wmii/cmd/wm/area.c

143 lines
2.4 KiB
C

/*
* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include <stdlib.h>
#include <string.h>
#include "wm.h"
Area *
alloc_area(Page *p)
{
static unsigned short id = 1;
Area *a = cext_emallocz(sizeof(Area));
a->page = p;
a->id = id++;
update_area_geometry(a);
p->area = (Area **)cext_array_attach((void **)p->area, a, sizeof(Area *), &p->areasz);
p->sel = p->narea;
p->narea++;
return a;
}
void
update_area_geometry(Area *a)
{
a->rect = rect;
a->rect.height -= brect.height;
}
void
destroy_area(Area *a)
{
Page *p = a->page;
if(a->client)
free(a->client);
cext_array_detach((void **)p->area, a, &p->areasz);
p->narea--;
if(p->sel >= p->narea)
p->sel = p->narea - 1;
free(a);
}
int
area2index(Area *a)
{
int i;
Page *p = a->page;
for(i = 0; i < p->narea; i++)
if(p->area[i] == a)
return i;
return -1;
}
int
aid2index(Page *p, unsigned short id)
{
int i;
for(i = 0; i < p->narea; i++)
if(p->area[i]->id == id)
return i;
return -1;
}
void
select_area(Area *a, char *arg)
{
Area *new;
Page *p = a->page;
int i = area2index(a);
if(i == -1)
return;
if(!strncmp(arg, "prev", 5)) {
if(i == 1)
i = p->narea - 1;
else
i--;
} else if(!strncmp(arg, "next", 5)) {
if(i + 1 < p->narea)
i++;
else
i = 1;
}
else {
const char *errstr;
i = cext_strtonum(arg, 0, p->narea - 1, &errstr);
if(errstr)
return;
}
new = p->area[i];
if(new->nclient)
focus_client(new->client[new->sel]);
p->sel = i;
}
void
sendto_area(Area *to, Client *c)
{
Area *a = c->area;
cext_array_detach((void **)a->client, c, &a->clientsz);
a->nclient--;
if(a->sel >= a->nclient)
a->sel = 0;
attach_client2area(to, c);
focus_client(c);
}
void
attach_client2area(Area *a, Client *c)
{
Page *p = a->page;
if(area2index(a) && a->maxclient && (a->maxclient == a->nclient)) {
Area *to = nil;
int i;
for(i = p->sel; i < p->narea; i++) {
to = p->area[i];
if(!to->maxclient || (to->maxclient > to->nclient))
break;
to = nil;
}
if(!to) {
to = alloc_area(p);
sendto_area(to, a->client[a->sel]);
arrange_page(p, True);
}
else
sendto_area(to, a->client[a->sel]);
}
a->client = (Client **)cext_array_attach(
(void **)a->client, c, sizeof(Client *), &a->clientsz);
a->nclient++;
c->area = a;
if(p->sel > 0) /* column mode */
arrange_column(a);
else /* normal mode */
resize_client(c, &c->frame.rect, nil, False);
}