garbeam@5: /*
garbeam@5:  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
garbeam@5:  * See LICENSE file for license details.
garbeam@5:  */
garbeam@76: #include "dwm.h"
garbeam@5: 
garbeam@10: #include <stdlib.h>
garbeam@5: #include <string.h>
garbeam@5: #include <X11/Xatom.h>
garbeam@32: #include <X11/Xutil.h>
garbeam@5: 
garbeam@76: /* static functions */
garbeam@50: 
garbeam@26: static void
garbeam@75: resizetitle(Client *c)
garbeam@26: {
garbeam@31: 	int i;
garbeam@31: 
arg@115: 	c->tw = 0;
garbeam@31: 	for(i = 0; i < TLast; i++)
garbeam@31: 		if(c->tags[i])
arg@115: 			c->tw += textw(c->tags[i]);
arg@115: 	c->tw += textw(c->name);
arg@115: 	if(c->tw > c->w)
arg@115: 		c->tw = c->w + 2;
arg@115: 	c->tx = c->x + c->w - c->tw + 2;
arg@115: 	c->ty = c->y;
arg@106: 	if(c->tags[tsel])
arg@115: 		XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);
arg@106: 	else
arg@115: 		XMoveResizeWindow(dpy, c->title, c->tx + 2 * sw, c->ty, c->tw, c->th);
arg@106: 
garbeam@26: }
garbeam@18: 
garbeam@76: static int
garbeam@76: xerrordummy(Display *dsply, XErrorEvent *ee)
garbeam@5: {
garbeam@76: 	return 0;
garbeam@5: }
garbeam@5: 
garbeam@76: /* extern functions */
garbeam@20: 
garbeam@20: void
garbeam@76: ban(Client *c)
garbeam@26: {
arg@115: 	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
arg@115: 	XMoveWindow(dpy, c->title, c->tx + 2 * sw, c->ty);
garbeam@26: }
garbeam@26: 
garbeam@26: void
garbeam@13: focus(Client *c)
garbeam@13: {
garbeam@52: 	Client *old = sel;
garbeam@63: 	XEvent ev;
garbeam@52: 
garbeam@50: 	sel = c;
garbeam@52: 	if(old && old != c)
garbeam@74: 		drawtitle(old);
garbeam@74: 	drawtitle(c);
garbeam@26: 	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
garbeam@79: 	XSync(dpy, False);
garbeam@63: 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
garbeam@13: }
garbeam@13: 
garbeam@13: void
garbeam@76: focusnext(Arg *arg)
garbeam@76: {
garbeam@76: 	Client *c;
garbeam@76:    
garbeam@76: 	if(!sel)
garbeam@76: 		return;
garbeam@76: 
arg@124: 	if(sel->ismax)
arg@124: 		togglemax(NULL);
arg@124: 
garbeam@93: 	if(!(c = getnext(sel->next, tsel)))
garbeam@93: 		c = getnext(clients, tsel);
garbeam@76: 	if(c) {
garbeam@76: 		higher(c);
garbeam@76: 		focus(c);
garbeam@76: 	}
garbeam@76: }
garbeam@76: 
garbeam@76: void
garbeam@76: focusprev(Arg *arg)
garbeam@76: {
garbeam@76: 	Client *c;
garbeam@76: 
garbeam@76: 	if(!sel)
garbeam@76: 		return;
garbeam@76: 
arg@124: 	if(sel->ismax)
arg@124: 		togglemax(NULL);
arg@124: 
arg@127: 	if(!(c = getprev(sel->prev))) {
arg@127: 		for(c = clients; c && c->next; c = c->next);
arg@127: 		c = getprev(c);
arg@127: 	}
arg@127: 	if(c) {
garbeam@76: 		higher(c);
garbeam@76: 		focus(c);
garbeam@76: 	}
garbeam@76: }
garbeam@76: 
garbeam@76: Client *
garbeam@76: getclient(Window w)
