X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/5cd65f8cd85928a0f26c80a209c82781cb342365..a6d23fb61c26126685ed8e19a7cb94189bbbd566:/dwm.c?ds=sidebyside

diff --git a/dwm.c b/dwm.c
index 4153f41..a13f07b 100644
--- a/dwm.c
+++ b/dwm.c
@@ -53,14 +53,15 @@
 #define MOUSEMASK       (BUTTONMASK|PointerMotionMask)
 #define TAGMASK         ((int)((1LL << LENGTH(tags)) - 1))
 #define TEXTW(x)        (textnw(x, strlen(x)) + dc.font.height)
+#define ISVISIBLE(x)    (x->tags & tagset[seltags])
 
 /* enums */
 enum { CurNormal, CurResize, CurMove, CurLast };        /* cursor */
 enum { ColBorder, ColFG, ColBG, ColLast };              /* color */
 enum { NetSupported, NetWMName, NetLast };              /* EWMH atoms */
 enum { WMProtocols, WMDelete, WMName, WMState, WMLast };/* default atoms */
-enum { ClkLtSymbol = -1, ClkStatusText = -2, ClkWinTitle = -3,
-       ClkClientWin = -4, ClkRootWin = -5, ClkLast = -6};/* clicks */
+enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
+       ClkClientWin, ClkRootWin, ClkLast };             /* clicks */
 
 /* typedefs */
 typedef unsigned int uint;
@@ -84,15 +85,17 @@ typedef struct {
 typedef struct Client Client;
 struct Client {
 	char name[256];
+	float mina, maxa;
 	int x, y, w, h;
 	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
-	float mina, maxa;
 	int bw, oldbw;
-	Bool isbanned, isfixed, isfloating, ismoved, isurgent;
 	uint tags;
+	Bool isfixed, isfloating, isurgent;
 	Client *next;
 	Client *snext;
 	Window win;
+	void *aux;
+	void (*freeaux)(void *);
 };
 
 typedef struct {
@@ -168,6 +171,7 @@ static void killclient(const Arg *arg);
 static void manage(Window w, XWindowAttributes *wa);
 static void mappingnotify(XEvent *e);
 static void maprequest(XEvent *e);
+static void monocle(void);
 static void movemouse(const Arg *arg);
 static Client *nexttiled(Client *c);
 static void propertynotify(XEvent *e);
@@ -178,6 +182,7 @@ static void restack(void);
 static void run(void);
 static void scan(void);
 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 spawn(const Arg *arg);
@@ -186,8 +191,6 @@ static int textnw(const char *text, uint len);
 static void tile(void);
 static void togglebar(const Arg *arg);
 static void togglefloating(const Arg *arg);
-static void togglelayout(const Arg *arg);
-static void togglemax(const Arg *arg);
 static void toggletag(const Arg *arg);
 static void toggleview(const Arg *arg);
 static void unmanage(Client *c);
@@ -207,7 +210,7 @@ static void zoom(const Arg *arg);
 static char stext[256];
 static int screen, sx, sy, sw, sh;
 static int by, bh, blw, wx, wy, ww, wh;
-static uint seltags = 0;
+static uint seltags = 0, sellt = 0;
 static int (*xerrorxlib)(Display *, XErrorEvent *);
 static uint numlockmask = 0;
 static void (*handler[LASTEvent]) (XEvent *) = {
@@ -225,7 +228,6 @@ static void (*handler[LASTEvent]) (XEvent *) = {
 	[UnmapNotify] = unmapnotify
 };
 static Atom wmatom[WMLast], netatom[NetLast];
-static Bool ismax = False;
 static Bool otherwm, readin;
 static Bool running = True;
 static uint tagset[] = {1, 1}; /* after start, first tag is selected */
@@ -235,7 +237,7 @@ static Client *stack = NULL;
 static Cursor cursor[CurLast];
 static Display *dpy;
 static DC dc = {0};
-static Layout *lt = NULL;
+static Layout *lt[] = { NULL, NULL };
 static Window root, barwin;
 /* configuration, allows nested code to access above variables */
 #include "config.h"
@@ -274,23 +276,18 @@ arrange(void) {
 	Client *c;
 
 	for(c = clients; c; c = c->next)
-		if(c->tags & tagset[seltags]) { /* is visible */
-			if(ismax && !c->isfixed) {
-				XMoveResizeWindow(dpy, c->win, wx, wy, ww - 2 * c->bw, wh - 2 * c->bw);
-				c->ismoved = True;
-			}
-			else if(!lt->arrange || c->isfloating)
+		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);
-			c->isbanned = False;
 		}
-		else if(!c->isbanned) {
+		else {
 			XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
-			c->isbanned = c->ismoved = True;
 		}
 
 	focus(NULL);
-	if(lt->arrange && !ismax)
-		lt->arrange();
+	if(lt[sellt]->arrange)
+		lt[sellt]->arrange();
 	restack();
 }
 
