+/* events */
+void expose(XEvent *);
+void keypress(XEvent *);
+void buttonpress(XEvent *);
+void configurerequest(XEvent *);
+void configurenotify(XEvent *);
+void destroynotify(XEvent *);
+void enternotify(XEvent *);
+void focusin(XEvent *);
+void mappingnotify(XEvent *);
+void maprequest(XEvent *);
+void propertynotify(XEvent *);
+void unmapnotify(XEvent *);
+void visibilitynotify(XEvent *);
+
+void (*handler[LASTEvent])(XEvent *) = {
+ [Expose] = expose,
+ [KeyPress] = keypress,
+ [ButtonPress] = buttonpress,
+ [ConfigureRequest] = configurerequest,
+ [ConfigureNotify] = configurenotify,
+ [DestroyNotify] = destroynotify,
+ [EnterNotify] = enternotify,
+ [FocusIn] = focusin,
+ [MappingNotify] = mappingnotify,
+ [MapRequest] = maprequest,
+ [PropertyNotify] = propertynotify,
+ [UnmapNotify] = unmapnotify,
+ [VisibilityNotify] = visibilitynotify,
+};
+
+unsigned long
+name_to_color(char *colorname)
+{
+ Colormap cmap;
+ Status status;
+ XColor screen_def, exact_def;
+ unsigned long result = 0;
+ char cname[32] = "#";
+
+ cmap = DefaultColormap(display, screens[0].idx);
+ status = XAllocNamedColor(display, cmap, colorname,
+ &screen_def, &exact_def);
+ if (!status) {
+ strlcat(cname, colorname + 2, sizeof cname - 1);
+ status = XAllocNamedColor(display, cmap, cname, &screen_def,
+ &exact_def);
+ }
+ if (status)
+ result = screen_def.pixel;
+ else
+ fprintf(stderr, "color '%s' not found.\n", colorname);
+
+ return (result);
+}
+
+void
+setscreencolor(char *val, int i, int c)
+{
+ if (i > 0 && i <= ScreenCount(display)) {
+ screens[i - 1].c[c].color = name_to_color(val);
+ if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
+ errx(1, "strdup");
+ } else if (i == -1) {
+ for (i = 0; i < ScreenCount(display); i++)
+ screens[i].c[c].color = name_to_color(val);
+ if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
+ errx(1, "strdup");
+ } else
+ errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
+ i, ScreenCount(display));
+}
+
+int
+varmatch(char *var, char *name, int *index)
+{
+ char *p, buf[5];
+ int i;
+
+ i = strncmp(var, name, 255);
+ if (index == NULL)
+ return (i);
+
+ *index = -1;
+ if (i <= 0)
+ return (i);
+ p = var + strlen(name);
+ if (*p++ != '[')
+ return (i);
+ bzero(buf, sizeof buf);
+ i = 0;
+ while (isdigit(*p) && i < sizeof buf)
+ buf[i++] = *p++;
+ if (i == 0 || i >= sizeof buf || *p != ']')
+ return (1);
+ *index = strtonum(buf, 0, 99, NULL);
+ return (0);
+}
+
+/* conf file stuff */
+#define SWM_CONF_WS "\n= \t"
+#define SWM_CONF_FILE "scrotwm.conf"
+int
+conf_load(char *filename)
+{
+ FILE *config;
+ char *line, *cp, *var, *val;
+ size_t len, lineno = 0;
+ int i, sc;
+
+ DNPRINTF(SWM_D_MISC, "conf_load: filename %s\n", filename);
+
+ if (filename == NULL)
+ return (1);
+
+ if ((config = fopen(filename, "r")) == NULL)
+ return (1);
+
+ for (sc = ScreenCount(display);;) {
+ if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL)
+ if (feof(config))
+ break;
+ cp = line;
+ cp += (long)strspn(cp, SWM_CONF_WS);
+ if (cp[0] == '\0') {
+ /* empty line */
+ free(line);
+ continue;
+ }
+ if ((var = strsep(&cp, SWM_CONF_WS)) == NULL || cp == NULL)
+ break;
+ cp += (long)strspn(cp, SWM_CONF_WS);
+ if ((val = strsep(&cp, SWM_CONF_WS)) == NULL)
+ break;
