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-rw-r--r--widgets/misc/e-calendar-item.c2934
1 files changed, 0 insertions, 2934 deletions
diff --git a/widgets/misc/e-calendar-item.c b/widgets/misc/e-calendar-item.c
deleted file mode 100644
index 9c52e2d9bf..0000000000
--- a/widgets/misc/e-calendar-item.c
+++ /dev/null
@@ -1,2934 +0,0 @@
-/* -*- 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
- */
-
-/*
- * ECalendarItem - canvas item displaying a calendar.
- */
-
-#include <config.h>
-
-#include "e-calendar-item.h"
-
-#include <time.h>
-#include <string.h>
-#include <glib.h>
-#include <gtk/gtkmain.h>
-#include <gtk/gtkmenu.h>
-#include <gtk/gtkmenuitem.h>
-#include <gtk/gtklabel.h>
-#include <gtk/gtksignal.h>
-#include <libgnome/gnome-defs.h>
-#include <libgnome/gnome-i18n.h>
-#include <gal/util/e-util.h>
-
-/*
- * These are the padding sizes between various pieces of the calendar.
- */
-
-/* The minimum padding around the numbers in each cell/day. */
-#define E_CALENDAR_ITEM_MIN_CELL_XPAD 4
-#define E_CALENDAR_ITEM_MIN_CELL_YPAD 0
-
-/* Vertical padding. */
-#define E_CALENDAR_ITEM_YPAD_ABOVE_DAY_LETTERS 1
-#define E_CALENDAR_ITEM_YPAD_BELOW_DAY_LETTERS 0
-#define E_CALENDAR_ITEM_YPAD_ABOVE_CELLS 1
-#define E_CALENDAR_ITEM_YPAD_BELOW_CELLS 2
-
-/* Horizontal padding in the heading bars. */
-#define E_CALENDAR_ITEM_XPAD_BEFORE_MONTH_NAME_WITH_BUTTON 16
-#define E_CALENDAR_ITEM_XPAD_BEFORE_MONTH_NAME 3
-#define E_CALENDAR_ITEM_XPAD_AFTER_MONTH_NAME 3
-#define E_CALENDAR_ITEM_XPAD_AFTER_MONTH_NAME_WITH_BUTTON 16
-
-/* Horizontal padding in the month displays. */
-#define E_CALENDAR_ITEM_XPAD_BEFORE_WEEK_NUMBERS 4
-#define E_CALENDAR_ITEM_XPAD_AFTER_WEEK_NUMBERS 2
-#define E_CALENDAR_ITEM_XPAD_BEFORE_CELLS 1
-#define E_CALENDAR_ITEM_XPAD_AFTER_CELLS 4
-
-/* The number of rows & columns of days in each month. */
-#define E_CALENDAR_ROWS_PER_MONTH 6
-#define E_CALENDAR_COLS_PER_MONTH 7
-
-static const int e_calendar_item_days_in_month[12] = {
- 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
-};
-
-#define DAYS_IN_MONTH(year, month) \
- e_calendar_item_days_in_month[month] + (((month) == 1 \
- && ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))) ? 1 : 0)
-
-
-static void e_calendar_item_class_init (ECalendarItemClass *class);
-static void e_calendar_item_init (ECalendarItem *calitem);
-static void e_calendar_item_destroy (GtkObject *o);
-static void e_calendar_item_get_arg (GtkObject *o,
- GtkArg *arg,
- guint arg_id);
-static void e_calendar_item_set_arg (GtkObject *o,
- GtkArg *arg,
- guint arg_id);
-static void e_calendar_item_realize (GnomeCanvasItem *item);
-static void e_calendar_item_unrealize (GnomeCanvasItem *item);
-static void e_calendar_item_unmap (GnomeCanvasItem *item);
-static void e_calendar_item_update (GnomeCanvasItem *item,
- double *affine,
- ArtSVP *clip_path,
- int flags);
-static void e_calendar_item_draw (GnomeCanvasItem *item,
- GdkDrawable *drawable,
- int x,
- int y,
- int width,
- int height);
-static void e_calendar_item_draw_month (ECalendarItem *calitem,
- GdkDrawable *drawable,
- int x,
- int y,
- int width,
- int height,
- int row,
- int col);
-static void e_calendar_item_draw_day_numbers (ECalendarItem *calitem,
- GdkDrawable *drawable,
- int width,
- int height,
- int row,
- int col,
- int year,
- int month,
- int start_weekday,
- gint cells_x,
- gint cells_y);
-static double e_calendar_item_point (GnomeCanvasItem *item,
- double x,
- double y,
- int cx,
- int cy,
- GnomeCanvasItem **actual_item);
-static gint e_calendar_item_event (GnomeCanvasItem *item,
- GdkEvent *event);
-static gboolean e_calendar_item_button_press (ECalendarItem *calitem,
- GdkEvent *event);
-static gboolean e_calendar_item_button_release (ECalendarItem *calitem,
- GdkEvent *event);
-static gboolean e_calendar_item_motion (ECalendarItem *calitem,
- GdkEvent *event);
-
-static gboolean e_calendar_item_convert_position_to_day (ECalendarItem *calitem,
- gint x,
- gint y,
- gboolean round_empty_positions,
- gint *month_offset,
- gint *day,
- gboolean *entire_week);
-static void e_calendar_item_get_month_info (ECalendarItem *calitem,
- gint row,
- gint col,
- gint *first_day_offset,
- gint *days_in_month,
- gint *days_in_prev_month);
-static void e_calendar_item_recalc_sizes(ECalendarItem *calitem);
-
-static gint e_calendar_item_get_week_number (ECalendarItem *calitem,
- gint day,
- gint month,
- gint year);
-
-static void e_calendar_item_get_day_style (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);
-static void e_calendar_item_check_selection_end (ECalendarItem *calitem,
- gint start_month,
- gint start_day,
- gint *end_month,
- gint *end_day);
-static void e_calendar_item_check_selection_start(ECalendarItem *calitem,
- gint *start_month,
- gint *start_day,
- gint end_month,
- gint end_day);
-static void e_calendar_item_normalize_date (ECalendarItem *calitem,
- gint *year,
- gint *month);
-static void e_calendar_item_add_days_to_selection(ECalendarItem *calitem,
- gint days);
-static void e_calendar_item_round_up_selection (ECalendarItem *calitem,
- gint *month_offset,
- gint *day);
-static void e_calendar_item_round_down_selection (ECalendarItem *calitem,
- gint *month_offset,
- gint *day);
-static gint e_calendar_item_get_inclusive_days (ECalendarItem *calitem,
- gint start_month_offset,
- gint start_day,
- gint end_month_offset,
- gint end_day);
-static void e_calendar_item_ensure_valid_day (ECalendarItem *calitem,