garbeam@76: {
garbeam@76: 	Client *c;
arg@123: 
garbeam@76: 	for(c = clients; c; c = c->next)
garbeam@76: 		if(c->win == w)
garbeam@76: 			return c;
garbeam@76: 	return NULL;
garbeam@76: }
garbeam@76: 
garbeam@76: Client *
garbeam@76: getctitle(Window w)
garbeam@76: {
garbeam@76: 	Client *c;
arg@123: 
garbeam@76: 	for(c = clients; c; c = c->next)
garbeam@76: 		if(c->title == w)
garbeam@76: 			return c;
garbeam@76: 	return NULL;
garbeam@76: }
garbeam@76: 
garbeam@76: void
garbeam@76: gravitate(Client *c, Bool invert)
garbeam@76: {
garbeam@76: 	int dx = 0, dy = 0;
garbeam@76: 
garbeam@76: 	switch(c->grav) {
arg@127: 	default:
arg@127: 		break;
garbeam@76: 	case StaticGravity:
garbeam@76: 	case NorthWestGravity:
garbeam@76: 	case NorthGravity:
garbeam@76: 	case NorthEastGravity:
garbeam@76: 		dy = c->border;
garbeam@76: 		break;
garbeam@76: 	case EastGravity:
garbeam@76: 	case CenterGravity:
garbeam@76: 	case WestGravity:
arg@115: 		dy = -(c->h / 2) + c->border;
garbeam@76: 		break;
garbeam@76: 	case SouthEastGravity:
garbeam@76: 	case SouthGravity:
garbeam@76: 	case SouthWestGravity:
arg@115: 		dy = -(c->h);
garbeam@76: 		break;
garbeam@76: 	}
garbeam@76: 
garbeam@76: 	switch (c->grav) {
arg@127: 	default:
arg@127: 		break;
garbeam@76: 	case StaticGravity:
garbeam@76: 	case NorthWestGravity:
garbeam@76: 	case WestGravity:
garbeam@76: 	case SouthWestGravity:
garbeam@76: 		dx = c->border;
garbeam@76: 		break;
garbeam@76: 	case NorthGravity:
garbeam@76: 	case CenterGravity:
garbeam@76: 	case SouthGravity:
arg@115: 		dx = -(c->w / 2) + c->border;
garbeam@76: 		break;
garbeam@76: 	case NorthEastGravity:
garbeam@76: 	case EastGravity:
garbeam@76: 	case SouthEastGravity:
arg@115: 		dx = -(c->w + c->border);
garbeam@76: 		break;
garbeam@76: 	}
garbeam@76: 
garbeam@76: 	if(invert) {
garbeam@76: 		dx = -dx;
garbeam@76: 		dy = -dy;
garbeam@76: 	}
arg@115: 	c->x += dx;
arg@115: 	c->y += dy;
garbeam@76: }
garbeam@76: 
garbeam@76: void
garbeam@76: higher(Client *c)
garbeam@76: {
garbeam@76: 	XRaiseWindow(dpy, c->win);
garbeam@76: 	XRaiseWindow(dpy, c->title);
garbeam@76: }
garbeam@76: 
garbeam@76: void
garbeam@76: killclient(Arg *arg)
garbeam@76: {
garbeam@76: 	if(!sel)
garbeam@76: 		return;
garbeam@76: 	if(sel->proto & WM_PROTOCOL_DELWIN)
garbeam@77: 		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
garbeam@76: 	else
garbeam@76: 		XKillClient(dpy, sel->win);
garbeam@76: }
garbeam@76: 
garbeam@76: void
garbeam@76: lower(Client *c)
garbeam@76: {
garbeam@76: 	XLowerWindow(dpy, c->title);
garbeam@76: 	XLowerWindow(dpy, c->win);
garbeam@76: }
garbeam@76: 
garbeam@76: void
garbeam@10: manage(Window w, XWindowAttributes *wa)
garbeam@5: {
garbeam@80: 	Client *c;
arg@123: 	Window trans;
garbeam@5: 	XSetWindowAttributes twa;
garbeam@5: 
garbeam@5: 	c = emallocz(sizeof(Client));
