git.sesse.net Git - vlc/blob - plugins/gtk/gtk_playlist.c

   1 /*****************************************************************************
   2  * gtk_playlist.c : Interface for the playlist dialog
   3  *****************************************************************************
   4  * Copyright (C) 2001 VideoLAN
   5  *
   6  * Authors: Pierre Baillet <oct@zoy.org>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  21  *****************************************************************************/
  22
  23 #define MODULE_NAME gtk
  24 #include "modules_inner.h"
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29 #include "defs.h"
  30
  31 #include <stdlib.h>
  32
  33 #include <gtk/gtk.h>
  34
  35 #include <string.h>
  36
  37 #include <sys/types.h>          /* for readdir  and stat stuff */
  38 #include <dirent.h>
  39 #include <sys/stat.h>
  40 #include <unistd.h>
  41
  42 #include "config.h"
  43 #include "common.h"
  44 #include "threads.h"
  45 #include "mtime.h"
  46
  47 #include "stream_control.h"
  48 #include "input_ext-intf.h"
  49
  50 #include "interface.h"
  51 #include "intf_playlist.h"
  52 #include "intf_msg.h"
  53 #include "intf_urldecode.h"
  54
  55 #include "gtk_callbacks.h"
  56 #include "gtk_interface.h"
  57 #include "gtk_support.h"
  58 #include "intf_gtk.h"
  59
  60 #include "main.h"
  61
  62 /* Playlist specific functions */
  63 void rebuildCList(GtkCList * clist, playlist_t * playlist_p);
  64 gint compareItems(gconstpointer a, gconstpointer b);
  65 int hasValidExtension(gchar * filename);
  66 GList * intf_readFiles(gchar * fsname );
  67 int intf_AppendList( playlist_t * p_playlist, int i_pos, GList * list );
  68 void GtkPlayListManage( gpointer p_data );
  69 void on_generic_drop_data_received( intf_thread_t * p_intf,
  70                 GtkSelectionData *data, guint info, int position);
  71
  72 void
  73 on_menubar_playlist_activate           (GtkMenuItem     *menuitem,
  74                                         gpointer         user_data)
  75 {
  76
  77     intf_thread_t *p_intf = GetIntf( GTK_WIDGET(menuitem), "intf_window" );
  78     playlist_t * p_playlist ;
  79     GtkCList * list;
  80
  81     if( !GTK_IS_WIDGET( p_intf->p_sys->p_playlist ) )
  82     {
  83         /* this shoud never happen */
  84         intf_ErrMsgImm("intf_playlist is not a widget !");
  85         p_intf->p_sys->p_playlist = create_intf_playlist();
  86         gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_playlist ),
  87                              "p_intf", p_intf );
  88     }
  89
  90     vlc_mutex_lock( &p_main->p_playlist->change_lock );
  91     if(p_main->p_playlist->i_size > 0 )
  92     {
  93         p_playlist = p_main->p_playlist;
  94         list = GTK_CLIST(lookup_widget( p_intf->p_sys->p_playlist, "playlist_clist" )) ;
  95         rebuildCList( list, p_playlist );
  96     }
  97     vlc_mutex_unlock( &p_main->p_playlist->change_lock );
  98
  99     gtk_widget_show( p_intf->p_sys->p_playlist );
 100     gdk_window_raise( p_intf->p_sys->p_playlist->window );
 101 }
 102
 103
 104 void
 105 on_toolbar_playlist_clicked            (GtkButton       *button,
 106                                         gpointer         user_data)
 107 {
 108     intf_thread_t *p_intf = GetIntf( GTK_WIDGET(button), "intf_window" );
 109
 110     if( !GTK_IS_WIDGET( p_intf->p_sys->p_playlist ) )
 111     {
 112         /* this shoud never happen */
 113         intf_ErrMsgImm("intf_playlist is not a widget !");
 114
 115         p_intf->p_sys->p_playlist = create_intf_playlist();
 116         gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_playlist ),
 117                              "p_intf", p_intf );
