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path: root/calendar/gui/e-day-view-main-item.c
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/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Damon Chaplin <damon@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

/*
 * EDayViewMainItem - canvas item which displays most of the appointment
 * data in the main Day/Work Week display.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <e-calendar-view.h>

#include "e-util/e-categories-config.h"
#include "e-util/e-util.h"
#include "e-day-view-layout.h"
#include "e-day-view-main-item.h"
#include "ea-calendar.h"
#include "e-calendar-view.h"
#include "comp-util.h"

#define E_DAY_VIEW_MAIN_ITEM_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_DAY_VIEW_MAIN_ITEM, EDayViewMainItemPrivate))

struct _EDayViewMainItemPrivate {
    EDayView *day_view;
};

enum {
    PROP_0,
    PROP_DAY_VIEW
};

G_DEFINE_TYPE (
    EDayViewMainItem,
    e_day_view_main_item,
    GNOME_TYPE_CANVAS_ITEM)

static gboolean
can_draw_in_region (cairo_region_t *draw_region,
                    gint x,
                    gint y,
                    gint width,
                    gint height)
{
    GdkRectangle rect;

    g_return_val_if_fail (draw_region != NULL, FALSE);

    rect.x = x;
    rect.y = y;
    rect.width = width;
    rect.height = height;

    return cairo_region_contains_rectangle (draw_region, &rect) !=
        CAIRO_REGION_OVERLAP_OUT;
}

static gboolean
icalcomp_is_transparent (icalcomponent *icalcomp)
{
    icalproperty *transp_prop;
    icalproperty_transp ical_transp = ICAL_TRANSP_NONE;

    g_return_val_if_fail (icalcomp != NULL, TRUE);

    transp_prop = icalcomponent_get_first_property (icalcomp, ICAL_TRANSP_PROPERTY);
    if (transp_prop)
        ical_transp = icalproperty_get_transp (transp_prop);

    return transp_prop && (ical_transp == ICAL_TRANSP_TRANSPARENT || ical_transp == ICAL_TRANSP_TRANSPARENTNOCONFLICT);
}

static void
day_view_main_item_draw_long_events_in_vbars (EDayViewMainItem *main_item,
                                              cairo_t *cr,
                                              gint x,
                                              gint y,
                                              gint width,
                                              gint height,
                                              cairo_region_t *draw_region)
{
    EDayView *day_view;
    EDayViewEvent *event;
    ECalendarView *cal_view;
    gint time_divisions;
    gint event_num, start_day, end_day, day, bar_y1, bar_y2, grid_x;
    GdkColor bg_color;

    day_view = e_day_view_main_item_get_day_view (main_item);

    cal_view = E_CALENDAR_VIEW (day_view);
    time_divisions = e_calendar_view_get_time_divisions (cal_view);

    for (event_num = 0; event_num < day_view->long_events->len; event_num++) {
        gboolean first = TRUE;
        event = &g_array_index (day_view->long_events, EDayViewEvent, event_num);

        if (!is_comp_data_valid (event))
            continue;

        /* If the event is TRANSPARENT, skip it. */
        if (icalcomp_is_transparent (event->comp_data->icalcomp)) {
            continue;
        }

        if (!e_day_view_find_long_event_days (event,
                              day_view->days_shown,
                              day_view->day_starts,
                              &start_day, &end_day)) {
            continue;
        }

        for (day = start_day; day <= end_day; day++) {
            grid_x = day_view->day_offsets[day] + 1 - x;

            /* Skip if it isn't visible. */
            if (grid_x >= width
                || grid_x + E_DAY_VIEW_BAR_WIDTH <= 0)
                continue;

            if (event->start <= day_view->day_starts[day]) {
                bar_y1 = 0;
            } else {
                bar_y1 = event->start_minute * day_view->row_height / time_divisions - y;
            }

            if (event->end >= day_view->day_starts[day + 1]) {
                bar_y2 = height;
            } else {
                bar_y2 = event->end_minute * day_view->row_height / time_divisions - y;
            }

            if (bar_y1 < height && bar_y2 > 0 && bar_y2 > bar_y1 && can_draw_in_region (draw_region, grid_x, bar_y1, E_DAY_VIEW_BAR_WIDTH - 2, bar_y2 - bar_y1)) {
                cairo_save (cr);
                gdk_cairo_set_source_color (cr, &day_view->colors[E_DAY_VIEW_COLOR_EVENT_BACKGROUND]);

                if (first) {
                    first = FALSE;

                    if (gdk_color_parse (e_cal_model_get_color_for_component (e_calendar_view_get_model (E_CALENDAR_VIEW (day_view)), event->comp_data), &bg_color)) {
                        gdk_cairo_set_source_color (cr, &bg_color);
                    }
                }

                cairo_rectangle (cr, grid_x, bar_y1, E_DAY_VIEW_BAR_WIDTH - 2, bar_y2 - bar_y1);
                cairo_fill (cr);
                cairo_restore (cr);
            }
        }
    }
}

static void
day_view_main_item_draw_day_event (EDayViewMainItem *main_item,
                                   cairo_t *cr,
                                   gint x,
                                   gint y,
                                   gint width,
                                   gint height,
                                   gint day,
                                   gint event_num,
                                   cairo_region_t *draw_region)
{
    EDayView *day_view;
    EDayViewEvent *event;
    ECalModel *model;
    ECalendarView *cal_view;
    gint time_divisions;
    gint item_x, item_y, item_w, item_h, bar_y1, bar_y2;
    GdkColor bg_color;
    ECalComponent *comp;
    gint num_icons, icon_x = 0, icon_y, icon_x_inc = 0, icon_y_inc = 0;
    gint max_icon_w, max_icon_h;
    gboolean draw_reminder_icon, draw_recurrence_icon, draw_timezone_icon, draw_meeting_icon;
    gboolean draw_attach_icon;
    ECalComponentTransparency transparency;
    cairo_pattern_t *pat;
    guint16 red, green, blue;
    gint i;
    gdouble radius, x0, y0, rect_height, rect_width, text_x_offset = 0.0;
    gdouble cc = 65535.0;
    gdouble date_fraction;
    gboolean short_event = FALSE, resize_flag = FALSE, is_editing;
    const gchar *end_resize_suffix;
    gchar *end_regsizeime;
    gint start_hour, start_display_hour, start_minute, start_suffix_width;
    gint end_hour, end_display_hour, end_minute, end_suffix_width;
    gboolean show_span = FALSE, format_time;
    gint offset, interval;
    const gchar *start_suffix;
    const gchar *end_suffix;
    gchar *text = NULL;
    gint scroll_flag = 0;
    gint row_y;

    day_view = e_day_view_main_item_get_day_view (main_item);

    cal_view = E_CALENDAR_VIEW (day_view);
    model = e_calendar_view_get_model (cal_view);
    time_divisions = e_calendar_view_get_time_divisions (cal_view);

    /* If the event is currently being dragged, don't draw it. It will
     * be drawn in the special drag items. */
    if (day_view->drag_event_day == day && day_view->drag_event_num == event_num)
        return;

    /* Get the position of the event. If it is not shown skip it.*/
    if (!e_day_view_get_event_position (day_view, day, event_num,
                        &item_x, &item_y,
                        &item_w, &item_h))
        return;

    item_x -= x;
    item_y -= y;

    if (!can_draw_in_region (draw_region, item_x, item_y, item_w, item_h))
        return;

    gdk_cairo_set_source_color (
        cr,
        &day_view->colors[E_DAY_VIEW_COLOR_EVENT_VBAR]);

    if (!is_array_index_in_bounds (day_view->events[day], event_num))
        return;

    event = &g_array_index (
        day_view->events[day], EDayViewEvent, event_num);

    if (!is_comp_data_valid (event))
        return;

    /* Fill in the event background. Note that for events in the first
     * column of the day, we might not want to paint over the vertical bar,
     * since that is used for multiple events. But then you can't see
     * where the event in the first column finishes. The border is drawn
     * along with the event using cairo */

    red = day_view->colors[E_DAY_VIEW_COLOR_EVENT_BACKGROUND].red;
    green = day_view->colors[E_DAY_VIEW_COLOR_EVENT_BACKGROUND].green;
    blue = day_view->colors[E_DAY_VIEW_COLOR_EVENT_BACKGROUND].blue;

    if (gdk_color_parse (e_cal_model_get_color_for_component (e_calendar_view_get_model (E_CALENDAR_VIEW (day_view)), event->comp_data),
                 &bg_color)) {
        red = bg_color.red;
        green = bg_color.green;
        blue = bg_color.blue;
    }

    is_editing = day_view->editing_event_day == day && day_view->editing_event_num == event_num;

    if (event->canvas_item)
        g_object_get (event->canvas_item, "x_offset", &text_x_offset, NULL);

    /* Draw shadow around the event when selected */
    if (is_editing && (gtk_widget_has_focus (day_view->main_canvas))) {
        /* For embossing Item selection */
        item_x -= 1;
        item_y -= 2;

        if (MAX (0, item_w - 31.5) != 0) {
            /* Vertical Line */
            cairo_save (cr);
            pat = cairo_pattern_create_linear (
                item_x + item_w - E_DAY_VIEW_BAR_WIDTH + 6.5, item_y + 13.75,
                item_x + item_w - E_DAY_VIEW_BAR_WIDTH + 13.75, item_y + 13.75);
            cairo_pattern_add_color_stop_rgba (pat, 0, 0, 0, 0, 1);
            cairo_pattern_add_color_stop_rgba (pat, 0.7, 0, 0, 0, 0.2);
            cairo_pattern_add_color_stop_rgba (pat, 1, 1, 1, 1, 0.3);
            cairo_set_source (cr, pat);
            cairo_rectangle (cr, item_x + item_w - E_DAY_VIEW_BAR_WIDTH + 6.5, item_y + 14.75, 7.0, item_h - 22.0);
            cairo_fill (cr);
            cairo_pattern_destroy (pat);

            /* Arc at the right */
            pat = cairo_pattern_create_radial (
                item_x + item_w - E_DAY_VIEW_BAR_WIDTH + 3, item_y + 13.5, 5.0,
                item_x + item_w - E_DAY_VIEW_BAR_WIDTH + 5, item_y + 13.5, 12.0);
            cairo_pattern_add_color_stop_rgba (pat, 1, 1, 1, 1, 0.3);
            cairo_pattern_add_color_stop_rgba (pat, 0.25, 0, 0, 0, 0.2);
            cairo_pattern_add_color_stop_rgba (pat, 0, 0, 0, 0, 1);
            cairo_set_source (cr, pat);
            cairo_arc (cr, item_x + item_w - E_DAY_VIEW_BAR_WIDTH + 5, item_y + 13.5, 8.0, 11 * G_PI / 8, G_PI / 8);
            cairo_fill (cr);
            cairo_pattern_destroy (pat);

            cairo_set_source_rgb (cr, 0, 0, 0);
            cairo_set_line_width (cr, 1.25);
            cairo_move_to (cr, item_x + item_w - E_DAY_VIEW_BAR_WIDTH + 5, item_y + 9.5);
            cairo_line_to (cr, item_x + item_w - E_DAY_VIEW_BAR_WIDTH + 9.5, item_y + 15);
            cairo_stroke (cr);

            /* Horizontal line */
            pat = cairo_pattern_create_linear (
                item_x + E_DAY_VIEW_BAR_WIDTH + 15, item_y + item_h,
                item_x + E_DAY_VIEW_BAR_WIDTH + 15, item_y + item_h + 7);
            cairo_pattern_add_color_stop_rgba (pat, 0, 0, 0, 0, 1);
            cairo_pattern_add_color_stop_rgba (pat, 0.7, 0, 0, 0, 0.2);
            cairo_pattern_add_color_stop_rgba (pat, 1, 1, 1, 1, 0.3);
            cairo_set_source (cr, pat);
            cairo_rectangle (cr, item_x + E_DAY_VIEW_BAR_WIDTH + 16.5, item_y + item_h, item_w - 31.5, 7.0);
            cairo_fill (cr);
            cairo_pattern_destroy (pat);

            /* Bottom arc */
            pat = cairo_pattern_create_radial (
                item_x + E_DAY_VIEW_BAR_WIDTH + 12.5, item_y + item_h - 5, 5.0,
                item_x + E_DAY_VIEW_BAR_WIDTH + 12.5, item_y + item_h - 5, 12.0);
            cairo_pattern_add_color_stop_rgba (pat, 1, 1, 1, 1, 0.3);
            cairo_pattern_add_color_stop_rgba (pat, 0.7, 0, 0, 0, 0.2);
            cairo_pattern_add_color_stop_rgba (pat, 0, 0, 0, 0, 1);
            cairo_set_source (cr, pat);
            cairo_arc (cr, item_x + E_DAY_VIEW_BAR_WIDTH + 13, item_y + item_h - 5, 12.0, 3 * G_PI / 8, 9 * G_PI / 8);
            cairo_fill (cr);
            cairo_pattern_destroy (pat);

            cairo_set_source_rgba (cr, 0, 0, 0, 0.5);
            cairo_set_line_width (cr, 2);
            cairo_move_to (cr, item_x + E_DAY_VIEW_BAR_WIDTH + 14, item_y + item_h + 2);
            cairo_line_to (cr, item_x + E_DAY_VIEW_BAR_WIDTH + 15.5, item_y + item_h + 3);
            cairo_stroke (cr);
            cairo_set_source_rgba (cr, 0, 0, 0, 0.27);
            cairo_move_to (cr, item_x + E_DAY_VIEW_BAR_WIDTH + 15, item_y + item_h + 3.5);
            cairo_line_to (cr, item_x + E_DAY_VIEW_BAR_WIDTH + 17, item_y + item_h + 3.5);
            cairo_stroke (cr);

            /* Arc in middle */
            pat = cairo_pattern_create_radial (
                item_x + item_w - E_DAY_VIEW_BAR_WIDTH + 1, item_y + item_h - 4.5, 1.0,
                        item_x + item_w - E_DAY_VIEW_BAR_WIDTH + 1, item_y + item_h - 4.5, 12.0);
            cairo_pattern_add_color_stop_rgba (pat, 1, 1, 1, 1, 0.3);
            cairo_pattern_add_color_stop_rgba (pat, 0.8, 0, 0, 0, 0.2);
            cairo_pattern_add_color_stop_rgba (pat, 0, 0, 0, 0, 1);
            cairo_set_source (cr, pat);
            cairo_arc (cr, item_x + item_w - E_DAY_VIEW_BAR_WIDTH + 1, item_y + item_h - 4.5, 12.0, 15 * G_PI / 8,  5 * G_PI / 8);
            cairo_fill (cr);
            cairo_pattern_destroy (pat);

            cairo_set_source_rgba (cr, 0, 0, 0, 0.27);
            cairo_move_to (cr, item_x + item_w - E_DAY_VIEW_BAR_WIDTH - 1, item_y + item_h + 3);
            cairo_line_to (cr, item_x + item_w - E_DAY_VIEW_BAR_WIDTH , item_y + item_h + 3);
            cairo_stroke (cr);

            cairo_set_source_rgba (cr, 0, 0, 0, 0.27);
            cairo_move_to (cr, item_x + item_w - E_DAY_VIEW_BAR_WIDTH + 9, item_y + item_h - 6);
            cairo_line_to (cr, item_x + item_w - E_DAY_VIEW_BAR_WIDTH + 10, item_y + item_h - 6);
            cairo_stroke (cr);

            cairo_restore (cr);

            /* Black border */
            cairo_save (cr);
            x0     = item_x + E_DAY_VIEW_BAR_WIDTH + 9;
            y0     = item_y + 10;
            rect_width = MAX (item_w - E_DAY_VIEW_BAR_WIDTH - 7, 0);
            rect_height = item_h - 7;

            radius = 20;

            draw_curved_rectangle (cr, x0, y0, rect_width, rect_height, radius);

            cairo_set_source_rgb (cr, 0, 0, 0);
            cairo_fill (cr);
            cairo_restore (cr);

            /* Extra Grid lines when clicked */
            cairo_save (cr);

            x0     = item_x + E_DAY_VIEW_BAR_WIDTH + 1;
            y0     = item_y + 2;
            rect_width  = MAX (item_w - E_DAY_VIEW_BAR_WIDTH - 3, 0);
            rect_height = item_h - 4.;

            radius = 16;

            draw_curved_rectangle (cr, x0, y0, rect_width, rect_height, radius);

            cairo_set_source_rgb (cr, 1, 1, 1);
            cairo_fill (cr);

            gdk_cairo_set_source_color (
                cr,
                &day_view->colors[E_DAY_VIEW_COLOR_BG_GRID]);

            for (row_y = y0;
                 row_y < rect_height + y0;
                 row_y += day_view->row_height) {
                if (row_y >= 0 && row_y < rect_height + y0) {
                    cairo_set_line_width (cr, 0.7);
                    cairo_move_to (cr, item_x + E_DAY_VIEW_BAR_WIDTH + 1 , row_y);
                    cairo_line_to (cr, item_x + item_w -2, row_y);
                    cairo_stroke (cr);
                }
            }
            cairo_restore (cr);
        }

        item_x += 1;
        item_y += 2;
    }

    /* Draw the background of the event with white to play with transparency */
    cairo_save (cr);

    x0     = item_x + E_DAY_VIEW_BAR_WIDTH + 1;
    y0     = item_y + 2;
    rect_width  = MAX (item_w - E_DAY_VIEW_BAR_WIDTH - 3, 0);
    rect_height = item_h - 4.;

    radius = 16;

    draw_curved_rectangle (cr, x0, y0, rect_width, rect_height, radius);

    cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
    cairo_fill (cr);

    cairo_restore (cr);

    /* Here we draw the border in event color */
    cairo_save (cr);

    x0     = item_x + E_DAY_VIEW_BAR_WIDTH;
    y0     = item_y + 1.;
    rect_width  = MAX (item_w - E_DAY_VIEW_BAR_WIDTH - 1., 0);
    rect_height = item_h - 2.;

    radius = 16;

    draw_curved_rectangle (cr, x0, y0, rect_width,rect_height, radius);
    cairo_set_line_width (cr, 2.);
    cairo_set_source_rgb (cr, red / cc, green / cc, blue / cc);
    cairo_stroke (cr);
    cairo_restore (cr);

    /* Fill in the Event */

    cairo_save (cr);

    x0     = item_x + E_DAY_VIEW_BAR_WIDTH + 1.75;
    y0     = item_y + 2.75;
    rect_width  = item_w - E_DAY_VIEW_BAR_WIDTH - 4.5;
    rect_height = item_h - 5.5;

    radius = 14;

    draw_curved_rectangle (cr, x0, y0, rect_width, rect_height, radius);

    date_fraction = rect_height / day_view->row_height;
    interval = event->end_minute - event->start_minute;

    if ((interval / time_divisions) >= 2)
        short_event = FALSE;
    else if ((interval % time_divisions) == 0) {
        if (((event->end_minute % time_divisions) == 0) ||
            ((event->start_minute % time_divisions) == 0))
            short_event = TRUE;
        }
    else
        short_event = FALSE;

    if (is_editing)
        short_event = TRUE;

    pat = cairo_pattern_create_linear (
        item_x + E_DAY_VIEW_BAR_WIDTH + 1.75, item_y + 7.75,
        item_x + E_DAY_VIEW_BAR_WIDTH + 1.75, item_y + item_h - 7.75);
    if (!short_event) {
        cairo_pattern_add_color_stop_rgba (pat, 1, red / cc, green / cc, blue / cc, 0.8);
        cairo_pattern_add_color_stop_rgba (pat, 1 / (date_fraction + (rect_height / 18)), red / cc, green / cc, blue / cc, 0.8);
        cairo_pattern_add_color_stop_rgba (pat, 1 / (date_fraction + (rect_height / 18)), red / cc, green / cc, blue / cc, 0.4);
        cairo_pattern_add_color_stop_rgba (pat, 1, red / cc, green / cc, blue / cc, 0.8);
    } else {
        cairo_pattern_add_color_stop_rgba (pat, 1, red / cc, green / cc, blue / cc, 0.8);
        cairo_pattern_add_color_stop_rgba (pat, 0, red / cc, green / cc, blue / cc, 0.4);
    }
    cairo_set_source (cr, pat);
    cairo_fill_preserve (cr);
    cairo_pattern_destroy (pat);

    cairo_set_source_rgba (cr, red / cc, green / cc, blue / cc, 0.2);
    cairo_set_line_width (cr, 0.5);
    cairo_stroke (cr);
    cairo_restore (cr);

    /* Draw the right edge of the vertical bar. */
    cairo_save (cr);
    gdk_cairo_set_source_color (
        cr,
        &day_view->colors[E_DAY_VIEW_COLOR_BG_GRID]);
    cairo_set_line_width (cr, 0.7);
    cairo_move_to (cr, item_x + E_DAY_VIEW_BAR_WIDTH - 1, item_y + 1);
    cairo_line_to (cr, item_x + E_DAY_VIEW_BAR_WIDTH - 1, item_y + item_h - 2);
    cairo_stroke (cr);
    cairo_restore (cr);

    gdk_cairo_set_source_color (
        cr,
        &day_view->colors[E_DAY_VIEW_COLOR_EVENT_VBAR]);

    /* Draw the vertical colored bar showing when the appointment
     * begins & ends. */
    bar_y1 = event->start_minute * day_view->row_height / time_divisions - y;
    bar_y2 = event->end_minute * day_view->row_height / time_divisions - y;

    scroll_flag = bar_y2;

    /* When an item is being resized, we fill the bar up to the new row. */
    if (day_view->resize_drag_pos != E_CALENDAR_VIEW_POS_NONE
        && day_view->resize_event_day == day
        && day_view->resize_event_num == event_num) {
        resize_flag = TRUE;

        if (day_view->resize_drag_pos == E_CALENDAR_VIEW_POS_TOP_EDGE)
            bar_y1 = item_y + 1;

        else if (day_view->resize_drag_pos == E_CALENDAR_VIEW_POS_BOTTOM_EDGE) {
            bar_y2 = item_y + item_h - 1;

            end_minute = event->end_minute;

            end_hour   = end_minute / 60;
            end_minute = end_minute % 60;

            e_day_view_convert_time_to_display (
                day_view, end_hour,
                &end_display_hour,
                &end_resize_suffix,
                &end_suffix_width);

            cairo_save (cr);
            cairo_rectangle (
                cr, item_x + E_DAY_VIEW_BAR_WIDTH + 1.75, item_y + 2.75,
                item_w - E_DAY_VIEW_BAR_WIDTH - 4.5,
                item_h - 5.5);
            cairo_clip (cr);
            cairo_new_path (cr);

            if (e_cal_model_get_use_24_hour_format (model)) {
                cairo_translate (cr, item_x + item_w - E_DAY_VIEW_BAR_WIDTH - 32, item_y + item_h - 8);
                end_regsizeime = g_strdup_printf (
                    "%2i:%02i",
                    end_display_hour, end_minute);

            } else {
                cairo_translate (cr, item_x + item_w - E_DAY_VIEW_BAR_WIDTH - 48, item_y + item_h - 8);
                end_regsizeime = g_strdup_printf (
                    "%2i:%02i%s",
                    end_display_hour, end_minute,
                    end_resize_suffix);
            }
            cairo_set_font_size (cr, 14);
            if ((red / cc > 0.7) || (green / cc > 0.7) || (blue / cc > 0.7))
                cairo_set_source_rgb (cr, 0, 0, 0);
            else
                cairo_set_source_rgb (cr, 1, 1, 1);
            cairo_show_text (cr, end_regsizeime);
            cairo_close_path (cr);
            cairo_restore (cr);
        }
    }

    if (bar_y2 > scroll_flag)
        event->end_minute += time_divisions;
    else if (bar_y2 < scroll_flag)
        event->end_minute -= time_divisions;

    comp = e_cal_component_new ();
    e_cal_component_set_icalcomponent (comp, icalcomponent_new_clone (event->comp_data->icalcomp));

    /* Only fill it in if the event isn't TRANSPARENT. */
    e_cal_component_get_transparency (comp, &transparency);
    if (transparency != E_CAL_COMPONENT_TRANSP_TRANSPARENT) {
        cairo_save (cr);
        pat = cairo_pattern_create_linear (
            item_x + E_DAY_VIEW_BAR_WIDTH, item_y + 1,
            item_x + E_DAY_VIEW_BAR_WIDTH, item_y + item_h - 1);
        cairo_pattern_add_color_stop_rgba (pat, 1, red / cc, green / cc, blue / cc, 0.7);
        cairo_pattern_add_color_stop_rgba (pat, 0.5, red / cc, green / cc, blue / cc, 0.7);
        cairo_pattern_add_color_stop_rgba (pat, 0, red / cc, green / cc, blue / cc, 0.2);

        cairo_rectangle (
            cr, item_x + 1, bar_y1,
            E_DAY_VIEW_BAR_WIDTH - 2, bar_y2 - bar_y1);

        cairo_set_source (cr, pat);
        cairo_fill (cr);
        cairo_pattern_destroy (pat);
        cairo_restore (cr);

        /* This is for achieving the white stripes in vbar across event color */
        for (i = 0; i <= (bar_y2 - bar_y1); i+=4) {
            cairo_set_source_rgb (cr, 1, 1, 1);
            cairo_set_line_width (cr, 0.3);
            cairo_move_to (cr, item_x + 1, bar_y1 + i);
            cairo_line_to (cr, item_x + E_DAY_VIEW_BAR_WIDTH - 1, bar_y1 + i);
            cairo_stroke (cr);
        }
    }

    gdk_cairo_set_source_color (
        cr,
        &day_view->colors[E_DAY_VIEW_COLOR_EVENT_VBAR]);

    /* Draw the reminder & recurrence icons, if needed. */
    if (!resize_flag && (!is_editing || text_x_offset > E_DAY_VIEW_ICON_X_PAD)) {
        GSList *categories_pixbufs = NULL, *pixbufs;

        num_icons = 0;
        draw_reminder_icon = FALSE;
        draw_recurrence_icon = FALSE;
        draw_timezone_icon = FALSE;
        draw_meeting_icon = FALSE;
        draw_attach_icon = FALSE;
        icon_x = item_x + E_DAY_VIEW_BAR_WIDTH + E_DAY_VIEW_ICON_X_PAD;
        icon_y = item_y + E_DAY_VIEW_EVENT_BORDER_HEIGHT
            + E_DAY_VIEW_ICON_Y_PAD;

        if (e_cal_component_has_alarms (comp)) {
            draw_reminder_icon = TRUE;
            num_icons++;
        }

        if (e_cal_component_has_recurrences (comp) || e_cal_component_is_instance (comp)) {
            draw_recurrence_icon = TRUE;
            num_icons++;
        }
        if (e_cal_component_has_attachments (comp)) {
            draw_attach_icon = TRUE;
            num_icons++;
        }
        /* If the DTSTART or DTEND are in a different timezone to our current
         * timezone, we display the timezone icon. */
        if (event->different_timezone) {
            draw_timezone_icon = TRUE;
            num_icons++;
        }

        if (e_cal_component_has_attendees (comp)) {
            draw_meeting_icon = TRUE;
            num_icons++;
        }

        num_icons += cal_comp_util_get_n_icons (comp, &categories_pixbufs);

        if (num_icons != 0) {
            if (item_h >= (E_DAY_VIEW_ICON_HEIGHT + E_DAY_VIEW_ICON_Y_PAD) * num_icons) {
                icon_x_inc = 0;
                icon_y_inc = E_DAY_VIEW_ICON_HEIGHT
                    + E_DAY_VIEW_ICON_Y_PAD;
            } else {
                icon_x_inc = E_DAY_VIEW_ICON_WIDTH
                    + E_DAY_VIEW_ICON_X_PAD;
                icon_y_inc = 0;
            }

            #define fit_in_event() (icon_x + icon_x_inc < item_x + item_w && icon_y + icon_y_inc < item_y + item_h)
            #define draw_pixbuf(pf) \
                max_icon_w = item_x + item_w - icon_x - E_DAY_VIEW_EVENT_BORDER_WIDTH;      \
                max_icon_h = item_y + item_h - icon_y - E_DAY_VIEW_EVENT_BORDER_HEIGHT;     \
                                                        \
                if (can_draw_in_region (draw_region, icon_x, icon_y, max_icon_w, max_icon_h)) { \
                    cairo_save (cr);                            \
                    cairo_rectangle (cr, icon_x, icon_y, max_icon_w, max_icon_h);       \
                    cairo_clip (cr);                            \
                    cairo_new_path (cr);                            \
                    gdk_cairo_set_source_pixbuf (cr, pf, icon_x, icon_y);           \
                    cairo_paint (cr);                           \
                    cairo_close_path (cr);                          \
                    cairo_restore (cr);                         \
                }                                       \
                                                        \
                icon_x += icon_x_inc;                               \
                icon_y += icon_y_inc;

            if (draw_reminder_icon && fit_in_event ()) {
                draw_pixbuf (day_view->reminder_icon);
            }

            if (draw_recurrence_icon && fit_in_event ()) {
                draw_pixbuf (day_view->recurrence_icon);
            }
            if (draw_attach_icon && fit_in_event ()) {
                draw_pixbuf (day_view->attach_icon);
            }
            if (draw_timezone_icon && fit_in_event ()) {
                draw_pixbuf (day_view->timezone_icon);
            }

            if (draw_meeting_icon && fit_in_event ()) {
                draw_pixbuf (day_view->meeting_icon);
            }

            /* draw categories icons */
            for (pixbufs = categories_pixbufs;
                 pixbufs && fit_in_event ();
                 pixbufs = pixbufs->next) {
                GdkPixbuf *pixbuf = pixbufs->data;

                draw_pixbuf (pixbuf);
            }

            #undef draw_pixbuf
            #undef fit_in_event
        }

        /* free memory */
        g_slist_foreach (categories_pixbufs, (GFunc) g_object_unref, NULL);
        g_slist_free (categories_pixbufs);
    }

    if (!short_event)
    {
        if (event->start_minute % time_divisions != 0
            || (day_view->show_event_end_times
            && event->end_minute % time_divisions != 0)) {
                offset = day_view->first_hour_shown * 60
                + day_view->first_minute_shown;
                show_span = TRUE;
            } else {
                offset = 0;
        }
        start_minute = offset + event->start_minute;
        end_minute = offset + event->end_minute;

        format_time = (((end_minute - start_minute) / time_divisions) >= 2) ? TRUE : FALSE;

        start_hour = start_minute / 60;
        start_minute = start_minute % 60;

        end_hour = end_minute / 60;
        end_minute = end_minute % 60;

        e_day_view_convert_time_to_display (
            day_view, start_hour,
            &start_display_hour,
            &start_suffix,
            &start_suffix_width);
        e_day_view_convert_time_to_display (
            day_view, end_hour,
            &end_display_hour,
            &end_suffix,
            &end_suffix_width);

