--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/manage.c Mon Feb 19 14:44:05 2007 +0100
@@ -0,0 +1,418 @@
+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
+ * See LICENSE file for license details.
+ */
+#include "dwm.h"
+#include <regex.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <X11/Xutil.h>
+
+void (*arrange)(void) = DEFMODE;
+unsigned int master = MASTER;
+unsigned int nmaster = NMASTER;
+
+/* static */
+
+typedef struct {
+ const char *clpattern;
+ const char *tpattern;
+ Bool isfloat;
+} Rule;
+
+typedef struct {
+ regex_t *clregex;
+ regex_t *tregex;
+} RReg;
+
+TAGS
+RULES
+
+static RReg *rreg = NULL;
+static unsigned int len = 0;
+
+static Client *
+nextmanaged(Client *c) {
+ for(; c && (c->isfloat || !isvisible(c)); c = c->next);
+ return c;
+}
+
+static void
+togglemax(Client *c) {
+ XEvent ev;
+
+ if(c->isfixed)
+ return;
+ if((c->ismax = !c->ismax)) {
+ c->rx = c->x;
+ c->ry = c->y;
+ c->rw = c->w;
+ c->rh = c->h;
+ resize(c, wax, way, waw - 2 * BORDERPX, wah - 2 * BORDERPX, True);
+ }
+ else
+ resize(c, c->rx, c->ry, c->rw, c->rh, True);
+ while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
+
+/* extern */
+
+void
+attach(Client *c) {
+ if(clients)
+ clients->prev = c;
+ c->next = clients;
+ clients = c;
+}
+
+void
+attachstack(Client *c) {
+ c->snext = stack;
+ stack = c;
+}
+
+void
+compileregexps(void) {
+ unsigned int i;
+ regex_t *reg;
+
+ if(rreg)
+ return;
+ len = sizeof rule / sizeof rule[0];
+ rreg = emallocz(len * sizeof(RReg));
+ for(i = 0; i < len; i++) {
+ if(rule[i].clpattern) {
+ reg = emallocz(sizeof(regex_t));
+ if(regcomp(reg, rule[i].clpattern, REG_EXTENDED))
+ free(reg);
+ else
+ rreg[i].clregex = reg;
+ }
+ if(rule[i].tpattern) {
+ reg = emallocz(sizeof(regex_t));
+ if(regcomp(reg, rule[i].tpattern, REG_EXTENDED))
+ free(reg);
+ else
+ rreg[i].tregex = reg;
+ }
+ }
+}
+
+void
+detach(Client *c) {
+ if(c->prev)
+ c->prev->next = c->next;
+ if(c->next)
+ c->next->prev = c->prev;
+ if(c == clients)
+ clients = c->next;
+ c->next = c->prev = NULL;
+}
+
+void
+detachstack(Client *c) {
+ Client **tc;
+ for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
+ *tc = c->snext;
+}
+
+void
+dofloat(void) {
+ Client *c;
+
+ for(c = clients; c; c = c->next) {
+ if(isvisible(c)) {
+ if(c->isbanned)
+ XMoveWindow(dpy, c->win, c->x, c->y);
+ c->isbanned = False;
+ resize(c, c->x, c->y, c->w, c->h, True);
+ }
+ else {
+ c->isbanned = True;
+ XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+ }
+ }
+ if(!sel || !isvisible(sel)) {
+ for(c = stack; c && !isvisible(c); c = c->snext);
+ focus(c);
+ }
+ restack();
+}
+void
+dotile(void) {
+ unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
+ Client *c;
+
+ for(n = 0, c = nextmanaged(clients); c; c = nextmanaged(c->next))
+ n++;
+ /* window geoms */
+ mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
+ mw = (n > nmaster) ? (waw * master) / 1000 : waw;
+ th = (n > nmaster) ? wah / (n - nmaster) : 0;
+ tw = waw - mw;
+
+ for(i = 0, c = clients; c; c = c->next)
+ if(isvisible(c)) {
+ if(c->isbanned)
+ XMoveWindow(dpy, c->win, c->x, c->y);
+ c->isbanned = False;
+ if(c->isfloat)
+ continue;
+ c->ismax = False;
+ nx = wax;
+ ny = way;
+ if(i < nmaster) {
+ ny += i * mh;
+ nw = mw - 2 * BORDERPX;
+ nh = mh - 2 * BORDERPX;
+ }
+ else { /* tile window */
+ nx += mw;
+ nw = tw - 2 * BORDERPX;
+ if(th > 2 * BORDERPX) {
+ ny += (i - nmaster) * th;
+ nh = th - 2 * BORDERPX;
+ }
+ else /* fallback if th <= 2 * BORDERPX */
+ nh = wah - 2 * BORDERPX;
+ }
+ resize(c, nx, ny, nw, nh, False);
+ i++;
+ }
+ else {
+ c->isbanned = True;
+ XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+ }
+ if(!sel || !isvisible(sel)) {
+ for(c = stack; c && !isvisible(c); c = c->snext);
+ focus(c);
+ }
+ restack();
+}
+
+void
+focusnext(Arg *arg) {
+ Client *c;
+
+ if(!sel)
+ return;
+ for(c = sel->next; c && !isvisible(c); c = c->next);
+ if(!c)
