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path: root/calendar/gui/gncal-todo.c
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/* To-do widget for gncal
 *
 * Copyright (C) 1998 The Free Software Foundation
 *
 * Author: Federico Mena <quartic@gimp.org>
 */

#include <config.h>
#include <string.h>
#include <gnome.h>
#include "gncal-todo.h"
#include "main.h"
#include "popup-menu.h"
#include "eventedit.h"

int todo_show_due_date = 0;
int todo_show_priority = 0;
int todo_show_time_remaining = 0;

int todo_item_dstatus_highlight_overdue = 0;
int todo_item_dstatus_highlight_due_today = 0;
int todo_item_dstatus_highlight_not_due_yet = 0;


char *todo_overdue_font_text;
gint todo_current_sort_column = 0;
gint todo_current_sort_type = GTK_SORT_ASCENDING;

gboolean todo_style_changed =0;
gboolean todo_list_autoresize = 1;
gboolean todo_list_redraw_in_progess = 0;
static void gncal_todo_init (GncalTodo *todo);


guint
gncal_todo_get_type (void)
{
    static guint todo_type = 0;

    if (!todo_type) {
        GtkTypeInfo todo_info = {
            "GncalTodo",
            sizeof (GncalTodo),
            sizeof (GncalTodoClass),
            (GtkClassInitFunc) NULL,
            (GtkObjectInitFunc) gncal_todo_init,
            (GtkArgSetFunc) NULL,
            (GtkArgGetFunc) NULL
        };

        todo_type = gtk_type_unique (gtk_vbox_get_type (), &todo_info);
    }

    return todo_type;
}

static void
ok_button (GtkWidget *widget, GnomeDialog *dialog)
{
    iCalObject *ico;
    GncalTodo *todo;
    GtkEntry *entry;
    GnomeDateEdit *due_date;
    GtkText *comment;
    GtkSpinButton *priority;

    ico = gtk_object_get_user_data (GTK_OBJECT (dialog));

    todo = GNCAL_TODO (gtk_object_get_data (GTK_OBJECT (dialog), "gncal_todo"));
    entry = GTK_ENTRY (gtk_object_get_data (GTK_OBJECT (dialog), "summary_entry"));
    due_date = GNOME_DATE_EDIT (gtk_object_get_data(GTK_OBJECT(dialog), "due_date"));
    priority = GTK_SPIN_BUTTON (gtk_object_get_data(GTK_OBJECT(dialog), "priority"));
    comment = GTK_TEXT(gtk_object_get_data (GTK_OBJECT(dialog), "comment"));
    if (ico->summary)
      g_free (ico->summary);
    if (ico->comment)
      g_free (ico->comment);
    ico->dtend = gnome_date_edit_get_date (due_date);
    ico->summary = g_strdup (gtk_entry_get_text (entry));
    ico->priority = gtk_spin_button_get_value_as_int (priority);
    ico->comment = gtk_editable_get_chars( GTK_EDITABLE(comment), 0, -1);
    ico->user_data = NULL;

    if (ico->new) {
        gnome_calendar_add_object (todo->calendar, ico);
        ico->new = FALSE;
    } else 
        gnome_calendar_object_changed (todo->calendar, ico, CHANGE_ALL); /* ok, summary only... */

    save_default_calendar (todo->calendar);
    gtk_widget_destroy (GTK_WIDGET (dialog));
}

static void
cancel_button (GtkWidget *widget, GnomeDialog *dialog)
{
    iCalObject *ico;

    ico = gtk_object_get_user_data (GTK_OBJECT (dialog));

    ico->user_data = NULL;

    if (ico->new)
        ical_object_destroy (ico);

    gtk_widget_destroy (GTK_WIDGET (dialog));


