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

   1 /*****************************************************************************
   2  * gnome.c : Gnome plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2000 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdlib.h>                                      /* malloc(), free() */
  28 #include <errno.h>                                                 /* ENOMEM */
  29 #include <string.h>                                            /* strerror() */
  30 #include <stdio.h>
  31
  32 #include <vlc/vlc.h>
  33 #include <vlc/intf.h>
  34
  35 #include <gnome.h>
  36
  37 #include "gnome_callbacks.h"
  38 #include "gnome_interface.h"
  39 #include "gnome_support.h"
  40 #include "display.h"
  41 #include "common.h"
  42
  43 /*****************************************************************************
  44  * Local prototypes.
  45  *****************************************************************************/
  46 static int  Open         ( vlc_object_t * );
  47 static void Close        ( vlc_object_t * );
  48
  49 static void Run          ( intf_thread_t * );
  50 static void Manage       ( intf_thread_t * );
  51
  52 /*****************************************************************************
  53  * Module descriptor
  54  *****************************************************************************/
  55 #define TOOLTIPS_TEXT N_("Show tooltips")
  56 #define TOOLTIPS_LONGTEXT N_("Show tooltips for configuration options.")
  57
  58 #define TOOLBAR_TEXT N_("Show text on toolbar buttons")
  59 #define TOOLBAR_LONGTEXT N_("Show the text below icons on the toolbar.")
  60
  61 #define PREFS_MAXH_TEXT N_("Maximum height for the configuration windows")
  62 #define PREFS_MAXH_LONGTEXT N_( \
  63     "You can set the maximum height that the configuration windows in the " \
  64     "preferences menu will occupy.")
  65
  66 #define PATH_TEXT N_("Interface default search path")
  67 #define PATH_LONGTEXT N_( \
  68     "This option allows you to set the default path that the interface will " \
  69     "open when looking for a file.")
  70
  71 vlc_module_begin();
  72 #ifdef WIN32
  73     int i = 90;
  74 #else
  75     int i = getenv( "DISPLAY" ) == NULL ? 15 : 100;
  76 #endif
  77     set_description( _("GNOME interface") );
  78
  79     add_bool( "gnome-tooltips", 1, E_(GtkHideTooltips),
  80               TOOLTIPS_TEXT, TOOLTIPS_LONGTEXT, VLC_FALSE );
  81     add_bool( "gnome-toolbartext", 1, GtkHideToolbarText, TOOLBAR_TEXT,
  82               TOOLBAR_LONGTEXT, VLC_FALSE );
  83     add_integer( "gnome-prefs-maxh", 480, NULL,
  84                  PREFS_MAXH_TEXT, PREFS_MAXH_LONGTEXT, VLC_TRUE );
  85     add_directory( "gnome-search-path", NULL, NULL, PATH_TEXT,
  86                    PATH_LONGTEXT, VLC_TRUE );
  87
  88     set_capability( "interface", i );
  89     set_callbacks( Open, Close );
  90     set_program( "gnome-vlc" );
  91 vlc_module_end();
  92
  93 /*****************************************************************************
  94  * Open: initialize and create window
  95  *****************************************************************************/
  96 static int Open( vlc_object_t *p_this )
  97 {
  98     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  99
 100     /* Allocate instance and initialize some members */
 101     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
 102     if( p_intf->p_sys == NULL )
 103     {
 104         msg_Err( p_intf, "out of memory" );
 105         return VLC_ENOMEM;
 106     }
 107
 108     p_intf->p_sys->p_gtk_main =
 109         module_Need( p_this, "gui-helper", "gnome", VLC_TRUE );
 110     if( p_intf->p_sys->p_gtk_main == NULL )
 111     {
 112         free( p_intf->p_sys );
 113         return VLC_ENOMOD;
 114     }
 115
 116     p_intf->pf_run = Run;
 117
 118     p_intf->p_sys->p_sub = msg_Subscribe( p_intf );
 119
 120     /* Initialize Gnome thread */
 121     p_intf->p_sys->b_playing = VLC_FALSE;
 122     p_intf->p_sys->b_deinterlace_update = VLC_FALSE;
 123
 124     p_intf->p_sys->b_aout_update = VLC_FALSE;
 125     p_intf->p_sys->b_vout_update = VLC_FALSE;
 126
 127     p_intf->p_sys->b_popup_changed = VLC_FALSE;
 128     p_intf->p_sys->b_window_changed = VLC_FALSE;
 129     p_intf->p_sys->b_playlist_changed = VLC_FALSE;
 130     p_intf->p_sys->b_program_update = VLC_FALSE;
