Adding upstream version 3:4.8.29.upstream/3%4.8.29upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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;
+}
+
+/* --------------------------------------------------------------------------------------------- */