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     int res = 0;
  69     const char *d = getenv ("DISPLAY");
  70
  71     (void) event_group_name;
  72     (void) event_name;
  73     (void) init_data;
  74     (void) data;
  75
  76     if (d == NULL || clipboard_store_path == NULL || clipboard_store_path[0] == '\0')
  77         return TRUE;
  78
  79     tmp = mc_config_get_full_path (EDIT_CLIP_FILE);
  80     cmd = g_strconcat (clipboard_store_path, " ", tmp, " 2>/dev/null", (char *) NULL);
  81
  82     if (cmd != NULL)
  83         res = my_system (EXECUTE_AS_SHELL, mc_global.tty.shell, cmd);
  84
  85     g_free (cmd);
  86     g_free (tmp);
  87     return TRUE;
  88 }
  89
  90 /* --------------------------------------------------------------------------------------------- */
  91
  92 /* event callback */
  93 gboolean
  94 clipboard_file_from_ext_clip (const gchar * event_group_name, const gchar * event_name,
  95                               gpointer init_data, gpointer data)
  96 {
  97     char *tmp, *cmd;
  98     int res = 0;
  99     const char *d = getenv ("DISPLAY");
 100
 101     (void) event_group_name;
 102     (void) event_name;
 103     (void) init_data;
 104     (void) data;
 105
 106     if (d == NULL || clipboard_paste_path == NULL || clipboard_paste_path[0] == '\0')
 107         return TRUE;
 108
 109     tmp = mc_config_get_full_path (EDIT_CLIP_FILE);
 110     cmd = g_strconcat (clipboard_paste_path, " > ", tmp, " 2>/dev/null", (char *) NULL);
 111
 112     if (cmd != NULL)
 113         res = my_system (EXECUTE_AS_SHELL, mc_global.tty.shell, cmd);
 114
 115     g_free (cmd);
 116     g_free (tmp);
 117     return TRUE;
 118 }
 119
 120 /* --------------------------------------------------------------------------------------------- */
 121
 122 /* event callback */
 123 gboolean
 124 clipboard_text_to_file (const gchar * event_group_name, const gchar * event_name,
 125                         gpointer init_data, gpointer data)
 126 {
 127     int file;
 128     vfs_path_t *fname_vpath = NULL;
 129     ssize_t ret;
 130     size_t str_len;
 131     const char *text = (const char *) data;
 132
 133     (void) event_group_name;
 134     (void) event_name;
 135     (void) init_data;
 136
 137     if (text == NULL)
 138         return FALSE;
 139
 140     fname_vpath = mc_config_get_full_vpath (EDIT_CLIP_FILE);
 141     file = mc_open (fname_vpath, O_CREAT | O_WRONLY | O_TRUNC,
 142                     S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_BINARY);
 143     vfs_path_free (fname_vpath);
 144
 145     if (file == -1)
 146         return TRUE;
 147
 148     str_len = strlen (text);
 149     ret = mc_write (file, (char *) text, str_len);
 150     mc_close (file);
 151     return TRUE;
 152 }
 153
 154 /* --------------------------------------------------------------------------------------------- */
 155
 156 /* event callback */
 157 gboolean
 158 clipboard_text_from_file (const gchar * event_group_name, const gchar * event_name,
 159                           gpointer init_data, gpointer data)
 160 {
 161     char buf[BUF_LARGE];
 162     FILE *f;
 163     char *fname = NULL;
 164     gboolean first = TRUE;
 165     ev_clipboard_text_from_file_t *event_data = (ev_clipboard_text_from_file_t *) data;
 166
 167     (void) event_group_name;
 168     (void) event_name;
 169     (void) init_data;
 170
 171     fname = mc_config_get_full_path (EDIT_CLIP_FILE);
 172     f = fopen (fname, "r");
 173     g_free (fname);
 174
 175     if (f == NULL)
 176     {
 177         event_data->ret = FALSE;
 178         return TRUE;
 179     }
 180
 181     *(event_data->text) = NULL;
 182
 183     while (fgets (buf, sizeof (buf), f))
 184     {
 185         size_t len;
 186
 187         len = strlen (buf);
 188         if (len > 0)
 189         {
 190             if (buf[len - 1] == '\n')
 191                 buf[len - 1] = '\0';
 192
 193             if (first)
 194             {
 195                 first = FALSE;
 196                 *(event_data->text) = g_strdup (buf);
 197             }
 198             else
 199             {
 200                 /* remove \n on EOL */
 201                 char *tmp;
 202
 203                 tmp = g_strconcat (*(event_data->text), " ", buf, (char *) NULL);
 204                 g_free (*(event_data->text));
 205                 *(event_data->text) = tmp;
 206             }
 207         }
 208     }
 209
 210     fclose (f);
 211     event_data->ret = (*(event_data->text) != NULL);
 212     return TRUE;
 213 }
 214
 215 /* --------------------------------------------------------------------------------------------- */