 131     p_intf->p_sys->b_title_update = VLC_FALSE;
 132     p_intf->p_sys->b_chapter_update = VLC_FALSE;
 133     p_intf->p_sys->b_spu_update = VLC_FALSE;
 134     p_intf->p_sys->b_audio_update = VLC_FALSE;
 135
 136     p_intf->p_sys->p_input = NULL;
 137     p_intf->p_sys->i_playing = -1;
 138     p_intf->p_sys->b_slider_free = VLC_TRUE;
 139
 140     p_intf->p_sys->i_part = 0;
 141     p_intf->p_sys->b_mute = VLC_FALSE;
 142
 143     return VLC_SUCCESS;
 144 }
 145
 146 /*****************************************************************************
 147  * Close: destroy interface window
 148  *****************************************************************************/
 149 static void Close( vlc_object_t *p_this )
 150 {
 151     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 152
 153     if( p_intf->p_sys->p_input )
 154     {
 155         vlc_object_release( p_intf->p_sys->p_input );
 156     }
 157
 158     msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 159
 160     module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
 161
 162     /* Destroy structure */
 163     free( p_intf->p_sys );
 164 }
 165
 166 /*****************************************************************************
 167  * Run: Gnome thread
 168  *****************************************************************************
 169  * this part of the interface is in a separate thread so that we can call
 170  * gtk_main() from within it without annoying the rest of the program.
 171  * XXX: the approach may look kludgy, and probably is, but I could not find
 172  * a better way to dynamically load a Gnome interface at runtime.
 173  *****************************************************************************/
 174 static void Run( intf_thread_t *p_intf )
 175 {
 176     /* The data types we are allowed to receive */
 177     static GtkTargetEntry target_table[] =
 178     {
 179         { "STRING", 0, DROP_ACCEPT_STRING },
 180         { "text/uri-list", 0, DROP_ACCEPT_TEXT_URI_LIST },
 181         { "text/plain",    0, DROP_ACCEPT_TEXT_PLAIN }
 182     };
 183     char *psz_sout;
 184     GString *       p_target;
 185
 186     gdk_threads_enter();
 187
 188     /* Create some useful widgets that will certainly be used */
 189     p_intf->p_sys->p_window = create_intf_window( );
 190     p_intf->p_sys->p_popup = create_intf_popup( );
 191     p_intf->p_sys->p_playwin = create_intf_playlist();
 192     p_intf->p_sys->p_messages = create_intf_messages();
 193     p_intf->p_sys->p_tooltips = gtk_tooltips_new();
 194     p_intf->p_sys->p_sout = create_intf_sout();
 195
 196     /* Set the title of the main window */
 197     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 198                           VOUT_TITLE " (Gnome interface)");
 199
 200     /* Accept file drops on the main window */
 201     gtk_drag_dest_set( GTK_WIDGET( p_intf->p_sys->p_window ),
 202                        GTK_DEST_DEFAULT_ALL, target_table,
 203                        DROP_ACCEPT_END, GDK_ACTION_COPY );
 204     /* Accept file drops on the playlist window */
 205     gtk_drag_dest_set( GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 206                             p_intf->p_sys->p_playwin ), "playlist_clist") ),
 207                        GTK_DEST_DEFAULT_ALL, target_table,
 208                        DROP_ACCEPT_END, GDK_ACTION_COPY );
 209
 210     /* Get the slider object */
 211     p_intf->p_sys->p_slider_frame = gtk_object_get_data(
 212                       GTK_OBJECT( p_intf->p_sys->p_window ), "slider_frame" );
 213
 214     /* Configure the log window */
 215     p_intf->p_sys->p_messages_text = GTK_TEXT( gtk_object_get_data(
 216         GTK_OBJECT(p_intf->p_sys->p_messages ), "messages_textbox" ) );
 217     gtk_text_set_line_wrap( p_intf->p_sys->p_messages_text, TRUE);
 218     gtk_text_set_word_wrap( p_intf->p_sys->p_messages_text, FALSE);
 219
 220     /* Get the interface labels */
 221     #define P_LABEL( name ) GTK_LABEL( gtk_object_get_data( \
 222                          GTK_OBJECT( p_intf->p_sys->p_window ), name ) )
 223     p_intf->p_sys->p_label_title = P_LABEL( "title_label" );
 224     p_intf->p_sys->p_label_chapter = P_LABEL( "chapter_label" );
 225     #undef P_LABEL
 226
 227     /* Connect the date display to the slider */
