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328 lines
6.1 KiB
328 lines
6.1 KiB
/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
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* See LICENSE file for license details.
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*/
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#include "dwm.h"
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#include <regex.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <X11/Xutil.h>
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unsigned int master = MASTER;
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unsigned int nmaster = NMASTER;
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unsigned int blw = 0;
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Layout *lt = NULL;
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/* static */
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typedef struct {
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const char *prop;
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const char *tags;
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Bool isversatile;
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} Rule;
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typedef struct {
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regex_t *propregex;
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regex_t *tagregex;
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} Regs;
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TAGS
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RULES
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static Regs *regs = NULL;
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static unsigned int nrules = 0;
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static unsigned int nlayouts = 0;
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static void
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tile(void) {
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unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
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Client *c;
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for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
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n++;
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/* window geoms */
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mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
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mw = (n > nmaster) ? (waw * master) / 1000 : waw;
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th = (n > nmaster) ? wah / (n - nmaster) : 0;
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tw = waw - mw;
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for(i = 0, c = clients; c; c = c->next)
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if(isvisible(c)) {
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if(c->isbanned)
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XMoveWindow(dpy, c->win, c->x, c->y);
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c->isbanned = False;
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if(c->isversatile)
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continue;
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c->ismax = False;
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nx = wax;
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ny = way;
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if(i < nmaster) {
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ny += i * mh;
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nw = mw - 2 * BORDERPX;
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nh = mh - 2 * BORDERPX;
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}
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else { /* tile window */
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nx += mw;
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nw = tw - 2 * BORDERPX;
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if(th > 2 * BORDERPX) {
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ny += (i - nmaster) * th;
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nh = th - 2 * BORDERPX;
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}
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else /* fallback if th <= 2 * BORDERPX */
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nh = wah - 2 * BORDERPX;
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}
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resize(c, nx, ny, nw, nh, False);
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i++;
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}
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else {
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c->isbanned = True;
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XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
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}
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if(!sel || !isvisible(sel)) {
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for(c = stack; c && !isvisible(c); c = c->snext);
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focus(c);
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}
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restack();
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}
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LAYOUTS
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/* extern */
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void
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compileregs(void) {
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unsigned int i;
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regex_t *reg;
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if(regs)
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return;
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nrules = sizeof rule / sizeof rule[0];
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regs = emallocz(nrules * sizeof(Regs));
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for(i = 0; i < nrules; i++) {
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if(rule[i].prop) {
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reg = emallocz(sizeof(regex_t));
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if(regcomp(reg, rule[i].prop, REG_EXTENDED))
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free(reg);
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else
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regs[i].propregex = reg;
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}
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if(rule[i].tags) {
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reg = emallocz(sizeof(regex_t));
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if(regcomp(reg, rule[i].tags, REG_EXTENDED))
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free(reg);
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else
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regs[i].tagregex = reg;
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}
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}
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}
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void
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incnmaster(Arg *arg) {
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if((lt->arrange != tile) || (nmaster + arg->i < 1)
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|| (wah / (nmaster + arg->i) <= 2 * BORDERPX))
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return;
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nmaster += arg->i;
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if(sel)
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lt->arrange();
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else
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drawstatus();
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}
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void
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initlayouts(void) {
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unsigned int i, w;
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lt = &layout[0];
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nlayouts = sizeof layout / sizeof layout[0];
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for(blw = i = 0; i < nlayouts; i++) {
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w = textw(layout[i].symbol);
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if(w > blw)
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blw = w;
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}
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}
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Bool
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isvisible(Client *c) {
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unsigned int i;
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for(i = 0; i < ntags; i++)
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if(c->tags[i] && seltag[i])
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return True;
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return False;
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}
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void
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resizemaster(Arg *arg) {
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if(lt->arrange != tile)
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return;
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if(arg->i == 0)
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master = MASTER;
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else {
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if(waw * (master + arg->i) / 1000 >= waw - 2 * BORDERPX
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|| waw * (master + arg->i) / 1000 <= 2 * BORDERPX)
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return;
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master += arg->i;
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}
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lt->arrange();