}

static gint
delete_event (GtkWidget *widget, GdkEvent *event, GnomeDialog *dialog)
{
    cancel_button (NULL, dialog);
    return TRUE;
}

static void
simple_todo_editor (GncalTodo *todo, iCalObject *ico)
{
    GtkWidget *dialog;
    GtkWidget *hbox;
    GtkWidget *due_box;
    GtkWidget *due_label;
    GtkWidget *due_entry;
    GtkWidget *comment_box;
    GtkWidget *comment_label;
    GtkWidget *comment_text;
    GtkWidget *comment_internal_box;
    GtkWidget *comment_sep;
    GtkWidget *w;
    GtkWidget *pri_box;
    GtkWidget *pri_label;
    GtkWidget *pri_spin;
    GtkObject *pri_adj;

    GtkWidget *entry;

    dialog = gnome_dialog_new (ico->new ? _("Create to-do item") : _("Edit to-do item"),
                   GNOME_STOCK_BUTTON_OK,
                   GNOME_STOCK_BUTTON_CANCEL,
                   NULL);
    gnome_dialog_set_parent (GNOME_DIALOG (dialog), GTK_WINDOW (todo->calendar));
    hbox = gtk_hbox_new (FALSE, 4);
    gtk_container_border_width (GTK_CONTAINER (hbox), 4);
    gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (dialog)->vbox), hbox, FALSE, FALSE, 0);
    gtk_widget_show (hbox);


    due_box = gtk_hbox_new (FALSE, 4);
    gtk_container_border_width (GTK_CONTAINER (due_box), 4);
    gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (dialog)->vbox), due_box, FALSE, FALSE, 0);
    gtk_widget_show (due_box);

    pri_box = gtk_hbox_new (FALSE, 4);
    gtk_container_border_width (GTK_CONTAINER (pri_box), 4);
    gtk_box_pack_start(GTK_BOX (GNOME_DIALOG (dialog)->vbox), pri_box, FALSE, FALSE, 0);
    gtk_widget_show (pri_box);
    
    comment_box = gtk_hbox_new (FALSE, 4);
    gtk_container_border_width (GTK_CONTAINER (comment_box), 4);
    gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (dialog)->vbox), comment_box, FALSE, FALSE, 0);
    gtk_widget_show (comment_box);

    comment_internal_box = gtk_vbox_new(FALSE,2);
    gtk_container_border_width (GTK_CONTAINER (comment_internal_box), 4);

    gtk_box_pack_start (GTK_BOX (comment_box), comment_internal_box, TRUE, TRUE, 0);
    gtk_widget_show (comment_internal_box);

    w = gtk_label_new (_("Summary:"));
    gtk_box_pack_start (GTK_BOX (hbox), w, FALSE, FALSE, 0);
    gtk_widget_show (w);

    entry = gtk_entry_new ();
    gtk_entry_set_text (GTK_ENTRY (entry), ico->summary);
    gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
    gtk_widget_show (entry);


    due_label = gtk_label_new (_("Due Date:"));
    gtk_box_pack_start (GTK_BOX (due_box), due_label, FALSE, FALSE, 0);
    gtk_widget_show (due_label);

    due_entry = gtk_entry_new ();
    due_entry = date_edit_new (ico->dtend, TRUE);
    gtk_box_pack_start (GTK_BOX (due_box), due_entry, TRUE, TRUE, 0);
    gtk_widget_show (due_entry);

    pri_label = gtk_label_new (_("Priority:"));
    gtk_box_pack_start (GTK_BOX (pri_box), pri_label, FALSE, FALSE, 0);
    gtk_widget_show (pri_label);

    pri_adj = gtk_adjustment_new (5.0, 1.0, 9.0, 1.0, 3.0, 0.0);
    pri_spin = gtk_spin_button_new (GTK_ADJUSTMENT(pri_adj), 0.0, 0);
    gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (pri_spin), TRUE);
    gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (pri_spin), FALSE);
    gtk_spin_button_set_snap_to_ticks (GTK_SPIN_BUTTON (pri_spin), FALSE);
    gtk_box_pack_start (GTK_BOX (pri_box), pri_spin, FALSE, FALSE, 0);
    gtk_widget_show (pri_spin);
       