 228     #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 229                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 230     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 231
 232     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 233                          GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
 234     p_intf->p_sys->f_adj_oldvalue = 0;
 235     #undef P_SLIDER
 236
 237     /* We don't create these ones yet because we perhaps won't need them */
 238     p_intf->p_sys->p_about = NULL;
 239     p_intf->p_sys->p_modules = NULL;
 240     p_intf->p_sys->p_open = NULL;
 241     p_intf->p_sys->p_jump = NULL;
 242
 243     /* Hide tooltips if the option is set */
 244     if( !config_GetInt( p_intf, "gnome-tooltips" ) )
 245     {
 246         gtk_tooltips_disable( p_intf->p_sys->p_tooltips );
 247     }
 248
 249     /* Hide toolbar text of the option is set */
 250     if( !config_GetInt( p_intf, "gnome-toolbartext" ) )
 251     {
 252         gtk_toolbar_set_style(
 253             GTK_TOOLBAR(lookup_widget( p_intf->p_sys->p_window, "toolbar" )),
 254             GTK_TOOLBAR_ICONS );
 255     }
 256
 257     /* Store p_intf to keep an eye on it */
 258     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 259                          "p_intf", p_intf );
 260
 261     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_popup),
 262                          "p_intf", p_intf );
 263     gtk_object_set_data( GTK_OBJECT( gtk_object_get_data(
 264                              GTK_OBJECT(p_intf->p_sys->p_popup),
 265                              "popup_audio" ) ), "p_intf", p_intf );
 266     gtk_object_set_data( GTK_OBJECT( gtk_object_get_data(
 267                              GTK_OBJECT(p_intf->p_sys->p_popup),
 268                              "popup_video" ) ), "p_intf", p_intf );
 269
 270     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_playwin ),
 271                          "p_intf", p_intf );
 272
 273     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_messages ),
 274                          "p_intf", p_intf );
 275
 276     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
 277                          "p_intf", p_intf );
 278
 279     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
 280                                      "p_intf", p_intf );
 281
 282     psz_sout = config_GetPsz( p_intf, "sout" );
 283     p_target = g_string_new( psz_sout ? psz_sout : "" );
 284     if( psz_sout ) free( psz_sout );
 285
 286     gtk_entry_set_text( gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ), "sout_entry_target" ), p_target->str );
 287     g_string_free( p_target, TRUE );
 288
 289     /* FIXME it's to be sure that only file entry is selected */
 290     gtk_toggle_button_set_active(  gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
 291                                    "sout_access_udp" ), TRUE );
 292
 293     gtk_toggle_button_set_active(  gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
 294                                    "sout_access_file" ), TRUE );
 295
 296     /* Show the control window */
 297     gtk_widget_show( p_intf->p_sys->p_window );
 298
 299     while( !p_intf->b_die )
 300     {
 301         Manage( p_intf );
 302
 303         /* Sleep to avoid using all CPU - since some interfaces need to
 304          * access keyboard events, a 100ms delay is a good compromise */
 305         gdk_threads_leave();
 306         msleep( INTF_IDLE_SLEEP );
 307         gdk_threads_enter();
 308     }
 309
 310     /* Destroy the Tooltips structure */
 311     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_tooltips) );
 312     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_messages) );
 313     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_playwin) );
 314     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_popup) );
 315     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 316
 317     gdk_threads_leave();
 318 }
 319
 320 /* following functions are local */
 321
 322 /*****************************************************************************
 323  * Manage: manage main thread messages
 324  *****************************************************************************
 325  * In this function, called approx. 10 times a second, we check what the
 326  * main program wanted to tell us.
