsOfFontSet(dc.font.set);
 		n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
 		for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
-			if(dc.font.ascent < (*xfonts)->ascent)
-				dc.font.ascent = (*xfonts)->ascent;
-			if(dc.font.descent < (*xfonts)->descent)
-				dc.font.descent = (*xfonts)->descent;
+			dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
+			dc.font.descent = MAX(dc.font.descent,(*xfonts)->descent);
 			xfonts++;
 		}
 	}
@@ -936,11 +930,13 @@ isurgent(unsigned int t) {
 }
 
 Bool
-isvisible(Client *c) {
+isvisible(Client *c, Bool *cmp) {
 	unsigned int i;
 
+	if(!cmp)
+		cmp = tagset[seltags];
 	for(i = 0; i < LENGTH(tags); i++)
-		if(c->tags[i] && seltags[i])
+		if(c->tags[i] && cmp[i])
 			return True;
 	return False;
 }
@@ -995,8 +991,8 @@ manage(Window w, XWindowAttributes *wa) {
 	/* geometry */
 	c->x = wa->x;
 	c->y = wa->y;
-	c->w = wa->width;
-	c->h = wa->height;
+	c->w = c->fw = wa->width;
+	c->h = c->fh = wa->height;
 	c->oldbw = wa->border_width;
 	if(c->w == sw && c->h == sh) {
 		c->x = sx;
@@ -1008,12 +1004,12 @@ manage(Window w, XWindowAttributes *wa) {
 			c->x = wx + ww - c->w - 2 * c->bw;
 		if(c->y + c->h + 2 * c->bw > wy + wh)
 			c->y = wy + wh - c->h - 2 * c->bw;
-		if(c->x < wx)
-			c->x = wx;
-		if(c->y < wy)
-			c->y = wy;
+		c->x = MAX(c->x, wx);
+		c->y = MAX(c->y, wy);
 		c->bw = BORDERPX;
 	}
+	c->fx = c->x;
+	c->fy = c->y;
 
 	wc.border_width = c->bw;
 	XConfigureWindow(dpy, w, CWBorderWidth, &wc);
@@ -1067,7 +1063,7 @@ monocle(void) {
 	Client *c;
 
 	for(c = clients; c; c = c->next)
-		if((lt->isfloating || !c->isfloating) &&  isvisible(c))
+		if((lt->isfloating || !c->isfloating) &&  isvisible(c, NULL))
 			resize(c, mox, moy, mow - 2 * c->bw, moh - 2 * c->bw, RESIZEHINTS);
 }
 
@@ -1109,8 +1105,11 @@ movemouse(Client *c) {
 				ny = wy + wh - c->h - 2 * c->bw;
 			if(!c->isfloating && !lt->isfloating && (abs(nx - c->x) > SNAP || abs(ny - c->y) > SNAP))
 				togglefloating(NULL);
-			if((lt->isfloating) || c->isfloating)
+			if(lt->isfloating || c->isfloating) {
+				c->fx = nx;
+				c->fy = ny;
 				resize(c, nx, ny, c->w, c->h, False);
+			}
 			break;
 		}
 	}
@@ -1118,7 +1117,7 @@ movemouse(Client *c) {
 
 Client *
 nexttiled(Client *c) {
-	for(; c && (c->isfloating || !isvisible(c)); c = c->next);
+	for(; c && (c->isfloating || !isvisible(c, NULL)); c = c->next);
 	return c;
 }
 
@@ -1161,11 +1160,10 @@ quit(const char *arg) {
 
 void
 reapply(const char *arg) {
-	static Bool zerotags[LENGTH(tags)] = { 0 };
 	Client *c;
 
 	for(c = clients; c; c = c->next) {
-		memcpy(c->tags, zerotags, sizeof zerotags);
+		memset(c->tags, 0, TAGSZ);
 		applyrules(c);
 	}
 	arrange();
@@ -1177,10 +1175,8 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
 
 	if(sizehints) {
 		/* set minimum possible */
-		if(w < 1)
-			w = 1;
-		if(h < 1)
-			h = 1;
+		w = MAX(1, w);
+		h = MAX(1, h);
 
 		/* temporarily remove base dimensions */
 		w -= c->basew;
@@ -1206,14 +1202,14 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
 		w += c->basew;
 		h += c->baseh;
 