        if (e_cal_model_get_use_24_hour_format (model)) {
            if (day_view->show_event_end_times && show_span) {
                /* 24 hour format with end time. */
                text = g_strdup_printf
                    ("%2i:%02i-%2i:%02i",
                     start_display_hour, start_minute,
                     end_display_hour, end_minute);
            } else {
                if (format_time) {
                /* 24 hour format without end time. */
                text = g_strdup_printf
                    ("%2i:%02i",
                     start_display_hour, start_minute);
                }
            }
        } else {
            if (day_view->show_event_end_times && show_span) {
                /* 12 hour format with end time. */
                text = g_strdup_printf
                    ("%2i:%02i%s-%2i:%02i%s",
                     start_display_hour, start_minute,
                     start_suffix,
                     end_display_hour, end_minute, end_suffix);
            } else {
                /* 12 hour format without end time. */
                text = g_strdup_printf
                    ("%2i:%02i%s",
                     start_display_hour, start_minute,
                     start_suffix);
            }
        }

        cairo_save (cr);
        cairo_rectangle (
            cr, item_x + E_DAY_VIEW_BAR_WIDTH + 1.75, item_y + 2.75,
            item_w - E_DAY_VIEW_BAR_WIDTH - 4.5,
            14);

        cairo_clip (cr);
        cairo_new_path (cr);

        if (icon_x_inc == 0)
            icon_x += 14;

        if (resize_flag)
            cairo_move_to (cr, item_x + E_DAY_VIEW_BAR_WIDTH + 10, item_y + 13);
        else
            cairo_move_to (cr, icon_x, item_y + 13);
        if ((red / cc > 0.7) || (green / cc > 0.7) || (blue / cc > 0.7))
            cairo_set_source_rgb (cr, 0, 0, 0);
        else
            cairo_set_source_rgb (cr, 1, 1, 1);
        cairo_set_font_size (cr, 14.0);
        cairo_show_text (cr, text);
        cairo_close_path (cr);
        cairo_restore (cr);
    }

    g_free (text);
    g_object_unref (comp);
}

static void
day_view_main_item_draw_day_events (EDayViewMainItem *main_item,
                                    cairo_t *cr,
                                    gint x,
                                    gint y,
                                    gint width,
                                    gint height,
                                    gint day,
                                    cairo_region_t *draw_region)
{
    EDayView *day_view;
    gint event_num;

    day_view = e_day_view_main_item_get_day_view (main_item);

    for (event_num = 0; event_num < day_view->events[day]->len;
         event_num++) {
        day_view_main_item_draw_day_event (
            main_item, cr, x, y, width, height,
            day, event_num, draw_region);
    }
}

static void
day_view_main_item_draw_events_in_vbars (EDayViewMainItem *main_item,
                                         cairo_t *cr,
                                         gint x,
                                         gint y,
                                         gint width,
                                         gint height,
                                         gint day,
                                         cairo_region_t *draw_region)
{
    EDayView *day_view;
    EDayViewEvent *event;
    ECalendarView *cal_view;
    gint time_divisions;
    gint grid_x, event_num, bar_y, bar_h;
    GdkColor bg_color;

    day_view = e_day_view_main_item_get_day_view (main_item);

    cal_view = E_CALENDAR_VIEW (day_view);
    time_divisions = e_calendar_view_get_time_divisions (cal_view);

    grid_x = day_view->day_offsets[day] + 1 - x;

    /* Draw the busy times corresponding to the events in the day. */
    for (event_num = 0; event_num < day_view->events[day]->len; event_num++) {
        event = &g_array_index (day_view->events[day], EDayViewEvent, event_num);

        if (!is_comp_data_valid (event))
            continue;

        /* We can skip the events in the first column since they will
         * draw over this anyway. */
        if (event->num_columns > 0 && event->start_row_or_col == 0) {
            continue;
        }

        bar_y = event->start_minute * day_view->row_height / time_divisions;
        bar_h = event->end_minute * day_view->row_height / time_divisions - bar_y;
        bar_y -= y;

        /* Skip it if it isn't visible. */
        if (bar_y >= height || bar_y + bar_h <= 0 || !can_draw_in_region (draw_region, grid_x, bar_y, E_DAY_VIEW_BAR_WIDTH - 2, bar_h)) {
            continue;
        }

        /* If the event is TRANSPARENT, skip it. */
        if (icalcomp_is_transparent (event->comp_data->icalcomp)) {
            continue;
        }

        cairo_save (cr);

        gdk_cairo_set_source_color (cr, &day_view->colors[E_DAY_VIEW_COLOR_EVENT_BACKGROUND]);

        if (gdk_color_parse (e_cal_model_get_color_for_component (e_calendar_view_get_model (E_CALENDAR_VIEW (day_view)), event->comp_data), &bg_color)) {
            gdk_cairo_set_source_color (cr, &bg_color);
        }

        cairo_rectangle (cr, grid_x, bar_y, E_DAY_VIEW_BAR_WIDTH - 2, bar_h);

        cairo_fill (cr);

        cairo_restore (cr);
    }
}

static void
day_view_main_item_set_property (GObject *object,
                                 guint property_id,
                                 const GValue *value,
                                 GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_DAY_VIEW:
            e_day_view_main_item_set_day_view (
                E_DAY_VIEW_MAIN_ITEM (object),
                g_value_get_object (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
day_view_main_item_get_property (GObject *object,
                                 guint property_id,
                                 GValue *value,
                                 GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_DAY_VIEW:
            g_value_set_object (
                value, e_day_view_main_item_get_day_view (
                E_DAY_VIEW_MAIN_ITEM (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
day_view_main_item_dispose (GObject *object)
{
    EDayViewMainItemPrivate *priv;

    priv = E_DAY_VIEW_MAIN_ITEM_GET_PRIVATE (object);

    if (priv->day_view != NULL) {
        g_object_unref (priv->day_view);
        priv->day_view = NULL;
    }

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (e_day_view_main_item_parent_class)->dispose (object);
}

static void
day_view_main_item_update (GnomeCanvasItem *item,
                           const cairo_matrix_t *i2c,
                           gint flags)
{
    GnomeCanvasItemClass *canvas_item_class;

    /* Chain up to parent's update() method. */
    canvas_item_class =
        GNOME_CANVAS_ITEM_CLASS (e_day_view_main_item_parent_class);
    canvas_item_class->update (item, i2c, flags);

    /* The item covers the entire canvas area. */
    item->x1 = 0;
    item->y1 = 0;
    item->x2 = INT_MAX;
    item->y2 = INT_MAX;
}

static void
day_view_main_item_draw (GnomeCanvasItem *canvas_item,
                         cairo_t *cr,
                         gint x,
                         gint y,
                         gint width,
                         gint height)
{
    EDayViewMainItem *main_item;
    EDayView *day_view;
    ECalendarView *cal_view;
    ECalModel *model;
    gint time_divisions;
    gint work_day_start_hour;
    gint work_day_start_minute;
    gint work_day_end_hour;
    gint work_day_end_minute;
    gint row, row_y, grid_x1, grid_x2;
    gint day, grid_y1, grid_y2;
    gint work_day_start_y, work_day_end_y;
    gint day_x, day_w, work_day;
    gint start_row, end_row, rect_x, rect_y, rect_width, rect_height;
    struct icaltimetype day_start_tt, today_tt;
    gint weekday;
    gboolean today = FALSE;
    cairo_region_t *draw_region;
    GdkRectangle rect;

    main_item = E_DAY_VIEW_MAIN_ITEM (canvas_item);
    day_view = e_day_view_main_item_get_day_view (main_item);
    g_return_if_fail (day_view != NULL);

    cal_view = E_CALENDAR_VIEW (day_view);
    time_divisions = e_calendar_view_get_time_divisions (cal_view);

    model = e_calendar_view_get_model (cal_view);
    work_day_start_hour = e_cal_model_get_work_day_start_hour (model);
    work_day_start_minute = e_cal_model_get_work_day_start_minute (model);
    work_day_end_hour = e_cal_model_get_work_day_end_hour (model);
    work_day_end_minute = e_cal_model_get_work_day_end_minute (model);

    rect.x = 0;
    rect.y = 0;
    rect.width = width;
    rect.height = height;
    if (rect.width > 0 && rect.height > 0)
        draw_region = cairo_region_create_rectangle (&rect);
    else
        draw_region = cairo_region_create ();

    /* Paint the background colors. */
    work_day_start_y = e_day_view_convert_time_to_position (
        day_view, work_day_start_hour, work_day_start_minute) - y;
    work_day_end_y = e_day_view_convert_time_to_position (
        day_view, work_day_end_hour, work_day_end_minute) - y;

    today_tt = icaltime_from_timet_with_zone (
        time (NULL), FALSE,
        e_calendar_view_get_timezone (E_CALENDAR_VIEW (day_view)));

    for (day = 0; day < day_view->days_shown; day++) {
        day_start_tt = icaltime_from_timet_with_zone (
            day_view->day_starts[day], FALSE,
            e_calendar_view_get_timezone (E_CALENDAR_VIEW (day_view)));
        weekday = icaltime_day_of_week (day_start_tt) - 1;

        work_day = day_view->working_days & (1 << weekday);

        day_x = day_view->day_offsets[day] - x;
        day_w = day_view->day_widths[day];

        if (work_day) {
            if (can_draw_in_region (draw_region, day_x, 0 - y, day_w, work_day_start_y - (0 - y))) {
                cairo_save (cr);
                gdk_cairo_set_source_color (cr, &day_view->colors[E_DAY_VIEW_COLOR_BG_NOT_WORKING]);
                cairo_rectangle (cr, day_x, 0 - y, day_w, work_day_start_y - (0 - y));
                cairo_fill (cr);
                cairo_restore (cr);
            }

            if (day_view->days_shown > 1) {
                /* Check if we are drawing today */
                today =  day_start_tt.year == today_tt.year
                    && day_start_tt.month == today_tt.month
                    && day_start_tt.day == today_tt.day;
            } else {
                today = FALSE;
            }

            if (can_draw_in_region (draw_region, day_x, work_day_start_y, day_w, work_day_end_y - work_day_start_y)) {
                cairo_save (cr);
                gdk_cairo_set_source_color (cr, &day_view->colors[today ? E_DAY_VIEW_COLOR_BG_MULTIDAY_TODAY : E_DAY_VIEW_COLOR_BG_WORKING]);
                cairo_rectangle (cr, day_x, work_day_start_y, day_w, work_day_end_y - work_day_start_y);
                cairo_fill (cr);
                cairo_restore (cr);
            }

            if (can_draw_in_region (draw_region, day_x, work_day_end_y, day_w, height - work_day_end_y)) {
                cairo_save (cr);
                gdk_cairo_set_source_color (cr, &day_view->colors[E_DAY_VIEW_COLOR_BG_NOT_WORKING]);
                cairo_rectangle (cr, day_x, work_day_end_y, day_w, height - work_day_end_y);
                cairo_fill (cr);
                cairo_restore (cr);
            }
        } else if (can_draw_in_region (draw_region, day_x, 0, day_w, height)) {
            cairo_save (cr);
            gdk_cairo_set_source_color (cr, &day_view->colors[E_DAY_VIEW_COLOR_BG_NOT_WORKING]);
            cairo_rectangle (cr, day_x, 0, day_w, height);
            cairo_fill (cr);
            cairo_restore (cr);
        }
    }

    /* Paint the selection background. */
    if (day_view->selection_start_day != -1
        && !day_view->selection_in_top_canvas) {
        for (day = day_view->selection_start_day;
             day <= day_view->selection_end_day;
             day++) {
            if (day == day_view->selection_start_day
                && day_view->selection_start_row != -1)
                start_row = day_view->selection_start_row;
            else
                start_row = 0;
            if (day == day_view->selection_end_day
                && day_view->selection_end_row != -1)
                end_row = day_view->selection_end_row;
            else
                end_row = day_view->rows - 1;

            rect_x = day_view->day_offsets[day] - x;
            rect_width = day_view->day_widths[day];
            rect_y = start_row * day_view->row_height - y;
            rect_height = (end_row - start_row + 1) * day_view->row_height;

            if (can_draw_in_region (draw_region, rect_x, rect_y, rect_width, rect_height)) {
                cairo_save (cr);
                gdk_cairo_set_source_color (cr, &day_view->colors[gtk_widget_has_focus (GTK_WIDGET (day_view)) ? E_DAY_VIEW_COLOR_BG_SELECTED : E_DAY_VIEW_COLOR_BG_SELECTED_UNFOCUSSED]);
                cairo_rectangle (cr, rect_x, rect_y, rect_width, rect_height);
                cairo_fill (cr);
                cairo_restore (cr);
            }
        }
    }

