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: gnome.c,v 1.15 2003/03/30 18:14:37 gbazin Exp $
   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 vlc_module_begin();
  67 #ifdef WIN32
  68     int i = 90;
  69 #else
  70     int i = getenv( "DISPLAY" ) == NULL ? 15 : 100;
  71 #endif
  72     add_category_hint( N_("GNOME"), NULL, VLC_FALSE );
  73     add_bool( "gnome-tooltips", 1, E_(GtkHideTooltips),
  74               TOOLTIPS_TEXT, TOOLTIPS_LONGTEXT, VLC_FALSE );
  75     add_bool( "gnome-toolbartext", 1, GtkHideToolbarText, TOOLBAR_TEXT,
  76               TOOLBAR_LONGTEXT, VLC_FALSE );
  77     add_integer( "gnome-prefs-maxh", 480, NULL,
  78                  PREFS_MAXH_TEXT, PREFS_MAXH_LONGTEXT, VLC_TRUE );
  79
  80     set_description( _("GNOME interface") );
  81     set_capability( "interface", i );
  82     set_callbacks( Open, Close );
  83     set_program( "gnome-vlc" );
  84 vlc_module_end();
  85
  86 /*****************************************************************************
  87  * Open: initialize and create window
  88  *****************************************************************************/
  89 static int Open( vlc_object_t *p_this )
  90 {
  91     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  92
  93     /* Allocate instance and initialize some members */
  94     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
  95     if( p_intf->p_sys == NULL )
  96     {
  97         msg_Err( p_intf, "out of memory" );
  98         return VLC_ENOMEM;
  99     }
 100
 101     p_intf->p_sys->p_gtk_main = module_Need( p_this, "gui-helper", "gnome" );
 102     if( p_intf->p_sys->p_gtk_main == NULL )
 103     {
 104         free( p_intf->p_sys );
 105         return VLC_ENOMOD;
 106     }
 107
 108     p_intf->pf_run = Run;
 109
 110     p_intf->p_sys->p_sub = msg_Subscribe( p_intf );
 111
 112     /* Initialize Gnome thread */
 113     p_intf->p_sys->b_playing = VLC_FALSE;
 114     p_intf->p_sys->b_deinterlace_update = VLC_FALSE;
 115
 116     p_intf->p_sys->b_aout_update = VLC_FALSE;
 117     p_intf->p_sys->b_vout_update = VLC_FALSE;
 118
 119     p_intf->p_sys->b_popup_changed = VLC_FALSE;
 120     p_intf->p_sys->b_window_changed = VLC_FALSE;
 121     p_intf->p_sys->b_playlist_changed = VLC_FALSE;
 122     p_intf->p_sys->b_program_update = VLC_FALSE;
 123     p_intf->p_sys->b_title_update = VLC_FALSE;
 124     p_intf->p_sys->b_chapter_update = VLC_FALSE;
 125     p_intf->p_sys->b_spu_update = VLC_FALSE;
 126     p_intf->p_sys->b_audio_update = VLC_FALSE;
 127
 128     p_intf->p_sys->p_input = NULL;
 129     p_intf->p_sys->i_playing = -1;
 130     p_intf->p_sys->b_slider_free = VLC_TRUE;
 131
 132     p_intf->p_sys->i_part = 0;
 133     p_intf->p_sys->b_mute = VLC_FALSE;
 134
 135     return VLC_SUCCESS;
 136 }
 137
 138 /*****************************************************************************
 139  * Close: destroy interface window
 140  *****************************************************************************/
 141 static void Close( vlc_object_t *p_this )
 142 {
 143     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 144
 145     if( p_intf->p_sys->p_input )
 146     {
 147         vlc_object_release( p_intf->p_sys->p_input );
 148     }
 149
 150     msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 151
 152     module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
 153
 154     /* Destroy structure */
 155     free( p_intf->p_sys );
 156 }
 157
 158 /*****************************************************************************
 159  * Run: Gnome thread
 160  *****************************************************************************
 161  * this part of the interface is in a separate thread so that we can call
 162  * gtk_main() from within it without annoying the rest of the program.
 163  * XXX: the approach may look kludgy, and probably is, but I could not find
 164  * a better way to dynamically load a Gnome interface at runtime.
