git.sesse.net Git - vlc/blob - modules/gui/pda/pda.c

   1 /*****************************************************************************
   2  * pda.c : PDA Gtk2 plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002 VideoLAN
   5  * $Id: pda.c,v 1.4 2003/10/03 18:04:58 jpsaman Exp $
   6  *
   7  * Authors: Jean-Paul Saman <jpsaman@wxs.nl>
   8  *          Marc Ariberti <marcari@videolan.org>
   9  *
  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.
  14  *
  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.
  19  *
  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  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29 #include <errno.h>                                                 /* ENOMEM */
  30 #include <string.h>                                            /* strerror() */
  31 #include <stdio.h>
  32
  33 #include <vlc/vlc.h>
  34 #include <vlc/intf.h>
  35
  36 #include <gtk/gtk.h>
  37
  38 #ifdef HAVE_GPE_INIT_H
  39 #include <gpe/init.h>
  40 #endif
  41
  42 #include "pda_callbacks.h"
  43 #include "pda_interface.h"
  44 #include "pda_support.h"
  45 #include "pda.h"
  46
  47 /*****************************************************************************
  48  * Local prototypes.
  49  *****************************************************************************/
  50 static int  Open         ( vlc_object_t * );
  51 static void Close        ( vlc_object_t * );
  52 static void Run          ( intf_thread_t * );
  53
  54 void GtkAutoPlayFile     ( vlc_object_t * );
  55 static int Manage        ( intf_thread_t *p_intf );
  56 void E_(GtkDisplayDate)  ( GtkAdjustment *p_adj );
  57 gint E_(GtkModeManage)   ( intf_thread_t * p_intf );
  58
  59 /*****************************************************************************
  60  * Module descriptor
  61  *****************************************************************************/
  62 #define AUTOPLAYFILE_TEXT  N_("Autoplay selected file")
  63 #define AUTOPLAYFILE_LONGTEXT N_("Automatically play a file when selected in the "\
  64         "file selection list")
  65
  66 /*****************************************************************************
  67  * Module descriptor
  68  *****************************************************************************/
  69 vlc_module_begin();
  70     add_category_hint( N_("Miscellaneous"), NULL, VLC_TRUE );
  71 //    add_bool( "pda-autoplayfile", 1, GtkAutoPlayFile, AUTOPLAYFILE_TEXT, AUTOPLAYFILE_LONGTEXT, VLC_TRUE );
  72     set_description( _("PDA Linux Gtk2+ interface") );
  73     set_capability( "interface", 70 );
  74     set_callbacks( Open, Close );
  75     add_shortcut( "pda" );
  76 vlc_module_end();
  77
  78 /*****************************************************************************
  79  * Open: initialize and create window
  80  *****************************************************************************/
  81 static int Open( vlc_object_t *p_this )
  82 {
  83     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  84
  85     /* Allocate instance and initialize some members */
  86     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
  87     if( p_intf->p_sys == NULL )
  88     {
  89         msg_Err( p_intf, "out of memory" );
  90         return VLC_ENOMEM;
  91     }
  92
  93 #ifdef NEED_GTK2_MAIN
  94     msg_Dbg( p_intf, "Using gui-helper" );
  95     p_intf->p_sys->p_gtk_main = module_Need( p_this, "gui-helper", "gtk2" );
  96     if( p_intf->p_sys->p_gtk_main == NULL )
  97     {
  98         free( p_intf->p_sys );
  99         return VLC_ENOMOD;
 100     }
 101 #endif
 102
 103     /* Initialize Gtk+ thread */
 104     p_intf->p_sys->p_input = NULL;
 105
 106     p_intf->p_sys->b_autoplayfile = 1;
 107     p_intf->p_sys->b_playing = 0;
 108     p_intf->p_sys->b_slider_free = 1;
 109
 110     p_intf->pf_run = Run;
 111
 112     return VLC_SUCCESS;
 113 }
 114
 115 /*****************************************************************************
 116  * Close: destroy interface window
 117  *****************************************************************************/
 118 static void Close( vlc_object_t *p_this )
 119 {
 120     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 121
 122     if( p_intf->p_sys->p_input )
 123     {
 124         vlc_object_release( p_intf->p_sys->p_input );
 125     }
 126
 127 #ifdef NEED_GTK2_MAIN
 128     msg_Dbg( p_intf, "Releasing gui-helper" );
 129     module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
 130 #endif
 131
 132     /* Destroy structure */
 133     free( p_intf->p_sys );
 134 }
 135
 136 /*****************************************************************************
 137  * Run: Gtk+ thread
 138  *****************************************************************************
 139  * this part of the interface is in a separate thread so that we can call
 140  * gtk_main() from within it without annoying the rest of the program.