 327  *****************************************************************************/
 328 static void Manage( intf_thread_t *p_intf )
 329 {
 330     int i_start, i_stop;
 331
 332     vlc_mutex_lock( &p_intf->change_lock );
 333
 334     /* If the "display popup" flag has changed */
 335     if( p_intf->b_menu_change )
 336     {
 337         if( !GTK_IS_WIDGET( p_intf->p_sys->p_popup ) )
 338         {
 339             p_intf->p_sys->p_popup = create_intf_popup();
 340             gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_popup ),
 341                                  "p_popup", p_intf );
 342         }
 343
 344         gnome_popup_menu_do_popup( p_intf->p_sys->p_popup,
 345                                    NULL, NULL, NULL, NULL );
 346         p_intf->b_menu_change = 0;
 347     }
 348
 349     /* Update the log window */
 350     vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
 351     i_stop = *p_intf->p_sys->p_sub->pi_stop;
 352     vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
 353
 354     if( p_intf->p_sys->p_sub->i_start != i_stop )
 355     {
 356         static GdkColor white  = { 0, 0xffff, 0xffff, 0xffff };
 357         static GdkColor gray   = { 0, 0xaaaa, 0xaaaa, 0xaaaa };
 358         static GdkColor yellow = { 0, 0xffff, 0xffff, 0x6666 };
 359         static GdkColor red    = { 0, 0xffff, 0x6666, 0x6666 };
 360
 361         static const char * ppsz_type[4] = { ": ", " error: ", " warning: ",
 362                                              " debug: " };
 363         static GdkColor *   pp_color[4] = { &white, &red, &yellow, &gray };
 364
 365         for( i_start = p_intf->p_sys->p_sub->i_start;
 366              i_start != i_stop;
 367              i_start = (i_start+1) % VLC_MSG_QSIZE )
 368         {
 369             /* Append all messages to log window */
 370             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 371              NULL, p_intf->p_sys->p_sub->p_msg[i_start].psz_module, -1 );
 372
 373             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 374                 NULL, ppsz_type[p_intf->p_sys->p_sub->p_msg[i_start].i_type],
 375                 -1 );
 376
 377             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL,
 378                 pp_color[p_intf->p_sys->p_sub->p_msg[i_start].i_type], NULL,
 379                 p_intf->p_sys->p_sub->p_msg[i_start].psz_msg, -1 );
 380
 381             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 382                 NULL, "\n", -1 );
 383         }
 384
 385         vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
 386         p_intf->p_sys->p_sub->i_start = i_start;
 387         vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
 388
 389         /* If the messages list becomes too big, just clean half of it. */
 390         if( gtk_text_get_length( p_intf->p_sys->p_messages_text ) >
 391             VLC_MSG_QSIZE * 1000 )
 392         {
 393             gtk_text_set_point( p_intf->p_sys->p_messages_text, 0 );
 394             gtk_text_forward_delete( p_intf->p_sys->p_messages_text,
 395                 gtk_text_get_length( p_intf->p_sys->p_messages_text ) / 2 );
 396         }
 397
 398         gtk_text_set_point( p_intf->p_sys->p_messages_text,
 399                     gtk_text_get_length( p_intf->p_sys->p_messages_text ) );
 400     }
 401
 402     /* Update the playlist */
 403     GtkPlayListManage( p_intf );
 404
 405     /* Update the input */
 406     if( p_intf->p_sys->p_input != NULL )
 407     {
 408         if( p_intf->p_sys->p_input->b_dead )
 409         {
 410             vlc_object_release( p_intf->p_sys->p_input );
 411             p_intf->p_sys->p_input = NULL;
 412         }
 413     }
 414
 415     if( p_intf->p_sys->p_input == NULL )
 416     {
 417         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 418                                                           FIND_ANYWHERE );
 419     }
 420
 421     if( p_intf->p_sys->p_input )
 422     {
 423         input_thread_t *p_input = p_intf->p_sys->p_input;
 424         aout_instance_t *p_aout  = NULL;
 425         vout_thread_t   *p_vout  = NULL;
 426         vlc_bool_t      b_need_menus = VLC_FALSE;
 427
 428         vlc_mutex_lock( &p_input->stream.stream_lock );
 429
 430         if( !p_input->b_die )
 431         {
 432             /* New input or stream map change */