 165  *****************************************************************************/
 166 static void Run( intf_thread_t *p_intf )
 167 {
 168     /* The data types we are allowed to receive */
 169     static GtkTargetEntry target_table[] =
 170     {
 171         { "STRING", 0, DROP_ACCEPT_STRING },
 172         { "text/uri-list", 0, DROP_ACCEPT_TEXT_URI_LIST },
 173         { "text/plain",    0, DROP_ACCEPT_TEXT_PLAIN }
 174     };
 175     char *psz_sout;
 176     GString *       p_target;
 177
 178     gdk_threads_enter();
 179
 180     /* Create some useful widgets that will certainly be used */
 181     p_intf->p_sys->p_window = create_intf_window( );
 182     p_intf->p_sys->p_popup = create_intf_popup( );
 183     p_intf->p_sys->p_playwin = create_intf_playlist();
 184     p_intf->p_sys->p_messages = create_intf_messages();
 185     p_intf->p_sys->p_tooltips = gtk_tooltips_new();
 186     p_intf->p_sys->p_sout = create_intf_sout();
 187
 188     /* Set the title of the main window */
 189     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 190                           VOUT_TITLE " (Gnome interface)");
 191
 192     /* Accept file drops on the main window */
 193     gtk_drag_dest_set( GTK_WIDGET( p_intf->p_sys->p_window ),
 194                        GTK_DEST_DEFAULT_ALL, target_table,
 195                        DROP_ACCEPT_END, GDK_ACTION_COPY );
 196     /* Accept file drops on the playlist window */
 197     gtk_drag_dest_set( GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 198                             p_intf->p_sys->p_playwin ), "playlist_clist") ),
 199                        GTK_DEST_DEFAULT_ALL, target_table,
 200                        DROP_ACCEPT_END, GDK_ACTION_COPY );
 201
 202     /* Get the slider object */
 203     p_intf->p_sys->p_slider_frame = gtk_object_get_data(
 204                       GTK_OBJECT( p_intf->p_sys->p_window ), "slider_frame" );
 205
 206     /* Configure the log window */
 207     p_intf->p_sys->p_messages_text = GTK_TEXT( gtk_object_get_data(
 208         GTK_OBJECT(p_intf->p_sys->p_messages ), "messages_textbox" ) );
 209     gtk_text_set_line_wrap( p_intf->p_sys->p_messages_text, TRUE);
 210     gtk_text_set_word_wrap( p_intf->p_sys->p_messages_text, FALSE);
 211
 212     /* Get the interface labels */
 213     #define P_LABEL( name ) GTK_LABEL( gtk_object_get_data( \
 214                          GTK_OBJECT( p_intf->p_sys->p_window ), name ) )
 215     p_intf->p_sys->p_label_title = P_LABEL( "title_label" );
 216     p_intf->p_sys->p_label_chapter = P_LABEL( "chapter_label" );
 217     #undef P_LABEL
 218
 219     /* Connect the date display to the slider */
 220     #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 221                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 222     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 223
 224     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 225                          GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
 226     p_intf->p_sys->f_adj_oldvalue = 0;
 227     #undef P_SLIDER
 228
 229     /* We don't create these ones yet because we perhaps won't need them */
 230     p_intf->p_sys->p_about = NULL;
 231     p_intf->p_sys->p_modules = NULL;
 232     p_intf->p_sys->p_open = NULL;
 233     p_intf->p_sys->p_jump = NULL;
 234
 235     /* Hide tooltips if the option is set */
 236     if( !config_GetInt( p_intf, "gnome-tooltips" ) )
 237     {
 238         gtk_tooltips_disable( p_intf->p_sys->p_tooltips );
 239     }
 240
 241     /* Hide toolbar text of the option is set */
 242     if( !config_GetInt( p_intf, "gnome-toolbartext" ) )
 243     {
 244         gtk_toolbar_set_style(
 245             GTK_TOOLBAR(lookup_widget( p_intf->p_sys->p_window, "toolbar" )),
 246             GTK_TOOLBAR_ICONS );
 247     }
 248
 249     /* Store p_intf to keep an eye on it */
 250     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 251                          "p_intf", p_intf );
 252
 253     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_popup),
 254                          "p_intf", p_intf );
 255     gtk_object_set_data( GTK_OBJECT( gtk_object_get_data(
 256                              GTK_OBJECT(p_intf->p_sys->p_popup),
 257                              "popup_audio" ) ), "p_intf", p_intf );
 258     gtk_object_set_data( GTK_OBJECT( gtk_object_get_data(
 259                              GTK_OBJECT(p_intf->p_sys->p_popup),
 260                              "popup_video" ) ), "p_intf", p_intf );
 261
 262     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_playwin ),
 263                          "p_intf", p_intf );
 264
 265     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_messages ),
 266                          "p_intf", p_intf );
 267
 268     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
 269                          "p_intf", p_intf );
 270
 271     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
 272                                      "p_intf", p_intf );
