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/*
* pa-sink-ctl - NCurses based Pulseaudio control client
* Copyright (C) 2011 Benjamin Franzke <benjaminfranzke@googlemail.com>
* Copyright (C) 2010 Jan Klemkow <web2p10@wemelug.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <glib.h>
#include "pa-sink-ctl.h"
#include "interface.h"
#include "ctl.h"
#include "command.h"
static struct vol_ctl *
ctl_last_child_or_ctl(struct vol_ctl *ctl)
{
int len;
if (ctl->childs_len && (len = ctl->childs_len(ctl)) > 0)
return ctl->get_nth_child(ctl, len-1);
return ctl;
}
static void
up(struct context *ctx, int key)
{
struct interface *ifc = &ctx->interface;
struct vol_ctl *ctl, *prev;
GList *last;
if (!ctx->context_ready)
return;
ctl = ifc->current_ctl;
if (ctl == NULL)
return;
prev = ctl->prev_ctl(ctl);
if (prev) {
ifc->current_ctl = ctl_last_child_or_ctl(prev);
} else if (ctl->get_parent) {
ifc->current_ctl = ctl->get_parent(ctl);
} else {
struct main_ctl *mctl = (struct main_ctl *) ctl;
if (*mctl->list == ctx->source_list &&
(last = g_list_last(ctx->sink_list)) != NULL)
ifc->current_ctl = ctl_last_child_or_ctl(last->data);
}
interface_redraw(ifc);
}
static void
down(struct context *ctx, int key)
{
struct interface *ifc = &ctx->interface;
struct vol_ctl *ctl, *next = NULL, *tmp, *parent;
if (!ctx->context_ready)
return;
ctl = ifc->current_ctl;
if (ctl == NULL)
return;
if (ctl->childs_len && ctl->childs_len(ctl) > 0) {
next = ctl->get_nth_child(ctl, 0);
} else if ((tmp = ctl->next_ctl(ctl)) != NULL) {
next = tmp;
} else if (ctl->get_parent) {
parent = ctl->get_parent(ctl);
next = parent->next_ctl(parent);
if (!next)
ctl = parent; /* parent for end-of-sink list lookup */
}
if (!next) {
struct main_ctl *mctl = (struct main_ctl *) ctl;
if (*mctl->list == ctx->sink_list &&
g_list_first(ctx->source_list) != NULL)
next = g_list_first(ctx->source_list)->data;
}
if (next) {
ifc->current_ctl = next;
interface_redraw(ifc);
}
}
static void
volume_change(struct context *ctx, gboolean volume_increment)
{
struct vol_ctl *ctl;
pa_cvolume volume;
const pa_volume_t inc = 2 * PA_VOLUME_NORM / 100;
pa_operation *o;
if (!ctx->context_ready)
return;
ctl = ctx->interface.current_ctl;
if (!ctl || !ctl->volume_set)
return;
volume.channels = ctl->channels;
pa_cvolume_set(&volume, volume.channels, ctl->vol);
if (volume_increment)
if (PA_VOLUME_NORM > ctl->vol &&
PA_VOLUME_NORM - ctl->vol > inc)
pa_cvolume_inc(&volume, inc);
else
pa_cvolume_set(&volume, volume.channels,
PA_VOLUME_NORM);
else
pa_cvolume_dec(&volume, inc);
o = ctl->volume_set(ctx->context, ctl->index, &volume, NULL,NULL);
pa_operation_unref(o);
}
static void
volume_down(struct context *ctx, int key)
{
volume_change(ctx, FALSE);
}
static void
volume_up(struct context *ctx, int key)
{
volume_change(ctx, TRUE);
}
static void
toggle_mute(struct context *ctx, int key)
{
struct vol_ctl *ctl;
pa_operation *o;
if (!ctx->context_ready)
return;
ctl = ctx->interface.current_ctl;
if (!ctl && !ctl->mute_set)
return;
o = ctl->mute_set(ctx->context, ctl->index, !ctl->mute, NULL, NULL);
pa_operation_unref(o);
}
static void
switch_sink(struct context *ctx, int key)
{
struct vol_ctl *cslave;
struct main_ctl *mcparent, *ctl;
pa_operation *o;
GList *el;
if (!ctx->context_ready)
return;
cslave = ctx->interface.current_ctl;
if (!cslave || !cslave->get_parent)
return;
mcparent = (struct main_ctl *) cslave->get_parent(cslave);
if (g_list_length(*mcparent->list) <= 1)
return;
el = g_list_find(*mcparent->list, mcparent);
g_assert(el != NULL);
if (el->next)
el = el->next;
else
el = g_list_first(*mcparent->list);
ctl = el->data;
o = ctl->move_child(ctx->context,
cslave->index, ctl->base.index, NULL, NULL);
pa_operation_unref(o);
}
static void
quit_cmd(struct context *ctx, int key)
{
quit(ctx);
}
struct command_cb_descriptor command_cbs[] = {
{ "up", up },
{ "down", down },
{ "volume-down", volume_down },
{ "volume-up", volume_up },
{ "mute", toggle_mute },
{ "switch", switch_sink },
{ "quit", quit_cmd },
{ NULL, NULL }
};
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