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 1.2 2002/08/20 18:08:51 sam 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 );
  73     add_bool( "gnome-tooltips", 1, GtkHideTooltips,
  74               TOOLTIPS_TEXT, TOOLTIPS_LONGTEXT );
  75     add_bool( "gnome-toolbartext", 1, GtkHideToolbarText, TOOLBAR_TEXT,
  76               TOOLBAR_LONGTEXT );
  77     add_integer( "gnome-prefs-maxh", 480, NULL,
  78                  PREFS_MAXH_TEXT, PREFS_MAXH_LONGTEXT );
  79
  80     set_description( _("GNOME interface module") );
  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, "gtk_main", "gnome" );
 102     if( p_intf->p_sys->p_gtk_main == NULL )
 103     {
 104         free( p_intf->p_sys );
 105         return VLC_EMODULE;
 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 = 0;
 114     p_intf->p_sys->b_popup_changed = 0;
 115     p_intf->p_sys->b_window_changed = 0;
 116     p_intf->p_sys->b_playlist_changed = 0;
 117
 118     p_intf->p_sys->p_input = NULL;
 119     p_intf->p_sys->i_playing = -1;
 120     p_intf->p_sys->b_slider_free = 1;
 121
 122     p_intf->p_sys->i_part = 0;
 123
 124     return VLC_SUCCESS;
 125 }
 126
 127 /*****************************************************************************
 128  * Close: destroy interface window
 129  *****************************************************************************/
 130 static void Close( vlc_object_t *p_this )
 131 {
 132     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 133
 134     if( p_intf->p_sys->p_input )
 135     {
 136         vlc_object_release( p_intf->p_sys->p_input );
 137     }
 138
 139     msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 140
 141     module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
 142
 143     /* Destroy structure */
 144     free( p_intf->p_sys );
 145 }
 146
 147 /*****************************************************************************
 148  * Run: Gnome thread
 149  *****************************************************************************
 150  * this part of the interface is in a separate thread so that we can call
 151  * gtk_main() from within it without annoying the rest of the program.
 152  * XXX: the approach may look kludgy, and probably is, but I could not find
 153  * a better way to dynamically load a Gnome interface at runtime.
 154  *****************************************************************************/
 155 static void Run( intf_thread_t *p_intf )
 156 {
 157     /* The data types we are allowed to receive */
 158     static GtkTargetEntry target_table[] =
 159     {
 160         { "STRING", 0, DROP_ACCEPT_STRING },
 161         { "text/uri-list", 0, DROP_ACCEPT_TEXT_URI_LIST },
 162         { "text/plain",    0, DROP_ACCEPT_TEXT_PLAIN }
 163     };
 164
 165     gdk_threads_enter();
 166
 167     /* Create some useful widgets that will certainly be used */
 168     p_intf->p_sys->p_window = create_intf_window( );
 169     p_intf->p_sys->p_popup = create_intf_popup( );
 170     p_intf->p_sys->p_playwin = create_intf_playlist();
 171     p_intf->p_sys->p_messages = create_intf_messages();
 172     p_intf->p_sys->p_tooltips = gtk_tooltips_new();
 173
 174     /* Set the title of the main window */
 175     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 176                           VOUT_TITLE " (Gnome interface)");
 177
 178     /* Accept file drops on the main window */
 179     gtk_drag_dest_set( GTK_WIDGET( p_intf->p_sys->p_window ),
 180                        GTK_DEST_DEFAULT_ALL, target_table,
 181                        1, GDK_ACTION_COPY );
 182     /* Accept file drops on the playlist window */
 183     gtk_drag_dest_set( GTK_WIDGET( gtk_object_get_data( GTK_OBJECT(
 184                             p_intf->p_sys->p_playwin ), "playlist_clist") ),
 185                        GTK_DEST_DEFAULT_ALL, target_table,
 186                        1, GDK_ACTION_COPY );
 187
 188     /* Get the slider object */
 189     p_intf->p_sys->p_slider_frame = gtk_object_get_data(
 190                       GTK_OBJECT( p_intf->p_sys->p_window ), "slider_frame" );
 191
 192     /* Configure the log window */
 193     p_intf->p_sys->p_messages_text = GTK_TEXT( gtk_object_get_data(
 194         GTK_OBJECT(p_intf->p_sys->p_messages ), "messages_textbox" ) );
 195     gtk_text_set_line_wrap( p_intf->p_sys->p_messages_text, TRUE);
 196     gtk_text_set_word_wrap( p_intf->p_sys->p_messages_text, FALSE);
 197
 198     /* Get the interface labels */
 199     #define P_LABEL( name ) GTK_LABEL( gtk_object_get_data( \
 200                          GTK_OBJECT( p_intf->p_sys->p_window ), name ) )
 201     p_intf->p_sys->p_label_title = P_LABEL( "title_label" );
 202     p_intf->p_sys->p_label_chapter = P_LABEL( "chapter_label" );
