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         struct page_t *parent_page;
  47 }
  48 *page_status, page_status_t;
  49
  50 static GtkWidget *this_page_get_widget( page );
  51
  52 /** Show the status associated to a unit.
  53 */
  54
  55 static char* status_to_text( mvcp_status status )
  56 {
  57         switch( status->status )
  58         {
  59                 case unit_offline:      return "offline";       break;
  60                 case unit_undefined:    return "undefined";     break;
  61                 case unit_not_loaded:   return "unloaded";      break;
  62                 case unit_stopped:      return "stopped";       break;
  63                 case unit_playing:      return "playing";       break;
  64                 case unit_paused:       return "paused";        break;
  65                 case unit_disconnected: return "disconnect";    break;
  66                 case unit_unknown:      return "unknown";       break;
  67         }
  68         return "unknown";
  69 }
  70
  71 static int show_status( page_status this, mvcp_status status )
  72 {
  73         GtkWidget *widget = this_page_get_widget( ( page )this );
  74         char temp[ 1024 ] = "";
  75         char temp2[ 1024 ];
  76         char label_name[ 256 ];
  77         char tc1[12], tc2[12], tc3[12];
  78
  79         sprintf( temp, "[%s] IN:%s POS:%s OUT:%s %s",
  80                 status_to_text( status ),
  81                 frames2tc(status->in,       status->fps, tc1),
  82                 frames2tc(status->position, status->fps, tc2),
  83                 frames2tc(status->out,      status->fps, tc3),
  84                 status->clip
  85         );
  86
  87         sprintf( label_name, "label_unit_%d", status->unit );
  88
  89         gdk_threads_enter();
  90         widget = lookup_widget( widget, label_name );
  91         gtk_label_set_text( GTK_LABEL( widget ), temp );
  92         if ( status->unit == dv1394app_get_selected_unit( this->app ) )
  93         {
  94                 sprintf( temp2, "U%d - %s", status->unit, temp );
  95                 widget = lookup_widget( dv1394app_get_widget( this->app ), "statusbar" );
  96                 gtk_statusbar_pop( GTK_STATUSBAR( widget ), this->context );
  97                 gtk_statusbar_push( GTK_STATUSBAR( widget ), this->context, temp2 );
  98                 dv1394app_show_status( this->app, status );
  99         }
 100         gdk_flush();
 101         gdk_threads_leave();
 102
 103         return status->unit >= this->count;
 104 }
 105
 106 static void show_units( page_status this, gboolean active )
 107 {
 108         int index = 0;
 109         int index2 = 0;
 110
 111         GtkWidget *widget;
 112         char temp[ 1024 ] = "";
 113         char button_name[ 256 ];
 114
 115         mvcp_units units = NULL;
 116         mvcp_unit_entry_t unit;
 117         int unit_count = 0;
 118
 119         mvcp_nodes nodes = NULL;
 120         mvcp_node_entry_t node;
 121         int node_count = 0;
 122
 123         if ( active )
 124         {
 125                 units = mvcp_units_init( this->status );
 126                 unit_count = mvcp_units_count( units );
 127                 nodes = mvcp_nodes_init( this->status );
 128                 node_count = mvcp_nodes_count( nodes );
 129                 this->count = unit_count;
 130         }
 131
 132         gdk_threads_enter();
 133
 134         for ( index = 0; index < MAX_UNITS; index ++ )
 135         {
 136                 if ( index < unit_count )
 137                 {
 138                         mvcp_units_get( units, index, &unit );
 139
 140                         for ( index2 = 0; index2 < node_count; index2 ++ )
 141                         {
 142                                 mvcp_nodes_get( nodes, index2, &node );
 143                                 if ( !strcmp( node.guid, unit.guid ) )
 144                                         break;
 145                         }
 146
 147                         if ( index2 < node_count )
 148                                 sprintf( temp, "U%d - %s (%s)", unit.unit, node.name, unit.guid );
 149                         else
 150                                 sprintf( temp, "U%d - %s", unit.unit, unit.guid );
 151
 152                         sprintf( button_name, "radiobutton_%d", index );
 153                         widget = lookup_widget( this_page_get_widget( ( page )this ), button_name );
 154                         gtk_widget_show( widget );
 155                         gtk_button_set_label( GTK_BUTTON( widget ), temp );
 156                         sprintf( button_name, "label_unit_%d", index );
 157                         widget = lookup_widget( this_page_get_widget( ( page )this ), button_name );
 158                         gtk_widget_show( widget );
 159                 }
 160                 else
 161                 {
 162                         sprintf( button_name, "radiobutton_%d", index );
 163                         widget = lookup_widget( this_page_get_widget( ( page )this ), button_name );
 164                         gtk_widget_hide( widget );
 165                         sprintf( button_name, "label_unit_%d", index );
 166                         widget = lookup_widget( this_page_get_widget( ( page )this ), button_name );
 167                         gtk_widget_hide( widget );
 168                 }
 169         }
 170         gdk_flush();
 171         gdk_threads_leave();
 172
 173         mvcp_notifier notifier = mvcp_get_notifier( this->status );
 174         mvcp_status_t status;
 175
 176         for ( index = 0; index < MAX_UNITS; index ++ )
 177         {
 178                 status.unit = index;
 179                 if ( !active )
 180                         status.status = unit_disconnected;
 181                 else
 182                         mvcp_notifier_get( notifier, &status, index );
 183                 show_status( this, &status );
 184         }
 185
 186         if ( active )
 187         {
 188                 mvcp_nodes_close( nodes );
 189                 mvcp_units_close( units );
 190         }
 191 }
 192
 193 /** Status monitoring thread.