    comment_sep = gtk_hseparator_new ();
    gtk_box_pack_start (GTK_BOX (comment_box), comment_sep, FALSE, FALSE, 0);
    gtk_widget_show(comment_sep);

    comment_label = gtk_label_new (_("Item Comments:"));
    gtk_label_set_justify(GTK_LABEL(comment_label), GTK_JUSTIFY_LEFT);
    gtk_box_pack_start (GTK_BOX (comment_internal_box), comment_label, TRUE, TRUE, 0);
    gtk_widget_show (comment_label);




    comment_text = gtk_text_new (NULL, NULL);
    gtk_text_set_editable (GTK_TEXT (comment_text), TRUE);
    gtk_text_set_word_wrap( GTK_TEXT(comment_text), TRUE);
    gtk_text_freeze(GTK_TEXT(comment_text));
    if(ico->comment) {
      gtk_text_insert(GTK_TEXT(comment_text), NULL, NULL, NULL, ico->comment, strlen(ico->comment));
    }
    gtk_text_thaw(GTK_TEXT(comment_text));
    gtk_box_pack_start (GTK_BOX (comment_internal_box), comment_text, FALSE, TRUE, 0);
    gtk_widget_show (comment_text);

    ico->user_data = dialog;

    gtk_object_set_user_data (GTK_OBJECT (dialog), ico);

    gtk_object_set_data (GTK_OBJECT (dialog), "gncal_todo", todo);
    gtk_object_set_data (GTK_OBJECT (dialog), "summary_entry", entry);
    gtk_object_set_data (GTK_OBJECT (dialog), "due_date", due_entry);
    gtk_object_set_data (GTK_OBJECT (dialog), "priority", pri_spin);
    gtk_object_set_data (GTK_OBJECT (dialog), "comment", comment_text);
    
    gnome_dialog_button_connect (GNOME_DIALOG (dialog), 0, (GtkSignalFunc) ok_button, dialog);
    gnome_dialog_button_connect (GNOME_DIALOG (dialog), 1, (GtkSignalFunc) cancel_button, dialog);

    gtk_signal_connect (GTK_OBJECT (dialog), "delete_event",
                (GtkSignalFunc) delete_event,
                dialog);

    gnome_dialog_set_default (GNOME_DIALOG (dialog), 0);
    gnome_dialog_editable_enters (GNOME_DIALOG (dialog), GTK_EDITABLE(entry));

    gtk_window_position (GTK_WINDOW (dialog), GTK_WIN_POS_MOUSE);
    gtk_widget_show (dialog);
    gtk_widget_grab_focus (entry);
}

static iCalObject *
get_clist_selected_ico (GtkCList *clist)
{
    gint sel;

    if (!clist->selection)
        return NULL;

    sel = GPOINTER_TO_INT(clist->selection->data);

    return gtk_clist_get_row_data (clist, sel);
}

static void
add_todo (GncalTodo *todo)
{
    iCalObject *ico;

    ico = ical_new ("", user_name, "");
    ico->type = ICAL_TODO;
    ico->new = TRUE;

    simple_todo_editor (todo, ico);
}

static void
edit_todo (GncalTodo *todo)
{
    simple_todo_editor (todo, get_clist_selected_ico (todo->clist));
}

static void
delete_todo (GncalTodo *todo)
{
    gnome_calendar_remove_object (todo->calendar, get_clist_selected_ico (todo->clist));
    save_default_calendar (todo->calendar);
    
