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

   1 /*****************************************************************************
   2  * gtk_callbacks.c : Callbacks for the Gtk+ plugin.
   3  *****************************************************************************
   4  * Copyright (C) 2000, 2001, 2003 VideoLAN
   5  * $Id: gtk_callbacks.c,v 1.16 2003/12/22 14:32:56 sam Exp $
   6  *
   7  * Authors: Sam Hocevar <sam@zoy.org>
   8  *          Stéphane Borel <stef@via.ecp.fr>
   9  *          Julien BLACHE <jb@technologeek.org>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29 #include <sys/types.h>                                              /* off_t */
  30 #include <stdlib.h>
  31
  32 #include <vlc/vlc.h>
  33 #include <vlc/intf.h>
  34 #include <vlc/vout.h>
  35 #include <vlc/aout.h>
  36
  37 #include <unistd.h>
  38
  39 #include <gtk/gtk.h>
  40
  41 #include <string.h>
  42
  43 #include "gtk_callbacks.h"
  44 #include "gtk_interface.h"
  45 #include "gtk_support.h"
  46
  47 #include "common.h"
  48
  49 #ifdef HAVE_CDDAX
  50 #define CDDA_MRL "cddax://"
  51 #else
  52 #define CDDA_MRL "cdda://"
  53 #endif
  54
  55 #ifdef HAVE_VCDX
  56 #define VCD_MRL "vcdx://"
  57 #else
  58 #define VCD_MRL "vcdx://"
  59 #endif
  60
  61 /*****************************************************************************
  62  * Useful function to retrieve p_intf
  63  ****************************************************************************/
  64 void * E_(__GtkGetIntf)( GtkWidget * widget )
  65 {
  66     void *p_data;
  67
  68     if( GTK_IS_MENU_ITEM( widget ) )
  69     {
  70         /* Look for a GTK_MENU */
  71         while( widget->parent && !GTK_IS_MENU( widget ) )
  72         {
  73             widget = widget->parent;
  74         }
  75
  76         /* Maybe this one has the data */
  77         p_data = gtk_object_get_data( GTK_OBJECT( widget ), "p_intf" );
  78         if( p_data )
  79         {
  80             return p_data;
  81         }
  82
  83         /* Otherwise, the parent widget has it */
  84         widget = gtk_menu_get_attach_widget( GTK_MENU( widget ) );
  85         p_data = gtk_object_get_data( GTK_OBJECT( widget ), "p_intf" );
  86         if( p_data )
  87         {
  88             return p_data;
  89         }
  90     }
  91
  92     /* We look for the top widget */
  93     widget = gtk_widget_get_toplevel( GTK_WIDGET( widget ) );
  94     p_data = gtk_object_get_data( GTK_OBJECT( widget ), "p_intf" );
  95
  96     return p_data;
  97 }
  98
  99 /*****************************************************************************
 100  * Callbacks
 101  *****************************************************************************/
 102
 103 /*
 104  * Main interface callbacks
 105  */
 106
 107 #ifdef MODULE_NAME_IS_gtk
 108 #   define GTKEXIT GtkExit
 109 #else
 110 #   define GTKEXIT GnomeExit
 111 #endif
 112
 113 gboolean GTKEXIT( GtkWidget       *widget,
 114                   gpointer         user_data )
 115 {
 116     intf_thread_t *p_intf = GtkGetIntf( widget );
 117
 118     vlc_mutex_lock( &p_intf->change_lock );
 119     p_intf->p_vlc->b_die = VLC_TRUE;
 120     vlc_mutex_unlock( &p_intf->change_lock );
 121
 122     return TRUE;
 123 }
 124
 125 void GtkClose( GtkMenuItem     *menuitem,
 126                gpointer         user_data )
 127 {
 128     intf_thread_t *p_intf = GtkGetIntf( menuitem );
 129     p_intf->b_die = VLC_TRUE;
 130 }
 131
 132 gboolean GtkWindowDelete( GtkWidget       *widget,
 133                           GdkEvent        *event,
