about summary refs log tree commit diff stats
path: root/main.c
diff options
context:
space:
mode:
authorAnselm R. Garbe <arg@10kloc.org>2006-10-06 11:50:15 +0200
committerAnselm R. Garbe <arg@10kloc.org>2006-10-06 11:50:15 +0200
commit6651dd7fd9e8e95cfc6c472f1adfeff41735d798 (patch)
tree2ba87a8d0df487298c1507de1ec4b26867e0dd19 /main.c
parentacdea319162a5a51703a88ca7a8a1b17534be616 (diff)
downloaddwm-6651dd7fd9e8e95cfc6c472f1adfeff41735d798.tar.gz
code polishing, removed unnecessary newlines
Diffstat (limited to 'main.c')
-rw-r--r--main.c30
1 files changed, 9 insertions, 21 deletions
diff --git a/main.c b/main.c
index b627e51..1e58176 100644
--- a/main.c
+++ b/main.c
@@ -1,5 +1,4 @@
-/*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+/* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */
 
@@ -93,12 +92,11 @@ setup(void) {
 	netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
 	XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
 			PropModeReplace, (unsigned char *) netatom, NetLast);
-
 	/* init cursors */
 	cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
 	cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
 	cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
-
+	/* init modifier map */
 	modmap = XGetModifierMapping(dpy);
 	for (i = 0; i < 8; i++) {
 		for (j = 0; j < modmap->max_keypermod; j++) {
@@ -107,19 +105,16 @@ setup(void) {
 		}
 	}
 	XFree(modmap);
-
+	/* select for events */
 	wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
 		| EnterWindowMask | LeaveWindowMask;
 	wa.cursor = cursor[CurNormal];
 	XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
-
 	grabkeys();
 	initrregs();
-
 	for(ntags = 0; tags[ntags]; ntags++);
 	seltag = emallocz(sizeof(Bool) * ntags);
 	seltag[0] = True;
-
 	/* style */
 	dc.norm[ColBG] = getcolor(NORMBGCOLOR);
 	dc.norm[ColFG] = getcolor(NORMFGCOLOR);
@@ -128,13 +123,13 @@ setup(void) {
 	dc.status[ColBG] = getcolor(STATUSBGCOLOR);
 	dc.status[ColFG] = getcolor(STATUSFGCOLOR);
 	setfont(FONT);
- 
+	/* geometry */
 	bmw = textw(TILESYMBOL) > textw(FLOATSYMBOL) ?  textw(TILESYMBOL) : textw(FLOATSYMBOL);
 	sx = sy = 0;
 	sw = DisplayWidth(dpy, screen);
 	sh = DisplayHeight(dpy, screen);
 	master = MASTER;
-
+	/* bar */
 	bx = by = 0;
 	bw = sw;
 	dc.h = bh = dc.font.height + 2;
@@ -146,13 +141,13 @@ setup(void) {
 			CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 	XDefineCursor(dpy, barwin, cursor[CurNormal]);
 	XMapRaised(dpy, barwin);
-
+	strcpy(stext, "dwm-"VERSION);
+	/* pixmap for everything */
 	dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
 	dc.gc = XCreateGC(dpy, root, 0, 0);
 	XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
-
+	/* multihead support */
 	issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
-	strcpy(stext, "dwm-"VERSION);
 }
 
 /*
@@ -204,8 +199,7 @@ quit(Arg *arg) {
 	readin = running = False;
 }
 
-/*
- * There's no way to check accesses to destroyed windows, thus those cases are
+/* There's no way to check accesses to destroyed windows, thus those cases are
  * ignored (especially on UnmapNotify's).  Other types of errors call Xlibs
  * default error handler, which may call exit.
  */
@@ -236,21 +230,17 @@ main(int argc, char *argv[]) {
 	}
 	else if(argc != 1)
 		eprint("usage: dwm [-v]\n");
-
 	dpy = XOpenDisplay(0);
 	if(!dpy)
 		eprint("dwm: cannot open display\n");
-
 	xfd = ConnectionNumber(dpy);
 	screen = DefaultScreen(dpy);
 	root = RootWindow(dpy, screen);
-
 	otherwm = False;
 	XSetErrorHandler(xerrorstart);
 	/* this causes an error if some other window manager is running */
 	XSelectInput(dpy, root, SubstructureRedirectMask);
 	XSync(dpy, False);
-
 	if(otherwm)
 		eprint("dwm: another window manager is already running\n");
 
@@ -258,7 +248,6 @@ main(int argc, char *argv[]) {
 	XSetErrorHandler(NULL);
 	xerrorxlib = XSetErrorHandler(xerror);
 	XSync(dpy, False);
-
 	setup();
 	drawstatus();
 	scan();
@@ -291,6 +280,5 @@ main(int argc, char *argv[]) {
 	}
 	cleanup();
 	XCloseDisplay(dpy);
-
 	return 0;
 }
> 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473
/*
 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
 * See LICENSE file for license details.
 */
#include "dwm.h"

