packages/0x.js/src/contract_wrappers

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * EDayView - displays the Day & Work-Week views of the calendar.
 *
 * 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>
 *      Rodrigo Moya <rodrigo@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "e-day-view.h"
#include "ea-calendar.h"

#include <math.h>
#include <time.h>
#include <gdk/gdkkeysyms.h>
#include <text/e-text.h>
#include <misc/e-canvas-utils.h>
#include <misc/e-popup-menu.h>
#include <e-util/e-unicode.h>
#include <libgnomecanvas/libgnomecanvas.h>
#include <glib/gi18n.h>
#include <e-util/e-categories-config.h>
#include <e-util/e-dialog-utils.h>
#include <e-util/e-selection.h>

#include <libecal/e-cal-time-util.h>
#include <libedataserver/e-data-server-util.h>
#include "dialogs/delete-comp.h"
#include "dialogs/delete-error.h"
#include "dialogs/send-comp.h"
#include "dialogs/cancel-comp.h"
#include "dialogs/recur-comp.h"
#include "print.h"
#include "comp-util.h"
#include "itip-utils.h"
#include "goto.h"
#include "e-cal-model-calendar.h"
#include "e-day-view-time-item.h"
#include "e-day-view-top-item.h"
#include "e-day-view-layout.h"
#include "e-day-view-main-item.h"
#include "misc.h"
#include <e-util/e-icon-factory.h>

/* The minimum amount of space wanted on each side of the date string. */
#define E_DAY_VIEW_DATE_X_PAD   4

#define E_DAY_VIEW_LARGE_FONT_PTSIZE 18
#define E_DAY_VIEW_SMALL_FONT_PTSIZE 10

/* The offset from the top/bottom of the canvas before auto-scrolling starts.*/
#define E_DAY_VIEW_AUTO_SCROLL_OFFSET   16

/* The time between each auto-scroll, in milliseconds. */
#define E_DAY_VIEW_AUTO_SCROLL_TIMEOUT  50

/* The number of timeouts we skip before we start scrolling. */
#define E_DAY_VIEW_AUTO_SCROLL_DELAY    5

/* The number of pixels the mouse has to be moved with the button down before
   we start a drag. */
#define E_DAY_VIEW_DRAG_START_OFFSET    4

/* The amount we scroll the main canvas when the Page Up/Down keys are pressed,
   as a fraction of the page size. */
#define E_DAY_VIEW_PAGE_STEP        0.5

/* The amount we scroll the main canvas when the mouse wheel buttons are
   pressed, as a fraction of the page size. */
#define E_DAY_VIEW_WHEEL_MOUSE_STEP_SIZE    0.25

/* The timeout before we do a layout, so we don't do a layout for each event
   we get from the server. */
#define E_DAY_VIEW_LAYOUT_TIMEOUT   100

/* How many rows can be shown at a top_canvas; there will be always + 2 for
   caption item and DnD space */
#define E_DAY_VIEW_MAX_ROWS_AT_TOP     6

typedef struct {
    EDayView *day_view;
    ECalModelComponent *comp_data;
} AddEventData;

/* Drag and Drop stuff. */
static GtkTargetEntry target_table[] = {
    { (gchar *) "application/x-e-calendar-event", 0, 0 }
};

static void e_day_view_dispose (GObject *object);
static void e_day_view_realize (GtkWidget *widget);
static void e_day_view_set_colors (EDayView *day_view, GtkWidget *widget);
static void e_day_view_unrealize (GtkWidget *widget);
static void e_day_view_style_set (GtkWidget *widget,
                  GtkStyle  *previous_style);
static void e_day_view_size_allocate (GtkWidget *widget,
                      GtkAllocation *allocation);
static gboolean e_day_view_update_scroll_regions (EDayView *day_view);
static gint e_day_view_focus_in (GtkWidget *widget,
                 GdkEventFocus *event);
static gint e_day_view_focus_out (GtkWidget *widget,
                  GdkEventFocus *event);
static gboolean e_day_view_key_press (GtkWidget *widget,
                      GdkEventKey *event);
static gboolean e_day_view_focus (GtkWidget *widget,
                  GtkDirectionType direction);
static gboolean e_day_view_get_next_tab_event (EDayView *day_view,
                           GtkDirectionType direction,
                           gint *day, gint *event_num);
static gboolean e_day_view_get_extreme_long_event (EDayView *day_view,
                           gboolean first,
                           gint *day_out,
                           gint *event_num_out);
static gboolean e_day_view_get_extreme_event (EDayView *day_view,
                          gint start_day,
                          gint end_day,
                          gboolean first,
                          gint *day_out,
                          gint *event_num_out);
static gboolean e_day_view_do_key_press (GtkWidget *widget,
                     GdkEventKey *event);
static gboolean e_day_view_popup_menu (GtkWidget *widget);
static GList *e_day_view_get_selected_events (ECalendarView *cal_view);
static gboolean e_day_view_get_selected_time_range (ECalendarView *cal_view, time_t *start_time, time_t *end_time);
static void e_day_view_set_selected_time_range (ECalendarView *cal_view, time_t start_time, time_t end_time);
static gboolean e_day_view_get_visible_time_range (ECalendarView *cal_view, time_t *start_time, time_t *end_time);
static void e_day_view_paste_text (ECalendarView *day_view);
static void e_day_view_update_query (EDayView *day_view);
static void e_day_view_goto_start_of_work_day (EDayView *day_view);
static void e_day_view_goto_end_of_work_day (EDayView *day_view);
static void e_day_view_change_duration_to_start_of_work_day (EDayView *day_view);
static void e_day_view_change_duration_to_end_of_work_day (EDayView *day_view);
static void e_day_view_cursor_key_up_shifted (EDayView *day_view,
                          GdkEventKey *event);
static void e_day_view_cursor_key_down_shifted (EDayView *day_view,
                        GdkEventKey *event);
static void e_day_view_cursor_key_left_shifted (EDayView *day_view,
                        GdkEventKey *event);
static void e_day_view_cursor_key_right_shifted (EDayView *day_view,
                         GdkEventKey *event);
static void e_day_view_cursor_key_up (EDayView *day_view,
                      GdkEventKey *event);
static void e_day_view_cursor_key_down (EDayView *day_view,
                    GdkEventKey *event);
static void e_day_view_cursor_key_left (EDayView *day_view,
                    GdkEventKey *event);
static void e_day_view_cursor_key_right (EDayView *day_view,
                     GdkEventKey *event);
static void e_day_view_scroll   (EDayView   *day_view,
                 gfloat      pages_to_scroll);

static void e_day_view_top_scroll (EDayView *day_view,
                   gfloat    pages_to_scroll);

static void e_day_view_update_top_scroll (EDayView *day_view, gboolean scroll_to_top);

static void e_day_view_on_canvas_realized (GtkWidget *widget,
                       EDayView *day_view);

static gboolean e_day_view_on_top_canvas_button_press (GtkWidget *widget,
                               GdkEventButton *event,
                               EDayView *day_view);
static gboolean e_day_view_on_top_canvas_button_release (GtkWidget *widget,
                             GdkEventButton *event,
                             EDayView *day_view);
static gboolean e_day_view_on_top_canvas_motion (GtkWidget *widget,
                         GdkEventMotion *event,
                         EDayView *day_view);

static gboolean e_day_view_on_main_canvas_button_press (GtkWidget *widget,
                            GdkEventButton *event,
                            EDayView *day_view);
static gboolean e_day_view_on_main_canvas_button_release (GtkWidget *widget,
                              GdkEventButton *event,
                              EDayView *day_view);

static gboolean e_day_view_on_top_canvas_scroll (GtkWidget *widget,
                         GdkEventScroll *scroll,
                         EDayView *day_view);

static gboolean e_day_view_on_main_canvas_scroll (GtkWidget *widget,
                          GdkEventScroll *scroll,
                          EDayView *day_view);
static gboolean e_day_view_on_time_canvas_scroll (GtkWidget *widget,
                          GdkEventScroll *scroll,
                          EDayView *day_view);
static gboolean e_day_view_on_main_canvas_motion (GtkWidget *widget,
                          GdkEventMotion *event,
                          EDayView *day_view);
static gboolean e_day_view_convert_event_coords (EDayView *day_view,
                         GdkEvent *event,
                         GdkWindow *window,
                         gint *x_return,
                         gint *y_return);
static void e_day_view_update_long_event_resize (EDayView *day_view,
                         gint day);
static void e_day_view_update_resize (EDayView *day_view,
                      gint row);
static void e_day_view_finish_long_event_resize (EDayView *day_view);
static void e_day_view_finish_resize (EDayView *day_view);
static void e_day_view_abort_resize (EDayView *day_view);

static gboolean e_day_view_on_long_event_button_press (EDayView     *day_view,
                               gint      event_num,
                               GdkEventButton   *event,
                               ECalendarViewPosition  pos,
                               gint      event_x,
                               gint      event_y);
static gboolean e_day_view_on_event_button_press (EDayView   *day_view,
                          gint        day,
                          gint        event_num,
                          GdkEventButton *event,
                          ECalendarViewPosition pos,
                          gint        event_x,
                          gint        event_y);
static void e_day_view_on_long_event_click (EDayView *day_view,
                        gint event_num,
                        GdkEventButton  *bevent,
                        ECalendarViewPosition pos,
                        gint         event_x,
                        gint         event_y);
static void e_day_view_on_event_click (EDayView *day_view,
                       gint day,
                       gint event_num,
                       GdkEventButton  *event,
                       ECalendarViewPosition pos,
                       gint     event_x,
                       gint     event_y);
static void e_day_view_on_event_double_click (EDayView *day_view,
                          gint day,
                          gint event_num);
static void e_day_view_on_event_right_click (EDayView *day_view,
                         GdkEventButton *bevent,
                         gint day,
                         gint event_num);
static void e_day_view_show_popup_menu (EDayView *day_view,
                    GdkEventButton *event,
                    gint day,
                    gint event_num);

static void e_day_view_recalc_day_starts (EDayView *day_view,
                      time_t start_time);
static void e_day_view_recalc_num_rows  (EDayView   *day_view);
static void e_day_view_recalc_cell_sizes    (EDayView   *day_view);

static ECalendarViewPosition e_day_view_convert_position_in_top_canvas (EDayView *day_view,
                                   gint x,
                                   gint y,
                                   gint *day_return,
                                   gint *event_num_return);
static ECalendarViewPosition e_day_view_convert_position_in_main_canvas (EDayView *day_view,
                                    gint x,
                                    gint y,
                                    gint *day_return,
                                    gint *row_return,
                                    gint *event_num_return);
static gboolean e_day_view_find_event_from_uid (EDayView *day_view,
                        ECal *client,
                        const gchar *uid,
                        const gchar *rid,
                        gint *day_return,
                        gint *event_num_return);

typedef gboolean (* EDayViewForeachEventCallback) (EDayView *day_view,
                           gint day,
                           gint event_num,
                           gpointer data);

static void e_day_view_foreach_event        (EDayView   *day_view,
                         EDayViewForeachEventCallback callback,
                         gpointer    data);
static void e_day_view_foreach_event_with_uid (EDayView *day_view,
                           const gchar *uid,
                           EDayViewForeachEventCallback callback,
                           gpointer data);

