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-rw-r--r--calendar/gnome-month-item.c1246
1 files changed, 0 insertions, 1246 deletions
diff --git a/calendar/gnome-month-item.c b/calendar/gnome-month-item.c
deleted file mode 100644
index 4b8a9d75ac..0000000000
--- a/calendar/gnome-month-item.c
+++ /dev/null
@@ -1,1246 +0,0 @@
-/* General-purpose monthly calendar canvas item for GNOME
- *
- * Copyright (C) 1998 Red Hat Software, Inc.
- *
- * Author: Federico Mena <federico@nuclecu.unam.mx>
- */
-
-#include <config.h>
-#include <math.h>
-#include <time.h>
-#include <gnome.h>
-#include "gnome-month-item.h"
-
-
-#define DEFAULT_FONT "-*-helvetica-medium-r-normal--10-*-*-*-p-*-*-*"
-
-
-/* Number of days in a month, for normal and leap years */
-static const int days_in_month[2][12] = {
- { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
- { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
-};
-
-/* The weird month of September 1752, where 3 Sep through 13 Sep were eliminated due to the
- * Gregorian reformation.
- */
-static const int sept_1752[42] = {
- 0, 0, 1, 2, 14, 15, 16,
- 17, 18, 19, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30,
- 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0
-};
-
-#define REFORMATION_DAY 639787 /* First day of the reformation, counted from 1 Jan 1 */
-#define MISSING_DAYS 11 /* They corrected out 11 days */
-#define THURSDAY 4 /* First day of reformation */
-#define SATURDAY 6 /* Offset value; 1 Jan 1 was a Saturday */
-#define SEPT_1752_START 2 /* Start day within month */
-#define SEPT_1752_END 20 /* End day within month */
-
-
-enum {
- ARG_0,
- ARG_YEAR,
- ARG_MONTH,
- ARG_X,
- ARG_Y,
- ARG_WIDTH,
- ARG_HEIGHT,
- ARG_ANCHOR,
- ARG_HEAD_PADDING,
- ARG_DAY_PADDING,
- ARG_DAY_NAMES,
- ARG_HEADING_HEIGHT,
- ARG_HEADING_ANCHOR,
- ARG_DAY_ANCHOR,
- ARG_START_ON_MONDAY,
- ARG_HEAD_FONT,
- ARG_HEAD_FONTSET,
- ARG_HEAD_FONT_GDK,
- ARG_DAY_FONT,
- ARG_DAY_FONTSET,
- ARG_DAY_FONT_GDK,
- ARG_HEAD_COLOR,
- ARG_HEAD_COLOR_GDK,
- ARG_OUTLINE_COLOR,
- ARG_OUTLINE_COLOR_GDK,
- ARG_DAY_BOX_COLOR,
- ARG_DAY_BOX_COLOR_GDK,
- ARG_DAY_COLOR,
- ARG_DAY_COLOR_GDK
-};
-
-
-static void gnome_month_item_class_init (GnomeMonthItemClass *class);
-static void gnome_month_item_init (GnomeMonthItem *mitem);
-static void gnome_month_item_destroy (GtkObject *object);
-static void gnome_month_item_set_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id);
-static void gnome_month_item_get_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id);
-
-
-
-static GnomeCanvasGroupClass *parent_class;
-
-
-GtkType
-gnome_month_item_get_type (void)
-{
- static GtkType month_item_type = 0;
-
- if (!month_item_type) {
- GtkTypeInfo month_item_info = {
- "GnomeMonthItem",
- sizeof (GnomeMonthItem),
- sizeof (GnomeMonthItemClass),
- (GtkClassInitFunc) gnome_month_item_class_init,
- (GtkObjectInitFunc) gnome_month_item_init,
- NULL, /* reserved_1 */
- NULL, /* reserved_2 */
- (GtkClassInitFunc) NULL
- };
-
- month_item_type = gtk_type_unique (gnome_canvas_group_get_type (), &month_item_info);
- }
-
- return month_item_type;
-}
-
-static void
-gnome_month_item_class_init (GnomeMonthItemClass *class)
-{
- GtkObjectClass *object_class;
- GnomeCanvasItemClass *item_class;
-
- object_class = (GtkObjectClass *) class;
- item_class = (GnomeCanvasItemClass *) class;
-
- parent_class = gtk_type_class (gnome_canvas_group_get_type ());
-
- gtk_object_add_arg_type ("GnomeMonthItem::year", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_YEAR);
- gtk_object_add_arg_type ("GnomeMonthItem::month", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_MONTH);
- gtk_object_add_arg_type ("GnomeMonthItem::x", GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_X);
- gtk_object_add_arg_type ("GnomeMonthItem::y", GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_Y);
- gtk_object_add_arg_type ("GnomeMonthItem::width", GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_WIDTH);
- gtk_object_add_arg_type ("GnomeMonthItem::height", GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_HEIGHT);
- gtk_object_add_arg_type ("GnomeMonthItem::anchor", GTK_TYPE_ANCHOR_TYPE, GTK_ARG_READWRITE, ARG_ANCHOR);
- gtk_object_add_arg_type ("GnomeMonthItem::heading_padding", GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_HEAD_PADDING);
- gtk_object_add_arg_type ("GnomeMonthItem::day_padding", GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_DAY_PADDING);
- gtk_object_add_arg_type ("GnomeMonthItem::day_names", GTK_TYPE_POINTER, GTK_ARG_WRITABLE, ARG_DAY_NAMES);
- gtk_object_add_arg_type ("GnomeMonthItem::heading_height", GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_HEADING_HEIGHT);
- gtk_object_add_arg_type ("GnomeMonthItem::heading_anchor", GTK_TYPE_ANCHOR_TYPE, GTK_ARG_READWRITE, ARG_HEADING_ANCHOR);
- gtk_object_add_arg_type ("GnomeMonthItem::day_anchor", GTK_TYPE_ANCHOR_TYPE, GTK_ARG_READWRITE, ARG_DAY_ANCHOR);
- gtk_object_add_arg_type ("GnomeMonthItem::start_on_monday", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_START_ON_MONDAY);
- gtk_object_add_arg_type ("GnomeMonthItem::heading_font", GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_HEAD_FONT);
- gtk_object_add_arg_type ("GnomeMonthItem::heading_fontset", GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_HEAD_FONTSET);
- gtk_object_add_arg_type ("GnomeMonthItem::heading_font_gdk", GTK_TYPE_GDK_FONT, GTK_ARG_READWRITE, ARG_HEAD_FONT_GDK);
- gtk_object_add_arg_type ("GnomeMonthItem::day_font", GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_DAY_FONT);
- gtk_object_add_arg_type ("GnomeMonthItem::day_fontset", GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_DAY_FONTSET);
- gtk_object_add_arg_type ("GnomeMonthItem::day_font_gdk", GTK_TYPE_GDK_FONT, GTK_ARG_READWRITE, ARG_DAY_FONT_GDK);
- gtk_object_add_arg_type ("GnomeMonthItem::heading_color", GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_HEAD_COLOR);
- gtk_object_add_arg_type ("GnomeMonthItem::heading_color_gdk", GTK_TYPE_GDK_COLOR, GTK_ARG_READWRITE, ARG_HEAD_COLOR_GDK);
- gtk_object_add_arg_type ("GnomeMonthItem::outline_color", GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_OUTLINE_COLOR);
- gtk_object_add_arg_type ("GnomeMonthItem::outline_color_gdk", GTK_TYPE_GDK_COLOR, GTK_ARG_READWRITE, ARG_OUTLINE_COLOR_GDK);
- gtk_object_add_arg_type ("GnomeMonthItem::day_box_color", GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_DAY_BOX_COLOR);
- gtk_object_add_arg_type ("GnomeMonthItem::day_box_color_gdk", GTK_TYPE_GDK_COLOR, GTK_ARG_READWRITE, ARG_DAY_BOX_COLOR_GDK);
- gtk_object_add_arg_type ("GnomeMonthItem::day_color", GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_DAY_COLOR);
- gtk_object_add_arg_type ("GnomeMonthItem::day_color_gdk", GTK_TYPE_GDK_COLOR, GTK_ARG_READWRITE, ARG_DAY_COLOR_GDK);
-
- object_class->destroy = gnome_month_item_destroy;
- object_class->set_arg = gnome_month_item_set_arg;
- object_class->get_arg = gnome_month_item_get_arg;
-}
-
-/* Calculates the minimum heading height based on the heading font size and padding. It also
- * calculates the minimum width of the month item based on the width of the headings.
- */
-static void
-check_heading_sizes (GnomeMonthItem *mitem)
-{
- double m_height;
- double m_width;
- int width;
- int max_width;
- int i;
-
- /* Calculate minimum height */
-
- m_height = mitem->head_font->ascent + mitem->head_font->descent + 2 * mitem->head_padding;
-
- if (mitem->head_height < m_height)
- mitem->head_height = m_height;
-
- /* Go through each heading and remember the widest one */
-
- max_width = 0;
-
- for (i = 0; i < 7; i++) {
- width = gdk_string_width (mitem->head_font, mitem->day_names[i]);
- if (max_width < width)
- max_width = width;
- }
-
- m_width = 7 * (max_width + 2 * mitem->head_padding);
-
- if (mitem->width < m_width)
- mitem->width = m_width;
-}
-
-/* Calculates the minimum width and height of the month item based on the day font size and padding.
- * Assumes that the minimum heading height has already been computed.
- */
-static void
-check_day_sizes (GnomeMonthItem *mitem)
-{
- double m_height;
- double m_width;
- int width;
- int max_width;
- char buf[100];
- int i;
-
- /* Calculate minimum height */
-
- m_height = mitem->head_height + 6 * (mitem->day_font->ascent + mitem->day_font->descent + 2 * mitem->day_padding);
-
- if (mitem->height < m_height)
- mitem->height = m_height;
-
- /* Calculate minimum width */
-
- max_width = 0;
-
- for (i = 1; i < 32; i++) {
- sprintf (buf, "%d", i);
- width = gdk_string_width (mitem->day_font, buf);
- if (max_width < width)
- max_width = width;
- }
-
- m_width = 7 * (max_width + 2 * mitem->day_padding);
-
- if (mitem->width < m_width)
- mitem->width = m_width;
-}
-
-/* Calculates the minimum size of the month item based on the font sizes and paddings. If the
- * current size of the month item is smaller than the required minimum size, this function will
- * change the size to the appropriate values.
