research.m1stereo.tv/gitweb/ - rugen/blob - src/page_status.c

   1 /*
   2  * page_status.c -- Status Page Handling
   3  * Copyright (C) 2002-2003 Charles Yates <charles.yates@pandora.be>
   4  * Copyright (C) 2010 Dan Dennedy <dan@dennedy.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #  include <config.h>
  23 #endif
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <gtk/gtk.h>
  29
  30 #include "interface.h"
  31 #include "support.h"
  32 #include "dv1394app.h"
  33 #include "page.h"
  34
  35 typedef struct
  36 {
  37         struct page_t parent;
  38         dv1394app app;
  39         GtkWidget *widget;
  40         mvcp status;
  41         int terminated;
  42         pthread_t status_thread;
  43         guint context;
  44         int unit;
  45         int count;
  46 }
  47 *page_status, page_status_t;
  48
  49 static GtkWidget *this_page_get_widget( page );
  50
  51 /** Show the status associated to a unit.
  52 */
  53
  54 static int show_status( page_status this, mvcp_status status )
  55 {
  56         GtkWidget *widget = this_page_get_widget( ( page )this );
  57         char temp[ 1024 ] = "";
  58         char temp2[ 1024 ];
  59         char label_name[ 256 ];
  60
  61         sprintf( temp, "%05d %05d %05d %s [", status->in, status->position, status->out, status->clip );
  62
  63         switch( status->status )
  64         {
  65                 case unit_offline:
  66                         strcat( temp, "offline" );
  67                         break;
  68                 case unit_undefined:
  69                         strcat( temp, "undefined" );
  70                         break;
  71                 case unit_not_loaded:
  72                         strcat( temp, "unloaded" );
  73                         break;
  74                 case unit_stopped:
  75                         strcat( temp, "stopped" );
  76                         break;
  77                 case unit_playing:
  78                         strcat( temp, "playing" );
  79                         break;
  80                 case unit_paused:
  81                         strcat( temp, "paused" );
  82                         break;
  83                 case unit_disconnected:
  84                         strcat( temp, "disconnect" );
  85                         break;
  86                 default:
  87                         strcat( temp, "unknown" );
  88                         break;
  89         }
  90
  91         strcat( temp, "]" );
  92
  93         sprintf( label_name, "label_unit_%d", status->unit );
  94
  95         gdk_threads_enter();
  96         widget = lookup_widget( widget, label_name );
  97         gtk_label_set_text( GTK_LABEL( widget ), temp );
  98         if ( status->unit == dv1394app_get_selected_unit( this->app ) )
  99         {
 100                 sprintf( temp2, "U%d - %s", status->unit, temp );
 101                 widget = lookup_widget( dv1394app_get_widget( this->app ), "statusbar" );
 102                 gtk_statusbar_pop( GTK_STATUSBAR( widget ), this->context );
 103                 gtk_statusbar_push( GTK_STATUSBAR( widget ), this->context, temp2 );
 104                 dv1394app_show_status( this->app, status );
 105         }
 106         gdk_flush();
 107         gdk_threads_leave();
 108
 109         return status->unit >= this->count;
 110 }
 111
 112 static void show_units( page_status this, gboolean active )
 113 {
 114         int index = 0;
 115         int index2 = 0;
 116
 117         GtkWidget *widget;
 118         char temp[ 1024 ] = "";
 119         char button_name[ 256 ];
 120
 121         mvcp_units units = NULL;
 122         mvcp_unit_entry_t unit;
 123         int unit_count = 0;
 124
 125         mvcp_nodes nodes = NULL;
 126         mvcp_node_entry_t node;
 127         int node_count = 0;
 128
 129         if ( active )
 130         {
 131                 units = mvcp_units_init( this->status );
 132                 unit_count = mvcp_units_count( units );
 133                 nodes = mvcp_nodes_init( this->status );
 134                 node_count = mvcp_nodes_count( nodes );
 135                 this->count = unit_count;
 136         }
 137
 138         gdk_threads_enter();
 139
 140         for ( index = 0; index < MAX_UNITS; index ++ )
 141         {
 142                 if ( index < unit_count )
 143                 {
 144                         mvcp_units_get( units, index, &unit );
 145
 146                         for ( index2 = 0; index2 < node_count; index2 ++ )
 147                         {
 148                                 mvcp_nodes_get( nodes, index2, &node );
 149                                 if ( !strcmp( node.guid, unit.guid ) )
 150                                         break;
 151                         }
 152
 153                         if ( index2 < node_count )
 154                                 sprintf( temp, "U%d - %s (%s)", unit.unit, node.name, unit.guid );
 155                         else
 156                                 sprintf( temp, "U%d - %s", unit.unit, unit.guid );
 157
 158                         sprintf( button_name, "radiobutton_%d", index );
 159                         widget = lookup_widget( this_page_get_widget( ( page )this ), button_name );
 160                         gtk_widget_show( widget );
 161                         gtk_button_set_label( GTK_BUTTON( widget ), temp );
 162                         sprintf( button_name, "label_unit_%d", index );
 163                         widget = lookup_widget( this_page_get_widget( ( page )this ), button_name );
 164                         gtk_widget_show( widget );
 165                 }
 166                 else
 167                 {
 168                         sprintf( button_name, "radiobutton_%d", index );
 169                         widget = lookup_widget( this_page_get_widget( ( page )this ), button_name );
 170                         gtk_widget_hide( widget );
 171                         sprintf( button_name, "label_unit_%d", index );
 172                         widget = lookup_widget( this_page_get_widget( ( page )this ), button_name );
 173                         gtk_widget_hide( widget );
 174                 }
 175         }
 176         gdk_flush();
 177         gdk_threads_leave();
 178
 179         mvcp_notifier notifier = mvcp_get_notifier( this->status );
 180         mvcp_status_t status;
 181
 182         for ( index = 0; index < MAX_UNITS; index ++ )
 183         {
 184                 status.unit = index;
 185                 if ( !active )
 186                         status.status = unit_disconnected;
 187                 else
 188                         mvcp_notifier_get( notifier, &status, index );
 189                 show_status( this, &status );
 190         }
 191
 192         if ( active )
 193         {
 194                 mvcp_nodes_close( nodes );
 195                 mvcp_units_close( units );
 196         }
 197 }
 198
 199 /** Status monitoring thread.