@@ -309,30 +306,34 @@ attachstack(Client *c) {
 void
 buttonpress(XEvent *e) {
 	uint i, x, click;
+	Arg arg = {0};
 	Client *c;
 	XButtonPressedEvent *ev = &e->xbutton;
 
 	click = ClkRootWin;
 	if(ev->window == barwin) {
-		x = 0;
-		for(i = 0; i < LENGTH(tags) && ev->x >= x; i++) {
-			x += TEXTW(tags[i]);
-			if(i < LENGTH(tags) || ev->x <= x)
-				click = i - 1;
-			else if(ev->x < x + blw)
-				click = ClkLtSymbol;
-			else if(ev->x > wx + ww - TEXTW(stext))
-				click = ClkStatusText;
-			else
-				click = ClkWinTitle;
+		i = x = 0;
+		do x += TEXTW(tags[i]); while(ev->x >= x && ++i < LENGTH(tags));
+		if(i < LENGTH(tags)) {
+			click = ClkTagBar;
+			arg.ui = 1 << i;
 		}
+		else if(ev->x < x + blw)
+			click = ClkLtSymbol;
+		else if(ev->x > wx + ww - TEXTW(stext))
+			click = ClkStatusText;
+		else
+			click = ClkWinTitle;
 	}
-	else if((c = getclient(ev->window)))
+	else if((c = getclient(ev->window))) {
+		focus(c);
 		click = ClkClientWin;
+	}
 
 	for(i = 0; i < LENGTH(buttons); i++)
-		if(click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
-			buttons[i].func(&buttons[i].arg);
+		if(click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button
+		   && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
+			buttons[i].func(click == ClkTagBar ? &arg : &buttons[i].arg);
 }
 
 void
@@ -357,7 +358,7 @@ cleanup(void) {
 
 	close(STDIN_FILENO);
 	view(&a);
-	lt = &foo;
+	lt[sellt] = &foo;
 	while(stack)
 		unmanage(stack);
 	if(dc.font.set)
@@ -415,9 +416,7 @@ configurerequest(XEvent *e) {
 	if((c = getclient(ev->window))) {
 		if(ev->value_mask & CWBorderWidth)
 			c->bw = ev->border_width;
-		if(ismax && !c->isbanned && !c->isfixed)
-			XMoveResizeWindow(dpy, c->win, wx, wy, ww - 2 * c->bw, wh + 2 * c->bw);
-		else if(c->isfloating || !lt->arrange) {
+		else if(c->isfloating || !lt[sellt]->arrange) {
 			if(ev->value_mask & CWX)
 				c->x = sx + ev->x;
 			if(ev->value_mask & CWY)
@@ -430,10 +429,9 @@ configurerequest(XEvent *e) {
 				c->x = sx + (sw / 2 - c->w / 2); /* center in x direction */
 			if((c->y - sy + c->h) > sh && c->isfloating)
 				c->y = sy + (sh / 2 - c->h / 2); /* center in y direction */
-			if((ev->value_mask & (CWX|CWY))
-			&& !(ev->value_mask & (CWWidth|CWHeight)))
+			if((ev->value_mask & (CWX|CWY)) && !(ev->value_mask & (CWWidth|CWHeight)))
 				configure(c);
-			if(!c->isbanned)
+			if(ISVISIBLE(c))
 				XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
 		}
 		else
@@ -486,25 +484,23 @@ detachstack(Client *c) {
 void
 drawbar(void) {
 	int i, x;
-	Client *c;
 