- */
-static void
-check_sizes (GnomeMonthItem *mitem)
-{
- check_heading_sizes (mitem);
- check_day_sizes (mitem);
-}
-
-/* Recalculates the position of the toplevel calendar group based on the logical position and anchor */
-static void
-reanchor (GnomeMonthItem *mitem)
-{
- double x, y;
-
- x = mitem->x;
- y = mitem->y;
-
- switch (mitem->anchor) {
- case GTK_ANCHOR_NW:
- case GTK_ANCHOR_W:
- case GTK_ANCHOR_SW:
- break;
-
- case GTK_ANCHOR_N:
- case GTK_ANCHOR_CENTER:
- case GTK_ANCHOR_S:
- x -= mitem->width / 2;
- break;
-
- case GTK_ANCHOR_NE:
- case GTK_ANCHOR_E:
- case GTK_ANCHOR_SE:
- x -= mitem->width;
- break;
- }
-
- switch (mitem->anchor) {
- case GTK_ANCHOR_NW:
- case GTK_ANCHOR_N:
- case GTK_ANCHOR_NE:
- break;
-
- case GTK_ANCHOR_W:
- case GTK_ANCHOR_CENTER:
- case GTK_ANCHOR_E:
- y -= mitem->height / 2;
- break;
-
- case GTK_ANCHOR_SW:
- case GTK_ANCHOR_S:
- case GTK_ANCHOR_SE:
- y -= mitem->height;
- break;
- }
-
- /* Explicitly use the canvas group class prefix since the month item class has x and y
- * arguments as well.
- */
-
- gnome_canvas_item_set (GNOME_CANVAS_ITEM (mitem),
- "GnomeCanvasGroup::x", x,
- "GnomeCanvasGroup::y", y,
- NULL);
-}
-
-/* Takes an anchor specification and the corners of a rectangle, and returns an anchored point with
- * respect to that rectangle.
- */
-static void
-get_label_anchor (GtkAnchorType anchor, double x1, double y1, double x2, double y2, double *x, double *y)
-{
- switch (anchor) {
- case GTK_ANCHOR_NW:
- case GTK_ANCHOR_W:
- case GTK_ANCHOR_SW:
- *x = x1;
- break;
-
- case GTK_ANCHOR_N:
- case GTK_ANCHOR_CENTER:
- case GTK_ANCHOR_S:
- *x = (x1 + x2) / 2.0;
- break;
-
- case GTK_ANCHOR_NE:
- case GTK_ANCHOR_E:
- case GTK_ANCHOR_SE:
- *x = x2;
- break;
- }
-
- switch (anchor) {
- case GTK_ANCHOR_NW:
- case GTK_ANCHOR_N:
- case GTK_ANCHOR_NE:
- *y = y1;
- break;
-
- case GTK_ANCHOR_W:
- case GTK_ANCHOR_CENTER:
- case GTK_ANCHOR_E:
- *y = (y1 + y2) / 2.0;
- break;
-
- case GTK_ANCHOR_SW:
- case GTK_ANCHOR_S:
- case GTK_ANCHOR_SE:
- *y = y2;
- break;
- }
-}
-
-/* Resets the position of the day name headings in the calendar */
-static void
-reshape_headings (GnomeMonthItem *mitem)
-{
- double width;
- int i;
- double x, y;
-
- width = mitem->width / 7;
-
- for (i = 0; i < 7; i++) {
- /* Group */
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_HEAD_GROUP + i],
- "x", width * i,
- "y", 0.0,
- NULL);
-
- /* Box */
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_HEAD_BOX + i],
- "x1", 0.0,
- "y1", 0.0,
- "x2", width,
- "y2", mitem->head_height,
- NULL);
-
- /* Label */
- get_label_anchor (mitem->head_anchor,
- mitem->head_padding,
- mitem->head_padding,
- width - mitem->head_padding,
- mitem->head_height - mitem->head_padding,
- &x, &y);
-
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_HEAD_LABEL + i],
- "x", x,
- "y", y,
- "anchor", mitem->head_anchor,
- NULL);
- }
-}
-
-/* Resets the position of the days in the calendar */
-static void
-reshape_days (GnomeMonthItem *mitem)
-{
- double width, height;
- double x, y;
- int row, col;
- int i;
-
- width = mitem->width / 7;
- height = (mitem->height - mitem->head_height) / 6;
-
- i = 0;
-
- for (row = 0; row < 6; row++)
- for (col = 0; col < 7; col++) {
- /* Group */
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_DAY_GROUP + i],
- "x", width * col,
- "y", mitem->head_height + height * row,
- NULL);
-
- /* Box */
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_DAY_BOX + i],
- "x1", 0.0,
- "y1", 0.0,
- "x2", width,
- "y2", height,
- NULL);
-
- /* Label */
- get_label_anchor (mitem->day_anchor,
- mitem->day_padding,
- mitem->day_padding,
- width - mitem->day_padding,
- height - mitem->day_padding,
- &x, &y);
-
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_DAY_LABEL + i],
- "x", x,
- "y", y,
- "anchor", mitem->day_anchor,
- NULL);
-
- i++;
- }
-}
-
-/* Changes the positions and resizes the items in the calendar to match the new size of the
- * calendar.
