maemo-ui-old/src/mmyth_epg_grid_widget.c
branchtrunk
changeset 792 a6ac25bf88a7
parent 754 cb885ee44618
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/maemo-ui-old/src/mmyth_epg_grid_widget.c	Thu Aug 02 14:58:15 2007 +0100
     1.3 @@ -0,0 +1,776 @@
     1.4 +#include <gtk/gtksignal.h>
     1.5 +#include <gdk/gdkevents.h>
     1.6 +#include <gdk/gdkkeysyms.h>
     1.7 +
     1.8 +#include "mmyth_uicommon.h"
     1.9 +#include "mmyth_epg_grid_widget.h"
    1.10 +
    1.11 +#include <gmyth/gmyth_util.h>
    1.12 +#include <gmyth/gmyth_epg.h>
    1.13 +
    1.14 +#define PIXELS_HOUR 105
    1.15 +#define PROGRAM_SEPARATION 2
    1.16 +
    1.17 +enum {
    1.18 +    SELECTION_UPDATED_SIGNAL,
    1.19 +    LAST_SIGNAL
    1.20 +};
    1.21 +
    1.22 +struct _MMythEpgGridWidgetPrivate {
    1.23 +    /*
    1.24 +     * private widget components 
    1.25 +     */
    1.26 +    GtkWidget      *epg_channels_vbox;
    1.27 +    GtkWidget      *epg_programs_vbox;
    1.28 +
    1.29 +    GHashTable     *service_model_hash;
    1.30 +
    1.31 +    /*
    1.32 +     * guidegrid attributes 
    1.33 +     */
    1.34 +    gboolean        show_favorites;
    1.35 +    gint            current_start_channel_id;
    1.36 +
    1.37 +    GTimeVal       *current_start_time;
    1.38 +    GTimeVal       *current_end_time;
    1.39 +
    1.40 +    guint           selected_channel_index;
    1.41 +
    1.42 +    /*
    1.43 +     * GList of ProgramInfo for each Channel 
    1.44 +     */
    1.45 +    GList          *program_list[MAX_DISPLAY_CHANS];
    1.46 +    GList          *channel_list;
    1.47 +
    1.48 +    GMythEPG       *mmyth_epg;
    1.49 +
    1.50 +    GMythBackendInfo *backend_info;
    1.51 +
    1.52 +    gint            DISPLAY_CHANS;
    1.53 +};
    1.54 +
    1.55 +static void     mmyth_epg_grid_widget_class_init(MMythEpgGridWidgetClass *
    1.56 +                                                 klass);
    1.57 +static void     mmyth_epg_grid_widget_init(MMythEpgGridWidget * object);
    1.58 +static void    
    1.59 +mmyth_epg_grid_widget_private_init(MMythEpgGridWidgetPrivate * private);
    1.60 +static void     mmyth_epg_grid_widget_mount_services(MMythEpgGridWidget *
    1.61 +                                                     object,
    1.62 +                                                     GTimeVal * start_time,
    1.63 +                                                     GTimeVal * end_time);
    1.64 +static void     mmyth_epg_grid_widget_mount_header(MMythEpgGridWidget *
    1.65 +                                                   object);
    1.66 +static void     mmyth_epg_grid_widget_clicked(GtkWidget * widget,
    1.67 +                                              GdkEventExpose * event,
    1.68 +                                              gpointer data);
    1.69 +static GtkWidget *create_event_box_lbl(gchar * str, int width,
    1.70 +                                       const GdkColor * bg_color,
    1.71 +                                       const GdkColor * fg_color);
    1.72 +
    1.73 +static void    
    1.74 +mmyth_epg_grid_widget_fill_programinfos(MMythEpgGridWidgetPrivate *
    1.75 +                                        private);
    1.76 +static void    
    1.77 +mmyth_epg_grid_widget_fill_program_row_infos(MMythEpgGridWidgetPrivate *
    1.78 +                                             private, unsigned int chanNum,
    1.79 +                                             unsigned int row);
    1.80 +
    1.81 +static gint     mmyth_epg_grid_widget_signals[LAST_SIGNAL] = { 0 };
    1.82 +
    1.83 +G_DEFINE_TYPE(MMythEpgGridWidget, mmyth_epg_grid_widget,
    1.84 +              GTK_TYPE_EVENT_BOX)
    1.85 +
    1.86 +    static void
    1.87 +     
    1.88 +        
    1.89 +        
    1.90 +        
    1.91 +        
    1.92 +        
