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Diffstat (limited to 'src/clipboard.c')
| -rw-r--r-- | src/clipboard.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/src/clipboard.c b/src/clipboard.c new file mode 100644 index 0000000..ab154cb --- /dev/null +++ b/src/clipboard.c @@ -0,0 +1,266 @@ +/* + Util for external clipboard. + + Copyright (C) 2009-2022 + 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 ****************************************************************/ + +/*** 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; +} + +/* --------------------------------------------------------------------------------------------- */ |