}

static void
add_activated (GtkWidget *widget, GncalTodo *todo)
{
    GtkWidget *w;

    while ((w = gtk_grab_get_current ()) != NULL)
        gtk_grab_remove (w);
    
    add_todo (todo);
}

static void
edit_activated (GtkWidget *widget, GncalTodo *todo)
{
    GtkWidget *w;

    while ((w = gtk_grab_get_current ()) != NULL)
        gtk_grab_remove (w);
    
    edit_todo (todo);
}

static void
delete_activated (GtkWidget *widget, GncalTodo *todo)
{
    delete_todo (todo);
}


static void
clist_row_selected (GtkCList *clist, gint row, gint column, GdkEventButton *event, GncalTodo *todo)
{
    static struct menu_item items[] = {
        { N_("Add to-do item..."), (GtkSignalFunc) add_activated, NULL, TRUE },
        { N_("Edit this item..."), (GtkSignalFunc) edit_activated, NULL, TRUE },
        { N_("Delete this item"), (GtkSignalFunc) delete_activated, NULL, TRUE }
    };

    int i;

    gtk_widget_set_sensitive (todo->edit_button, (todo->clist->selection != NULL));
    gtk_widget_set_sensitive (todo->delete_button, (todo->clist->selection != NULL));

    if (!event)
        return;

    switch (event->button) {
    case 1:
        if (event->type == GDK_2BUTTON_PRESS)
            edit_todo (todo);
        break;

    case 3:
        for (i = 0; i < (sizeof (items) / sizeof (items[0])); i++)
            items[i].data = todo;

        popup_menu (items, sizeof (items) / sizeof (items[0]), event);
        break;

    default:
        break;
    }
}

/*
 * once we get a call back stating that a column
 * has been resized never ever automatically resize again
 */
static void
column_resized (GtkWidget *widget, GncalTodo *todo)
{
    /* disabling autoresize of columns */
    if (todo_list_autoresize && !todo_list_redraw_in_progess){
        todo_list_autoresize = 0;
    }
}

/*
 * restore the previously set settings for sorting the 
 * todo list
 */
static void
init_column_sorting (GtkCList *clist)
{

    /* due date isn't shown so we can't sort by it */
    if (todo_current_sort_column == 1 && ! todo_show_due_date) 
        todo_current_sort_column = 0;
    
    clist->sort_type = todo_current_sort_type;
    clist->sort_column = todo_current_sort_column;
    
    gtk_clist_set_sort_column (clist, todo_current_sort_column);
    gtk_clist_sort (clist);
}

static void 
todo_click_column (GtkCList *clist, gint column, gpointer data)
{
    if (column == clist->sort_column)
    {
        if (clist->sort_type == GTK_SORT_ASCENDING) {
            clist->sort_type = GTK_SORT_DESCENDING;
            todo_current_sort_type = GTK_SORT_DESCENDING;
        } else {
            clist->sort_type = GTK_SORT_ASCENDING;
            todo_current_sort_type = GTK_SORT_ASCENDING;
        }
    }
    else {
        gtk_clist_set_sort_column (clist, column);
        todo_current_sort_column = column;
    }
    
    gtk_clist_sort (clist); 
  
    /*
     * save the sorting preferences cause I hate to have the user
     * click twice
     */

    gnome_config_set_int("/calendar/Todo/sort_column", todo_current_sort_column);
    gnome_config_set_int("/calendar/Todo/sort_type", todo_current_sort_type);
    gnome_config_sync();
}

static void
gncal_todo_init (GncalTodo *todo)
{
    GtkWidget *w;
    GtkWidget *sw;
    GtkWidget *hbox;
    gchar *titles[4] = {
        N_("Summary"),
        N_("Due Date"),
        N_("Priority"),
        N_("Time Left")
    };
    char *tmp[4];
    tmp[0] = _(titles[0]);
    tmp[1] = _(titles[1]);
    tmp[2] = _(titles[2]);
    tmp[3] = _(titles[3]);

    gtk_box_set_spacing (GTK_BOX (todo), 4);

    /* Label */

    w = gtk_label_new (_("To-do list"));
    gtk_misc_set_alignment (GTK_MISC (w), 0.0, 0.5);
    gtk_box_pack_start (GTK_BOX (todo), w, FALSE, FALSE, 0);
    gtk_widget_show (w);