    1.93 +        
    1.94 +        
    1.95 +        
    1.96 +        
    1.97 +        
    1.98 +        
    1.99 +        
   1.100 +          mmyth_epg_grid_widget_class_init(MMythEpgGridWidgetClass * klass)
   1.101 +{
   1.102 +    g_type_class_add_private(klass, sizeof(MMythEpgGridWidgetPrivate));
   1.103 +
   1.104 +    mmyth_epg_grid_widget_signals[SELECTION_UPDATED_SIGNAL] =
   1.105 +        g_signal_new("selection_updated", G_TYPE_FROM_CLASS(klass),
   1.106 +                     G_SIGNAL_RUN_FIRST, 0, NULL, NULL,
   1.107 +                     g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1,
   1.108 +                     G_TYPE_POINTER);
   1.109 +}
   1.110 +
   1.111 +static void
   1.112 +mmyth_epg_grid_widget_private_init(MMythEpgGridWidgetPrivate * private)
   1.113 +{
   1.114 +    time_t          cur_time;
   1.115 +
   1.116 +    g_return_if_fail(private != NULL);
   1.117 +
   1.118 +    private->epg_channels_vbox = NULL;
   1.119 +    private->epg_programs_vbox = NULL;
   1.120 +    private->service_model_hash = NULL;
   1.121 +
   1.122 +    private->show_favorites = FALSE;
   1.123 +    private->current_start_channel_id = -1;
   1.124 +
   1.125 +    /*
   1.126 +     * Selected the first diplayable channel initially 
   1.127 +     */
   1.128 +    private->selected_channel_index = 0;
   1.129 +
   1.130 +    /*
   1.131 +     * TODO fix the current start/end time 
   1.132 +     */
   1.133 +    private->current_start_time = g_new0(GTimeVal, 1);
   1.134 +    private->current_start_time->tv_sec = time(&cur_time);
   1.135 +
   1.136 +    private->current_end_time = g_new0(GTimeVal, 1);
   1.137 +    private->current_end_time->tv_sec = time(&cur_time) + 10800;
   1.138 +
   1.139 +    private->DISPLAY_CHANS = MAX_DISPLAY_CHANS;
   1.140 +
   1.141 +    private->backend_info =
   1.142 +        gmyth_backend_info_new_full("localhost", "mythtv", "mythtv",
   1.143 +                                    "mythconverg", 6543);
   1.144 +
   1.145 +    // TODO: Close the epg and unref it in dispose call
   1.146 +    private->mmyth_epg = gmyth_epg_new();
   1.147 +    if (!gmyth_epg_connect(private->mmyth_epg, private->backend_info)) {
   1.148 +        g_warning("[%s] Could not connect mysql handler to db",
   1.149 +                  __FUNCTION__);
   1.150 +        g_object_unref(private->mmyth_epg);
   1.151 +        private->mmyth_epg = NULL;
   1.152 +    }
   1.153 +}
   1.154 +
   1.155 +static void
   1.156 +mmyth_epg_grid_widget_init(MMythEpgGridWidget * mmyth_epg_grid_widget)
   1.157 +{
   1.158 +    MMythEpgGridWidgetPrivate *private =
   1.159 +        MMYTH_EPG_GRID_WIDGET_GET_PRIVATE(mmyth_epg_grid_widget);
   1.160 +
   1.161 +    /*
   1.162 +     * init private fields 
   1.163 +     */
   1.164 +    mmyth_epg_grid_widget_private_init(private);
   1.165 +
   1.166 +    mmyth_epg_grid_widget->epg_view_model = NULL;
   1.167 +    mmyth_epg_grid_widget->selected_grid_item = NULL;
   1.168 +
   1.169 +    GtkWidget      *epg_event_box = GTK_WIDGET(mmyth_epg_grid_widget);
   1.170 +    gtk_widget_modify_bg(epg_event_box, GTK_STATE_NORMAL, &main_bg_color);
   1.171 +    gtk_widget_set_size_request(epg_event_box, 0, 125);
   1.172 +
   1.173 +    GtkWidget      *epg_main_hbox = gtk_hbox_new(FALSE, 10);
   1.174 +    gtk_container_set_border_width(GTK_CONTAINER(epg_main_hbox), 10);
   1.175 +
   1.176 +    gtk_container_add(GTK_CONTAINER(epg_event_box), epg_main_hbox);
   1.177 +
   1.178 +    /*
   1.179 +     * channels vbox 
   1.180 +     */
   1.181 +    GtkWidget      *epg_channels_vbox = gtk_vbox_new(FALSE, 3);
   1.182 +    private->epg_channels_vbox = epg_channels_vbox;
   1.183 +
   1.184 +    /*
   1.185 +     * programs vbox 
   1.186 +     */
   1.187 +    GtkWidget      *epg_programs_vbox = gtk_vbox_new(FALSE, 3);
   1.188 +    private->epg_programs_vbox = epg_programs_vbox;
