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@5: 
garbeam@10: #include <stdlib.h>
garbeam@5: #include <string.h>
garbeam@5: #include <X11/Xatom.h>
garbeam@5: 
garbeam@5: #include "util.h"
garbeam@5: #include "wm.h"
garbeam@5: 
garbeam@13: void
garbeam@13: update_name(Client *c)
garbeam@5: {
garbeam@5: 	XTextProperty name;
garbeam@5: 	int n;
garbeam@7: 	char **list = NULL;
garbeam@5: 
garbeam@5: 	name.nitems = 0;
garbeam@5: 	c->name[0] = 0;
garbeam@5: 	XGetTextProperty(dpy, c->win, &name, net_atom[NetWMName]);
garbeam@5: 	if(!name.nitems)
garbeam@5: 		XGetWMName(dpy, c->win, &name);
garbeam@5: 	if(!name.nitems)
garbeam@5: 		return;
garbeam@5: 	if(name.encoding == XA_STRING)
garbeam@5: 		strncpy(c->name, (char *)name.value, sizeof(c->name));
garbeam@5: 	else {
garbeam@5: 		if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
garbeam@5: 				&& n > 0 && *list)
garbeam@5: 		{
garbeam@5: 			strncpy(c->name, *list, sizeof(c->name));
garbeam@5: 			XFreeStringList(list);
garbeam@5: 		}
garbeam@5: 	}
garbeam@5: 	XFree(name.value);
garbeam@5: }
garbeam@5: 
garbeam@10: void
garbeam@13: focus(Client *c)
garbeam@13: {
garbeam@13: 	Client **l;
garbeam@13: 	for(l=&stack; *l && *l != c; l=&(*l)->snext);
garbeam@13: 	eassert(*l == c);
garbeam@13: 	*l = c->snext;
garbeam@13: 	c->snext = stack;
garbeam@13: 	stack = c;
garbeam@13: 	XRaiseWindow(dpy, c->win);
garbeam@13: 	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
garbeam@13: 	XFlush(dpy);
garbeam@13: }
garbeam@13: 
garbeam@13: void
garbeam@10: manage(Window w, XWindowAttributes *wa)
garbeam@5: {
garbeam@10: 	Client *c, **l;
garbeam@5: 	XSetWindowAttributes twa;
garbeam@5: 	long msize;
garbeam@5: 
garbeam@5: 	c = emallocz(sizeof(Client));
garbeam@5: 	c->win = w;
garbeam@5: 	c->r[RFloat].x = wa->x;
garbeam@5: 	c->r[RFloat].y = wa->y;
garbeam@5: 	c->r[RFloat].width = wa->width;
garbeam@5: 	c->r[RFloat].height = wa->height;
garbeam@5: 	c->border = wa->border_width;
garbeam@5: 	XSetWindowBorderWidth(dpy, c->win, 0);
garbeam@5: 	XGetTransientForHint(dpy, c->win, &c->trans);
garbeam@5: 	if(!XGetWMNormalHints(dpy, c->win, &c->size, &msize) || !c->size.flags)
garbeam@5: 		c->size.flags = PSize;
garbeam@5: 	c->fixedsize =
garbeam@5: 		(c->size.flags & PMinSize && c->size.flags & PMaxSize
garbeam@5: 		 && c->size.min_width == c->size.max_width
garbeam@5: 		 && c->size.min_height == c->size.max_height);
garbeam@13: 	update_name(c);
garbeam@5: 	twa.override_redirect = 1;
garbeam@5: 	twa.background_pixmap = ParentRelative;
garbeam@5: 	twa.event_mask = ExposureMask;
garbeam@5: 
garbeam@5: 	c->title = XCreateWindow(dpy, root, c->r[RFloat].x, c->r[RFloat].y,
garbeam@5: 			c->r[RFloat].width, barrect.height, 0,
garbeam@5: 			DefaultDepth(dpy, screen), CopyFromParent,
garbeam@5: 			DefaultVisual(dpy, screen),
garbeam@5: 			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
garbeam@5: 
garbeam@10: 	for(l=&clients; *l; l=&(*l)->next);
garbeam@10: 	c->next = *l; /* *l == nil */
garbeam@10: 	*l = c;
garbeam@13: 	c->snext = stack;
garbeam@13: 	stack = c;
garbeam@13: 	XMapWindow(dpy, c->win);
garbeam@13: 	focus(c);
garbeam@5: }
garbeam@9: 
garbeam@10: static int
garbeam@10: dummy_error_handler(Display *dpy, XErrorEvent *error)
garbeam@10: {
garbeam@10: 	return 0;
garbeam@10: }
garbeam@10: 
garbeam@10: void
garbeam@10: unmanage(Client *c)
garbeam@10: {
garbeam@10: 	Client **l;
garbeam@10: 
garbeam@10: 	XGrabServer(dpy);
garbeam@10: 	XSetErrorHandler(dummy_error_handler);
garbeam@10: 
garbeam@10: 	XUnmapWindow(dpy, c->win);
garbeam@10: 	XDestroyWindow(dpy, c->title);
garbeam@10: 
garbeam@10: 	for(l=&clients; *l && *l != c; l=&(*l)->next);
garbeam@10: 	eassert(*l == c);
garbeam@10: 	*l = c->next;
garbeam@13: 	for(l=&stack; *l && *l != c; l=&(*l)->snext);
garbeam@13: 	eassert(*l == c);
garbeam@13: 	*l = c->snext;
garbeam@10: 	free(c);
garbeam@10: 
garbeam@10: 	XFlush(dpy);
garbeam@10: 	XSetErrorHandler(error_handler);
garbeam@10: 	XUngrabServer(dpy);
garbeam@13: 	flush_events(EnterWindowMask);
garbeam@10: }
garbeam@10: 
garbeam@10: 
garbeam@9: Client *
garbeam@9: getclient(Window w)
garbeam@9: {
garbeam@9: 	Client *c;
garbeam@9: 	for(c = clients; c; c = c->next)
garbeam@9: 		if(c->win == w)
garbeam@9: 			return c;
garbeam@9: 	return NULL;
garbeam@9: }
garbeam@13: