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/* General-purpose monthly calendar canvas item for GNOME
*
* Copyright (C) 1998 Red Hat Software, Inc.
*
* Author: Federico Mena <federico@nuclecu.unam.mx>
*/
#ifndef GNOME_MONTH_ITEM_H
#define GNOME_MONTH_ITEM_H
#include <libgnome/gnome-defs.h>
#include <gtk/gtkpacker.h> /* why the hell is GtkAnchorType here and not in gtkenums.h? */
#include <libgnomeui/gnome-canvas.h>
BEGIN_GNOME_DECLS
/* These values are used to identify the canvas items that make up a complete GnomeMonthItem, which
* is made up of the following "pieces":
*
* Headings line:
* - 7 GnomeCanvasGroups:
* Each group contains one box (GnomeCanvasRectangle) and one label
* (GnomeCanvasText)
*
* Day slots:
* - 42 GnomeCanvasGroups:
* Each group contains one box (GnomeCanvasRectangle) and one label
* (GnomeCanvasText)
*
* The headings are organized from left to right. The day slots are organized as a table in
* row-major order.
*
* If you want to access the individual items of the GnomeMonthItem, you can use these numbers with
* the gnome_month_item_num2child() function. If you want to convert a number into the
* corresponding GnomeCanvasItem, you can use the gnome_month_item_child2num() function.
*/
typedef enum {
GNOME_MONTH_ITEM_HEAD_GROUP = 0, /* 7 groups for headings */
GNOME_MONTH_ITEM_HEAD_BOX = 7, /* 7 boxes for headings */
GNOME_MONTH_ITEM_HEAD_LABEL = 14, /* 7 labels for headings */
GNOME_MONTH_ITEM_DAY_GROUP = 21, /* 42 groups for days */
GNOME_MONTH_ITEM_DAY_BOX = 63, /* 42 boxes for days */
GNOME_MONTH_ITEM_DAY_LABEL = 105, /* 42 labels for days */
GNOME_MONTH_ITEM_LAST = 147 /* total number of items */
} GnomeMonthItemChild;
#define GNOME_TYPE_MONTH_ITEM (gnome_month_item_get_type ())
#define GNOME_MONTH_ITEM(obj) (GTK_CHECK_CAST ((obj), GNOME_TYPE_MONTH_ITEM, GnomeMonthItem))
#define GNOME_MONTH_ITEM_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GNOME_TYPE_MONTH_ITEM, GnomeMonthItemClass))
#define GNOME_IS_MONTH_ITEM(obj) (GTK_CHECK_TYPE ((obj), GNOME_TYPE_MONTH_ITEM))
#define GNOME_IS_MONTH_ITEM_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GNOME_TYPE_MONTH_ITEM))
typedef struct _GnomeMonthItem GnomeMonthItem;
typedef struct _GnomeMonthItemClass GnomeMonthItemClass;
struct _GnomeMonthItem {
GnomeCanvasGroup group;
int year; /* Year to show (full, no two-digit crap) */
int month; /* Month to show (0-11) */
double x, y; /* Position at anchor */
double width, height; /* Size of calendar */
GtkAnchorType anchor; /* Anchor side for calendar */
double head_padding; /* Padding to use between heading lines and text */
double day_padding; /* Padding to use between day number lines and text */
char *day_names[7]; /* Names to use for the day labels, starting from Sunday */
double head_height; /* Height of the headings row */
GtkAnchorType head_anchor; /* Anchor side for the heading labels */
GtkAnchorType day_anchor; /* Anchor side for the day number labels */
GnomeCanvasItem **items; /* All the items that make up the calendar */
int day_numbers[42]; /* The numbers of the days */
int start_on_monday : 1; /* Start the week on Monday? If false, then start from Sunday */
};
struct _GnomeMonthItemClass {
GnomeCanvasGroupClass parent_class;
};
/* Standard Gtk function */
GtkType gnome_month_item_get_type (void);
/* Creates a new month item with the specified group as parent */
GnomeCanvasItem *gnome_month_item_new (GnomeCanvasGroup *parent);
/* Constructor function useful for derived classes */
void gnome_month_item_construct (GnomeMonthItem *mitem);
/* Returns the child item defined by the child number (as specified on the GnomeMonthItemChild
* enumeration above).
*/
GnomeCanvasItem *gnome_month_item_num2child (GnomeMonthItem *mitem, GnomeMonthItemChild child_num);
/* Returns the number of the specified child item, as defined on the GnomeMonthItemChild enumeration
* above. If the specified object is not found, it returns -1.
*/
GnomeMonthItemChild gnome_month_item_child2num (GnomeMonthItem *mitem, GnomeCanvasItem *child);
/* Returns the number of the day relevant to the specified child item. Day numbers are 1-based. If
* the specified child is outside the range of displayed days, then it returns 0.
*/
int gnome_month_item_num2day (GnomeMonthItem *mitem, GnomeMonthItemChild child_num);
/* Returns the index (0-41) of the specified date within the table of days. If the day number is
* invalid for the current monthly calendar, then -1 is returned.
*/
int gnome_month_item_day2index (GnomeMonthItem *mitem, int day_num);
END_GNOME_DECLS
#endif
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