   1.189 +
   1.190 +    /*
   1.191 +     * packing start 
   1.192 +     */
   1.193 +    gtk_box_pack_start(GTK_BOX(epg_main_hbox),
   1.194 +                       epg_channels_vbox, FALSE, FALSE, 0);
   1.195 +    gtk_box_pack_start(GTK_BOX(epg_main_hbox),
   1.196 +                       epg_programs_vbox, FALSE, FALSE, 0);
   1.197 +
   1.198 +    /*
   1.199 +     * table header (first line) 
   1.200 +     */
   1.201 +    mmyth_epg_grid_widget_mount_header(mmyth_epg_grid_widget);
   1.202 +
   1.203 +    /*
   1.204 +     * service programs 
   1.205 +     */
   1.206 +    /*
   1.207 +     * mount service programs with current time 
   1.208 +     */
   1.209 +    mmyth_epg_grid_widget_mount_services(mmyth_epg_grid_widget,
   1.210 +                                         private->current_start_time,
   1.211 +                                         private->current_end_time);
   1.212 +}
   1.213 +
   1.214 +GtkWidget      *
   1.215 +mmyth_epg_grid_widget_new()
   1.216 +{
   1.217 +    return GTK_WIDGET(gtk_type_new(mmyth_epg_grid_widget_get_type()));
   1.218 +}
   1.219 +
   1.220 +static void
   1.221 +mmyth_epg_grid_widget_mount_services(MMythEpgGridWidget *
   1.222 +                                     mmyth_epg_grid_widget,
   1.223 +                                     GTimeVal * start_time,
   1.224 +                                     GTimeVal * end_time)
   1.225 +{
   1.226 +    GList          *proglist;
   1.227 +    GList          *channel_list = NULL;
   1.228 +    GMythChannelInfo *channel_info;
   1.229 +
   1.230 +    int             chanid;
   1.231 +    MMythEpgGridWidgetPrivate *private =
   1.232 +        MMYTH_EPG_GRID_WIDGET_GET_PRIVATE(mmyth_epg_grid_widget);
   1.233 +
   1.234 +    // update view_model
   1.235 +    /*
   1.236 +     * FIXME shallow free or recursive? 
   1.237 +     */
   1.238 +    if (mmyth_epg_grid_widget->epg_view_model != NULL) {
   1.239 +        g_list_free(mmyth_epg_grid_widget->epg_view_model);
   1.240 +        mmyth_epg_grid_widget->epg_view_model = NULL;
   1.241 +    }
   1.242 +
   1.243 +    if (private->service_model_hash != NULL) {
   1.244 +        g_hash_table_destroy(private->service_model_hash);
   1.245 +    }
   1.246 +
   1.247 +    private->service_model_hash = g_hash_table_new(NULL, NULL);
   1.248 +
   1.249 +    /*
   1.250 +     * fill program infos from db 
   1.251 +     */
   1.252 +    mmyth_epg_grid_widget_fill_programinfos(private);
   1.253 +
   1.254 +    channel_list = private->channel_list;
   1.255 +
   1.256 +    /*
   1.257 +     * for each channel get_programs() 
   1.258 +     */
   1.259 +    for (chanid = 0; channel_list &&
   1.260 +         chanid < private->DISPLAY_CHANS; chanid++) {
   1.261 +        proglist = (GList *) private->program_list[chanid];
   1.262 +
   1.263 +        channel_info = (GMythChannelInfo *) channel_list->data;
   1.264 +        channel_list = g_list_next(channel_list);
   1.265 +
   1.266 +        /*
   1.267 +         * Service Title
   1.268 +         */
   1.269 +        GString        *name = NULL;
   1.270 +        if (channel_info->channel_name)
   1.271 +            name = g_string_new(channel_info->channel_name->str);
   1.272 +
   1.273 +        GdkColor        title_bg_color;
   1.274 +        title_bg_color.red = 5000;
   1.275 +        title_bg_color.green = 9000;
   1.276 +        title_bg_color.blue = 40000;
   1.277 +
   1.278 +        GdkColor        title_fg_color;
   1.279 +        title_fg_color.red = 60000;
   1.280 +        title_fg_color.green = 60000;
   1.281 +        title_fg_color.blue = 60000;
   1.282 +
   1.283 +        GtkWidget      *event_box_channel =
   1.284 +            create_event_box_lbl(name->str, 90,
   1.285 +                                 &title_bg_color,
   1.286 +                                 &title_fg_color);