- gint *month_offset,
- gint *day);
-static gboolean e_calendar_item_ensure_days_visible (ECalendarItem *calitem,
- gint start_year,
- gint start_month,
- gint start_day,
- gint end_year,
- gint end_month,
- gint end_day);
-static void e_calendar_item_show_popup_menu (ECalendarItem *calitem,
- GdkEventButton *event,
- gint month_offset);
-static void e_calendar_item_on_menu_item_activate(GtkWidget *menuitem,
- ECalendarItem *calitem);
-static void e_calendar_item_position_menu (GtkMenu *menu,
- gint *x,
- gint *y,
- gpointer user_data);
-static void e_calendar_item_date_range_changed (ECalendarItem *calitem);
-static void e_calendar_item_queue_signal_emission (ECalendarItem *calitem);
-static gboolean e_calendar_item_signal_emission_idle_cb (gpointer data);
-
-/* Our arguments. */
-enum {
- ARG_0,
- ARG_YEAR,
- ARG_MONTH,
- ARG_X1,
- ARG_Y1,
- ARG_X2,
- ARG_Y2,
- ARG_FONT,
- ARG_WEEK_NUMBER_FONT,
- ARG_ROW_HEIGHT,
- ARG_COLUMN_WIDTH,
- ARG_MINIMUM_ROWS,
- ARG_MINIMUM_COLUMNS,
- ARG_MAXIMUM_ROWS,
- ARG_MAXIMUM_COLUMNS,
- ARG_WEEK_START_DAY,
- ARG_SHOW_WEEK_NUMBERS,
- ARG_MAXIMUM_DAYS_SELECTED,
- ARG_DAYS_TO_START_WEEK_SELECTION,
- ARG_MOVE_SELECTION_WHEN_MOVING,
- ARG_ROUND_SELECTION_WHEN_MOVING,
- ARG_DISPLAY_POPUP
-};
-
-enum {
- DATE_RANGE_CHANGED,
- SELECTION_CHANGED,
- LAST_SIGNAL
-};
-
-
-static GnomeCanvasItemClass *parent_class;
-static guint e_calendar_item_signals[LAST_SIGNAL] = { 0 };
-
-
-E_MAKE_TYPE (e_calendar_item, "ECalendarItem", ECalendarItem,
- e_calendar_item_class_init, e_calendar_item_init,
- GNOME_TYPE_CANVAS_ITEM)
-
-
-static void
-e_calendar_item_class_init (ECalendarItemClass *class)
-{
- GtkObjectClass *object_class;
- GnomeCanvasItemClass *item_class;
-
- parent_class = gtk_type_class (gnome_canvas_item_get_type());
-
- object_class = (GtkObjectClass *) class;
- item_class = (GnomeCanvasItemClass *) class;
-
- gtk_object_add_arg_type ("ECalendarItem::year",
- GTK_TYPE_INT, GTK_ARG_READWRITE,
- ARG_YEAR);
- gtk_object_add_arg_type ("ECalendarItem::month",
- GTK_TYPE_INT, GTK_ARG_READWRITE,
- ARG_MONTH);
- gtk_object_add_arg_type ("ECalendarItem::x1",
- GTK_TYPE_DOUBLE, GTK_ARG_READWRITE,
- ARG_X1);
- gtk_object_add_arg_type ("ECalendarItem::y1",
- GTK_TYPE_DOUBLE, GTK_ARG_READWRITE,
- ARG_Y1);
- gtk_object_add_arg_type ("ECalendarItem::x2",
- GTK_TYPE_DOUBLE, GTK_ARG_READWRITE,
- ARG_X2);
- gtk_object_add_arg_type ("ECalendarItem::y2",
- GTK_TYPE_DOUBLE, GTK_ARG_READWRITE,
- ARG_Y2);
- gtk_object_add_arg_type ("ECalendarItem::font",
- GTK_TYPE_GDK_FONT, GTK_ARG_READWRITE,
- ARG_FONT);
- gtk_object_add_arg_type ("ECalendarItem::week_number_font",
- GTK_TYPE_GDK_FONT, GTK_ARG_READWRITE,
- ARG_WEEK_NUMBER_FONT);
- gtk_object_add_arg_type ("ECalendarItem::row_height",
- GTK_TYPE_INT, GTK_ARG_READABLE,
- ARG_ROW_HEIGHT);
- gtk_object_add_arg_type ("ECalendarItem::column_width",
- GTK_TYPE_INT, GTK_ARG_READABLE,
- ARG_COLUMN_WIDTH);
- gtk_object_add_arg_type ("ECalendarItem::minimum_rows",
- GTK_TYPE_INT, GTK_ARG_READWRITE,
- ARG_MINIMUM_ROWS);
- gtk_object_add_arg_type ("ECalendarItem::minimum_columns",
- GTK_TYPE_INT, GTK_ARG_READWRITE,
- ARG_MINIMUM_COLUMNS);
- gtk_object_add_arg_type ("ECalendarItem::maximum_rows",
- GTK_TYPE_INT, GTK_ARG_READWRITE,
- ARG_MAXIMUM_ROWS);
- gtk_object_add_arg_type ("ECalendarItem::maximum_columns",
- GTK_TYPE_INT, GTK_ARG_READWRITE,
- ARG_MAXIMUM_COLUMNS);
- gtk_object_add_arg_type ("ECalendarItem::week_start_day",
- GTK_TYPE_INT, GTK_ARG_READWRITE,
- ARG_WEEK_START_DAY);
- gtk_object_add_arg_type ("ECalendarItem::show_week_numbers",
- GTK_TYPE_BOOL, GTK_ARG_READWRITE,
- ARG_SHOW_WEEK_NUMBERS);
- gtk_object_add_arg_type ("ECalendarItem::maximum_days_selected",
- GTK_TYPE_INT, GTK_ARG_READWRITE,
- ARG_MAXIMUM_DAYS_SELECTED);
- gtk_object_add_arg_type ("ECalendarItem::days_to_start_week_selection",
- GTK_TYPE_INT, GTK_ARG_READWRITE,
- ARG_DAYS_TO_START_WEEK_SELECTION);
- gtk_object_add_arg_type ("ECalendarItem::move_selection_when_moving",
- GTK_TYPE_BOOL, GTK_ARG_READWRITE,
- ARG_MOVE_SELECTION_WHEN_MOVING);
- gtk_object_add_arg_type ("ECalendarItem::round_selection_when_moving",
- GTK_TYPE_BOOL, GTK_ARG_READWRITE,
- ARG_ROUND_SELECTION_WHEN_MOVING);
- gtk_object_add_arg_type ("ECalendarItem::display_popup",
- GTK_TYPE_BOOL, GTK_ARG_READWRITE,
- ARG_DISPLAY_POPUP);
-
- e_calendar_item_signals[DATE_RANGE_CHANGED] =
- gtk_signal_new ("date_range_changed",
- GTK_RUN_FIRST,
- object_class->type,
- GTK_SIGNAL_OFFSET (ECalendarItemClass, date_range_changed),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE, 0);
- e_calendar_item_signals[SELECTION_CHANGED] =
- gtk_signal_new ("selection_changed",
- GTK_RUN_FIRST,
- object_class->type,
- GTK_SIGNAL_OFFSET (ECalendarItemClass, selection_changed),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE, 0);
-
- gtk_object_class_add_signals (object_class, e_calendar_item_signals,
- LAST_SIGNAL);
-
-
- object_class->destroy = e_calendar_item_destroy;
- object_class->get_arg = e_calendar_item_get_arg;
- object_class->set_arg = e_calendar_item_set_arg;
-
- /* GnomeCanvasItem method overrides */
- item_class->realize = e_calendar_item_realize;
- item_class->unrealize = e_calendar_item_unrealize;
- item_class->unmap = e_calendar_item_unmap;
- item_class->update = e_calendar_item_update;
- item_class->draw = e_calendar_item_draw;
- item_class->point = e_calendar_item_point;
- item_class->event = e_calendar_item_event;
-
- class->date_range_changed = NULL;