static void e_day_view_free_events (EDayView *day_view);
static void e_day_view_free_event_array (EDayView *day_view,
                     GArray *array);
static gint e_day_view_add_event (ECalComponent *comp,
                 time_t   start,
                 time_t   end,
                 gpointer data);
static void e_day_view_update_event_label (EDayView *day_view,
                       gint day,
                       gint event_num);
static void e_day_view_update_long_event_label (EDayView *day_view,
                        gint event_num);

static void e_day_view_reshape_long_events (EDayView *day_view);
static void e_day_view_reshape_long_event (EDayView *day_view,
                       gint event_num);
static void e_day_view_reshape_day_events (EDayView *day_view,
                       gint day);
static void e_day_view_reshape_day_event (EDayView *day_view,
                      gint  day,
                      gint  event_num);
static void e_day_view_reshape_main_canvas_resize_bars (EDayView *day_view);

static void e_day_view_ensure_events_sorted (EDayView *day_view);

static void e_day_view_start_editing_event (EDayView *day_view,
                        gint day,
                        gint event_num,
                        GdkEventKey *key_event);
static void e_day_view_stop_editing_event (EDayView *day_view);
static gboolean e_day_view_on_text_item_event (GnomeCanvasItem *item,
                           GdkEvent *event,
                           EDayView *day_view);
static gboolean e_day_view_event_move (ECalendarView *cal_view, ECalViewMoveDirection direction);
static void e_day_view_change_event_time (EDayView *day_view, time_t start_dt,
time_t end_dt);
static void e_day_view_change_event_end_time_up (EDayView *day_view);
static void e_day_view_change_event_end_time_down (EDayView *day_view);
static void e_day_view_on_editing_started (EDayView *day_view,
                       GnomeCanvasItem *item);
static void e_day_view_on_editing_stopped (EDayView *day_view,
                       GnomeCanvasItem *item);

static time_t e_day_view_convert_grid_position_to_time (EDayView *day_view,
                            gint col,
                            gint row);
static gboolean e_day_view_convert_time_to_grid_position (EDayView *day_view,
                              time_t time,
                              gint *col,
                              gint *row);

static void e_day_view_start_auto_scroll (EDayView *day_view,
                      gboolean scroll_up);
static gboolean e_day_view_auto_scroll_handler (gpointer data);

static gboolean e_day_view_on_top_canvas_drag_motion (GtkWidget      *widget,
                              GdkDragContext *context,
                              gint            x,
                              gint            y,
                              guint           time,
                              EDayView    *day_view);
static void e_day_view_update_top_canvas_drag (EDayView *day_view,
                           gint day);
static void e_day_view_reshape_top_canvas_drag_item (EDayView *day_view);
static gboolean e_day_view_on_main_canvas_drag_motion (GtkWidget      *widget,
                               GdkDragContext *context,
                               gint            x,
                               gint            y,
                               guint           time,
                               EDayView   *day_view);
static void e_day_view_reshape_main_canvas_drag_item (EDayView *day_view);
static void e_day_view_update_main_canvas_drag (EDayView *day_view,
                        gint row,
                        gint day);
static void e_day_view_on_top_canvas_drag_leave (GtkWidget      *widget,
                         GdkDragContext *context,
                         guint           time,
                         EDayView        *day_view);
static void e_day_view_on_main_canvas_drag_leave (GtkWidget      *widget,
                          GdkDragContext *context,
                          guint           time,
                          EDayView   *day_view);
static void e_day_view_on_drag_begin (GtkWidget      *widget,
                      GdkDragContext *context,
                      EDayView     *day_view);
static void e_day_view_on_drag_end (GtkWidget      *widget,
                    GdkDragContext *context,
                    EDayView       *day_view);
static void e_day_view_on_drag_data_get (GtkWidget          *widget,
                     GdkDragContext     *context,
                     GtkSelectionData   *selection_data,
                     guint               info,
                     guint               time,
                     EDayView       *day_view);
static void e_day_view_on_top_canvas_drag_data_received (GtkWidget  *widget,
                             GdkDragContext *context,
                             gint            x,
                             gint            y,
                             GtkSelectionData *data,
                             guint           info,
                             guint           time,
                             EDayView   *day_view);
static void e_day_view_on_main_canvas_drag_data_received (GtkWidget      *widget,
                              GdkDragContext *context,
                              gint            x,
                              gint            y,
                              GtkSelectionData *data,
                              guint           info,
                              guint           time,
                              EDayView   *day_view);

static gboolean e_day_view_remove_event_cb (EDayView *day_view,
                        gint day,
                        gint event_num,
                        gpointer data);
static void e_day_view_normalize_selection (EDayView *day_view);
static gboolean e_day_view_set_show_times_cb    (EDayView   *day_view,
                         gint        day,
                         gint        event_num,
                         gpointer    data);
static time_t e_day_view_find_work_week_start   (EDayView   *day_view,
                         time_t      start_time);
static void e_day_view_recalc_work_week     (EDayView   *day_view);
static void e_day_view_recalc_work_week_days_shown  (EDayView   *day_view);

static void e_day_view_queue_layout (EDayView *day_view);
static void e_day_view_cancel_layout (EDayView *day_view);
static gboolean e_day_view_layout_timeout_cb (gpointer data);

enum {
    PROP_0,
    PROP_MARCUS_BAINS_SHOW_LINE,
    PROP_MARCUS_BAINS_DAY_VIEW_COLOR,
    PROP_MARCUS_BAINS_TIME_BAR_COLOR,
    PROP_WORKING_DAYS
};

G_DEFINE_TYPE (EDayView, e_day_view, E_TYPE_CALENDAR_VIEW)

static void
day_view_notify_time_divisions_cb (EDayView *day_view)
{
    gint day;

    e_day_view_recalc_num_rows (day_view);

    /* If we aren't visible, we'll sort it out later. */
    if (!E_CALENDAR_VIEW (day_view)->in_focus) {
        e_day_view_free_events (day_view);
        day_view->requires_update = TRUE;
        return;
    }

    for (day = 0; day < E_DAY_VIEW_MAX_DAYS; day++)
        day_view->need_layout[day] = TRUE;

    /* We need to update all the day event labels since the start & end
       times may or may not be on row boundaries any more. */
    e_day_view_foreach_event (day_view,
                  e_day_view_set_show_times_cb, NULL);

    /* We must layout the events before updating the scroll region, since
       that will result in a redraw which would crash otherwise. */
    e_day_view_check_layout (day_view);
    gtk_widget_queue_draw (day_view->time_canvas);
    gtk_widget_queue_draw (day_view->main_canvas);

    e_day_view_update_scroll_regions (day_view);
}

static void
day_view_notify_week_start_day_cb (EDayView *day_view)
{
    /* XXX Write a EWorkWeekView subclass, like EMonthView. */

    if (day_view->work_week_view)
        e_day_view_recalc_work_week (day_view);
}

static void
day_view_set_property (GObject *object,
                       guint property_id,
                       const GValue *value,
                       GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_MARCUS_BAINS_SHOW_LINE:
            e_day_view_marcus_bains_set_show_line (
                E_DAY_VIEW (object),
                g_value_get_boolean (value));
            return;

        case PROP_MARCUS_BAINS_DAY_VIEW_COLOR:
            e_day_view_marcus_bains_set_day_view_color (
                E_DAY_VIEW (object),
                g_value_get_string (value));
            return;

        case PROP_MARCUS_BAINS_TIME_BAR_COLOR:
            e_day_view_marcus_bains_set_time_bar_color (
                E_DAY_VIEW (object),
                g_value_get_string (value));
            return;

        case PROP_WORKING_DAYS:
            e_day_view_set_working_days (
                E_DAY_VIEW (object),
                g_value_get_int (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
day_view_get_property (GObject *object,
                       guint property_id,
                       GValue *value,
                       GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_MARCUS_BAINS_SHOW_LINE:
            g_value_set_boolean (
                value,
                e_day_view_marcus_bains_get_show_line (
                E_DAY_VIEW (object)));
            return;

        case PROP_MARCUS_BAINS_DAY_VIEW_COLOR:
            g_value_set_string (
                value,
                e_day_view_marcus_bains_get_day_view_color (
                E_DAY_VIEW (object)));
            return;

        case PROP_MARCUS_BAINS_TIME_BAR_COLOR:
            g_value_set_string (
                value,
                e_day_view_marcus_bains_get_time_bar_color (
                E_DAY_VIEW (object)));
            return;

        case PROP_WORKING_DAYS:
            g_value_set_int (
                value,
                e_day_view_get_working_days (
                E_DAY_VIEW (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
day_view_constructed (GObject *object)
{
    EDayView *day_view;
    ECalModel *model;

    day_view = E_DAY_VIEW (object);

    /* Chain up to parent's constructed() method. */
    G_OBJECT_CLASS (e_day_view_parent_class)->constructed (object);

    model = e_calendar_view_get_model (E_CALENDAR_VIEW (day_view));

    g_signal_connect_swapped (
        model, "notify::time-divisions",
        G_CALLBACK (day_view_notify_time_divisions_cb), day_view);

    g_signal_connect_swapped (
        model, "notify::week-start-day",
        G_CALLBACK (day_view_notify_week_start_day_cb), day_view);

    g_signal_connect_swapped (
        model, "notify::work-day-start-hour",
        G_CALLBACK (gtk_widget_queue_draw), day_view->main_canvas);

    g_signal_connect_swapped (
        model, "notify::work-day-start-minute",
        G_CALLBACK (gtk_widget_queue_draw), day_view->main_canvas);

    g_signal_connect_swapped (
        model, "notify::work-day-end-hour",
        G_CALLBACK (gtk_widget_queue_draw), day_view->main_canvas);

    g_signal_connect_swapped (
        model, "notify::work-day-end-minute",
        G_CALLBACK (gtk_widget_queue_draw), day_view->main_canvas);
}

static void
e_day_view_class_init (EDayViewClass *class)
{
    GObjectClass *object_class;
    GtkWidgetClass *widget_class;
    ECalendarViewClass *view_class;

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = day_view_set_property;
    object_class->get_property = day_view_get_property;
    object_class->constructed = day_view_constructed;
    object_class->dispose = e_day_view_dispose;

    widget_class = GTK_WIDGET_CLASS (class);
    widget_class->realize = e_day_view_realize;
    widget_class->unrealize = e_day_view_unrealize;
    widget_class->style_set = e_day_view_style_set;
    widget_class->size_allocate = e_day_view_size_allocate;
    widget_class->focus_in_event = e_day_view_focus_in;
    widget_class->focus_out_event = e_day_view_focus_out;
    widget_class->key_press_event = e_day_view_key_press;
    widget_class->focus = e_day_view_focus;
    widget_class->popup_menu = e_day_view_popup_menu;

    view_class = E_CALENDAR_VIEW_CLASS (class);
    view_class->get_selected_events = e_day_view_get_selected_events;
    view_class->get_selected_time_range = e_day_view_get_selected_time_range;
    view_class->set_selected_time_range = e_day_view_set_selected_time_range;
    view_class->get_visible_time_range = e_day_view_get_visible_time_range;
    view_class->paste_text = e_day_view_paste_text;

