path: root/calendar/gui/gncal-day-panel.c

/* Day view notebook panel for gncal
 *
 * Copyright (C) 1998 The Free Software Foundation
 *
 * Author: Federico Mena <quartic@gimp.org>
 */

#include <gtk/gtkhseparator.h>
#include "gncal-day-panel.h"
#include "main.h"
#include "timeutil.h"


guint
gncal_day_panel_get_type (void)
{
    static guint day_panel_type = 0;

    if (!day_panel_type) {
        GtkTypeInfo day_panel_info = {
            "GncalDayPanel",
            sizeof (GncalDayPanel),
            sizeof (GncalDayPanelClass),
            (GtkClassInitFunc) NULL,
            (GtkObjectInitFunc) NULL,
            (GtkArgSetFunc) NULL,
            (GtkArgGetFunc) NULL
        };

        day_panel_type = gtk_type_unique (gtk_table_get_type (), &day_panel_info);
    }

    return day_panel_type;
}

static void
day_view_range_activated (GncalFullDay *fullday, GncalDayPanel *dpanel)
{
    iCalObject *ical;

    ical = ical_new ("", user_name, "");
    ical->new = 1;

    gncal_full_day_selection_range (fullday, &ical->dtstart, &ical->dtend);

    gnome_calendar_add_object (dpanel->calendar, ical);
    gncal_full_day_focus_child (fullday, ical);
}

static void
full_day_size_allocated (GtkWidget *widget, GtkAllocation *allocation, GncalDayPanel *dpanel)
{
    GtkAdjustment *adj;
    int yoffset;
    gfloat newval;

    adj = gtk_scrolled_window_get_vadjustment (dpanel->fullday_sw);

    yoffset = gncal_full_day_get_day_start_yoffset (GNCAL_FULL_DAY (widget));

    newval = adj->lower + (adj->upper - adj->lower) * (double) yoffset / allocation->height;
    if (newval != adj->value)
        gtk_signal_emit_by_name (GTK_OBJECT (adj), "value_changed");
}

static void
calendar_day_selected (GtkCalendar *calendar, GncalDayPanel *dpanel)
{
    gint y, m, d;
    struct tm tm;

    gtk_calendar_get_date (calendar, &y, &m, &d);

    tm.tm_year = y - 1900;
    tm.tm_mon  = m;
    tm.tm_mday = d;
    tm.tm_hour = 0;
    tm.tm_min  = 0;
    tm.tm_sec  = 0;

    gnome_calendar_goto (dpanel->calendar, mktime (&tm));
}

static void
retag_calendar (GtkCalendar *calendar, GncalDayPanel *dpanel)
{
    gnome_calendar_tag_calendar (dpanel->calendar, GTK_CALENDAR (dpanel->gtk_calendar));
}

GtkWidget *
gncal_day_panel_new (GnomeCalendar *calendar, time_t start_of_day)
{
    GncalDayPanel *dpanel;
    GtkWidget *w;
    struct tm *tm;

    g_return_val_if_fail (calendar != NULL, NULL);

    dpanel = gtk_type_new (gncal_day_panel_get_type ());

    gtk_container_border_width (GTK_CONTAINER (dpanel), 4);
    gtk_table_set_row_spacings (GTK_TABLE (dpanel), 4);
    gtk_table_set_col_spacings (GTK_TABLE (dpanel), 4);

    dpanel->calendar = calendar;

    /* Date label */

    w = gtk_label_new ("");
    dpanel->date_label = GTK_LABEL (w);
    gtk_table_attach (GTK_TABLE (dpanel), w,
              0, 1, 0, 1,
              GTK_FILL | GTK_SHRINK,
              GTK_FILL | GTK_SHRINK,
              0, 0);
    gtk_widget_show (w);

    /* Full day */

    w = gtk_scrolled_window_new (NULL, NULL);
    dpanel->fullday_sw = GTK_SCROLLED_WINDOW (w);
    gtk_scrolled_window_set_policy (dpanel->fullday_sw,
                    GTK_POLICY_AUTOMATIC,
                    GTK_POLICY_AUTOMATIC);
    gtk_table_attach (GTK_TABLE (dpanel), w,
              0, 1, 1, 4,
              GTK_EXPAND | GTK_FILL | GTK_SHRINK,
              GTK_EXPAND | GTK_FILL | GTK_SHRINK,
              0, 0);
    gtk_widget_show (w);

    w = gncal_full_day_new (calendar, time_day_begin (start_of_day), time_day_end (start_of_day));
    dpanel->fullday = GNCAL_FULL_DAY (w);
    gtk_signal_connect (GTK_OBJECT (dpanel->fullday), "range_activated",
                (GtkSignalFunc) day_view_range_activated,
                dpanel);
    gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (dpanel->fullday_sw), w);
    gtk_widget_show (w);

    /* We'll scroll the list to the proper initial position */

    gtk_signal_connect (GTK_OBJECT (dpanel->fullday), "size_allocate",
                (GtkSignalFunc) full_day_size_allocated,
                dpanel);

