diff options
Diffstat (limited to 'calendar/gnome-month-item.c')
| -rw-r--r-- | calendar/gnome-month-item.c | 1246 |
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 58e393e4ee..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; -} |