src/clipboard.c

   1 /*
   2    Util for external clipboard.
   3
   4    Copyright (C) 2009, 2011
   5    The Free Software Foundation, Inc.
   6
   7    Written by:
   8    Ilia Maslakov <il.smind@gmail.com>, 2010.
   9
  10    This file is part of the Midnight Commander.
  11
  12    The Midnight Commander is free software: you can redistribute it
  13    and/or modify it under the terms of the GNU General Public License as
  14    published by the Free Software Foundation, either version 3 of the License,
  15    or (at your option) any later version.
  16
  17    The Midnight Commander is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24  */
  25
  26 #include <config.h>
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30
  31 #include "lib/global.h"
  32 #include "lib/fileloc.h"
  33 #include "lib/mcconfig.h"
  34 #include "lib/util.h"
  35 #include "lib/event.h"
  36
  37 #include "lib/vfs/vfs.h"
  38
  39 #include "src/execute.h"
  40
  41 #include "clipboard.h"
  42
  43 /*** global variables ****************************************************************************/
  44
  45 /* path to X clipboard utility */
  46 char *clipboard_store_path = NULL;
  47 char *clipboard_paste_path = NULL;
  48
  49 /*** file scope macro definitions ****************************************************************/
  50
  51 /*** file scope type declarations ****************************************************************/
  52
  53 /*** file scope variables ************************************************************************/
  54
  55 /*** file scope functions ************************************************************************/
  56 /* --------------------------------------------------------------------------------------------- */
  57
  58 /* --------------------------------------------------------------------------------------------- */
  59 /*** public functions ****************************************************************************/
  60 /* --------------------------------------------------------------------------------------------- */
  61
  62 /* event callback */
  63 gboolean
  64 clipboard_file_to_ext_clip (const gchar * event_group_name, const gchar * event_name,
  65                             gpointer init_data, gpointer data)
  66 {
  67     char *tmp, *cmd;
  68     const char *d = getenv ("DISPLAY");
  69
  70     (void) event_group_name;
  71     (void) event_name;
  72     (void) init_data;
  73     (void) data;
  74
  75     if (d == NULL || clipboard_store_path == NULL || clipboard_store_path[0] == '\0')
  76         return TRUE;
  77
  78     tmp = mc_config_get_full_path (EDIT_CLIP_FILE);
  79     cmd = g_strconcat (clipboard_store_path, " ", tmp, " 2>/dev/null", (char *) NULL);
  80
  81     if (cmd != NULL)
  82         my_system (EXECUTE_AS_SHELL, mc_global.tty.shell, cmd);
  83
  84     g_free (cmd);
  85     g_free (tmp);
  86     return TRUE;
  87 }
  88
  89 /* --------------------------------------------------------------------------------------------- */
  90
  91 /* event callback */
  92 gboolean
  93 clipboard_file_from_ext_clip (const gchar * event_group_name, const gchar * event_name,
  94                               gpointer init_data, gpointer data)
  95 {
  96     char *tmp, *cmd;
  97     const char *d = getenv ("DISPLAY");
  98
  99     (void) event_group_name;
 100     (void) event_name;
 101     (void) init_data;
 102     (void) data;
 103
 104     if (d == NULL || clipboard_paste_path == NULL || clipboard_paste_path[0] == '\0')
 105         return TRUE;
 106
 107     tmp = mc_config_get_full_path (EDIT_CLIP_FILE);
 108     cmd = g_strconcat (clipboard_paste_path, " > ", tmp, " 2>/dev/null", (char *) NULL);
 109
 110     if (cmd != NULL)
 111         my_system (EXECUTE_AS_SHELL, mc_global.tty.shell, cmd);
 112
 113     g_free (cmd);
 114     g_free (tmp);
 115     return TRUE;
 116 }
 117
 118 /* --------------------------------------------------------------------------------------------- */
 119
 120 /* event callback */
 121 gboolean
 122 clipboard_text_to_file (const gchar * event_group_name, const gchar * event_name,
 123                         gpointer init_data, gpointer data)
 124 {
 125     int file;
 126     vfs_path_t *fname_vpath = NULL;
 127     size_t str_len;
 128     const char *text = (const char *) data;
 129
 130     (void) event_group_name;
 131     (void) event_name;
 132     (void) init_data;
 133
 134     if (text == NULL)
 135         return FALSE;
 136
 137     fname_vpath = mc_config_get_full_vpath (EDIT_CLIP_FILE);
 138     file = mc_open (fname_vpath, O_CREAT | O_WRONLY | O_TRUNC,
 139                     S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_BINARY);
 140     vfs_path_free (fname_vpath);
 141
 142     if (file == -1)
 143         return TRUE;
 144
 145     str_len = strlen (text);
 146     {
 147         ssize_t ret;
 148
 149         ret = mc_write (file, (char *) text, str_len);
 150         (void) ret;
 151     }
 152     mc_close (file);
 153     return TRUE;
 154 }
 155
 156 /* --------------------------------------------------------------------------------------------- */
 157
 158 /* event callback */
 159 gboolean
 160 clipboard_text_from_file (const gchar * event_group_name, const gchar * event_name,
 161                           gpointer init_data, gpointer data)
 162 {
 163     char buf[BUF_LARGE];
 164     FILE *f;
 165     char *fname = NULL;
 166     gboolean first = TRUE;
 167     ev_clipboard_text_from_file_t *event_data = (ev_clipboard_text_from_file_t *) data;
 168
 169     (void) event_group_name;
 170     (void) event_name;
 171     (void) init_data;
 172
 173     fname = mc_config_get_full_path (EDIT_CLIP_FILE);
 174     f = fopen (fname, "r");
 175     g_free (fname);
 176
 177     if (f == NULL)
 178     {
 179         event_data->ret = FALSE;
 180         return TRUE;
 181     }
 182
 183     *(event_data->text) = NULL;
 184
 185     while (fgets (buf, sizeof (buf), f))
 186     {
 187         size_t len;
 188
 189         len = strlen (buf);
 190         if (len > 0)
 191         {
 192             if (buf[len - 1] == '\n')
 193                 buf[len - 1] = '\0';
 194
 195             if (first)
 196             {
 197                 first = FALSE;
 198                 *(event_data->text) = g_strdup (buf);
 199             }
 200             else
 201             {
 202                 /* remove \n on EOL */
 203                 char *tmp;
 204
 205                 tmp = g_strconcat (*(event_data->text), " ", buf, (char *) NULL);
 206                 g_free (*(event_data->text));
 207                 *(event_data->text) = tmp;
 208             }
 209         }
 210     }
 211
 212     fclose (f);
 213     event_data->ret = (*(event_data->text) != NULL);
 214     return TRUE;
 215 }
 216
 217 /* --------------------------------------------------------------------------------------------- */