    /* Gtk calendar */

    tm = localtime (&start_of_day);

    w = gtk_calendar_new ();
    dpanel->gtk_calendar = GTK_CALENDAR (w);
    gtk_calendar_display_options (dpanel->gtk_calendar,
                      (GTK_CALENDAR_SHOW_HEADING
                       | GTK_CALENDAR_SHOW_DAY_NAMES
                       | (week_starts_on_monday
                      ? GTK_CALENDAR_WEEK_START_MONDAY : 0)));
    gtk_calendar_select_month (dpanel->gtk_calendar, tm->tm_mon, tm->tm_year + 1900);
    gtk_calendar_select_day (dpanel->gtk_calendar, tm->tm_mday);
    dpanel->day_selected_id = gtk_signal_connect (GTK_OBJECT (dpanel->gtk_calendar),
                              "day_selected_double_click",
                              (GtkSignalFunc) calendar_day_selected,
                              dpanel);
    gtk_signal_connect (GTK_OBJECT (dpanel->gtk_calendar), "month_changed",
                GTK_SIGNAL_FUNC (retag_calendar), dpanel);
    gtk_table_attach (GTK_TABLE (dpanel), w,
              1, 2, 1, 2,
              GTK_FILL | GTK_SHRINK,
              GTK_FILL | GTK_SHRINK,
              0, 0);
    gtk_widget_show (w);

    /* Separator */

    w = gtk_hseparator_new ();
    gtk_table_attach (GTK_TABLE (dpanel), w,
              1, 2, 2, 3,
              GTK_FILL | GTK_SHRINK,
              GTK_FILL | GTK_SHRINK,
              0, 0);
    gtk_widget_show (w);

    /* To-do */

    w = gncal_todo_new (calendar);
    dpanel->todo = GNCAL_TODO (w);
    gtk_table_attach (GTK_TABLE (dpanel), w,
              1, 2, 3, 4,
              GTK_FILL | GTK_SHRINK,
              GTK_EXPAND | GTK_FILL | GTK_SHRINK,
              0, 0);
    gtk_widget_show (w);

    /* Done */

    gncal_day_panel_set (dpanel, start_of_day);

    return GTK_WIDGET (dpanel);
}

static void
update (GncalDayPanel *dpanel, int update_fullday, iCalObject *ico, int flags)
{
    char buf [80];
    
    if (update_fullday){
        gncal_full_day_update (dpanel->fullday, ico, flags);
        retag_calendar (dpanel->gtk_calendar, dpanel);
    }
    gncal_todo_update (dpanel->todo, ico, flags);
    
    strftime (buf, sizeof (buf), "%a %b %d %Y", localtime (&dpanel->start_of_day));
    gtk_label_set (GTK_LABEL (dpanel->date_label), buf);
}

void
gncal_day_panel_update (GncalDayPanel *dpanel, iCalObject *ico, int flags)
{
    g_return_if_fail (dpanel != NULL);
    g_return_if_fail (GNCAL_IS_DAY_PANEL (dpanel));

    update (dpanel, TRUE, ico, flags);
}

void
gncal_day_panel_set (GncalDayPanel *dpanel, time_t start_of_day)
{
    char buf[80];
    struct tm tm;

    g_return_if_fail (dpanel != NULL);
    g_return_if_fail (GNCAL_IS_DAY_PANEL (dpanel));

    dpanel->start_of_day = time_day_begin (start_of_day);
    if (dpanel->fullday->lower == dpanel->start_of_day)
        return;

    tm = *localtime (&dpanel->start_of_day);
    strftime (buf, sizeof (buf), "%a %b %d %Y", &tm);
    gtk_label_set (GTK_LABEL (dpanel->date_label), buf);

    gncal_full_day_set_bounds (dpanel->fullday, dpanel->start_of_day, time_day_end (dpanel->start_of_day));

    gtk_calendar_select_month (dpanel->gtk_calendar, tm.tm_mon, tm.tm_year + 1900);

    gtk_signal_handler_block (GTK_OBJECT (dpanel->gtk_calendar), dpanel->day_selected_id);
    gtk_calendar_select_day (dpanel->gtk_calendar, tm.tm_mday);
    gtk_signal_handler_unblock (GTK_OBJECT (dpanel->gtk_calendar), dpanel->day_selected_id);

    update (dpanel, FALSE, NULL, 0);
}

void
gncal_day_panel_time_format_changed (GncalDayPanel *dpanel)
{
    g_return_if_fail (dpanel != NULL);
    g_return_if_fail (GNCAL_IS_DAY_PANEL (dpanel));

    gtk_calendar_display_options (dpanel->gtk_calendar,
                      (week_starts_on_monday
                       ? (dpanel->gtk_calendar->display_flags
                      | GTK_CALENDAR_WEEK_START_MONDAY)
                       : (dpanel->gtk_calendar->display_flags
                      & ~GTK_CALENDAR_WEEK_START_MONDAY)));
}