From b8ed6bb138b28ba3632b51b840b6d1be5e4decec Mon Sep 17 00:00:00 2001 From: btkoch Date: Mon, 27 Nov 2023 13:51:31 -0500 Subject: update --- dwm.c | 343 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 309 insertions(+), 34 deletions(-) mode change 100644 => 100755 dwm.c (limited to 'dwm.c') diff --git a/dwm.c b/dwm.c old mode 100644 new mode 100755 index f1d86b2..11fc191 --- a/dwm.c +++ b/dwm.c @@ -40,6 +40,12 @@ #include #endif /* XINERAMA */ #include +#include +#include +#ifdef __OpenBSD__ +#include +#include +#endif /* __OpenBSD */ #include "drw.h" #include "util.h" @@ -92,9 +98,11 @@ struct Client { int basew, baseh, incw, inch, maxw, maxh, minw, minh, hintsvalid; int bw, oldbw; unsigned int tags; - int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen; + int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen, isterminal, noswallow; + pid_t pid; Client *next; Client *snext; + Client *swallowing; Monitor *mon; Window win; }; @@ -119,6 +127,7 @@ struct Monitor { int by; /* bar geometry */ int mx, my, mw, mh; /* screen size */ int wx, wy, ww, wh; /* window area */ + int gappx; /* gaps between windows */ unsigned int seltags; unsigned int sellt; unsigned int tagset[2]; @@ -138,6 +147,8 @@ typedef struct { const char *title; unsigned int tags; int isfloating; + int isterminal; + int noswallow; int monitor; } Rule; @@ -175,6 +186,7 @@ static long getstate(Window w); static int gettextprop(Window w, Atom atom, char *text, unsigned int size); static void grabbuttons(Client *c, int focused); static void grabkeys(void); +static char* help(); static void incnmaster(const Arg *arg); static void keypress(XEvent *e); static void killclient(const Arg *arg); @@ -200,6 +212,7 @@ static void sendmon(Client *c, Monitor *m); static void setclientstate(Client *c, long state); static void setfocus(Client *c); static void setfullscreen(Client *c, int fullscreen); +static void setgaps(const Arg *arg); static void setlayout(const Arg *arg); static void setmfact(const Arg *arg); static void setup(void); @@ -234,6 +247,12 @@ static int xerrordummy(Display *dpy, XErrorEvent *ee); static int xerrorstart(Display *dpy, XErrorEvent *ee); static void zoom(const Arg *arg); +static pid_t getparentprocess(pid_t p); +static int isdescprocess(pid_t p, pid_t c); +static Client *swallowingclient(Window w); +static Client *termforwin(const Client *c); +static pid_t winpid(Window w); + /* variables */ static const char broken[] = "broken"; static char stext[256]; @@ -241,6 +260,8 @@ static int screen; static int sw, sh; /* X display screen geometry width, height */ static int bh; /* bar height */ static int lrpad; /* sum of left and right padding for text */ +static int vp; /* vertical padding for bar */ +static int sp; /* side padding for bar */ static int (*xerrorxlib)(Display *, XErrorEvent *); static unsigned int numlockmask = 0; static void (*handler[LASTEvent]) (XEvent *) = { @@ -268,6 +289,8 @@ static Drw *drw; static Monitor *mons, *selmon; static Window root, wmcheckwin; +static xcb_connection_t *xcon; + /* configuration, allows nested code to access above variables */ #include "config.h" @@ -297,6 +320,8 @@ applyrules(Client *c) && (!r->class || strstr(class, r->class)) && (!r->instance || strstr(instance, r->instance))) { + c->isterminal = r->isterminal; + c->noswallow = r->noswallow; c->isfloating = r->isfloating; c->tags |= r->tags; for (m = mons; m && m->num != r->monitor; m = m->next); @@ -415,6 +440,53 @@ attachstack(Client *c) c->mon->stack = c; } +void +swallow(Client *p, Client *c) +{ + + if (c->noswallow || c->isterminal) + return; + if (c->noswallow && !swallowfloating && c->isfloating) + return; + + detach(c); + detachstack(c); + + setclientstate(c, WithdrawnState); + XUnmapWindow(dpy, p->win); + + p->swallowing = c; + c->mon = p->mon; + + Window w = p->win; + p->win = c->win; + c->win = w; + updatetitle(p); + XMoveResizeWindow(dpy, p->win, p->x, p->y, p->w, p->h); + arrange(p->mon); + configure(p); + updateclientlist(); +} + +void +unswallow(Client *c) +{ + c->win = c->swallowing->win; + + free(c->swallowing); + c->swallowing = NULL; + + /* unfullscreen the client */ + setfullscreen(c, 0); + updatetitle(c); + arrange(c->mon); + XMapWindow(dpy, c->win); + XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); + setclientstate(c, NormalState); + focus(NULL); + arrange(c->mon); +} + void buttonpress(XEvent *e) { @@ -570,7 +642,7 @@ configurenotify(XEvent *e) for (c = m->clients; c; c = c->next) if (c->isfullscreen) resizeclient(c, m->mx, m->my, m->mw, m->mh); - XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh); + XMoveResizeWindow(dpy, m->barwin, m->wx + sp, m->by + vp, m->ww - 2 * sp, bh); } focus(NULL); arrange(NULL); @@ -641,6 +713,7 @@ createmon(void) m->nmaster = nmaster; m->showbar = showbar; m->topbar = topbar; + m->gappx = gappx; m->lt[0] = &layouts[0]; m->lt[1] = &layouts[1 % LENGTH(layouts)]; strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol); @@ -655,6 +728,9 @@ destroynotify(XEvent *e) if ((c = wintoclient(ev->window))) unmanage(c, 1); + + else if ((c = swallowingclient(ev->window))) + unmanage(c->swallowing, 1); } void @@ -710,8 +786,8 @@ drawbar(Monitor *m) /* draw status first so it can be overdrawn by tags later */ if (m == selmon) { /* status is only drawn on selected monitor */ drw_setscheme(drw, scheme[SchemeNorm]); - tw = TEXTW(stext) - lrpad + 2; /* 2px right padding */ - drw_text(drw, m->ww - tw, 0, tw, bh, 0, stext, 0); + tw = TEXTW(stext); + drw_text(drw, m->ww - tw, 0, tw, bh, lrpad / 2, stext, 0); } for (c = m->clients; c; c = c->next) { @@ -736,13 +812,17 @@ drawbar(Monitor *m) if ((w = m->ww - tw - x) > bh) { if (m->sel) { + /* fix overflow when window name is bigger than window width */ + int mid = (m->ww - (int)TEXTW(m->sel->name)) / 2 - x; + /* make sure name will not overlap on tags even when it is very long */ + mid = mid >= lrpad / 2 ? mid : lrpad / 2; drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]); - drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0); + drw_text(drw, x, 0, w - 2 * sp, bh, mid, m->sel->name, 0); if (m->sel->isfloating) drw_rect(drw, x + boxs, boxs, boxw, boxw, m->sel->isfixed, 0); } else { drw_setscheme(drw, scheme[SchemeNorm]); - drw_rect(drw, x, 0, w, bh, 1, 1); + drw_rect(drw, x, 0, w - 2 * sp, bh, 1, 1); } } drw_map(drw, m->barwin, 0, 0, m->ww, bh); @@ -977,6 +1057,12 @@ grabkeys(void) } } +char* +help(void) +{ + return "usage: dwm [-hv] [-fn font] [-nb color] [-nf color] [-sb color] [-sf color]\n[-df font] [-dnf color] [-dnb color] [-dsf color] [-dsb color]\n"; +} + void incnmaster(const Arg *arg) { @@ -1031,12 +1117,13 @@ killclient(const Arg *arg) void manage(Window w, XWindowAttributes *wa) { - Client *c, *t = NULL; + Client *c, *t = NULL, *term = NULL; Window trans = None; XWindowChanges wc; c = ecalloc(1, sizeof(Client)); c->win = w; + c->pid = winpid(w); /* geometry */ c->x = c->oldx = wa->x; c->y = c->oldy = wa->y; @@ -1051,6 +1138,7 @@ manage(Window w, XWindowAttributes *wa) } else { c->mon = selmon; applyrules(c); + term = termforwin(c); } if (c->x + WIDTH(c) > c->mon->wx + c->mon->ww) @@ -1085,6 +1173,8 @@ manage(Window w, XWindowAttributes *wa) c->mon->sel = c; arrange(c->mon); XMapWindow(dpy, c->win); + if (term) + swallow(term, c); focus(NULL); } @@ -1507,6 +1597,16 @@ setfullscreen(Client *c, int fullscreen) } } +void +setgaps(const Arg *arg) +{ + if ((arg->i == 0) || (selmon->gappx + arg->i < 0)) + selmon->gappx = 0; + else + selmon->gappx += arg->i; + arrange(selmon); +} + void setlayout(const Arg *arg) { @@ -1561,9 +1661,12 @@ setup(void) drw = drw_create(dpy, screen, root, sw, sh); if (!drw_fontset_create(drw, fonts, LENGTH(fonts))) die("no fonts could be loaded."); - lrpad = drw->fonts->h; - bh = drw->fonts->h + 2; + lrpad = drw->fonts->h + horizpadbar; + bh = user_bh ? user_bh : drw->fonts->h + vertpadbar; updategeom(); + sp = sidepad; + vp = (topbar == 1) ? vertpad : - vertpad; + /* init atoms */ utf8string = XInternAtom(dpy, "UTF8_STRING", False); wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); @@ -1590,6 +1693,7 @@ setup(void) /* init bars */ updatebars(); updatestatus(); + updatebarpos(selmon); /* supporting window for NetWMCheck */ wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0); XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32, @@ -1697,18 +1801,18 @@ tile(Monitor *m) if (n > m->nmaster) mw = m->nmaster ? m->ww * m->mfact : 0; else - mw = m->ww; - for (i = my = ty = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++) - if (i < m->nmaster) { - h = (m->wh - my) / (MIN(n, m->nmaster) - i); - resize(c, m->wx, m->wy + my, mw - (2*c->bw), h - (2*c->bw), 0); - if (my + HEIGHT(c) < m->wh) - my += HEIGHT(c); + mw = m->ww - m->gappx; + for (i = 0, my = ty = m->gappx, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++) + if (i < m->nmaster) { + h = (m->wh - my) / (MIN(n, m->nmaster) - i) - m->gappx; + resize(c, m->wx + m->gappx, m->wy + my, mw - (2*c->bw) - m->gappx, h - (2*c->bw), 0); + if (my + HEIGHT(c) + m->gappx < m->wh) + my += HEIGHT(c) + m->gappx; } else { - h = (m->wh - ty) / (n - i); - resize(c, m->wx + mw, m->wy + ty, m->ww - mw - (2*c->bw), h - (2*c->bw), 0); - if (ty + HEIGHT(c) < m->wh) - ty += HEIGHT(c); + h = (m->wh - ty) / (n - i) - m->gappx; + resize(c, m->wx + mw + m->gappx, m->wy + ty, m->ww - mw - (2*c->bw) - 2*m->gappx, h - (2*c->bw), 0); + if (ty + HEIGHT(c) + m->gappx < m->wh) + ty += HEIGHT(c) + m->gappx; } } @@ -1717,7 +1821,7 @@ togglebar(const Arg *arg) { selmon->showbar = !selmon->showbar; updatebarpos(selmon); - XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh); + XMoveResizeWindow(dpy, selmon->barwin, selmon->wx + sp, selmon->by + vp, selmon->ww - 2 * sp, bh); arrange(selmon); } @@ -1781,6 +1885,20 @@ unmanage(Client *c, int destroyed) Monitor *m = c->mon; XWindowChanges wc; + if (c->swallowing) { + unswallow(c); + return; + } + + Client *s = swallowingclient(c->win); + if (s) { + free(s->swallowing); + s->swallowing = NULL; + arrange(m); + focus(NULL); + return; + } + detach(c); detachstack(c); if (!destroyed) { @@ -1796,9 +1914,12 @@ unmanage(Client *c, int destroyed) XUngrabServer(dpy); } free(c); - focus(NULL); - updateclientlist(); - arrange(m); + + if (!s) { + arrange(m); + focus(NULL); + updateclientlist(); + } } void @@ -1828,7 +1949,7 @@ updatebars(void) for (m = mons; m; m = m->next) { if (m->barwin) continue; - m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen), + m->barwin = XCreateWindow(dpy, root, m->wx + sp, m->by + vp, m->ww - 2 * sp, bh, 0, DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen), CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa); XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor); @@ -1843,11 +1964,11 @@ updatebarpos(Monitor *m) m->wy = m->my; m->wh = m->mh; if (m->showbar) { - m->wh -= bh; - m->by = m->topbar ? m->wy : m->wy + m->wh; - m->wy = m->topbar ? m->wy + bh : m->wy; + m->wh = m->wh - vertpad - bh; + m->by = m->topbar ? m->wy : m->wy + m->wh + vertpad; + m->wy = m->topbar ? m->wy + bh + vp : m->wy; } else - m->by = -bh; + m->by = -bh - vp; } void @@ -2062,6 +2183,136 @@ view(const Arg *arg) arrange(selmon); } +pid_t +winpid(Window w) +{ + + pid_t result = 0; + +#ifdef __linux__ + xcb_res_client_id_spec_t spec = {0}; + spec.client = w; + spec.mask = XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID; + + xcb_generic_error_t *e = NULL; + xcb_res_query_client_ids_cookie_t c = xcb_res_query_client_ids(xcon, 1, &spec); + xcb_res_query_client_ids_reply_t *r = xcb_res_query_client_ids_reply(xcon, c, &e); + + if (!r) + return (pid_t)0; + + xcb_res_client_id_value_iterator_t i = xcb_res_query_client_ids_ids_iterator(r); + for (; i.rem; xcb_res_client_id_value_next(&i)) { + spec = i.data->spec; + if (spec.mask & XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID) { + uint32_t *t = xcb_res_client_id_value_value(i.data); + result = *t; + break; + } + } + + free(r); + + if (result == (pid_t)-1) + result = 0; + +#endif /* __linux__ */ + +#ifdef __OpenBSD__ + Atom type; + int format; + unsigned long len, bytes; + unsigned char *prop; + pid_t ret; + + if (XGetWindowProperty(dpy, w, XInternAtom(dpy, "_NET_WM_PID", 0), 0, 1, False, AnyPropertyType, &type, &format, &len, &bytes, &prop) != Success || !prop) + return 0; + + ret = *(pid_t*)prop; + XFree(prop); + result = ret; + +#endif /* __OpenBSD__ */ + return result; +} + +pid_t +getparentprocess(pid_t p) +{ + unsigned int v = 0; + +#ifdef __linux__ + FILE *f; + char buf[256]; + snprintf(buf, sizeof(buf) - 1, "/proc/%u/stat", (unsigned)p); + + if (!(f = fopen(buf, "r"))) + return 0; + + fscanf(f, "%*u %*s %*c %u", &v); + fclose(f); +#endif /* __linux__*/ + +#ifdef __OpenBSD__ + int n; + kvm_t *kd; + struct kinfo_proc *kp; + + kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, NULL); + if (!kd) + return 0; + + kp = kvm_getprocs(kd, KERN_PROC_PID, p, sizeof(*kp), &n); + v = kp->p_ppid; +#endif /* __OpenBSD__ */ + + return (pid_t)v; +} + +int +isdescprocess(pid_t p, pid_t c) +{ + while (p != c && c != 0) + c = getparentprocess(c); + + return (int)c; +} + +Client * +termforwin(const Client *w) +{ + Client *c; + Monitor *m; + + if (!w->pid || w->isterminal) + return NULL; + + for (m = mons; m; m = m->next) { + for (c = m->clients; c; c = c->next) { + if (c->isterminal && !c->swallowing && c->pid && isdescprocess(c->pid, w->pid)) + return c; + } + } + + return NULL; +} + +Client * +swallowingclient(Window w) +{ + Client *c; + Monitor *m; + + for (m = mons; m; m = m->next) { + for (c = m->clients; c; c = c->next) { + if (c->swallowing && c->swallowing->win == w) + return c; + } + } + + return NULL; +} + Client * wintoclient(Window w) { @@ -2143,18 +2394,42 @@ zoom(const Arg *arg) int main(int argc, char *argv[]) { - if (argc == 2 && !strcmp("-v", argv[1])) - die("dwm-"VERSION); - else if (argc != 1) - die("usage: dwm [-v]"); + for(int i=1;i