+
+ DNPRINTF(SWM_D_MISC, "conf_load: %s=%s\n",var ,val);
+ switch (var[0]) {
+ case 'b':
+ if (!strncmp(var, "bar_enabled", strlen("bar_enabled")))
+ bar_enabled = atoi(val);
+ else if (!varmatch(var, "bar_border", &i))
+ setscreencolor(val, i, SWM_S_COLOR_BAR_BORDER);
+ else if (!varmatch(var, "bar_color", &i))
+ setscreencolor(val, i, SWM_S_COLOR_BAR);
+ else if (!varmatch(var, "bar_font_color", &i))
+ setscreencolor(val, i, SWM_S_COLOR_BAR_FONT);
+ else if (!strncmp(var, "bar_font", strlen("bar_font")))
+ asprintf(&bar_fonts[0], "%s", val);
+ else if (!strncmp(var, "bar_action", strlen("bar_action")))
+ asprintf(&bar_argv[0], "%s", val);
+ else if (!strncmp(var, "bar_delay", strlen("bar_delay")))
+ bar_delay = atoi(val);
+ else
+ goto bad;
+ break;
+
+ case 'c':
+ if (!varmatch(var, "color_focus", &i))
+ setscreencolor(val, i, SWM_S_COLOR_FOCUS);
+ else if (!varmatch(var, "color_unfocus", &i))
+ setscreencolor(val, i, SWM_S_COLOR_UNFOCUS);
+ else if (!strncmp(var, "cycle_empty", strlen("cycle_empty")))
+ cycle_visible = atoi(val);
+ else if (!strncmp(var, "cycle_visible", strlen("cycle_visible")))
+ cycle_visible = atoi(val);
+ else
+ goto bad;
+ break;
+
+ case 'd':
+ if (!strncmp(var, "dialog_ratio",
+ strlen("dialog_ratio"))) {
+ dialog_ratio = atof(val);
+ if (dialog_ratio > 1.0 || dialog_ratio <= .3)
+ dialog_ratio = .6;
+ } else
+ goto bad;
+ break;
+
+ case 's':
+ if (!strncmp(var, "spawn_term", strlen("spawn_term")))
+ asprintf(&spawn_term[0], "%s", val);
+ if (!strncmp(var, "screenshot_enabled",
+ strlen("screenshot_enabled")))
+ ss_enabled = atoi(val);
+ if (!strncmp(var, "screenshot_app",
+ strlen("screenshot_app")))
+ asprintf(&spawn_screenshot[0], "%s", val);
+ break;
+ default:
+ goto bad;
+ }
+ free(line);
+ }
+
+ fclose(config);
+ return (0);
+
+bad:
+ errx(1, "invalid conf file entry: %s=%s", var, val);
+}
+
+void
+socket_setnonblock(int fd)
+{
+ int flags;
+
+ if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
+ err(1, "fcntl F_GETFL");
+ flags |= O_NONBLOCK;
+ if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
+ err(1, "fcntl F_SETFL");
+}
+
+void
+bar_print(struct swm_region *r, char *s)
+{
+ XClearWindow(display, r->bar_window);
+ XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
+ XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
+ strlen(s));
+}
+
+void
+bar_extra_stop(void)
+{
+ if (bar_pipe[0]) {
+ close(bar_pipe[0]);
+ bzero(bar_pipe, sizeof bar_pipe);
+ }
+ if (bar_pid) {
+ kill(bar_pid, SIGTERM);
+ bar_pid = 0;
+ }
+ strlcpy(bar_ext, "", sizeof bar_ext);
+ bar_extra = 0;
+}
+
+void
+bar_update(void)
+{
+ time_t tmt;
+ struct tm tm;
+ struct swm_region *r;
+ int i, x;
+ size_t len;
+ char s[SWM_BAR_MAX];
+ char loc[SWM_BAR_MAX];
+ char *b;
+
+ if (bar_enabled == 0)
+ return;
+
+ if (bar_extra && bar_extra_running) {
+ /* ignore short reads; it'll correct itself */
+ while ((b = fgetln(stdin, &len)) != NULL)
+ if (b && b[len - 1] == '\n') {
+ b[len - 1] = '\0';
+ strlcpy(bar_ext, b, sizeof bar_ext);
+ }
+ if (b == NULL && errno != EAGAIN) {
+ fprintf(stderr, "bar_extra failed: errno: %d %s\n",
+ errno, strerror(errno));
+ bar_extra_stop();
+ }
+ } else
+ strlcpy(bar_ext, "", sizeof bar_ext);
+
+ time(&tmt);
+ localtime_r(&tmt, &tm);