 141  *****************************************************************************/
 142 static void Run( intf_thread_t *p_intf )
 143 {
 144 #ifndef NEED_GTK2_MAIN
 145     /* gtk_init needs to know the command line. We don't care, so we
 146      * give it an empty one */
 147     char  *p_args[] = { "", NULL };
 148     char **pp_args  = p_args;
 149     int    i_args   = 1;
 150     int    i_dummy;
 151 #endif
 152     GtkCellRenderer   *renderer = NULL;
 153
 154 #ifdef HAVE_GPE_INIT_H
 155     /* Initialize GPE interface */
 156     msg_Dbg( p_intf, "Starting pda GPE interface" );
 157     if (gpe_application_init(&i_args, &pp_args) == FALSE)
 158         exit (1);
 159 #else
 160     gtk_set_locale ();
 161 #   ifndef NEED_GTK2_MAIN
 162     msg_Dbg( p_intf, "Starting pda GTK2+ interface" );
 163     gtk_init( &i_args, &pp_args );
 164 #   else
 165     /* Initialize Gtk+ */
 166     msg_Dbg( p_intf, "Starting pda GTK+ interface thread" );
 167     gdk_threads_enter();
 168 #   endif
 169 #endif
 170
 171     /* Create some useful widgets that will certainly be used */
 172 // FIXME: magic path
 173     add_pixmap_directory("share");
 174     add_pixmap_directory("/usr/share/vlc");
 175
 176     /* Path for pixmaps under linupy 1.4 */
 177     add_pixmap_directory("/usr/local/share/pixmaps/vlc");
 178
 179     /* Path for pixmaps under linupy 2.0 */
 180     add_pixmap_directory("/usr/share/pixmaps/vlc");
 181
 182     p_intf->p_sys->p_window = create_pda();
 183     if (p_intf->p_sys->p_window == NULL)
 184     {
 185         msg_Err( p_intf, "unable to create pda interface" );
 186     }
 187
 188 #if 0
 189     msg_Dbg( p_intf, "setting main window size ... " );
 190     gtk_widget_set_usize(p_intf->p_sys->p_window,
 191                          gdk_screen_width() , gdk_screen_height() - 30 );
 192     msg_Dbg( p_intf, "setting main window size ... done" );
 193 #endif
 194
 195     /* Set the title of the main window */
 196     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 197                           VOUT_TITLE " (PDA Linux interface)");
 198
 199     /* Get the notebook object */
 200     p_intf->p_sys->p_notebook = GTK_NOTEBOOK( gtk_object_get_data(
 201         GTK_OBJECT( p_intf->p_sys->p_window ), "notebook" ) );
 202     p_intf->p_sys->p_mediabook = GTK_NOTEBOOK( gtk_object_get_data(
 203         GTK_OBJECT( p_intf->p_sys->p_window ), "mediabook" ) );
 204
 205     /* Get the slider object */
 206     p_intf->p_sys->p_slider = GTK_HSCALE( gtk_object_get_data(
 207         GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) );
 208     p_intf->p_sys->p_slider_label = GTK_LABEL( gtk_object_get_data(
 209         GTK_OBJECT( p_intf->p_sys->p_window ), "slider_label" ) );
 210
 211 #if 0
 212     /* Connect the date display to the slider */
 213     msg_Dbg( p_intf, "setting slider adjustment ... " );
 214 #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 215                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 216     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 217
 218     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 219                          GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
 220     p_intf->p_sys->f_adj_oldvalue = 0;
 221     p_intf->p_sys->i_adj_oldvalue = 0;
 222 #undef P_SLIDER
 223     msg_Dbg( p_intf, "setting slider adjustment ... done" );
 224 #endif
 225
 226     /* Get the GtkTreeView filelist object */
 227     msg_Dbg(p_intf, "Getting GtkTreeView FileList" );
 228     p_intf->p_sys->p_tvfile = NULL;
 229     p_intf->p_sys->p_tvfile = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 230                                                              "tvFileList");