 134                           gpointer         user_data )
 135 {
 136     GTKEXIT( GTK_WIDGET( widget ), user_data );
 137
 138     return TRUE;
 139 }
 140
 141
 142 gboolean GtkWindowToggle( GtkWidget       *widget,
 143                           gpointer         user_data )
 144 {
 145     intf_thread_t *p_intf = GtkGetIntf( widget );
 146
 147     if( GTK_WIDGET_VISIBLE(p_intf->p_sys->p_window) )
 148     {
 149         gtk_widget_hide( p_intf->p_sys->p_window);
 150     }
 151     else
 152     {
 153         gtk_widget_show( p_intf->p_sys->p_window );
 154     }
 155
 156     return TRUE;
 157 }
 158
 159 gboolean GtkFullscreen( GtkWidget       *widget,
 160                         gpointer         user_data)
 161 {
 162     intf_thread_t *p_intf = GtkGetIntf( widget );
 163     vout_thread_t *p_vout;
 164
 165     if( p_intf->p_sys->p_input == NULL )
 166     {
 167         return FALSE;
 168     }
 169
 170     p_vout = vlc_object_find( p_intf->p_sys->p_input,
 171                               VLC_OBJECT_VOUT, FIND_CHILD );
 172     if( p_vout == NULL )
 173     {
 174         return FALSE;
 175     }
 176
 177     p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 178     vlc_object_release( p_vout );
 179     return TRUE;
 180 }
 181
 182 void GtkWindowDrag( GtkWidget       *widget,
 183                     GdkDragContext  *drag_context,
 184                     gint             x,
 185                     gint             y,
 186                     GtkSelectionData *data,
 187                     guint            info,
 188                     guint            time,
 189                     gpointer         user_data)
 190 {
 191     intf_thread_t * p_intf = GtkGetIntf( widget );
 192     GtkDropDataReceived( p_intf, data, info, PLAYLIST_END );
 193 }
 194
 195
 196 /****************************************************************************
 197  * Slider management
 198  ****************************************************************************/
 199
 200 gboolean GtkSliderRelease( GtkWidget       *widget,
 201                            GdkEventButton  *event,
 202                            gpointer         user_data )
 203 {
 204     intf_thread_t *p_intf = GtkGetIntf( widget );
 205
 206     vlc_mutex_lock( &p_intf->change_lock );
 207     p_intf->p_sys->b_slider_free = VLC_TRUE;
 208     vlc_mutex_unlock( &p_intf->change_lock );
 209
 210     return FALSE;
 211 }
 212
 213
 214 gboolean GtkSliderPress( GtkWidget       *widget,
 215                          GdkEventButton  *event,
 216                          gpointer         user_data)
 217 {
 218     intf_thread_t *p_intf = GtkGetIntf( widget );
 219
 220     vlc_mutex_lock( &p_intf->change_lock );
 221     p_intf->p_sys->b_slider_free = VLC_FALSE;
 222     vlc_mutex_unlock( &p_intf->change_lock );
 223
 224     return FALSE;
 225 }
 226
 227
 228 /****************************************************************************
 229  * DVD specific items
 230  ****************************************************************************/
 231
 232 void GtkTitlePrev( GtkButton * button, gpointer user_data )
 233 {
 234     intf_thread_t *  p_intf;
 235     input_area_t *   p_area;
 236     int              i_id;
 237
 238     p_intf = GtkGetIntf( button );
 239     vlc_mutex_lock( &p_intf->p_sys->p_input->stream.stream_lock );
 240     i_id = p_intf->p_sys->p_input->stream.p_selected_area->i_id - 1;
 241
 242     if( i_id > 0 )
 243     {
 244         p_area = p_intf->p_sys->p_input->stream.pp_areas[i_id];