- class->selection_changed = NULL;
-}
-
-
-static void
-e_calendar_item_init (ECalendarItem *calitem)
-{
- struct tm *tmp_tm;
- time_t t;
-
- /* Set the default time to the current month. */
- t = time (NULL);
- tmp_tm = localtime (&t);
- calitem->year = tmp_tm->tm_year + 1900;
- calitem->month = tmp_tm->tm_mon;
-
- calitem->styles = NULL;
-
- calitem->min_cols = 1;
- calitem->min_rows = 1;
- calitem->max_cols = -1;
- calitem->max_rows = -1;
-
- calitem->rows = 0;
- calitem->cols = 0;
-
- calitem->show_week_numbers = FALSE;
- calitem->week_start_day = 0;
- calitem->expand = TRUE;
- calitem->max_days_selected = 1;
- calitem->days_to_start_week_selection = -1;
- calitem->move_selection_when_moving = TRUE;
- calitem->round_selection_when_moving = FALSE;
- calitem->display_popup = TRUE;
-
- calitem->x1 = 0.0;
- calitem->y1 = 0.0;
- calitem->x2 = 0.0;
- calitem->y2 = 0.0;
-
- calitem->selection_set = FALSE;
-
- calitem->selection_changed = FALSE;
- calitem->date_range_changed = FALSE;
-
- calitem->style_callback = NULL;
- calitem->style_callback_data = NULL;
- calitem->style_callback_destroy = NULL;
-
- calitem->time_callback = NULL;
- calitem->time_callback_data = NULL;
- calitem->time_callback_destroy = NULL;
-
- /* Translators: These are the first characters of each day of the
- week, 'M' for 'Monday', 'T' for Tuesday etc. */
- calitem->days = _("MTWTFSS");
-
- calitem->signal_emission_idle_id = 0;
-}
-
-
-static void
-e_calendar_item_destroy (GtkObject *o)
-{
- ECalendarItem *calitem;
-
- calitem = E_CALENDAR_ITEM (o);
-
- e_calendar_item_set_style_callback (calitem, NULL, NULL, NULL);
- e_calendar_item_set_get_time_callback (calitem, NULL, NULL, NULL);
-
- g_free (calitem->styles);
-
- if (calitem->signal_emission_idle_id != 0) {
- g_source_remove (calitem->signal_emission_idle_id);
- calitem->signal_emission_idle_id = 0;
- }
-
- if (calitem->old_font)
- gdk_font_unref (calitem->old_font);
- if (calitem->old_week_number_font)
- gdk_font_unref (calitem->old_week_number_font);
-
- if (GTK_OBJECT_CLASS (parent_class)->destroy)
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (o);
-}
-
-
-static void
-e_calendar_item_get_arg (GtkObject *o, GtkArg *arg, guint arg_id)
-{
- GnomeCanvasItem *item;
- ECalendarItem *calitem;
-
- item = GNOME_CANVAS_ITEM (o);
- calitem = E_CALENDAR_ITEM (o);
-
- switch (arg_id) {
- case ARG_YEAR:
- GTK_VALUE_INT (*arg) = calitem->year;
- break;
- case ARG_MONTH:
- GTK_VALUE_INT (*arg) = calitem->month;
- break;
- case ARG_X1:
- GTK_VALUE_DOUBLE (*arg) = calitem->x1;
- break;
- case ARG_Y1:
- GTK_VALUE_DOUBLE (*arg) = calitem->y1;
- break;
- case ARG_X2:
- GTK_VALUE_DOUBLE (*arg) = calitem->x2;
- break;
- case ARG_Y2:
- GTK_VALUE_DOUBLE (*arg) = calitem->y2;
- break;
- case ARG_FONT:
- GTK_VALUE_BOXED (*arg) = calitem->font;
- break;
- case ARG_WEEK_NUMBER_FONT:
- GTK_VALUE_BOXED (*arg) = calitem->week_number_font;
- break;
- case ARG_ROW_HEIGHT:
- e_calendar_item_recalc_sizes (calitem);
- GTK_VALUE_INT (*arg) = calitem->min_month_height;
- break;
- case ARG_COLUMN_WIDTH:
- e_calendar_item_recalc_sizes (calitem);
- GTK_VALUE_INT (*arg) = calitem->min_month_width;
- break;
- case ARG_MINIMUM_ROWS:
- GTK_VALUE_INT (*arg) = calitem->min_rows;
- break;
- case ARG_MINIMUM_COLUMNS:
- GTK_VALUE_INT (*arg) = calitem->min_cols;
- break;
- case ARG_MAXIMUM_ROWS:
- GTK_VALUE_INT (*arg) = calitem->max_rows;
- break;
- case ARG_MAXIMUM_COLUMNS:
- GTK_VALUE_INT (*arg) = calitem->max_cols;
- break;
- case ARG_WEEK_START_DAY:
- GTK_VALUE_INT (*arg) = calitem->week_start_day;
- break;
- case ARG_SHOW_WEEK_NUMBERS:
- GTK_VALUE_BOOL (*arg) = calitem->show_week_numbers;
- break;
- case ARG_MAXIMUM_DAYS_SELECTED:
- GTK_VALUE_INT (*arg) = e_calendar_item_get_max_days_sel (calitem);
- break;
- case ARG_DAYS_TO_START_WEEK_SELECTION:
- GTK_VALUE_INT (*arg) = e_calendar_item_get_days_start_week_sel (calitem);
- break;
- case ARG_MOVE_SELECTION_WHEN_MOVING:
- GTK_VALUE_BOOL (*arg) = calitem->move_selection_when_moving;
- break;
- case ARG_ROUND_SELECTION_WHEN_MOVING:
- GTK_VALUE_BOOL (*arg) = calitem->round_selection_when_moving;
- break;
- case ARG_DISPLAY_POPUP:
- GTK_VALUE_BOOL (*arg) = e_calendar_item_get_display_popup (calitem);
- break;
- default:
- g_warning ("Invalid arg");
- }
-}
-
-
-static void
-e_calendar_item_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
-{
- GnomeCanvasItem *item;
- ECalendarItem *calitem;
- GdkFont *font;
- gboolean need_update = FALSE;
- gdouble dvalue;
- gint ivalue;
- gboolean bvalue;
-
- item = GNOME_CANVAS_ITEM (o);
- calitem = E_CALENDAR_ITEM (o);
-
- switch (arg_id){
- case ARG_YEAR:
- ivalue = GTK_VALUE_INT (*arg);
- e_calendar_item_set_first_month (calitem, ivalue,
- calitem->month);
- break;
- case ARG_MONTH:
- ivalue = GTK_VALUE_INT (*arg);
- e_calendar_item_set_first_month (calitem, calitem->year,
- ivalue);
- break;
- case ARG_X1:
- dvalue = GTK_VALUE_DOUBLE (*arg);
- if (calitem->x1 != dvalue) {
- calitem->x1 = dvalue;
- need_update = TRUE;
- }
- break;
- case ARG_Y1:
- dvalue = GTK_VALUE_DOUBLE (*arg);
- if (calitem->y1 != dvalue) {
- calitem->y1 = dvalue;
- need_update = TRUE;
- }
- break;
- case ARG_X2:
- dvalue = GTK_VALUE_DOUBLE (*arg);
- if (calitem->x2 != dvalue) {
- calitem->x2 = dvalue;
- need_update = TRUE;
- }
- break;
- case ARG_Y2:
- dvalue = GTK_VALUE_DOUBLE (*arg);
- if (calitem->y2 != dvalue) {
- calitem->y2 = dvalue;
- need_update = TRUE;
- }
- break;
- case ARG_FONT:
- font = GTK_VALUE_BOXED (*arg);
- if (calitem->font != font) {
- if (calitem->font)
- gdk_font_unref (calitem->font);
- calitem->font = font;
- if (font)
- gdk_font_ref (font);
- need_update = TRUE;
- }
- break;
- case ARG_WEEK_NUMBER_FONT:
- font = GTK_VALUE_BOXED (*arg);
- if (calitem->week_number_font != font) {
- if (calitem->week_number_font)
- gdk_font_unref (calitem->week_number_font);
- calitem->week_number_font = font;
- if (font)
- gdk_font_ref (font);
- need_update = TRUE;
- }
- break;
- case ARG_MINIMUM_ROWS:
- ivalue = GTK_VALUE_INT (*arg);
- ivalue = MAX (1, ivalue);
- if (calitem->min_rows != ivalue) {
- calitem->min_rows = ivalue;
- need_update = TRUE;
- }
- break;
- case ARG_MINIMUM_COLUMNS:
- ivalue = GTK_VALUE_INT (*arg);
- ivalue = MAX (1, ivalue);
- if (calitem->min_cols != ivalue) {
- calitem->min_cols = ivalue;
- need_update = TRUE;
- }
- break;
- case ARG_MAXIMUM_ROWS:
- ivalue = GTK_VALUE_INT (*arg);
- if (calitem->max_rows != ivalue) {
- calitem->max_rows = ivalue;
- need_update = TRUE;
- }
- break;
- case ARG_MAXIMUM_COLUMNS:
- ivalue = GTK_VALUE_INT (*arg);
- if (calitem->max_cols != ivalue) {
- calitem->max_cols = ivalue;
- need_update = TRUE;
- }
- break;
- case ARG_WEEK_START_DAY:
- ivalue = GTK_VALUE_INT (*arg);
- if (calitem->week_start_day != ivalue) {
- calitem->week_start_day = ivalue;
- need_update = TRUE;
- }
- break;
- case ARG_SHOW_WEEK_NUMBERS:
- bvalue = GTK_VALUE_BOOL (*arg);
- if (calitem->show_week_numbers != bvalue) {
- calitem->show_week_numbers = bvalue;
- need_update = TRUE;
- }
- break;
- case ARG_MAXIMUM_DAYS_SELECTED:
- ivalue = GTK_VALUE_INT (*arg);
- e_calendar_item_set_max_days_sel (calitem, ivalue);
- break;
- case ARG_DAYS_TO_START_WEEK_SELECTION:
- ivalue = GTK_VALUE_INT (*arg);
- e_calendar_item_set_days_start_week_sel (calitem, ivalue);
- break;
- case ARG_MOVE_SELECTION_WHEN_MOVING:
- bvalue = GTK_VALUE_BOOL (*arg);
- calitem->move_selection_when_moving = bvalue;
- break;
- case ARG_ROUND_SELECTION_WHEN_MOVING:
- bvalue = GTK_VALUE_BOOL (*arg);
- calitem->round_selection_when_moving = bvalue;
- break;
- case ARG_DISPLAY_POPUP:
- bvalue = GTK_VALUE_BOOL (*arg);
- e_calendar_item_set_display_popup (calitem, bvalue);
- break;
- default:
- g_warning ("Invalid arg");
- }
-
- if (need_update) {
- gnome_canvas_item_request_update (item);
- }
-}
-
-
-static void
-e_calendar_item_realize (GnomeCanvasItem *item)
-{
- ECalendarItem *calitem;
- GdkColormap *colormap;
- gboolean success[E_CALENDAR_ITEM_COLOR_LAST];
- gint nfailed;
-
- if (GNOME_CANVAS_ITEM_CLASS (parent_class)->realize)
- (* GNOME_CANVAS_ITEM_CLASS (parent_class)->realize) (item);
-
- calitem = E_CALENDAR_ITEM (item);
-
- colormap = gtk_widget_get_colormap (GTK_WIDGET (item->canvas));
-
- calitem->colors[E_CALENDAR_ITEM_COLOR_TODAY_BOX].red = 65535;
- calitem->colors[E_CALENDAR_ITEM_COLOR_TODAY_BOX].green = 0;
- calitem->colors[E_CALENDAR_ITEM_COLOR_TODAY_BOX].blue = 0;
-
- calitem->colors[E_CALENDAR_ITEM_COLOR_SELECTION_FG].red = 65535;
- calitem->colors[E_CALENDAR_ITEM_COLOR_SELECTION_FG].green = 65535;
- calitem->colors[E_CALENDAR_ITEM_COLOR_SELECTION_FG].blue = 65535;
-
- calitem->colors[E_CALENDAR_ITEM_COLOR_SELECTION_BG].red = 47000;
- calitem->colors[E_CALENDAR_ITEM_COLOR_SELECTION_BG].green = 47000;
- calitem->colors[E_CALENDAR_ITEM_COLOR_SELECTION_BG].blue = 48000;
-
- calitem->colors[E_CALENDAR_ITEM_COLOR_PREV_OR_NEXT_MONTH_FG].red = 47000;
- calitem->colors[E_CALENDAR_ITEM_COLOR_PREV_OR_NEXT_MONTH_FG].green = 47000;
- calitem->colors[E_CALENDAR_ITEM_COLOR_PREV_OR_NEXT_MONTH_FG].blue = 48000;
-
- nfailed = gdk_colormap_alloc_colors (colormap, calitem->colors,
- E_CALENDAR_ITEM_COLOR_LAST, FALSE,
- TRUE, success);
- if (nfailed)
- g_warning ("Failed to allocate all colors");
-}
-
-
-static void
-e_calendar_item_unrealize (GnomeCanvasItem *item)
-{
- ECalendarItem *calitem;
- GdkColormap *colormap;
- gint i;
-
- calitem = E_CALENDAR_ITEM (item);
-
- colormap = gtk_widget_get_colormap (GTK_WIDGET (item->canvas));
-
- for (i = 0; i < E_CALENDAR_ITEM_COLOR_LAST; i++)
- gdk_colors_free (colormap, &calitem->colors[i].pixel, 1, 0);
-
- if (GNOME_CANVAS_ITEM_CLASS (parent_class)->unrealize)
- (* GNOME_CANVAS_ITEM_CLASS (parent_class)->unrealize) (item);
-}
-
-
-static void
-e_calendar_item_unmap (GnomeCanvasItem *item)
-{
- ECalendarItem *calitem;
-
- calitem = E_CALENDAR_ITEM (item);
-
- if (calitem->selecting) {
- gnome_canvas_item_ungrab (item, GDK_CURRENT_TIME);
- calitem->selecting = FALSE;
- }
-
- if (GNOME_CANVAS_ITEM_CLASS (parent_class)->unmap)
- (* GNOME_CANVAS_ITEM_CLASS (parent_class)->unmap) (item);
-}
-
-
-static void
-e_calendar_item_update (GnomeCanvasItem *item,
- double *affine,
- ArtSVP *clip_path,
- int flags)
-{
- ECalendarItem *calitem;
- GtkStyle *style;
- GdkFont *font;
- gint char_height, width, height, space, space_per_cal, space_per_cell;
- gint rows, cols, xthickness, ythickness;
-
- if (GNOME_CANVAS_ITEM_CLASS (parent_class)->update)
- (* GNOME_CANVAS_ITEM_CLASS (parent_class)->update) (item, affine, clip_path, flags);
-
- calitem = E_CALENDAR_ITEM (item);
- style = GTK_WIDGET (item->canvas)->style;
- xthickness = style->klass->xthickness;
- ythickness = style->klass->ythickness;
-
- item->x1 = calitem->x1;
- item->y1 = calitem->y1;
- item->x2 = calitem->x2 >= calitem->x1 ? calitem->x2 : calitem->x1;
- item->y2 = calitem->y2 >= calitem->y1 ? calitem->y2 : calitem->y1;
-
- /*
- * Calculate the new layout of the calendar.
- */
-
- /* Make sure the minimum row width & cell height and the widths of
- all the digits and characters are up to date. */
- e_calendar_item_recalc_sizes (calitem);
-
- /* Calculate how many rows & cols we can fit in. */
- width = item->x2 - item->x1;
- height = item->y2 - item->y1;
-
- width -= xthickness * 2;
- height -= ythickness * 2;
-
- if (calitem->min_month_height == 0)
- rows = 1;
- else
- rows = height / calitem->min_month_height;
- rows = MAX (rows, calitem->min_rows);
- if (calitem->max_rows > 0)
- rows = MIN (rows, calitem->max_rows);
-
- if (calitem->min_month_width == 0)
- cols = 1;
- else
- cols = width / calitem->min_month_width;
- cols = MAX (cols, calitem->min_cols);
- if (calitem->max_cols > 0)
- cols = MIN (cols, calitem->max_cols);
-
- if (rows != calitem->rows || cols != calitem->cols)
- e_calendar_item_date_range_changed (calitem);
-
- calitem->rows = rows;
- calitem->cols = cols;
-
- /* Split up the empty space according to the configuration.
- If the calendar is set to expand, we divide the space between the
- cells and the spaces around the calendar, otherwise we place the
- calendars in the center of the available area. */
-
- font = calitem->font;
- if (!font)
- font = style->font;
- char_height = font->ascent + font->descent;
-
- calitem->month_width = calitem->min_month_width;
- calitem->month_height = calitem->min_month_height;
- calitem->cell_width = calitem->max_digit_width * 2
- + E_CALENDAR_ITEM_MIN_CELL_XPAD;
- calitem->cell_height = char_height
- + E_CALENDAR_ITEM_MIN_CELL_YPAD;
- calitem->month_tpad = 0;
- calitem->month_bpad = 0;
- calitem->month_lpad = 0;
- calitem->month_rpad = 0;
-
- space = height - calitem->rows * calitem->month_height;
- if (space > 0) {
- space_per_cal = space / calitem->rows;
- calitem->month_height += space_per_cal;
-
- if (calitem->expand) {
- space_per_cell = space_per_cal / E_CALENDAR_ROWS_PER_MONTH;
- calitem->cell_height += space_per_cell;
- space_per_cal -= space_per_cell * E_CALENDAR_ROWS_PER_MONTH;
- }
-
- calitem->month_tpad = space_per_cal / 2;
- calitem->month_bpad = space_per_cal - calitem->month_tpad;
- }
-
- space = width - calitem->cols * calitem->month_width;
- if (space > 0) {
- space_per_cal = space / calitem->cols;
- calitem->month_width += space_per_cal;
- space -= space_per_cal * calitem->cols;
-
- if (calitem->expand) {
- space_per_cell = space_per_cal / E_CALENDAR_COLS_PER_MONTH;
- calitem->cell_width += space_per_cell;
- space_per_cal -= space_per_cell * E_CALENDAR_COLS_PER_MONTH;
- }
-
- calitem->month_lpad = space_per_cal / 2;
- calitem->month_rpad = space_per_cal - calitem->month_lpad;
- }
-
- space = MAX (0, space);
- calitem->x_offset = space / 2;
-
- gnome_canvas_request_redraw (item->canvas, item->x1, item->y1,
- item->x2, item->y2);
-}
-
-
-/*
- * DRAWING ROUTINES - functions to paint the canvas item.
- */
-
-static void
-e_calendar_item_draw (GnomeCanvasItem *canvas_item,
- GdkDrawable *drawable,
- int x,
- int y,
- int width,
- int height)
-{
- ECalendarItem *calitem;
- GtkStyle *style;
- GdkFont *font;
- GdkGC *base_gc, *bg_gc;
- gint char_height, row, col, row_y, bar_height, col_x;
- gint xthickness, ythickness;
-
-#if 0
- g_print ("In e_calendar_item_draw %i,%i %ix%i\n",
- x, y, width, height);
-#endif
- calitem = E_CALENDAR_ITEM (canvas_item);
- style = GTK_WIDGET (canvas_item->canvas)->style;
- font = calitem->font;
- if (!font)
- font = style->font;
- char_height = font->ascent + font->descent;
- xthickness = style->klass->xthickness;
- ythickness = style->klass->ythickness;
- base_gc = style->base_gc[GTK_STATE_NORMAL];
- bg_gc = style->bg_gc[GTK_STATE_NORMAL];
-
- /* Clear the entire background. */
- gdk_draw_rectangle (drawable, base_gc, TRUE,
- calitem->x1 - x, calitem->y1 - y,
- calitem->x2 - calitem->x1 + 1,
- calitem->y2 - calitem->y1 + 1);
-
- /* Draw the shadow around the entire item. */
- gtk_draw_shadow (style, drawable,
- GTK_STATE_NORMAL, GTK_SHADOW_IN,
- calitem->x1 - x, calitem->y1 - y,
- calitem->x2 - calitem->x1 + 1,
- calitem->y2 - calitem->y1 + 1);
-
- row_y = canvas_item->y1 + ythickness;
- bar_height = ythickness * 2
- + E_CALENDAR_ITEM_YPAD_ABOVE_MONTH_NAME + char_height
- + E_CALENDAR_ITEM_YPAD_BELOW_MONTH_NAME;
-
- for (row = 0; row < calitem->rows; row++) {
- /* Draw the background for the title bars and the shadow around
- it, and the vertical lines between columns. */
-
- gdk_draw_rectangle (drawable, bg_gc, TRUE,
- calitem->x1 + xthickness - x, row_y - y,
- calitem->x2 - calitem->x1 + 1
- - xthickness * 2,
- bar_height);
-
- gtk_draw_shadow (style, drawable,
- GTK_STATE_NORMAL, GTK_SHADOW_OUT,
- calitem->x1 + xthickness - x, row_y - y,
- calitem->x2 - calitem->x1 + 1
- - xthickness * 2,
- bar_height);
-
-
- for (col = 0; col < calitem->cols; col++) {
- if (col != 0) {
- col_x = calitem->x1 + calitem->x_offset
- + calitem->month_width * col;
- gtk_draw_vline (style, drawable,
- GTK_STATE_NORMAL,
- row_y + ythickness + 1 - y,
- row_y + bar_height
- - ythickness - 2 - y,
- col_x - 1 - x);
- }
-
-
- e_calendar_item_draw_month (calitem, drawable, x, y,
- width, height, row, col);
- }
-
- row_y += calitem->month_height;
- }
-}
-
-
-static void
-e_calendar_item_draw_month (ECalendarItem *calitem,
- GdkDrawable *drawable,
- int x,
- int y,
- int width,
- int height,
- int row,
- int col)
-{
- GnomeCanvasItem *item;
- GtkWidget *widget;
- GtkStyle *style;
- GdkFont *font;
- GdkGC *fg_gc;
- struct tm tmp_tm;
- GdkRectangle clip_rect;
- gint char_height, xthickness, ythickness, start_weekday;
- gint year, month;
- gint month_x, month_y, month_w, month_h;
- gint min_x, max_x, text_x, text_y;