- */
-static void
-reshape (GnomeMonthItem *mitem)
-{
- check_sizes (mitem);
- reanchor (mitem);
- reshape_headings (mitem);
- reshape_days (mitem);
-}
-
-/* Sets the font for all the day headings */
-static void
-set_head_font (GnomeMonthItem *mitem)
-{
- int i;
-
- for (i = 0; i < 7; i++)
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_HEAD_LABEL + i],
- "font_gdk", mitem->head_font,
- NULL);
-}
-
-/* Sets the color for all the headings */
-static void
-set_head_color (GnomeMonthItem *mitem)
-{
- int i;
- GdkColor outline;
- GdkColor head;
-
- outline.pixel = mitem->outline_pixel;
- head.pixel = mitem->head_pixel;
-
- for (i = 0; i < 7; i++) {
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_HEAD_BOX + i],
- "fill_color_gdk", &outline,
- NULL);
-
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_HEAD_LABEL + i],
- "fill_color_gdk", &head,
- NULL);
- }
-}
-
-/* Creates the items for the day name headings */
-static void
-create_headings (GnomeMonthItem *mitem)
-{
- int i;
-
- /* Just create the items; they will be positioned and configured by a call to reshape() */
-
- for (i = 0; i < 7; i++) {
- /* Group */
- mitem->items[GNOME_MONTH_ITEM_HEAD_GROUP + i] =
- gnome_canvas_item_new (GNOME_CANVAS_GROUP (mitem),
- gnome_canvas_group_get_type (),
- NULL);
-
- /* Box */
- mitem->items[GNOME_MONTH_ITEM_HEAD_BOX + i] =
- gnome_canvas_item_new (GNOME_CANVAS_GROUP (mitem->items[GNOME_MONTH_ITEM_HEAD_GROUP + i]),
- gnome_canvas_rect_get_type (),
- NULL);
-
- /* Label */
- mitem->items[GNOME_MONTH_ITEM_HEAD_LABEL + i] =
- gnome_canvas_item_new (GNOME_CANVAS_GROUP (mitem->items[GNOME_MONTH_ITEM_HEAD_GROUP + i]),
- gnome_canvas_text_get_type (),
- NULL);
- }
-
- set_head_font (mitem);
- set_head_color (mitem);
-}
-
-/* Returns the number of leap years since year 1 up to (but not including) the specified year */
-static int
-leap_years_up_to (int year)
-{
- return (year / 4 /* trivial leapness */
- - ((year > 1700) ? (year / 100 - 17) : 0) /* minus centuries since 1700 */
- + ((year > 1600) ? ((year - 1600) / 400) : 0)); /* plus centuries since 1700 divisible by 400 */
-}
-
-/* Returns whether the specified year is a leap year */
-static int
-is_leap_year (int year)
-{
- if (year <= 1752)
- return !(year % 4);
- else
- return (!(year % 4) && (year % 100)) || !(year % 400);
-}
-
-/* Returns the 1-based day number within the year of the specified date */
-static int
-day_in_year (int day, int month, int year)
-{
- int is_leap, i;
-
- is_leap = is_leap_year (year);
-
- for (i = 0; i < month; i++)
- day += days_in_month [is_leap][i];
-
- return day;
-}
-
-/* Returns the day of the week (zero-based, zero is Sunday) for the specified date. For the days
- * that were removed on the Gregorian reformation, it returns Thursday.
- */
-static int
-day_in_week (int day, int month, int year)
-{
- int n;
-
- n = (year - 1) * 365 + leap_years_up_to (year - 1) + day_in_year (day, month, year);
-
- if (n < REFORMATION_DAY)
- return (n - 1 + SATURDAY) % 7;
-
- if (n >= (REFORMATION_DAY + MISSING_DAYS))
- return (n - 1 + SATURDAY - MISSING_DAYS) % 7;
-
- return THURSDAY;
-}
-
-/* Fills the 42-element days array with the day numbers for the specified month. Slots outside the
- * bounds of the month are filled with zeros. The starting and ending indexes of the days are
- * returned in the start and end arguments.