 118     }
 119     if( GTK_WIDGET_VISIBLE(p_intf->p_sys->p_playlist) ) {
 120         gtk_widget_hide( p_intf->p_sys->p_playlist);
 121     }
 122     else
 123     {
 124         GtkCList * clist;
 125         gtk_widget_show( p_intf->p_sys->p_playlist );
 126         clist = GTK_CLIST(lookup_widget( p_intf->p_sys->p_playlist,"playlist_clist" ));
 127         gdk_window_raise( p_intf->p_sys->p_playlist->window );
 128         rebuildCList( clist , p_main->p_playlist );
 129     }
 130 }
 131
 132 void
 133 on_playlist_ok_clicked                 (GtkButton       *button,
 134                                         gpointer         user_data)
 135 {
 136     intf_thread_t *p_intf = GetIntf( GTK_WIDGET(button), "intf_playlist" );
 137     gtk_widget_hide( p_intf->p_sys->p_playlist );
 138 }
 139
 140 void  deleteGListItem(gpointer data, gpointer param)
 141 {
 142     int curRow = ( int )data;
 143     intf_thread_t * p_intf = param;
 144
 145     intf_PlaylistDelete( p_main->p_playlist, curRow );
 146
 147     /* are we deleting the current played stream */
 148     if( p_intf->p_sys->i_playing == curRow )
 149     {
 150         /* next ! */
 151         p_intf->p_input->b_eof = 1;
 152         /* this has to set the slider to 0 */
 153
 154         /* step minus one */
 155         p_intf->p_sys->i_playing-- ;
 156         p_main->p_playlist->i_index-- ;
 157     }
 158 }
 159 gint compareItems(gconstpointer a, gconstpointer b)
 160 {
 161     return b - a;
 162 }
 163
 164 void
 165 rebuildCList(GtkCList * clist, playlist_t * playlist_p)
 166 {
 167     int dummy;
 168     gchar * text[2];
 169     GdkColor red;
 170     red.red = 65535;
 171     red.green = 0;
 172     red.blue = 0;
 173
 174
 175     gtk_clist_freeze( clist );
 176     gtk_clist_clear( clist );
 177
 178     for( dummy=0; dummy < playlist_p->i_size; dummy++ )
 179     {
 180         text[0] = g_strdup( rindex( (char *)(playlist_p->p_item[playlist_p->i_size -1 - dummy].psz_name ), '/' ) + 1 );
 181         text[1] = g_strdup( "no info");
 182
 183         gtk_clist_insert( clist, 0, text );
 184
 185         free(text[0]);
 186         free(text[1]);
 187     }
 188     gtk_clist_set_background (
 189       clist,
 190       playlist_p->i_index,
 191       &red);
 192     gtk_clist_thaw( clist );
 193 }
 194
 195 void
 196 on_invertselection_clicked (GtkMenuItem *item, gpointer user_data)
 197 {
 198     int * selected, sel_l;
 199     GtkCList    * clist;
 200     playlist_t * playlist_p;
 201     int dummy;
 202
 203     /* catch the thread back */
 204     intf_thread_t *p_intf = GetIntf( GTK_WIDGET(item), "intf_playlist" );
 205     playlist_p = p_main->p_playlist;
 206
 207     /* lock the struct */
 208     vlc_mutex_lock( &p_intf->change_lock );
 209     clist = GTK_CLIST( lookup_widget(p_intf->p_sys->p_playlist,"playlist_clist") );
 210
 211     /* have to copy the selection to an int *
 212        I wasn't able to copy the g_list to another g_list
 213        glib only does pointer copies, not real copies :( */
 214
 215     selected = malloc(sizeof(int)* g_list_length(clist->selection));
 216     sel_l = g_list_length(clist->selection);
 217     for(dummy=0; dummy < sel_l; dummy++)
 218     {
 219         selected[dummy] = (int)g_list_nth_data(clist->selection,dummy);
 220     }
 221
 222     gtk_clist_freeze( clist );
 223     gtk_clist_select_all( clist );
 224     for(dummy=0; dummy < sel_l; dummy++)
 225     {
 226         gtk_clist_unselect_row( clist, selected[dummy],0);
 227         gtk_clist_unselect_row( clist, selected[dummy],1);
 228     }
 229     free( selected );
 230     gtk_clist_thaw( clist );
 231     vlc_mutex_unlock( &p_intf->change_lock );
