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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:
 *      Rodrigo Moya <rodrigo@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifndef E_CALENDAR_VIEW_H
#define E_CALENDAR_VIEW_H

#include <gtk/gtk.h>
#include <libecal/e-cal.h>
#include "e-cal-model.h"
#include "gnome-cal.h"
#include "dialogs/comp-editor.h"

/* Standard GObject macros */
#define E_TYPE_CALENDAR_VIEW \
    (e_calendar_view_get_type ())
#define E_CALENDAR_VIEW(obj) \
    (G_TYPE_CHECK_INSTANCE_CAST \
    ((obj), E_TYPE_CALENDAR_VIEW, ECalendarView))
#define E_CALENDAR_VIEW_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_CAST \
    ((cls), E_TYPE_CALENDAR_VIEW, ECalendarViewClass))
#define E_IS_CALENDAR_VIEW(obj) \
    (G_TYPE_CHECK_INSTANCE_TYPE \
    ((obj), E_TYPE_CALENDAR_VIEW))
#define E_IS_CALENDAR_VIEW_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_TYPE \
    ((cls), E_TYPE_CALENDAR_VIEW))
#define E_CALENDAR_VIEW_GET_CLASS(obj) \
    (G_TYPE_INSTANCE_GET_CLASS \
    ((obj), E_TYPE_CALENDAR_VIEW, ECalendarViewClass))

G_BEGIN_DECLS

typedef enum {
    E_CALENDAR_VIEW_POS_OUTSIDE,
    E_CALENDAR_VIEW_POS_NONE,
    E_CALENDAR_VIEW_POS_EVENT,
    E_CALENDAR_VIEW_POS_LEFT_EDGE,
    E_CALENDAR_VIEW_POS_RIGHT_EDGE,
    E_CALENDAR_VIEW_POS_TOP_EDGE,
    E_CALENDAR_VIEW_POS_BOTTOM_EDGE
} ECalendarViewPosition;

typedef enum {
    E_CAL_VIEW_MOVE_UP,
    E_CAL_VIEW_MOVE_DOWN,
    E_CAL_VIEW_MOVE_LEFT,
    E_CAL_VIEW_MOVE_RIGHT,
    E_CAL_VIEW_MOVE_PAGE_UP,
    E_CAL_VIEW_MOVE_PAGE_DOWN
} ECalViewMoveDirection;

#define E_CALENDAR_VIEW_EVENT_FIELDS \
    GnomeCanvasItem *canvas_item; \
    ECalModelComponent *comp_data; \
    time_t start; \
    time_t end; \
    guint16 start_minute; \
    guint16 end_minute; \
    guint different_timezone : 1; \
    gboolean is_editable;   \
    GtkWidget *tooltip; \
    gint    timeout; \
    GdkColor *color; \
    gint x,y;

typedef struct {
    E_CALENDAR_VIEW_EVENT_FIELDS
} ECalendarViewEvent;

/* checks if event->comp_data is not NULL, returns FALSE when it is and prints a warning on a console */
gboolean is_comp_data_valid_func (ECalendarViewEvent *event, const gchar *location);
#define is_comp_data_valid(_event) is_comp_data_valid_func ((ECalendarViewEvent *) (_event), G_STRFUNC)

/* checks if index is within bounds for the array; returns FALSE when not, and prints a warning on a console */
gboolean is_array_index_in_bounds_func (GArray *array, gint index, const gchar *location);
#define is_array_index_in_bounds(_array, _index) is_array_index_in_bounds_func (_array, _index, G_STRFUNC)

typedef struct _ECalendarView ECalendarView;
typedef struct _ECalendarViewClass ECalendarViewClass;
typedef struct _ECalendarViewPrivate ECalendarViewPrivate;

struct _ECalendarView {
    GtkTable parent;
    gboolean in_focus;
    ECalendarViewPrivate *priv;
};

typedef struct {
    ECalendarViewEvent * (*get_view_event)  (ECalendarView *view,
                         gint day,
                         gint event_num);
    ECalendarView *cal_view;
    gint day;
    gint event_num;
} ECalendarViewEventData;

struct _ECalendarViewClass {
    GtkTableClass parent_class;

    /* Notification signals */
    void        (*popup_event)      (ECalendarView *cal_view,
                         GdkEventButton *event);
    void        (*selection_changed)    (ECalendarView *cal_view);
    void        (*selected_time_changed)(ECalendarView *cal_view);
    void        (*timezone_changed) (ECalendarView *cal_view,
                         icaltimezone *old_zone,
                         icaltimezone *new_zone);
    void        (*event_changed)    (ECalendarView *day_view,
                         ECalendarViewEvent *event);
    void        (*event_added)      (ECalendarView *day_view,
                         ECalendarViewEvent *event);
    void        (*user_created)     (ECalendarView *cal_view);