- */
-static void
-build_month (int month, int year, int start_on_monday, int *days, int *start, int *end)
-{
- int i;
- int d_month, d_week;
-
- /* Note that months are zero-based, so September is month 8 */
-
- if ((year == 1752) && (month == 8)) {
- memcpy (days, sept_1752, 42 * sizeof (int));
-
- if (start)
- *start = SEPT_1752_START;
-
- if (end)
- *end = SEPT_1752_END;
-
- return;
- }
-
- for (i = 0; i < 42; i++)
- days[i] = 0;
-
- d_month = days_in_month[is_leap_year (year)][month];
- d_week = day_in_week (1, month, year);
-
- if (start_on_monday)
- d_week = (d_week + 6) % 7;
-
- for (i = 0; i < d_month; i++)
- days[d_week + i] = i + 1;
-
- if (start)
- *start = d_week;
-
- if (end)
- *end = d_week + d_month - 1;
-}
-
-/* Set the day numbers in the monthly calendar */
-static void
-set_days (GnomeMonthItem *mitem)
-{
- int i;
- int start, end;
- char buf[100];
-
- build_month (mitem->month, mitem->year, mitem->start_on_monday, mitem->day_numbers, &start, &end);
-
- /* Clear days before start of month */
-
- for (i = 0; i < start; i++)
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_DAY_LABEL + i],
- "text", NULL,
- NULL);
-
- /* Set days of month */
-
- for (; start <= end; start++, i++) {
- sprintf (buf, "%d", mitem->day_numbers[start]);
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_DAY_LABEL + i],
- "text", buf,
- NULL);
- }
-
- /* Clear days after end of month */
-
- for (; i < 42; i++)
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_DAY_LABEL + i],
- "text", NULL,
- NULL);
-}
-
-/* Sets the font for all the day numbers */
-static void
-set_day_font (GnomeMonthItem *mitem)
-{
- int i;
-
- for (i = 0; i < 42; i++)
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_DAY_LABEL + i],
- "font_gdk", mitem->day_font,
- NULL);
-}
-
-/* Sets the color for all the day items */
-static void
-set_day_color (GnomeMonthItem *mitem)
-{
- int i;
- GdkColor outline;
- GdkColor day_box;
- GdkColor day;
-
- outline.pixel = mitem->outline_pixel;
- day_box.pixel = mitem->day_box_pixel;
- day.pixel = mitem->day_pixel;
-
- for (i = 0; i < 42; i++) {
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_DAY_BOX + i],
- "outline_color_gdk", &outline,
- "fill_color_gdk", &day_box,
- NULL);
-
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_DAY_LABEL + i],
- "fill_color_gdk", &day,
- NULL);
- }
-}
-
-/* Creates the items for the days */
-static void
-create_days (GnomeMonthItem *mitem)
-{
- int i;
-
- /* Just create the items; they will be positioned and configured by a call to reshape() */
-
- for (i = 0; i < 42; i++) {
- /* Group */
- mitem->items[GNOME_MONTH_ITEM_DAY_GROUP + i] =
- gnome_canvas_item_new (GNOME_CANVAS_GROUP (mitem),
- gnome_canvas_group_get_type (),
- NULL);
-
- /* Box */
- mitem->items[GNOME_MONTH_ITEM_DAY_BOX + i] =
- gnome_canvas_item_new (GNOME_CANVAS_GROUP (mitem->items[GNOME_MONTH_ITEM_DAY_GROUP + i]),
- gnome_canvas_rect_get_type (),
- NULL);
-
- /* Label */
- mitem->items[GNOME_MONTH_ITEM_DAY_LABEL + i] =
- gnome_canvas_item_new (GNOME_CANVAS_GROUP (mitem->items[GNOME_MONTH_ITEM_DAY_GROUP + i]),
- gnome_canvas_text_get_type (),
- NULL);
- }
-
- set_day_font (mitem);
- set_day_color (mitem);
- set_days (mitem);
-}
-
-/* Resets the text of the day name headings */
-static void
-set_day_names (GnomeMonthItem *mitem)
-{
- int i;
-
- for (i = 0; i < 7; i++)
- gnome_canvas_item_set (mitem->items[GNOME_MONTH_ITEM_HEAD_LABEL + i],
- "text", mitem->day_names[mitem->start_on_monday ? ((i + 1) % 7) : i],
- NULL);
-}
-
-/* Creates all the canvas items that make up the calendar */
-static void
-create_items (GnomeMonthItem *mitem)
-{
- mitem->items = g_new (GnomeCanvasItem *, GNOME_MONTH_ITEM_LAST);
-
- create_headings (mitem);
- create_days (mitem);
-
- /* Initialize by default to three-letter day names */
-
- mitem->day_names[0] = g_strdup (_("Sun"));
- mitem->day_names[1] = g_strdup (_("Mon"));
- mitem->day_names[2] = g_strdup (_("Tue"));