    /* Clist */

    sw = gtk_scrolled_window_new (NULL, NULL);
    gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
    gtk_box_pack_start (GTK_BOX (todo), sw, TRUE, TRUE, 0);
    gtk_widget_show (sw);


    w = gtk_clist_new_with_titles(4, tmp);

    todo->clist = GTK_CLIST (w);
    gtk_clist_set_selection_mode (todo->clist, GTK_SELECTION_BROWSE);

    gtk_signal_connect (GTK_OBJECT (todo->clist), "select_row",
                (GtkSignalFunc) clist_row_selected,
                todo);
    gtk_clist_set_button_actions (todo->clist, 2, GTK_BUTTON_SELECTS);
    gtk_signal_connect (GTK_OBJECT (todo->clist), "resize_column",
                (GtkSignalFunc) column_resized,
                todo);
    gtk_signal_connect (GTK_OBJECT (todo->clist), "click_column",
              (GtkSignalFunc) todo_click_column, NULL);

    gtk_container_add (GTK_CONTAINER (sw), w);
    gtk_widget_show (w);

    /* Box for buttons */

    hbox = gtk_hbox_new (TRUE, 4);
    gtk_box_pack_start (GTK_BOX (todo), hbox, FALSE, FALSE, 0);
    gtk_widget_show (hbox);

    /* Add */

    w = gtk_button_new_with_label (_("Add..."));
    gtk_signal_connect (GTK_OBJECT (w), "clicked",
                (GtkSignalFunc) add_activated,
                todo);
    gtk_box_pack_start (GTK_BOX (hbox), w, TRUE, TRUE, 0);
    gtk_widget_show (w);

    /* Edit */

    w = gtk_button_new_with_label (_("Edit..."));
    todo->edit_button = w;
    gtk_widget_set_sensitive (w, FALSE);
    gtk_signal_connect (GTK_OBJECT (w), "clicked",
                (GtkSignalFunc) edit_activated,
                todo);
    gtk_box_pack_start (GTK_BOX (hbox), w, TRUE, TRUE, 0);
    gtk_widget_show (w);

    /* Delete */

    w = gtk_button_new_with_label (_("Delete"));
    todo->delete_button = w;
    gtk_widget_set_sensitive (w, FALSE);
    gtk_signal_connect (GTK_OBJECT (w), "clicked",
                (GtkSignalFunc) delete_activated,
                todo);
    gtk_box_pack_start (GTK_BOX (hbox), w, TRUE, TRUE, 0);
    gtk_widget_show (w);
}

GtkWidget *
gncal_todo_new (GnomeCalendar *calendar)
{
    GncalTodo *todo;

    g_return_val_if_fail (calendar != NULL, NULL);

    todo = gtk_type_new (gncal_todo_get_type ());

    todo->calendar = calendar;

    gncal_todo_update (todo, NULL, 0);

    return GTK_WIDGET (todo);
}

static char *
convert_time_t_to_char (time_t t)
{
    char buf[100];
    struct tm tm;

    tm = *localtime (&t);
    strftime(buf, sizeof (buf), "%m/%d/%Y", &tm);

    return g_strdup (buf);
}

enum todo_styles {
    TODO_STYLE_OVERDUE,
    TODO_STYLE_DUE_TODAY,
    TODO_STYLE_NOT_DUE
};


enum todo_status {
    TODO_ITEM_DSTATUS_NOT_DUE_YET,
    TODO_ITEM_DSTATUS_DUE_TODAY,
    TODO_ITEM_DSTATUS_OVERDUE,
    TODO_ITEM_DSTATUS_LAST_DUE_STATUS
};
typedef enum todo_status todo_status;