+ strftime(s, sizeof s, "%a %b %d %R %Z %Y", &tm);
+ for (i = 0; i < ScreenCount(display); i++) {
+ x = 1;
+ TAILQ_FOREACH(r, &screens[i].rl, entry) {
+ snprintf(loc, sizeof loc, "%s %d:%d %s %s",
+ s, x++, r->ws->idx + 1, bar_ext, bar_vertext);
+ bar_print(r, loc);
+ }
+ }
+ XSync(display, False);
+ alarm(bar_delay);
+}
+
+void
+bar_signal(int sig)
+{
+ bar_alarm = 1;
+}
+
+void
+bar_toggle(struct swm_region *r, union arg *args)
+{
+ struct swm_region *tmpr;
+ int i, j, sc = ScreenCount(display);
+
+ DNPRINTF(SWM_D_MISC, "bar_toggle\n");
+
+ if (bar_enabled) {
+ for (i = 0; i < sc; i++)
+ TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
+ XUnmapWindow(display, tmpr->bar_window);
+ } else {
+ for (i = 0; i < sc; i++)
+ TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
+ XMapRaised(display, tmpr->bar_window);
+ }
+ bar_enabled = !bar_enabled;
+ XSync(display, False);
+ for (i = 0; i < sc; i++)
+ for (j = 0; j < SWM_WS_MAX; j++)
+ screens[i].ws[j].restack = 1;
+
+ stack();
+ /* must be after stack */
+ for (i = 0; i < sc; i++)
+ TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
+ bar_update();
+}
+
+void
+bar_refresh(void)
+{
+ XSetWindowAttributes wa;
+ struct swm_region *r;
+ int i;
+
+ /* do this here because the conf file is in memory */
+ if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
+ /* launch external status app */
+ bar_extra_running = 1;
+ if (pipe(bar_pipe) == -1)
+ err(1, "pipe error");
+ socket_setnonblock(bar_pipe[0]);
+ socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
+ if (dup2(bar_pipe[0], 0) == -1)
+ errx(1, "dup2");
+ if (dup2(bar_pipe[1], 1) == -1)
+ errx(1, "dup2");
+ if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
+ err(1, "could not disable SIGPIPE");
+ switch (bar_pid = fork()) {
+ case -1:
+ err(1, "cannot fork");
+ break;
+ case 0: /* child */
+ close(bar_pipe[0]);
+ execvp(bar_argv[0], bar_argv);
+ err(1, "%s external app failed", bar_argv[0]);
+ break;
+ default: /* parent */
+ close(bar_pipe[1]);
+ break;
+ }
+ }
+
+ bzero(&wa, sizeof wa);
+ for (i = 0; i < ScreenCount(display); i++)
+ TAILQ_FOREACH(r, &screens[i].rl, entry) {
+ wa.border_pixel =
+ screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
+ wa.background_pixel =
+ screens[i].c[SWM_S_COLOR_BAR].color;
+ XChangeWindowAttributes(display, r->bar_window,
+ CWBackPixel | CWBorderPixel, &wa);
+ }
+ bar_update();
+}
+
+void
+bar_setup(struct swm_region *r)
+{
+ int i;
+
+ for (i = 0; bar_fonts[i] != NULL; i++) {
+ bar_fs = XLoadQueryFont(display, bar_fonts[i]);
+ if (bar_fs) {
+ bar_fidx = i;
+ break;
+ }
+ }
+ if (bar_fonts[i] == NULL)
+ errx(1, "couldn't load font");
+ bar_height = bar_fs->ascent + bar_fs->descent + 3;
+
+ r->bar_window = XCreateSimpleWindow(display,
+ r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
+ 1, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
+ r->s->c[SWM_S_COLOR_BAR].color);
+ bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
+ XSetFont(display, bar_gc, bar_fs->fid);
+ XSelectInput(display, r->bar_window, VisibilityChangeMask);
+ if (bar_enabled)
+ XMapRaised(display, r->bar_window);
+ DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
+
+ if (signal(SIGALRM, bar_signal) == SIG_ERR)
