X-Git-Url: https://jasonwoof.com/gitweb/?p=dwm.git;a=blobdiff_plain;f=dwm.c;h=bded0c5def4e8650b3f99468db1bdc726a391c44;hp=4ed5760f4bb75946adc3822817e3ab6a70a11c46;hb=ea8a4ca46a9577997e0a3f30e211c644477c6a00;hpb=30410108eb7e9e8b977d448f611659d58b2a6992

diff --git a/dwm.c b/dwm.c
index 4ed5760..bded0c5 100644
--- a/dwm.c
+++ b/dwm.c
@@ -53,7 +53,8 @@
 #define MIN(a, b)               ((a) < (b) ? (a) : (b))
 #define MAXTAGLEN               16
 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
-#define NOBORDER(x)             ((x) - 2 * c->bw)
+#define WIDTH(x)                ((x)->w + 2 * (x)->bw)
+#define HEIGHT(x)               ((x)->h + 2 * (x)->bw)
 #define TAGMASK                 ((int)((1LL << LENGTH(tags)) - 1))
 #define TEXTW(x)                (textnw(x, strlen(x)) + dc.font.height)
 
@@ -180,6 +181,7 @@ static void setclientstate(Client *c, long state);
 static void setlayout(const Arg *arg);
 static void setmfact(const Arg *arg);
 static void setup(void);
+static void showhide(Client *c);
 static void spawn(const Arg *arg);
 static void tag(const Arg *arg);
 static int textnw(const char *text, unsigned int len);
@@ -271,18 +273,7 @@ applyrules(Client *c) {
 
 void
 arrange(void) {
-	Client *c;
-
-	for(c = clients; c; c = c->next)
-		if(ISVISIBLE(c)) {
-			XMoveWindow(dpy, c->win, c->x, c->y);
-			if(!lt[sellt]->arrange || c->isfloating)
-				resize(c, c->x, c->y, c->w, c->h, True);
-		}
-		else {
-			XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
-		}
-
+	showhide(stack);
 	focus(NULL);
 	if(lt[sellt]->arrange)
 		lt[sellt]->arrange();
@@ -337,15 +328,14 @@ buttonpress(XEvent *e) {
 void
 checkotherwm(void) {
 	otherwm = False;
-	XSetErrorHandler(xerrorstart);
+	xerrorxlib = XSetErrorHandler(xerrorstart);
 
 	/* this causes an error if some other window manager is running */
 	XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask);
 	XSync(dpy, False);
 	if(otherwm)
 		die("dwm: another window manager is already running\n");
-	XSetErrorHandler(NULL);
-	xerrorxlib = XSetErrorHandler(xerror);
+	XSetErrorHandler(xerror);
 	XSync(dpy, False);
 }
 
@@ -857,12 +847,14 @@ killclient(const Arg *arg) {
 
 void
 manage(Window w, XWindowAttributes *wa) {
+	static Client cz;
 	Client *c, *t = NULL;
 	Window trans = None;
 	XWindowChanges wc;
 
-	if(!(c = calloc(1, sizeof(Client))))
-		die("fatal: could not calloc() %u bytes\n", sizeof(Client));
+	if(!(c = malloc(sizeof(Client))))
+		die("fatal: could not malloc() %u bytes\n", sizeof(Client));
+	*c = cz;
 	c->win = w;
 
 	/* geometry */
@@ -877,10 +869,10 @@ manage(Window w, XWindowAttributes *wa) {
 		c->bw = 0;
 	}
 	else {
-		if(c->x + c->w + 2 * c->bw > sx + sw)
-			c->x = sx + sw - NOBORDER(c->w);
-		if(c->y + c->h + 2 * c->bw > sy + sh)
-			c->y = sy + sh - NOBORDER(c->h);
+		if(c->x + WIDTH(c) > sx + sw)
+			c->x = sx + sw - WIDTH(c);
+		if(c->y + HEIGHT(c) > sy + sh)
+			c->y = sy + sh - HEIGHT(c);
 		c->x = MAX(c->x, sx);
 		/* only fix client y-offset, if the client center might cover the bar */
 		c->y = MAX(c->y, ((by == 0) && (c->x + (c->w / 2) >= wx) && (c->x + (c->w / 2) < wx + ww)) ? bh : sy);
@@ -940,7 +932,7 @@ monocle(void) {
 	Client *c;
 
 	for(c = nexttiled(clients); c; c = nexttiled(c->next))
-		resize(c, wx, wy, NOBORDER(ww), NOBORDER(wh), resizehints);
+		resize(c, wx, wy, ww - 2 * c->bw, wh - 2 * c->bw, resizehints);
 }
 
 void
@@ -960,6 +952,8 @@ movemouse(const Arg *arg) {
 	None, cursor[CurMove], CurrentTime) != GrabSuccess)
 		return;
 	XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui);
+	if(usegrab)
+		XGrabServer(dpy);
 	do {
 		XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
 		switch (ev.type) {
@@ -969,19 +963,18 @@ movemouse(const Arg *arg) {
 			handler[ev.type](&ev);
 			break;
 		case MotionNotify:
-			XSync(dpy, False);
 			nx = ocx + (ev.xmotion.x - x);
 			ny = ocy + (ev.xmotion.y - y);
 			if(snap && nx >= wx && nx <= wx + ww
 			        && ny >= wy && ny <= wy + wh) {
 				if(abs(wx - nx) < snap)
 					nx = wx;
-				else if(abs((wx + ww) - (nx + c->w + 2 * c->bw)) < snap)
-					nx = wx + ww - NOBORDER(c->w);
+				else if(abs((wx + ww) - (nx + WIDTH(c))) < snap)
+					nx = wx + ww - WIDTH(c);
 				if(abs(wy - ny) < snap)
 					ny = wy;
-				else if(abs((wy + wh) - (ny + c->h + 2 * c->bw)) < snap)
-					ny = wy + wh - NOBORDER(c->h);
+				else if(abs((wy + wh) - (ny + HEIGHT(c))) < snap)
+					ny = wy + wh - HEIGHT(c);
 				if(!c->isfloating && lt[sellt]->arrange && (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
 					togglefloating(NULL);
 			}
@@ -991,6 +984,8 @@ movemouse(const Arg *arg) {
 		}
 	}
 	while(ev.type != ButtonRelease);
+	if(usegrab)
+		XUngrabServer(dpy);
 	XUngrabPointer(dpy, CurrentTime);
 }
 