 	dc.x = 0;
-	for(c = stack; c && c->isbanned; c = c->snext);
 	for(i = 0; i < LENGTH(tags); i++) {
 		dc.w = TEXTW(tags[i]);
 		if(tagset[seltags] & 1 << i) {
 			drawtext(tags[i], dc.sel, isurgent(i));
-			drawsquare(c && c->tags & 1 << i, isoccupied(i), isurgent(i), dc.sel);
+			drawsquare(sel && sel->tags & 1 << i, isoccupied(i), isurgent(i), dc.sel);
 		}
 		else {
 			drawtext(tags[i], dc.norm, isurgent(i));
-			drawsquare(c && c->tags & 1 << i, isoccupied(i), isurgent(i), dc.norm);
+			drawsquare(sel && sel->tags & 1 << i, isoccupied(i), isurgent(i), dc.norm);
 		}
 		dc.x += dc.w;
 	}
 	if(blw > 0) {
 		dc.w = blw;
-		drawtext(lt->symbol, dc.norm, ismax);
+		drawtext(lt[sellt]->symbol, dc.norm, False);
 		x = dc.x + dc.w;
 	}
 	else
@@ -518,9 +514,9 @@ drawbar(void) {
 	drawtext(stext, dc.norm, False);
 	if((dc.w = dc.x - x) > bh) {
 		dc.x = x;
-		if(c) {
-			drawtext(c->name, dc.sel, False);
-			drawsquare(c->isfixed, c->isfloating, False, dc.sel);
+		if(sel) {
+			drawtext(sel->name, dc.sel, False);
+			drawsquare(sel->isfixed, sel->isfloating, False, dc.sel);
 		}
 		else
 			drawtext(NULL, dc.norm, False);
@@ -612,8 +608,8 @@ expose(XEvent *e) {
 
 void
 focus(Client *c) {
-	if(!c || c->isbanned)
-		for(c = stack; c && c->isbanned; c = c->snext);
+	if(!c || !ISVISIBLE(c))
+		for(c = stack; c && !ISVISIBLE(c); c = c->snext);
 	if(sel && sel != c) {
 		grabbuttons(sel, False);
 		XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
@@ -646,17 +642,17 @@ focusstack(const Arg *arg) {
 	if(!sel)
 		return;
 	if (arg->i > 0) {
-		for(c = sel->next; c && c->isbanned; c = c->next);
+		for(c = sel->next; c && !ISVISIBLE(c); c = c->next);
 		if(!c)
-			for(c = clients; c && c->isbanned; c = c->next);
+			for(c = clients; c && !ISVISIBLE(c); c = c->next);
 	}
 	else {
 		for(i = clients; i != sel; i = i->next)
-			if (!i->isbanned)
+			if(ISVISIBLE(i))
 				c = i;
 		if(!c)
 			for(; i; i = i->next)
-				if (!i->isbanned)
+				if(ISVISIBLE(i))
 					c = i;
 	}
 	if(c) {
@@ -729,19 +725,18 @@ gettextprop(Window w, Atom atom, char *text, uint size) {
 
 void
 grabbuttons(Client *c, Bool focused) {
-	int i, j;
-	uint buttons[]   = { Button1, Button2, Button3 };
-	uint modifiers[] = { MODKEY, MODKEY|LockMask, MODKEY|numlockmask, MODKEY|numlockmask|LockMask };
+	uint i, j;
+	uint modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
 
 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
-	if(focused)
+	if(focused) {
 		for(i = 0; i < LENGTH(buttons); i++)
-			for(j = 0; j < LENGTH(modifiers); j++)
-				XGrabButton(dpy, buttons[i], modifiers[j], c->win, False,
-					BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
-	else
+			if(buttons[i].click == ClkClientWin)
+				for(j = 0; j < LENGTH(modifiers); j++)
+					XGrabButton(dpy, buttons[i].button, buttons[i].mask | modifiers[j], c->win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
+        } else
 		XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
-			BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
+		            BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
 }
 
 void
@@ -910,7 +905,8 @@ manage(Window w, XWindowAttributes *wa) {
 		if(c->y + c->h + 2 * c->bw > sy + sh)
 			c->y = sy + sh - c->h - 2 * c->bw;
 		c->x = MAX(c->x, sx);
-		c->y = MAX(c->y, by == 0 ? bh : sy);
+		/* 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);
 		c->bw = borderpx;
 	}
 
@@ -934,7 +930,7 @@ manage(Window w, XWindowAttributes *wa) {
 		XRaiseWindow(dpy, c->win);
 	attach(c);
 	attachstack(c);
-	XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); /* some windows require this */
+	XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
 	XMapWindow(dpy, c->win);
 	setclientstate(c, NormalState);
 	arrange();
@@ -962,6 +958,14 @@ maprequest(XEvent *e) {
 		manage(ev->window, &wa);
 }
 