+ err(1, "could not install bar_signal");
+ bar_refresh();
+}
+
+void
+version(struct swm_region *r, union arg *args)
+{
+ bar_version = !bar_version;
+ if (bar_version)
+ strlcpy(bar_vertext, cvstag, sizeof bar_vertext);
+ else
+ strlcpy(bar_vertext, "", sizeof bar_vertext);
+ bar_update();
+}
+
+void
+config_win(struct ws_win *win)
+{
+ XConfigureEvent ce;
+
+ DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
+ win->id, win->g.x, win->g.y, win->g.w, win->g.h);
+ ce.type = ConfigureNotify;
+ ce.display = display;
+ ce.event = win->id;
+ ce.window = win->id;
+ ce.x = win->g.x;
+ ce.y = win->g.y;
+ ce.width = win->g.w;
+ ce.height = win->g.h;
+ ce.border_width = 1; /* XXX store this! */
+ ce.above = None;
+ ce.override_redirect = False;
+ XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
+}
+
+int
+count_win(struct workspace *ws, int count_transient)
+{
+ struct ws_win *win;
+ int count = 0;
+
+ TAILQ_FOREACH(win, &ws->winlist, entry) {
+ if (count_transient == 0 && win->floating)
+ continue;
+ if (count_transient == 0 && win->transient)
+ continue;
+ count++;
+ }
+ DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
+
+ return (count);
+}
+
+void
+quit(struct swm_region *r, union arg *args)
+{
+ DNPRINTF(SWM_D_MISC, "quit\n");
+ running = 0;
+}
+
+void
+unmap_all(void)
+{
+ struct ws_win *win;
+ int i, j;
+
+ for (i = 0; i < ScreenCount(display); i++)
+ for (j = 0; j < SWM_WS_MAX; j++)
+ TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
+ XUnmapWindow(display, win->id);
+}
+
+void
+restart(struct swm_region *r, union arg *args)
+{
+ DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
+
+ /* disable alarm because the following code may not be interrupted */
+ alarm(0);
+ if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
+ errx(1, "can't disable alarm");
+
+ bar_extra_stop();
+ bar_extra = 1;
+ unmap_all();
+ XCloseDisplay(display);
+ execvp(start_argv[0], start_argv);
+ fprintf(stderr, "execvp failed\n");
+ perror(" failed");
+ quit(NULL, NULL);
+}
+
+struct swm_region *
+root_to_region(Window root)
+{
+ struct swm_region *r;
+ Window rr, cr;
+ int i, x, y, wx, wy;
+ unsigned int mask;
+
+ for (i = 0; i < ScreenCount(display); i++)
+ if (screens[i].root == root)
+ break;
+
+ if (XQueryPointer(display, screens[i].root,
+ &rr, &cr, &x, &y, &wx, &wy, &mask) == False) {
+ /* if we can't query the pointer, grab the first region */
+ r = TAILQ_FIRST(&screens[i].rl);
+ } else {
+ /* otherwise, choose a region based on pointer location */
+ TAILQ_FOREACH(r, &screens[i].rl, entry) {
+ if (x >= X(r) && x <= X(r) + WIDTH(r) &&
+ y >= Y(r) && y <= Y(r) + HEIGHT(r))
+ break;
+ }
+
+ if (r == NULL)
+ r = TAILQ_FIRST(&screens[i].rl);
+ }
+ return (r);
+}
+
+struct ws_win *
+find_window(Window id)
+{
+ struct ws_win *win;
+ int i, j;
+
+ for (i = 0; i < ScreenCount(display); i++)
+ for (j = 0; j < SWM_WS_MAX; j++)
+ TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
+ if (id == win->id)
+ return (win);
+ return (NULL);
+}
+
+void
+spawn(struct swm_region *r, union arg *args)
+{
+ char *ret;
+ int si;
+
+ DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
+ /*
+ * The double-fork construct avoids zombie processes and keeps the code
+ * clean from stupid signal handlers.