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}
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void
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restack(void) {
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Client *c;
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XEvent ev;
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drawstatus();
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if(!sel)
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return;
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if(sel->isversatile || lt->arrange == versatile)
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XRaiseWindow(dpy, sel->win);
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if(lt->arrange != versatile) {
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if(!sel->isversatile)
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XLowerWindow(dpy, sel->win);
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for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
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if(c == sel)
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continue;
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XLowerWindow(dpy, c->win);
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}
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}
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XSync(dpy, False);
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while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
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}
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void
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setlayout(Arg *arg) {
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unsigned int i;
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if(arg->i == -1) {
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for(i = 0; i < nlayouts && lt != &layout[i]; i++);
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if(i == nlayouts - 1)
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lt = &layout[0];
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else
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lt = &layout[++i];
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}
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else {
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if(arg->i < 0 || arg->i >= nlayouts)
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return;
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lt = &layout[arg->i];
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}
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if(sel)
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lt->arrange();
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else
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drawstatus();
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}
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void
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settags(Client *c, Client *trans) {
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char prop[512];
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unsigned int i, j;
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regmatch_t tmp;
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Bool matched = trans != NULL;
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XClassHint ch = { 0 };
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if(matched)
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for(i = 0; i < ntags; i++)
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c->tags[i] = trans->tags[i];
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else {
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XGetClassHint(dpy, c->win, &ch);
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snprintf(prop, sizeof prop, "%s:%s:%s",
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ch.res_class ? ch.res_class : "",
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ch.res_name ? ch.res_name : "", c->name);
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for(i = 0; i < nrules; i++)
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if(regs[i].propregex && !regexec(regs[i].propregex, prop, 1, &tmp, 0)) {
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c->isversatile = rule[i].isversatile;
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for(j = 0; regs[i].tagregex && j < ntags; j++) {
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if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
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matched = True;
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c->tags[j] = True;
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}
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}
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}
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if(ch.res_class)
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XFree(ch.res_class);
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if(ch.res_name)
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XFree(ch.res_name);
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}
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if(!matched)
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for(i = 0; i < ntags; i++)
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c->tags[i] = seltag[i];
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}
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void
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tag(Arg *arg) {
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unsigned int i;
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if(!sel)
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return;
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for(i = 0; i < ntags; i++)
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sel->tags[i] = (arg->i == -1) ? True : False;
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if(arg->i >= 0 && arg->i < ntags)
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sel->tags[arg->i] = True;
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lt->arrange();
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}
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void
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toggletag(Arg *arg) {
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unsigned int i;
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if(!sel)
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return;
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sel->tags[arg->i] = !sel->tags[arg->i];
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for(i = 0; i < ntags && !sel->tags[i]; i++);
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if(i == ntags)
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sel->tags[arg->i] = True;
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lt->arrange();
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}
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void
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toggleversatile(Arg *arg) {
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if(!sel || lt->arrange == versatile)
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return;
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sel->isversatile = !sel->isversatile;
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lt->arrange();
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}
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void
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toggleview(Arg *arg) {
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unsigned int i;
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seltag[arg->i] = !seltag[arg->i];
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for(i = 0; i < ntags && !seltag[i]; i++);
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if(i == ntags)
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seltag[arg->i] = True; /* cannot toggle last view */
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lt->arrange();
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}
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void
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versatile(void) {
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Client *c;
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for(c = clients; c; c = c->next) {
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if(isvisible(c)) {
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if(c->isbanned)
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XMoveWindow(dpy, c->win, c->x, c->y);
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c->isbanned = False;
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resize(c, c->x, c->y, c->w, c->h, True);
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}
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else {
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c->isbanned = True;
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XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
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}
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}
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if(!sel || !isvisible(sel)) {
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for(c = stack; c && !isvisible(c); c = c->snext);
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focus(c);
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}
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restack();
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}
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void
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view(Arg *arg) {
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unsigned int i;
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for(i = 0; i < ntags; i++)
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seltag[i] = (arg->i == -1) ? True : False;
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if(arg->i >= 0 && arg->i < ntags)
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seltag[arg->i] = True;
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lt->arrange();
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}
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