 203     #undef P_LABEL
 204
 205     /* Connect the date display to the slider */
 206     #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 207                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 208     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 209
 210     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 211                          GTK_SIGNAL_FUNC( GtkDisplayDate ), NULL );
 212     p_intf->p_sys->f_adj_oldvalue = 0;
 213     #undef P_SLIDER
 214
 215     /* We don't create these ones yet because we perhaps won't need them */
 216     p_intf->p_sys->p_about = NULL;
 217     p_intf->p_sys->p_modules = NULL;
 218     p_intf->p_sys->p_open = NULL;
 219     p_intf->p_sys->p_jump = NULL;
 220
 221     /* Hide tooltips if the option is set */
 222     if( !config_GetInt( p_intf, "gnome-tooltips" ) )
 223     {
 224         gtk_tooltips_disable( p_intf->p_sys->p_tooltips );
 225     }
 226
 227     /* Hide toolbar text of the option is set */
 228     if( !config_GetInt( p_intf, "gnome-toolbartext" ) )
 229     {
 230         gtk_toolbar_set_style(
 231             GTK_TOOLBAR(lookup_widget( p_intf->p_sys->p_window, "toolbar" )),
 232             GTK_TOOLBAR_ICONS );
 233     }
 234
 235     /* Store p_intf to keep an eye on it */
 236     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 237                          "p_intf", p_intf );
 238
 239     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_popup),
 240                          "p_intf", p_intf );
 241
 242     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_playwin ),
 243                          "p_intf", p_intf );
 244
 245     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_messages ),
 246                          "p_intf", p_intf );
 247
 248     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
 249                          "p_intf", p_intf );
 250
 251     /* Show the control window */
 252     gtk_widget_show( p_intf->p_sys->p_window );
 253
 254     while( !p_intf->b_die )
 255     {
 256         Manage( p_intf );
 257
 258         /* Sleep to avoid using all CPU - since some interfaces need to
 259          * access keyboard events, a 100ms delay is a good compromise */
 260         gdk_threads_leave();
 261         msleep( INTF_IDLE_SLEEP );
 262         gdk_threads_enter();
 263     }
 264
 265     /* Destroy the Tooltips structure */
 266     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_tooltips) );
 267     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_messages) );
 268     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_playwin) );
 269     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_popup) );
 270     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 271
 272     gdk_threads_leave();
 273 }
 274
 275 /* following functions are local */
 276
 277 /*****************************************************************************
 278  * Manage: manage main thread messages
 279  *****************************************************************************
 280  * In this function, called approx. 10 times a second, we check what the
 281  * main program wanted to tell us.
 282  *****************************************************************************/
 283 static void Manage( intf_thread_t *p_intf )
 284 {
 285     int i_start, i_stop;
 286
 287     vlc_mutex_lock( &p_intf->change_lock );
 288
 289     /* If the "display popup" flag has changed */
 290     if( p_intf->b_menu_change )
 291     {
 292         if( !GTK_IS_WIDGET( p_intf->p_sys->p_popup ) )
 293         {
 294             p_intf->p_sys->p_popup = create_intf_popup();
 295             gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_popup ),
 296                                  "p_popup", p_intf );
 297         }
 298
 299         gnome_popup_menu_do_popup( p_intf->p_sys->p_popup,
 300                                    NULL, NULL, NULL, NULL );
 301         p_intf->b_menu_change = 0;
 302     }
 303
 304     /* Update the log window */
 305     vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
 306     i_stop = *p_intf->p_sys->p_sub->pi_stop;
 307     vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
 308
 309     if( p_intf->p_sys->p_sub->i_start != i_stop )
 310     {
 311         static GdkColor white  = { 0, 0xffff, 0xffff, 0xffff };
 312         static GdkColor gray   = { 0, 0xaaaa, 0xaaaa, 0xaaaa };
 313         static GdkColor yellow = { 0, 0xffff, 0xffff, 0x6666 };
 314         static GdkColor red    = { 0, 0xffff, 0x6666, 0x6666 };
 315
 316         static const char * ppsz_type[4] = { ": ", " error: ", " warning: ",
 317                                              " debug: " };
 318         static GdkColor *   pp_color[4] = { &white, &red, &yellow, &gray };