 273
 274     psz_sout = config_GetPsz( p_intf, "sout" );
 275     p_target = g_string_new( psz_sout ? psz_sout : "" );
 276     if( psz_sout ) free( psz_sout );
 277
 278     gtk_entry_set_text( gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ), "sout_entry_target" ), p_target->str );
 279     g_string_free( p_target, TRUE );
 280
 281     /* FIXME it's to be sure that only file entry is selected */
 282     gtk_toggle_button_set_active(  gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
 283                                    "sout_access_udp" ), TRUE );
 284
 285     gtk_toggle_button_set_active(  gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
 286                                    "sout_access_file" ), TRUE );
 287
 288     /* Show the control window */
 289     gtk_widget_show( p_intf->p_sys->p_window );
 290
 291     while( !p_intf->b_die )
 292     {
 293         Manage( p_intf );
 294
 295         /* Sleep to avoid using all CPU - since some interfaces need to
 296          * access keyboard events, a 100ms delay is a good compromise */
 297         gdk_threads_leave();
 298         msleep( INTF_IDLE_SLEEP );
 299         gdk_threads_enter();
 300     }
 301
 302     /* Destroy the Tooltips structure */
 303     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_tooltips) );
 304     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_messages) );
 305     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_playwin) );
 306     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_popup) );
 307     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 308
 309     gdk_threads_leave();
 310 }
 311
 312 /* following functions are local */
 313
 314 /*****************************************************************************
 315  * Manage: manage main thread messages
 316  *****************************************************************************
 317  * In this function, called approx. 10 times a second, we check what the
 318  * main program wanted to tell us.
 319  *****************************************************************************/
 320 static void Manage( intf_thread_t *p_intf )
 321 {
 322     int i_start, i_stop;
 323
 324     vlc_mutex_lock( &p_intf->change_lock );
 325
 326     /* If the "display popup" flag has changed */
 327     if( p_intf->b_menu_change )
 328     {
 329         if( !GTK_IS_WIDGET( p_intf->p_sys->p_popup ) )
 330         {
 331             p_intf->p_sys->p_popup = create_intf_popup();
 332             gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_popup ),
 333                                  "p_popup", p_intf );
 334         }
 335
 336         gnome_popup_menu_do_popup( p_intf->p_sys->p_popup,
 337                                    NULL, NULL, NULL, NULL );
 338         p_intf->b_menu_change = 0;
 339     }
 340
 341     /* Update the log window */
 342     vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
 343     i_stop = *p_intf->p_sys->p_sub->pi_stop;
 344     vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
 345
 346     if( p_intf->p_sys->p_sub->i_start != i_stop )
 347     {
 348         static GdkColor white  = { 0, 0xffff, 0xffff, 0xffff };
 349         static GdkColor gray   = { 0, 0xaaaa, 0xaaaa, 0xaaaa };
 350         static GdkColor yellow = { 0, 0xffff, 0xffff, 0x6666 };
 351         static GdkColor red    = { 0, 0xffff, 0x6666, 0x6666 };
 352
 353         static const char * ppsz_type[4] = { ": ", " error: ", " warning: ",
 354                                              " debug: " };
 355         static GdkColor *   pp_color[4] = { &white, &red, &yellow, &gray };
 356
 357         for( i_start = p_intf->p_sys->p_sub->i_start;
 358              i_start != i_stop;
 359              i_start = (i_start+1) % VLC_MSG_QSIZE )
 360         {
 361             /* Append all messages to log window */
 362             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 363              NULL, p_intf->p_sys->p_sub->p_msg[i_start].psz_module, -1 );
 364
 365             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 366                 NULL, ppsz_type[p_intf->p_sys->p_sub->p_msg[i_start].i_type],
 367                 -1 );
 368
 369             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL,
 370                 pp_color[p_intf->p_sys->p_sub->p_msg[i_start].i_type], NULL,
 371                 p_intf->p_sys->p_sub->p_msg[i_start].psz_msg, -1 );
 372
 373             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 374                 NULL, "\n", -1 );
 375         }
 376
 377         vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
 378         p_intf->p_sys->p_sub->i_start = i_start;
 379         vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
 380
 381         /* If the messages list becomes too big, just clean half of it. */
 382         if( gtk_text_get_length( p_intf->p_sys->p_messages_text ) >
 383             VLC_MSG_QSIZE * 1000 )
 384         {
 385             gtk_text_set_point( p_intf->p_sys->p_messages_text, 0 );