static GtkStyle *
make_todo_style(GncalTodo *todo, todo_status style_type) 
{
    GtkStyle *style = NULL;
    GdkColor style_color;
    int color_prop = 0;
    switch(style_type) {
    case TODO_ITEM_DSTATUS_NOT_DUE_YET:
      color_prop = COLOR_PROP_TODO_NOT_DUE_YET;
      break;
    case TODO_ITEM_DSTATUS_DUE_TODAY:
      color_prop = COLOR_PROP_TODO_DUE_TODAY;
      break;
    case TODO_ITEM_DSTATUS_OVERDUE:
      color_prop = COLOR_PROP_TODO_OVERDUE;
      break;
    case TODO_ITEM_DSTATUS_LAST_DUE_STATUS:
    }
    
    style_color.red   = color_props[color_prop].r;
    style_color.green = color_props[color_prop].g;
    style_color.blue  = color_props[color_prop].b;
    
    style = gtk_style_copy (GTK_WIDGET (todo->clist)->style);
    style->base[GTK_STATE_NORMAL] = style_color;
    return style;
}




static
todo_status todo_item_due_status(time_t *todo_due_time) {
    struct tm due_tm_time;
    struct tm current_time;
    struct tm *temp_tm;
    time_t current_time_val = time(NULL);
    temp_tm = localtime(todo_due_time);
    /* make a copy so it dosen't get over written */
    memcpy(&due_tm_time, temp_tm, sizeof(struct tm));
    
    
    temp_tm = localtime(&current_time_val);
    memcpy(&current_time, temp_tm, sizeof(struct tm));
    
    if(due_tm_time.tm_mon == current_time.tm_mon &&
       due_tm_time.tm_mday == current_time.tm_mday &&
       due_tm_time.tm_year == current_time.tm_year) {
        return TODO_ITEM_DSTATUS_DUE_TODAY;
    }
    
    if((*todo_due_time) < current_time_val) {
        return TODO_ITEM_DSTATUS_OVERDUE;
    }
    
    return TODO_ITEM_DSTATUS_NOT_DUE_YET;
}


enum todo_remaining_time_form {
    TODO_ITEM_REMAINING_WEEKS,
    TODO_ITEM_REMAINING_DAYS,
    TODO_ITEM_REMAINING_HOURS,
    TODO_ITEM_REMAINING_MINUTES,
    TODO_ITEM_REMAINING_SECONDS
};
typedef enum todo_remaining_time_form todo_remaining_time_form;

static void
insert_in_clist (GncalTodo *todo, iCalObject *ico)
{
    int i;
    char *text[4];
    char time_remaining_buffer[100];
    time_t time_remain;
    todo_remaining_time_form time_remaining_form;
    int sec_in_week = 3600*7*24;
    int sec_in_day = 3600*24;
    int sec_in_hour = 3600;
    int sec_in_minute = 60;
    int weeks = 0;
    int days = 0;
    int hours = 0;
    int minutes = 0;
    int seconds = 0; 
    
    
    /* an array for the styles of items */
    static GtkStyle *dstatus_styles[TODO_ITEM_DSTATUS_LAST_DUE_STATUS];
    /* we want to remake the styles when the status is changed,
       also we need to check for the null value in the pointer so we init them
       at startup */
    if (todo_style_changed || !dstatus_styles[TODO_ITEM_DSTATUS_NOT_DUE_YET]) {
        g_free(dstatus_styles[TODO_ITEM_DSTATUS_NOT_DUE_YET]);
        g_free(dstatus_styles[TODO_ITEM_DSTATUS_OVERDUE]);
        g_free(dstatus_styles[TODO_ITEM_DSTATUS_DUE_TODAY]);
        
        dstatus_styles[TODO_ITEM_DSTATUS_NOT_DUE_YET] = make_todo_style(todo, TODO_ITEM_DSTATUS_NOT_DUE_YET);
        dstatus_styles[TODO_ITEM_DSTATUS_OVERDUE] = make_todo_style(todo, TODO_ITEM_DSTATUS_OVERDUE);
        dstatus_styles[TODO_ITEM_DSTATUS_DUE_TODAY] = make_todo_style(todo, TODO_ITEM_DSTATUS_DUE_TODAY);
        
        todo_style_changed = 0;
    }

      
       


    text[0] =  ico->summary;

    if(todo_show_time_remaining) {
      memset(time_remaining_buffer, 0, 100);
      /* we need to make a string that represents the amount of time remaining
         before this task is due */
      