 433             if( p_input->stream.b_changed )
 434             {
 435                 E_(GtkModeManage)( p_intf );
 436                 GtkSetupMenus( p_intf );
 437                 p_intf->p_sys->b_playing = 1;
 438             }
 439
 440             /* Manage the slider */
 441             if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 442             {
 443                 float newvalue = p_intf->p_sys->p_adj->value;
 444
 445 #define p_area p_input->stream.p_selected_area
 446                 /* If the user hasn't touched the slider since the last time,
 447                  * then the input can safely change it */
 448                 if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 449                 {
 450                     /* Update the value */
 451                     p_intf->p_sys->p_adj->value =
 452                     p_intf->p_sys->f_adj_oldvalue =
 453                         ( 100. * p_area->i_tell ) / p_area->i_size;
 454
 455                     gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 456                                              "value_changed" );
 457                 }
 458                 /* Otherwise, send message to the input if the user has
 459                  * finished dragging the slider.
 460                  * Beware, the hack below is needed by the dvdplay plugin! */
 461                 else if( p_intf->p_sys->b_slider_free
 462                 /* hack -> */ && (p_intf->p_sys->f_adj_oldvalue < 100.) )
 463                 {
 464                     if( newvalue >= 0. && newvalue < 100. )
 465                     {
 466                         double f_fpos = (double)newvalue / 100.0;
 467
 468                         /* release the lock to be able to seek */
 469                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 470                         var_SetFloat( p_input, "position", f_fpos );
 471                         vlc_mutex_lock( &p_input->stream.stream_lock );
 472
 473                     }
 474
 475                     /* Update the old value */
 476                     p_intf->p_sys->f_adj_oldvalue = newvalue;
 477                 }
 478 #undef p_area
 479             }
 480
 481             if( p_intf->p_sys->i_part !=
 482                 p_input->stream.p_selected_area->i_part )
 483             {
 484                 p_intf->p_sys->b_chapter_update = 1;
 485                 b_need_menus = VLC_TRUE;
 486             }
 487
 488             /* Does the audio output require to update the menus ? */
 489             p_aout = (aout_instance_t *)vlc_object_find( p_intf, VLC_OBJECT_AOUT,
 490                                                          FIND_ANYWHERE );
 491             if( p_aout != NULL )
 492             {
 493                 vlc_value_t val;
 494                 if( var_Get( (vlc_object_t *)p_aout, "intf-change", &val ) >= 0
 495                     && val.b_bool )
 496                 {
 497                     p_intf->p_sys->b_aout_update = 1;
 498                     b_need_menus = 1;
 499                 }
 500
 501                 vlc_object_release( (vlc_object_t *)p_aout );
 502             }
 503
 504
 505             /* Does the video output require to update the menus ? */
 506             p_vout = (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 507                                                        FIND_ANYWHERE );
 508             if( p_vout != NULL )
 509             {
 510                 vlc_value_t val;
 511                 if( var_Get( (vlc_object_t *)p_vout, "intf-change", &val ) >= 0
 512                     && val.b_bool )
 513                 {
 514                     p_intf->p_sys->b_vout_update = 1;
 515                     b_need_menus = 1;
 516                 }
 517
 518                 vlc_object_release( (vlc_object_t *)p_vout );
 519             }
 520
 521             if( b_need_menus )
 522             {
 523                 GtkSetupMenus( p_intf );
 524             }
 525         }
 526
 527         vlc_mutex_unlock( &p_input->stream.stream_lock );
 528     }
 529     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 530     {
 531         E_(GtkModeManage)( p_intf );
 532         p_intf->p_sys->b_playing = 0;
 533     }
 534
 535     vlc_mutex_unlock( &p_intf->change_lock );
 536
 537     return;
 538 }
 539