Ticket #30 (use external clipboard utility)

added params clipbord_store, clipbord_paste into [Misc] section.
    created src/clipbord.[ch]
    added copy_file_to_ext_clip, paste_to_file_from_ext_clip for copy/paste
    text to the global X clipboard.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
Signed-off-by: Ilia Maslakov <il.smind@gmail.com>

src/Makefile.am

@@ -87,6 +87,7 @@ mc_SOURCES = \
 	boxes.c boxes.h \
 	chmod.c chmod.h \
 	chown.c chown.h \
+	clipboard.c clipboard.h \
 	cmd.c cmd.h \
 	command.c command.h \
 	complete.c \

src/clipboard.c

@@ -0,0 +1,80 @@
+/*
+   Util for external clipboard.
+
+   Copyright (C) 2009 The Free Software Foundation, Inc.
+
+   Written by:
+   Ilia Maslakon <il.smind@gmail.com>, 2010.
+
+   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 2 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, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/fileloc.h"
+
+#include "main.h"
+#include "src/execute.h"
+
+#include "clipboard.h"
+
+gboolean
+copy_file_to_ext_clip (void)
+{
+    char *tmp, *cmd;
+    int res = 0;
+    const char *d = getenv ("DISPLAY");
+
+    if (d == NULL || clipbord_store_path == NULL || clipbord_store_path[0] =='\0')
+        return FALSE;
+
+    tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
+    cmd = g_strconcat (clipbord_store_path, " ", tmp, " 2>/dev/null", (char *) NULL);
+
+    if (cmd != NULL)
+        res = my_system (EXECUTE_AS_SHELL, shell, cmd);
+
+    g_free (cmd);
+    g_free (tmp);
+    return TRUE;
+}
+
+gboolean
+paste_to_file_from_ext_clip (void)
+{
+    char *tmp, *cmd;
+    int res = 0;
+    const char *d = getenv ("DISPLAY");
+
+    if (d == NULL || clipbord_paste_path == NULL || clipbord_paste_path[0] == '\0')
+        return FALSE;
+
+    tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
+    cmd = g_strconcat (clipbord_paste_path, " > ", tmp, " 2>/dev/null", (char *) NULL);
+
+    if (cmd != NULL)
+        res = my_system (EXECUTE_AS_SHELL, shell, cmd);
+
+    g_free (cmd);
+    g_free (tmp);
+    return TRUE;
+}

src/clipboard.h

@@ -0,0 +1,12 @@
+
+/** \file  clipboard.h
+ *  \brief Header: Util for external clipboard
+ */
+
+#ifndef MC_CLIPBOARD_H
+#define MC_CLIPBOARD_H
+
+gboolean copy_file_to_ext_clip (void);
+gboolean paste_to_file_from_ext_clip (void);
+
+#endif

src/editor/editcmd.c

@@ -62,6 +62,7 @@
 #include "src/charsets.h"
 #include "src/selcodepage.h"
 #include "src/cmddef.h"
+#include "src/clipboard.h"      /* copy_file_to_ext_clip, paste_to_file_from_ext_clip */
 
 #include "src/editor/edit-impl.h"
 #include "src/editor/editlock.h"
@@ -2165,7 +2166,6 @@ edit_save_block_to_clip_file (WEdit * edit, long start, long finish)
     return ret;
 }
 
-
 void
 edit_paste_from_history (WEdit * edit)
 {
@@ -2185,6 +2185,9 @@ edit_copy_to_X_buf_cmd (WEdit * edit)
                            get_sys_error (_("Unable to save to file")));
         return 1;
     }
+    /* try use external clipboard utility */
+    copy_file_to_ext_clip ();
+
     edit_mark_cmd (edit, 1);
     return 0;
 }
@@ -2200,6 +2203,9 @@ edit_cut_to_X_buf_cmd (WEdit * edit)
         edit_error_dialog (_("Cut to clipboard"), _("Unable to save to file"));
         return 1;
     }
+    /* try use external clipboard utility */
+    copy_file_to_ext_clip ();
+
     edit_block_delete_cmd (edit);
     edit_mark_cmd (edit, 1);
     return 0;
@@ -2209,6 +2215,8 @@ void
 edit_paste_from_X_buf_cmd (WEdit * edit)
 {
     gchar *tmp;
+    /* try use external clipboard utility */
+    paste_to_file_from_ext_clip ();
     tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
     edit_insert_file (edit, tmp);
     g_free (tmp);