garbeam@5: 	c->win = w;
arg@115: 	c->x = c->tx = wa->x;
arg@115: 	c->y = c->ty = wa->y;
arg@115: 	c->w = c->tw = wa->width;
arg@115: 	c->h = wa->height;
arg@115: 	c->th = bh;
arg@100: 
arg@115: 	if(c->y < bh)
arg@115: 		c->y = c->ty = bh;
arg@104: 
garbeam@29: 	c->border = 1;
garbeam@75: 	c->proto = getproto(c->win);
garbeam@74: 	setsize(c);
garbeam@26: 	XSelectInput(dpy, c->win,
arg@127: 		StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
garbeam@53: 	XGetTransientForHint(dpy, c->win, &trans);
garbeam@5: 	twa.override_redirect = 1;
garbeam@5: 	twa.background_pixmap = ParentRelative;
garbeam@23: 	twa.event_mask = ExposureMask;
garbeam@5: 
arg@115: 	c->title = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
garbeam@20: 			0, DefaultDepth(dpy, screen), CopyFromParent,
garbeam@5: 			DefaultVisual(dpy, screen),
garbeam@5: 			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
garbeam@31: 
garbeam@75: 	settags(c);
garbeam@49: 
arg@127: 	if(clients)
arg@127: 		clients->prev = c;
garbeam@80: 	c->next = clients;
garbeam@80: 	clients = c;
garbeam@49: 
arg@113: 	XGrabButton(dpy, Button1, MODKEY, c->win, False, ButtonPressMask,
garbeam@19: 			GrabModeAsync, GrabModeSync, None, None);
arg@113: 	XGrabButton(dpy, Button2, MODKEY, c->win, False, ButtonPressMask,
garbeam@19: 			GrabModeAsync, GrabModeSync, None, None);
arg@113: 	XGrabButton(dpy, Button3, MODKEY, c->win, False, ButtonPressMask,
garbeam@18: 			GrabModeAsync, GrabModeSync, None, None);
garbeam@53: 
garbeam@80: 	if(!c->isfloat)
arg@114: 		c->isfloat = trans || (c->maxw && c->minw &&
arg@114: 				(c->maxw == c->minw) && (c->maxh == c->minh));
arg@114: 
garbeam@53: 
garbeam@95: 	settitle(c);
garbeam@46: 	arrange(NULL);
garbeam@95: 
garbeam@60: 	/* mapping the window now prevents flicker */
garbeam@60: 	if(c->tags[tsel]) {
garbeam@60: 		XMapRaised(dpy, c->win);
garbeam@60: 		XMapRaised(dpy, c->title);
garbeam@51: 		focus(c);
garbeam@60: 	}
garbeam@60: 	else {
garbeam@60: 		XMapRaised(dpy, c->win);
garbeam@60: 		XMapRaised(dpy, c->title);
arg@127: 
garbeam@60: 	}
garbeam@5: }
garbeam@9: 
garbeam@18: void
garbeam@94: pop(Client *c)
garbeam@94: {
garbeam@94: 	Client **l;
arg@123: 
garbeam@94: 	for(l = &clients; *l && *l != c; l = &(*l)->next);
arg@127: 	if(c->prev)
arg@127: 		c->prev->next = c->next;
arg@127: 	if(c->next)
arg@127: 		c->next->prev = c->prev;
garbeam@94: 	*l = c->next;
garbeam@94: 
arg@128: 	c->prev = NULL;
arg@127: 	if(clients)
arg@127: 		clients->prev = c;
arg@127: 	c->next = clients;
garbeam@94: 	clients = c;
garbeam@94: 	arrange(NULL);
garbeam@94: }
garbeam@94: 
garbeam@94: void
arg@129: resize(Client *c, Bool sizehints, Corner sticky)
garbeam@18: {
arg@123: 	int bottom = c->y + c->h;
arg@123: 	int right = c->x + c->w;
garbeam@18: 	XConfigureEvent e;