#include <stdlib.h>
#include <string.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>

/* static functions */

static void
resizetitle(Client *c)
{
	int i;

	c->tw = 0;
	for(i = 0; i < TLast; i++)
		if(c->tags[i])
			c->tw += textw(c->tags[i]);
	c->tw += textw(c->name);
	if(c->tw > c->w)
		c->tw = c->w + 2;
	c->tx = c->x + c->w - c->tw + 2;
	c->ty = c->y;
	if(c->tags[tsel])
		XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);
	else
		XMoveResizeWindow(dpy, c->title, c->tx + 2 * sw, c->ty, c->tw, c->th);

}

static int
xerrordummy(Display *dsply, XErrorEvent *ee)
{
	return 0;
}

/* extern functions */

void
ban(Client *c)
{
	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
	XMoveWindow(dpy, c->title, c->tx + 2 * sw, c->ty);
}

void
focus(Client *c)
{
	Client *old = sel;
	XEvent ev;

	sel = c;
	if(old && old != c)
		drawtitle(old);
	drawtitle(c);
	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
	XSync(dpy, False);
	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}

void
focusnext(Arg *arg)
{
	Client *c;
   
	if(!sel)
		return;

	if(sel->ismax)
		togglemax(NULL);

	if(!(c = getnext(sel->next)))
		c = getnext(clients);
	if(c) {
		higher(c);
		focus(c);
	}
}

void
focusprev(Arg *arg)
{
	Client *c;

	if(!sel)
		return;

	if(sel->ismax)
		togglemax(NULL);

	if(!(c = getprev(sel->prev))) {
		for(c = clients; c && c->next; c = c->next);
		c = getprev(c);
	}
	if(c) {
		higher(c);
		focus(c);
	}
}

Client *
getclient(Window w)
{
	Client *c;

	for(c = clients; c; c = c->next)
		if(c->win == w)
			return c;
	return NULL;
}

Client *
getctitle(Window w)
{
	Client *c;

	for(c = clients; c; c = c->next)
		if(c->title == w)
			return c;
	return NULL;
}

void
gravitate(Client *c, Bool invert)
{
	int dx = 0, dy = 0;

	switch(c->grav) {
	default:
		break;
	case StaticGravity:
	case NorthWestGravity:
	case NorthGravity:
	case NorthEastGravity:
		dy = c->border;
		break;
	case EastGravity:
	case CenterGravity:
	case WestGravity:
		dy = -(c->h / 2) + c->border;
		break;
	case SouthEastGravity:
	case SouthGravity:
	case SouthWestGravity:
		dy = -(c->h);
		break;
	}

	switch (c->grav) {
	default:
		break;
	case StaticGravity:
	case NorthWestGravity:
	case WestGravity:
	case SouthWestGravity:
		dx = c->border;
		break;
	case NorthGravity:
	case CenterGravity:
	case SouthGravity:
		dx = -(c->w / 2) + c->border;
		break;
	case NorthEastGravity:
	case EastGravity:
	case SouthEastGravity:
		dx = -(c->w + c->border);
		break;
	}

	if(invert) {
		dx = -dx;
		dy = -dy;
	}
	c->x += dx;
	c->y += dy;
}

void
higher(Client *c)
{
	XRaiseWindow(dpy, c->win);
	XRaiseWindow(dpy, c->title);
}

void
killclient(Arg *arg)
{
	if(!sel)
		return;
	if(sel->proto & PROTODELWIN)
		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
	else
		XKillClient(dpy, sel->win);
}

void
lower(Client *c)
{
	XLowerWindow(dpy, c->title);
	XLowerWindow(dpy, c->win);
}

void
manage(Window w, XWindowAttributes *wa)
{
	Client *c;
	Window trans;
	XSetWindowAttributes twa;

	c = emallocz(sizeof(Client));
	c->win = w;
	c->x = c->tx = wa->x;
	c->y = c->ty = wa->y;
	c->w = c->tw = wa->width;
	c->h = wa->height;
	c->th = bh;

	if(c->y < bh)
		c->y = c->ty = bh;

	c->border = 1;
	c->proto = getproto(c->win);
	setsize(c);
	XSelectInput(dpy, c->win,
		StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
	XGetTransientForHint(dpy, c->win, &trans);
	twa.override_redirect = 1;
	twa.background_pixmap = ParentRelative;
	twa.event_mask = ExposureMask;

	c->title = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
			0, DefaultDepth(dpy, screen), CopyFromParent,
			DefaultVisual(dpy, screen),
			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

	settags(c);

	if(clients)
		clients->prev = c;
	c->next = clients;
	clients = c;

	XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);

	if(!c->isfloat)
		c->isfloat = trans || (c->maxw && c->minw &&
				(c->maxw == c->minw) && (c->maxh == c->minh));


	settitle(c);
	arrange(NULL);