- mitem->day_names[3] = g_strdup (_("Wed"));
- mitem->day_names[4] = g_strdup (_("Thu"));
- mitem->day_names[5] = g_strdup (_("Fri"));
- mitem->day_names[6] = g_strdup (_("Sat"));
-
- set_day_names (mitem);
- reshape (mitem);
-}
-
-static void
-gnome_month_item_init (GnomeMonthItem *mitem)
-{
- time_t t;
- struct tm *tm;
-
- /* Initialize to the current month by default */
-
- t = time (NULL);
- tm = localtime (&t);
-
- mitem->year = tm->tm_year + 1900;
- mitem->month = tm->tm_mon;
-
- mitem->x = 0.0;
- mitem->y = 0.0;
- mitem->width = 150.0; /* not unreasonable defaults, I hope */
- mitem->height = 100.0;
- mitem->anchor = GTK_ANCHOR_NW;
- mitem->head_padding = 0.0;
- mitem->day_padding = 2.0;
- mitem->head_height = 14.0;
- mitem->head_anchor = GTK_ANCHOR_CENTER;
- mitem->day_anchor = GTK_ANCHOR_CENTER;
-
- /* Load the default fonts */
-
- mitem->head_font = gdk_font_load (DEFAULT_FONT);
- if (!mitem->head_font) {
- mitem->head_font = gdk_font_load ("fixed");
- g_assert (mitem->head_font != NULL);
- }
-
- mitem->day_font = gdk_font_load (DEFAULT_FONT);
- if (!mitem->day_font) {
- mitem->day_font = gdk_font_load ("fixed");
- g_assert (mitem->day_font != NULL);
- }
-}
-
-GnomeCanvasItem *
-gnome_month_item_new (GnomeCanvasGroup *parent)
-{
- GnomeMonthItem *mitem;
-
- g_return_val_if_fail (parent != NULL, NULL);
- g_return_val_if_fail (GNOME_IS_CANVAS_GROUP (parent), NULL);
-
- mitem = GNOME_MONTH_ITEM (gnome_canvas_item_new (parent,
- gnome_month_item_get_type (),
- NULL));
-
- gnome_month_item_construct (mitem);
-
- return GNOME_CANVAS_ITEM (mitem);
-}
-
-void
-gnome_month_item_construct (GnomeMonthItem *mitem)
-{
- GdkColor color;
-
- g_return_if_fail (mitem != NULL);
- g_return_if_fail (GNOME_IS_MONTH_ITEM (mitem));
-
- gnome_canvas_get_color (GNOME_CANVAS_ITEM (mitem)->canvas, "#d6d6d6d6d6d6", &color);
- mitem->head_pixel = color.pixel;
- mitem->day_box_pixel = color.pixel;
-
- gnome_canvas_get_color (GNOME_CANVAS_ITEM (mitem)->canvas, "black", &color);
- mitem->outline_pixel = color.pixel;
- mitem->day_pixel = color.pixel;
-
- create_items (mitem);
-}
-
-static void
-free_day_names (GnomeMonthItem *mitem)
-{
- int i;
-
- if (mitem->day_names[0])
- for (i = 0; i < 7; i++)
- g_free (mitem->day_names[i]);
-}
-
-static void
-gnome_month_item_destroy (GtkObject *object)
-{
- GnomeMonthItem *mitem;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (GNOME_IS_MONTH_ITEM (object));
-
- mitem = GNOME_MONTH_ITEM (object);
-
- free_day_names (mitem);
-
- if (GTK_OBJECT_CLASS (parent_class)->destroy)
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
-}
-
-/* Sets the color of the specified pixel value to that of the specified argument, which must be in
- * GdkColor format if format is TRUE, otherwise it must be in string format.
- */
-static void
-set_color_arg (GnomeMonthItem *mitem, gulong *pixel, GtkArg *arg, int gdk_format, int set_head, int set_day)
-{
- GdkColor color;
-
- if (gdk_format)
- *pixel = ((GdkColor *) GTK_VALUE_BOXED (*arg))->pixel;
- else {
- if (gnome_canvas_get_color (GNOME_CANVAS_ITEM (mitem)->canvas, GTK_VALUE_STRING (*arg), &color))
- *pixel = color.pixel;
- else
- *pixel = 0;
- }
-
- if (set_head)
- set_head_color (mitem);
-
- if (set_day)
- set_day_color (mitem);
-}
-
-static void
-gnome_month_item_set_arg (GtkObject *object, GtkArg *arg, guint arg_id)
-{
- GnomeMonthItem *mitem;
- char **day_names;
- int i;
-
- mitem = GNOME_MONTH_ITEM (object);
-
- switch (arg_id) {
- case ARG_YEAR:
- mitem->year = GTK_VALUE_UINT (*arg);
- set_days (mitem);
- break;
-
- case ARG_MONTH:
- mitem->month = GTK_VALUE_UINT (*arg);
- set_days (mitem);
- break;
-
- case ARG_X:
- mitem->x = GTK_VALUE_DOUBLE (*arg);
- reanchor (mitem);
- break;
-
- case ARG_Y:
- mitem->y = GTK_VALUE_DOUBLE (*arg);
- reanchor (mitem);
- break;
-
- case ARG_WIDTH:
- mitem->width = fabs (GTK_VALUE_DOUBLE (*arg));
- reshape (mitem);
- break;
-
- case ARG_HEIGHT:
- mitem->height = fabs (GTK_VALUE_DOUBLE (*arg));