      /* for right now all I'll do is up to the hours. */
      time_remain = (ico->dtend - time(NULL));
      if(time_remain < 0) {
        text[3] = "Overdue!";
      }
      else {

        /* lets determine a decent denomination to display */
        if(time_remain / (sec_in_week)) 
          {
            /* we have weeks available */
            time_remaining_form = TODO_ITEM_REMAINING_WEEKS;
        weeks = time_remain / sec_in_week;
        days = (time_remain % (sec_in_week))/sec_in_day;
          }
        else if(time_remain / (sec_in_day)) 
          {
        /* we have days available */
            time_remaining_form = TODO_ITEM_REMAINING_DAYS;
        days = time_remain / sec_in_day;
        hours = (time_remain % sec_in_day)/sec_in_hour;
          }
        else if(time_remain / (sec_in_hour)) 
          {
        /* we have hours available */
            time_remaining_form = TODO_ITEM_REMAINING_HOURS;
        hours = time_remain /sec_in_hour;
        minutes = (time_remain % sec_in_hour) / sec_in_minute;
          }
        else if(time_remain / sec_in_minute) 
          {
            time_remaining_form = TODO_ITEM_REMAINING_MINUTES;
        minutes = time_remain / sec_in_minute;
        seconds = time_remain % sec_in_minute;
          }
        else 
          {
            time_remaining_form = TODO_ITEM_REMAINING_SECONDS;
        seconds = time_remain;
          }

        switch(time_remaining_form) 
          {
          case TODO_ITEM_REMAINING_WEEKS:
        snprintf(time_remaining_buffer, 100, "%d %s %d %s", weeks,
             (weeks > 1) ? _("Weeks") : _("Week"),
             days, (days > 1) ? _("Days") : _("Day"));
        break;
          case TODO_ITEM_REMAINING_DAYS:
        snprintf(time_remaining_buffer, 100, "%d %s %d %s", days,
             (days > 1) ? _("Days") : _("Day"),
             hours, (hours > 1) ? _("Hours") : _("Hour"));
        break;
          case TODO_ITEM_REMAINING_HOURS:
        snprintf(time_remaining_buffer, 100, "%d %s %d %s", hours,
             (hours > 1) ? _("Hours") : _("Hour"),
             minutes, (minutes > 1) ? _("Minutes") : _("Minute"));
        break;
          case TODO_ITEM_REMAINING_MINUTES:
        snprintf(time_remaining_buffer, 100, "%d %s %d %s", minutes,
             (minutes > 1) ? _("Minutes") : _("Minute"),
             seconds, (seconds > 1) ? _("Seconds") : _("Second"));
        break;
          case TODO_ITEM_REMAINING_SECONDS:
        snprintf(time_remaining_buffer, 100, "%d %s", seconds,
             (seconds > 1) ? _("Seconds") : _("Second")); 
        break;
          }
        text[3] = g_strdup(time_remaining_buffer);
        todo->data_ptrs = g_slist_append(todo->data_ptrs, text[3]);
      }

    }
    else {
      text[3] = "Loose penguini!";
    }
    /*
     * right now column 0 will be the summary
     * and column 1 will be the due date. 
     * WISH:  this should be able to be changed on the fly
     */

    if(ico->dtend && todo_show_due_date)
      {
        text[1] = convert_time_t_to_char (ico->dtend);
        /* Append the data's pointer so later it can be properly freed */
        todo->data_ptrs = g_slist_append (todo->data_ptrs, text[1]);
      }
    else
        text[1] = NULL;
    
    if(ico->priority && todo_show_priority)
      {
        text[2] = g_strdup_printf ("%d", ico->priority);
        todo->data_ptrs = g_slist_append (todo->data_ptrs, text[2]);
      }
    else
      text[2] = NULL;

    i = gtk_clist_append (todo->clist, text);
    
    gtk_clist_set_row_data (todo->clist, i, ico);

