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@18: #define CLIENT_MASK		(StructureNotifyMask | PropertyChangeMask | EnterWindowMask)
garbeam@18: 
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@20: update_size(Client *c)
garbeam@20: {
garbeam@20: 	XSizeHints size;
garbeam@20: 	long msize;
garbeam@20: 	if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
garbeam@20: 		size.flags = PSize;
garbeam@20: 	c->flags = size.flags;
garbeam@21: 	if(c->flags & PBaseSize) {
garbeam@21: 		c->basew = size.base_width;
garbeam@21: 		c->baseh = size.base_height;
garbeam@21: 	}
garbeam@21: 	else
garbeam@21: 		c->basew = c->baseh = 0;
garbeam@21: 	if(c->flags & PResizeInc) {
garbeam@21: 		c->incw = size.width_inc;
garbeam@21: 		c->inch = size.height_inc;
garbeam@21: 	}
garbeam@21: 	else
garbeam@21: 		c->incw = c->inch = 0;
garbeam@21: 	if(c->flags & PMaxSize) {
garbeam@21: 		c->maxw = size.max_width;
garbeam@21: 		c->maxh = size.max_height;
garbeam@21: 	}
garbeam@21: 	else
garbeam@21: 		c->maxw = c->maxh = 0;
garbeam@21: 	if(c->flags & PMinSize) {
garbeam@21: 		c->minw = size.min_width;
garbeam@21: 		c->minh = size.min_height;
garbeam@21: 	}
garbeam@21: 	else
garbeam@21: 		c->minw = c->minh = 0;
garbeam@20: }
garbeam@20: 
garbeam@20: void
garbeam@13: focus(Client *c)
garbeam@13: {
garbeam@21: 	Client **l, *old;
garbeam@21: 
garbeam@21: 	old = stack;
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@21: 	XRaiseWindow(dpy, c->title);
garbeam@13: 	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
garbeam@21: 	if(old && old != c) {
garbeam@21: 		XMapWindow(dpy, old->title);
garbeam@21: 		draw_client(old);
garbeam@21: 	}
garbeam@21: 	XUnmapWindow(dpy, c->title);
garbeam@21: 	draw_bar();
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: 
garbeam@5: 	c = emallocz(sizeof(Client));
garbeam@5: 	c->win = w;
garbeam@20: 	c->x = wa->x;
garbeam@20: 	c->y = wa->y;
garbeam@20: 	c->w = wa->width;
garbeam@20: 	c->h = wa->height;
garbeam@20: 	update_size(c);
garbeam@19: 	XSetWindowBorderWidth(dpy, c->win, 1);
garbeam@18: 	XSelectInput(dpy, c->win, CLIENT_MASK);
garbeam@5: 	XGetTransientForHint(dpy, c->win, &c->trans);
garbeam@5: 	twa.override_redirect = 1;
garbeam@5: 	twa.background_pixmap = ParentRelative;
garbeam@5: 	twa.event_mask = ExposureMask;
garbeam@5: 
garbeam@20: 	c->title = XCreateWindow(dpy, root, c->x, c->y, c->w, barrect.height,
garbeam@20: 			0, DefaultDepth(dpy, screen), CopyFromParent,
garbeam@5: 			DefaultVisual(dpy, screen),
garbeam@5: 			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
garbeam@21: 	update_name(c);
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@21: 	XMapWindow(dpy, c->title);
garbeam@19: 	XGrabButton(dpy, Button1, Mod1Mask, c->win, False, ButtonPressMask,
garbeam@19: 			GrabModeAsync, GrabModeSync, None, None);
garbeam@19: 	XGrabButton(dpy, Button2, Mod1Mask, c->win, False, ButtonPressMask,
garbeam@19: 			GrabModeAsync, GrabModeSync, None, None);
garbeam@19: 	XGrabButton(dpy, Button3, Mod1Mask, c->win, False, ButtonPressMask,
garbeam@18: 			GrabModeAsync, GrabModeSync, None, None);
garbeam@21: 	resize(c);
garbeam@13: 	focus(c);
garbeam@5: }
garbeam@9: 
garbeam@18: void
garbeam@18: resize(Client *c)
garbeam@18: {
garbeam@18: 	XConfigureEvent e;
garbeam@18: 
garbeam@20: 	XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
garbeam@21: 	XMoveResizeWindow(dpy, c->title, c->x + c->w / 3, c->y, 2 * c->w / 3, barrect.height);
garbeam@18: 	e.type = ConfigureNotify;
garbeam@18: 	e.event = c->win;
garbeam@18: 	e.window = c->win;
garbeam@20: 	e.x = c->x;
garbeam@20: 	e.y = c->y;
garbeam@20: 	e.width = c->w;
garbeam@20: 	e.height = c->h;
garbeam@19: 	e.border_width = 0;
garbeam@18: 	e.above = None;
garbeam@18: 	e.override_redirect = False;
garbeam@18: 	XSelectInput(dpy, c->win, CLIENT_MASK & ~StructureNotifyMask);
garbeam@18: 	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);
garbeam@18: 	XSelectInput(dpy, c->win, CLIENT_MASK);
garbeam@18: 	XFlush(dpy);
garbeam@18: }
garbeam@18: 
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@18: 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
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@18: 	discard_events(EnterWindowMask);
garbeam@14: 	if(stack)
garbeam@14: 		focus(stack);
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: 
garbeam@14: void
garbeam@14: draw_client(Client *c)
garbeam@14: {
garbeam@21: 	if(!c)
garbeam@21: 		return;
garbeam@21: 	if(c == stack)
garbeam@21: 		draw_bar();
garbeam@14: 
garbeam@21: 	brush.rect.x = brush.rect.y = 0;
garbeam@21: 	brush.rect.width = 2 * c->w / 3;
garbeam@21: 	brush.rect.height = barrect.height;
garbeam@14: 
garbeam@21: 	draw(dpy, &brush, True, c->name);
garbeam@21: 	XCopyArea(dpy, brush.drawable, c->title, brush.gc, 0, 0,
garbeam@21: 			brush.rect.width, brush.rect.height, 0, 0);
garbeam@21: 	XFlush(dpy);
garbeam@14: }