dwm/tag.c

238 lines
3.7 KiB
C

/*
* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include "dwm.h"
#include <regex.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <X11/Xutil.h>
/* static */
typedef struct {
const char *pattern;
char *tags[TLast];
Bool isfloat;
} Rule;
/* CUSTOMIZE */
static Rule rule[] = {
/* class:instance tags isfloat */
{ "Firefox.*", { [Twww] = "www" }, False },
{ "Gimp.*", { 0 }, True},
};
char *tags[TLast] = {
[Tscratch] = "scratch",
[Tdev] = "dev",
[Twww] = "www",
[Twork] = "work",
};
void (*arrange)(Arg *) = dotile;
/* END CUSTOMIZE */
/* extern */
void
appendtag(Arg *arg)
{
if(!sel)
return;
sel->tags[arg->i] = tags[arg->i];
arrange(NULL);
}
void
dofloat(Arg *arg)
{
Client *c;
for(c = clients; c; c = c->next) {
c->ismax = False;
if(c->tags[tsel]) {
resize(c, True, TopLeft);
}
else
ban(c);
}
if(sel && !sel->tags[tsel]) {
if((sel = getnext(clients, tsel))) {
higher(sel);
focus(sel);
}
}
drawall();
}
void
dotile(Arg *arg)
{
int n, i, w, h;
Client *c;
w = sw - mw;
for(n = 0, c = clients; c; c = c->next)
if(c->tags[tsel] && !c->isfloat)
n++;
if(n > 1)
h = (sh - bh) / (n - 1);
else
h = sh - bh;
for(i = 0, c = clients; c; c = c->next) {
c->ismax = False;
if(c->tags[tsel]) {
if(c->isfloat) {
higher(c);
resize(c, True, TopLeft);
continue;
}
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 if(h > bh) {
c->x = sx + mw;
c->y = sy + (i - 1) * h + bh;
c->w = w - 2 * c->border;
c->h = h - 2 * c->border;
}
else { /* fallback if h < bh */
c->x = sx + mw;
c->y = sy + bh;
c->w = w - 2 * c->border;
c->h = sh - 2 * c->border - bh;
}
resize(c, False, TopLeft);
i++;
}
else
ban(c);
}
if(!sel || (sel && !sel->tags[tsel])) {
if((sel = getnext(clients, tsel))) {
higher(sel);
focus(sel);
}
}
drawall();
}
Client *
getnext(Client *c, unsigned int t)
{
for(; c && !c->tags[t]; c = c->next);
return c;
}
Client *
getprev(Client *c)
{
for(; c && !c->tags[tsel]; c = c->prev);
return c;
}
void
heretag(Arg *arg)
{
int i;
Client *c;
if(arg->i == tsel)
return;
if(!(c = getnext(clients, arg->i)))
return;
for(i = 0; i < TLast; i++)
c->tags[i] = NULL;
c->tags[tsel] = tags[tsel];
pop(c);
focus(c);
}
void
replacetag(Arg *arg)
{
int i;
if(!sel)
return;
for(i = 0; i < TLast; i++)
sel->tags[i] = NULL;
appendtag(arg);
}
void
settags(Client *c)
{
char classinst[256];
static unsigned int len = rule ? sizeof(rule) / sizeof(rule[0]) : 0;
unsigned int i, j;
regex_t regex;
regmatch_t tmp;
Bool matched = False;
XClassHint ch;
if(!len) {
c->tags[tsel] = tags[tsel];
return;
}
if(XGetClassHint(dpy, c->win, &ch)) {
snprintf(classinst, sizeof(classinst), "%s:%s",
ch.res_class ? ch.res_class : "",
ch.res_name ? ch.res_name : "");
for(i = 0; !matched && i < len; i++) {
if(!regcomp(&regex, rule[i].pattern, 0)) {
if(!regexec(&regex, classinst, 1, &tmp, 0)) {
for(j = 0; j < TLast; j++) {
if(rule[i].tags[j])
matched = True;
c->tags[j] = rule[i].tags[j];
}
c->isfloat = rule[i].isfloat;
}
regfree(&regex);
}
}
if(ch.res_class)
XFree(ch.res_class);
if(ch.res_name)
XFree(ch.res_name);
}
if(!matched)
c->tags[tsel] = tags[tsel];
}
void
togglemode(Arg *arg)
{
arrange = arrange == dofloat ? dotile : dofloat;
arrange(NULL);
}
void
view(Arg *arg)
{
tsel = arg->i;
arrange(NULL);
drawall();
}