    /* Virtual methods */
    GList *     (*get_selected_events)  (ECalendarView *cal_view);
    gboolean    (*get_selected_time_range)
                        (ECalendarView *cal_view,
                         time_t *start_time,
                         time_t *end_time);
    void        (*set_selected_time_range)
                        (ECalendarView *cal_view,
                         time_t start_time,
                         time_t end_time);
    gboolean    (*get_visible_time_range)
                        (ECalendarView *cal_view,
                         time_t *start_time,
                         time_t *end_time);
    void        (*update_query)     (ECalendarView *cal_view);
    void        (*open_event)       (ECalendarView *cal_view);
    void        (*paste_text)       (ECalendarView *cal_view);
};

GType       e_calendar_view_get_type    (void);
GnomeCalendar * e_calendar_view_get_calendar    (ECalendarView *cal_view);
void        e_calendar_view_set_calendar    (ECalendarView *cal_view,
                         GnomeCalendar *calendar);
ECalModel * e_calendar_view_get_model   (ECalendarView *cal_view);
icaltimezone *  e_calendar_view_get_timezone    (ECalendarView *cal_view);
void        e_calendar_view_set_timezone    (ECalendarView *cal_view,
                         icaltimezone *zone);
const gchar *   e_calendar_view_get_default_category
                        (ECalendarView *cal_view);
void        e_calendar_view_set_default_category
                        (ECalendarView *cal_view,
                         const gchar *category);
void        e_calendar_view_set_status_message
                        (ECalendarView *cal_view,
                         const gchar *message,
                         gint percent);
GtkTargetList * e_calendar_view_get_copy_target_list
                        (ECalendarView *cal_view);
GtkTargetList * e_calendar_view_get_paste_target_list
                        (ECalendarView *cal_view);

GList *     e_calendar_view_get_selected_events
                        (ECalendarView *cal_view);
gboolean    e_calendar_view_get_selected_time_range
                        (ECalendarView *cal_view,
                         time_t *start_time,
                         time_t *end_time);
void        e_calendar_view_set_selected_time_range
                        (ECalendarView *cal_view,
                         time_t start_time,
                         time_t end_time);
gboolean    e_calendar_view_get_visible_time_range
                        (ECalendarView *cal_view,
                         time_t *start_time,
                         time_t *end_time);
void        e_calendar_view_update_query    (ECalendarView *cal_view);

void        e_calendar_view_delete_selected_occurrence
                        (ECalendarView *cal_view);
CompEditor *    e_calendar_view_open_event_with_flags
                        (ECalendarView *cal_view,
                         ECal *client,
                         icalcomponent *icalcomp,
                         guint32 flags);

void        e_calendar_view_popup_event (ECalendarView *cal_view,
                         GdkEventButton *event);

void        e_calendar_view_add_event   (ECalendarView *cal_view,
                         ECal *client,
                         time_t dtstart,
                         icaltimezone *default_zone,
                         icalcomponent *icalcomp,
                         gboolean in_top_canvas);
void        e_calendar_view_new_appointment_for
                        (ECalendarView *cal_view,
                         time_t dtstart,
                         time_t dtend,
                         gboolean all_day,
                         gboolean meeting);
void        e_calendar_view_new_appointment_full
                        (ECalendarView *cal_view,
                         gboolean all_day,
                         gboolean meeting,
                         gboolean no_past_date);
void        e_calendar_view_new_appointment (ECalendarView *cal_view);
void        e_calendar_view_edit_appointment(ECalendarView *cal_view,
                         ECal *client,
                         icalcomponent *icalcomp,
                         gboolean meeting);
void        e_calendar_view_open_event  (ECalendarView *cal_view);
void        e_calendar_view_modify_and_send (ECalComponent *comp,
                         ECal *client,
                         CalObjModType mod,
                         GtkWindow *toplevel,
                         gboolean new);
void        e_calendar_utils_show_error_silent
                        (GtkWidget *widget);
void        e_calendar_utils_show_info_silent
                        (GtkWidget *widget);

gboolean    e_calendar_view_get_tooltips    (ECalendarViewEventData *data);

void        e_calendar_view_move_tip    (GtkWidget *widget,
                         gint x,
                         gint y);

const gchar *   e_calendar_view_get_icalcomponent_summary
                        (ECal *ecal,
                         icalcomponent *icalcomp,
                         gboolean *free_text);
gchar *     e_calendar_view_get_attendees_status_info
                        (ECalComponent *comp,
                         ECal *client);

void        e_calendar_view_emit_user_created
                        (ECalendarView *cal_view);

void        draw_curved_rectangle       (cairo_t *cr,
                         gdouble x0,
                         gdouble y0,
                         gdouble rect_width,
                         gdouble rect_height,
                         gdouble radius);

GdkColor    get_today_background        (GdkColor event_background);

G_END_DECLS

#endif /* E_CALENDAR_VIEW_H */