wmii/cmd/wm/area.c

/*
 * (C)opyright MMIV-MMV Anselm R. Garbe <garbeam at gmail dot com>
 * See LICENSE file for license details.
 */

#include <assert.h>
#include <stdlib.h>
#include <string.h>

#include "wm.h"

static void handle_after_write_area(IXPServer * s, File * file);

Area *
alloc_area(Page * p, char *layout)
{
    char buf[MAX_BUF], *name;
    Area *a = (Area *) cext_emallocz(sizeof(Area));

    a->page = p;
    if(strncmp(layout, "float", 6))
        name = "managed";
    else
        name = "float";
    snprintf(buf, MAX_BUF, "/%s/layout/%s", p->file[P_PREFIX]->name, name);
    a->file[A_PREFIX] = ixp_create(ixps, buf);
    snprintf(buf, MAX_BUF, "/%s/layout/%s/frame", p->file[P_PREFIX]->name,
             name);
    a->file[A_FRAME_PREFIX] = ixp_create(ixps, buf);
    snprintf(buf, MAX_BUF, "/%s/layout/%s/frame/sel",
             p->file[P_PREFIX]->name, name);
    a->file[A_SEL_FRAME] = ixp_create(ixps, buf);
    a->file[A_SEL_FRAME]->bind = 1;
    snprintf(buf, MAX_BUF, "/%s/layout/%s/ctl", p->file[P_PREFIX]->name,
             name);
    a->file[A_CTL] = ixp_create(ixps, buf);
    a->file[A_CTL]->after_write = handle_after_write_area;
    snprintf(buf, MAX_BUF, "/%s/layout/%s/name", p->file[P_PREFIX]->name,
             name);
    a->file[A_LAYOUT] = wmii_create_ixpfile(ixps, buf, layout);
    a->file[A_LAYOUT]->after_write = handle_after_write_area;
    a->layout = match_layout(layout);
    fprintf(stderr, "matched '%s' layout\n", a->layout->name);
    a->layout->init(a, nil);
    p->file[P_SEL_AREA]->content = a->file[A_PREFIX]->content;
    return a;
}

void
destroy_area(Area * a)
{
    a->layout->deinit(a);
    ixp_remove_file(ixps, a->file[A_PREFIX]);
    free(a);
}

void
focus_area(Area * a)
{
    Page *p = a->page;
    Frame *f;
    p->sel = a;
    p->file[P_SEL_AREA]->content = a->file[A_PREFIX]->content;
    if((f = a->layout->sel(a)))
        a->layout->focus(f, False);
}

void
hide_area(Area * a)
{
    Frame *f;
    for(f = a->layout->frames(a); f; f = f->next)
        XMoveWindow(dpy, f->win, 2 * rect.width, 2 * rect.height);
}

void
show_area(Area * a, Bool raise)
{
    Frame *f;
    for(f = a->layout->frames(a); f; f = f->next) {
        XMoveWindow(dpy, f->win, f->rect.x, f->rect.y);
        if(raise)
            XRaiseWindow(dpy, f->win);
    }
}

Area *
sel_area()
{
    return selpage ? selpage->sel : nil;
}

void
attach_frame_to_area(Area * a, Frame * f)
{
    wmii_move_ixpfile(f->file[F_PREFIX], a->file[A_FRAME_PREFIX]);
    a->file[A_SEL_FRAME]->content = f->file[F_PREFIX]->content;
    f->area = a;
}

void
detach_frame_from_area(Frame * f)
{
    f->area->file[A_SEL_FRAME]->content = 0;
    f->area = 0;
}

static void
handle_after_write_area(IXPServer * s, File * file)
{
    Page *p;
    for(p = pages; p; p = p->next) {
        if(file == p->managed->file[A_CTL]) {
            run_action(file, p->managed,
                       p->managed->layout->actions(p->managed));
            return;
        } else if(file == p->floating->file[A_CTL]) {
            run_action(file, p->floating,
                       p->floating->layout->actions(p->floating));
            return;
        } else if(file == p->managed->file[A_LAYOUT]) {
            Layout *l = match_layout(file->content);
            if(l) {
                Client *clients = p->managed->layout->deinit(p->managed);
                p->managed->layout = l;
                p->managed->layout->init(p->managed, clients);
                invoke_wm_event(def[WM_EVENT_PAGE_UPDATE]);
            }
        }
    }
}