 245         vlc_mutex_unlock( &p_intf->p_sys->p_input->stream.stream_lock );
 246
 247         input_ChangeArea( p_intf->p_sys->p_input, p_area );
 248         input_SetStatus( p_intf->p_sys->p_input, INPUT_STATUS_PLAY );
 249
 250         p_intf->p_sys->b_title_update = VLC_TRUE;
 251         vlc_mutex_lock( &p_intf->p_sys->p_input->stream.stream_lock );
 252         GtkSetupMenus( p_intf );
 253     }
 254
 255     vlc_mutex_unlock( &p_intf->p_sys->p_input->stream.stream_lock );
 256 }
 257
 258
 259 void GtkTitleNext( GtkButton * button, gpointer user_data )
 260 {
 261     intf_thread_t * p_intf;
 262     input_area_t *  p_area;
 263     unsigned int    i_id;
 264
 265     p_intf = GtkGetIntf( button );
 266     vlc_mutex_lock( &p_intf->p_sys->p_input->stream.stream_lock );
 267     i_id = p_intf->p_sys->p_input->stream.p_selected_area->i_id + 1;
 268
 269     if( i_id < p_intf->p_sys->p_input->stream.i_area_nb )
 270     {
 271         p_area = p_intf->p_sys->p_input->stream.pp_areas[i_id];
 272         vlc_mutex_unlock( &p_intf->p_sys->p_input->stream.stream_lock );
 273
 274         input_ChangeArea( p_intf->p_sys->p_input, p_area );
 275         input_SetStatus( p_intf->p_sys->p_input, INPUT_STATUS_PLAY );
 276
 277         p_intf->p_sys->b_title_update = VLC_TRUE;
 278         vlc_mutex_lock( &p_intf->p_sys->p_input->stream.stream_lock );
 279         GtkSetupMenus( p_intf );
 280     }
 281
 282     vlc_mutex_unlock( &p_intf->p_sys->p_input->stream.stream_lock );
 283 }
 284
 285
 286 void GtkChapterPrev( GtkButton * button, gpointer user_data )
 287 {
 288     intf_thread_t * p_intf;
 289     input_area_t *  p_area;
 290
 291     p_intf = GtkGetIntf( button );
 292     vlc_mutex_lock( &p_intf->p_sys->p_input->stream.stream_lock );
 293     p_area = p_intf->p_sys->p_input->stream.p_selected_area;
 294
 295     if( p_area->i_part - 1 > 0 )
 296     {
 297         p_area->i_part--;
 298         vlc_mutex_unlock( &p_intf->p_sys->p_input->stream.stream_lock );
 299
 300         input_ChangeArea( p_intf->p_sys->p_input, p_area );
 301         input_SetStatus( p_intf->p_sys->p_input, INPUT_STATUS_PLAY );
 302
 303         p_intf->p_sys->b_chapter_update = VLC_TRUE;
 304         vlc_mutex_lock( &p_intf->p_sys->p_input->stream.stream_lock );
 305         GtkSetupMenus( p_intf );
 306     }
 307
 308     vlc_mutex_unlock( &p_intf->p_sys->p_input->stream.stream_lock );
 309 }
 310
 311
 312 void GtkChapterNext( GtkButton * button, gpointer user_data )
 313 {
 314     intf_thread_t * p_intf;
 315     input_area_t *  p_area;
 316
 317     p_intf = GtkGetIntf( button );
 318     vlc_mutex_lock( &p_intf->p_sys->p_input->stream.stream_lock );
 319     p_area = p_intf->p_sys->p_input->stream.p_selected_area;
 320
 321     if( p_area->i_part + 1 < p_area->i_part_nb )
 322     {
 323         p_area->i_part++;
 324         vlc_mutex_unlock( &p_intf->p_sys->p_input->stream.stream_lock );
 325
 326         input_ChangeArea( p_intf->p_sys->p_input, p_area );
 327         input_SetStatus( p_intf->p_sys->p_input, INPUT_STATUS_PLAY );
 328
 329         p_intf->p_sys->b_chapter_update = VLC_TRUE;
 330         vlc_mutex_lock( &p_intf->p_sys->p_input->stream.stream_lock );
 331         GtkSetupMenus( p_intf );
 332     }
 333
 334     vlc_mutex_unlock( &p_intf->p_sys->p_input->stream.stream_lock );
 335 }
 336
 337 /****************************************************************************
 338  * About box
 339  ****************************************************************************/
 340