 231     if (NULL == p_intf->p_sys->p_tvfile)
 232        msg_Err(p_intf, "Error obtaining pointer to File List");
 233     /* Get new directory listing */
 234     msg_Dbg(p_intf, "Populating GtkTreeView FileList" );
 235     p_intf->p_sys->p_filelist = gtk_list_store_new (5,
 236                                G_TYPE_STRING, /* Filename */
 237                                G_TYPE_STRING, /* permissions */
 238                                G_TYPE_STRING, /* File size */
 239                                G_TYPE_STRING, /* Owner */
 240                                G_TYPE_STRING);/* Group */
 241     ReadDirectory(p_intf, p_intf->p_sys->p_filelist, ".");
 242     msg_Dbg(p_intf, "Showing GtkTreeView FileList" );
 243     gtk_tree_view_set_model(p_intf->p_sys->p_tvfile, GTK_TREE_MODEL(p_intf->p_sys->p_filelist));
 244     /* Insert columns */
 245     renderer = gtk_cell_renderer_text_new ();
 246     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 0, _("Filename"), renderer, NULL);
 247     renderer = gtk_cell_renderer_text_new ();
 248     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 1, _("Permissions"), renderer, NULL);
 249     renderer = gtk_cell_renderer_text_new ();
 250     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 2, _("Size"), renderer, NULL);
 251     renderer = gtk_cell_renderer_text_new ();
 252     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 3, _("Owner"), renderer, NULL);
 253     renderer = gtk_cell_renderer_text_new ();
 254     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 4, _("Group"), renderer, NULL);
 255     /* Column properties */
 256     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvfile, TRUE);
 257     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvfile);
 258     gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvfile,TRUE);
 259
 260     /* Get the GtkTreeView playlist object */
 261     msg_Dbg(p_intf, "Getting GtkTreeView PlayList" );
 262     p_intf->p_sys->p_tvplaylist = NULL;
 263     p_intf->p_sys->p_tvplaylist = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
 264                                                              "tvPlaylist");
 265     if (NULL == p_intf->p_sys->p_tvplaylist)
 266        msg_Err(p_intf, "Error obtaining pointer to Play List");
 267     /* Insert columns */
 268     renderer = gtk_cell_renderer_text_new ();
 269     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 0, _("Filename"), renderer, NULL);
 270     renderer = gtk_cell_renderer_text_new ();
 271     gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 1, _("Time"), renderer, NULL);
 272     /* update the playlist */
 273     msg_Dbg(p_intf, "Populating GtkTreeView Playlist" );
 274     p_intf->p_sys->p_playlist = gtk_list_store_new (2,
 275                                G_TYPE_STRING, /* Filename */
 276                                G_TYPE_STRING);/* Time */
 277     PlaylistRebuildListStore( p_intf->p_sys->p_playlist, vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE ));
 278     msg_Dbg(p_intf, "Showing GtkTreeView Playlist" );
 279     gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, GTK_TREE_MODEL(p_intf->p_sys->p_playlist));
 280     /* Column properties */
 281     gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
 282     gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
 283     gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
 284
 285     p_intf->p_sys->p_mrlentry = GTK_ENTRY( gtk_object_get_data(
 286         GTK_OBJECT( p_intf->p_sys->p_window ), "mrl_entry" ) );
 287
 288 #if 0
 289     /* Store p_intf to keep an eye on it */
