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client: Introduce display files

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The purpose of these files is to encapsulate all of
the display related functionality
This commit is contained in:
Tim Kourt 2017-03-23 16:32:10 -07:00 committed by Denis Kenzior
parent 0ca8d32384
commit 21bebbd581
3 changed files with 135 additions and 0 deletions
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1
Makefile.am
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@ -87,6 +87,7 @@ dist_sysconf_DATA = src/iwd.conf
client_iwctl_SOURCES = client/main.c \
readline/readline.h readline/history.h \
client/display.h client/display.c \
client/dbus-proxy.h client/dbus-proxy.c
client_iwctl_LDADD = ell/libell-internal.la -lreadline

98
client/display.c Normal file
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@ -0,0 +1,98 @@
/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2017 Intel Corporation. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <ell/ell.h>
#include <readline/history.h>
#include <readline/readline.h>
#include <stdio.h>
#include "display.h"
#define IWD_PROMPT COLOR_GREEN "[iwd]" COLOR_OFF "# "
#define LINE_LEN 81
static struct l_queue *display_types;
static struct l_io *io;
static char dashed_line[LINE_LEN];
static char empty_line[LINE_LEN];
static void readline_callback(char *prompt)
{
l_free(prompt);
}
static bool read_handler(struct l_io *io, void *user_data)
{
rl_callback_read_char();
return true;
}
static void disconnect_callback(struct l_io *io, void *user_data)
{
l_main_exit();
}
void display_enable_cmd_prompt(void)
{
io = l_io_new(fileno(stdin));
l_io_set_read_handler(io, read_handler, NULL, NULL);
l_io_set_disconnect_handler(io, disconnect_callback, NULL, NULL);
rl_set_prompt(IWD_PROMPT);
}
void display_disable_cmd_prompt(void)
{
rl_set_prompt("");
rl_crlf();
}
void display_init(void)
{
memset(&dashed_line, '-', sizeof(dashed_line) - 1);
memset(&empty_line, ' ', sizeof(empty_line) - 1);
display_types = l_queue_new();
setlinebuf(stdout);
rl_erase_empty_line = 1;
rl_callback_handler_install("Waiting for IWD to appear...",
readline_callback);
rl_redisplay();
}
void display_exit(void)
{
rl_callback_handler_remove();
l_io_destroy(io);
l_queue_destroy(display_types, NULL);
display_types = NULL;
}

36
client/display.h Normal file
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@ -0,0 +1,36 @@
/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2017 Intel Corporation. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#define COLOR_BOLDGRAY "\x1B[1;30m"
#define COLOR_GRAY "\x1b[37m"
#define COLOR_GREEN "\x1b[32m"
#define COLOR_RED "\x1B[0;91m"
#define COLOR_OFF "\x1B[0m"
#define CHECK "\u2714"
#define CLEAR_SCREEN "\033[2J"
#define MARGIN " "
void display_enable_cmd_prompt(void);
void display_disable_cmd_prompt(void);
void display_init(void);
void display_exit(void);