    /* XXX Should these be constructor properties? */

    g_object_class_install_property (
        object_class,
        PROP_MARCUS_BAINS_SHOW_LINE,
        g_param_spec_boolean (
            "marcus-bains-show-line",
            "Marcus Bains Show Line",
            NULL,
            TRUE,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_MARCUS_BAINS_DAY_VIEW_COLOR,
        g_param_spec_string (
            "marcus-bains-day-view-color",
            "Marcus Bains Day View Color",
            NULL,
            NULL,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_MARCUS_BAINS_TIME_BAR_COLOR,
        g_param_spec_string (
            "marcus-bains-time-bar-color",
            "Marcus Bains Time Bar Color",
            NULL,
            NULL,
            G_PARAM_READWRITE));

    /* FIXME Make this a real GFlags type. */
    g_object_class_install_property (
        object_class,
        PROP_WORKING_DAYS,
        g_param_spec_int (
            "working-days",
            "Working Days",
            NULL,
            0x00,
            0x7f,
            0,
            G_PARAM_READWRITE));

    /* init the accessibility support for e_day_view */
    e_day_view_a11y_init ();
}

static void
time_range_changed_cb (ECalModel *model, time_t start_time, time_t end_time, gpointer user_data)
{
    EDayView *day_view = E_DAY_VIEW (user_data);
    EDayViewTimeItem *eti;
    time_t lower;

    g_return_if_fail (E_IS_DAY_VIEW (day_view));

    /* Calculate the first day that should be shown, based on start_time
       and the days_shown setting. If we are showing 1 day it is just the
       start of the day given by start_time, otherwise it is the previous
       work-week start day. */
    if (!day_view->work_week_view) {
        lower = time_day_begin_with_zone (start_time, e_calendar_view_get_timezone (E_CALENDAR_VIEW (day_view)));
    } else {
        lower = e_day_view_find_work_week_start (day_view, start_time);
    }

    /* See if we need to change the days shown. */
    if (lower != day_view->lower)
        e_day_view_recalc_day_starts (day_view, lower);

    if (!E_CALENDAR_VIEW (day_view)->in_focus) {
        e_day_view_free_events (day_view);
        day_view->requires_update = TRUE;
        return;
    }

    /* If we don't show the new selection, don't preserve it */
    if (day_view->selection_start_day == -1 || day_view->days_shown <= day_view->selection_start_day)
        e_day_view_set_selected_time_range (E_CALENDAR_VIEW (day_view), start_time, end_time);

    if (day_view->selection_start_row != -1)
        e_day_view_ensure_rows_visible (day_view, day_view->selection_start_row, day_view->selection_start_row);

    /* update the time canvas to show proper date in it */
    eti = E_DAY_VIEW_TIME_ITEM (day_view->time_canvas_item);
    if (eti && e_day_view_time_item_get_second_zone (eti))
        gtk_widget_queue_draw (day_view->time_canvas);
}

static void
process_component (EDayView *day_view, ECalModelComponent *comp_data)
{
    const gchar *uid;
    gchar *rid = NULL;
    ECalComponent *comp;
    AddEventData add_event_data;

    /* If our time hasn't been set yet, just return. */
    if (day_view->lower == 0 && day_view->upper == 0)
        return;

    comp = e_cal_component_new ();
    if (!e_cal_component_set_icalcomponent (comp, icalcomponent_new_clone (comp_data->icalcomp))) {
        g_object_unref (comp);

        g_message (G_STRLOC ": Could not set icalcomponent on ECalComponent");
        return;
    }

    e_cal_component_get_uid (comp, &uid);
    if (e_cal_component_is_instance (comp))
        rid = e_cal_component_get_recurid_as_string (comp);
    else
        rid = NULL;
    /* rid is never used below here, why? */

    /* Add the object */
    add_event_data.day_view = day_view;
    add_event_data.comp_data = comp_data;
    e_day_view_add_event (comp, comp_data->instance_start, comp_data->instance_end, &add_event_data);

    g_object_unref (comp);
    g_free (rid);
}

static void
update_row (EDayView *day_view, gint row)
{
    ECalModelComponent *comp_data;
    ECalModel *model;
    gint day, event_num;
    const gchar *uid = NULL;
    gchar *rid = NULL;

    e_day_view_stop_editing_event (day_view);

    model = e_calendar_view_get_model (E_CALENDAR_VIEW (day_view));
    comp_data = e_cal_model_get_component_at (model, row);
    g_return_if_fail (comp_data != NULL);

    uid = icalcomponent_get_uid (comp_data->icalcomp);
    if (e_cal_util_component_is_instance (comp_data->icalcomp)) {
        icalproperty *prop;

        prop = icalcomponent_get_first_property (comp_data->icalcomp, ICAL_RECURRENCEID_PROPERTY);
        if (prop)
            rid = icaltime_as_ical_string_r (icalcomponent_get_recurrenceid (comp_data->icalcomp));
    }

    if (e_day_view_find_event_from_uid (day_view, comp_data->client, uid, rid, &day, &event_num))
        e_day_view_remove_event_cb (day_view, day, event_num, NULL);

    g_free (rid);

    process_component (day_view, comp_data);

    gtk_widget_queue_draw (day_view->top_canvas);
    gtk_widget_queue_draw (day_view->main_canvas);
    e_day_view_queue_layout (day_view);
}

static void
model_row_changed_cb (ETableModel *etm, gint row, gpointer user_data)
{
    EDayView *day_view = E_DAY_VIEW (user_data);

    if (!E_CALENDAR_VIEW (day_view)->in_focus) {
        e_day_view_free_events (day_view);
        day_view->requires_update = TRUE;
        return;
    }

    update_row (day_view, row);
}

static void
model_cell_changed_cb (ETableModel *etm, gint col, gint row, gpointer user_data)
{
    EDayView *day_view = E_DAY_VIEW (user_data);

    if (!E_CALENDAR_VIEW (day_view)->in_focus) {
        e_day_view_free_events (day_view);
        day_view->requires_update = TRUE;
        return;
    }

    update_row (day_view, row);
}

static void
model_rows_inserted_cb (ETableModel *etm, gint row, gint count, gpointer user_data)
{
    EDayView *day_view = E_DAY_VIEW (user_data);
    ECalModel *model;
    gint i;

    if (!E_CALENDAR_VIEW (day_view)->in_focus) {
        e_day_view_free_events (day_view);
        day_view->requires_update = TRUE;
        return;
    }

    e_day_view_stop_editing_event (day_view);

    model = e_calendar_view_get_model (E_CALENDAR_VIEW (day_view));
    for (i = 0; i < count; i++) {
        ECalModelComponent *comp_data;

        comp_data = e_cal_model_get_component_at (model, row + i);
        if (comp_data == NULL) {
            g_warning ("comp_data is NULL\n");
            continue;
        }
        process_component (day_view, comp_data);
    }

    gtk_widget_queue_draw (day_view->top_canvas);
    gtk_widget_queue_draw (day_view->main_canvas);
    e_day_view_queue_layout (day_view);

}

static void
model_comps_deleted_cb (ETableModel *etm, gpointer data, gpointer user_data)
{
    EDayView *day_view = E_DAY_VIEW (user_data);
    GSList *l, *list = data;

    if (!E_CALENDAR_VIEW (day_view)->in_focus) {
        e_day_view_free_events (day_view);
        day_view->requires_update = TRUE;
        return;
    }

    e_day_view_stop_editing_event (day_view);

    for (l = list; l != NULL; l = g_slist_next (l)) {
        ECalModelComponent *comp_data = l->data;
        gint day, event_num;
        const gchar *uid = NULL;
        gchar *rid = NULL;

        uid = icalcomponent_get_uid (comp_data->icalcomp);
        if (e_cal_util_component_is_instance (comp_data->icalcomp)) {
            icalproperty *prop;

            prop = icalcomponent_get_first_property (comp_data->icalcomp, ICAL_RECURRENCEID_PROPERTY);
            if (prop)
                rid = icaltime_as_ical_string_r (icalcomponent_get_recurrenceid (comp_data->icalcomp));
        }

        if (e_day_view_find_event_from_uid (day_view, comp_data->client, uid, rid, &day, &event_num))
            e_day_view_remove_event_cb (day_view, day, event_num, NULL);

        g_free (rid);
    }

    gtk_widget_queue_draw (day_view->top_canvas);
    gtk_widget_queue_draw (day_view->main_canvas);
    e_day_view_queue_layout (day_view);
}

static void
timezone_changed_cb (ECalModel *cal_model, icaltimezone *old_zone,
             icaltimezone *new_zone, gpointer user_data)
{
    struct icaltimetype tt;
    time_t lower;
    EDayView *day_view = (EDayView *) user_data;
    ECalendarView *cal_view = (ECalendarView *) day_view;

    g_return_if_fail (E_IS_DAY_VIEW (day_view));

    if (!cal_view->in_focus) {
        e_day_view_free_events (day_view);
        day_view->requires_update = TRUE;
        return;
    }

    /* If our time hasn't been set yet, just return. */
    if (day_view->lower == 0 && day_view->upper == 0)
        return;

    /* Recalculate the new start of the first day. We just use exactly
       the same time, but with the new timezone. */
    tt = icaltime_from_timet_with_zone (day_view->lower, FALSE,
                        old_zone);

    lower = icaltime_as_timet_with_zone (tt, new_zone);

    e_day_view_recalc_day_starts (day_view, lower);
    e_day_view_update_query (day_view);
}

static void
e_day_view_init (EDayView *day_view)
{
    gint day;
    GnomeCanvasGroup *canvas_group;
    GtkAdjustment *adjustment;
    GtkScrollable *scrollable;
    GtkWidget *w;

    gtk_widget_set_can_focus (GTK_WIDGET (day_view), TRUE);

    day_view->long_events = g_array_new (FALSE, FALSE,
                         sizeof (EDayViewEvent));
    day_view->long_events_sorted = TRUE;
    day_view->long_events_need_layout = FALSE;
    day_view->long_events_need_reshape = FALSE;

    day_view->layout_timeout_id = 0;

    for (day = 0; day < E_DAY_VIEW_MAX_DAYS; day++) {
        day_view->events[day] = g_array_new (FALSE, FALSE,
                             sizeof (EDayViewEvent));
        day_view->events_sorted[day] = TRUE;
        day_view->need_layout[day] = FALSE;
        day_view->need_reshape[day] = FALSE;
    }

    /* These indicate that the times haven't been set. */
    day_view->lower = 0;
    day_view->upper = 0;

    day_view->work_week_view = FALSE;
    day_view->days_shown = 1;

    day_view->date_format = E_DAY_VIEW_DATE_FULL;
    day_view->rows_in_top_display = 0;

    /* Note that these don't work yet. It would need a few fixes to the
       way event->start_minute and event->end_minute are used, and there
       may be problems with events that go outside the visible times. */
    day_view->first_hour_shown = 0;
    day_view->first_minute_shown = 0;
    day_view->last_hour_shown = 24;
    day_view->last_minute_shown = 0;

    e_day_view_recalc_num_rows (day_view);

    day_view->working_days = E_DAY_VIEW_MONDAY | E_DAY_VIEW_TUESDAY
        | E_DAY_VIEW_WEDNESDAY | E_DAY_VIEW_THURSDAY
        | E_DAY_VIEW_FRIDAY;

    day_view->show_event_end_times = TRUE;
    day_view->scroll_to_work_day = TRUE;

    day_view->marcus_bains_show_line = TRUE;
    day_view->marcus_bains_day_view_color = NULL;
    day_view->marcus_bains_time_bar_color = NULL;

    day_view->editing_event_day = -1;
    day_view->editing_event_num = -1;

    day_view->resize_event_num = -1;
    day_view->resize_bars_event_day = -1;
    day_view->resize_bars_event_num = -1;

    day_view->last_edited_comp_string = NULL;

    day_view->selection_start_row = -1;
    day_view->selection_start_day = -1;
    day_view->selection_end_row = -1;
    day_view->selection_end_day = -1;
    day_view->selection_is_being_dragged = FALSE;
    day_view->selection_drag_pos = E_DAY_VIEW_DRAG_END;
    day_view->selection_in_top_canvas = FALSE;
    day_view->drag_event_day = -1;
    day_view->drag_event_num = -1;
    day_view->resize_drag_pos = E_CALENDAR_VIEW_POS_NONE;

    day_view->pressed_event_day = -1;

    day_view->drag_event_day = -1;
    day_view->drag_last_day = -1;

    day_view->auto_scroll_timeout_id = 0;

    day_view->large_font_desc = NULL;
    day_view->small_font_desc = NULL;