   1.287 +
   1.288 +        gtk_box_pack_start(GTK_BOX(private->epg_channels_vbox),
   1.289 +                           event_box_channel, FALSE, FALSE, 0);
   1.290 +
   1.291 +        GtkWidget      *epg_line_hbox = gtk_hbox_new(FALSE, 0);
   1.292 +
   1.293 +        GdkColor        bg_color;
   1.294 +        bg_color.red = 5000;
   1.295 +        bg_color.green = 30000;
   1.296 +        bg_color.blue = 60000;
   1.297 +
   1.298 +        GdkColor        fg_color;
   1.299 +        fg_color.red = 60000;
   1.300 +        fg_color.green = 60000;
   1.301 +        fg_color.blue = 60000;
   1.302 +
   1.303 +        /*
   1.304 +         * Content parsing 
   1.305 +         */
   1.306 +        GList          *epg_grid_list = NULL;
   1.307 +
   1.308 +        GMythProgramInfo *proginfo;
   1.309 +        int             pixel_count = 0;
   1.310 +        for (; proglist; proglist = proglist->next) {
   1.311 +            proginfo = (GMythProgramInfo *) proglist->data;
   1.312 +
   1.313 +            GString        *content_name = proginfo->title;
   1.314 +
   1.315 +            GTimeVal       *initial_time = g_new0(GTimeVal, 1);
   1.316 +            GTimeVal       *last_time = g_new0(GTimeVal, 1);
   1.317 +            GTimeVal       *duration = g_new0(GTimeVal, 1);
   1.318 +
   1.319 +            GTimeVal       *schedule_start_time = proginfo->startts;
   1.320 +            GTimeVal       *schedule_end_time = proginfo->endts;
   1.321 +
   1.322 +            initial_time->tv_sec =
   1.323 +                (schedule_start_time->tv_sec <
   1.324 +                 start_time->tv_sec) ? start_time->
   1.325 +                tv_sec : schedule_start_time->tv_sec;
   1.326 +            last_time->tv_sec =
   1.327 +                (schedule_end_time->tv_sec >
   1.328 +                 end_time->tv_sec) ? end_time->tv_sec : schedule_end_time->
   1.329 +                tv_sec;
   1.330 +            duration->tv_sec = last_time->tv_sec - initial_time->tv_sec;
   1.331 +
   1.332 +            // Verify program time 
   1.333 +#if 0
   1.334 +            g_debug("ServiceID: %d, ScheduleID: %d\n", service->id,
   1.335 +                    schedule->id);
   1.336 +            fprintf(stderr, "program time\nfrom = %d, to = %d\n",
   1.337 +                    schedule->validFrom, schedule->validTo);
   1.338 +
   1.339 +            struct tm       loctime;
   1.340 +
   1.341 +            /*
   1.342 +             * Convert it to local time representation. 
   1.343 +             */
   1.344 +            if (localtime_r((time_t *) & schedule->validFrom, &loctime) ==
   1.345 +                NULL) {
   1.346 +                g_warning("localtime_r error in mmyth_epg_grid_widget!\n");
   1.347 +                return NULL;
   1.348 +            }
   1.349 +            fprintf(stderr, asctime(&loctime));
   1.350 +
   1.351 +            if (localtime_r((time_t *) & schedule->validTo, &loctime) ==
   1.352 +                NULL) {
   1.353 +                g_warning("localtime_r error in mmyth_epg_grid_widget!\n");
   1.354 +                return NULL;
   1.355 +            }
   1.356 +            fprintf(stderr, asctime(&loctime));
   1.357 +#endif
   1.358 +
   1.359 +            /*
   1.360 +             * fprintf(stderr, "duration = %d\n", duration); 
   1.361 +             */
   1.362 +            double          duration_hour =
   1.363 +                duration->tv_sec / (double) 3600.0;
   1.364 +            /*
   1.365 +             * fprintf(stderr, "duration_hour = %lf\n", duration_hour); 
   1.366 +             */
   1.367 +
   1.368 +            int             size = PIXELS_HOUR * duration_hour;
   1.369 +
   1.370 +            /*
   1.371 +             * complete hour 
   1.372 +             */
   1.373 +            /*
   1.374 +             * FIXME: UGLY WRONG HACK TO ALIGN PROGRAM TIME!!!