	/* mapping the window now prevents flicker */
	XMapRaised(dpy, c->win);
	XMapRaised(dpy, c->title);
	if(c->tags[tsel])
		focus(c);
}

void
resize(Client *c, Bool sizehints, Corner sticky)
{
	int bottom = c->y + c->h;
	int right = c->x + c->w;
	XConfigureEvent e;

	if(sizehints) {
		if(c->incw)
			c->w -= (c->w - c->basew) % c->incw;
		if(c->inch)
			c->h -= (c->h - c->baseh) % c->inch;
		if(c->minw && c->w < c->minw)
			c->w = c->minw;
		if(c->minh && c->h < c->minh)
			c->h = c->minh;
		if(c->maxw && c->w > c->maxw)
			c->w = c->maxw;
		if(c->maxh && c->h > c->maxh)
			c->h = c->maxh;
	}
	if(c->x > sw) /* might happen on restart */
		c->x = sw - c->w;
	if(c->y > sh)
		c->y = sh - c->h;
	if(sticky == TopRight || sticky == BotRight)
		c->x = right - c->w;
	if(sticky == BotLeft || sticky == BotRight)
		c->y = bottom - c->h;

	resizetitle(c);
	XSetWindowBorderWidth(dpy, c->win, 1);
	XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);

	e.type = ConfigureNotify;
	e.event = c->win;
	e.window = c->win;
	e.x = c->x;
	e.y = c->y;
	e.width = c->w;
	e.height = c->h;
	e.border_width = c->border;
	e.above = None;
	e.override_redirect = False;
	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);
	XSync(dpy, False);
}

void
setsize(Client *c)
{
	long msize;
	XSizeHints size;

	if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
		size.flags = PSize;
	c->flags = size.flags;
	if(c->flags & PBaseSize) {
		c->basew = size.base_width;
		c->baseh = size.base_height;
	}
	else
		c->basew = c->baseh = 0;
	if(c->flags & PResizeInc) {
		c->incw = size.width_inc;
		c->inch = size.height_inc;
	}
	else
		c->incw = c->inch = 0;
	if(c->flags & PMaxSize) {
		c->maxw = size.max_width;
		c->maxh = size.max_height;
	}
	else
		c->maxw = c->maxh = 0;
	if(c->flags & PMinSize) {
		c->minw = size.min_width;
		c->minh = size.min_height;
	}
	else
		c->minw = c->minh = 0;
	if(c->flags & PWinGravity)
		c->grav = size.win_gravity;
	else
		c->grav = NorthWestGravity;
}

void
settitle(Client *c)
{
	char **list = NULL;
	int n;
	XTextProperty name;

	name.nitems = 0;
	c->name[0] = 0;
	XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
	if(!name.nitems)
		XGetWMName(dpy, c->win, &name);
	if(!name.nitems)
		return;
	if(name.encoding == XA_STRING)
		strncpy(c->name, (char *)name.value, sizeof(c->name));
	else {
		if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
				&& n > 0 && *list)
		{
			strncpy(c->name, *list, sizeof(c->name));
			XFreeStringList(list);
		}
	}
	XFree(name.value);
	resizetitle(c);
}

void
togglemax(Arg *arg)
{
	int ox, oy, ow, oh;
	XEvent ev;

	if(!sel)
		return;

	if((sel->ismax = !sel->ismax)) {
		ox = sel->x;
		oy = sel->y;
		ow = sel->w;
		oh = sel->h;
		sel->x = sx;
		sel->y = sy + bh;
		sel->w = sw - 2 * sel->border;
		sel->h = sh - 2 * sel->border - bh;

		higher(sel);
		resize(sel, False, TopLeft);

		sel->x = ox;
		sel->y = oy;
		sel->w = ow;
		sel->h = oh;
	}
	else
		resize(sel, False, TopLeft);
	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}

void
unmanage(Client *c)
{
	XGrabServer(dpy);
	XSetErrorHandler(xerrordummy);

	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
	XDestroyWindow(dpy, c->title);

	if(c->prev)
		c->prev->next = c->next;
	if(c->next)
		c->next->prev = c->prev;
	if(c == clients)
		clients = c->next;
	if(sel == c) {
		sel = getnext(c->next);
		if(!sel)
			sel = getprev(c->prev);
		if(!sel)
			sel = clients;
	}
	free(c);

	XSync(dpy, False);
	XSetErrorHandler(xerror);
	XUngrabServer(dpy);
	arrange(NULL);
	if(sel)
		focus(sel);
}

void
zoom(Arg *arg)
{
	Client *c;

	if(!sel)
		return;

	if(sel == getnext(clients) && sel->next)  {
		if((c = getnext(sel->next)))
			sel = c;
	}

	/* pop */
	if(sel->prev)
		sel->prev->next = sel->next;
	if(sel->next)
		sel->next->prev = sel->prev;
	sel->prev = NULL;
	if(clients)
		clients->prev = sel;
	sel->next = clients;
	clients = sel;
	arrange(NULL);
	focus(sel);
}