 194 */
 195
 196 static void *status_thread( void *arg )
 197 {
 198         page_status this = arg;
 199         mvcp_notifier notifier = mvcp_get_notifier( this->status );
 200         mvcp_status_t status;
 201
 202         show_units( this, TRUE );
 203
 204         while ( !this->terminated )
 205         {
 206                 if ( mvcp_notifier_wait( notifier, &status ) != -1 )
 207                 {
 208                         char buf[32];
 209
 210                         if ( status.status == unit_disconnected )
 211                         {
 212                                 this->app->eof = 0;
 213                                 break;
 214                         }
 215                         if ( show_status( this, &status ) )
 216                                 show_units( this, TRUE );
 217                         if ( !this->app->eof && mvcp_unit_get( this->app->command, this->app->selected_unit,
 218                                 "eof", buf, sizeof(buf) ) != -1)
 219                                         this->app->eof = buf[0];
 220                 }
 221         }
 222
 223         show_units( this, FALSE );
 224
 225         if ( !this->terminated )
 226         {
 227                 GtkWidget *widget = lookup_widget( dv1394app_get_widget( this->app ), "button_disconnect" );
 228                 gdk_threads_enter();
 229                 gtk_signal_emit_by_name( GTK_OBJECT( widget ), "clicked" );
 230                 gdk_threads_leave();
 231         }
 232
 233         return NULL;
 234 }
 235
 236 void on_radiobutton_toggled( GtkToggleButton *togglebutton, gpointer user_data )
 237 {
 238         page_status this = user_data;
 239         dv1394app app = this->app;
 240         int index = 0;
 241         GtkWidget *widget = this_page_get_widget( ( page )this );
 242         for ( index = 0; index < MAX_UNITS; index ++ )
 243         {
 244                 char button_name[ 256 ];
 245                 sprintf( button_name, "radiobutton_%d", index );
 246                 if ( lookup_widget( widget, button_name ) == GTK_WIDGET( togglebutton ) )
 247                         break;
 248         }
 249         if ( index < MAX_UNITS )
 250         {
 251                 mvcp_status_t status;
 252                 mvcp_notifier notifier = mvcp_get_notifier( this->status );
 253                 dv1394app_on_unit_change( app, index );
 254                 mvcp_notifier_get( notifier, &status, index );
 255                 gdk_threads_leave( );
 256                 show_status( this, &status );
 257                 gdk_threads_enter( );
 258         }
 259 }
 260
 261 static GtkWidget *this_page_get_widget( page super )
 262 {
 263         page_status this = ( page_status )super;
 264         if ( this->widget == NULL )
 265                 this->widget = this->parent_page->get_widget(this->parent_page);
 266         return this->widget;
 267 }
 268
 269 static void this_page_get_toolbar_info( page super, GtkIconSize size, GtkWidget **icon, char **label )
 270 {
 271         *icon = gtk_image_new_from_stock( "gtk-home",  size );
 272         *label = _("_Units");
 273 }
 274
 275 static void this_page_on_connect( page super )
 276 {
 277         page_status this = ( page_status )super;
 278         if ( this->terminated )
 279         {
 280                 this->terminated = 0;
 281                 this->status = mvcp_init( dv1394app_get_parser( this->app ) );
 282                 pthread_create( &this->status_thread, NULL, status_thread, this );
 283         }
 284 }
 285
 286 static void this_page_on_disconnect( page super )
 287 {
 288         page_status this = ( page_status )super;
 289         if ( !this->terminated )
 290         {
 291                 GtkWidget *widget;
 292                 this->terminated = 1;
 293                 gdk_threads_leave();
 294                 pthread_join( this->status_thread, NULL );
 295                 gdk_threads_enter();
 296                 mvcp_close( this->status );
 297                 widget = lookup_widget( dv1394app_get_widget( this->app ), "statusbar" );
 298                 gtk_statusbar_push( GTK_STATUSBAR( widget ), this->context, "Disconnected." );
 299         }
 300 }
 301
 302 static void this_page_close( page super )
 303 {
 304         page_status this = ( page_status )super;
 305         if ( this != NULL )
 306                 free( this );
 307 }
 308
 309 page page_status_init( dv1394app app, struct page_t *parent_page )
 310 {
 311         page_status this = calloc( 1, sizeof( page_status_t ) );
 312         int index = 0;
 313         GtkWidget *widget;
 314
 315         this->parent_page = parent_page;
 316         this->parent.get_widget = this_page_get_widget;
 317         this->parent.get_toolbar_info = this_page_get_toolbar_info;
 318         this->parent.on_connect = this_page_on_connect;
 319         this->parent.on_disconnect = this_page_on_disconnect;
 320         this->parent.close = this_page_close;
 321         this->app = app;
 322         this->terminated = 1;
 323
 324         for ( index = 0; index < MAX_UNITS; index ++ )
 325         {
 326                 char button_name[ 256 ];
 327                 sprintf( button_name, "radiobutton_%d", index );
 328                 widget = lookup_widget( this_page_get_widget( ( page )this ), button_name );
 329                 gtk_signal_connect( GTK_OBJECT( widget ), "toggled", GTK_SIGNAL_FUNC( on_radiobutton_toggled ), this );
 330         }
 331
 332         widget = lookup_widget( dv1394app_get_widget( this->app ), "statusbar" );
 333         this->context = gtk_statusbar_get_context_id( GTK_STATUSBAR( widget ), "info" );
 334         gtk_statusbar_push( GTK_STATUSBAR( widget ), this->context, "Disconnected." );
 335
 336         return ( page )this;
 337 }