1 /*****************************************************************************
2 * pda.c : PDA Gtk2 plugin for vlc
3 *****************************************************************************
4 * Copyright (C) 2002 VideoLAN
5 * $Id: pda.c,v 1.11 2003/11/25 20:41:35 jpsaman Exp $
7 * Authors: Jean-Paul Saman <jpsaman@wxs.nl>
8 * Marc Ariberti <marcari@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
28 #include <stdlib.h> /* malloc(), free() */
29 #include <errno.h> /* ENOMEM */
30 #include <string.h> /* strerror() */
38 #include "pda_callbacks.h"
39 #include "pda_interface.h"
40 #include "pda_support.h"
43 /*****************************************************************************
45 *****************************************************************************/
46 static int Open ( vlc_object_t * );
47 static void Close ( vlc_object_t * );
48 static void Run ( intf_thread_t * );
50 void GtkAutoPlayFile ( vlc_object_t * );
51 static int Manage ( intf_thread_t *p_intf );
52 void E_(GtkDisplayDate) ( GtkAdjustment *p_adj );
53 gint E_(GtkModeManage) ( intf_thread_t * p_intf );
55 /*****************************************************************************
57 *****************************************************************************/
58 #define AUTOPLAYFILE_TEXT N_("Autoplay selected file")
59 #define AUTOPLAYFILE_LONGTEXT N_("Automatically play a file when selected in the "\
60 "file selection list")
62 /*****************************************************************************
64 *****************************************************************************/
66 add_category_hint( N_("Miscellaneous"), NULL, VLC_TRUE );
67 // add_bool( "pda-autoplayfile", 1, GtkAutoPlayFile, AUTOPLAYFILE_TEXT, AUTOPLAYFILE_LONGTEXT, VLC_TRUE );
68 set_description( _("PDA Linux Gtk2+ interface") );
69 set_capability( "interface", 70 );
70 set_callbacks( Open, Close );
71 add_shortcut( "pda" );
74 /*****************************************************************************
75 * Open: initialize and create window
76 *****************************************************************************/
77 static int Open( vlc_object_t *p_this )
79 intf_thread_t *p_intf = (intf_thread_t *)p_this;
81 /* Allocate instance and initialize some members */
82 p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
83 if( p_intf->p_sys == NULL )
85 msg_Err( p_intf, "out of memory" );
90 msg_Dbg( p_intf, "Using gui-helper" );
91 p_intf->p_sys->p_gtk_main = module_Need( p_this, "gui-helper", "gtk2" );
92 if( p_intf->p_sys->p_gtk_main == NULL )
94 free( p_intf->p_sys );
99 /* Initialize Gtk+ thread */
100 p_intf->p_sys->p_input = NULL;
102 p_intf->p_sys->b_autoplayfile = 1;
103 p_intf->p_sys->b_playing = 0;
104 p_intf->p_sys->b_slider_free = 1;
106 p_intf->pf_run = Run;
111 /*****************************************************************************
112 * Close: destroy interface window
113 *****************************************************************************/
114 static void Close( vlc_object_t *p_this )
116 intf_thread_t *p_intf = (intf_thread_t *)p_this;
118 if( p_intf->p_sys->p_input )
120 vlc_object_release( p_intf->p_sys->p_input );
123 #ifdef NEED_GTK2_MAIN
124 msg_Dbg( p_intf, "Releasing gui-helper" );
125 module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
128 /* Destroy structure */
129 free( p_intf->p_sys );
132 /*****************************************************************************
134 *****************************************************************************
135 * this part of the interface is in a separate thread so that we can call
136 * gtk_main() from within it without annoying the rest of the program.