src/ext.c

@@ -797,3 +797,4 @@ regex_command (const char *filename, const char *action, int *move_dir)
         return -1;
     return ret;
 }
+

src/main.c

@@ -256,6 +256,10 @@ int boot_current_is_left = 1;
  */
 int xtree_mode = 0;
 
+/* path to X clipboard utility */
+char* clipbord_store_path = NULL;
+char* clipbord_paste_path = NULL;
+
 /* If set, then print to the given file the last directory we were at */
 static char *last_wd_string = NULL;
 /* Set to 1 to suppress printing the last directory */
@@ -2212,6 +2216,9 @@ main (int argc, char *argv[])
     free_codepages_list ();
     g_free (autodetect_codeset);
 #endif
+    g_free (clipbord_store_path);
+    g_free (clipbord_paste_path);
+
     str_uninit_strings ();
 
     g_free (mc_run_param0);

src/main.h

@@ -69,6 +69,9 @@ extern int eight_bit_clean;
 extern int full_eight_bits;
 #endif /* !HAVE_CHARSET */
 
+extern char* clipbord_store_path;
+extern char* clipbord_paste_path;
+
 extern int utf8_display;
 
 extern int fast_refresh;

src/setup.c

@@ -827,6 +827,8 @@ load_setup (void)
     if (buffer != NULL)
         utf8_display = str_isutf8 (buffer);
 #endif /* HAVE_CHARSET */
+    clipbord_store_path = mc_config_get_string (mc_main_config, "Misc", "clipboard_store", "");
+    clipbord_paste_path = mc_config_get_string (mc_main_config, "Misc", "clipboard_paste", "");
 }
 
 gboolean
@@ -858,6 +860,9 @@ save_setup (void)
                           get_codepage_id (default_source_codepage));
     mc_config_set_string (mc_main_config, "Misc", "autodetect_codeset", autodetect_codeset);
 #endif /* HAVE_CHARSET */
+    mc_config_set_string (mc_main_config, "Misc", "clipboard_store", clipbord_store_path);
+    mc_config_set_string (mc_main_config, "Misc", "clipboard_paste", clipbord_paste_path);
+
     tmp_profile = g_build_filename (home_dir, MC_USERCONF_DIR, MC_CONFIG_FILE, NULL);
     ret = mc_config_save_to_file (mc_main_config, tmp_profile, NULL);
 

src/widget.c

@@ -61,6 +61,7 @@
 #include "panel.h"              /* current_panel */
 #include "main.h"               /* confirm_history_cleanup */
 #include "setup.h"              /* num_history_items_recorded */
+#include "clipboard.h"          /* copy_file_to_ext_clip, paste_to_file_from_ext_clip */
 
 static void
 widget_selectcolor (Widget * w, gboolean focused, gboolean hotkey)
@@ -1824,6 +1825,8 @@ copy_region (WInput * in, int x_first, int x_last)
     {
         /* Copy selected files to clipboard */
         panel_save_curent_file_to_clip_file ();
+        /* try use external clipboard utility */
+        copy_file_to_ext_clip ();
         return;
     }
 
@@ -1833,7 +1836,10 @@ copy_region (WInput * in, int x_first, int x_last)
     last = str_offset_to_pos (in->buffer, last);
 
     kill_buffer = g_strndup (in->buffer + first, last - first);
+
     save_text_to_clip_file (kill_buffer);
+    /* try use external clipboard utility */
+    copy_file_to_ext_clip ();
 }
 
 static void
@@ -1922,6 +1928,9 @@ ins_from_clip (WInput * in)
 {
     char *p = NULL;
 
+    /* try use external clipboard utility */
+    paste_to_file_from_ext_clip ();
+
     if (load_text_from_clip_file (&p))
     {
         char *pp;