- gint day, day_index, cells_x, cells_y, min_cell_width, text_width;
- gint clip_width, clip_height;
- gchar buffer[64];
-
-#if 0
- g_print ("In e_calendar_item_draw_month: %i,%i %ix%i row:%i col:%i\n",
- x, y, width, height, row, col);
-#endif
- item = GNOME_CANVAS_ITEM (calitem);
- widget = GTK_WIDGET (item->canvas);
- style = widget->style;
- font = calitem->font;
- if (!font)
- font = style->font;
- char_height = font->ascent + font->descent;
- xthickness = style->klass->xthickness;
- ythickness = style->klass->ythickness;
- fg_gc = style->fg_gc[GTK_STATE_NORMAL];
-
- /* Calculate the top-left position of the entire month display. */
- month_x = item->x1 + xthickness + calitem->x_offset
- + col * calitem->month_width - x;
- month_w = item->x2 - item->x1 - xthickness * 2;
- month_w = MIN (month_w, calitem->month_width);
- month_y = item->y1 + ythickness + row * calitem->month_height - y;
- month_h = item->y2 - item->y1 - ythickness * 2;
- month_h = MIN (month_h, calitem->month_height);
-
- /* Just return if the month is outside the given area. */
- if (month_x >= width || month_x + calitem->month_width <= 0
- || month_y >= height || month_y + calitem->month_height <= 0)
- return;
-
- month = calitem->month + row * calitem->cols + col;
- year = calitem->year + month / 12;
- month %= 12;
-
- /* Draw the month name & year, with clipping. Note that the top row
- needs extra space around it for the buttons. */
- if (row == 0 && col == 0)
- min_x = E_CALENDAR_ITEM_XPAD_BEFORE_MONTH_NAME_WITH_BUTTON;
- else
- min_x = E_CALENDAR_ITEM_XPAD_BEFORE_MONTH_NAME;
-
- max_x = month_w;
- if (row == 0 && col == calitem->cols - 1)
- max_x -= E_CALENDAR_ITEM_XPAD_AFTER_MONTH_NAME_WITH_BUTTON;
- else
- max_x -= E_CALENDAR_ITEM_XPAD_AFTER_MONTH_NAME;
-
- text_y = month_y + style->klass->ythickness
- + E_CALENDAR_ITEM_YPAD_ABOVE_MONTH_NAME;
- clip_rect.x = month_x + min_x;
- clip_rect.x = MAX (0, clip_rect.x);
- clip_rect.y = MAX (0, text_y);
-
- memset (&tmp_tm, 0, sizeof (tmp_tm));
- tmp_tm.tm_year = year - 1900;
- tmp_tm.tm_mon = month;
- tmp_tm.tm_mday = 1;
- tmp_tm.tm_isdst = -1;
- mktime (&tmp_tm);
- start_weekday = (tmp_tm.tm_wday + 6) % 7;
-
- if (month_x + max_x - clip_rect.x > 0) {
- clip_rect.width = month_x + max_x - clip_rect.x;
- clip_rect.height = text_y + char_height - clip_rect.y;
- gdk_gc_set_clip_rectangle (fg_gc, &clip_rect);
-
- /* This is a strftime() format. %B = Month name, %Y = Year. */
- strftime (buffer, sizeof (buffer), _("%B %Y"), &tmp_tm);
-
- /* Ideally we place the text centered in the month, but we
- won't go to the left of the minimum x position. */
- text_width = gdk_string_width (font, buffer);
- text_x = (calitem->month_width - text_width) / 2;
- text_x = MAX (min_x, text_x);
-
- gdk_draw_string (drawable, font, fg_gc,
- month_x + text_x, text_y + font->ascent, buffer);
- }
-
- /* Set the clip rectangle for the main month display. */
- clip_rect.x = MAX (0, month_x);
- clip_rect.y = MAX (0, month_y);
- clip_width = month_x + month_w - clip_rect.x;
- clip_height = month_y + month_h - clip_rect.y;
-
- if (clip_width <= 0 || clip_height <= 0)
- return;
-
- clip_rect.width = clip_width;
- clip_rect.height = clip_height;
-
- gdk_gc_set_clip_rectangle (fg_gc, &clip_rect);
-
-
- /* Draw the day initials across the top of the month. */
- min_cell_width = calitem->max_digit_width * 2
- + E_CALENDAR_ITEM_MIN_CELL_XPAD;
-
- cells_x = month_x + E_CALENDAR_ITEM_XPAD_BEFORE_WEEK_NUMBERS + calitem->month_lpad
- + E_CALENDAR_ITEM_XPAD_BEFORE_CELLS;
- if (calitem->show_week_numbers)
- cells_x += calitem->max_week_number_digit_width * 2
- + E_CALENDAR_ITEM_XPAD_AFTER_WEEK_NUMBERS + 1;
- text_x = cells_x + calitem->cell_width
- - (calitem->cell_width - min_cell_width) / 2;
- text_x -= E_CALENDAR_ITEM_MIN_CELL_XPAD / 2;
- text_y = month_y + ythickness * 2
- + E_CALENDAR_ITEM_YPAD_ABOVE_MONTH_NAME
- + char_height + E_CALENDAR_ITEM_YPAD_BELOW_MONTH_NAME
- + E_CALENDAR_ITEM_YPAD_ABOVE_DAY_LETTERS + calitem->month_tpad;
-
- cells_y = text_y + char_height
- + E_CALENDAR_ITEM_YPAD_BELOW_DAY_LETTERS + 1
- + E_CALENDAR_ITEM_YPAD_ABOVE_CELLS;
-
- text_y += font->ascent;
- day_index = calitem->week_start_day;
- for (day = 0; day < 7; day++) {
- gdk_draw_text (drawable, font, fg_gc,
- text_x - calitem->day_widths[day_index], text_y,
- &calitem->days[day_index], 1);
- text_x += calitem->cell_width;
- day_index++;
- if (day_index == 7)
- day_index = 0;
- }
-
-
- /* Draw the horizontal line beneath the day initials. */
- gdk_draw_line (drawable, fg_gc,
- cells_x - E_CALENDAR_ITEM_XPAD_BEFORE_CELLS,
- cells_y - E_CALENDAR_ITEM_YPAD_ABOVE_CELLS - 1,
- cells_x + E_CALENDAR_COLS_PER_MONTH * calitem->cell_width - 1,
- cells_y - E_CALENDAR_ITEM_YPAD_ABOVE_CELLS - 1);
-
- e_calendar_item_draw_day_numbers (calitem, drawable, width, height,
- row, col, year, month, start_weekday,
- cells_x, cells_y);
-
- /* Draw the vertical line after the week number. */
- if (calitem->show_week_numbers) {
- gdk_draw_line (drawable, fg_gc,
- cells_x - E_CALENDAR_ITEM_XPAD_BEFORE_CELLS - 1,
- cells_y - E_CALENDAR_ITEM_YPAD_ABOVE_CELLS - 1,
- cells_x - E_CALENDAR_ITEM_XPAD_BEFORE_CELLS - 1,
- cells_y + E_CALENDAR_ROWS_PER_MONTH * calitem->cell_height - 1);
- }
-
- gdk_gc_set_clip_rectangle (fg_gc, NULL);
-}
-
-
-static void
-e_calendar_item_draw_day_numbers (ECalendarItem *calitem,
- GdkDrawable *drawable,
- int width,
- int height,
- int row,
- int col,
- int year,
- int month,
- int start_weekday,
- gint cells_x,
- gint cells_y)
-{
- GnomeCanvasItem *item;
- GtkWidget *widget;
- GtkStyle *style;
- GdkFont *font, *wkfont;
- GdkGC *fg_gc;
