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     set_category( CAT_INTERFACE );
  79     set_subcategory( SUBCAT_INTERFACE_GENERAL );
  80
  81     add_bool( "gnome-tooltips", 1, E_(GtkHideTooltips),
  82               TOOLTIPS_TEXT, TOOLTIPS_LONGTEXT, VLC_FALSE );
  83     add_bool( "gnome-toolbartext", 1, GtkHideToolbarText, TOOLBAR_TEXT,
  84               TOOLBAR_LONGTEXT, VLC_FALSE );
  85     add_integer( "gnome-prefs-maxh", 480, NULL,
  86                  PREFS_MAXH_TEXT, PREFS_MAXH_LONGTEXT, VLC_TRUE );
  87     add_directory( "gnome-search-path", NULL, NULL, PATH_TEXT,
  88                    PATH_LONGTEXT, VLC_TRUE );
  89
  90     set_capability( "interface", i );
  91     set_callbacks( Open, Close );
  92     set_program( "gnome-vlc" );
  93 vlc_module_end();
  94
  95 /*****************************************************************************
  96  * Open: initialize and create window
  97  *****************************************************************************/
  98 static int Open( vlc_object_t *p_this )
  99 {
 100     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 101
 102     /* Allocate instance and initialize some members */
 103     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
 104     if( p_intf->p_sys == NULL )
 105     {
 106         msg_Err( p_intf, "out of memory" );
 107         return VLC_ENOMEM;
 108     }
 109
 110     p_intf->p_sys->p_gtk_main =
 111         module_Need( p_this, "gui-helper", "gnome", VLC_TRUE );
 112     if( p_intf->p_sys->p_gtk_main == NULL )
 113     {
 114         free( p_intf->p_sys );
 115         return VLC_ENOMOD;
 116     }
 117
 118     p_intf->pf_run = Run;
 119
 120     p_intf->p_sys->p_sub = msg_Subscribe( p_intf );
 121
 122     /* Initialize Gnome thread */
 123     p_intf->p_sys->b_playing = VLC_FALSE;
 124     p_intf->p_sys->b_deinterlace_update = VLC_FALSE;
 125
 126     p_intf->p_sys->b_aout_update = VLC_FALSE;
 127     p_intf->p_sys->b_vout_update = VLC_FALSE;
 128
 129     p_intf->p_sys->b_popup_changed = VLC_FALSE;
 130     p_intf->p_sys->b_window_changed = VLC_FALSE;
 131     p_intf->p_sys->b_playlist_changed = VLC_FALSE;
 132     p_intf->p_sys->b_program_update = VLC_FALSE;
 133     p_intf->p_sys->b_title_update = VLC_FALSE;
 134     p_intf->p_sys->b_chapter_update = VLC_FALSE;
 135     p_intf->p_sys->b_spu_update = VLC_FALSE;
 136     p_intf->p_sys->b_audio_update = VLC_FALSE;
 137
 138     p_intf->p_sys->p_input = NULL;
 139     p_intf->p_sys->i_playing = -1;
 140     p_intf->p_sys->b_slider_free = VLC_TRUE;
 141
 142     p_intf->p_sys->i_part = 0;
 143     p_intf->p_sys->b_mute = VLC_FALSE;
 144
 145     return VLC_SUCCESS;
 146 }
 147
 148 /*****************************************************************************
 149  * Close: destroy interface window
 150  *****************************************************************************/
 151 static void Close( vlc_object_t *p_this )
 152 {
 153     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 154
 155     if( p_intf->p_sys->p_input )
 156     {
 157         vlc_object_release( p_intf->p_sys->p_input );
 158     }
 159
 160     msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 161
 162     module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
 163
 164     /* Destroy structure */
 165     free( p_intf->p_sys );
 166 }
 167
 168 /*****************************************************************************
 169  * Run: Gnome thread
 170  *****************************************************************************
 171  * this part of the interface is in a separate thread so that we can call
 172  * gtk_main() from within it without annoying the rest of the program.
 173  * XXX: the approach may look kludgy, and probably is, but I could not find
 174  * a better way to dynamically load a Gnome interface at runtime.