 319
 320         for( i_start = p_intf->p_sys->p_sub->i_start;
 321              i_start != i_stop;
 322              i_start = (i_start+1) % VLC_MSG_QSIZE )
 323         {
 324             /* Append all messages to log window */
 325             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 326              NULL, p_intf->p_sys->p_sub->p_msg[i_start].psz_module, -1 );
 327
 328             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 329                 NULL, ppsz_type[p_intf->p_sys->p_sub->p_msg[i_start].i_type],
 330                 -1 );
 331
 332             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL,
 333                 pp_color[p_intf->p_sys->p_sub->p_msg[i_start].i_type], NULL,
 334                 p_intf->p_sys->p_sub->p_msg[i_start].psz_msg, -1 );
 335
 336             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 337                 NULL, "\n", -1 );
 338         }
 339
 340         vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
 341         p_intf->p_sys->p_sub->i_start = i_start;
 342         vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
 343
 344         gtk_text_set_point( p_intf->p_sys->p_messages_text,
 345                     gtk_text_get_length( p_intf->p_sys->p_messages_text ) );
 346     }
 347
 348     /* Update the playlist */
 349     GtkPlayListManage( p_intf );
 350
 351     /* Update the input */
 352     if( p_intf->p_sys->p_input != NULL )
 353     {
 354         if( p_intf->p_sys->p_input->b_dead )
 355         {
 356             vlc_object_release( p_intf->p_sys->p_input );
 357             p_intf->p_sys->p_input = NULL;
 358         }
 359     }
 360
 361     if( p_intf->p_sys->p_input == NULL )
 362     {
 363         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 364                                                           FIND_ANYWHERE );
 365     }
 366
 367     if( p_intf->p_sys->p_input )
 368     {
 369         input_thread_t *p_input = p_intf->p_sys->p_input;
 370
 371         vlc_mutex_lock( &p_input->stream.stream_lock );
 372
 373         if( !p_input->b_die )
 374         {
 375             /* New input or stream map change */
 376             if( p_input->stream.b_changed )
 377             {
 378                 GtkModeManage( p_intf );
 379                 GtkSetupMenus( p_intf );
 380                 p_intf->p_sys->b_playing = 1;
 381             }
 382
 383             /* Manage the slider */
 384             if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 385             {
 386                 float newvalue = p_intf->p_sys->p_adj->value;
 387
 388 #define p_area p_input->stream.p_selected_area
 389                 /* If the user hasn't touched the slider since the last time,
 390                  * then the input can safely change it */
 391                 if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 392                 {
 393                     /* Update the value */
 394                     p_intf->p_sys->p_adj->value =
 395                     p_intf->p_sys->f_adj_oldvalue =
 396                         ( 100. * p_area->i_tell ) / p_area->i_size;
 397
 398                     gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 399                                              "value_changed" );
 400                 }
 401                 /* Otherwise, send message to the input if the user has
 402                  * finished dragging the slider */
 403                 else if( p_intf->p_sys->b_slider_free )
 404                 {
 405                     if( newvalue > 0. && newvalue < 100. )
 406                     {
 407                         off_t i_seek = ( newvalue * p_area->i_size ) / 100;
 408
 409                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 410                         input_Seek( p_input, i_seek, INPUT_SEEK_SET );
 411                         vlc_mutex_lock( &p_input->stream.stream_lock );
 412                     }
 413
 414                     /* Update the old value */
 415                     p_intf->p_sys->f_adj_oldvalue = newvalue;
 416                 }
 417 #undef p_area
 418             }
 419
 420             if( p_intf->p_sys->i_part !=
 421                 p_input->stream.p_selected_area->i_part )
 422             {
 423                 p_intf->p_sys->b_chapter_update = 1;
 424                 GtkSetupMenus( p_intf );
 425             }
 426         }
 427
 428         vlc_mutex_unlock( &p_input->stream.stream_lock );
 429     }
 430     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 431     {
 432         GtkModeManage( p_intf );
 433         p_intf->p_sys->b_playing = 0;
 434     }
 435
 436     vlc_mutex_unlock( &p_intf->change_lock );
 437
 438     return;
 439 }
 440