- GdkColor *bg_color, *fg_color, *box_color;
- struct tm today_tm;
- time_t t;
- gint char_height, min_cell_width, min_cell_height;
- gint day_num, drow, dcol, day_x, day_y;
- gint text_x, text_y;
- gint num_chars, digit;
- gint week_num, mon, days_from_week_start;
- gint years[3], months[3], days_in_month[3];
- gboolean today, selected, has_focus = FALSE, drop_target = FALSE;
- gboolean bold, draw_day, finished = FALSE;
- gint today_year, today_month, today_mday, month_offset;
- gchar buffer[2];
- gint day_style = 0;
-
- item = GNOME_CANVAS_ITEM (calitem);
- widget = GTK_WIDGET (item->canvas);
- style = widget->style;
- font = calitem->font;
- if (!font)
- font = style->font;
- wkfont = calitem->week_number_font;
- if (!wkfont)
- wkfont = font;
- fg_gc = style->fg_gc[GTK_STATE_NORMAL];
- char_height = font->ascent + font->descent;
-
- min_cell_width = calitem->max_digit_width * 2
- + E_CALENDAR_ITEM_MIN_CELL_XPAD;
- min_cell_height = char_height + E_CALENDAR_ITEM_MIN_CELL_YPAD;
-
- /* Calculate the number of days in the previous, current, and next
- months. */
- years[0] = years[1] = years[2] = year;
- months[0] = month - 1;
- months[1] = month;
- months[2] = month + 1;
- if (months[0] == -1) {
- months[0] = 11;
- years[0]--;
- }
- if (months[2] == 12) {
- months[2] = 0;
- years[2]++;
- }
-
- days_in_month[0] = DAYS_IN_MONTH (years[0], months[0]);
- days_in_month[1] = DAYS_IN_MONTH (years[1], months[1]);
- days_in_month[2] = DAYS_IN_MONTH (years[2], months[2]);
-
- /* Mon 0 is the previous month, which we may show the end of. Mon 1 is
- the current month, and mon 2 is the next month. */
- mon = 0;
-
- month_offset = row * calitem->cols + col - 1;
- day_num = days_in_month[0];
- days_from_week_start = (start_weekday + 7 - calitem->week_start_day)
- % 7;
- /* For the top-left month we show the end of the previous month, and
- if the new month starts on the first day of the week we show a
- complete week from the previous month. */
- if (days_from_week_start == 0) {
- if (row == 0 && col == 0) {
- day_num -= 6;
- } else {
- mon++;
- month_offset++;
- day_num = 1;
- }
- } else {
- day_num -= days_from_week_start - 1;
- }
-
- /* Get today's date, so we can highlight it. */
- if (calitem->time_callback) {
- today_tm = (*calitem->time_callback) (calitem, calitem->time_callback_data);
- } else {
- t = time (NULL);
- today_tm = *localtime (&t);
- }
- today_year = today_tm.tm_year + 1900;
- today_month = today_tm.tm_mon;
- today_mday = today_tm.tm_mday;
-
- /* We usually skip the last days of the previous month (mon = 0),
- except for the top-left month displayed. */
- draw_day = (mon == 1 || (row == 0 && col == 0));
-
- for (drow = 0; drow < 6; drow++) {
- /* Draw the week number. */
- if (calitem->show_week_numbers) {
- week_num = e_calendar_item_get_week_number (calitem,
- day_num,
- months[mon],
- years[mon]);
-
- text_x = cells_x - E_CALENDAR_ITEM_XPAD_BEFORE_CELLS - 1
- - E_CALENDAR_ITEM_XPAD_AFTER_WEEK_NUMBERS;
- text_y = cells_y + drow * calitem->cell_height +
- + (calitem->cell_height - min_cell_height + 1) / 2;
-
- num_chars = 0;
- if (week_num >= 10) {
- digit = week_num / 10;
- text_x -= calitem->week_number_digit_widths[digit];
- buffer[num_chars++] = digit + '0';
- }
-
- digit = week_num % 10;
- text_x -= calitem->week_number_digit_widths[digit];
- buffer[num_chars++] = digit + '0';
-
- gdk_gc_set_foreground (fg_gc,
- &style->fg[GTK_STATE_NORMAL]);
- gdk_draw_text (drawable, wkfont, fg_gc,
- text_x, text_y + font->ascent,
- buffer, num_chars);
- }
-
- for (dcol = 0; dcol < 7; dcol++) {
- if (draw_day) {
- day_x = cells_x + dcol * calitem->cell_width;
- day_y = cells_y + drow * calitem->cell_height;
-
- today = years[mon] == today_year
- && months[mon] == today_month
- && day_num == today_mday;
-
- selected = calitem->selection_set
- && (calitem->selection_start_month_offset < month_offset
- || (calitem->selection_start_month_offset == month_offset
- && calitem->selection_start_day <= day_num))
- && (calitem->selection_end_month_offset > month_offset
- || (calitem->selection_end_month_offset == month_offset
- && calitem->selection_end_day >= day_num));
-
- if (calitem->styles)
- day_style = calitem->styles[(month_offset + 1) * 32 + day_num];
-
- /* Get the colors & style to use for the day.*/
- if (calitem->style_callback)
- (*calitem->style_callback)
- (calitem,
- years[mon],
- months[mon],
- day_num,
- day_style,
- today,
- mon != 1,
- selected,
- has_focus,
- drop_target,
- &bg_color,
- &fg_color,
- &box_color,
- &bold,
- calitem->style_callback_data);
- else
- e_calendar_item_get_day_style
- (calitem,
- years[mon],
- months[mon],
- day_num,
- day_style,
- today,
- mon != 1,
- selected,
- has_focus,
- drop_target,
- &bg_color,
- &fg_color,
- &box_color,
- &bold);
-
- /* Draw the background, if set. */
- if (bg_color) {
- gdk_gc_set_foreground (fg_gc, bg_color);
- gdk_draw_rectangle (drawable, fg_gc,
- TRUE,
- day_x, day_y,
- calitem->cell_width,
- calitem->cell_height);
- }
-
- /* Draw the box, if set. */
- if (box_color) {
- gdk_gc_set_foreground (fg_gc, box_color);
- gdk_draw_rectangle (drawable, fg_gc,
- FALSE,
- day_x, day_y,
- calitem->cell_width - 1,
- calitem->cell_height - 1);
- }
-
- /* Draw the 1- or 2-digit day number. */
- day_x += calitem->cell_width - (calitem->cell_width - min_cell_width) / 2;
- day_x -= E_CALENDAR_ITEM_MIN_CELL_XPAD / 2;
- day_y += (calitem->cell_height - min_cell_height + 1) / 2;
- day_y += E_CALENDAR_ITEM_MIN_CELL_YPAD / 2;
-
- num_chars = 0;
- if (day_num >= 10) {
- digit = day_num / 10;
- day_x -= calitem->digit_widths[digit];
- buffer[num_chars++] = digit + '0';
- }
-
- digit = day_num % 10;
