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renamed manage.c to view.c
[dwm.git] / view.c
diff --git a/view.c b/view.c
index cd07b94..34aae58 100644 (file)
--- a/view.c
+++ b/view.c
@@ -2,10 +2,88 @@
  * 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 *prop;
+       const char *tags;
+       Bool isfloat;
+} Rule;
+
+typedef struct {
+       regex_t *propregex;
+       regex_t *tagregex;
+} Regexps;
+
+TAGS
+RULES
+
+static Regexps *regexps = 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 (*arrange)(void) = DEFMODE;
+void
+compileregexps(void) {
+       unsigned int i;
+       regex_t *reg;
+
+       if(regexps)
+               return;
+       len = sizeof rule / sizeof rule[0];
+       regexps = emallocz(len * sizeof(Regexps));
+       for(i = 0; i < len; i++) {
+               if(rule[i].prop) {
+                       reg = emallocz(sizeof(regex_t));
+                       if(regcomp(reg, rule[i].prop, REG_EXTENDED))
+                               free(reg);
+                       else
+                               regexps[i].propregex = reg;
+               }
+               if(rule[i].tags) {
+                       reg = emallocz(sizeof(regex_t));
+                       if(regcomp(reg, rule[i].tags, REG_EXTENDED))
+                               free(reg);
+                       else
+                               regexps[i].tagregex = reg;
+               }
+       }
+}
 
 void
 dofloat(void) {
@@ -29,37 +107,68 @@ dofloat(void) {
        }
        restack();
 }
-
 void
-focusnext(Arg *arg) {
+dotile(void) {
+       unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
        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) {
+
+       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();
        }
+       restack();
 }
 
 void
-focusprev(Arg *arg) {
-       Client *c;
-
-       if(!sel)
+incnmaster(Arg *arg) {
+       if((arrange == dofloat) || (nmaster + arg->i < 1)
+       || (wah / (nmaster + arg->i) <= 2 * BORDERPX))
                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();
-       }
+       nmaster += arg->i;
+       if(sel)
+               arrange();
+       else
+               drawstatus();
 }
 
 Bool
@@ -72,10 +181,19 @@ isvisible(Client *c) {
        return False;
 }
 
-Client *
-nextmanaged(Client *c) {
-       for(; c && (c->isfloat || !isvisible(c)); c = c->next);
-       return c;
+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
@@ -102,6 +220,55 @@ restack(void) {
 }
 
 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(regexps[i].propregex && !regexec(regexps[i].propregex, prop, 1, &tmp, 0)) {
+                               c->isfloat = rule[i].isfloat;
+                               for(j = 0; regexps[i].tagregex && j < ntags; j++) {
+                                       if(!regexec(regexps[i].tagregex, 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;
@@ -110,6 +277,19 @@ togglefloat(Arg *arg) {
 }
 
 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)
@@ -140,3 +320,25 @@ view(Arg *arg) {
        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();
+}