 232 }
 233
 234 void
 235 on_crop_activate                       (GtkMenuItem     *menuitem,
 236                                        gpointer         user_data)
 237 {
 238     /* Ok, this is a really small thing, but, hey, it works and
 239        might be useful, who knows ? */
 240
 241     on_invertselection_clicked (menuitem, user_data);
 242     on_delete_clicked(menuitem, user_data);
 243 }
 244
 245
 246 void
 247 on_delete_clicked                      (GtkMenuItem       *item,
 248                                         gpointer         user_data)
 249 {
 250     /* user wants to delete a file in the queue */
 251     GList * selection;
 252     GtkCList    * clist;
 253     playlist_t * playlist_p;
 254
 255     /* catch the thread back */
 256     intf_thread_t *p_intf = GetIntf( GTK_WIDGET(item), "intf_playlist" );
 257     playlist_p = p_main->p_playlist;
 258
 259     /* lock the struct */
 260     vlc_mutex_lock( &p_intf->change_lock );
 261     clist = GTK_CLIST( lookup_widget(p_intf->p_sys->p_playlist,"playlist_clist") );
 262
 263     /* I use UNDOCUMENTED features to retrieve the selection... */
 264     selection = clist->selection;
 265
 266     if( g_list_length(selection)>0 )
 267     {
 268         /* reverse-sort so that we can delete from the furthest to the
 269            closest item to delete...
 270           */
 271         selection = g_list_sort( selection, compareItems );
 272         g_list_foreach( selection,
 273                         deleteGListItem,
 274                         p_intf );
 275
 276         rebuildCList( clist, playlist_p );
 277     }
 278
 279     vlc_mutex_unlock( &p_intf->change_lock );
 280 }
 281
 282 gboolean
 283 on_intf_playlist_destroy_event         (GtkWidget       *widget,
 284                                         GdkEvent        *event,
 285                                         gpointer         user_data)
 286 {
 287     /* hide ! */
 288     gtk_widget_hide(widget);
 289     return TRUE;
 290 }
 291
 292 void
 293 on_intf_playlist_drag_data_received    (GtkWidget       *widget,
 294     GdkDragContext  *drag_context,
 295     gint             x,
 296     gint             y,
 297     GtkSelectionData *data,
 298     guint            info,
 299     guint            time,
 300     gpointer         user_data)
 301 {
 302     /* catch the interface back */
 303     intf_thread_t * p_intf =  GetIntf( GTK_WIDGET(widget), "intf_playlist" );
 304     GtkCList *  clist;
 305     gint row, col;
 306
 307     clist = GTK_CLIST(lookup_widget( p_intf->p_sys->p_playlist,"playlist_clist" ));
 308
 309     /* are we dropping somewhere into the clist items ? */
 310     if( gtk_clist_get_selection_info( clist,
 311                 x,
 312                 y,
 313                 &row,
 314                 &col )== 1)
 315     {
 316         on_generic_drop_data_received( p_intf, data, info, row );
 317     }
 318     /* else, put that at the end of the playlist */
 319     else
 320     {
 321         on_generic_drop_data_received( p_intf, data, info, PLAYLIST_END);
 322     }
 323 }
 324
 325 void on_generic_drop_data_received( intf_thread_t * p_intf,
 326         GtkSelectionData *data, guint info, int position)
 327 {
 328     /* first we'll have to split against all the '\n' we have */
 329     gchar * protocol;
 330     gchar * temp;
 331     gchar * string = data->data ;
 332     GList * files = NULL;
 333     GtkCList * clist;
 334
 335
 336     /* catch the playlist back */
 337     playlist_t * p_playlist = p_main->p_playlist ;
 338
 339
 340     /* if this has been URLencoded, decode it
 341      *
 342      * Is it a good thing to do it in place ?
 343      * probably not...