    /* String to use in 12-hour time format for times in the morning. */
    day_view->am_string = _("am");

    /* String to use in 12-hour time format for times in the afternoon. */
    day_view->pm_string = _("pm");

    day_view->bc_event_time = 0;
    day_view->before_click_dtstart = 0;
    day_view->before_click_dtend = 0;

    day_view->week_number_label = gtk_label_new ("");
    gtk_table_attach (GTK_TABLE (day_view), day_view->week_number_label, 0, 1, 0, 1, GTK_FILL, GTK_FILL, 0, 0);

    /*
     * Top Canvas
     */
    w = gtk_vbox_new (FALSE, 0);

    day_view->top_dates_canvas = e_canvas_new ();
    gtk_box_pack_start (GTK_BOX (w), day_view->top_dates_canvas, TRUE, TRUE, 0);
    day_view->top_canvas = e_canvas_new ();
    gtk_box_pack_end (GTK_BOX (w), day_view->top_canvas, TRUE, TRUE, 0);

    gtk_table_attach (GTK_TABLE (day_view), w,
              1, 2, 0, 1, GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);
    gtk_widget_show_all (w);

    g_signal_connect_after (day_view->top_canvas, "button_press_event",
                G_CALLBACK (e_day_view_on_top_canvas_button_press), day_view);
    g_signal_connect (day_view->top_canvas, "button_release_event",
              G_CALLBACK (e_day_view_on_top_canvas_button_release), day_view);
    g_signal_connect (day_view->top_canvas, "scroll_event",
              G_CALLBACK (e_day_view_on_top_canvas_scroll), day_view);
    g_signal_connect (day_view->top_canvas, "motion_notify_event",
              G_CALLBACK (e_day_view_on_top_canvas_motion), day_view);
    g_signal_connect (day_view->top_canvas, "drag_motion",
              G_CALLBACK (e_day_view_on_top_canvas_drag_motion), day_view);
    g_signal_connect (day_view->top_canvas, "drag_leave",
              G_CALLBACK (e_day_view_on_top_canvas_drag_leave), day_view);

    g_signal_connect (day_view->top_canvas, "drag_begin",
              G_CALLBACK (e_day_view_on_drag_begin), day_view);
    g_signal_connect (day_view->top_canvas, "drag_end",
              G_CALLBACK (e_day_view_on_drag_end), day_view);
    g_signal_connect (day_view->top_canvas, "drag_data_get",
              G_CALLBACK (e_day_view_on_drag_data_get), day_view);
    g_signal_connect (day_view->top_canvas, "drag_data_received",
              G_CALLBACK (e_day_view_on_top_canvas_drag_data_received), day_view);

    canvas_group = GNOME_CANVAS_GROUP (GNOME_CANVAS (day_view->top_dates_canvas)->root);

    day_view->top_dates_canvas_item =
        gnome_canvas_item_new (canvas_group,
                       e_day_view_top_item_get_type (),
                       "EDayViewTopItem::day_view", day_view,
                       "EDayViewTopItem::show_dates", TRUE,
                       NULL);
    gtk_widget_set_size_request (day_view->top_dates_canvas, -1, day_view->top_row_height);

    canvas_group = GNOME_CANVAS_GROUP (GNOME_CANVAS (day_view->top_canvas)->root);

    day_view->top_canvas_item =
        gnome_canvas_item_new (canvas_group,
                       e_day_view_top_item_get_type (),
                       "EDayViewTopItem::day_view", day_view,
                       "EDayViewTopItem::show_dates", FALSE,
                       NULL);

    day_view->drag_long_event_rect_item =
        gnome_canvas_item_new (canvas_group,
                       gnome_canvas_rect_get_type (),
                       "line_width", 1.0,
                       NULL);
    gnome_canvas_item_hide (day_view->drag_long_event_rect_item);

    day_view->drag_long_event_item =
        gnome_canvas_item_new (canvas_group,
                       e_text_get_type (),
                       "line_wrap", TRUE,
                       "clip", TRUE,
                       "max_lines", 1,
                       "editable", TRUE,
                       "draw_background", FALSE,
                       "fill_color_rgba", GNOME_CANVAS_COLOR(0, 0, 0),
                       NULL);
    gnome_canvas_item_hide (day_view->drag_long_event_item);

    /*
     * Main Canvas
     */
    day_view->main_canvas = e_canvas_new ();
    gtk_table_attach (GTK_TABLE (day_view), day_view->main_canvas,
              1, 2, 1, 2,
              GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
    gtk_widget_show (day_view->main_canvas);
    g_signal_connect (day_view->main_canvas, "realize",
              G_CALLBACK (e_day_view_on_canvas_realized), day_view);

    g_signal_connect (day_view->main_canvas,
              "button_press_event",
              G_CALLBACK (e_day_view_on_main_canvas_button_press),
              day_view);
    g_signal_connect (day_view->main_canvas,
              "button_release_event",
              G_CALLBACK (e_day_view_on_main_canvas_button_release),
              day_view);
    g_signal_connect (day_view->main_canvas,
              "scroll_event",
              G_CALLBACK (e_day_view_on_main_canvas_scroll),
              day_view);
    g_signal_connect (day_view->main_canvas,
              "motion_notify_event",
              G_CALLBACK (e_day_view_on_main_canvas_motion),
              day_view);
    g_signal_connect (day_view->main_canvas,
              "drag_motion",
              G_CALLBACK (e_day_view_on_main_canvas_drag_motion),
              day_view);
    g_signal_connect (day_view->main_canvas,
              "drag_leave",
              G_CALLBACK (e_day_view_on_main_canvas_drag_leave),
              day_view);

    g_signal_connect (day_view->main_canvas, "drag_begin",
              G_CALLBACK (e_day_view_on_drag_begin), day_view);
    g_signal_connect (day_view->main_canvas, "drag_end",
              G_CALLBACK (e_day_view_on_drag_end), day_view);
    g_signal_connect (day_view->main_canvas, "drag_data_get",
              G_CALLBACK (e_day_view_on_drag_data_get), day_view);
    g_signal_connect (day_view->main_canvas, "drag_data_received",
              G_CALLBACK (e_day_view_on_main_canvas_drag_data_received), day_view);

    canvas_group = GNOME_CANVAS_GROUP (GNOME_CANVAS (day_view->main_canvas)->root);

    day_view->main_canvas_item =
        gnome_canvas_item_new (canvas_group,
                       e_day_view_main_item_get_type (),
                       "EDayViewMainItem::day_view", day_view,
                       NULL);

    day_view->drag_rect_item =
        gnome_canvas_item_new (canvas_group,
                       gnome_canvas_rect_get_type (),
                       "line_width", 1.0,
                       NULL);
    gnome_canvas_item_hide (day_view->drag_rect_item);

    day_view->drag_bar_item =
        gnome_canvas_item_new (canvas_group,
                       gnome_canvas_rect_get_type (),
                       "line_width", 1.0,
                       NULL);
    gnome_canvas_item_hide (day_view->drag_bar_item);

    day_view->drag_item =
        gnome_canvas_item_new (canvas_group,
                       e_text_get_type (),
                       "line_wrap", TRUE,
                       "clip", TRUE,
                       "editable", TRUE,
                       "draw_background", FALSE,
                       "fill_color_rgba", GNOME_CANVAS_COLOR(0, 0, 0),
                       NULL);
    gnome_canvas_item_hide (day_view->drag_item);

    /*
     * Times Canvas
     */
    day_view->time_canvas = e_canvas_new ();
    scrollable = GTK_SCROLLABLE (day_view->main_canvas);
    adjustment = gtk_scrollable_get_vadjustment (scrollable);
    scrollable = GTK_SCROLLABLE (day_view->time_canvas);
    gtk_scrollable_set_vadjustment (scrollable, adjustment);
    gtk_table_attach (GTK_TABLE (day_view), day_view->time_canvas,
              0, 1, 1, 2,
              GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
    gtk_widget_show (day_view->time_canvas);
    g_signal_connect_after (day_view->time_canvas, "scroll_event",
                G_CALLBACK (e_day_view_on_time_canvas_scroll), day_view);

    canvas_group = GNOME_CANVAS_GROUP (GNOME_CANVAS (day_view->time_canvas)->root);

    day_view->time_canvas_item =
        gnome_canvas_item_new (canvas_group,
                       e_day_view_time_item_get_type (),
                       "EDayViewTimeItem::day_view", day_view,
                       NULL);

    /*
     * Scrollbar.
     */
    scrollable = GTK_SCROLLABLE (day_view->main_canvas);
    adjustment = gtk_scrollable_get_hadjustment (scrollable);
    day_view->mc_hscrollbar = gtk_hscrollbar_new (adjustment);
    gtk_table_attach (GTK_TABLE (day_view), day_view->mc_hscrollbar, 1, 2, 2, 3, GTK_FILL, 0, 0, 0);
    gtk_widget_show (day_view->mc_hscrollbar);

    scrollable = GTK_SCROLLABLE (day_view->top_canvas);
    adjustment = gtk_scrollable_get_vadjustment (scrollable);
    day_view->tc_vscrollbar = gtk_vscrollbar_new (adjustment);
    gtk_table_attach (GTK_TABLE (day_view), day_view->tc_vscrollbar,
              2, 3, 0, 1, 0, GTK_FILL, 0, 0);
    /* gtk_widget_show (day_view->tc_vscrollbar); */

    scrollable = GTK_SCROLLABLE (day_view->main_canvas);
    adjustment = gtk_scrollable_get_vadjustment (scrollable);
    day_view->vscrollbar = gtk_vscrollbar_new (adjustment);
    gtk_table_attach (GTK_TABLE (day_view), day_view->vscrollbar,
              2, 3, 1, 2, 0, GTK_EXPAND | GTK_FILL, 0, 0);
    gtk_widget_show (day_view->vscrollbar);

    /* Create the cursors. */
    day_view->normal_cursor = gdk_cursor_new (GDK_LEFT_PTR);
    day_view->move_cursor = gdk_cursor_new (GDK_FLEUR);
    day_view->resize_width_cursor = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW);
    day_view->resize_height_cursor = gdk_cursor_new (GDK_SB_V_DOUBLE_ARROW);
    day_view->last_cursor_set_in_top_canvas = NULL;
    day_view->last_cursor_set_in_main_canvas = NULL;