 341 gboolean GtkAboutShow( GtkWidget       *widget,
 342                        gpointer         user_data)
 343 {
 344     intf_thread_t *p_intf = GtkGetIntf( widget );
 345
 346     if( !GTK_IS_WIDGET( p_intf->p_sys->p_about ) )
 347     {
 348         p_intf->p_sys->p_about = create_intf_about();
 349         gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_about ),
 350                              "p_intf", p_intf );
 351     }
 352     gtk_widget_show( p_intf->p_sys->p_about );
 353     gdk_window_raise( p_intf->p_sys->p_about->window );
 354
 355     return TRUE;
 356 }
 357
 358 void GtkAboutOk( GtkButton * button, gpointer user_data)
 359 {
 360     intf_thread_t *p_intf = GtkGetIntf( button );
 361
 362     gtk_widget_hide( p_intf->p_sys->p_about );
 363 }
 364
 365
 366 /****************************************************************************
 367  * Jump box
 368  ****************************************************************************/
 369
 370 gboolean GtkJumpShow( GtkWidget       *widget,
 371                       gpointer         user_data)
 372 {
 373     intf_thread_t *p_intf = GtkGetIntf( widget );
 374
 375     if( !GTK_IS_WIDGET( p_intf->p_sys->p_jump ) )
 376     {
 377         p_intf->p_sys->p_jump = create_intf_jump();
 378         gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_jump ),
 379                              "p_intf", p_intf );
 380     }
 381
 382     gtk_widget_show( p_intf->p_sys->p_jump );
 383     gdk_window_raise( p_intf->p_sys->p_jump->window );
 384
 385     return FALSE;
 386 }
 387
 388
 389 void GtkJumpOk( GtkButton       *button,
 390                 gpointer         user_data)
 391 {
 392     intf_thread_t * p_intf = GtkGetIntf( button );
 393     int i_hours, i_minutes, i_seconds;
 394
 395     if( p_intf->p_sys->p_input == NULL )
 396     {
 397         return;
 398     }
 399
 400 #define GET_VALUE( name )                                                   \
 401     gtk_spin_button_get_value_as_int( GTK_SPIN_BUTTON( gtk_object_get_data( \
 402         GTK_OBJECT( p_intf->p_sys->p_jump ), name ) ) )
 403     i_hours   = GET_VALUE( "jump_hour_spinbutton" );
 404     i_minutes = GET_VALUE( "jump_minute_spinbutton" );
 405     i_seconds = GET_VALUE( "jump_second_spinbutton" );
 406 #undef GET_VALUE
 407
 408     input_Seek( p_intf->p_sys->p_input,
 409                 i_seconds + 60 * i_minutes + 3600 * i_hours,
 410                 INPUT_SEEK_SECONDS | INPUT_SEEK_SET );
 411
 412     gtk_widget_hide( gtk_widget_get_toplevel( GTK_WIDGET (button) ) );
 413 }
 414
 415
 416 void GtkJumpCancel( GtkButton       *button,
 417                     gpointer         user_data)
 418 {
 419     gtk_widget_hide( gtk_widget_get_toplevel( GTK_WIDGET (button) ) );
 420 }
 421
 422 /****************************************************************************
 423  * Callbacks for disc ejection
 424  ****************************************************************************/
 425 gboolean GtkDiscEject ( GtkWidget *widget, gpointer user_data )
 426 {
 427     char *psz_device = NULL;
 428     char *psz_parser;
 429     char *psz_current;
 430
 431     intf_thread_t *p_intf = GtkGetIntf( widget );
 432     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 433                                                        FIND_ANYWHERE );
 434     if( p_playlist == NULL )
 435     {
 436         return FALSE;
 437     }
 438
 439     vlc_mutex_lock( &p_playlist->object_lock );
 440
 441     if( p_playlist->i_index < 0 )
 442     {
 443         vlc_mutex_unlock( &p_playlist->object_lock );