@@ -1089,9 +1084,9 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
 	if(w <= 0 || h <= 0)
 		return;
 	if(x > sx + sw)
-		x = sw - NOBORDER(w);
+		x = sw - WIDTH(c);
 	if(y > sy + sh)
-		y = sh - NOBORDER(h);
+		y = sh - HEIGHT(c);
 	if(x + w + 2 * c->bw < sx)
 		x = sx;
 	if(y + h + 2 * c->bw < sy)
@@ -1129,6 +1124,8 @@ resizemouse(const Arg *arg) {
 	None, cursor[CurResize], CurrentTime) != GrabSuccess)
 		return;
 	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
+	if(usegrab)
+		XGrabServer(dpy);
 	do {
 		XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
 		switch(ev.type) {
@@ -1138,9 +1135,8 @@ resizemouse(const Arg *arg) {
 			handler[ev.type](&ev);
 			break;
 		case MotionNotify:
-			XSync(dpy, False);
-			nw = MAX(ev.xmotion.x - NOBORDER(ocx) + 1, 1);
-			nh = MAX(ev.xmotion.y - NOBORDER(ocy) + 1, 1);
+			nw = MAX(ev.xmotion.x - ocx - 2*c->bw + 1, 1);
+			nh = MAX(ev.xmotion.y - ocy - 2*c->bw + 1, 1);
 
 			if(snap && nw >= wx && nw <= wx + ww
 			        && nh >= wy && nh <= wy + wh) {
@@ -1154,6 +1150,8 @@ resizemouse(const Arg *arg) {
 		}
 	}
 	while(ev.type != ButtonRelease);
+	if(usegrab)
+		XUngrabServer(dpy);
 	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
 	XUngrabPointer(dpy, CurrentTime);
 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
@@ -1378,6 +1376,22 @@ setup(void) {
 }
 
 void
+showhide(Client *c) {
+	if(!c)
+		return;
+	if(ISVISIBLE(c)) { /* show clients top down */
+		XMoveWindow(dpy, c->win, c->x, c->y);
+		if(!lt[sellt]->arrange || c->isfloating)
+			resize(c, c->x, c->y, c->w, c->h, True);
+		showhide(c->snext);
+	}
+	else { /* hide clients bottom up */
+		showhide(c->snext);
+		XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+	}
+}
+
+void
 spawn(const Arg *arg) {
 	/* The double-fork construct avoids zombie processes and keeps the code
 	 * clean from stupid signal handlers. */
@@ -1427,7 +1441,7 @@ tile(void) {
 	/* master */
 	c = nexttiled(clients);
 	mw = mfact * ww;
-	resize(c, wx, wy, NOBORDER(n == 1 ? ww : mw), NOBORDER(wh), resizehints);
+	resize(c, wx, wy, (n == 1 ? ww : mw) - 2 * c->bw, wh - 2 * c->bw, resizehints);
 
 	if(--n == 0)
 		return;
@@ -1441,10 +1455,16 @@ tile(void) {
 		h = wh;
 
 	for(i = 0, c = nexttiled(c->next); c; c = nexttiled(c->next), i++) {
-		resize(c, x, y, NOBORDER(w), /* remainder */ ((i + 1 == n)
-		       ? NOBORDER(wy + wh) - y : h), resizehints);
+		if(i + 1 == n) { /* remainder */
+			if(wy + wh - y < bh)
+				resize(c, x, y, w - 2 * c->bw, wy + wh - y - 2 * c->bw, False);
+			else
+				resize(c, x, y, w - 2 * c->bw, wy + wh - y - 2 * c->bw, resizehints);
+		}
+		else
+			resize(c, x, y, w - 2 * c->bw, h - 2 * c->bw, resizehints);
 		if(h != wh)
-			y = c->y + c->h + 2 * c->bw;
+			y = c->y + HEIGHT(c);
 	}
 }
 
@@ -1585,7 +1605,9 @@ updatesizehints(Client *c) {
 	long msize;
 	XSizeHints size;
 
-	XGetWMNormalHints(dpy, c->win, &size, &msize);
+	if(!XGetWMNormalHints(dpy, c->win, &size, &msize))
+		/* size is uninitialized, ensure that size.flags aren't used */
+		size.flags = PSize; 
 	if(size.flags & PBaseSize) {
 		c->basew = size.base_width;
 		c->baseh = size.base_height;
@@ -1625,7 +1647,7 @@ updatesizehints(Client *c) {
 	else
 		c->maxa = c->mina = 0.0;
 	c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
-			&& c->maxw == c->minw && c->maxh == c->minh);
+	             && c->maxw == c->minw && c->maxh == c->minh);
 }
 
 void