    /* Set up the drop sites. */
    gtk_drag_dest_set (
        day_view->top_canvas, GTK_DEST_DEFAULT_ALL,
        target_table, G_N_ELEMENTS (target_table),
        GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_ASK);

    e_drag_dest_add_calendar_targets (day_view->top_canvas);

    gtk_drag_dest_set (
        day_view->main_canvas, GTK_DEST_DEFAULT_ALL,
        target_table, G_N_ELEMENTS (target_table),
        GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_ASK);

    e_drag_dest_add_calendar_targets (day_view->main_canvas);

    day_view->requires_update = FALSE;
}

static void
init_model (EDayView *day_view, ECalModel *model)
{
    /* connect to ECalModel's signals */
    g_signal_connect (G_OBJECT (model), "time_range_changed",
              G_CALLBACK (time_range_changed_cb), day_view);
    g_signal_connect (G_OBJECT (model), "model_row_changed",
              G_CALLBACK (model_row_changed_cb), day_view);
    g_signal_connect (G_OBJECT (model), "model_cell_changed",
              G_CALLBACK (model_cell_changed_cb), day_view);
    g_signal_connect (G_OBJECT (model), "model_rows_inserted",
              G_CALLBACK (model_rows_inserted_cb), day_view);
    g_signal_connect (G_OBJECT (model), "comps_deleted",
              G_CALLBACK (model_comps_deleted_cb), day_view);
    g_signal_connect (G_OBJECT (model), "timezone_changed",
              G_CALLBACK (timezone_changed_cb), day_view);
}

/* Turn off the background of the canvas windows. This reduces flicker
   considerably when scrolling. (Why isn't it in GnomeCanvas?). */
static void
e_day_view_on_canvas_realized (GtkWidget *widget,
                   EDayView *day_view)
{
    GdkWindow *window;

    window = gtk_layout_get_bin_window (GTK_LAYOUT (widget));
    gdk_window_set_background_pattern (window, NULL);
}

/**
 * e_day_view_new:
 * @Returns: a new #EDayView.
 *
 * Creates a new #EDayView.
 **/
ECalendarView *
e_day_view_new (ECalModel *model)
{
    ECalendarView *day_view;

    g_return_val_if_fail (E_IS_CAL_MODEL (model), NULL);

    day_view = g_object_new (E_TYPE_DAY_VIEW, "model", model, NULL);
    init_model (E_DAY_VIEW (day_view), model);

    return day_view;
}

static void
e_day_view_dispose (GObject *object)
{
    EDayView *day_view;
    gint day;

    day_view = E_DAY_VIEW (object);

    e_day_view_cancel_layout (day_view);

    e_day_view_stop_auto_scroll (day_view);

    if (day_view->large_font_desc) {
        pango_font_description_free (day_view->large_font_desc);
        day_view->large_font_desc = NULL;
    }

    if (day_view->small_font_desc) {
        pango_font_description_free (day_view->small_font_desc);
        day_view->small_font_desc = NULL;
    }

    if (day_view->normal_cursor) {
        g_object_unref (day_view->normal_cursor);
        day_view->normal_cursor = NULL;
    }
    if (day_view->move_cursor) {
        g_object_unref (day_view->move_cursor);
        day_view->move_cursor = NULL;
    }
    if (day_view->resize_width_cursor) {
        g_object_unref (day_view->resize_width_cursor);
        day_view->resize_width_cursor = NULL;
    }
    if (day_view->resize_height_cursor) {
        g_object_unref (day_view->resize_height_cursor);
        day_view->resize_height_cursor = NULL;
    }

    if (day_view->long_events) {
        e_day_view_free_events (day_view);
        g_array_free (day_view->long_events, TRUE);
        day_view->long_events = NULL;
    }

    for (day = 0; day < E_DAY_VIEW_MAX_DAYS; day++) {
        if (day_view->events[day]) {
            g_array_free (day_view->events[day], TRUE);
            day_view->events[day] = NULL;
        }
    }

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

static void
e_day_view_realize (GtkWidget *widget)
{
    EDayView *day_view;

    if (GTK_WIDGET_CLASS (e_day_view_parent_class)->realize)
        (*GTK_WIDGET_CLASS (e_day_view_parent_class)->realize)(widget);

    day_view = E_DAY_VIEW (widget);

    /* Allocate the colors. */

    e_day_view_set_colors (day_view, widget);

    /* Create the pixmaps. */
    day_view->reminder_icon = e_icon_factory_get_icon ("stock_bell", GTK_ICON_SIZE_MENU);
    day_view->recurrence_icon = e_icon_factory_get_icon ("view-refresh", GTK_ICON_SIZE_MENU);
    day_view->timezone_icon = e_icon_factory_get_icon ("stock_timezone", GTK_ICON_SIZE_MENU);
    day_view->meeting_icon = e_icon_factory_get_icon ("stock_people", GTK_ICON_SIZE_MENU);
    day_view->attach_icon = e_icon_factory_get_icon ("mail-attachment", GTK_ICON_SIZE_MENU);

    /* Set the canvas item colors. */
    gnome_canvas_item_set (day_view->drag_long_event_rect_item,
                   "fill_color_gdk", &day_view->colors[E_DAY_VIEW_COLOR_EVENT_BACKGROUND],
                   "outline_color_gdk", &day_view->colors[E_DAY_VIEW_COLOR_EVENT_BORDER],
                   NULL);

    gnome_canvas_item_set (day_view->drag_rect_item,
                   "fill_color_gdk", &day_view->colors[E_DAY_VIEW_COLOR_EVENT_BACKGROUND],
                   "outline_color_gdk", &day_view->colors[E_DAY_VIEW_COLOR_EVENT_BORDER],
                   NULL);

    gnome_canvas_item_set (day_view->drag_bar_item,
                   "fill_color_gdk", &day_view->colors[E_DAY_VIEW_COLOR_EVENT_VBAR],
                   "outline_color_gdk", &day_view->colors[E_DAY_VIEW_COLOR_EVENT_BORDER],
                   NULL);
}

static void
e_day_view_set_colors (EDayView *day_view, GtkWidget *widget)
{
    GtkStyle *style;

    style = gtk_widget_get_style (widget);

    day_view->colors[E_DAY_VIEW_COLOR_BG_WORKING] = style->base[GTK_STATE_NORMAL];
    day_view->colors[E_DAY_VIEW_COLOR_BG_NOT_WORKING] = style->bg[GTK_STATE_ACTIVE];
    day_view->colors[E_DAY_VIEW_COLOR_BG_SELECTED] = style->base[GTK_STATE_SELECTED];
    day_view->colors[E_DAY_VIEW_COLOR_BG_SELECTED_UNFOCUSSED] = style->bg[GTK_STATE_SELECTED];
    day_view->colors[E_DAY_VIEW_COLOR_BG_GRID] = style->dark[GTK_STATE_NORMAL];
    day_view->colors[E_DAY_VIEW_COLOR_BG_MULTIDAY_TODAY] = get_today_background (day_view->colors[E_DAY_VIEW_COLOR_BG_WORKING]);
    day_view->colors[E_DAY_VIEW_COLOR_BG_TOP_CANVAS] = style->dark[GTK_STATE_NORMAL];
    day_view->colors[E_DAY_VIEW_COLOR_BG_TOP_CANVAS_SELECTED] = style->bg[GTK_STATE_SELECTED];
    day_view->colors[E_DAY_VIEW_COLOR_BG_TOP_CANVAS_GRID] = style->light[GTK_STATE_NORMAL];
    day_view->colors[E_DAY_VIEW_COLOR_EVENT_VBAR] = style->base[GTK_STATE_SELECTED];
    day_view->colors[E_DAY_VIEW_COLOR_EVENT_BACKGROUND] = style->base[GTK_STATE_NORMAL];
    day_view->colors[E_DAY_VIEW_COLOR_EVENT_BORDER] = style->dark[GTK_STATE_NORMAL];
    day_view->colors[E_DAY_VIEW_COLOR_LONG_EVENT_BACKGROUND] = style->bg[GTK_STATE_ACTIVE];
    day_view->colors[E_DAY_VIEW_COLOR_LONG_EVENT_BORDER] = style->dark[GTK_STATE_NORMAL];
    day_view->colors[E_DAY_VIEW_COLOR_MARCUS_BAINS_LINE] = style->dark[GTK_STATE_PRELIGHT];
}

static void
e_day_view_unrealize (GtkWidget *widget)
{
    EDayView *day_view;

    day_view = E_DAY_VIEW (widget);

    g_object_unref (day_view->reminder_icon);
    day_view->reminder_icon = NULL;
    g_object_unref (day_view->recurrence_icon);
    day_view->recurrence_icon = NULL;
    g_object_unref (day_view->timezone_icon);
    day_view->timezone_icon = NULL;
    g_object_unref (day_view->meeting_icon);
    day_view->meeting_icon = NULL;
    g_object_unref (day_view->attach_icon);
    day_view->attach_icon = NULL;

    if (GTK_WIDGET_CLASS (e_day_view_parent_class)->unrealize)
        (*GTK_WIDGET_CLASS (e_day_view_parent_class)->unrealize)(widget);
}

static GdkColor
e_day_view_get_text_color (EDayView *day_view, EDayViewEvent *event, GtkWidget *widget)
{
    GtkStyle *style;
    GdkColor bg_color;
    guint16 red, green, blue;
    gdouble cc = 65535.0;

    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 (is_comp_data_valid (event) && 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;
    }

    style = gtk_widget_get_style (widget);

    if ((red/cc > 0.7) || (green/cc > 0.7) || (blue/cc > 0.7 ))
        return style->black;
    else
        return style->white;
}

static void
e_day_view_update_top_scroll (EDayView *day_view, gboolean scroll_to_top)
{
    GtkAllocation allocation;
    gint top_rows, top_canvas_height;
    gdouble old_x2, old_y2, new_x2, new_y2;

    /* Set the height of the top canvas based on the row height and the
       number of rows needed (min 1 + 1 for the dates + 1 space for DnD).*/
    top_rows = MAX (1, day_view->rows_in_top_display);
    top_canvas_height = (top_rows + 1) * day_view->top_row_height;
    if (top_rows <= E_DAY_VIEW_MAX_ROWS_AT_TOP) {
        gtk_widget_set_size_request (day_view->top_canvas, -1, top_canvas_height);
        gtk_widget_hide (day_view->tc_vscrollbar);
    } else {
        gtk_widget_set_size_request (day_view->top_canvas, -1, (E_DAY_VIEW_MAX_ROWS_AT_TOP + 1) * day_view->top_row_height);
        gtk_widget_show (day_view->tc_vscrollbar);
    }