137 *****************************************************************************/
138 static void Run( intf_thread_t *p_intf )
140 #ifndef NEED_GTK2_MAIN
141 /* gtk_init needs to know the command line. We don't care, so we
142 * give it an empty one */
143 char *p_args[] = { "", NULL };
144 char **pp_args = p_args;
148 GtkCellRenderer *renderer = NULL;
149 GtkTreeViewColumn *column = NULL;
150 GtkListStore *filelist = NULL;
151 GtkListStore *playlist = NULL;
153 #ifndef NEED_GTK2_MAIN
155 msg_Dbg( p_intf, "Starting pda GTK2+ interface" );
156 gtk_init( &i_args, &pp_args );
158 /* Initialize Gtk+ */
159 msg_Dbg( p_intf, "Starting pda GTK2+ interface thread" );
163 /* Create some useful widgets that will certainly be used */
165 add_pixmap_directory("share");
166 add_pixmap_directory("/usr/share/vlc");
168 /* Path for pixmaps under linupy 1.4 */
169 add_pixmap_directory("/usr/local/share/pixmaps/vlc");
171 /* Path for pixmaps under linupy 2.0 */
172 add_pixmap_directory("/usr/share/pixmaps/vlc");
174 p_intf->p_sys->p_window = create_pda();
175 if (p_intf->p_sys->p_window == NULL)
177 msg_Err( p_intf, "unable to create pda interface" );
180 /* Store p_intf to keep an eye on it */
181 msg_Dbg( p_intf, "trying to store p_intf pointer ... " );
182 gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
184 msg_Dbg( p_intf, "trying to store p_intf pointer ... done" );
186 /* Set the title of the main window */
187 gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
188 VOUT_TITLE " (PDA Linux interface)");
190 /* Get the notebook object */
191 p_intf->p_sys->p_notebook = GTK_NOTEBOOK( gtk_object_get_data(
192 GTK_OBJECT( p_intf->p_sys->p_window ), "notebook" ) );
194 /* Get the slider object */
195 p_intf->p_sys->p_slider = GTK_HSCALE( gtk_object_get_data(
196 GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) );
197 p_intf->p_sys->p_slider_label = GTK_LABEL( gtk_object_get_data(
198 GTK_OBJECT( p_intf->p_sys->p_window ), "slider_label" ) );
201 /* Connect the date display to the slider */
202 msg_Dbg( p_intf, "setting slider adjustment ... " );
203 #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
204 GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
205 p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
207 gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
208 GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
209 p_intf->p_sys->f_adj_oldvalue = 0;
210 p_intf->p_sys->i_adj_oldvalue = 0;
212 msg_Dbg( p_intf, "setting slider adjustment ... done" );
215 /* BEGIN OF FILEVIEW GTK_TREE_VIEW */
216 msg_Dbg(p_intf, "Getting GtkTreeView FileList" );
217 p_intf->p_sys->p_tvfile = NULL;
218 p_intf->p_sys->p_tvfile = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
220 if (NULL == p_intf->p_sys->p_tvfile)
221 msg_Err(p_intf, "Error obtaining pointer to File List");
223 /* Insert columns 0 */
224 renderer = gtk_cell_renderer_text_new ();
225 gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 0, _("Filename"), renderer, NULL);
226 column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 0 );
227 gtk_tree_view_column_add_attribute(column, renderer, "text", 0 );
228 gtk_tree_view_column_set_sort_column_id(column, 0);
229 /* Insert columns 1 */
230 renderer = gtk_cell_renderer_text_new ();
231 gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 1, _("Permissions"), renderer, NULL);
232 column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 1 );
233 gtk_tree_view_column_add_attribute(column, renderer, "text", 1 );
234 gtk_tree_view_column_set_sort_column_id(column, 1);
235 /* Insert columns 2 */
236 renderer = gtk_cell_renderer_text_new ();
237 gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 2, _("Size"), renderer, NULL);
238 column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 2 );
239 gtk_tree_view_column_add_attribute(column, renderer, "text", 2 );
240 gtk_tree_view_column_set_sort_column_id(column, 2);
241 /* Insert columns 3 */
242 renderer = gtk_cell_renderer_text_new ();
243 gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 3, _("Owner"), renderer, NULL);
244 column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 3 );
245 gtk_tree_view_column_add_attribute(column, renderer, "text", 3 );
246 gtk_tree_view_column_set_sort_column_id(column, 3);
247 /* Insert columns 4 */
248 renderer = gtk_cell_renderer_text_new ();
249 gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 4, _("Group"), renderer, NULL);
250 column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 4 );
251 gtk_tree_view_column_add_attribute(column, renderer, "text", 4 );
252 gtk_tree_view_column_set_sort_column_id(column, 4);
254 /* Get new directory listing */
255 msg_Dbg(p_intf, "Populating GtkTreeView FileList" );
256 filelist = gtk_list_store_new (5,
257 G_TYPE_STRING, /* Filename */
258 G_TYPE_STRING, /* permissions */
