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/*
Util for external clipboard.
Copyright (C) 2009-2023
Free Software Foundation, Inc.
Written by:
Ilia Maslakov <il.smind@gmail.com>, 2010.
Andrew Borodin <aborodin@vmail.ru>, 2014.
This file is part of the Midnight Commander.
The Midnight Commander 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.
The Midnight Commander 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 <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include "lib/global.h"
#include "lib/fileloc.h"
#include "lib/mcconfig.h"
#include "lib/util.h"
#include "lib/event.h"
#include "lib/vfs/vfs.h"
#include "src/execute.h"
#include "clipboard.h"
/*** global variables ****************************************************************************/
/* path to X clipboard utility */
char *clipboard_store_path = NULL;
char *clipboard_paste_path = NULL;
/*** file scope macro definitions ****************************************************************/
/*** file scope type declarations ****************************************************************/
/*** forward declarations (file scope functions) *************************************************/
/*** file scope variables ************************************************************************/
static const int clip_open_flags = O_CREAT | O_WRONLY | O_TRUNC | O_BINARY;
static const mode_t clip_open_mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
/* --------------------------------------------------------------------------------------------- */
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */
/* event callback */
gboolean
clipboard_file_to_ext_clip (const gchar * event_group_name, const gchar * event_name,
gpointer init_data, gpointer data)
{
char *tmp, *cmd;
(void) event_group_name;
(void) event_name;
(void) init_data;
(void) data;
if (clipboard_store_path == NULL || clipboard_store_path[0] == '\0')
return TRUE;
tmp = mc_config_get_full_path (EDIT_HOME_CLIP_FILE);
cmd = g_strconcat (clipboard_store_path, " ", tmp, " 2>/dev/null", (char *) NULL);
if (cmd != NULL)
my_system (EXECUTE_AS_SHELL, mc_global.shell->path, cmd);
g_free (cmd);
g_free (tmp);
return TRUE;
}
/* --------------------------------------------------------------------------------------------- */
/* event callback */
gboolean
clipboard_file_from_ext_clip (const gchar * event_group_name, const gchar * event_name,
gpointer init_data, gpointer data)
{
mc_pipe_t *p;
int file = -1;
(void) event_group_name;
(void) event_name;
(void) init_data;
(void) data;
if (clipboard_paste_path == NULL || clipboard_paste_path[0] == '\0')
return TRUE;
p = mc_popen (clipboard_paste_path, TRUE, TRUE, NULL);
if (p == NULL)
return TRUE; /* don't show error message */
p->out.null_term = FALSE;
p->err.null_term = TRUE;
while (TRUE)
{
GError *error = NULL;
p->out.len = MC_PIPE_BUFSIZE;
p->err.len = MC_PIPE_BUFSIZE;
mc_pread (p, &error);
if (error != NULL)
{
/* don't show error message */
g_error_free (error);
break;
}
/* ignore stderr and get stdout */
if (p->out.len == MC_PIPE_STREAM_EOF || p->out.len == MC_PIPE_ERROR_READ)
break;
if (p->out.len > 0)
{
ssize_t nwrite;
if (file < 0)
{
vfs_path_t *fname_vpath;
fname_vpath = mc_config_get_full_vpath (EDIT_HOME_CLIP_FILE);
file = mc_open (fname_vpath, clip_open_flags, clip_open_mode);
vfs_path_free (fname_vpath, TRUE);
if (file < 0)
break;
}
nwrite = mc_write (file, p->out.buf, p->out.len);
(void) nwrite;
}
}
if (file >= 0)
mc_close (file);
mc_pclose (p, NULL);
return TRUE;
}
/* --------------------------------------------------------------------------------------------- */
/* event callback */
gboolean
clipboard_text_to_file (const gchar * event_group_name, const gchar * event_name,
gpointer init_data, gpointer data)
{
int file;
vfs_path_t *fname_vpath = NULL;
size_t str_len;
const char *text = (const char *) data;
(void) event_group_name;
(void) event_name;
(void) init_data;
if (text == NULL)
return FALSE;
fname_vpath = mc_config_get_full_vpath (EDIT_HOME_CLIP_FILE);
file = mc_open (fname_vpath, clip_open_flags, clip_open_mode);
vfs_path_free (fname_vpath, TRUE);
if (file == -1)
return TRUE;
str_len = strlen (text);
{
ssize_t ret;
ret = mc_write (file, text, str_len);
(void) ret;
}
mc_close (file);
return TRUE;
}
/* --------------------------------------------------------------------------------------------- */
/* event callback */
gboolean
clipboard_text_from_file (const gchar * event_group_name, const gchar * event_name,
gpointer init_data, gpointer data)
{
char buf[BUF_LARGE];
FILE *f;
char *fname = NULL;
gboolean first = TRUE;
ev_clipboard_text_from_file_t *event_data = (ev_clipboard_text_from_file_t *) data;
(void) event_group_name;
(void) event_name;
(void) init_data;
fname = mc_config_get_full_path (EDIT_HOME_CLIP_FILE);
f = fopen (fname, "r");
g_free (fname);
if (f == NULL)
{
event_data->ret = FALSE;
return TRUE;
}
*(event_data->text) = NULL;
while (fgets (buf, sizeof (buf), f))
{
size_t len;
len = strlen (buf);
if (len > 0)
{
if (buf[len - 1] == '\n')
buf[len - 1] = '\0';
if (first)
{
first = FALSE;
*(event_data->text) = g_strdup (buf);
}
else
{
/* remove \n on EOL */
char *tmp;
tmp = g_strconcat (*(event_data->text), " ", buf, (char *) NULL);
g_free (*(event_data->text));
*(event_data->text) = tmp;
}
}
}
fclose (f);
event_data->ret = (*(event_data->text) != NULL);
return TRUE;
}
/* --------------------------------------------------------------------------------------------- */
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