 290     msg_Dbg( p_intf, "trying to store p_intf pointer ... " );
 291     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 292                          "p_intf", p_intf );
 293     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
 294                          "p_intf", p_intf );
 295     msg_Dbg( p_intf, "trying to store p_intf pointer ... done" );
 296 #endif
 297
 298     /* Show the control window */
 299     gtk_widget_show( p_intf->p_sys->p_window );
 300
 301 #ifdef NEED_GTK2_MAIN
 302     msg_Dbg( p_intf, "Manage GTK keyboard events using threads" );
 303     while( !p_intf->b_die )
 304     {
 305         Manage( p_intf );
 306
 307         /* Sleep to avoid using all CPU - since some interfaces need to
 308          * access keyboard events, a 100ms delay is a good compromise */
 309         gdk_threads_leave();
 310         if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 311             msleep( INTF_IDLE_SLEEP );
 312         else
 313             msleep( 1000 );
 314         gdk_threads_enter();
 315     }
 316 #else
 317     msg_Dbg( p_intf, "Manage GTK keyboard events using timeouts" );
 318     /* Sleep to avoid using all CPU - since some interfaces needs to access
 319      * keyboard events, a 1000ms delay is a good compromise */
 320     if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 321         i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage, p_intf );
 322     else
 323         i_dummy = gtk_timeout_add( 1000, (GtkFunction)Manage, p_intf );
 324
 325     /* Enter Gtk mode */
 326     gtk_main();
 327     /* Remove the timeout */
 328     gtk_timeout_remove( i_dummy );
 329 #endif
 330
 331     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 332 #ifdef NEED_GTK2_MAIN
 333     gdk_threads_leave();
 334 #endif
 335 }
 336
 337 /*****************************************************************************
 338  * GtkAutoplayFile: Autoplay file depending on configuration settings
 339  *****************************************************************************/
 340 void GtkAutoPlayFile( vlc_object_t *p_this )
 341 {
 342     GtkWidget *cbautoplay;
 343     intf_thread_t *p_intf;
 344     int i_index;
 345     vlc_list_t *p_list = vlc_list_find( p_this, VLC_OBJECT_INTF,
 346                                         FIND_ANYWHERE );
 347
 348     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 349     {
 350         p_intf = (intf_thread_t *)p_list->p_values[i_index].p_object ;
 351
 352         if( strcmp( MODULE_STRING, p_intf->p_module->psz_object_name ) )
 353         {
 354             continue;
 355         }
 356         cbautoplay = GTK_WIDGET( gtk_object_get_data(
 357                             GTK_OBJECT( p_intf->p_sys->p_window ),
 358                             "cbautoplay" ) );
 359
 360         if( !config_GetInt( p_this, "pda-autoplayfile" ) )
 361         {
 362             p_intf->p_sys->b_autoplayfile = VLC_FALSE;
 363         }
 364         else
 365         {
 366             p_intf->p_sys->b_autoplayfile = VLC_TRUE;
 367         }
 368         gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( cbautoplay ),
 369                                       p_intf->p_sys->b_autoplayfile );
 370     }
 371     vlc_list_release( p_list );
 372 }
 373
 374 /* following functions are local */
 375
 376 /*****************************************************************************
 377  * Manage: manage main thread messages
 378  *****************************************************************************
 379  * In this function, called approx. 10 times a second, we check what the
 380  * main program wanted to tell us.