 344      */
 345     if(info == DROP_ACCEPT_TEXT_URI_LIST)
 346     {
 347         urldecode_path( string );
 348     }
 349
 350     /* this cuts string into single file drops */
 351     /* this code was borrowed from xmms, thx guys :) */
 352     while(*string)
 353     {
 354         temp = strchr(string, '\n');
 355         if(temp)
 356         {
 357             if (*(temp - 1) == '\r')
 358                 *(temp - 1) = '\0';
 359             *temp = '\0';
 360         }
 361
 362
 363         /* do we have a protocol or something ? */
 364         protocol = strstr( string, ":/" );
 365         if( protocol != NULL )
 366         {
 367             protocol = calloc( protocol - string + 2 ,
 368                             sizeof(char));
 369             protocol = strncpy( protocol, string, strstr( string, ":/") + 1 - string );
 370
 371             intf_WarnMsg(1,"Protocol dropped is %s",protocol);
 372             string += strlen(protocol) ;
 373
 374             /* Allowed things are proto: or proto:// */
 375             if(string[0]=='/' && string[1]=='/')
 376             {
 377                 /* eat one '/' */
 378                 string++;
 379             }
 380             intf_WarnMsg(1,"Dropped %s",string);
 381
 382         }
 383         else
 384         {
 385             protocol = strdup("");
 386         }
 387
 388         /* if it uses the file protocol we can do something, else, sorry :(
 389          * I think this is a good choice for now, as we don't have any
 390          * ability to read http:// or ftp:// files
 391          * what about adding dvd:// to the list of authorized proto ? */
 392
 393         if( strcmp(protocol,"file:")==0 )
 394         {
 395             files = g_list_concat( files, intf_readFiles( string ) );
 396         }
 397
 398         /* free the malloc and go on... */
 399         free( protocol );
 400         if (!temp)
 401             break;
 402         string = temp + 1;
 403     }
 404
 405     /* At this point, we have a nice big list maybe NULL */
 406     if(files != NULL)
 407     {
 408         /* lock the interface */
 409         vlc_mutex_lock( &p_intf->change_lock );
 410         intf_WarnMsg( 1, "List has %d elements",g_list_length( files ) );
 411         intf_AppendList( p_playlist, position, files );
 412
 413         /* get the CList  and rebuild it. */
 414         clist = GTK_CLIST(
 415                 lookup_widget( p_intf->p_sys->p_playlist,
 416                                "playlist_clist" ) );
 417         rebuildCList( clist , p_playlist );
 418
 419         /* unlock the interface */
 420         vlc_mutex_unlock( &p_intf->change_lock );
 421     }
 422 }
 423
 424 /* check a file (string) against supposed valid extension */
 425 int
 426 hasValidExtension( gchar * filename )
 427 {
 428     char * ext[6] = {"mpg","mpeg","vob","mp2","ts","ps"};
 429     int  i_ext = 6;
 430     int dummy;
 431     gchar * p_filename = strrchr( filename, '.' ) + sizeof( char );
 432     for( dummy=0; dummy<i_ext;dummy++ )
 433     {
 434         if( strcmp( p_filename,ext[dummy] )==0 )
 435             return 1;
 436     }
 437     return 0;
 438 }
 439
 440 /* recursive function: descend into folders and build a list of valid filenames */
 441 GList *
 442 intf_readFiles( gchar * fsname )
 443 {
 444     struct stat statbuf;
 445     GList  * current = NULL;
 446
 447     /* get the attributes of this file */
 448     stat(fsname, &statbuf);
 449
 450     /* is it a regular file ? */
 451     if( S_ISREG( statbuf.st_mode ) )
 452     {
 453         if( hasValidExtension(fsname) )
 454         {
 455             intf_WarnMsg( 3, "%s is a valid file. Stacking on the playlist", fsname );
 456             return g_list_append( NULL, g_strdup(fsname) );
 457         }
 458         else
 459         {
 460             return NULL;
 461         }
 462     }
 463     /* is it a directory (should we check for symlinks ?) */
 464     else if( S_ISDIR( statbuf.st_mode ) )
 465     {
 466         /* have to cd into this dir */
 467         DIR * currentDir = opendir( fsname );
 468         struct dirent * dirContent;
 469
 470         intf_WarnMsg( 3, "%s is a folder.", fsname );
 471
 472         if( currentDir == NULL )
 473         {
 474             /* something went bad, get out of here ! */
 475             return current;
 476         }
 477         dirContent = readdir( currentDir );
 478
 479         /* while we still have entries in the directory */
 480         while( dirContent != NULL )
 481         {
 482             /* if it is "." or "..", forget it */
 483             if(strcmp(dirContent->d_name,".") != 0
 484                     && strcmp(dirContent->d_name,"..") != 0)
 485             {
 486                 /* else build the new directory by adding
 487                    fsname "/" and the current entry name
 488                    (kludgy :()
 489                   */
 490                 char * newfs = malloc ( 2 +
 491                         strlen( fsname ) +
 492                         strlen( dirContent->d_name ) * sizeof( char ) );
 493                 strcpy( newfs, fsname );
 494                 strcpy( newfs + strlen( fsname )+1, dirContent->d_name);
 495                 newfs[strlen( fsname )] = '/';
 496
 497                 current = g_list_concat( current, intf_readFiles( newfs ) );
 498
 499                 g_free( newfs );
 500             }
 501             dirContent = readdir( currentDir );
 502         }
 503         return current;
 504     }
 505     return NULL;
 506 }
 507
 508 /* add items in a playlist
 509   when i_pos==-1 add to the end of the list...