+void
+monocle(void) {
+	Client *c;
+
+	for(c = nexttiled(clients); c; c = nexttiled(c->next))
+		resize(c, wx, wy, ww - 2 * c->bw, wh - 2 * c->bw, resizehints);
+}
+
 void
 movemouse(const Arg *arg) {
 	int x1, y1, ocx, ocy, di, nx, ny;
@@ -979,11 +983,6 @@ movemouse(const Arg *arg) {
 	None, cursor[CurMove], CurrentTime) != GrabSuccess)
 		return;
 	XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
-	if(x1 < c->x || x1 > c->x + c->w || y1 < c->y || y1 > c->y + c->h) {
-		XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, 0, 0);
-		x1 = c->x + 1;
-		y1 = c->y + 1;
-	}
 	for(;;) {
 		XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
 		switch (ev.type) {
@@ -1009,10 +1008,10 @@ movemouse(const Arg *arg) {
 					ny = wy;
 				else if(abs((wy + wh) - (ny + c->h + 2 * c->bw)) < snap)
 					ny = wy + wh - c->h - 2 * c->bw;
-				if(!c->isfloating && lt->arrange && (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
+				if(!c->isfloating && lt[sellt]->arrange && (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
 					togglefloating(NULL);
 			}
-			if(!lt->arrange || c->isfloating)
+			if(!lt[sellt]->arrange || c->isfloating)
 				resize(c, nx, ny, c->w, c->h, False);
 			break;
 		}
@@ -1021,7 +1020,7 @@ movemouse(const Arg *arg) {
 
 Client *
 nexttiled(Client *c) {
-	for(; c && (c->isfloating || c->isbanned); c = c->next);
+	for(; c && (c->isfloating || !ISVISIBLE(c)); c = c->next);
 	return c;
 }
 
@@ -1095,11 +1094,11 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
 
 		w = MAX(w, c->minw);
 		h = MAX(h, c->minh);
-		
-		if (c->maxw)
+
+		if(c->maxw)
 			w = MIN(w, c->maxw);
 
-		if (c->maxh)
+		if(c->maxh)
 			h = MIN(h, c->maxh);
 	}
 	if(w <= 0 || h <= 0)
@@ -1116,8 +1115,7 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
 		h = bh;
 	if(w < bh)
 		w = bh;
-	if(c->x != x || c->y != y || c->w != w || c->h != h || c->ismoved) {
-		c->ismoved = False;
+	if(c->x != x || c->y != y || c->w != w || c->h != h) {
 		c->x = wc.x = x;
 		c->y = wc.y = y;
 		c->w = wc.width = w;
@@ -1167,11 +1165,11 @@ resizemouse(const Arg *arg) {
 
 			if(snap && nw >= wx && nw <= wx + ww
 			        && nh >= wy && nh <= wy + wh) {
-				if(!c->isfloating && lt->arrange
+				if(!c->isfloating && lt[sellt]->arrange
 				   && (abs(nw - c->w) > snap || abs(nh - c->h) > snap))
 					togglefloating(NULL);
 			}
-			if(!lt->arrange || c->isfloating)
+			if(!lt[sellt]->arrange || c->isfloating)
 				resize(c, c->x, c->y, nw, nh, True);
 			break;
 		}
@@ -1187,13 +1185,13 @@ restack(void) {
 	drawbar();
 	if(!sel)
 		return;
-	if(ismax || sel->isfloating || !lt->arrange)
+	if(sel->isfloating || !lt[sellt]->arrange)
 		XRaiseWindow(dpy, sel->win);
-	if(!ismax && lt->arrange) {
+	if(lt[sellt]->arrange) {
 		wc.stack_mode = Below;
 		wc.sibling = barwin;
 		for(c = stack; c; c = c->snext)
-			if(!c->isfloating && !c->isbanned) {
+			if(!c->isfloating && ISVISIBLE(c)) {
 				XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
 				wc.sibling = c->win;
 			}
@@ -1297,12 +1295,24 @@ setclientstate(Client *c, long state) {
 			PropModeReplace, (unsigned char *)data, 2);
 }
 
+void
+setlayout(const Arg *arg) {
+	if(!arg || !arg->v || arg->v != lt[sellt])
+		sellt ^= 1;
+	if(arg && arg->v)
+		lt[sellt] = (Layout *)arg->v;
+	if(sel)
+		arrange();
+	else
+		drawbar();
+}
+
 /* arg > 1.0 will set mfact absolutly */
 void
 setmfact(const Arg *arg) {
 	float f;
 