 175  *****************************************************************************/
 176 static void Run( intf_thread_t *p_intf )
 177 {
 178     /* The data types we are allowed to receive */
 179     static GtkTargetEntry target_table[] =
 180     {
 181         { "STRING", 0, DROP_ACCEPT_STRING },
 182         { "text/uri-list", 0, DROP_ACCEPT_TEXT_URI_LIST },
 183         { "text/plain",    0, DROP_ACCEPT_TEXT_PLAIN }
 184     };
 185     char *psz_sout;
 186     GString *       p_target;
 187
 188     gdk_threads_enter();
 189
 190     /* Create some useful widgets that will certainly be used */
 191     p_intf->p_sys->p_window = create_intf_window( );
 192     p_intf->p_sys->p_popup = create_intf_popup( );
 193     p_intf->p_sys->p_playwin = create_intf_playlist();
 194     p_intf->p_sys->p_messages = create_intf_messages();
 195     p_intf->p_sys->p_tooltips = gtk_tooltips_new();
 196     p_intf->p_sys->p_sout = create_intf_sout();
 197
 198     /* Set the title of the main window */
 199     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 200                           VOUT_TITLE " (Gnome interface)");
 201
 202     /* Accept file drops on the main window */
 203     gtk_drag_dest_set( GTK_WIDGET( p_intf->p_sys->p_window ),
 204                        GTK_DEST_DEFAULT_ALL, target_table,
 205                        DROP_ACCEPT_END, GDK_ACTION_COPY );
 206     /* Accept file drops on the playlist window */
 207     gtk_drag_dest_set( GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 208                             p_intf->p_sys->p_playwin ), "playlist_clist") ),
 209                        GTK_DEST_DEFAULT_ALL, target_table,
 210                        DROP_ACCEPT_END, GDK_ACTION_COPY );
 211
 212     /* Get the slider object */
 213     p_intf->p_sys->p_slider_frame = gtk_object_get_data(
 214                       GTK_OBJECT( p_intf->p_sys->p_window ), "slider_frame" );
 215
 216     /* Configure the log window */
 217     p_intf->p_sys->p_messages_text = GTK_TEXT( gtk_object_get_data(
 218         GTK_OBJECT(p_intf->p_sys->p_messages ), "messages_textbox" ) );
 219     gtk_text_set_line_wrap( p_intf->p_sys->p_messages_text, TRUE);
 220     gtk_text_set_word_wrap( p_intf->p_sys->p_messages_text, FALSE);
 221
 222     /* Get the interface labels */
 223     #define P_LABEL( name ) GTK_LABEL( gtk_object_get_data( \
 224                          GTK_OBJECT( p_intf->p_sys->p_window ), name ) )
 225     p_intf->p_sys->p_label_title = P_LABEL( "title_label" );
 226     p_intf->p_sys->p_label_chapter = P_LABEL( "chapter_label" );
 227     #undef P_LABEL
 228
 229     /* Connect the date display to the slider */
 230     #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 231                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 232     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 233
 234     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 235                          GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
 236     p_intf->p_sys->f_adj_oldvalue = 0;
 237     #undef P_SLIDER
 238
 239     /* We don't create these ones yet because we perhaps won't need them */
 240     p_intf->p_sys->p_about = NULL;
 241     p_intf->p_sys->p_modules = NULL;
 242     p_intf->p_sys->p_open = NULL;
 243     p_intf->p_sys->p_jump = NULL;
 244
 245     /* Hide tooltips if the option is set */
 246     if( !config_GetInt( p_intf, "gnome-tooltips" ) )
 247     {
 248         gtk_tooltips_disable( p_intf->p_sys->p_tooltips );
 249     }
 250
 251     /* Hide toolbar text of the option is set */
 252     if( !config_GetInt( p_intf, "gnome-toolbartext" ) )
 253     {
 254         gtk_toolbar_set_style(
 255             GTK_TOOLBAR(lookup_widget( p_intf->p_sys->p_window, "toolbar" )),
 256             GTK_TOOLBAR_ICONS );
 257     }
 258
 259     /* Store p_intf to keep an eye on it */
 260     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 261                          "p_intf", p_intf );
 262
 263     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_popup),
 264                          "p_intf", p_intf );
 265     gtk_object_set_data( GTK_OBJECT( gtk_object_get_data(
 266                              GTK_OBJECT(p_intf->p_sys->p_popup),
 267                              "popup_audio" ) ), "p_intf", p_intf );
 268     gtk_object_set_data( GTK_OBJECT( gtk_object_get_data(
 269                              GTK_OBJECT(p_intf->p_sys->p_popup),
 270                              "popup_video" ) ), "p_intf", p_intf );
 271
 272     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_playwin ),
 273                          "p_intf", p_intf );
 274
 275     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_messages ),
 276                          "p_intf", p_intf );
 277
 278     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
 279                          "p_intf", p_intf );
 280
 281     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
 282                                      "p_intf", p_intf );
 283
 284     psz_sout = config_GetPsz( p_intf, "sout" );
 285     p_target = g_string_new( psz_sout ? psz_sout : "" );
 286     if( psz_sout ) free( psz_sout );
 287
 288     gtk_entry_set_text( gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ), "sout_entry_target" ), p_target->str );
 289     g_string_free( p_target, TRUE );
 290
 291     /* FIXME it's to be sure that only file entry is selected */
 292     gtk_toggle_button_set_active(  gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
 293                                    "sout_access_udp" ), TRUE );
 294
 295     gtk_toggle_button_set_active(  gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
 296                                    "sout_access_file" ), TRUE );
 297
 298     /* Show the control window */
 299     gtk_widget_show( p_intf->p_sys->p_window );
 300
 301     while( !p_intf->b_die )
 302     {
 303         Manage( p_intf );
 304
 305         /* Sleep to avoid using all CPU - since some interfaces need to
 306          * access keyboard events, a 100ms delay is a good compromise */
 307         gdk_threads_leave();
 308         msleep( INTF_IDLE_SLEEP );
 309         gdk_threads_enter();
 310     }
 311
 312     /* Destroy the Tooltips structure */
 313     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_tooltips) );
 314     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_messages) );
 315     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_playwin) );
 316     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_popup) );
 317     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 318
 319     gdk_threads_leave();
 320 }
 321
 322 /* following functions are local */
 323
 324 /*****************************************************************************
 325  * Manage: manage main thread messages
 326  *****************************************************************************
 327  * In this function, called approx. 10 times a second, we check what the
 328  * main program wanted to tell us.