-		if(c->minw > 0 && w < c->minw)
-			w = c->minw;
-		if(c->minh > 0 && h < c->minh)
-			h = c->minh;
-		if(c->maxw > 0 && w > c->maxw)
-			w = c->maxw;
-		if(c->maxh > 0 && h > c->maxh)
-			h = c->maxh;
+		w = MAX(w, c->minw);
+		h = MAX(h, c->minh);
+		
+		if (c->maxw)
+			w = MIN(w, c->maxw);
+
+		if (c->maxh)
+			h = MIN(h, c->maxh);
 	}
 	if(w <= 0 || h <= 0)
 		return;
@@ -1266,14 +1262,18 @@ resizemouse(Client *c) {
 			break;
 		case MotionNotify:
 			XSync(dpy, False);
-			if((nw = ev.xmotion.x - ocx - 2 * c->bw + 1) <= 0)
-				nw = 1;
-			if((nh = ev.xmotion.y - ocy - 2 * c->bw + 1) <= 0)
-				nh = 1;
-			if(!c->isfloating && !lt->isfloating && (abs(nw - c->w) > SNAP || abs(nh - c->h) > SNAP))
+			nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
+			nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
+			if(!c->isfloating && !lt->isfloating && (abs(nw - c->w) > SNAP || abs(nh - c->h) > SNAP)) {
+				c->fx = c->x;
+				c->fy = c->y;
 				togglefloating(NULL);
-			if((lt->isfloating) || c->isfloating)
+			}
+			if((lt->isfloating) || c->isfloating) {
 				resize(c, c->x, c->y, nw, nh, True);
+				c->fw = nw;
+				c->fh = nh;
+			}
 			break;
 		}
 	}
@@ -1293,16 +1293,11 @@ restack(void) {
 	if(!lt->isfloating) {
 		wc.stack_mode = Below;
 		wc.sibling = barwin;
-		if(!sel->isfloating) {
-			XConfigureWindow(dpy, sel->win, CWSibling|CWStackMode, &wc);
-			wc.sibling = sel->win;
-		}
-		for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
-			if(c == sel)
-				continue;
-			XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
-			wc.sibling = c->win;
-		}
+		for(c = stack; c; c = c->snext)
+			if(!c->isfloating && isvisible(c, NULL)) {
+				XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
+				wc.sibling = c->win;
+			}
 	}
 	XSync(dpy, False);
 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
@@ -1513,20 +1508,18 @@ setup(void) {
 		XSetFont(dpy, dc.gc, dc.font.xfont->fid);
 
 	/* init tags */
-	seltags = emallocz(TAGSZ);
-	prevtags = emallocz(TAGSZ);
-	seltags[0] = prevtags[0] = True;
+	tagset[0] = emallocz(TAGSZ);
+	tagset[1] = emallocz(TAGSZ);
+	tagset[0][0] = tagset[1][0] = True;
 
 	/* init bar */
 	for(blw = i = 0; LENGTH(layouts) > 1 && i < LENGTH(layouts); i++) {
 		w = textw(layouts[i].symbol);
-		if(w > blw)
-			blw = w;
+		blw = MAX(blw, w);
 	}
 	for(bgw = i = 0; LENGTH(geoms) > 1 && i < LENGTH(geoms); i++) {
 		w = textw(geoms[i].symbol);
-		if(w > bgw)
-			bgw = w;
+		bgw = MAX(bgw, w);
 	}
 
 	wa.override_redirect = 1;
@@ -1710,10 +1703,10 @@ toggleview(const char *arg) {
 	unsigned int i, j;
 
 	i = idxoftag(arg);
-	seltags[i] = !seltags[i];
-	for(j = 0; j < LENGTH(tags) && !seltags[j]; j++);
+	tagset[seltags][i] = !tagset[seltags][i];
+	for(j = 0; j < LENGTH(tags) && !tagset[seltags][j]; j++);
 	if(j == LENGTH(tags))
-		seltags[i] = True; /* at least one tag must be viewed */
+		tagset[seltags][i] = True; /* at least one tag must be viewed */
 	arrange();
 }
 
@@ -1837,28 +1830,17 @@ updatewmhints(Client *c) {
 	}
 }
 
-
 void
 view(const char *arg) {
-	unsigned int i;
-
-	for(i = 0; i < LENGTH(tags); i++)
-		tmp[i] = (NULL == arg);
-	tmp[idxoftag(arg)] = True;
-
-	if(memcmp(seltags, tmp, TAGSZ) != 0) {
-		memcpy(prevtags, seltags, TAGSZ);
-		memcpy(seltags, tmp, TAGSZ);
-		arrange();
-	}
+	seltags ^= 1;
+	memset(tagset[seltags], (NULL == arg), TAGSZ);
+	tagset[seltags][idxoftag(arg)] = True;
+	arrange();
 }
 
 void
 viewprevtag(const char *arg) {
-
-	memcpy(tmp, seltags, TAGSZ);
-	memcpy(seltags, prevtags, TAGSZ);
-	memcpy(prevtags, tmp, TAGSZ);
+	seltags ^= 1; /* toggle sel tagset */
 	arrange();
 }
 
@@ -1873,6 +1855,7 @@ xerror(Display *dpy, XErrorEvent *ee) {
 	|| (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
 	|| (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
 	|| (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
+	|| (ee->request_code == X_GrabButton && ee->error_code == BadAccess)
 	|| (ee->request_code == X_GrabKey && ee->error_code == BadAccess)
 	|| (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
 		return 0;
@@ -1898,14 +1881,14 @@ void
 zoom(const char *arg) {
 	Client *c = sel;
 
-	if(!sel || lt->isfloating || sel->isfloating)
-		return;
 	if(c == nexttiled(clients))
-		if(!(c = nexttiled(c->next)))
+		if(!c || !(c = nexttiled(c->next)))
 			return;
-	detach(c);
-	attach(c);
-	focus(c);
+	if(!lt->isfloating && !sel->isfloating) {
+		detach(c);
+		attach(c);
+		focus(c);
+	}
 	arrange();
 }