 381  *****************************************************************************/
 382 static int Manage( intf_thread_t *p_intf )
 383 {
 384     GtkListStore *p_liststore;
 385     vlc_mutex_lock( &p_intf->change_lock );
 386
 387     /* Update the input */
 388     if( p_intf->p_sys->p_input == NULL )
 389     {
 390         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 391                                                           FIND_ANYWHERE );
 392     }
 393     else if( p_intf->p_sys->p_input->b_dead )
 394     {
 395         vlc_object_release( p_intf->p_sys->p_input );
 396         p_intf->p_sys->p_input = NULL;
 397     }
 398
 399     if( p_intf->p_sys->p_input )
 400     {
 401         input_thread_t *p_input = p_intf->p_sys->p_input;
 402
 403         vlc_mutex_lock( &p_input->stream.stream_lock );
 404         if( !p_input->b_die )
 405         {
 406             /* New input or stream map change */
 407             if( p_input->stream.b_changed )
 408             {
 409                 playlist_t *p_playlist;
 410
 411                 E_(GtkModeManage)( p_intf );
 412                 p_intf->p_sys->b_playing = 1;
 413
 414                 /* update playlist interface */
 415                 p_playlist = (playlist_t *) vlc_object_find(
 416                         p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 417                 if (p_playlist != NULL)
 418                 {
 419                     msg_Dbg(p_intf, "Manage: Populating GtkTreeView Playlist" );
 420                     p_liststore = gtk_list_store_new (2,
 421                                                G_TYPE_STRING,
 422                                                G_TYPE_STRING);
 423                     PlaylistRebuildListStore(p_liststore, p_playlist);
 424                     msg_Dbg(p_intf, "Manage: Updating GtkTreeView Playlist" );
 425                     gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
 426                 }
 427             }
 428
 429             /* Manage the slider */
 430             if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 431             {
 432                 /* Manage the slider for CPU_CAPABILITY_FPU hardware */
 433                 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 434                 {
 435                     float newvalue = p_intf->p_sys->p_adj->value;
 436
 437 #define p_area p_input->stream.p_selected_area
 438                     /* If the user hasn't touched the slider since the last time,
 439                      * then the input can safely change it */
 440                     if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 441                     {
 442                         /* Update the value */
 443                         p_intf->p_sys->p_adj->value =
 444                         p_intf->p_sys->f_adj_oldvalue =
 445                             ( 100. * p_area->i_tell ) / p_area->i_size;
 446                         gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 447                                                  "value_changed" );
 448                     }
 449                     /* Otherwise, send message to the input if the user has
 450                      * finished dragging the slider */
 451                     else if( p_intf->p_sys->b_slider_free )
 452                     {
 453                         off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 454
 455                         /* release the lock to be able to seek */
 456                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 457                         input_Seek( p_input, i_seek, INPUT_SEEK_SET );
 458                         vlc_mutex_lock( &p_input->stream.stream_lock );
 459
 460                         /* Update the old value */
 461                         p_intf->p_sys->f_adj_oldvalue = newvalue;
 462                     }
 463 #undef p_area
 464                 }
 465             }
 466             else
 467             {
 468                 /* Manage the slider without CPU_CAPABILITY_FPU hardware */
 469                 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 470                 {
 471                     off_t newvalue = p_intf->p_sys->p_adj->value;
 472
 473 #define p_area p_input->stream.p_selected_area
 474                     /* If the user hasn't touched the slider since the last time,
 475                      * then the input can safely change it */
 476                     if( newvalue == p_intf->p_sys->i_adj_oldvalue )
 477                     {
 478                         /* Update the value */
 479                         p_intf->p_sys->p_adj->value =
 480                         p_intf->p_sys->i_adj_oldvalue =
 481                             ( 100 * p_area->i_tell ) / p_area->i_size;
 482                         gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 483                                                  "value_changed" );
 484                     }
 485                     /* Otherwise, send message to the input if the user has
 486                      * finished dragging the slider */
 487                     else if( p_intf->p_sys->b_slider_free )
 488                     {
 489                         off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 490
 491                         /* release the lock to be able to seek */
 492                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 493                         input_Seek( p_input, i_seek, INPUT_SEEK_SET );
 494                         vlc_mutex_lock( &p_input->stream.stream_lock );
 495
 496                         /* Update the old value */
 497                         p_intf->p_sys->i_adj_oldvalue = newvalue;
 498                     }
 499 #undef p_area
 500                 }
 501             }
 502         }
 503         vlc_mutex_unlock( &p_input->stream.stream_lock );
 504     }
 505     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 506     {
 507         E_(GtkModeManage)( p_intf );
 508         p_intf->p_sys->b_playing = 0;
 509     }
 510
 511 #ifndef NEED_GTK2_MAIN
 512     if( p_intf->b_die )
 513     {
 514         vlc_mutex_unlock( &p_intf->change_lock );
 515
 516         /* Prepare to die, young Skywalker */
 517         gtk_main_quit();
 518
 519         return FALSE;
 520     }
 521 #endif
 522
 523     vlc_mutex_unlock( &p_intf->change_lock );
 524
 525     return TRUE;
 526 }
 527
 528 /*****************************************************************************
 529  * GtkDisplayDate: display stream date
 530  *****************************************************************************
 531  * This function displays the current date related to the position in
 532  * the stream. It is called whenever the slider changes its value.