 329  *****************************************************************************/
 330 static void Manage( intf_thread_t *p_intf )
 331 {
 332     int i_start, i_stop;
 333
 334     vlc_mutex_lock( &p_intf->change_lock );
 335
 336     /* If the "display popup" flag has changed */
 337     if( p_intf->b_menu_change )
 338     {
 339         if( !GTK_IS_WIDGET( p_intf->p_sys->p_popup ) )
 340         {
 341             p_intf->p_sys->p_popup = create_intf_popup();
 342             gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_popup ),
 343                                  "p_popup", p_intf );
 344         }
 345
 346         gnome_popup_menu_do_popup( p_intf->p_sys->p_popup,
 347                                    NULL, NULL, NULL, NULL );
 348         p_intf->b_menu_change = 0;
 349     }
 350
 351     /* Update the log window */
 352     vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
 353     i_stop = *p_intf->p_sys->p_sub->pi_stop;
 354     vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
 355
 356     if( p_intf->p_sys->p_sub->i_start != i_stop )
 357     {
 358         static GdkColor white  = { 0, 0xffff, 0xffff, 0xffff };
 359         static GdkColor gray   = { 0, 0xaaaa, 0xaaaa, 0xaaaa };
 360         static GdkColor yellow = { 0, 0xffff, 0xffff, 0x6666 };
 361         static GdkColor red    = { 0, 0xffff, 0x6666, 0x6666 };
 362
 363         static const char * ppsz_type[4] = { ": ", " error: ", " warning: ",
 364                                              " debug: " };
 365         static GdkColor *   pp_color[4] = { &white, &red, &yellow, &gray };
 366
 367         for( i_start = p_intf->p_sys->p_sub->i_start;
 368              i_start != i_stop;
 369              i_start = (i_start+1) % VLC_MSG_QSIZE )
 370         {
 371             /* Append all messages to log window */
 372             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 373              NULL, p_intf->p_sys->p_sub->p_msg[i_start].psz_module, -1 );
 374
 375             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 376                 NULL, ppsz_type[p_intf->p_sys->p_sub->p_msg[i_start].i_type],
 377                 -1 );
 378
 379             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL,
 380                 pp_color[p_intf->p_sys->p_sub->p_msg[i_start].i_type], NULL,
 381                 p_intf->p_sys->p_sub->p_msg[i_start].psz_msg, -1 );
 382
 383             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 384                 NULL, "\n", -1 );
 385         }
 386
 387         vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
 388         p_intf->p_sys->p_sub->i_start = i_start;
 389         vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
 390
 391         /* If the messages list becomes too big, just clean half of it. */
 392         if( gtk_text_get_length( p_intf->p_sys->p_messages_text ) >
 393             VLC_MSG_QSIZE * 1000 )
 394         {
 395             gtk_text_set_point( p_intf->p_sys->p_messages_text, 0 );
 396             gtk_text_forward_delete( p_intf->p_sys->p_messages_text,
 397                 gtk_text_get_length( p_intf->p_sys->p_messages_text ) / 2 );
 398         }
 399
 400         gtk_text_set_point( p_intf->p_sys->p_messages_text,
 401                     gtk_text_get_length( p_intf->p_sys->p_messages_text ) );
 402     }
 403
 404     /* Update the playlist */
 405     GtkPlayListManage( p_intf );
 406
 407     /* Update the input */
 408     if( p_intf->p_sys->p_input != NULL )
 409     {
 410         if( p_intf->p_sys->p_input->b_dead )
 411         {
 412             vlc_object_release( p_intf->p_sys->p_input );
 413             p_intf->p_sys->p_input = NULL;
 414         }
 415     }
 416
 417     if( p_intf->p_sys->p_input == NULL )
 418     {
 419         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 420                                                           FIND_ANYWHERE );
 421     }
 422
 423     if( p_intf->p_sys->p_input )
 424     {
 425         input_thread_t *p_input = p_intf->p_sys->p_input;
 426         aout_instance_t *p_aout  = NULL;
 427         vout_thread_t   *p_vout  = NULL;
 428         vlc_bool_t      b_need_menus = VLC_FALSE;
 429
 430         vlc_mutex_lock( &p_input->stream.stream_lock );
 431
 432         if( !p_input->b_die )
 433         {
 434             /* New input or stream map change */