259 G_TYPE_UINT64, /* File size */
260 G_TYPE_STRING, /* Owner */
261 G_TYPE_STRING);/* Group */
262 ReadDirectory(p_intf, filelist, ".");
263 msg_Dbg(p_intf, "Showing GtkTreeView FileList" );
264 gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile), GTK_TREE_MODEL(filelist));
265 g_object_unref(filelist); /* Model will be released by GtkTreeView */
266 gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile)),GTK_SELECTION_MULTIPLE);
268 /* Column properties */
269 gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvfile, TRUE);
270 gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvfile);
271 gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile),TRUE);
272 /* END OF FILEVIEW GTK_TREE_VIEW */
274 /* BEGIN OF PLAYLIST GTK_TREE_VIEW */
275 msg_Dbg(p_intf, "Getting GtkTreeView PlayList" );
276 p_intf->p_sys->p_tvplaylist = NULL;
277 p_intf->p_sys->p_tvplaylist = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window, "tvPlaylist");
278 if (NULL == p_intf->p_sys->p_tvplaylist)
279 msg_Err(p_intf, "Error obtaining pointer to Play List");
282 renderer = gtk_cell_renderer_text_new ();
283 gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 0, _("Filename"), renderer, NULL);
284 column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 0 );
285 gtk_tree_view_column_add_attribute(column, renderer, "text", 0 );
286 gtk_tree_view_column_set_sort_column_id(column, 0);
288 renderer = gtk_cell_renderer_text_new ();
289 gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 1, _("Time"), renderer, NULL);
290 column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 1 );
291 gtk_tree_view_column_add_attribute(column, renderer, "text", 1 );
292 gtk_tree_view_column_set_sort_column_id(column, 1);
294 /* update the playlist */
295 msg_Dbg(p_intf, "Populating GtkTreeView Playlist" );
296 playlist = gtk_list_store_new (2,
297 G_TYPE_STRING, /* Filename */
298 G_TYPE_STRING);/* Time */
299 PlaylistRebuildListStore( playlist, vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE ));
300 msg_Dbg(p_intf, "Showing GtkTreeView Playlist" );
301 gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist), GTK_TREE_MODEL(playlist));
302 g_object_unref(playlist);
303 gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist)),GTK_SELECTION_MULTIPLE);
305 /* Column properties */
306 gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
307 gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
308 gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
309 /* END OF PLAYLIST GTK_TREE_VIEW */
311 /* Show the control window */
312 gtk_widget_show( p_intf->p_sys->p_window );
314 #ifdef NEED_GTK2_MAIN
315 msg_Dbg( p_intf, "Manage GTK keyboard events using threads" );
316 while( !p_intf->b_die )
320 /* Sleep to avoid using all CPU - since some interfaces need to
321 * access keyboard events, a 100ms delay is a good compromise */
323 if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
324 msleep( INTF_IDLE_SLEEP );
330 msg_Dbg( p_intf, "Manage GTK keyboard events using timeouts" );
331 /* Sleep to avoid using all CPU - since some interfaces needs to access
332 * keyboard events, a 1000ms delay is a good compromise */
333 if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
334 i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage, p_intf );
336 i_dummy = gtk_timeout_add( 1000, (GtkFunction)Manage, p_intf );
340 /* Remove the timeout */
341 gtk_timeout_remove( i_dummy );
344 gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
345 #ifdef NEED_GTK2_MAIN
350 /*****************************************************************************
351 * GtkAutoplayFile: Autoplay file depending on configuration settings
352 *****************************************************************************/
353 void GtkAutoPlayFile( vlc_object_t *p_this )
355 GtkWidget *cbautoplay;
356 intf_thread_t *p_intf;
358 vlc_list_t *p_list = vlc_list_find( p_this, VLC_OBJECT_INTF,
361 for( i_index = 0; i_index < p_list->i_count; i_index++ )
363 p_intf = (intf_thread_t *)p_list->p_values[i_index].p_object ;
365 if( strcmp( MODULE_STRING, p_intf->p_module->psz_object_name ) )
369 cbautoplay = GTK_WIDGET( gtk_object_get_data(
370 GTK_OBJECT( p_intf->p_sys->p_window ),
373 if( !config_GetInt( p_this, "pda-autoplayfile" ) )
375 p_intf->p_sys->b_autoplayfile = VLC_FALSE;
379 p_intf->p_sys->b_autoplayfile = VLC_TRUE;
381 gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( cbautoplay ),
382 p_intf->p_sys->b_autoplayfile );
384 vlc_list_release( p_list );
387 /* following functions are local */
389 /*****************************************************************************
390 * Manage: manage main thread messages
391 *****************************************************************************
392 * In this function, called approx. 10 times a second, we check what the
393 * main program wanted to tell us.