garbeam@18: 
arg@129: 	if(sizehints) {
garbeam@52: 		if(c->incw)
arg@115: 			c->w -= (c->w - c->basew) % c->incw;
garbeam@52: 		if(c->inch)
arg@115: 			c->h -= (c->h - c->baseh) % c->inch;
arg@129: 		if(c->minw && c->w < c->minw)
arg@129: 			c->w = c->minw;
arg@129: 		if(c->minh && c->h < c->minh)
arg@129: 			c->h = c->minh;
arg@129: 		if(c->maxw && c->w > c->maxw)
arg@129: 			c->w = c->maxw;
arg@129: 		if(c->maxh && c->h > c->maxh)
arg@129: 			c->h = c->maxh;
garbeam@52: 	}
arg@115: 	if(c->x > sw) /* might happen on restart */
arg@115: 		c->x = sw - c->w;
arg@115: 	if(c->y > sh)
arg@115: 		c->y = sh - c->h;
arg@105: 	if(sticky == TopRight || sticky == BotRight)
arg@115: 		c->x = right - c->w;
arg@105: 	if(sticky == BotLeft || sticky == BotRight)
arg@115: 		c->y = bottom - c->h;
arg@106: 
garbeam@75: 	resizetitle(c);
garbeam@55: 	XSetWindowBorderWidth(dpy, c->win, 1);
arg@115: 	XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
arg@106: 
garbeam@18: 	e.type = ConfigureNotify;
garbeam@18: 	e.event = c->win;
garbeam@18: 	e.window = c->win;
arg@115: 	e.x = c->x;
arg@115: 	e.y = c->y;
arg@115: 	e.width = c->w;
arg@115: 	e.height = c->h;
garbeam@29: 	e.border_width = c->border;
garbeam@18: 	e.above = None;
garbeam@18: 	e.override_redirect = False;
garbeam@18: 	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);
garbeam@79: 	XSync(dpy, False);
garbeam@18: }
garbeam@18: 
garbeam@76: void
garbeam@76: setsize(Client *c)
garbeam@10: {
arg@123: 	long msize;
garbeam@76: 	XSizeHints size;
arg@123: 
garbeam@76: 	if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
garbeam@76: 		size.flags = PSize;
garbeam@76: 	c->flags = size.flags;
garbeam@76: 	if(c->flags & PBaseSize) {
garbeam@76: 		c->basew = size.base_width;
garbeam@76: 		c->baseh = size.base_height;
garbeam@76: 	}
garbeam@76: 	else
garbeam@76: 		c->basew = c->baseh = 0;
garbeam@76: 	if(c->flags & PResizeInc) {
garbeam@76: 		c->incw = size.width_inc;
garbeam@76: 		c->inch = size.height_inc;
garbeam@76: 	}
garbeam@76: 	else
garbeam@76: 		c->incw = c->inch = 0;
garbeam@76: 	if(c->flags & PMaxSize) {
garbeam@76: 		c->maxw = size.max_width;
garbeam@76: 		c->maxh = size.max_height;
garbeam@76: 	}
garbeam@76: 	else
garbeam@76: 		c->maxw = c->maxh = 0;
garbeam@76: 	if(c->flags & PMinSize) {
garbeam@76: 		c->minw = size.min_width;
garbeam@76: 		c->minh = size.min_height;
garbeam@76: 	}
garbeam@76: 	else
garbeam@76: 		c->minw = c->minh = 0;
garbeam@76: 	if(c->flags & PWinGravity)
garbeam@76: 		c->grav = size.win_gravity;
garbeam@76: 	else
garbeam@76: 		c->grav = NorthWestGravity;
garbeam@76: }
garbeam@76: 
garbeam@76: void
garbeam@76: settitle(Client *c)
garbeam@76: {
arg@123: 	char **list = NULL;
arg@123: 	int n;
garbeam@76: 	XTextProperty name;
garbeam@76: 
garbeam@76: 	name.nitems = 0;