- reshape (mitem);
- break;
-
- case ARG_ANCHOR:
- mitem->anchor = GTK_VALUE_ENUM (*arg);
- reanchor (mitem);
- break;
-
- case ARG_HEAD_PADDING:
- mitem->head_padding = fabs (GTK_VALUE_DOUBLE (*arg));
- reshape (mitem);
- break;
-
- case ARG_DAY_PADDING:
- mitem->day_padding = fabs (GTK_VALUE_DOUBLE (*arg));
- reshape (mitem);
- break;
-
- case ARG_DAY_NAMES:
- day_names = GTK_VALUE_POINTER (*arg);
-
- /* First, check that none of the names is null */
-
- for (i = 0; i < 7; i++)
- if (!day_names[i]) {
- g_warning ("Day number %d was NULL; day names cannot be NULL!", i);
- return;
- }
-
- /* Set the new names */
-
- free_day_names (mitem);
- for (i = 0; i < 7; i++)
- mitem->day_names[i] = g_strdup (day_names[i]);
-
- set_day_names (mitem);
- reshape (mitem);
- break;
-
- case ARG_HEADING_HEIGHT:
- mitem->head_height = fabs (GTK_VALUE_DOUBLE (*arg));
- reshape (mitem);
- break;
-
- case ARG_HEADING_ANCHOR:
- mitem->head_anchor = GTK_VALUE_ENUM (*arg);
- reshape (mitem);
- break;
-
- case ARG_DAY_ANCHOR:
- mitem->day_anchor = GTK_VALUE_ENUM (*arg);
- reshape (mitem);
- break;
-
- case ARG_START_ON_MONDAY:
- mitem->start_on_monday = GTK_VALUE_BOOL (*arg);
- set_day_names (mitem);
- set_days (mitem);
- break;
-
- case ARG_HEAD_FONT:
- gdk_font_unref (mitem->head_font);
-
- mitem->head_font = gdk_font_load (GTK_VALUE_STRING (*arg));
- if (!mitem->head_font) {
- mitem->head_font = gdk_font_load ("fixed");
- g_assert (mitem->head_font != NULL);
- }
-
- set_head_font (mitem);
- reshape (mitem);
- break;
-
- case ARG_HEAD_FONTSET:
- gdk_font_unref (mitem->head_font);
-
- mitem->head_font = gdk_fontset_load (GTK_VALUE_STRING (*arg));
- if (!mitem->head_font) {
- mitem->head_font =
- gdk_fontset_load ("-*-fixed-medium-r-semicondensed--13-120-75-75-c-60-*-*");
- g_assert (mitem->head_font != NULL);
- }
-
- set_head_font (mitem);
- reshape (mitem);
- break;
-
- case ARG_HEAD_FONT_GDK:
- gdk_font_unref (mitem->head_font);
-
- mitem->head_font = GTK_VALUE_BOXED (*arg);
- gdk_font_ref (mitem->head_font);
- set_head_font (mitem);
- reshape (mitem);
- break;
-
- case ARG_DAY_FONT:
- gdk_font_unref (mitem->day_font);
-
- mitem->day_font = gdk_font_load (GTK_VALUE_STRING (*arg));
- if (!mitem->day_font) {
- mitem->day_font = gdk_font_load ("fixed");
- g_assert (mitem->day_font != NULL);
- }
-
- set_day_font (mitem);
- reshape (mitem);
- break;
-
- case ARG_DAY_FONTSET:
- gdk_font_unref (mitem->day_font);
-
- mitem->day_font = gdk_fontset_load (GTK_VALUE_STRING (*arg));
- if (!mitem->day_font) {
- mitem->day_font =
- gdk_fontset_load ("-*-fixed-medium-r-semicondensed--13-120-75-75-c-60-*-*");
- g_assert (mitem->day_font != NULL);
- }
-
- set_day_font (mitem);
- reshape (mitem);
- break;
-
- case ARG_DAY_FONT_GDK:
- gdk_font_unref (mitem->day_font);
-
- mitem->day_font = GTK_VALUE_BOXED (*arg);
- gdk_font_ref (mitem->day_font);
- set_day_font (mitem);
- reshape (mitem);
- break;
-
- case ARG_HEAD_COLOR:
- set_color_arg (mitem, &mitem->head_pixel, arg, FALSE, TRUE, FALSE);
- break;
-
- case ARG_HEAD_COLOR_GDK:
- set_color_arg (mitem, &mitem->head_pixel, arg, TRUE, TRUE, FALSE);
- break;
-
- case ARG_OUTLINE_COLOR:
- set_color_arg (mitem, &mitem->outline_pixel, arg, FALSE, TRUE, TRUE);
- break;
-
- case ARG_OUTLINE_COLOR_GDK:
- set_color_arg (mitem, &mitem->outline_pixel, arg, TRUE, TRUE, TRUE);
- break;
-
- case ARG_DAY_BOX_COLOR:
- set_color_arg (mitem, &mitem->day_box_pixel, arg, FALSE, FALSE, TRUE);
- break;
-
- case ARG_DAY_BOX_COLOR_GDK:
- set_color_arg (mitem, &mitem->day_box_pixel, arg, TRUE, FALSE, TRUE);
- break;
-
- case ARG_DAY_COLOR:
- set_color_arg (mitem, &mitem->day_pixel, arg, FALSE, FALSE, TRUE);
- break;
-
- case ARG_DAY_COLOR_GDK:
- set_color_arg (mitem, &mitem->day_pixel, arg, TRUE, FALSE, TRUE);
- break;
-
- default:
- break;
- }
-}
-
-/* Allocates a GdkColor structure filled with the specified pixel, and puts it into the specified
- * arg for returning it in the get_arg method.