   1.375 +             */
   1.376 +            if (last_time->tv_sec % 3600 != 0) {
   1.377 +                size -= PROGRAM_SEPARATION;
   1.378 +            }
   1.379 +            if (initial_time->tv_sec % 3600 != 0) {
   1.380 +                size -= PROGRAM_SEPARATION;
   1.381 +            }
   1.382 +
   1.383 +            pixel_count += size + PROGRAM_SEPARATION;
   1.384 +            GtkWidget      *event_box =
   1.385 +                create_event_box_lbl(content_name->str,
   1.386 +                                     size, &bg_color,
   1.387 +                                     &fg_color);
   1.388 +            gtk_widget_add_events(event_box,
   1.389 +                                  GDK_BUTTON_PRESS_MASK |
   1.390 +                                  GDK_BUTTON_RELEASE_MASK);
   1.391 +
   1.392 +            /*
   1.393 +             * create EpgGridItem 
   1.394 +             */
   1.395 +            EpgGridItem    *epg_grid_item = g_new0(EpgGridItem, 1);
   1.396 +            epg_grid_item->proginfo = proginfo;
   1.397 +            epg_grid_item->event_box = event_box;
   1.398 +            epg_grid_item->object = mmyth_epg_grid_widget;
   1.399 +
   1.400 +            epg_grid_list =
   1.401 +                g_list_prepend(epg_grid_list, (gpointer) epg_grid_item);
   1.402 +
   1.403 +            gtk_box_pack_start(GTK_BOX(epg_line_hbox),
   1.404 +                               event_box, FALSE, FALSE,
   1.405 +                               PROGRAM_SEPARATION);
   1.406 +
   1.407 +            g_signal_connect(G_OBJECT(event_box), "button-press-event",
   1.408 +                             G_CALLBACK(mmyth_epg_grid_widget_clicked),
   1.409 +                             (gpointer *) epg_grid_list);
   1.410 +        }
   1.411 +#if 0
   1.412 +        printf("chaind = %d!!!!" chanid);
   1.413 +        fflush(stdout);
   1.414 +#endif
   1.415 +
   1.416 +        if (!epg_grid_list) {
   1.417 +            /*
   1.418 +             * No programs for current channel 
   1.419 +             */
   1.420 +            /*
   1.421 +             * FIXME: size HARDCODED 
   1.422 +             */
   1.423 +            GtkWidget      *event_box =
   1.424 +                create_event_box_lbl("No program list available",
   1.425 +                                     PIXELS_HOUR * 3, &bg_color,
   1.426 +                                     &fg_color);
   1.427 +            gtk_widget_add_events(event_box,
   1.428 +                                  GDK_BUTTON_PRESS_MASK |
   1.429 +                                  GDK_BUTTON_RELEASE_MASK);
   1.430 +
   1.431 +            /*
   1.432 +             * create EpgGridItem 
   1.433 +             */
   1.434 +            EpgGridItem    *epg_grid_item = g_new0(EpgGridItem, 1);
   1.435 +            epg_grid_item->proginfo = NULL;
   1.436 +            epg_grid_item->event_box = event_box;
   1.437 +            epg_grid_item->object = mmyth_epg_grid_widget;
   1.438 +
   1.439 +            epg_grid_list =
   1.440 +                g_list_prepend(epg_grid_list, (gpointer) epg_grid_item);
   1.441 +
   1.442 +            gtk_box_pack_start(GTK_BOX(epg_line_hbox),
   1.443 +                               event_box, FALSE, FALSE,
   1.444 +                               PROGRAM_SEPARATION);
   1.445 +
   1.446 +            g_signal_connect(G_OBJECT(event_box), "button-press-event",
   1.447 +                             G_CALLBACK(mmyth_epg_grid_widget_clicked),
   1.448 +                             (gpointer *) epg_grid_list);
   1.449 +        }
   1.450 +
   1.451 +        epg_grid_list = g_list_reverse(epg_grid_list);
   1.452 +        mmyth_epg_grid_widget->epg_view_model =
   1.453 +            g_list_append(mmyth_epg_grid_widget->epg_view_model,
   1.454 +                          epg_grid_list);
   1.455 +
   1.456 +        gtk_box_pack_start(GTK_BOX(private->epg_programs_vbox),
   1.457 +                           epg_line_hbox, FALSE, FALSE, 0);
   1.458 +    }
   1.459 +}
   1.460 +
   1.461 +static void
   1.462 +mmyth_epg_grid_widget_mount_header(MMythEpgGridWidget *
   1.463 +                                   mmyth_epg_grid_widget)
   1.464 +{
   1.465 +    MMythEpgGridWidgetPrivate *private =
   1.466 +        MMYTH_EPG_GRID_WIDGET_GET_PRIVATE(mmyth_epg_grid_widget);
   1.467 +
   1.468 +    struct tm       hour_tm;
   1.469 +    const gchar     name_title[] = "Today";