 386             gtk_text_forward_delete( p_intf->p_sys->p_messages_text,
 387                 gtk_text_get_length( p_intf->p_sys->p_messages_text ) / 2 );
 388         }
 389
 390         gtk_text_set_point( p_intf->p_sys->p_messages_text,
 391                     gtk_text_get_length( p_intf->p_sys->p_messages_text ) );
 392     }
 393
 394     /* Update the playlist */
 395     GtkPlayListManage( p_intf );
 396
 397     /* Update the input */
 398     if( p_intf->p_sys->p_input != NULL )
 399     {
 400         if( p_intf->p_sys->p_input->b_dead )
 401         {
 402             vlc_object_release( p_intf->p_sys->p_input );
 403             p_intf->p_sys->p_input = NULL;
 404         }
 405     }
 406
 407     if( p_intf->p_sys->p_input == NULL )
 408     {
 409         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 410                                                           FIND_ANYWHERE );
 411     }
 412
 413     if( p_intf->p_sys->p_input )
 414     {
 415         input_thread_t *p_input = p_intf->p_sys->p_input;
 416         aout_instance_t *p_aout  = NULL;
 417         vout_thread_t   *p_vout  = NULL;
 418         vlc_bool_t      b_need_menus = VLC_FALSE;
 419
 420         vlc_mutex_lock( &p_input->stream.stream_lock );
 421
 422         if( !p_input->b_die )
 423         {
 424             /* New input or stream map change */
 425             if( p_input->stream.b_changed )
 426             {
 427                 E_(GtkModeManage)( p_intf );
 428                 GtkSetupMenus( p_intf );
 429                 p_intf->p_sys->b_playing = 1;
 430             }
 431
 432             /* Manage the slider */
 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
 447                     gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 448                                              "value_changed" );
 449                 }
 450                 /* Otherwise, send message to the input if the user has
 451                  * finished dragging the slider.
 452                  * Beware, the hack below is needed by the dvdplay plugin! */
 453                 else if( p_intf->p_sys->b_slider_free
 454                 /* hack -> */ && (p_intf->p_sys->f_adj_oldvalue < 100.) )
 455                 {
 456                     if( newvalue >= 0. && newvalue < 100. )
 457                     {
 458                         off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 459
 460                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 461                         input_Seek( p_input, i_seek, INPUT_SEEK_SET );
 462                         vlc_mutex_lock( &p_input->stream.stream_lock );
 463                     }
 464
 465                     /* Update the old value */
 466                     p_intf->p_sys->f_adj_oldvalue = newvalue;
 467                 }
 468 #undef p_area
 469             }
 470
 471             if( p_intf->p_sys->i_part !=
 472                 p_input->stream.p_selected_area->i_part )
 473             {
 474                 p_intf->p_sys->b_chapter_update = 1;
 475                 b_need_menus = VLC_TRUE;
 476             }
 477
 478             /* Does the audio output require to update the menus ? */
 479             p_aout = (aout_instance_t *)vlc_object_find( p_intf, VLC_OBJECT_AOUT,
 480                                                          FIND_ANYWHERE );
 481             if( p_aout != NULL )
 482             {
 483                 vlc_value_t val;
 484                 if( var_Get( (vlc_object_t *)p_aout, "intf-change", &val ) >= 0
 485                     && val.b_bool )
 486                 {
 487                     p_intf->p_sys->b_aout_update = 1;
 488                     b_need_menus = 1;
 489                 }
 490
 491                 vlc_object_release( (vlc_object_t *)p_aout );
 492             }
 493
 494
 495             /* Does the video output require to update the menus ? */
 496             p_vout = (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 497                                                        FIND_ANYWHERE );
 498             if( p_vout != NULL )
 499             {
 500                 vlc_value_t val;
 501                 if( var_Get( (vlc_object_t *)p_vout, "intf-change", &val ) >= 0
 502                     && val.b_bool )
 503                 {
 504                     p_intf->p_sys->b_vout_update = 1;
 505                     b_need_menus = 1;
 506                 }
 507
 508                 vlc_object_release( (vlc_object_t *)p_vout );
 509             }
 510
 511             if( b_need_menus )
 512             {
 513                 GtkSetupMenus( p_intf );
 514             }
 515         }
 516
 517         vlc_mutex_unlock( &p_input->stream.stream_lock );
 518     }
 519     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 520     {
 521         E_(GtkModeManage)( p_intf );
 522         p_intf->p_sys->b_playing = 0;
 523     }
 524
 525     vlc_mutex_unlock( &p_intf->change_lock );
 526
 527     return;
 528 }
 529