 444         vlc_object_release( p_playlist );
 445         return FALSE;
 446     }
 447
 448     psz_current = p_playlist->pp_items[ p_playlist->i_index ]->psz_name;
 449
 450     /*
 451      * Get the active input
 452      * Determine whether we can eject a media, ie it's a VCD or DVD
 453      * If it's neither a VCD nor a DVD, then return
 454      */
 455
 456     /*
 457      * Don't really know if I must lock the stuff here, we're using it read-only
 458      */
 459
 460     if( psz_current != NULL )
 461     {
 462         if( !strncmp(psz_current, "dvd://", 4) )
 463         {
 464             switch( psz_current[strlen("dvd://")] )
 465             {
 466             case '\0':
 467             case '@':
 468                 psz_device = config_GetPsz( p_intf, "dvd" );
 469                 break;
 470             default:
 471                 /* Omit the first MRL-selector characters */
 472                 psz_device = strdup( psz_current + strlen("dvd://" ) );
 473                 break;
 474             }
 475         }
 476         else if( !strncmp(psz_current, "vcd:", strlen("vcd:")) )
 477         {
 478             switch( psz_current[strlen("vcd:")] )
 479             {
 480             case '\0':
 481             case '@':
 482                 psz_device = config_GetPsz( p_intf, VCD_MRL );
 483                 break;
 484             default:
 485                 /* Omit the beginning MRL-selector characters */
 486                 psz_device = strdup( psz_current + strlen(VCD_MRL) );
 487                 break;
 488             }
 489         }
 490         else if( !strncmp(psz_current, CDDA_MRL, strlen(CDDA_MRL) ) )
 491         {
 492             switch( psz_current[strlen(CDDA_MRL)] )
 493             {
 494             case '\0':
 495             case '@':
 496                 psz_device = config_GetPsz( p_intf, "cd-audio" );
 497                 break;
 498             default:
 499                 /* Omit the beginning MRL-selector characters */
 500                 psz_device = strdup( psz_current + strlen(CDDA_MRL) );
 501                 break;
 502             }
 503         }
 504         else
 505         {
 506             psz_device = strdup( psz_current );
 507         }
 508     }
 509
 510     vlc_mutex_unlock( &p_playlist->object_lock );
 511     vlc_object_release( p_playlist );
 512
 513     if( psz_device == NULL )
 514     {
 515         return TRUE;
 516     }
 517
 518     /* Remove what we have after @ */
 519     psz_parser = psz_device;
 520     for( psz_parser = psz_device ; *psz_parser ; psz_parser++ )
 521     {
 522         if( *psz_parser == '@' )
 523         {
 524             *psz_parser = '\0';
 525             break;
 526         }
 527     }
 528
 529     /* If there's a stream playing, we aren't allowed to eject ! */
 530     if( p_intf->p_sys->p_input == NULL )
 531     {
 532         msg_Dbg( p_intf, "ejecting %s", psz_device );
 533
 534         intf_Eject( p_intf, psz_device );
 535     }
 536
 537     free(psz_device);
 538
 539     return TRUE;
 540 }
 541
 542 /****************************************************************************
 543  * Messages window
 544  ****************************************************************************/
 545
 546 gboolean GtkMessagesShow( GtkWidget       *widget,
 547                           gpointer         user_data)
 548 {
 549     static GdkColor black = { 0, 0x0000, 0x0000, 0x0000 };
 550     static GdkColormap *colormap;
 551     intf_thread_t *p_intf = GtkGetIntf( widget );
