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-rw-r--r--widgets/misc/e-calendar-item.h338
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diff --git a/widgets/misc/e-calendar-item.h b/widgets/misc/e-calendar-item.h
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-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-
-/*
- * Author :
- * Damon Chaplin <damon@ximian.com>
- *
- * Copyright 2000, Ximian, Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- */
-#ifndef _E_CALENDAR_ITEM_H_
-#define _E_CALENDAR_ITEM_H_
-
-#include <libgnomeui/gnome-canvas.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-/*
- * ECalendarItem - canvas item displaying a calendar.
- */
-
-#define E_CALENDAR_ITEM_YPAD_ABOVE_MONTH_NAME 1
-#define E_CALENDAR_ITEM_YPAD_BELOW_MONTH_NAME 1
-
-/* Used to mark days as bold in e_calendar_item_mark_day(). */
-#define E_CALENDAR_ITEM_MARK_BOLD 1
-
-
-/* These index our colors array. */
-typedef enum
-{
- E_CALENDAR_ITEM_COLOR_TODAY_BOX,
- E_CALENDAR_ITEM_COLOR_SELECTION_FG,
- E_CALENDAR_ITEM_COLOR_SELECTION_BG,
- E_CALENDAR_ITEM_COLOR_PREV_OR_NEXT_MONTH_FG,
-
- E_CALENDAR_ITEM_COLOR_LAST
-} ECalendarItemColors;
-
-typedef struct _ECalendarItem ECalendarItem;
-typedef struct _ECalendarItemClass ECalendarItemClass;
-
-/* The type of the callback function optionally used to get the colors to
- use for each day. */
-typedef void (*ECalendarItemStyleCallback) (ECalendarItem *calitem,
- gint year,
- gint month,
- gint day,
- gint day_style,
- gboolean today,
- gboolean prev_or_next_month,
- gboolean selected,
- gboolean has_focus,
- gboolean drop_target,
- GdkColor **bg_color,
- GdkColor **fg_color,
- GdkColor **box_color,
- gboolean *bold,
- gpointer data);
-
-/* The type of the callback function optionally used to get the current time.
- */
-typedef struct tm (*ECalendarItemGetTimeCallback) (ECalendarItem *calitem,
- gpointer data);
-
-
-#define E_CALENDAR_ITEM(obj) (GTK_CHECK_CAST((obj), \
- e_calendar_item_get_type (), ECalendarItem))
-#define E_CALENDAR_ITEM_CLASS(k) (GTK_CHECK_CLASS_CAST ((k),\
- e_calendar_item_get_type ()))
-#define E_IS_CALENDAR_ITEM(o) (GTK_CHECK_TYPE((o), \
- e_calendar_item_get_type ()))
-
-struct _ECalendarItem
-{
- GnomeCanvasItem canvas_item;
-
- /* The year & month of the first calendar being displayed. */
- gint year;
- gint month; /* 0 to 11 */
-
- /* Points to an array of styles, one char for each day. We use 32
- chars for each month, with n + 2 months, where n is the number of
- complete months shown (since we show some days before the first
- month and after the last month grayes out).
- A value of 0 is the default, and 1 is bold. */
- guint8 *styles;
-
- /*
- * Options.
- */
-
- /* The minimum & maximum number of rows & columns of months.
- If the maximum values are -1 then there is no maximum.
- The minimum valies default to 1. The maximum values to -1. */
- gint min_rows;
- gint min_cols;
- gint max_rows;
- gint max_cols;
-
- /* The actual number of rows & columns of months. */
- gint rows;
- gint cols;
-
- /* Whether we show week nubers. */
- gboolean show_week_numbers;
-
- /* The first day of the week, 0 (Monday) to 6 (Sunday). */
- gint week_start_day;
-
- /* Whether the cells expand to fill extra space. */
- gboolean expand;
-
- /* The maximum number of days that can be selected. Defaults to 1. */
- gint max_days_selected;
-
- /* The number of days selected before we switch to selecting whole
- weeks, or -1 if we never switch. Defaults to -1. */
- gint days_to_start_week_selection;
-
- /* Whether the selection is moved when we move back/forward one month.
- Used for things like the EDateEdit which only want the selection to
- be changed when the user explicitly selects a day. */
- gboolean move_selection_when_moving;
-
- /* Whether the selection is rounded down to the nearest week when we
- move back/forward one month. Used for the week view. */
- gboolean round_selection_when_moving;
-
- /* Whether to display the pop-up, TRUE by default */
- gboolean display_popup;
-
- /*
- * Internal stuff.
