/* * (C)opyright MMVI Anselm R. Garbe * See LICENSE file for license details. */ #include #include #include #include #include "util.h" #include "wm.h" void max(void *aux) { if(!stack) return; stack->x = sx; stack->y = bh; stack->w = sw - 2; stack->h = sh - bh - 2; resize(stack); } void arrange(void *aux) { Client *c; int n, cols, rows, gw, gh, i, j; float rt, fd; if(!clients) return; for(n = 0, c = clients; c; c = c->next, n++); rt = sqrt(n); if(modff(rt, &fd) < 0.5) rows = floor(rt); else rows = ceil(rt); if(rows * rows < n) cols = rows + 1; else cols = rows; gw = (sw - 1) / cols; gh = (sh - bh - 1) / rows; for(i = j = 0, c = clients; c; c = c->next) { c->x = i * gw; c->y = j * gh + bh; c->w = gw; c->h = gh; resize(c); if(++i == cols) { j++; i = 0; } } } void sel(void *aux) { const char *arg = aux; Client *c = NULL; if(!arg || !stack) return; if(!strncmp(arg, "next", 5)) c = stack->snext ? stack->snext : stack; else if(!strncmp(arg, "prev", 5)) for(c = stack; c && c->snext; c = c->snext); if(!c) c = stack; raise(c); focus(c); } void kill(void *aux) { Client *c = stack; if(!c) return; if(c->proto & WM_PROTOCOL_DELWIN) send_message(c->win, wm_atom[WMProtocols], wm_atom[WMDelete]); else XKillClient(dpy, c->win); } static void resize_title(Client *c) { c->tw = textw(&brush.font, c->name) + bh; if(c->tw > c->w) c->tw = c->w + 2; c->tx = c->x + c->w - c->tw + 2; c->ty = c->y; XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th); } void update_name(Client *c) { XTextProperty name; int n; char **list = NULL; name.nitems = 0; c->name[0] = 0; XGetTextProperty(dpy, c->win, &name, net_atom[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); resize_title(c); } void update_size(Client *c) { XSizeHints size; long msize; 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; } void raise(Client *c) { XRaiseWindow(dpy, c->win); XRaiseWindow(dpy, c->title); } void lower(Client *c) { XLowerWindow(dpy, c->title); XLowerWindow(dpy, c->win); } void focus(Client *c) { Client **l, *old; old = stack; for(l = &stack; *l && *l != c; l = &(*l)->snext); eassert(*l == c); *l = c->snext; c->snext = stack; stack = c; if(old && old != c) { XMapWindow(dpy, old->title); draw_client(old); } XUnmapWindow(dpy, c->title); draw_client(c); XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime); XFlush(dpy); } void manage(Window w, XWindowAttributes *wa) { Client *c, **l; XSetWindowAttributes twa; c = emallocz(sizeof(Client)); c->win = w; c->tx = c->x = wa->x; c->ty = c->y = wa->y; if(c->y < bh) c->ty = c->y += bh; c->tw = c->w = wa->width; c->h = wa->height; c->th = bh; update_size(c); XSetWindowBorderWidth(dpy, c->win, 1); XSetWindowBorder(dpy, c->win, brush.border); XSelectInput(dpy, c->win, StructureNotifyMask | PropertyChangeMask | EnterWindowMask); XGetTransientForHint(dpy, c->win, &c->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); update_name(c); for(l=&clients; *l; l=&(*l)->next); c->next = *l; /* *l == nil */ *l = c; c->snext = stack; stack = c; XMapRaised(dpy, c->win); XMapRaised(dpy, c->title); XGrabButton(dpy, Button1, Mod1Mask, c->win, False, ButtonPressMask, GrabModeAsync, GrabModeSync, None, None); XGrabButton(dpy, Button2, Mod1Mask, c->win, False, ButtonPressMask, GrabModeAsync, GrabModeSync, None, None); XGrabButton(dpy, Button3, Mod1Mask, c->win, False, ButtonPressMask, GrabModeAsync, GrabModeSync, None, None); resize(c); focus(c); } void resize(Client *c) { XConfigureEvent e; resize_title(c); 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 = 0; e.above = None; e.override_redirect = False; XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e); XFlush(dpy); } static int dummy_error_handler(Display *dpy, XErrorEvent *error) { return 0; } void unmanage(Client *c) { Client **l; XGrabServer(dpy); XSetErrorHandler(dummy_error_handler); XUngrabButton(dpy, AnyButton, AnyModifier, c->win); XDestroyWindow(dpy, c->title); for(l=&clients; *l && *l != c; l=&(*l)->next); eassert(*l == c); *l = c->next; for(l=&stack; *l && *l != c; l=&(*l)->snext); eassert(*l == c); *l = c->snext; free(c); XFlush(dpy); XSetErrorHandler(error_handler); XUngrabServer(dpy); if(stack) focus(stack); } Client * gettitle(Window w) { Client *c; for(c = clients; c; c = c->next) if(c->title == w) return c; return NULL; } Client * getclient(Window w) { Client *c; for(c = clients; c; c = c->next) if(c->win == w) return c; return NULL; } void draw_client(Client *c) { if(c == stack) { draw_bar(); return; } brush.x = brush.y = 0; brush.w = c->tw; brush.h = c->th; draw(dpy, &brush, True, c->name); XCopyArea(dpy, brush.drawable, c->title, brush.gc, 0, 0, c->tw, c->th, 0, 0); XFlush(dpy); }