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/*
* proc_files.c - shows ALSA system information files
* Copyright (c) Clemens Ladisch <clemens@ladisch.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 2 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 "aconfig.h"
#include <assert.h>
#include <menu.h>
#include <unistd.h>
#include "gettext_curses.h"
#include "utils.h"
#include "die.h"
#include "mem.h"
#include "colors.h"
#include "widget.h"
#include "textbox.h"
#include "proc_files.h"
#include "menu_widget.h"
static struct widget proc_widget;
static ITEM *items[7];
static unsigned int items_count;
static MENU *menu;
static void on_handle_key(int key)
{
ITEM *item;
switch (menu_widget_handle_key(menu, key)) {
case KEY_ENTER:
item = current_item(menu);
if (item)
show_textfile(item_name(item));
break;
case KEY_CANCEL:
proc_widget.close();
break;
}
}
static bool create(void)
{
int rows, columns;
const char *title;
if (screen_lines < 3 || screen_cols < 20) {
proc_widget.close();
beep();
return FALSE;
}
scale_menu(menu, &rows, &columns);
rows += 2;
columns += 2;
if (rows > screen_lines)
rows = screen_lines;
if (columns > screen_cols)
columns = screen_cols;
widget_init(&proc_widget, rows, columns, SCREEN_CENTER, SCREEN_CENTER,
attrs.menu, WIDGET_BORDER | WIDGET_SUBWINDOW);
title = _("Select File");
mvwprintw(proc_widget.window, 0, (columns - 2 - get_mbs_width(title)) / 2, " %s ", title);
set_menu_win(menu, proc_widget.window);
set_menu_sub(menu, proc_widget.subwindow);
return TRUE;
}
static void on_window_size_changed(void)
{
unpost_menu(menu);
if (!create())
return;
post_menu(menu);
}
static void on_close(void)
{
unsigned int i;
unpost_menu(menu);
free_menu(menu);
for (i = 0; i < items_count; ++i)
free_item(items[i]);
widget_free(&proc_widget);
}
static void add_item(const char *file_name)
{
if (access(file_name, F_OK) == 0) {
items[items_count] = new_item(file_name, NULL);
if (!items[items_count])
fatal_error("cannot create menu item");
++items_count;
assert(items_count < ARRAY_SIZE(items));
}
}
static struct widget proc_widget = {
.handle_key = on_handle_key,
.window_size_changed = on_window_size_changed,
.close = on_close,
};
void create_proc_files_list(void)
{
items_count = 0;
add_item("/proc/asound/version");
add_item("/proc/asound/cards");
add_item("/proc/asound/devices");
add_item("/proc/asound/oss/devices");
add_item("/proc/asound/timers");
add_item("/proc/asound/pcm");
items[items_count] = NULL;
menu = new_menu(items);
if (!menu)
fatal_error("cannot create menu");
set_menu_fore(menu, attrs.menu_selected);
set_menu_back(menu, attrs.menu);
set_menu_mark(menu, NULL);
menu_opts_off(menu, O_SHOWDESC);
if (!create())
return;
post_menu(menu);
}
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