- */
-
- /* Bounds of item. */
- gdouble x1, y1, x2, y2;
-
- /* The minimum size of each month, based on the fonts used. */
- gint min_month_width;
- gint min_month_height;
-
- /* The actual size of each month, after dividing extra space. */
- gint month_width;
- gint month_height;
-
- /* The offset to the left edge of the first calendar. */
- gint x_offset;
-
- /* The padding around each calendar month. */
- gint month_lpad, month_rpad;
- gint month_tpad, month_bpad;
-
- /* The size of each cell. */
- gint cell_width;
- gint cell_height;
-
- /* The current selection. The month offsets are from 0, which is the
- top-left calendar month view. Note that -1 is used for the last days
- from the previous month. The days are real month days. */
- gboolean selecting;
- gboolean selection_dragging_end;
- gboolean selection_from_full_week;
- gboolean selection_set;
- gint selection_start_month_offset;
- gint selection_start_day;
- gint selection_end_month_offset;
- gint selection_end_day;
- gint selection_real_start_month_offset;
- gint selection_real_start_day;
-
- /* The first character of each day of the week, e.g. 'MTWTFSS'. */
- gchar *days;
-
- /* Widths of the day characters. */
- gint day_widths[7];
-
- /* Widths of the digits, '0' .. '9'. */
- gint digit_widths[10];
- gint max_digit_width;
- gint week_number_digit_widths[10];
- gint max_week_number_digit_width;
-
- /* Fonts for drawing text. If font isn't set it uses the font from the
- canvas widget. If week_number_font isn't set it uses font. */
- GdkFont *font, *old_font;
- GdkFont *week_number_font, *old_week_number_font;
-
- ECalendarItemStyleCallback style_callback;
- gpointer style_callback_data;
- GtkDestroyNotify style_callback_destroy;
-
- ECalendarItemGetTimeCallback time_callback;
- gpointer time_callback_data;
- GtkDestroyNotify time_callback_destroy;
-
- /* Colors for drawing. */
- GdkColor colors[E_CALENDAR_ITEM_COLOR_LAST];
-
- /* Our idle handler for emitting signals. */
- gint signal_emission_idle_id;
-
- /* A flag to indicate that the selection or date range has changed.
- When set the idle function will emit the signal and reset it to
- FALSE. This is so we don't emit it several times when args are set
- etc. */
- gboolean selection_changed;
- gboolean date_range_changed;
-};
-
-struct _ECalendarItemClass
-{
- GnomeCanvasItemClass parent_class;
-
- void (* date_range_changed) (ECalendarItem *calitem);
- void (* selection_changed) (ECalendarItem *calitem);
-};
-
-
-GtkType e_calendar_item_get_type (void);
-
-/* FIXME: months are 0-11 throughout, but 1-12 may be better. */
-
-void e_calendar_item_get_first_month (ECalendarItem *calitem,
- gint *year,
- gint *month);
-void e_calendar_item_set_first_month (ECalendarItem *calitem,
- gint year,
- gint month);
-
-/* Get the maximum number of days selectable */
-gint e_calendar_item_get_max_days_sel (ECalendarItem *calitem);
-
-/* Set the maximum number of days selectable */
-void e_calendar_item_set_max_days_sel (ECalendarItem *calitem,
- gint days);
-
-/* Get the maximum number of days selectable */
-gint e_calendar_item_get_days_start_week_sel(ECalendarItem *calitem);
-
-/* Get the maximum number of days before whole weeks are selected */
-void e_calendar_item_set_days_start_week_sel(ECalendarItem *calitem,
- gint days);
-
-/* Set the maximum number of days before whole weeks are selected */
-gboolean e_calendar_item_get_display_popup (ECalendarItem *calitem);
-
-/* Get the maximum number of days before whole weeks are selected */
-void e_calendar_item_set_display_popup (ECalendarItem *calitem,
- gboolean display);
-
-/* Set the maximum number of days before whole weeks are selected */
-gint e_calendar_item_get_days_start_week_sel(ECalendarItem *calitem);
-
-/* Set the maximum number of days selectable */
-void e_calendar_item_set_days_start_week_sel(ECalendarItem *calitem,
- gint days);
-
-/* Gets the range of dates actually shown. Months are 0 to 11.
- This also includes the last days of the previous month and the first days
- of the following month, which are normally shown in gray.
- It returns FALSE if no dates are currently shown. */
-gboolean e_calendar_item_get_date_range (ECalendarItem *calitem,
- gint *start_year,
- gint *start_month,
- gint *start_day,
- gint *end_year,
- gint *end_month,
- gint *end_day);
-
-/* Returns the selected date range. It returns FALSE if no days are currently
- selected. */
-gboolean e_calendar_item_get_selection (ECalendarItem *calitem,
- GDate *start_date,
- GDate *end_date);
-/* Sets the selected date range, and changes the date range shown so at least
- the start of the selection is shown. If start_date is NULL it clears the
- selection. */
-void e_calendar_item_set_selection (ECalendarItem *calitem,
- GDate *start_date,
- GDate *end_date);
-
-/* Marks a particular day. Passing E_CALENDAR_ITEM_MARK_BOLD as the day style
- will result in the day being shown as bold by default. The style callback
- could support more day_styles, or the style callback could determine the
- colors itself, without needing to mark days. */
-void e_calendar_item_clear_marks (ECalendarItem *calitem);
-void e_calendar_item_mark_day (ECalendarItem *calitem,
- gint year,
- gint month,
- gint day,
- guint8 day_style);
-
-/* Mark a range of days. Any days outside the currently shown range are
- ignored. */
-void e_calendar_item_mark_days (ECalendarItem *calitem,
- gint start_year,
- gint start_month,
- gint start_day,
- gint end_year,
- gint end_month,
- gint end_day,
- guint8 day_style);
-
-/* Sets the function to call to get the colors to use for a particular day. */
-void e_calendar_item_set_style_callback (ECalendarItem *calitem,
- ECalendarItemStyleCallback cb,
- gpointer data,
- GtkDestroyNotify destroy);
-
-/* Sets a callback to use to get the current time. This is useful if the
- application needs to use its own timezone data rather than rely on the
- Unix timezone. */
-void e_calendar_item_set_get_time_callback (ECalendarItem *calitem,
- ECalendarItemGetTimeCallback cb,
- gpointer data,
- GtkDestroyNotify destroy);
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* _E_CALENDAR_ITEM_H_ */