introduced Layout struct

[dwm.git] / screen.c

diff --git a/screen.c b/screen.c
index f2891cf..3f186e6 100644 (file)
--- a/screen.c
+++ b/screen.c
@@ -1,100 +1,320 @@
-/*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>

  * See LICENSE file for license details.
  */
  * See LICENSE file for license details.
  */

-

 #include "dwm.h"
 #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)(Arg *) = tiling;
+unsigned int master = MASTER;
+unsigned int nmaster = NMASTER;
+unsigned int blw = 0;
+Layout *lt = NULL;

 
 

-void
-view(Arg *arg)
-{
-       Client *c;
+/* static */
+
+typedef struct {
+       const char *prop;
+       const char *tags;
+       Bool isfloat;
+} Rule;
+
+typedef struct {
+       regex_t *propregex;
+       regex_t *tagregex;
+} Regs;

 
 

-       tsel = arg->i;
-       arrange(NULL);
+LAYOUTS
+TAGS
+RULES
+
+static Regs *regs = NULL;
+static unsigned int nrules = 0;
+static unsigned int nlayouts = 0;
+
+/* extern */
+
+void
+compileregs(void) {
+       unsigned int i;
+       regex_t *reg;

 
 

-       for(c = clients; c; c = next(c->next))
-               draw_client(c);
-       draw_bar();
+       if(regs)
+               return;
+       nrules = sizeof rule / sizeof rule[0];
+       regs = emallocz(nrules * sizeof(Regs));
+       for(i = 0; i < nrules; i++) {
+               if(rule[i].prop) {
+                       reg = emallocz(sizeof(regex_t));
+                       if(regcomp(reg, rule[i].prop, REG_EXTENDED))
+                               free(reg);
+                       else
+                               regs[i].propregex = reg;
+               }
+               if(rule[i].tags) {
+                       reg = emallocz(sizeof(regex_t));
+                       if(regcomp(reg, rule[i].tags, REG_EXTENDED))
+                               free(reg);
+                       else
+                               regs[i].tagregex = reg;
+               }
+       }

 }
 
 void
 }
 
 void

-floating(Arg *arg)
-{
+dofloat(void) {

        Client *c;
 
        Client *c;
 

-       arrange = floating;

        for(c = clients; c; c = c->next) {
        for(c = clients; c; c = c->next) {

-               if(c->tags[tsel])
-                       resize(c, True);
-               else
-                       ban_client(c);
-       }
-       if(sel && !sel->tags[tsel]) {
-               if((sel = next(clients))) {
-                       craise(sel);
-                       focus(sel);
+               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);

                }
        }
                }
        }

-       draw_bar();
+       if(!sel || !isvisible(sel)) {
+               for(c = stack; c && !isvisible(c); c = c->snext);
+               focus(c);
+       }
+       restack();

 }
 
 void
 }
 
 void

-tiling(Arg *arg)
-{
+dotile(void) {
+       unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;

        Client *c;
        Client *c;

-       int n, i, w, h;
-
-       w = sw - mw;
-       arrange = tiling;
-       for(n = 0, c = clients; c; c = c->next)
-               if(c->tags[tsel] && !c->floating)
-                       n++;

 
 

-       if(n > 1)
-               h = (sh - bh) / (n - 1);
-       else
-               h = sh - bh;
+       for(n = 0, c = nexttiled(clients); c; c = nexttiled(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(c->tags[tsel]) {
-                       if(c->floating) {
-                               craise(c);
-                               resize(c, True);
+       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;
                                continue;

+                       c->ismax = False;
+                       nx = wax;
+                       ny = way;
+                       if(i < nmaster) {
+                               ny += i * mh;
+                               nw = mw - 2 * BORDERPX;
+                               nh = mh - 2 * BORDERPX;

                        }
                        }

-                       if(n == 1) {
-                               c->x = sx;
-                               c->y = sy + bh;
-                               c->w = sw - 2 * c->border;
-                               c->h = sh - 2 * c->border - bh;
-                       }
-                       else if(i == 0) {
-                               c->x = sx;
-                               c->y = sy + bh;
-                               c->w = mw - 2 * c->border;
-                               c->h = sh - 2 * c->border - bh;
+                       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;

                        }
                        }

-                       else {
-                               c->x = sx + mw;
-                               c->y = sy + (i - 1) * h + bh;
-                               c->w = w - 2 * c->border;
-                               c->h = h - 2 * c->border;
-                       }
-                       resize(c, False);
+                       resize(c, nx, ny, nw, nh, False);

                        i++;
                }
                        i++;
                }

-               else
-                       ban_client(c);
+               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
+incnmaster(Arg *arg) {
+       if((lt->arrange == dofloat) || (nmaster + arg->i < 1)
+       || (wah / (nmaster + arg->i) <= 2 * BORDERPX))
+               return;
+       nmaster += arg->i;
+       if(sel)
+               lt->arrange();
+       else
+               drawstatus();
+}
+
+void
+initlayouts(void) {
+       unsigned int i, w;
+
+       lt = &layout[0];
+       nlayouts = sizeof layout / sizeof layout[0];
+       for(blw = i = 0; i < nlayouts; i++) {
+               w = textw(layout[i].symbol);
+               if(w > blw)
+                       blw = w;
+       }
+}
+
+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(lt->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;

        }
        }

-       if(!sel || (sel && !sel->tags[tsel])) {
-               if((sel = next(clients))) {
-                       craise(sel);
-                       focus(sel);
+       lt->arrange();
+}
+
+void
+restack(void) {
+       Client *c;
+       XEvent ev;
+
+       drawstatus();
+       if(!sel)
+               return;
+       if(sel->isfloat || lt->arrange == dofloat)
+               XRaiseWindow(dpy, sel->win);
+       if(lt->arrange != dofloat) {
+               if(!sel->isfloat)
+                       XLowerWindow(dpy, sel->win);
+               for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
+                       if(c == sel)
+                               continue;
+                       XLowerWindow(dpy, c->win);

                }
        }
                }
        }

-       draw_bar();
+       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 < nrules; i++)
+                       if(regs[i].propregex && !regexec(regs[i].propregex, prop, 1, &tmp, 0)) {
+                               c->isfloat = rule[i].isfloat;
+                               for(j = 0; regs[i].tagregex && j < ntags; j++) {
+                                       if(!regexec(regs[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;
+       lt->arrange();
+}
+
+void
+togglefloat(Arg *arg) {
+       if(!sel || lt->arrange == dofloat)
+               return;
+       sel->isfloat = !sel->isfloat;
+       lt->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;
+       lt->arrange();
+}
+
+void
+togglelayout(Arg *arg) {
+       unsigned int i;
+
+       for(i = 0; i < nlayouts && lt != &layout[i]; i++);
+       if(i == nlayouts - 1)
+               lt = &layout[0];
+       else
+               lt = &layout[++i];
+       if(sel)
+               lt->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 */
+       lt->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;
+       lt->arrange();
+}