+ */
+ if (fork() == 0) {
+ if (fork() == 0) {
+ if (display)
+ close(ConnectionNumber(display));
+ setenv("LD_PRELOAD", SWM_LIB, 1);
+ if (asprintf(&ret, "%d", r->ws->idx)) {
+ setenv("_SWM_WS", ret, 1);
+ free(ret);
+ }
+ if (asprintf(&ret, "%d", getpid())) {
+ setenv("_SWM_PID", ret, 1);
+ free(ret);
+ }
+ setsid();
+ /* kill stdin, mplayer, ssh-add etc. need that */
+ si = open("/dev/null", O_RDONLY, 0);
+ if (si == -1)
+ err(1, "open /dev/null");
+ if (dup2(si, 0) == -1)
+ err(1, "dup2 /dev/null");
+ execvp(args->argv[0], args->argv);
+ fprintf(stderr, "execvp failed\n");
+ perror(" failed");
+ }
+ exit(0);
+ }
+ wait(0);
+}
+
+void
+spawnmenu(struct swm_region *r, union arg *args)
+{
+ DNPRINTF(SWM_D_MISC, "spawnmenu\n");
+
+ spawn_menu[SWM_MENU_FN] = bar_fonts[bar_fidx];
+ spawn_menu[SWM_MENU_NB] = r->s->c[SWM_S_COLOR_BAR].name;
+ spawn_menu[SWM_MENU_NF] = r->s->c[SWM_S_COLOR_BAR_FONT].name;
+ spawn_menu[SWM_MENU_SB] = r->s->c[SWM_S_COLOR_BAR_BORDER].name;
+ spawn_menu[SWM_MENU_SF] = r->s->c[SWM_S_COLOR_BAR].name;
+
+ spawn(r, args);
+}
+
+void
+unfocus_all(void)
+{
+ struct ws_win *win;
+ int i, j;
+
+ DNPRINTF(SWM_D_FOCUS, "unfocus_all:\n");
+
+ for (i = 0; i < ScreenCount(display); i++)
+ for (j = 0; j < SWM_WS_MAX; j++)
+ TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
+ if (win->ws->r == NULL)
+ continue;
+ grabbuttons(win, 0);
+ XSetWindowBorder(display, win->id,
+ win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
+ win->got_focus = 0;
+ win->ws->focus = NULL;
+ cur_focus = NULL;
+ }
+}
+
+void
+focus_win(struct ws_win *win)
+{
+ DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
+
+ if (win == NULL)
+ return;
+
+ unfocus_all();
+ win->ws->focus = win;
+ if (win->ws->r != NULL) {
+ cur_focus = win;
+ if (!win->got_focus) {
+ XSetWindowBorder(display, win->id,
+ win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
+ grabbuttons(win, 1);
+ }
+ win->got_focus = 1;
+ XSetInputFocus(display, win->id,
+ RevertToPointerRoot, CurrentTime);
+ }
+}
+
+void
+switchws(struct swm_region *r, union arg *args)
+{
+ int wsid = args->id;
+ struct swm_region *this_r, *other_r;
+ struct ws_win *win;
+ struct workspace *new_ws, *old_ws;
+
+ this_r = r;
+ old_ws = this_r->ws;
+ new_ws = &this_r->s->ws[wsid];
+
+ DNPRINTF(SWM_D_WS, "switchws screen %d region %dx%d+%d+%d: "
+ "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
+ old_ws->idx, wsid);
+
+ if (new_ws == old_ws)
+ return;
+
+ other_r = new_ws->r;
+ if (!other_r) {
+ /* if the other workspace is hidden, switch windows */
+ /* map new window first to prevent ugly blinking */
+ TAILQ_FOREACH(win, &new_ws->winlist, entry)
+ XMapRaised(display, win->id);
+
+ TAILQ_FOREACH(win, &old_ws->winlist, entry)
+ XUnmapWindow(display, win->id);
+ old_ws->r = NULL;
+ old_ws->restack = 1;
+ } else {
+ other_r->ws = old_ws;
+ old_ws->r = other_r;
+ }
+ this_r->ws = new_ws;
+ new_ws->r = this_r;
+
+ ignore_enter = 1;
+ /* set focus */
+ if (new_ws->focus)
+ focus_win(new_ws->focus);
+ stack();
+ bar_update();
+}
+
+void
+cyclews(struct swm_region *r, union arg *args)
+{
+ union arg a;
+ struct swm_screen *s = r->s;
+
+ DNPRINTF(SWM_D_WS, "cyclews id %d "
+ "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
+ r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
+
+ a.id = r->ws->idx;
+ do {
+ switch (args->id) {
+ case SWM_ARG_ID_CYCLEWS_UP:
+ if (a.id < SWM_WS_MAX - 1)
+ a.id++;
+ else
+ a.id = 0;
+ break;