   1.470 +    GtkWidget      *lbl_title = gtk_label_new(name_title);
   1.471 +
   1.472 +    gtk_misc_set_alignment(GTK_MISC(lbl_title), 0.0, 0.5);
   1.473 +
   1.474 +    gtk_box_pack_start(GTK_BOX(private->epg_channels_vbox),
   1.475 +                       lbl_title, FALSE, FALSE, 0);
   1.476 +
   1.477 +    /*
   1.478 +     * hours title line 
   1.479 +     */
   1.480 +    GtkWidget      *epg_programs_hours_hbox = gtk_hbox_new(TRUE, 0);
   1.481 +
   1.482 +    if (localtime_r
   1.483 +        ((time_t *) & private->current_start_time->tv_sec,
   1.484 +         &hour_tm) == NULL) {
   1.485 +        g_warning("localtime_r error in mmyth_epg_grid_widget!\n");
   1.486 +        return;
   1.487 +    }
   1.488 +
   1.489 +    if (hour_tm.tm_min > 30) {
   1.490 +        hour_tm.tm_min = 30;
   1.491 +    } else if (hour_tm.tm_min > 0) {
   1.492 +        hour_tm.tm_min = 0;
   1.493 +    }
   1.494 +
   1.495 +    gchar           hour1_str[10];
   1.496 +    strftime(hour1_str, 8, "%H:%M", &hour_tm);
   1.497 +    GtkWidget      *lbl_hour1 = gtk_label_new(hour1_str);
   1.498 +    gtk_misc_set_alignment(GTK_MISC(lbl_hour1), 0.0, 0.5);
   1.499 +
   1.500 +    hour_tm.tm_hour++;
   1.501 +    gchar           hour2_str[10];
   1.502 +    strftime(hour2_str, 8, "%H:%M", &hour_tm);
   1.503 +    GtkWidget      *lbl_hour2 = gtk_label_new(hour2_str);
   1.504 +    gtk_misc_set_alignment(GTK_MISC(lbl_hour2), 0.0, 0.5);
   1.505 +
   1.506 +    hour_tm.tm_hour++;
   1.507 +    gchar           hour3_str[10];
   1.508 +    strftime(hour3_str, 8, "%H:%M", &hour_tm);
   1.509 +    GtkWidget      *lbl_hour3 = gtk_label_new(hour3_str);
   1.510 +    gtk_misc_set_alignment(GTK_MISC(lbl_hour3), 0.0, 0.5);
   1.511 +
   1.512 +    gtk_box_pack_start(GTK_BOX(epg_programs_hours_hbox),
   1.513 +                       lbl_hour1, TRUE, TRUE, 0);
   1.514 +    gtk_box_pack_start(GTK_BOX(epg_programs_hours_hbox),
   1.515 +                       lbl_hour2, TRUE, TRUE, 0);
   1.516 +    gtk_box_pack_start(GTK_BOX(epg_programs_hours_hbox),
   1.517 +                       lbl_hour3, TRUE, TRUE, 0);
   1.518 +
   1.519 +    gtk_box_pack_start(GTK_BOX(private->epg_programs_vbox),
   1.520 +                       epg_programs_hours_hbox, FALSE, FALSE, 0);
   1.521 +}
   1.522 +
   1.523 +/******************************************************************************
   1.524 + *              INTERNAL CALLBACKS FOR STATE CHANGE                           *
   1.525 + *****************************************************************************/
   1.526 +static void
   1.527 +mmyth_epg_grid_widget_deselect_service(MMythEpgGridWidget *
   1.528 +                                       mmyth_epg_grid_widget)
   1.529 +{
   1.530 +    EpgGridItem    *epg_grid_item;
   1.531 +
   1.532 +    /*
   1.533 +     * deselect
   1.534 +     */
   1.535 +    if (mmyth_epg_grid_widget->selected_grid_item != NULL) {
   1.536 +        epg_grid_item =
   1.537 +            (EpgGridItem *) mmyth_epg_grid_widget->selected_grid_item->
   1.538 +            data;
   1.539 +        gtk_widget_set_state(GTK_WIDGET(epg_grid_item->event_box),
   1.540 +                             GTK_STATE_NORMAL);
   1.541 +    }
   1.542 +}
   1.543 +
   1.544 +static void
   1.545 +mmyth_epg_grid_widget_clicked(GtkWidget * widget,
   1.546 +                              GdkEventExpose * event, gpointer data)
   1.547 +{
   1.548 +    g_return_if_fail(data != NULL);
   1.549 +
   1.550 +    GList          *epg_grid_item_list = (GList *) data;
   1.551 +    EpgGridItem    *epg_grid_item =
   1.552 +        (EpgGridItem *) epg_grid_item_list->data;
   1.553 +
   1.554 +    /*
   1.555 +     * update the selected service 
   1.556 +     */
   1.557 +    mmyth_epg_grid_widget_update_service(epg_grid_item->object,
   1.558 +                                         (GList *) data);
   1.559 +}
   1.560 +
   1.561 +void
   1.562 +mmyth_epg_grid_widget_update_service(MMythEpgGridWidget * object,
   1.563 +                                     GList * selected_grid_list)
   1.564 +{
   1.565 +    g_return_if_fail(object != NULL);
   1.566 +    g_return_if_fail(selected_grid_list != NULL);
   1.567 +
   1.568 +    EpgGridItem    *epg_grid_item =
   1.569 +        (EpgGridItem *) selected_grid_list->data;
   1.570 +
   1.571 +    mmyth_epg_grid_widget_deselect_service(epg_grid_item->object);