 435             if( p_input->stream.b_changed )
 436             {
 437                 E_(GtkModeManage)( p_intf );
 438                 GtkSetupMenus( p_intf );
 439                 p_intf->p_sys->b_playing = 1;
 440             }
 441
 442             /* Manage the slider */
 443             if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 444             {
 445                 float newvalue = p_intf->p_sys->p_adj->value;
 446
 447 #define p_area p_input->stream.p_selected_area
 448                 /* If the user hasn't touched the slider since the last time,
 449                  * then the input can safely change it */
 450                 if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 451                 {
 452                     /* Update the value */
 453                     p_intf->p_sys->p_adj->value =
 454                     p_intf->p_sys->f_adj_oldvalue =
 455                         ( 100. * p_area->i_tell ) / p_area->i_size;
 456
 457                     gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 458                                              "value_changed" );
 459                 }
 460                 /* Otherwise, send message to the input if the user has
 461                  * finished dragging the slider.
 462                  * Beware, the hack below is needed by the dvdplay plugin! */
 463                 else if( p_intf->p_sys->b_slider_free
 464                 /* hack -> */ && (p_intf->p_sys->f_adj_oldvalue < 100.) )
 465                 {
 466                     if( newvalue >= 0. && newvalue < 100. )
 467                     {
 468                         double f_fpos = (double)newvalue / 100.0;
 469
 470                         /* release the lock to be able to seek */
 471                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 472                         var_SetFloat( p_input, "position", f_fpos );
 473                         vlc_mutex_lock( &p_input->stream.stream_lock );
 474
 475                     }
 476
 477                     /* Update the old value */
 478                     p_intf->p_sys->f_adj_oldvalue = newvalue;
 479                 }
 480 #undef p_area
 481             }
 482
 483             if( p_intf->p_sys->i_part !=
 484                 p_input->stream.p_selected_area->i_part )
 485             {
 486                 p_intf->p_sys->b_chapter_update = 1;
 487                 b_need_menus = VLC_TRUE;
 488             }
 489
 490             /* Does the audio output require to update the menus ? */
 491             p_aout = (aout_instance_t *)vlc_object_find( p_intf, VLC_OBJECT_AOUT,
 492                                                          FIND_ANYWHERE );
 493             if( p_aout != NULL )
 494             {
 495                 vlc_value_t val;
 496                 if( var_Get( (vlc_object_t *)p_aout, "intf-change", &val ) >= 0
 497                     && val.b_bool )
 498                 {
 499                     p_intf->p_sys->b_aout_update = 1;
 500                     b_need_menus = 1;
 501                 }
 502
 503                 vlc_object_release( (vlc_object_t *)p_aout );
 504             }
 505
 506
 507             /* Does the video output require to update the menus ? */
 508             p_vout = (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 509                                                        FIND_ANYWHERE );
 510             if( p_vout != NULL )
 511             {
 512                 vlc_value_t val;
 513                 if( var_Get( (vlc_object_t *)p_vout, "intf-change", &val ) >= 0
 514                     && val.b_bool )
 515                 {
 516                     p_intf->p_sys->b_vout_update = 1;
 517                     b_need_menus = 1;
 518                 }
 519
 520                 vlc_object_release( (vlc_object_t *)p_vout );
 521             }
 522
 523             if( b_need_menus )
 524             {
 525                 GtkSetupMenus( p_intf );
 526             }
 527         }
 528
 529         vlc_mutex_unlock( &p_input->stream.stream_lock );
 530     }
 531     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 532     {
 533         E_(GtkModeManage)( p_intf );
 534         p_intf->p_sys->b_playing = 0;
 535     }
 536
 537     vlc_mutex_unlock( &p_intf->change_lock );
 538
 539     return;
 540 }
 541