+ case SWM_ARG_ID_CYCLEWS_DOWN:
+ if (a.id > 0)
+ a.id--;
+ else
+ a.id = SWM_WS_MAX - 1;
+ break;
+ default:
+ return;
+ };
+
+ if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
+ continue;
+ if (cycle_visible == 0 && s->ws[a.id].r != NULL)
+ continue;
+
+ switchws(r, &a);
+ } while (a.id != r->ws->idx);
+}
+
+void
+cyclescr(struct swm_region *r, union arg *args)
+{
+ struct swm_region *rr;
+ int i;
+
+ i = r->s->idx;
+ switch (args->id) {
+ case SWM_ARG_ID_CYCLESC_UP:
+ rr = TAILQ_NEXT(r, entry);
+ if (rr == NULL)
+ rr = TAILQ_FIRST(&screens[i].rl);
+ break;
+ case SWM_ARG_ID_CYCLESC_DOWN:
+ rr = TAILQ_PREV(r, swm_region_list, entry);
+ if (rr == NULL)
+ rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
+ break;
+ default:
+ return;
+ };
+ unfocus_all();
+ XSetInputFocus(display, PointerRoot, RevertToPointerRoot, CurrentTime);
+ XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, rr->g.x,
+ rr->g.y + bar_enabled ? bar_height : 0);
+}
+
+void
+swapwin(struct swm_region *r, union arg *args)
+{
+ struct ws_win *target;
+ struct ws_win_list *wl;
+
+
+ DNPRINTF(SWM_D_WS, "swapwin id %d "
+ "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
+ r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
+ if (cur_focus == NULL)
+ return;
+
+ wl = &cur_focus->ws->winlist;
+
+ switch (args->id) {
+ case SWM_ARG_ID_SWAPPREV:
+ target = TAILQ_PREV(cur_focus, ws_win_list, entry);
+ TAILQ_REMOVE(wl, cur_focus, entry);
+ if (target == NULL)
+ TAILQ_INSERT_TAIL(wl, cur_focus, entry);
+ else
+ TAILQ_INSERT_BEFORE(target, cur_focus, entry);
+ break;
+ case SWM_ARG_ID_SWAPNEXT:
+ target = TAILQ_NEXT(cur_focus, entry);
+ TAILQ_REMOVE(wl, cur_focus, entry);
+ if (target == NULL)
+ TAILQ_INSERT_HEAD(wl, cur_focus, entry);
+ else
+ TAILQ_INSERT_AFTER(wl, target, cur_focus, entry);
+ break;
+ case SWM_ARG_ID_SWAPMAIN:
+ target = TAILQ_FIRST(wl);
+ if (target == cur_focus)
+ return;
+ TAILQ_REMOVE(wl, target, entry);
+ TAILQ_INSERT_BEFORE(cur_focus, target, entry);
+ TAILQ_REMOVE(wl, cur_focus, entry);
+ TAILQ_INSERT_HEAD(wl, cur_focus, entry);
+ break;
+ default:
+ DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
+ return;
+ }
+
+ ignore_enter = 2;
+ stack();
+}
+
+void
+focus(struct swm_region *r, union arg *args)
+{
+ struct ws_win *winfocus, *winlostfocus;
+ struct ws_win_list *wl;
+
+ DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
+ if (cur_focus == NULL)
+ return;
+
+ wl = &cur_focus->ws->winlist;
+
+ winlostfocus = cur_focus;
+
+ switch (args->id) {
+ case SWM_ARG_ID_FOCUSPREV:
+ winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
+ if (winfocus == NULL)
+ winfocus = TAILQ_LAST(wl, ws_win_list);
+ break;
+
+ case SWM_ARG_ID_FOCUSNEXT:
+ winfocus = TAILQ_NEXT(cur_focus, entry);
+ if (winfocus == NULL)
+ winfocus = TAILQ_FIRST(wl);
+ break;
+
+ case SWM_ARG_ID_FOCUSMAIN:
+ winfocus = TAILQ_FIRST(wl);
+ break;
+
+ default:
+ return;
+ }
+
+ if (winfocus == winlostfocus || winfocus == NULL)
+ return;
+
+ XMapRaised(display, winfocus->id);
+ focus_win(winfocus);
+ XSync(display, False);
+}
+
+void
+cycle_layout(struct swm_region *r, union arg *args)
+{
+ struct workspace *ws = r->ws;
+
+ DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
+
+ ws->cur_layout++;
+ if (ws->cur_layout->l_stack == NULL)
+ ws->cur_layout = &layouts[0];
+ ignore_enter = 1;
+ stack();
+}
+
+void
+stack_config(struct swm_region *r, union arg *args)
+{
+ struct workspace *ws = r->ws;
+
+ DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
+ args->id, ws->idx);
+
+ if (ws->cur_layout->l_config != NULL)
+ ws->cur_layout->l_config(ws, args->id);
+
+ if (args->id != SWM_ARG_ID_STACKINIT);
+ stack();
+}
+
+void
+stack(void) {
+ struct swm_geometry g;
+ struct swm_region *r;
+ int i, j;
+
+ DNPRINTF(SWM_D_STACK, "stack\n");
+
+ for (i = 0; i < ScreenCount(display); i++) {
+ j = 0;
+ TAILQ_FOREACH(r, &screens[i].rl, entry) {
+ DNPRINTF(SWM_D_STACK, "stacking workspace %d "
+ "(screen %d, region %d)\n", r->ws->idx, i, j++);
+
+ /* start with screen geometry, adjust for bar */
+ g = r->g;
+ g.w -= 2;
+ g.h -= 2;
+ if (bar_enabled) {
+ g.y += bar_height;
+ g.h -= bar_height;
+ }
+
+ r->ws->restack = 0;
+ r->ws->cur_layout->l_stack(r->ws, &g);
+ }
+ }
+ XSync(display, False);
+}
+
+void
+stack_floater(struct ws_win *win, struct swm_region *r)
+{
+ unsigned int mask;
+ XWindowChanges wc;
+
+ bzero(&wc, sizeof wc);
+ mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
+ wc.border_width = 1;
+ if (win->transient) {
+ win->g.w = (double)WIDTH(r) * dialog_ratio;
+ win->g.h = (double)HEIGHT(r) * dialog_ratio;
+ }
+ wc.width = win->g.w;
+ wc.height = win->g.h;
+ if (win->manual) {
+ wc.x = win->g.x;
+ wc.y = win->g.y;
+ } else {
+ wc.x = (WIDTH(r) - win->g.w) / 2;
+ wc.y = (HEIGHT(r) - win->g.h) / 2;
+ }
+
+ DNPRINTF(SWM_D_STACK, "stack_floater: win %lu x %d y %d w %d h %d\n",
+ win->id, wc.x, wc.y, wc.width, wc.height);
+
+ XConfigureWindow(display, win->id, mask, &wc);
+}
+
+#define SWAPXY(g) do { \
+ int tmp; \
+ tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp; \
+ tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp; \
+} while (0)
+void
+stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
+{
+ XWindowChanges wc;
+ struct swm_geometry win_g, r_g = *g;
+ struct ws_win *win, *winfocus;
+ int i, j, w_inc, h_inc, w_base, h_base;
+ int hrh, extra, h_slice, last_h = 0;
+ int split, colno, winno, mwin, msize, mscale;
+ int remain, missing, v_slice;;
+ unsigned int mask;
+
+ DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
+ ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
+
+ if ((winno = count_win(ws, 0)) == 0)
+ return;
+
+ if (ws->focus == NULL)
+ ws->focus = TAILQ_FIRST(&ws->winlist);
+ winfocus = cur_focus ? cur_focus : ws->focus;
+
+ win = TAILQ_FIRST(&ws->winlist);
+ if (rot) {
+ w_inc = win->sh.width_inc;
+ w_base = win->sh.base_width;
+ mwin = ws->l_state.horizontal_mwin;
+ mscale = ws->l_state.horizontal_msize;
+ SWAPXY(&r_g);
+ } else {
+ w_inc = win->sh.height_inc;
+ w_base = win->sh.base_height;
+ mwin = ws->l_state.vertical_mwin;
+ mscale = ws->l_state.vertical_msize;
+ }
+ win_g = r_g;
+
+ h_slice = r_g.h / SWM_H_SLICE;
+ if (mwin && winno > mwin) {
+ v_slice = r_g.w / SWM_V_SLICE;
+
+ split = mwin;
+ colno = split;
+ msize = v_slice * mscale;
+
+ if (w_inc > 1 && w_inc < v_slice) {
+ /* adjust for window's requested size increment */
+ remain = (win_g.w - w_base) % w_inc;
+ missing = w_inc - remain;
+
+ if (missing <= extra || j == 0) {
+ extra -= missing;
+ win_g.w += missing;
+ } else {
+ win_g.w -= remain;
+ extra += remain;
+ }
+ }
+
+ win_g.w = msize;
+ if (flip)
+ win_g.x += r_g.w - msize;
+ } else {
+ colno = winno;
+ split = 0;
+ }
+ hrh = r_g.h / colno;
+ extra = r_g.h - (colno * hrh);
+ win_g.h = hrh - 2;
+
+ /* stack all the tiled windows */
+ i = j = 0;
+ TAILQ_FOREACH(win, &ws->winlist, entry) {
+ if (win->transient != 0 || win->floating != 0)