   1.572 +
   1.573 +    /*
   1.574 +     * updating current selected schedule_item and schedule_list
   1.575 +     */
   1.576 +    object->selected_grid_item = selected_grid_list;
   1.577 +
   1.578 +    /*
   1.579 +     * set state of the event box 
   1.580 +     */
   1.581 +    gtk_widget_set_state(GTK_WIDGET(epg_grid_item->event_box),
   1.582 +                         GTK_STATE_SELECTED);
   1.583 +    /*
   1.584 +     * emit update signal for listeners 
   1.585 +     */
   1.586 +    g_signal_emit(object,
   1.587 +                  mmyth_epg_grid_widget_signals[SELECTION_UPDATED_SIGNAL],
   1.588 +                  0, (gpointer) epg_grid_item);
   1.589 +}
   1.590 +
   1.591 +static GtkWidget *
   1.592 +create_event_box_lbl(gchar * str, int width, const GdkColor * bg_color,
   1.593 +                     const GdkColor * fg_color)
   1.594 +{
   1.595 +    GtkWidget      *event_box = gtk_event_box_new();
   1.596 +    GtkWidget      *lbl = gtk_label_new(str);
   1.597 +    gtk_label_set_ellipsize(GTK_LABEL(lbl), PANGO_ELLIPSIZE_END);
   1.598 +
   1.599 +    gtk_widget_modify_bg(event_box, GTK_STATE_NORMAL, bg_color);
   1.600 +    gtk_widget_modify_fg(lbl, GTK_STATE_NORMAL, fg_color);
   1.601 +
   1.602 +    /*
   1.603 +     * selected colors are const
   1.604 +     */
   1.605 +    GdkColor        selected_bg_color;
   1.606 +    selected_bg_color.red = 100;
   1.607 +    selected_bg_color.green = 40000;
   1.608 +    selected_bg_color.blue = 100;
   1.609 +
   1.610 +    GdkColor        selected_fg_color;
   1.611 +    selected_fg_color.red = 100;
   1.612 +    selected_fg_color.green = 100;
   1.613 +    selected_fg_color.blue = 100;
   1.614 +
   1.615 +    gtk_widget_modify_bg(event_box, GTK_STATE_SELECTED,
   1.616 +                         &selected_bg_color);
   1.617 +    gtk_widget_modify_fg(lbl, GTK_STATE_SELECTED, &selected_fg_color);
   1.618 +
   1.619 +    gtk_misc_set_alignment(GTK_MISC(lbl), 0.0, 0.5);
   1.620 +    gtk_container_add(GTK_CONTAINER(event_box), lbl);
   1.621 +    gtk_widget_set_size_request(event_box, width, -1);
   1.622 +
   1.623 +    return event_box;
   1.624 +}
   1.625 +
   1.626 +/******************************************************************************
   1.627 + *                            METHODS                                         *
   1.628 + *****************************************************************************/
   1.629 +
   1.630 +/*
   1.631 + * Callback for hardware keys 
   1.632 + */
   1.633 +gboolean
   1.634 +mmyth_epg_grid_widget_key_press(MMythEpgGridWidget * object,
   1.635 +                                GtkWidget * widget, GdkEventKey * event)
   1.636 +{
   1.637 +    MMythEpgGridWidgetPrivate *private =
   1.638 +        MMYTH_EPG_GRID_WIDGET_GET_PRIVATE(object);
   1.639 +
   1.640 +    EpgGridItem    *epg_grid_item;
   1.641 +    GList          *tmp;
   1.642 +
   1.643 +    /*
   1.644 +     * List of selected_grid_item 
   1.645 +     */
   1.646 +    GList          *selected_view_model;
   1.647 +
   1.648 +    gint            channel_index;
   1.649 +
   1.650 +    if (object->selected_grid_item == NULL) {
   1.651 +        g_warning("No program selected");
   1.652 +        return FALSE;
   1.653 +    }
   1.654 +
   1.655 +    epg_grid_item = (EpgGridItem *) object->selected_grid_item->data;
   1.656 +
   1.657 +    channel_index = private->selected_channel_index;
   1.658 +
   1.659 +    switch (event->keyval) {
   1.660 +    case GDK_Up:
   1.661 +        selected_view_model =
   1.662 +            g_list_nth(object->epg_view_model, channel_index - 1);
   1.663 +        if (selected_view_model != NULL) {
   1.664 +            private->selected_channel_index = channel_index - 1;
   1.665 +            tmp = (GList *) selected_view_model->data;
   1.666 +            /*
   1.667 +             * TODO: select a better centralized item currently is
   1.668 +             * picking the 1st or last item 
   1.669 +             */
   1.670 +            if (g_list_next(object->selected_grid_item) == NULL &&
   1.671 +                g_list_previous(object->selected_grid_item) != NULL) {
   1.672 +                /*
   1.673 +                 * in this case the new selected will be the last 
   1.674 +                 */
   1.675 +                tmp = g_list_last(tmp);
   1.676 +            }
   1.677 +