-	if(!arg || !lt->arrange)
+	if(!arg || !lt[sellt]->arrange)
 		return;
 	f = arg->f < 1.0 ? arg->f + mfact : arg->f - 1.0;
 	if(f < 0.1 || f > 0.9)
@@ -1320,13 +1330,14 @@ setup(void) {
 	/* init screen */
 	screen = DefaultScreen(dpy);
 	root = RootWindow(dpy, screen);
-	initfont(FONT);
+	initfont(font);
 	sx = 0;
 	sy = 0;
 	sw = DisplayWidth(dpy, screen);
 	sh = DisplayHeight(dpy, screen);
-	bh = dc.font.height + 2;
-	lt = layouts;
+	bh = dc.h = dc.font.height + 2;
+	lt[0] = &layouts[0];
+	lt[1] = &layouts[1 % LENGTH(layouts)];
 	updategeom();
 
 	/* init atoms */
@@ -1343,14 +1354,12 @@ setup(void) {
 	cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
 
 	/* init appearance */
-	dc.norm[ColBorder] = getcolor(NORMBORDERCOLOR);
-	dc.norm[ColBG] = getcolor(NORMBGCOLOR);
-	dc.norm[ColFG] = getcolor(NORMFGCOLOR);
-	dc.sel[ColBorder] = getcolor(SELBORDERCOLOR);
-	dc.sel[ColBG] = getcolor(SELBGCOLOR);
-	dc.sel[ColFG] = getcolor(SELFGCOLOR);
-	initfont(FONT);
-	dc.h = bh;
+	dc.norm[ColBorder] = getcolor(normbordercolor);
+	dc.norm[ColBG] = getcolor(normbgcolor);
+	dc.norm[ColFG] = getcolor(normfgcolor);
+	dc.sel[ColBorder] = getcolor(selbordercolor);
+	dc.sel[ColBG] = getcolor(selbgcolor);
+	dc.sel[ColFG] = getcolor(selfgcolor);
 	dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(dpy, screen), bh, DefaultDepth(dpy, screen));
 	dc.gc = XCreateGC(dpy, root, 0, 0);
 	XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
@@ -1479,34 +1488,24 @@ togglefloating(const Arg *arg) {
 	arrange();
 }
 
-void
-togglelayout(const Arg *arg) {
-	if(arg && arg->v)
-		lt = (Layout *)arg->v;
-	else if(++lt == &layouts[LENGTH(layouts)])
-		lt = &layouts[0];
-	if(sel)
-		arrange();
-	else
-		drawbar();
-}
-
-void
-togglemax(const Arg *arg) {
-	ismax = !ismax;
-	arrange();
-}
-
 void
 toggletag(const Arg *arg) {
-	if(sel && (sel->tags ^= (arg->ui & TAGMASK)))
+	uint mask = sel->tags ^ (arg->ui & TAGMASK);
+
+	if(sel && mask) {
+		sel->tags = mask;
 		arrange();
+	}
 }
 
 void
 toggleview(const Arg *arg) {
-	if((tagset[seltags] ^= (arg->ui & TAGMASK)))
+	uint mask = tagset[seltags] ^ (arg->ui & TAGMASK);
+
+	if(mask) {
+		tagset[seltags] = mask;
 		arrange();
+	}
 }
 
 void
@@ -1522,6 +1521,8 @@ unmanage(Client *c) {
 	detachstack(c);
 	if(sel == c)
 		focus(NULL);
+	if(c->aux && c->freeaux)
+		c->freeaux(c->aux);
 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
 	setclientstate(c, WithdrawnState);
 	free(c);
@@ -1645,8 +1646,10 @@ updatewmhints(Client *c) {
 
 void
 view(const Arg *arg) {
+	if(arg && (arg->i & TAGMASK) == tagset[seltags])
+		return;
 	seltags ^= 1; /* toggle sel tagset */
-	if(arg && (arg->ui & TAGMASK) && (arg->ui & TAGMASK) != tagset[seltags ^ 1])
+	if(arg && (arg->ui & TAGMASK))
 		tagset[seltags] = arg->i & TAGMASK;
 	arrange();
 }
@@ -1688,7 +1691,7 @@ void
 zoom(const Arg *arg) {
 	Client *c = sel;
 
-	if(ismax || !lt->arrange || (sel && sel->isfloating))
+	if(!lt[sellt]->arrange || lt[sellt]->arrange == monocle || (sel && sel->isfloating))
 		return;
 	if(c == nexttiled(clients))
 		if(!c || !(c = nexttiled(c->next)))
@@ -1706,7 +1709,9 @@ main(int argc, char *argv[]) {
 	else if(argc != 1)
 		eprint("usage: dwm [-v]\n");
 
-	setlocale(LC_CTYPE, "");
+	if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
+		fprintf(stderr, "warning: no locale support\n");
+
 	if(!(dpy = XOpenDisplay(0)))
 		eprint("dwm: cannot open display\n");