    /*
     * determine if the task is overdue..
     * if so mark with the apropriate style
     */

    switch(todo_item_due_status(&ico->dtend)) {
    case TODO_ITEM_DSTATUS_NOT_DUE_YET:
      if(todo_item_dstatus_highlight_not_due_yet) 
        {
          gtk_clist_set_row_style(todo->clist, i, dstatus_styles[TODO_ITEM_DSTATUS_NOT_DUE_YET]);
        }
      break;
    case TODO_ITEM_DSTATUS_DUE_TODAY:
      if(todo_item_dstatus_highlight_due_today)
        {
          gtk_clist_set_row_style(todo->clist, i, dstatus_styles[TODO_ITEM_DSTATUS_DUE_TODAY]);
        }
      break;
    case TODO_ITEM_DSTATUS_OVERDUE:
      if(todo_item_dstatus_highlight_overdue) 
        {
          gtk_clist_set_row_style(todo->clist, i, dstatus_styles[TODO_ITEM_DSTATUS_OVERDUE]);
        }
      break;
    case TODO_ITEM_DSTATUS_LAST_DUE_STATUS:
    }
    
    /* keep the list in order */
    gtk_clist_sort (todo->clist); 
}

void
gncal_todo_update (GncalTodo *todo, iCalObject *ico, int flags)
{
    GList *list;    
    GSList *current_list;

    g_return_if_fail (todo != NULL);
    g_return_if_fail (GNCAL_IS_TODO (todo));
    
    /*
     * shut down the resize handler cause we are playing with the list. 
     * In otherwords turn off the event handler
     */
    todo_list_redraw_in_progess =1;
    
    /* freeze the list */
    gtk_clist_freeze (todo->clist);
    init_column_sorting (todo->clist);

    /*
     * before here we have to free some of the memory that
     * stores the due date, or else we have a memory leak. 
     * luckily all of the pointers are stored in todo->data_ptrs;
     */

    /* check on the columns that we should display */
    /* check for due date */

    if(todo_show_due_date) {
      gtk_clist_set_column_visibility (todo->clist, 1, 1);
    }
    else {
      gtk_clist_set_column_visibility (todo->clist, 1, 0);
    }

    if(todo_show_time_remaining) {
      gtk_clist_set_column_visibility (todo->clist, 3, 1);
    }
    else {
      gtk_clist_set_column_visibility (todo->clist, 3, 0);
    }
                       

    if(todo_show_priority)
      gtk_clist_set_column_visibility (todo->clist, 2, 1);
    else
      gtk_clist_set_column_visibility (todo->clist, 2, 0);
    
    /* free the memory locations that were used in the previous display */
    for (current_list = todo->data_ptrs; current_list != NULL; current_list = g_slist_next(current_list)){
        g_free(current_list->data);
    }

    /* free the list and clear out the pointer */
    g_slist_free(todo->data_ptrs);
    todo->data_ptrs = NULL;

    gtk_clist_clear (todo->clist);

    for (list = todo->calendar->cal->todo; list; list = list->next)
        insert_in_clist (todo, list->data);

    /* if we are autoresizing then do it now */
    if(todo_list_autoresize && todo->clist->rows != 0) 
        gtk_clist_columns_autosize (todo->clist);

    gtk_clist_thaw (todo->clist);
    
    gtk_widget_set_sensitive (todo->edit_button, (todo->clist->selection != NULL));
    gtk_widget_set_sensitive (todo->delete_button, (todo->clist->selection != NULL));
    todo_list_redraw_in_progess = 0;
}