 533  * The lock has to be taken before you call the function.
 534  *****************************************************************************/
 535 void E_(GtkDisplayDate)( GtkAdjustment *p_adj )
 536 {
 537     intf_thread_t *p_intf;
 538
 539     p_intf = gtk_object_get_data( GTK_OBJECT( p_adj ), "p_intf" );
 540
 541     if( p_intf->p_sys->p_input )
 542     {
 543 #define p_area p_intf->p_sys->p_input->stream.p_selected_area
 544         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
 545
 546         gtk_label_set_text( GTK_LABEL( p_intf->p_sys->p_slider_label ),
 547                         input_OffsetToTime( p_intf->p_sys->p_input, psz_time,
 548                                    ( p_area->i_size * p_adj->value ) / 100 ) );
 549 #undef p_area
 550      }
 551 }
 552
 553 /*****************************************************************************
 554  * GtkModeManage: actualize the aspect of the interface whenever the input
 555  *                changes.
 556  *****************************************************************************
 557  * The lock has to be taken before you call the function.
 558  *****************************************************************************/
 559 gint E_(GtkModeManage)( intf_thread_t * p_intf )
 560 {
 561     GtkWidget *     p_slider;
 562     vlc_bool_t      b_control;
 563
 564 #define GETWIDGET( ptr, name ) GTK_WIDGET( gtk_object_get_data( GTK_OBJECT( \
 565                            p_intf->p_sys->ptr ) , ( name ) ) )
 566     /* hide slider */
 567     p_slider = GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 568                            p_intf->p_sys->p_window ), "slider" ) );
 569     gtk_widget_hide( GTK_WIDGET( p_slider ) );
 570
 571     /* controls unavailable */
 572     b_control = 0;
 573
 574     /* show the box related to current input mode */
 575     if( p_intf->p_sys->p_input )
 576     {
 577         /* initialize and show slider for seekable streams */
 578         if( p_intf->p_sys->p_input->stream.b_seekable )
 579         {
 580             if (p_intf->p_libvlc->i_cpu & CPU_CAPABILITY_FPU)
 581                 p_intf->p_sys->p_adj->value = p_intf->p_sys->f_adj_oldvalue = 0;
 582             else
 583                 p_intf->p_sys->p_adj->value = p_intf->p_sys->i_adj_oldvalue = 0;
 584             gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 585                                      "value_changed" );
 586             gtk_widget_show( GTK_WIDGET( p_slider ) );
 587         }
 588
 589         /* control buttons for free pace streams */
 590         b_control = p_intf->p_sys->p_input->stream.b_pace_control;
 591
 592         p_intf->p_sys->p_input->stream.b_changed = 0;
 593         msg_Dbg( p_intf, "stream has changed, refreshing interface" );
 594     }
 595
 596     /* set control items */
 597     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbRewind"), b_control );
 598     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbPause"), b_control );
 599     gtk_widget_set_sensitive( GETWIDGET(p_window, "tbForward"), b_control );
 600
 601 #undef GETWIDGET
 602     return TRUE;
 603 }
 604