+ for(c = clients; c && !isvisible(c); c = c->next);
+ if(c) {
+ focus(c);
+ restack();
+ }
+}
+
+void
+focusprev(Arg *arg) {
+ Client *c;
+
+ if(!sel)
+ return;
+ for(c = sel->prev; c && !isvisible(c); c = c->prev);
+ if(!c) {
+ for(c = clients; c && c->next; c = c->next);
+ for(; c && !isvisible(c); c = c->prev);
+ }
+ if(c) {
+ focus(c);
+ restack();
+ }
+}
+
+Client *
+getclient(Window w) {
+ Client *c;
+
+ for(c = clients; c; c = c->next)
+ if(c->win == w)
+ return c;
+ return NULL;
+}
+
+void
+incnmaster(Arg *arg) {
+ if((arrange == dofloat) || (nmaster + arg->i < 1)
+ || (wah / (nmaster + arg->i) <= 2 * BORDERPX))
+ return;
+ nmaster += arg->i;
+ if(sel)
+ arrange();
+ else
+ drawstatus();
+}
+
+Bool
+isvisible(Client *c) {
+ unsigned int i;
+
+ for(i = 0; i < ntags; i++)
+ if(c->tags[i] && seltag[i])
+ return True;
+ return False;
+}
+
+void
+resizemaster(Arg *arg) {
+ if(arrange != dotile)
+ return;
+ if(arg->i == 0)
+ master = MASTER;
+ else {
+ if(waw * (master + arg->i) / 1000 >= waw - 2 * BORDERPX
+ || waw * (master + arg->i) / 1000 <= 2 * BORDERPX)
+ return;
+ master += arg->i;
+ }
+ arrange();
+}
+
+void
+restack(void) {
+ Client *c;
+ XEvent ev;
+
+ drawstatus();
+ if(!sel)
+ return;
+ if(sel->isfloat || arrange == dofloat)
+ XRaiseWindow(dpy, sel->win);
+ if(arrange != dofloat) {
+ if(!sel->isfloat)
+ XLowerWindow(dpy, sel->win);
+ for(c = nextmanaged(clients); c; c = nextmanaged(c->next)) {
+ if(c == sel)
+ continue;
+ XLowerWindow(dpy, c->win);
+ }
+ }
+ XSync(dpy, False);
+ while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
+
+void
+settags(Client *c, Client *trans) {
+ char prop[512];
+ unsigned int i, j;
+ regmatch_t tmp;
+ Bool matched = trans != NULL;
+ XClassHint ch = { 0 };
+
+ if(matched)
+ for(i = 0; i < ntags; i++)
+ c->tags[i] = trans->tags[i];
+ else {
+ XGetClassHint(dpy, c->win, &ch);
+ snprintf(prop, sizeof prop, "%s:%s:%s",
+ ch.res_class ? ch.res_class : "",
+ ch.res_name ? ch.res_name : "", c->name);
+ for(i = 0; i < len; i++)
+ if(rreg[i].clregex && !regexec(rreg[i].clregex, prop, 1, &tmp, 0)) {
+ c->isfloat = rule[i].isfloat;
+ for(j = 0; rreg[i].tregex && j < ntags; j++) {
+ if(!regexec(rreg[i].tregex, tags[j], 1, &tmp, 0)) {
+ matched = True;
+ c->tags[j] = True;
+ }
+ }
+ }
+ if(ch.res_class)
+ XFree(ch.res_class);
+ if(ch.res_name)
+ XFree(ch.res_name);
+ }
+ if(!matched)
+ for(i = 0; i < ntags; i++)
+ c->tags[i] = seltag[i];
+}
+
+void
+tag(Arg *arg) {
+ unsigned int i;
+
+ if(!sel)
+ return;
+ for(i = 0; i < ntags; i++)
+ sel->tags[i] = (arg->i == -1) ? True : False;
+ if(arg->i >= 0 && arg->i < ntags)
+ sel->tags[arg->i] = True;
+ arrange();
+}
+
+void
+togglefloat(Arg *arg) {
+ if(!sel || arrange == dofloat)
+ return;
+ sel->isfloat = !sel->isfloat;
+ arrange();
+}
+
+void
+toggletag(Arg *arg) {
+ unsigned int i;
+
+ if(!sel)
+ return;
+ sel->tags[arg->i] = !sel->tags[arg->i];
+ for(i = 0; i < ntags && !sel->tags[i]; i++);
+ if(i == ntags)
+ sel->tags[arg->i] = True;
+ arrange();
+}
+
+void
+togglemode(Arg *arg) {
+ arrange = (arrange == dofloat) ? dotile : dofloat;
+ if(sel)
+ arrange();
+ else
+ drawstatus();
+}
+
+void
+toggleview(Arg *arg) {
+ unsigned int i;
+
+ seltag[arg->i] = !seltag[arg->i];
+ for(i = 0; i < ntags && !seltag[i]; i++);
+ if(i == ntags)
+ seltag[arg->i] = True; /* cannot toggle last view */
+ arrange();
+}
+
+void
+view(Arg *arg) {
+ unsigned int i;
+
+ for(i = 0; i < ntags; i++)
+ seltag[i] = (arg->i == -1) ? True : False;
+ if(arg->i >= 0 && arg->i < ntags)
+ seltag[arg->i] = True;
+ arrange();
+}
+
+void
+zoom(Arg *arg) {
+ unsigned int n;
+ Client *c;
+
+ if(!sel)
+ return;
+ if(sel->isfloat || (arrange == dofloat)) {
+ togglemax(sel);
+ return;
+ }
+ for(n = 0, c = nextmanaged(clients); c; c = nextmanaged(c->next))
+ n++;
+
+ if((c = sel) == nextmanaged(clients))
+ if(!(c = nextmanaged(c->next)))
+ return;
+ detach(c);
+ attach(c);
+ focus(c);
+ arrange();
+}