394 *****************************************************************************/
395 static int Manage( intf_thread_t *p_intf )
397 GtkListStore *p_liststore;
398 vlc_mutex_lock( &p_intf->change_lock );
400 /* Update the input */
401 if( p_intf->p_sys->p_input == NULL )
403 p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
406 else if( p_intf->p_sys->p_input->b_dead )
408 vlc_object_release( p_intf->p_sys->p_input );
409 p_intf->p_sys->p_input = NULL;
412 if( p_intf->p_sys->p_input )
414 input_thread_t *p_input = p_intf->p_sys->p_input;
416 vlc_mutex_lock( &p_input->stream.stream_lock );
417 if( !p_input->b_die )
419 /* New input or stream map change */
420 if( p_input->stream.b_changed )
422 playlist_t *p_playlist;
424 E_(GtkModeManage)( p_intf );
425 p_intf->p_sys->b_playing = 1;
427 /* update playlist interface */
428 p_playlist = (playlist_t *) vlc_object_find(
429 p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
430 if (p_playlist != NULL)
432 msg_Dbg(p_intf, "Manage: Populating GtkTreeView Playlist" );
433 p_liststore = gtk_list_store_new (2,
436 PlaylistRebuildListStore(p_liststore, p_playlist);
437 msg_Dbg(p_intf, "Manage: Updating GtkTreeView Playlist" );
438 gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
439 vlc_object_release( p_playlist );
443 /* Manage the slider */
444 if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
446 /* Manage the slider for CPU_CAPABILITY_FPU hardware */
447 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
449 float newvalue = p_intf->p_sys->p_adj->value;
451 #define p_area p_input->stream.p_selected_area
452 /* If the user hasn't touched the slider since the last time,
453 * then the input can safely change it */
454 if( newvalue == p_intf->p_sys->f_adj_oldvalue )
456 /* Update the value */
457 p_intf->p_sys->p_adj->value =
458 p_intf->p_sys->f_adj_oldvalue =
459 ( 100. * p_area->i_tell ) / p_area->i_size;
460 gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
463 /* Otherwise, send message to the input if the user has
464 * finished dragging the slider */
465 else if( p_intf->p_sys->b_slider_free )
467 off_t i_seek = ( newvalue * p_area->i_size ) / 100;
469 /* release the lock to be able to seek */
470 vlc_mutex_unlock( &p_input->stream.stream_lock );
471 input_Seek( p_input, i_seek, INPUT_SEEK_SET );
472 vlc_mutex_lock( &p_input->stream.stream_lock );
474 /* Update the old value */
475 p_intf->p_sys->f_adj_oldvalue = newvalue;
482 /* Manage the slider without CPU_CAPABILITY_FPU hardware */
483 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
485 off_t newvalue = p_intf->p_sys->p_adj->value;
487 #define p_area p_input->stream.p_selected_area
488 /* If the user hasn't touched the slider since the last time,
489 * then the input can safely change it */
490 if( newvalue == p_intf->p_sys->i_adj_oldvalue )
492 /* Update the value */
493 p_intf->p_sys->p_adj->value =
494 p_intf->p_sys->i_adj_oldvalue =
495 ( 100 * p_area->i_tell ) / p_area->i_size;
496 gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
499 /* Otherwise, send message to the input if the user has
500 * finished dragging the slider */
501 else if( p_intf->p_sys->b_slider_free )
503 off_t i_seek = ( newvalue * p_area->i_size ) / 100;
505 /* release the lock to be able to seek */