garbeam@76: 	c->name[0] = 0;
garbeam@77: 	XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
garbeam@76: 	if(!name.nitems)
garbeam@76: 		XGetWMName(dpy, c->win, &name);
garbeam@76: 	if(!name.nitems)
garbeam@76: 		return;
garbeam@76: 	if(name.encoding == XA_STRING)
garbeam@76: 		strncpy(c->name, (char *)name.value, sizeof(c->name));
garbeam@76: 	else {
garbeam@76: 		if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
garbeam@76: 				&& n > 0 && *list)
garbeam@76: 		{
garbeam@76: 			strncpy(c->name, *list, sizeof(c->name));
garbeam@76: 			XFreeStringList(list);
garbeam@76: 		}
garbeam@76: 	}
garbeam@76: 	XFree(name.value);
garbeam@76: 	resizetitle(c);
garbeam@10: }
garbeam@10: 
garbeam@10: void
arg@124: togglemax(Arg *arg)
arg@124: {
arg@124: 	int ox, oy, ow, oh;
arg@124: 	XEvent ev;
arg@124: 
arg@124: 	if(!sel)
arg@124: 		return;
arg@124: 
arg@124: 	if((sel->ismax = !sel->ismax)) {
arg@124: 		ox = sel->x;
arg@124: 		oy = sel->y;
arg@124: 		ow = sel->w;
arg@124: 		oh = sel->h;
arg@124: 		sel->x = sx;
arg@124: 		sel->y = sy + bh;
arg@124: 		sel->w = sw - 2 * sel->border;
arg@124: 		sel->h = sh - 2 * sel->border - bh;
arg@124: 
arg@124: 		higher(sel);
arg@124: 		resize(sel, False, TopLeft);
arg@124: 
arg@124: 		sel->x = ox;
arg@124: 		sel->y = oy;
arg@124: 		sel->w = ow;
arg@124: 		sel->h = oh;
arg@124: 	}
arg@124: 	else
arg@124: 		resize(sel, False, TopLeft);
arg@124: 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
arg@124: }
arg@124: 
arg@124: void
garbeam@10: unmanage(Client *c)
garbeam@10: {
garbeam@50: 	Client **l;
garbeam@50: 
garbeam@10: 	XGrabServer(dpy);
garbeam@75: 	XSetErrorHandler(xerrordummy);
garbeam@10: 
garbeam@18: 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
garbeam@10: 	XDestroyWindow(dpy, c->title);
garbeam@10: 
garbeam@50: 	for(l = &clients; *l && *l != c; l = &(*l)->next);
arg@127: 	if(c->prev)
arg@127: 		c->prev->next = c->next;
arg@127: 	if(c->next)
arg@127: 		c->next->prev = c->prev;
garbeam@50: 	*l = c->next;
arg@127: 	if(sel == c) {
arg@127: 		sel = getnext(c->next, tsel);
arg@127: 		if(!sel)
arg@127: 			sel = getprev(c->prev);
arg@127: 		if(!sel)
arg@127: 			sel = clients;
arg@127: 	}
garbeam@10: 	free(c);
garbeam@10: 
garbeam@79: 	XSync(dpy, False);
garbeam@74: 	XSetErrorHandler(xerror);
garbeam@10: 	XUngrabServer(dpy);
garbeam@46: 	arrange(NULL);
garbeam@50: 	if(sel)
garbeam@50: 		focus(sel);
garbeam@10: }
garbeam@10: 
garbeam@75: void
garbeam@75: zoom(Arg *arg)
garbeam@75: {
garbeam@94: 	Client *c;
garbeam@75: 
garbeam@75: 	if(!sel)
garbeam@75: 		return;
garbeam@75: 
garbeam@93: 	if(sel == getnext(clients, tsel) && sel->next)  {
garbeam@93: 		if((c = getnext(sel->next, tsel)))
garbeam@75: 			sel = c;
garbeam@75: 	}
garbeam@75: 
garbeam@94: 	pop(sel);
garbeam@75: 	focus(sel);
garbeam@75: }