+ continue;
+
+ if (split && i == split) {
+ colno = winno - split;
+ hrh = (r_g.h / colno);
+ extra = r_g.h - (colno * hrh);
+ if (flip)
+ win_g.x = r_g.x;
+ else
+ win_g.x += msize + 2;
+ win_g.w = r_g.w - (msize + 2);
+ j = 0;
+ }
+ win_g.h = hrh - 2;
+ if (rot) {
+ h_inc = win->sh.width_inc;
+ h_base = win->sh.base_width;
+ } else {
+ h_inc = win->sh.height_inc;
+ h_base = win->sh.base_height;
+ }
+ if (j == colno - 1) {
+ win_g.h = hrh + extra;
+ } else if (h_inc > 1 && h_inc < h_slice) {
+ /* adjust for window's requested size increment */
+ remain = (win_g.h - h_base) % h_inc;
+ missing = h_inc - remain;
+
+ if (missing <= extra || j == 0) {
+ extra -= missing;
+ win_g.h += missing;
+ } else {
+ win_g.h -= remain;
+ extra += remain;
+ }
+ }
+
+ if (j == 0)
+ win_g.y = r_g.y;
+ else
+ win_g.y += last_h + 2;
+
+ bzero(&wc, sizeof wc);
+ wc.border_width = 1;
+ if (rot) {
+ win->g.x = wc.x = win_g.y;
+ win->g.y = wc.y = win_g.x;
+ win->g.w = wc.width = win_g.h;
+ win->g.h = wc.height = win_g.w;
+ } else {
+ win->g.x = wc.x = win_g.x;
+ win->g.y = wc.y = win_g.y;
+ win->g.w = wc.width = win_g.w;
+ win->g.h = wc.height = win_g.h;
+ }
+ mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
+ XConfigureWindow(display, win->id, mask, &wc);
+ XMapRaised(display, win->id);
+ /*
+ fprintf(stderr, "vertical_stack: win %d x %d y %d w %d h %d bw %d\n", win->id, win->g.x, win->g.y, win->g.w , win->g.h, wc.border_width);
+ */
+
+ last_h = win_g.h;
+ i++;
+ j++;
+ }
+
+ /* now, stack all the floaters and transients */
+ TAILQ_FOREACH(win, &ws->winlist, entry) {
+ if (win->transient == 0 && win->floating == 0)
+ continue;
+
+ stack_floater(win, ws->r);
+ XMapRaised(display, win->id);
+ }
+
+ if (winfocus)
+ focus_win(winfocus); /* has to be done outside of the loop */
+}
+
+void
+vertical_config(struct workspace *ws, int id)
+{
+ DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
+
+ switch (id) {
+ case SWM_ARG_ID_STACKRESET:
+ case SWM_ARG_ID_STACKINIT:
+ ws->l_state.vertical_msize = SWM_V_SLICE / 2;
+ ws->l_state.vertical_mwin = 1;
+ break;
+ case SWM_ARG_ID_MASTERSHRINK:
+ if (ws->l_state.vertical_msize > 1)
+ ws->l_state.vertical_msize--;
+ break;
+ case SWM_ARG_ID_MASTERGROW:
+ if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
+ ws->l_state.vertical_msize++;
+ break;
+ case SWM_ARG_ID_MASTERADD:
+ ws->l_state.vertical_mwin++;
+ break;
+ case SWM_ARG_ID_MASTERDEL:
+ if (ws->l_state.vertical_mwin > 0)
+ ws->l_state.vertical_mwin--;
+ break;
+ default:
+ return;
+ }
+}
+
+void
+vertical_stack(struct workspace *ws, struct swm_geometry *g)
+{
+ DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
+
+ stack_master(ws, g, 0, 0);
+}
+
+void
+horizontal_config(struct workspace *ws, int id)
+{
+ DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
+
+ switch (id) {
+ case SWM_ARG_ID_STACKRESET:
+ case SWM_ARG_ID_STACKINIT:
+ ws->l_state.horizontal_mwin = 1;
+ ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
+ break;
+ case SWM_ARG_ID_MASTERSHRINK:
+ if (ws->l_state.horizontal_msize > 1)
+ ws->l_state.horizontal_msize--;
+ break;
+ case SWM_ARG_ID_MASTERGROW:
+ if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
+ ws->l_state.horizontal_msize++;
+ break;
+ case SWM_ARG_ID_MASTERADD:
+ ws->l_state.horizontal_mwin++;
+ break;
+ case SWM_ARG_ID_MASTERDEL:
+ if (ws->l_state.horizontal_mwin > 0)
+ ws->l_state.horizontal_mwin--;
+ break;
+ default:
+ return;
+ }
+}
+