506 vlc_mutex_unlock( &p_input->stream.stream_lock );
507 input_Seek( p_input, i_seek, INPUT_SEEK_SET );
508 vlc_mutex_lock( &p_input->stream.stream_lock );
510 /* Update the old value */
511 p_intf->p_sys->i_adj_oldvalue = newvalue;
517 vlc_mutex_unlock( &p_input->stream.stream_lock );
519 else if( p_intf->p_sys->b_playing && !p_intf->b_die )
521 E_(GtkModeManage)( p_intf );
522 p_intf->p_sys->b_playing = 0;
525 #ifndef NEED_GTK2_MAIN
528 vlc_mutex_unlock( &p_intf->change_lock );
530 /* Prepare to die, young Skywalker */
537 vlc_mutex_unlock( &p_intf->change_lock );
542 /*****************************************************************************
543 * GtkDisplayDate: display stream date
544 *****************************************************************************
545 * This function displays the current date related to the position in
546 * the stream. It is called whenever the slider changes its value.
547 * The lock has to be taken before you call the function.
548 *****************************************************************************/
549 void E_(GtkDisplayDate)( GtkAdjustment *p_adj )
551 intf_thread_t *p_intf;
553 p_intf = gtk_object_get_data( GTK_OBJECT( p_adj ), "p_intf" );
555 if( p_intf->p_sys->p_input )
557 #define p_area p_intf->p_sys->p_input->stream.p_selected_area
558 char psz_time[ OFFSETTOTIME_MAX_SIZE ];
560 gtk_label_set_text( GTK_LABEL( p_intf->p_sys->p_slider_label ),
561 input_OffsetToTime( p_intf->p_sys->p_input, psz_time,
562 ( p_area->i_size * p_adj->value ) / 100 ) );
567 /*****************************************************************************
568 * GtkModeManage: actualize the aspect of the interface whenever the input
570 *****************************************************************************
571 * The lock has to be taken before you call the function.
572 *****************************************************************************/
573 gint E_(GtkModeManage)( intf_thread_t * p_intf )
575 GtkWidget * p_slider;
576 vlc_bool_t b_control;
578 #define GETWIDGET( ptr, name ) GTK_WIDGET( gtk_object_get_data( GTK_OBJECT( \
579 p_intf->p_sys->ptr ) , ( name ) ) )
581 p_slider = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
582 p_intf->p_sys->p_window ), "slider" ) );
583 gtk_widget_hide( GTK_WIDGET( p_slider ) );
585 /* controls unavailable */
588 /* show the box related to current input mode */
589 if( p_intf->p_sys->p_input )
591 /* initialize and show slider for seekable streams */
592 if( p_intf->p_sys->p_input->stream.b_seekable )
594 if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
595 p_intf->p_sys->p_adj->value = p_intf->p_sys->f_adj_oldvalue = 0;
597 p_intf->p_sys->p_adj->value = p_intf->p_sys->i_adj_oldvalue = 0;
598 gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
600 gtk_widget_show( GTK_WIDGET( p_slider ) );
603 /* control buttons for free pace streams */
604 b_control = p_intf->p_sys->p_input->stream.b_pace_control;
606 p_intf->p_sys->p_input->stream.b_changed = 0;
607 msg_Dbg( p_intf, "stream has changed, refreshing interface" );
610 /* set control items */
611 gtk_widget_set_sensitive( GETWIDGET(p_window, "tbRewind"), b_control );
612 gtk_widget_set_sensitive( GETWIDGET(p_window, "tbPause"), b_control );
613 gtk_widget_set_sensitive( GETWIDGET(p_window, "tbForward"), b_control );