- */
-static void
-get_color_arg (GnomeMonthItem *mitem, gulong pixel, GtkArg *arg)
-{
- GdkColor *color;
-
- color = g_new (GdkColor, 1);
- color->pixel = pixel;
- gdk_color_context_query_color (GNOME_CANVAS_ITEM (mitem)->canvas->cc, color);
- GTK_VALUE_BOXED (*arg) = color;
-}
-
-static void
-gnome_month_item_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
-{
- GnomeMonthItem *mitem;
-
- mitem = GNOME_MONTH_ITEM (object);
-
- switch (arg_id) {
- case ARG_YEAR:
- GTK_VALUE_UINT (*arg) = mitem->year;
- break;
-
- case ARG_MONTH:
- GTK_VALUE_UINT (*arg) = mitem->month;
- break;
-
- case ARG_X:
- GTK_VALUE_DOUBLE (*arg) = mitem->x;
- break;
-
- case ARG_Y:
- GTK_VALUE_DOUBLE (*arg) = mitem->y;
- break;
-
- case ARG_WIDTH:
- GTK_VALUE_DOUBLE (*arg) = mitem->width;
- break;
-
- case ARG_HEIGHT:
- GTK_VALUE_DOUBLE (*arg) = mitem->height;
- break;
-
- case ARG_ANCHOR:
- GTK_VALUE_ENUM (*arg) = mitem->anchor;
- break;
-
- case ARG_HEAD_PADDING:
- GTK_VALUE_DOUBLE (*arg) = mitem->head_padding;
- break;
-
- case ARG_DAY_PADDING:
- GTK_VALUE_DOUBLE (*arg) = mitem->day_padding;
- break;
-
- case ARG_HEADING_HEIGHT:
- GTK_VALUE_DOUBLE (*arg) = mitem->head_height;
- break;
-
- case ARG_HEADING_ANCHOR:
- GTK_VALUE_ENUM (*arg) = mitem->head_anchor;
- break;
-
- case ARG_DAY_ANCHOR:
- GTK_VALUE_ENUM (*arg) = mitem->day_anchor;
- break;
-
- case ARG_START_ON_MONDAY:
- GTK_VALUE_BOOL (*arg) = mitem->start_on_monday;
- break;
-
- case ARG_HEAD_FONT_GDK:
- GTK_VALUE_BOXED (*arg) = mitem->head_font;
- break;
-
- case ARG_DAY_FONT_GDK:
- GTK_VALUE_BOXED (*arg) = mitem->day_font;
- break;
-
- case ARG_HEAD_COLOR_GDK:
- get_color_arg (mitem, mitem->head_pixel, arg);
- break;
-
- case ARG_OUTLINE_COLOR_GDK:
- get_color_arg (mitem, mitem->outline_pixel, arg);
- break;
-
- case ARG_DAY_BOX_COLOR_GDK:
- get_color_arg (mitem, mitem->day_box_pixel, arg);
- break;
-
- case ARG_DAY_COLOR_GDK:
- get_color_arg (mitem, mitem->day_pixel, arg);
- break;
-
- default:
- arg->type = GTK_TYPE_INVALID;
- break;
- }
-}
-
-GnomeCanvasItem *
-gnome_month_item_num2child (GnomeMonthItem *mitem, int child_num)
-{
- g_return_val_if_fail (mitem != NULL, NULL);
- g_return_val_if_fail (GNOME_IS_MONTH_ITEM (mitem), NULL);
-
- return mitem->items[child_num];
-}
-
-int
-gnome_month_item_child2num (GnomeMonthItem *mitem, GnomeCanvasItem *child)
-{
- int i;
-
- g_return_val_if_fail (mitem != NULL, -1);
- g_return_val_if_fail (GNOME_IS_MONTH_ITEM (mitem), -1);
- g_return_val_if_fail (child != NULL, -1);
- g_return_val_if_fail (GNOME_IS_CANVAS_ITEM (child), -1);
-
- for (i = 0; i < GNOME_MONTH_ITEM_LAST; i++)
- if (mitem->items[i] == child)
- return i;
-
- return -1;
-}
-
-int
-gnome_month_item_num2day (GnomeMonthItem *mitem, int child_num)
-{
- g_return_val_if_fail (mitem != NULL, 0);
- g_return_val_if_fail (GNOME_IS_MONTH_ITEM (mitem), 0);
-
- if ((child_num >= GNOME_MONTH_ITEM_DAY_GROUP) && (child_num < GNOME_MONTH_ITEM_LAST)) {
- child_num = (child_num - GNOME_MONTH_ITEM_DAY_GROUP) % 42;
- return mitem->day_numbers[child_num];
- } else
- return 0;
-}
-
-int
-gnome_month_item_day2index (GnomeMonthItem *mitem, int day_num)
-{
- int i;
-
- g_return_val_if_fail (mitem != NULL, -1);
- g_return_val_if_fail (GNOME_IS_MONTH_ITEM (mitem), -1);
- g_return_val_if_fail (day_num >= 1, -1);
-
- /* Find first day of month */
-
- for (i = 0; mitem->day_numbers[i] == 0; i++)
- ;
-
- /* Find the specified day */
-
- for (; (mitem->day_numbers[i] != 0) && (i < 42); i++)
- if (mitem->day_numbers[i] == day_num)
- return i;
-
- /* Bail out */
-
- return -1;
-}