    /* Set the scroll region of the top canvas */
    gnome_canvas_get_scroll_region (GNOME_CANVAS (day_view->top_canvas),
                    NULL, NULL, &old_x2, &old_y2);
    gtk_widget_get_allocation (day_view->top_canvas, &allocation);
    new_x2 = allocation.width - 1;
    new_y2 = (MAX (1, day_view->rows_in_top_display) + 1) * day_view->top_row_height - 1;
    if (old_x2 != new_x2 || old_y2 != new_y2) {
        gnome_canvas_set_scroll_region (GNOME_CANVAS (day_view->top_canvas),
                        0, 0, new_x2, new_y2);

        if (scroll_to_top)
            gnome_canvas_scroll_to (GNOME_CANVAS (day_view->top_canvas), 0, 0);
    }
    new_y2 = day_view->top_row_height - 1 - 2;
    gnome_canvas_get_scroll_region (GNOME_CANVAS (day_view->top_dates_canvas), NULL, NULL, &old_x2, &old_y2);

    if (old_x2 != new_x2 || old_y2 != new_y2) {
        gnome_canvas_set_scroll_region (GNOME_CANVAS (day_view->top_dates_canvas), 0, 0, new_x2, new_y2);
        gnome_canvas_scroll_to (GNOME_CANVAS (day_view->top_dates_canvas), 0, 0);
    }
}

static void
e_day_view_style_set (GtkWidget *widget,
              GtkStyle  *previous_style)
{
    EDayView *day_view;
    gint hour;
    gint minute, max_minute_width, i;
    gint month, day, width;
    gint longest_month_width, longest_abbreviated_month_width;
    gint longest_weekday_width, longest_abbreviated_weekday_width;
    gchar buffer[128];
    const gchar *name;
    gint times_width;
    PangoFontDescription *font_desc;
    PangoContext *pango_context;
    PangoFontMetrics *font_metrics;
    PangoLayout *layout;
    gint week_day, event_num;
    GtkAdjustment *adjustment;
    EDayViewEvent *event;
    GdkColor color;

    if (GTK_WIDGET_CLASS (e_day_view_parent_class)->style_set)
        (*GTK_WIDGET_CLASS (e_day_view_parent_class)->style_set)(widget, previous_style);

    day_view = E_DAY_VIEW (widget);
    e_day_view_set_colors (day_view, widget);

    for (week_day = 0; week_day < E_DAY_VIEW_MAX_DAYS; week_day++) {
        for (event_num = 0; event_num < day_view->events[week_day]->len; event_num++) {
            event = &g_array_index (day_view->events[week_day], EDayViewEvent, event_num);
            if (event->canvas_item) {
                color = e_day_view_get_text_color (day_view, event, widget);
                gnome_canvas_item_set (event->canvas_item,
                        "fill_color_gdk", &color,
                        NULL);
            }
        }
    }
    for (event_num = 0; event_num < day_view->long_events->len; event_num++) {
        event = &g_array_index (day_view->long_events, EDayViewEvent, event_num);
        if (event->canvas_item) {
            color = e_day_view_get_text_color (day_view, event, widget);
            gnome_canvas_item_set (event->canvas_item,
                    "fill_color_gdk", &color,
                    NULL);
        }
    }

    /* Set up Pango prerequisites */
    font_desc = gtk_widget_get_style (widget)->font_desc;
    pango_context = gtk_widget_get_pango_context (widget);
    font_metrics = pango_context_get_metrics (pango_context, font_desc,
                          pango_context_get_language (pango_context));
    layout = pango_layout_new (pango_context);

    /* Create the large font. */
    if (day_view->large_font_desc != NULL)
        pango_font_description_free (day_view->large_font_desc);

    day_view->large_font_desc = pango_font_description_copy (font_desc);
    pango_font_description_set_size (day_view->large_font_desc,
                     E_DAY_VIEW_LARGE_FONT_PTSIZE * PANGO_SCALE);

    /* Create the small fonts. */
    if (day_view->small_font_desc != NULL)
        pango_font_description_free (day_view->small_font_desc);

    day_view->small_font_desc = pango_font_description_copy (font_desc);
    pango_font_description_set_size (day_view->small_font_desc,
                     E_DAY_VIEW_SMALL_FONT_PTSIZE * PANGO_SCALE);

    /* Recalculate the height of each row based on the font size. */
    day_view->row_height =
        PANGO_PIXELS (pango_font_metrics_get_ascent (font_metrics)) +
        PANGO_PIXELS (pango_font_metrics_get_descent (font_metrics)) +
        E_DAY_VIEW_EVENT_BORDER_HEIGHT + E_DAY_VIEW_EVENT_Y_PAD * 2 + 2 /* FIXME */;
    day_view->row_height =
        MAX (day_view->row_height,
        E_DAY_VIEW_ICON_HEIGHT + E_DAY_VIEW_ICON_Y_PAD + 2);

    adjustment = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (day_view->main_canvas));
    gtk_adjustment_set_step_increment (adjustment, day_view->row_height);

    day_view->top_row_height =
        PANGO_PIXELS (pango_font_metrics_get_ascent (font_metrics)) +
        PANGO_PIXELS (pango_font_metrics_get_descent (font_metrics)) +
        E_DAY_VIEW_LONG_EVENT_BORDER_HEIGHT * 2 + E_DAY_VIEW_LONG_EVENT_Y_PAD * 2 +
        E_DAY_VIEW_TOP_CANVAS_Y_GAP;
    day_view->top_row_height =
        MAX (day_view->top_row_height,
        E_DAY_VIEW_ICON_HEIGHT + E_DAY_VIEW_ICON_Y_PAD + 2 +
        E_DAY_VIEW_TOP_CANVAS_Y_GAP);

    adjustment = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (day_view->top_canvas));
    gtk_adjustment_set_step_increment (adjustment, day_view->top_row_height);
    gtk_widget_set_size_request (day_view->top_dates_canvas, -1, day_view->top_row_height - 2);

    e_day_view_update_top_scroll (day_view, TRUE);

    /* Find the longest full & abbreviated month names. */
    longest_month_width = 0;
    longest_abbreviated_month_width = 0;
    for (month = 0; month < 12; month++) {
        name = e_get_month_name (month + 1, FALSE);
        pango_layout_set_text (layout, name, -1);
        pango_layout_get_pixel_size (layout, &width, NULL);

        if (width > longest_month_width) {
            longest_month_width = width;
            day_view->longest_month_name = month;
        }

        name = e_get_month_name (month + 1, TRUE);
        pango_layout_set_text (layout, name, -1);
        pango_layout_get_pixel_size (layout, &width, NULL);

        if (width > longest_abbreviated_month_width) {
            longest_abbreviated_month_width = width;
            day_view->longest_abbreviated_month_name = month;
        }
    }

    /* Find the longest full & abbreviated weekday names. */
    longest_weekday_width = 0;
    longest_abbreviated_weekday_width = 0;
    for (day = 0; day < 7; day++) {
        name = e_get_weekday_name (day + 1, FALSE);
        pango_layout_set_text (layout, name, -1);
        pango_layout_get_pixel_size (layout, &width, NULL);

        if (width > longest_weekday_width) {
            longest_weekday_width = width;
            day_view->longest_weekday_name = day;
        }

        name = e_get_weekday_name (day + 1, TRUE);
        pango_layout_set_text (layout, name, -1);
        pango_layout_get_pixel_size (layout, &width, NULL);

        if (width > longest_abbreviated_weekday_width) {
            longest_abbreviated_weekday_width = width;
            day_view->longest_abbreviated_weekday_name = day;
        }
    }

    /* Calculate the widths of all the time strings necessary. */
    day_view->max_small_hour_width = 0;
    for (hour = 0; hour < 24; hour++) {
        g_snprintf (buffer, sizeof (buffer), "%02i", hour);
        pango_layout_set_text (layout, buffer, -1);
        pango_layout_get_pixel_size (layout, &day_view->small_hour_widths[hour], NULL);

        day_view->max_small_hour_width = MAX (day_view->max_small_hour_width, day_view->small_hour_widths[hour]);
    }

    max_minute_width = 0;
    for (minute = 0, i = 0; minute < 60; minute += 5, i++) {
        gint minute_width;

        g_snprintf (buffer, sizeof (buffer), "%02i", minute);
        pango_layout_set_text (layout, buffer, -1);
        pango_layout_get_pixel_size (layout, &minute_width, NULL);

        max_minute_width = MAX (max_minute_width, minute_width);
    }
    day_view->max_minute_width = max_minute_width;

    pango_layout_set_text (layout, ":", 1);
    pango_layout_get_pixel_size (layout, &day_view->colon_width, NULL);
    pango_layout_set_text (layout, "0", 1);
    pango_layout_get_pixel_size (layout, &day_view->digit_width, NULL);

    pango_layout_set_text (layout, day_view->am_string, -1);
    pango_layout_get_pixel_size (layout, &day_view->am_string_width, NULL);
    pango_layout_set_text (layout, day_view->pm_string, -1);
    pango_layout_get_pixel_size (layout, &day_view->pm_string_width, NULL);

    /* Calculate the width of the time column. */
    times_width = e_day_view_time_item_get_column_width (E_DAY_VIEW_TIME_ITEM (day_view->time_canvas_item));
    gtk_widget_set_size_request (day_view->time_canvas, times_width, -1);

    g_object_unref (layout);
    pango_font_metrics_unref (font_metrics);
}

static void
e_day_view_recalc_main_canvas_size (EDayView *day_view)
{
    ECalModel *model;
    gint work_day_start_hour;
    gint work_day_start_minute;
    gint day, scroll_y;
    gboolean need_reshape;

    model = e_calendar_view_get_model (E_CALENDAR_VIEW (day_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);

    /* Set the scroll region of the top canvas */
    e_day_view_update_top_scroll (day_view, TRUE);

    need_reshape = e_day_view_update_scroll_regions (day_view);

    e_day_view_recalc_cell_sizes (day_view);

    /* Scroll to the start of the working day, if this is the initial
       allocation. */
    if (day_view->scroll_to_work_day) {
        scroll_y = e_day_view_convert_time_to_position (
            day_view, work_day_start_hour, work_day_start_minute);
        gnome_canvas_scroll_to (GNOME_CANVAS (day_view->main_canvas),
                    0, scroll_y);
        day_view->scroll_to_work_day = FALSE;
    }

    /* Flag that we need to reshape the events. Note that changes in height
       don't matter, since the rows are always the same height. */
    if (need_reshape) {
        day_view->long_events_need_reshape = TRUE;
        for (day = 0; day < E_DAY_VIEW_MAX_DAYS; day++)
            day_view->need_reshape[day] = TRUE;

        e_day_view_check_layout (day_view);
    }
}

/* This recalculates the sizes of each column. */
static void
e_day_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
{
#if 0
    g_print ("In e_day_view_size_allocate\n");
#endif
    (*GTK_WIDGET_CLASS (e_day_view_parent_class)->size_allocate) (widget, allocation);

    e_day_view_recalc_main_canvas_size (E_DAY_VIEW (widget));
}

static void
e_day_view_recalc_cell_sizes    (EDayView   *day_view)
{
    /* An array of dates, one for each month in the year 2000. They must
       all be Sundays. */
    static const gint days[12] = { 23, 20, 19, 23, 21, 18,
                      23, 20, 17, 22, 19, 24 };
    gfloat width, offset;
    gint day, max_width;
    struct tm date_tm;
    gchar buffer[128];
    GtkAllocation allocation;
    PangoContext *pango_context;
    PangoLayout *layout;
    gint pango_width;

    g_return_if_fail (gtk_widget_get_style (GTK_WIDGET (day_view)) != NULL);

    gtk_widget_get_allocation (day_view->main_canvas, &allocation);

    /* Set up Pango prerequisites */
    pango_context = gtk_widget_get_pango_context (GTK_WIDGET (day_view));
    layout = pango_layout_new (pango_context);