   1.678 +            /*
   1.679 +             * update the selected service 
   1.680 +             */
   1.681 +            mmyth_epg_grid_widget_update_service(object, tmp);
   1.682 +        }
   1.683 +        return TRUE;
   1.684 +    case GDK_Down:
   1.685 +        selected_view_model =
   1.686 +            g_list_nth(object->epg_view_model, channel_index + 1);
   1.687 +        if (selected_view_model != NULL) {
   1.688 +            private->selected_channel_index = channel_index + 1;
   1.689 +            tmp = (GList *) selected_view_model->data;
   1.690 +            /*
   1.691 +             * TODO: select a better centralized item currently is
   1.692 +             * picking the 1st or last item 
   1.693 +             */
   1.694 +            if (g_list_next(object->selected_grid_item) == NULL &&
   1.695 +                g_list_previous(object->selected_grid_item) != NULL) {
   1.696 +                /*
   1.697 +                 * in this case the new selected will be the last 
   1.698 +                 */
   1.699 +                tmp = g_list_last(tmp);
   1.700 +            }
   1.701 +
   1.702 +            /*
   1.703 +             * update the selected service 
   1.704 +             */
   1.705 +            mmyth_epg_grid_widget_update_service(object, tmp);
   1.706 +        }
   1.707 +        return TRUE;
   1.708 +    case GDK_Left:
   1.709 +        tmp = g_list_previous(object->selected_grid_item);
   1.710 +        if (tmp != NULL) {
   1.711 +            /*
   1.712 +             * update the selected service 
   1.713 +             */
   1.714 +            mmyth_epg_grid_widget_update_service(object, tmp);
   1.715 +        }
   1.716 +        return TRUE;
   1.717 +    case GDK_Right:
   1.718 +        tmp = g_list_next(object->selected_grid_item);
   1.719 +        if (tmp != NULL) {
   1.720 +            /*
   1.721 +             * update the selected service 
   1.722 +             */
   1.723 +            mmyth_epg_grid_widget_update_service(object, tmp);
   1.724 +        }
   1.725 +        return TRUE;
   1.726 +    default:
   1.727 +        return TRUE;
   1.728 +    }
   1.729 +
   1.730 +    return FALSE;
   1.731 +}
   1.732 +
   1.733 +static void
   1.734 +mmyth_epg_grid_widget_fill_programinfos(MMythEpgGridWidgetPrivate *
   1.735 +                                        private)
   1.736 +{
   1.737 +    GList          *channels_list = NULL;
   1.738 +    int             y;
   1.739 +
   1.740 +    if ((private->mmyth_epg != NULL) &&
   1.741 +        (gmyth_epg_get_channel_list(private->mmyth_epg, &channels_list) <
   1.742 +         0)) {
   1.743 +        private->channel_list = NULL;
   1.744 +        return;
   1.745 +    }
   1.746 +
   1.747 +    private->channel_list = channels_list;
   1.748 +
   1.749 +    for (y = 0; y < private->DISPLAY_CHANS && channels_list; y++) {
   1.750 +        GMythChannelInfo *channel_info =
   1.751 +            (GMythChannelInfo *) channels_list->data;
   1.752 +
   1.753 +        mmyth_epg_grid_widget_fill_program_row_infos(private,
   1.754 +                                                     channel_info->
   1.755 +                                                     channel_ID, y);
   1.756 +
   1.757 +        channels_list = g_list_next(channels_list);
   1.758 +    }
   1.759 +}
   1.760 +
   1.761 +static void
   1.762 +mmyth_epg_grid_widget_fill_program_row_infos(MMythEpgGridWidgetPrivate *
   1.763 +                                             private, guint chanNum,
   1.764 +                                             guint row)
   1.765 +{
   1.766 +    gint            res = gmyth_epg_get_program_list(private->mmyth_epg,
   1.767 +                                                     &(private->
   1.768 +                                                       program_list[row]),
   1.769 +                                                     chanNum,
   1.770 +                                                     private->
   1.771 +                                                     current_start_time,
   1.772 +                                                     private->
   1.773 +                                                     current_end_time);
   1.774 +
   1.775 +    if (res < 0) {
   1.776 +        g_warning("[%s] Error while retrieving epg programs",
   1.777 +                  __FUNCTION__);
   1.778 +    }
   1.779 +}