 510  */
 511 int intf_AppendList( playlist_t * p_playlist, int i_pos, GList * list )
 512 {
 513     guint length, dummy;
 514     length = g_list_length( list );
 515     for( dummy=0; dummy<length; dummy++ )
 516     {
 517         intf_PlaylistAdd( p_playlist,
 518                 /* ok; this is a really nasty trick to insert
 519                    the item where they are suppose to go but, hey
 520                    this works :P (btw, you are really nasty too) */
 521                 i_pos==PLAYLIST_END?PLAYLIST_END:( i_pos + dummy ),
 522                 g_list_nth_data(list, dummy));
 523     }
 524     return 0;
 525 }
 526 gboolean
 527 on_playlist_clist_event (GtkWidget       *widget,
 528                             GdkEvent        *event,
 529                             gpointer         user_data)
 530 {
 531     intf_thread_t * p_intf =  GetIntf( GTK_WIDGET( widget ), "intf_playlist" );
 532
 533     if( ( event->button ).type == GDK_2BUTTON_PRESS )
 534     {
 535         GtkCList *  clist;
 536         gint row, col;
 537
 538         clist = GTK_CLIST(
 539                     lookup_widget(
 540                         p_intf->p_sys->p_playlist,
 541                         "playlist_clist" ) );
 542
 543         if( gtk_clist_get_selection_info( clist,
 544                     (event->button).x,
 545                     (event->button).y,
 546                     &row,
 547                     &col )== 1 )
 548         {
 549
 550             /* clicked is in range. */
 551             if( p_intf->p_input != NULL )
 552             {
 553                 /* FIXME: temporary hack */
 554                 p_intf->p_input->b_eof = 1;
 555             }
 556             intf_PlaylistJumpto( p_main->p_playlist, row-1 );
 557         }
 558         return TRUE;
 559     }
 560     return FALSE;
 561 }
 562
 563 /* statis timeouted function */
 564 void GtkPlayListManage( gpointer p_data )
 565 {
 566     /* this thing really sucks for now :( */
 567
 568     /* TODO speak more with interface/intf_playlist.c */
 569
 570     intf_thread_t *p_intf = (void *)p_data;
 571     playlist_t * p_playlist = p_main->p_playlist ;
 572
 573     vlc_mutex_lock( &p_intf->change_lock );
 574
 575     if( p_intf->p_sys->i_playing != p_playlist->i_index )
 576     {
 577         GdkColor color;
 578
 579         color.red = 0xffff;
 580         color.green = 0;
 581         color.blue = 0;
 582
 583         gtk_clist_set_background ( GTK_CLIST(
 584                     lookup_widget( p_intf->p_sys->p_playlist,
 585                                    "playlist_clist" ) ),
 586                     p_playlist->i_index,
 587                     &color );
 588
 589         if( p_intf->p_sys->i_playing != -1 )
 590         {
 591             color.red = 0xffff;
 592             color.green = 0xffff;
 593             color.blue = 0xffff;
 594             gtk_clist_set_background (
 595             GTK_CLIST(lookup_widget( p_intf->p_sys->p_playlist, "playlist_clist" ) ),
 596             p_intf->p_sys->i_playing,
 597             &color);
 598         }
 599         p_intf->p_sys->i_playing = p_playlist->i_index;
 600     }
 601     vlc_mutex_unlock( &p_intf->change_lock );
 602 }
 603