    /* Calculate the column sizes, using floating point so that pixels
       get divided evenly. Note that we use one more element than the
       number of columns, to make it easy to get the column widths. */
    width = allocation.width;
    if (day_view->days_shown == 1)
        width = MAX (width, day_view->max_cols * (E_DAY_VIEW_MIN_DAY_COL_WIDTH + E_DAY_VIEW_GAP_WIDTH) - E_DAY_VIEW_MIN_DAY_COL_WIDTH - 1);
    width /= day_view->days_shown;
    offset = 0;
    for (day = 0; day <= day_view->days_shown; day++) {
        day_view->day_offsets[day] = floor (offset + 0.5);
        offset += width;
    }

    /* Calculate the days widths based on the offsets. */
    for (day = 0; day < day_view->days_shown; day++) {
        day_view->day_widths[day] = day_view->day_offsets[day + 1] - day_view->day_offsets[day];
    }

    /* Determine which date format to use, based on the column widths.
       We want to check the widths using the longest full or abbreviated
       month name and the longest full or abbreviated weekday name, as
       appropriate. */
    max_width = day_view->day_widths[0];

    memset (&date_tm, 0, sizeof (date_tm));
    date_tm.tm_year = 100;

    /* Try "Thursday 21 January". */
    date_tm.tm_mon = day_view->longest_month_name;
    date_tm.tm_mday = days[date_tm.tm_mon]
        + day_view->longest_weekday_name;
    date_tm.tm_wday = day_view->longest_weekday_name;
    date_tm.tm_isdst = -1;
    /* strftime format %A = full weekday name, %d = day of month,
       %B = full month name. Don't use any other specifiers. */
    e_utf8_strftime (buffer, sizeof (buffer), _("%A %d %B"), &date_tm);
    pango_layout_set_text (layout, buffer, -1);
    pango_layout_get_pixel_size (layout, &pango_width, NULL);

    if (pango_width < max_width) {
        day_view->date_format = E_DAY_VIEW_DATE_FULL;
        goto exit;
    }

    /* Try "Thu 21 Jan". */
    date_tm.tm_mon = day_view->longest_abbreviated_month_name;
    date_tm.tm_mday = days[date_tm.tm_mon]
        + day_view->longest_abbreviated_weekday_name;
    date_tm.tm_wday = day_view->longest_abbreviated_weekday_name;
    date_tm.tm_isdst = -1;
    /* strftime format %a = abbreviated weekday name, %d = day of month,
       %b = abbreviated month name. Don't use any other specifiers. */
    e_utf8_strftime (buffer, sizeof (buffer), _("%a %d %b"), &date_tm);
    pango_layout_set_text (layout, buffer, -1);
    pango_layout_get_pixel_size (layout, &pango_width, NULL);

    if (pango_width < max_width) {
        day_view->date_format = E_DAY_VIEW_DATE_ABBREVIATED;
        goto exit;
    }

    /* Try "23 Jan". */
    date_tm.tm_mon = day_view->longest_abbreviated_month_name;
    date_tm.tm_mday = 23;
    date_tm.tm_wday = 0;
    date_tm.tm_isdst = -1;
    /* strftime format %d = day of month, %b = abbreviated month name.
       Don't use any other specifiers. */
    e_utf8_strftime (buffer, sizeof (buffer), _("%d %b"), &date_tm);
    pango_layout_set_text (layout, buffer, -1);
    pango_layout_get_pixel_size (layout, &pango_width, NULL);

    if (pango_width < max_width)
        day_view->date_format = E_DAY_VIEW_DATE_NO_WEEKDAY;
    else
        day_view->date_format = E_DAY_VIEW_DATE_SHORT;

exit:
    g_object_unref (layout);
}

static gint
e_day_view_focus_in (GtkWidget *widget, GdkEventFocus *event)
{
    EDayView *day_view;

    g_return_val_if_fail (widget != NULL, FALSE);
    g_return_val_if_fail (E_IS_DAY_VIEW (widget), FALSE);
    g_return_val_if_fail (event != NULL, FALSE);

    day_view = E_DAY_VIEW (widget);

    /* XXX Can't access flags directly anymore, but is it really needed?
     *     If so, could we call gtk_widget_send_focus_change() instead? */
#if 0
    GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
#endif

    if (E_CALENDAR_VIEW (day_view)->in_focus && day_view->requires_update) {
        time_t my_start = 0, my_end = 0, model_start = 0, model_end = 0;

        day_view->requires_update = FALSE;

        e_cal_model_get_time_range (e_calendar_view_get_model (E_CALENDAR_VIEW (day_view)), &model_start, &model_end);

        if (e_calendar_view_get_visible_time_range (E_CALENDAR_VIEW (day_view), &my_start, &my_end) &&
            model_start == my_start && model_end == my_end) {
            /* update only when the same time range is set in a view and in a model;
               otherwise time range change invokes also query update */
            e_day_view_recalc_day_starts (day_view, day_view->lower);
            e_day_view_update_query (day_view);
        }
    }

    gtk_widget_queue_draw (day_view->top_canvas);
    gtk_widget_queue_draw (day_view->main_canvas);

    return FALSE;
}

static gint
e_day_view_focus_out (GtkWidget *widget, GdkEventFocus *event)
{
    EDayView *day_view;

    g_return_val_if_fail (widget != NULL, FALSE);
    g_return_val_if_fail (E_IS_DAY_VIEW (widget), FALSE);
    g_return_val_if_fail (event != NULL, FALSE);

    day_view = E_DAY_VIEW (widget);

    /* XXX Can't access flags directly anymore, but is it really needed?
     *     If so, could we call gtk_widget_send_focus_change() instead? */
#if 0
    GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
#endif

    gtk_widget_queue_draw (day_view->top_canvas);
    gtk_widget_queue_draw (day_view->main_canvas);

    return FALSE;
}

/* This calls a given function for each event instance (in both views).
   If the callback returns FALSE the iteration is stopped.
   Note that it is safe for the callback to remove the event (since we
   step backwards through the arrays). */
static void
e_day_view_foreach_event        (EDayView   *day_view,
                     EDayViewForeachEventCallback callback,
                     gpointer    data)
{
    gint day, event_num;

    for (day = 0; day < day_view->days_shown; day++) {
        for (event_num = day_view->events[day]->len - 1;
             event_num >= 0;
             event_num--) {
            if (!(*callback) (day_view, day, event_num, data))
                return;
        }
    }

    for (event_num = day_view->long_events->len - 1;
         event_num >= 0;
         event_num--) {
        if (!(*callback) (day_view, E_DAY_VIEW_LONG_EVENT, event_num,
                  data))
            return;
    }
}

/* This calls a given function for each event instance that matches the given
   uid. If the callback returns FALSE the iteration is stopped.
   Note that it is safe for the callback to remove the event (since we
   step backwards through the arrays). */
static void
e_day_view_foreach_event_with_uid (EDayView *day_view,
                   const gchar *uid,
                   EDayViewForeachEventCallback callback,
                   gpointer data)
{
    EDayViewEvent *event;
    gint day, event_num;
    const gchar *u;

    for (day = 0; day < day_view->days_shown; day++) {
        for (event_num = day_view->events[day]->len - 1;
             event_num >= 0;
             event_num--) {
            event = &g_array_index (day_view->events[day],
                        EDayViewEvent, event_num);

            if (!is_comp_data_valid (event))
                continue;

            u = icalcomponent_get_uid (event->comp_data->icalcomp);
            if (uid && !strcmp (uid, u)) {
                if (!(*callback) (day_view, day, event_num, data))
                    return;
            }
        }
    }

    for (event_num = day_view->long_events->len - 1;
         event_num >= 0;
         event_num--) {
        event = &g_array_index (day_view->long_events,
                    EDayViewEvent, event_num);

        if (!is_comp_data_valid (event))
            continue;

        u = icalcomponent_get_uid (event->comp_data->icalcomp);
        if (u && !strcmp (uid, u)) {
            if (!(*callback) (day_view, E_DAY_VIEW_LONG_EVENT, event_num, data))
                return;
        }
    }
}

static gboolean
e_day_view_remove_event_cb (EDayView *day_view,
                gint day,
                gint event_num,
                gpointer data)
{
    EDayViewEvent *event;

#if 0
    g_print ("In e_day_view_remove_event_cb day:%i event_num:%i\n",
         day, event_num);
#endif

    if (day == E_DAY_VIEW_LONG_EVENT) {
        if (!is_array_index_in_bounds (day_view->long_events, event_num))
            return TRUE;

        event = &g_array_index (day_view->long_events,
                    EDayViewEvent, event_num);
    } else {
        if (!is_array_index_in_bounds (day_view->events[day], event_num))
            return TRUE;

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

    if (!event)
        return TRUE;

    /* If we were editing this event, set editing_event_day to -1 so
       on_editing_stopped doesn't try to update the event. */
    if (day_view->editing_event_num == event_num && day_view->editing_event_day == day) {
        day_view->editing_event_num = -1;
        day_view->editing_event_day = -1;
    }

    if (day_view->popup_event_num == event_num && day_view->popup_event_day == day) {
        day_view->popup_event_num = -1;
        day_view->popup_event_day = -1;
    }

    if (event->canvas_item)
        g_object_run_dispose (G_OBJECT (event->canvas_item));

    if (is_comp_data_valid (event))
        g_object_unref (event->comp_data);
    event->comp_data = NULL;

    if (day == E_DAY_VIEW_LONG_EVENT) {
        g_array_remove_index (day_view->long_events, event_num);
        day_view->long_events_need_layout = TRUE;
        gtk_widget_grab_focus (GTK_WIDGET (day_view->top_canvas));
    } else {
        g_array_remove_index (day_view->events[day], event_num);
        day_view->need_layout[day] = TRUE;
        gtk_widget_grab_focus (GTK_WIDGET (day_view->main_canvas));
    }
    return TRUE;
}

/* Checks if the users participation status is NEEDS-ACTION and shows the summary as bold text */
static void
set_text_as_bold (EDayViewEvent *event)
{
    ECalComponent *comp;
    GSList *attendees = NULL, *l;
    gchar *address;
    ECalComponentAttendee *at = NULL;

    if (!is_comp_data_valid (event))
        return;

    comp = e_cal_component_new ();
    e_cal_component_set_icalcomponent (comp, icalcomponent_new_clone (event->comp_data->icalcomp));
    address = itip_get_comp_attendee (comp, event->comp_data->client);
    e_cal_component_get_attendee_list (comp, &attendees);
    for (l = attendees; l; l = l->next) {
        ECalComponentAttendee *attendee = l->data;

        if ((g_str_equal (itip_strip_mailto (attendee->value), address))
         || (attendee->sentby && g_str_equal (itip_strip_mailto (attendee->sentby), address))) {
            at = attendee;
            break;
        }
    }

    /* The attendee has not yet accepted the meeting, display the summary as bolded.
       If the attendee is not present, it might have come through a mailing list.
       In that case, we never show the meeting as bold even if it is unaccepted. */
    if (at && (at->status == ICAL_PARTSTAT_NEEDSACTION))
        gnome_canvas_item_set (event->canvas_item, "bold", TRUE, NULL);

    e_cal_component_free_attendee_list (attendees);
    g_free (address);
    g_object_unref (comp);
}

/* This updates the text shown for an event. If the event start or end do not
   lie on a row boundary, the time is displayed before the summary. */
static void
e_day_view_update_event_label (EDayView *day_view,
                   gint day,
                   gint event_num)
{
    EDayViewEvent *event;
    ECalendarView *cal_view;
    gboolean free_text = FALSE, editing_event = FALSE, short_event = FALSE;
    const gchar *summary;
    gchar *text;
    gint time_divisions;
    gint interval;

    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 the event isn't visible just return. */
    if (!event->canvas_item || !is_comp_data_valid (event))
        return;

    summary = icalcomponent_get_summary (event->comp_data->icalcomp);
    text = summary ? (gchar *) summary : (gchar *) "";

    if (day_view->editing_event_day == day
        && day_view->editing_event_num == event_num)
        editing_event = TRUE;

    interval = event->end_minute - event->start_minute;

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

    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 (!editing_event) {
        if (!short_event) {
            const gchar *location = icalcomponent_get_location (event->comp_data->icalcomp);

            if (location && *location)
                text = g_strdup_printf (" \n%s%c(%s)", text, day_view->days_shown == 1 ? ' ' : '\n', location);
            else
                text = g_strdup_printf (" \n%s", text);

            free_text = TRUE;
        }
    }

    gnome_canvas_item_set (event->canvas_item,
                   "text", text,
                   NULL);

    if (e_cal_get_static_capability (event->comp_data->client, CAL_STATIC_CAPABILITY_HAS_UNACCEPTED_MEETING)
                && e_cal_util_component_has_attendee (event->comp_data->icalcomp))
        set_text_as_bold (event);

    if (free_text)
        g_free (text);
}

static void
e_day_view_update_long_event_label (EDayView *day_view,
                    gint      event_num)
{
    EDayViewEvent *event;
    const gchar *summary;
    gboolean free_text = FALSE;

    if (!is_array_index_in_bounds (day_view->long_events, event_num))
        return;

    event = &g_array_index (day_view->long_events, EDayViewEvent,
                event_num);

    /* If the event isn't visible just return. */
    if (!event->canvas_item || !is_comp_data_valid (event))
        return;

    summary = e_calendar_view_get_icalcomponent_summary (event->comp_data->client, event->comp_data->icalcomp, &free_text);

    gnome_canvas_item_set (event->canvas_item,
                   "text", summary ? summary : "",
                   NULL);

    if (free_text)
        g_free ((gchar *) summary);

    if (e_cal_get_static_capability (event->comp_data->client, CAL_STATIC_CAPABILITY_HAS_UNACCEPTED_MEETING)
                && e_cal_util_component_has_attendee (event->comp_data->icalcomp))
        set_text_as_bold (event);
}

/* Finds the day and index of the event with the given canvas item.
   If is is a long event, -1 is returned as the day.
   Returns TRUE if the event was found. */
gboolean
e_day_view_find_event_from_item (EDayView *day_view,
                 GnomeCanvasItem *item,
                 gint *day_return,
                 gint *event_num_return)
{
    EDayViewEvent *event;
    gint day, event_num;

    for (day = 0; day < day_view->days_shown; 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 (event->canvas_item == item) {
                *day_return = day;
                *event_num_return = event_num;
                return TRUE;
            }
        }
    }

    for (event_num = 0; event_num < day_view->long_events->len;
         event_num++) {
        event = &g_array_index (day_view->long_events,
                    EDayViewEvent, event_num);
        if (event->canvas_item == item) {
            *day_return = E_DAY_VIEW_LONG_EVENT;
            *event_num_return = event_num;
            return TRUE;
        }
    }

    return FALSE;
}

/* Finds the day and index of the event with the given uid.
   If is is a long event, E_DAY_VIEW_LONG_EVENT is returned as the day.
   Returns TRUE if an event with the uid was found.
   Note that for recurring events there may be several EDayViewEvents, one
   for each instance, all with the same iCalObject and uid. So only use this
   function if you know the event doesn't recur or you are just checking to
   see if any events with the uid exist. */
static gboolean
e_day_view_find_event_from_uid (EDayView *day_view,
                ECal *client,
                const gchar *uid,
                const gchar *rid,
                gint *day_return,
                gint *event_num_return)
{
    EDayViewEvent *event;
    gint day, event_num;
    const gchar *u;
    gchar *r = NULL;

    if (!uid)
        return FALSE;

    for (day = 0; day < day_view->days_shown; 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;

            if (event->comp_data->client != client)
                continue;

            u = icalcomponent_get_uid (event->comp_data->icalcomp);
            if (u && !strcmp (uid, u)) {
                if (rid && *rid) {
                    r = icaltime_as_ical_string_r (icalcomponent_get_recurrenceid (event->comp_data->icalcomp));
                    if (!r || !*r)
	Commit message (Expand)	Author	Age	Files	Lines
*	Make some callbacks failable and add error handling	Leonid Logvinov	2018-01-11	1	-12/+12
*	Fix callback types	Leonid Logvinov	2018-01-10	1	-1/+1
*	Include web3 types via typeRoots and factor out common parts of tsconfig.json	Leonid Logvinov	2018-01-10	1	-0/+3
*	Fix linter errors	Leonid Logvinov	2018-01-04	3	-3/+3
*	Use configured version of bignumber in all packages	Leonid Logvinov	2018-01-04	3	-3/+3
*	Apply prettier config	Leonid Logvinov	2018-01-03	6	-230/+437
*	Fix linter issue	Leonid Logvinov	2017-12-20	1	-1/+0
*	Add WETH9 tests	Leonid Logvinov	2017-12-20	1	-1/+1
*	Fix WETH events watching	Leonid Logvinov	2017-12-20	1	-1/+1
*	Init the _etherTokenContractsByAddress	Leonid Logvinov	2017-12-20	1	-1/+1
*	Add EtherToken events to the ABI	Leonid Logvinov	2017-12-20	1	-2/+2
*	Enable multiple EtherTokenContract instances	Leonid Logvinov	2017-12-20	1	-4/+9
*	Add etherToken.getLogsAsync and etherToken.subscribe with tests	Leonid Logvinov	2017-12-20	1	-3/+71
*	Throw a better error message when taker is null\|undefined or anything but not...	Leonid Logvinov	2017-12-19	1	-7/+7
*	Fix comments	Leonid Logvinov	2017-12-19	2	-2/+2
*	Fix linter issues	Leonid Logvinov	2017-12-19	1	-2/+2
*	Rename SubscriptionOpts to BlockRange	Leonid Logvinov	2017-12-19	3	-13/+13
*	Modify the etherToken wrapper methods to accept an etherTokenAddress as the f...	Fabio Berger	2017-12-17	1	-28/+13
*	Fix documentation issue where `unsubscribeAll` shown as method on every contr...	Fabio Berger	2017-12-17	3	-4/+13
*	Fix 0x.js unused vars	Leonid Logvinov	2017-12-15	4	-10/+2
*	Add DummyToken to gitignore	Leonid Logvinov	2017-12-14	1	-0/+1
*	Move shared types to types package	Leonid Logvinov	2017-12-14	1	-2/+1
*	Move more shared utils into utils package and reuse them	Leonid Logvinov	2017-12-14	1	-1/+1
*	Remove generated contracts and ignore them. Add a prebuild command to regener...	Leonid Logvinov	2017-12-14	6	-2160/+5
*	Rename blockAndLogStreamer to blockAndLogStreamerIfExists	Leonid Logvinov	2017-12-12	1	-14/+18
*	Refactor networkId out of web3Wrapper	Leonid Logvinov	2017-12-08	6	-16/+17
*	Refactor web3Wrapper to a separate package	Leonid Logvinov	2017-12-07	11	-14/+37
*	Regenerate files	Leonid Logvinov	2017-12-06	5	-5/+5
*	Rename abi-gen to typed-contracts	Leonid Logvinov	2017-12-06	5	-10/+10
*	Remove TODOs	Leonid Logvinov	2017-12-05	1	-2/+0
*	Fix a typo	Leonid Logvinov	2017-12-05	1	-1/+1
*	Update comment	Leonid Logvinov	2017-12-02	5	-5/+5
*	Add comments before generated contracts	Leonid Logvinov	2017-12-02	5	-0/+20
*	Adjust 0x.js to use generated wrappers	Leonid Logvinov	2017-12-02	6	-15/+31
*	Add generated contract wrappers	Leonid Logvinov	2017-12-02	6	-0/+2176
*	Fix defaults for shouldValidate	Leonid Logvinov	2017-11-28	1	-7/+21
*	Add an initializer for txOpts in etherToken	Leonid Logvinov	2017-11-28	1	-2/+6
*	Add option config for gasPrice and gasLimit for every transaction sending method	Leonid Logvinov	2017-11-28	3	-130/+64
*	Fix merge conflicts	Leonid Logvinov	2017-11-28	2	-5/+5
*	Merge branch 'development' into feature/passNetworkId	Leonid	2017-11-28	1	-12/+12
\|\
\| *	Merge branch 'development' into validateOrdersAgainstLatestBlock	Fabio Berger	2017-11-24	1	-7/+7
\| \|\
\| * \|	Pass 'latest' to ExchangeTransferSimulator when used for validating orders, a...	Fabio Berger	2017-11-24	1	-8/+9
* \| \|	Pass networkId on provider update	Leonid Logvinov	2017-11-24	2	-2/+2
* \| \|	Reuse the protected function to get contract address	Leonid Logvinov	2017-11-24	1	-10/+2
* \| \|	Move variable declaration inside the if	Leonid Logvinov	2017-11-24	1	-0/+12
* \| \|	Refactor getContractAddress to contractWrapper	Leonid Logvinov	2017-11-24	5	-41/+17
* \| \|	Fix the imports order	Leonid Logvinov	2017-11-24	1	-9/+6
* \| \|	Enable some new linter rules and fix the issues	Leonid Logvinov	2017-11-24	2	-19/+19
* \| \|	Auto-fix linter errors	Leonid Logvinov	2017-11-24	6	-59/+70
* \| \|	Fix linter issues	Leonid Logvinov	2017-11-24	1	-1/+1
* \| \|	Await block reconcilation	Leonid Logvinov	2017-11-24	1	-1/+1
* \| \|	Remove even more asyncs	Leonid Logvinov	2017-11-24	3	-17/+31
* \| \|	Make zeroEx.tokenRegistry.getContractAddress non-async	Leonid Logvinov	2017-11-24	1	-5/+12
* \| \|	Make exchange subscriptions non-async	Leonid Logvinov	2017-11-24	1	-2/+2
* \| \|	Make zeroEx.exchange.getContractAddress non-async	Leonid Logvinov	2017-11-24	1	-6/+13
* \| \|	Make getZRXTokenAddress non async	Leonid Logvinov	2017-11-24	2	-14/+22
\| \|/ \|/\|
* \|	Rename removed to isRemoved	Leonid Logvinov	2017-11-24	1	-6/+6
* \|	Make DecodedLogEvent contain web3 log under a log subkey	Leonid Logvinov	2017-11-24	1	-1/+1
\|/
*	Merge branch 'development' into feature/addJsonSchemas	Brandon Millman	2017-11-15	1	-2/+2
\|\
\| *	Renamed canceled to cancelled	Jacob Evans	2017-11-14	1	-2/+2
* \|	Add json-schemas package to mono repo	Brandon Millman	2017-11-14	2	-2/+2
\|/
*	Add interface type	Fabio Berger	2017-11-14	1	-2/+6
*	Declare as string	Fabio Berger	2017-11-14	1	-1/+1
*	Fix lint and ts issues	Fabio Berger	2017-11-14	1	-1/+1
*	Switch over to Lerna + Yarn Workspaces setup for a mono-repo approach	Fabio Berger	2017-11-13	6	-0/+1600