 200 */
 201
 202 static void *status_thread( void *arg )
 203 {
 204         page_status this = arg;
 205         mvcp_notifier notifier = mvcp_get_notifier( this->status );
 206         mvcp_status_t status;
 207
 208         show_units( this, TRUE );
 209
 210         while ( !this->terminated )
 211         {
 212                 if ( mvcp_notifier_wait( notifier, &status ) != -1 )
 213                 {
 214                         if ( status.status == unit_disconnected )
 215                                 break;
 216                         if ( show_status( this, &status ) )
 217                                 show_units( this, TRUE );
 218                 }
 219         }
 220
 221         show_units( this, FALSE );
 222
 223         if ( !this->terminated )
 224         {
 225                 GtkWidget *widget = lookup_widget( dv1394app_get_widget( this->app ), "button_disconnect" );
 226                 gdk_threads_enter();
 227                 gtk_signal_emit_by_name( GTK_OBJECT( widget ), "clicked" );
 228                 gdk_threads_leave();
 229         }
 230
 231         return NULL;
 232 }
 233
 234 void on_radiobutton_toggled( GtkToggleButton *togglebutton, gpointer user_data )
 235 {
 236         page_status this = user_data;
 237         dv1394app app = this->app;
 238         int index = 0;
 239         GtkWidget *widget = this_page_get_widget( ( page )this );
 240         for ( index = 0; index < MAX_UNITS; index ++ )
 241         {
 242                 char button_name[ 256 ];
 243                 sprintf( button_name, "radiobutton_%d", index );
 244                 if ( lookup_widget( widget, button_name ) == GTK_WIDGET( togglebutton ) )
 245                         break;
 246         }
 247         if ( index < MAX_UNITS )
 248         {
 249                 mvcp_status_t status;
 250                 mvcp_notifier notifier = mvcp_get_notifier( this->status );
 251                 dv1394app_on_unit_change( app, index );
 252                 mvcp_notifier_get( notifier, &status, index );
 253                 gdk_threads_leave( );
 254                 show_status( this, &status );
 255                 gdk_threads_enter( );
 256         }
 257 }
 258
 259 static GtkWidget *this_page_get_widget( page super )
 260 {
 261         page_status this = ( page_status )super;
 262         if ( this->widget == NULL )
 263                 this->widget = create_page_status( );
 264         return this->widget;
 265 }
 266
 267 static void this_page_get_toolbar_info( page super, GtkIconSize size, GtkWidget **icon, char **label )
 268 {
 269         *icon = gtk_image_new_from_stock( "gtk-home",  size );
 270         *label = "_Units";
 271 }
 272
 273 static void this_page_on_connect( page super )
 274 {
 275         page_status this = ( page_status )super;
 276         if ( this->terminated )
 277         {
 278                 this->terminated = 0;
 279                 this->status = mvcp_init( dv1394app_get_parser( this->app ) );
 280                 pthread_create( &this->status_thread, NULL, status_thread, this );
 281         }
 282 }
 283
 284 static void this_page_on_disconnect( page super )
 285 {
 286         page_status this = ( page_status )super;
 287         if ( !this->terminated )
 288         {
 289                 GtkWidget *widget;
 290                 this->terminated = 1;
 291                 gdk_threads_leave();
 292                 pthread_join( this->status_thread, NULL );
 293                 gdk_threads_enter();
 294                 mvcp_close( this->status );
 295                 widget = lookup_widget( dv1394app_get_widget( this->app ), "statusbar" );
 296                 gtk_statusbar_push( GTK_STATUSBAR( widget ), this->context, "Disconnected." );
 297         }
 298 }
 299
 300 static void this_page_close( page super )
 301 {
 302         page_status this = ( page_status )super;
 303         if ( this != NULL )
 304                 free( this );
 305 }
 306
 307 page page_status_init( dv1394app app )
 308 {
 309         page_status this = calloc( 1, sizeof( page_status_t ) );
 310         int index = 0;
 311         GtkWidget *widget;
 312
 313         this->parent.get_widget = this_page_get_widget;
 314         this->parent.get_toolbar_info = this_page_get_toolbar_info;
 315         this->parent.on_connect = this_page_on_connect;
 316         this->parent.on_disconnect = this_page_on_disconnect;
 317         this->parent.close = this_page_close;
 318         this->app = app;
 319         this->terminated = 1;
 320
 321         for ( index = 0; index < MAX_UNITS; index ++ )
 322         {
 323                 char button_name[ 256 ];
 324                 sprintf( button_name, "radiobutton_%d", index );
 325                 widget = lookup_widget( this_page_get_widget( ( page )this ), button_name );
 326                 gtk_signal_connect( GTK_OBJECT( widget ), "toggled", GTK_SIGNAL_FUNC( on_radiobutton_toggled ), this );
 327         }
 328
 329         widget = lookup_widget( dv1394app_get_widget( this->app ), "statusbar" );
 330         this->context = gtk_statusbar_get_context_id( GTK_STATUSBAR( widget ), "info" );
 331         gtk_statusbar_push( GTK_STATUSBAR( widget ), this->context, "Disconnected." );
 332
 333         return ( page )this;
 334 }