    /* Drawing the horizontal grid lines. */
    grid_x1 = day_view->day_offsets[0] - x;
    grid_x2 = day_view->day_offsets[day_view->days_shown] - x;

    cairo_save (cr);
    gdk_cairo_set_source_color (
        cr,
        &day_view->colors[E_DAY_VIEW_COLOR_BG_GRID]);

    for (row = 0, row_y = 0 - y;
         row < day_view->rows && row_y < height;
         row++, row_y += day_view->row_height) {
        if (row_y >= 0 && row_y < height) {
            cairo_set_line_width (cr, 0.7);
            cairo_move_to (cr, grid_x1, row_y);
            cairo_line_to (cr, grid_x2, row_y);
            cairo_stroke (cr);
        }
    }
    cairo_restore (cr);

    /* Draw the vertical bars down the left of each column. */
    grid_y1 = 0;
    grid_y2 = height;
    for (day = 0; day < day_view->days_shown; day++) {
        grid_x1 = day_view->day_offsets[day] - x;

        /* Skip if it isn't visible. */
        if (grid_x1 >= width || grid_x1 + E_DAY_VIEW_BAR_WIDTH <= 0)
            continue;
        cairo_save (cr);

        gdk_cairo_set_source_color (
            cr,
            &day_view->colors[E_DAY_VIEW_COLOR_BG_GRID]);
        cairo_move_to (cr, grid_x1, grid_y1);
        cairo_line_to (cr, grid_x1, grid_y2);
        cairo_stroke (cr);

        gdk_cairo_set_source_color (
            cr,
            &day_view->colors[E_DAY_VIEW_COLOR_BG_GRID]);

        cairo_move_to (cr, grid_x1 + E_DAY_VIEW_BAR_WIDTH - 1, grid_y1);
        cairo_line_to (cr, grid_x1 + E_DAY_VIEW_BAR_WIDTH - 1, grid_y2);
        cairo_stroke (cr);

        cairo_set_source_rgb (cr, 1, 1, 1);

        cairo_rectangle (
            cr, grid_x1 + 1, grid_y1,
            E_DAY_VIEW_BAR_WIDTH - 2, grid_y2 - grid_y1);

        cairo_fill (cr);

        cairo_restore (cr);

        /* Fill in the bars when the user is busy. */
        day_view_main_item_draw_events_in_vbars (
            main_item, cr, x, y,
            width, height, day, draw_region);
    }

    /* Fill in the vertical bars corresponding to the busy times from the
     * long events. */
    day_view_main_item_draw_long_events_in_vbars (
        main_item, cr, x, y, width, height, draw_region);

    /* Draw the event borders and backgrounds, and the vertical bars
     * down the left edges. */
    for (day = 0; day < day_view->days_shown; day++)
        day_view_main_item_draw_day_events (
            main_item, cr, x, y,
            width, height, day, draw_region);

    if (e_day_view_marcus_bains_get_show_line (day_view)) {
        icaltimezone *zone;
        struct icaltimetype time_now, day_start;
        gint marcus_bains_y;
        GdkColor mb_color;

        cairo_save (cr);
        gdk_cairo_set_source_color (
            cr,
            &day_view->colors[E_DAY_VIEW_COLOR_MARCUS_BAINS_LINE]);

        if (day_view->marcus_bains_day_view_color && gdk_color_parse (day_view->marcus_bains_day_view_color, &mb_color)) {
            gdk_cairo_set_source_color (cr, &mb_color);
        }
        zone = e_calendar_view_get_timezone (E_CALENDAR_VIEW (day_view));
        time_now = icaltime_current_time_with_zone (zone);

        for (day = 0; day < day_view->days_shown; day++) {
            day_start = icaltime_from_timet_with_zone (day_view->day_starts[day], FALSE, zone);

            if ((day_start.year  == time_now.year) &&
                (day_start.month == time_now.month) &&
                (day_start.day   == time_now.day)) {

                grid_x1 = day_view->day_offsets[day] - x + E_DAY_VIEW_BAR_WIDTH;
                grid_x2 = day_view->day_offsets[day + 1] - x - 1;
                marcus_bains_y = (time_now.hour * 60 + time_now.minute) * day_view->row_height / time_divisions - y;
                cairo_set_line_width (cr, 1.5);
                cairo_move_to (cr, grid_x1, marcus_bains_y);
                cairo_line_to (cr, grid_x2, marcus_bains_y);
                cairo_stroke (cr);
            }
        }
        cairo_restore (cr);
    }
    cairo_region_destroy (draw_region);
}

static GnomeCanvasItem *
day_view_main_item_point (GnomeCanvasItem *item,
                          gdouble x,
                          gdouble y,
                          gint cx,
                          gint cy)
{
    return item;
}

static void
e_day_view_main_item_class_init (EDayViewMainItemClass *class)
{
    GObjectClass *object_class;
    GnomeCanvasItemClass *item_class;

    g_type_class_add_private (class, sizeof (EDayViewMainItemPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = day_view_main_item_set_property;
    object_class->get_property = day_view_main_item_get_property;
    object_class->dispose = day_view_main_item_dispose;

    item_class = GNOME_CANVAS_ITEM_CLASS (class);
    item_class->update = day_view_main_item_update;
    item_class->draw = day_view_main_item_draw;
    item_class->point = day_view_main_item_point;

    g_object_class_install_property (
        object_class,
        PROP_DAY_VIEW,
        g_param_spec_object (
            "day-view",
            "Day View",
            NULL,
            E_TYPE_DAY_VIEW,
            G_PARAM_READWRITE));

    /* init the accessibility support for e_day_view */
    e_day_view_main_item_a11y_init ();
}

static void
e_day_view_main_item_init (EDayViewMainItem *main_item)
{
    main_item->priv = E_DAY_VIEW_MAIN_ITEM_GET_PRIVATE (main_item);
}

EDayView *
e_day_view_main_item_get_day_view (EDayViewMainItem *main_item)
{
    g_return_val_if_fail (E_IS_DAY_VIEW_MAIN_ITEM (main_item), NULL);

    return main_item->priv->day_view;
}

void
e_day_view_main_item_set_day_view (EDayViewMainItem *main_item,
                                   EDayView *day_view)
{
    g_return_if_fail (E_IS_DAY_VIEW_MAIN_ITEM (main_item));
    g_return_if_fail (E_IS_DAY_VIEW (day_view));

    if (main_item->priv->day_view == day_view)
        return;

    if (main_item->priv->day_view != NULL)
        g_object_unref (main_item->priv->day_view);

    main_item->priv->day_view = g_object_ref (day_view);

    g_object_notify (G_OBJECT (main_item), "day-view");
}