 552
 553     gtk_widget_show( p_intf->p_sys->p_messages );
 554     colormap = gdk_colormap_get_system ();
 555     gdk_color_alloc( colormap, &black );
 556     gdk_window_set_background( p_intf->p_sys->p_messages_text->text_area,
 557                                &black );
 558
 559     gdk_window_raise( p_intf->p_sys->p_messages->window );
 560
 561     gtk_text_set_point( p_intf->p_sys->p_messages_text,
 562                     gtk_text_get_length( p_intf->p_sys->p_messages_text ) );
 563
 564     return TRUE;
 565 }
 566
 567 void
 568 GtkMessagesOk                          (GtkButton       *button,
 569                                         gpointer         user_data)
 570 {
 571     intf_thread_t *p_intf = GtkGetIntf( button );
 572     gtk_widget_hide( p_intf->p_sys->p_messages );
 573 }
 574
 575
 576 gboolean
 577 GtkMessagesDelete                      (GtkWidget       *widget,
 578                                         GdkEvent        *event,
 579                                         gpointer         user_data)
 580 {
 581     intf_thread_t *p_intf = GtkGetIntf( widget );
 582     gtk_widget_hide( p_intf->p_sys->p_messages );
 583     return TRUE;
 584 }
 585
 586
 587 void
 588 GtkOpenNotebookChanged                 (GtkNotebook     *notebook,
 589                                         GtkNotebookPage *page,
 590                                         gint             page_num,
 591                                         gpointer         user_data)
 592 {
 593     GtkOpenChanged( GTK_WIDGET( notebook ), user_data );
 594 }
 595
 596 /****************************************************************************
 597  * Audio management
 598  ****************************************************************************/
 599 void GtkVolumeUp                      ( GtkMenuItem     *menuitem,
 600                                         gpointer         user_data )
 601 {
 602     intf_thread_t   *p_intf = GtkGetIntf( menuitem );
 603     audio_volume_t  i_volume;
 604
 605     aout_VolumeUp( p_intf, 1, &i_volume );
 606     p_intf->p_sys->b_mute = ( i_volume == 0 ) ? 1 : 0;
 607 }
 608
 609
 610 void GtkVolumeDown                    ( GtkMenuItem     *menuitem,
 611                                         gpointer         user_data )
 612 {
 613     intf_thread_t   *p_intf = GtkGetIntf( menuitem );
 614     audio_volume_t  i_volume;
 615
 616     aout_VolumeDown( p_intf, 1, &i_volume );
 617     p_intf->p_sys->b_mute = ( i_volume == 0 ) ? 1 : 0;
 618 }
 619
 620
 621 void GtkVolumeMute                    ( GtkMenuItem     *menuitem,
 622                                         gpointer         user_data )
 623 {
 624     intf_thread_t   *p_intf = GtkGetIntf( menuitem );
 625     audio_volume_t i_volume;
 626
 627     aout_VolumeMute( p_intf, &i_volume );
 628     p_intf->p_sys->b_mute = ( i_volume == 0 ) ? 1 : 0;
 629 }
 630
 631 void
 632 GtkMenubarDeinterlace                  ( GtkMenuItem     *menuitem,
 633                                         gpointer         user_data)
 634 {
 635     intf_thread_t   *p_intf = GtkGetIntf( menuitem );
 636
 637     if( p_intf )
 638         msg_Dbg( p_intf, "GtkMenubarDeinterlace" );
 639 }
 640
 641
 642 void
 643 GtkPopupDeinterlace                    (GtkRadioMenuItem *radiomenuitem,
 644                                         gpointer         user_data)
 645 {
 646     intf_thread_t   *p_intf = GtkGetIntf( radiomenuitem );
 647
 648     if( p_intf )
 649         msg_Dbg( p_intf, "GtkPopupDeinterlace" );
 650 }
 651
 652
 653