diff options
Diffstat (limited to 'screen.c')
| -rw-r--r-- | screen.c | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/screen.c b/screen.c new file mode 100644 index 0000000..041cac7 --- /dev/null +++ b/screen.c @@ -0,0 +1,297 @@ +/* (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 *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; + +/* extern */ + +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) { + 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 = 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(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 +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 = nexttiled(clients); c; c = nexttiled(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(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; + 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(); +} |