- day_x -= calitem->digit_widths[digit];
- buffer[num_chars++] = digit + '0';
-
- if (fg_color) {
- gdk_gc_set_foreground (fg_gc,
- fg_color);
- } else {
- gdk_gc_set_foreground (fg_gc,
- &style->fg[GTK_STATE_NORMAL]);
- }
-
- gdk_draw_text (drawable, font, fg_gc,
- day_x,
- day_y + font->ascent,
- buffer, num_chars);
- /* We use a stupid technique for bold. Just
- draw it again 1 pixel to the left. */
- if (bold)
- gdk_draw_text (drawable, font, fg_gc,
- day_x - 1,
- day_y + font->ascent,
- buffer, num_chars);
- }
-
- /* See if we've reached the end of a month. */
- if (day_num == days_in_month[mon]) {
- month_offset++;
- mon++;
- /* We only draw the start of the next month
- for the bottom-right month displayed. */
- if (mon == 2 && (row != calitem->rows - 1
- || col != calitem->cols - 1)) {
- /* Set a flag so we exit the loop. */
- finished = TRUE;
- break;
- }
- day_num = 1;
- draw_day = TRUE;
- } else {
- day_num++;
- }
- }
-
- /* Exit the loop if the flag is set. */
- if (finished)
- break;
- }
-
- /* Reset the foreground color. */
- gdk_gc_set_foreground (fg_gc, &style->fg[GTK_STATE_NORMAL]);
-}
-
-
-static gint
-e_calendar_item_get_week_number (ECalendarItem *calitem,
- gint day,
- gint month,
- gint year)
-{
- GDate tmp_date;
- gint weekday, yearday, offset, week_num;
-
- /* FIXME: check what happens at year boundaries. */
-
- g_date_clear (&tmp_date, 1);
- g_date_set_dmy (&tmp_date, day, month + 1, year);
-
- /* This results in a value of 0 (Monday) - 6 (Sunday). */
- weekday = g_date_weekday (&tmp_date) - 1;
-
- /* Calculate the offset from the start of the week. */
- offset = (calitem->week_start_day + 7 - weekday) % 7;
-
- /* Calculate the day of the year, from 0 to 365. */
- yearday = g_date_day_of_year (&tmp_date) - 1;
-
- /* If the week starts on or after 29th December, it is week 1 of the
- next year, since there are 4 days in the next year. */
- g_date_subtract_days (&tmp_date, offset);
- if (g_date_month (&tmp_date) == 12 && g_date_day (&tmp_date) >= 29)
- return 1;
-
- /* Calculate the week number, from 0. */
- week_num = (yearday - offset) / 7;
-
- /* If the first week starts on or after Jan 5th, then we need to add
- 1 since the previous week will really be the first week. */
- if ((yearday - offset) % 7 >= 4)
- week_num++;
-
- /* Add 1 so week numbers are from 1 to 53. */
- return week_num + 1;
-}
-
-
-
-/* This is supposed to return the nearest item the the point and the distance.
- Since we are the only item we just return ourself and 0 for the distance.
- This is needed so that we get button/motion events. */
-static double
-e_calendar_item_point (GnomeCanvasItem *item, double x, double y,
- int cx, int cy,
- GnomeCanvasItem **actual_item)
-{
- *actual_item = item;
- return 0.0;
-}
-
-
-static gint
-e_calendar_item_event (GnomeCanvasItem *item, GdkEvent *event)
-{
- ECalendarItem *calitem;
-
- calitem = E_CALENDAR_ITEM (item);
-
- switch (event->type) {
- case GDK_BUTTON_PRESS:
- return e_calendar_item_button_press (calitem, event);
- case GDK_BUTTON_RELEASE:
- return e_calendar_item_button_release (calitem, event);
- case GDK_MOTION_NOTIFY:
- return e_calendar_item_motion (calitem, event);
- default:
- break;
- }
-
- return FALSE;
-}
-
-
-
-/* This checks if any fonts have changed, and if so it recalculates the
- text sizes and the minimum month size. */
-static void
-e_calendar_item_recalc_sizes (ECalendarItem *calitem)
-{
- GnomeCanvasItem *canvas_item;
- GtkStyle *style;
- GdkFont *font, *wkfont;
- gchar *digits = "0123456789";
- gint day, digit, max_digit_width, max_week_number_digit_width;
- gint char_height, width, min_cell_width, min_cell_height;
-
- canvas_item = GNOME_CANVAS_ITEM (calitem);
- style = GTK_WIDGET (canvas_item->canvas)->style;
-
- if (!style)
- return;
-
- font = calitem->font;
- if (!font)
- font = style->font;
- wkfont = calitem->week_number_font;
- if (!wkfont)
- wkfont = font;
-
- g_return_if_fail (font != NULL);
- g_return_if_fail (wkfont != NULL);
-
- char_height = font->ascent + font->descent;
-
- /* If both fonts are the same, just return. */
- if (font != calitem->old_font
- || wkfont != calitem->old_week_number_font) {
- if (calitem->old_font)
- gdk_font_unref (calitem->old_font);
- calitem->old_font = font;
- gdk_font_ref (font);
-
- if (calitem->old_week_number_font)
- gdk_font_unref (calitem->old_week_number_font);
- calitem->old_week_number_font = wkfont;
- gdk_font_ref (wkfont);
-
- for (day = 0; day < 7; day++)
- calitem->day_widths[day] = gdk_char_width (font, calitem->days[day]);
-
- max_digit_width = 0;
- max_week_number_digit_width = 0;
- for (digit = 0; digit < 10; digit++) {
- width = gdk_char_width (font, digits[digit]);
- calitem->digit_widths[digit] = width;
- max_digit_width = MAX (max_digit_width, width);
-
- if (wkfont) {
- width = gdk_char_width (wkfont, digits[digit]);
- calitem->week_number_digit_widths[digit] = width;
- max_week_number_digit_width = MAX (max_week_number_digit_width, width);
- } else {
- calitem->week_number_digit_widths[digit] = width;
- max_week_number_digit_width = max_digit_width;
- }
- }
- calitem->max_digit_width = max_digit_width;
- calitem->max_week_number_digit_width = max_week_number_digit_width;
- }
-
- min_cell_width = calitem->max_digit_width * 2
- + E_CALENDAR_ITEM_MIN_CELL_XPAD;
- min_cell_height = char_height + E_CALENDAR_ITEM_MIN_CELL_YPAD;
-
- calitem->min_month_width = E_CALENDAR_ITEM_XPAD_BEFORE_WEEK_NUMBERS
- + E_CALENDAR_ITEM_XPAD_BEFORE_CELLS + min_cell_width * 7
- + E_CALENDAR_ITEM_XPAD_AFTER_CELLS;
- if (calitem->show_week_numbers) {
- calitem->min_month_width += calitem->max_week_number_digit_width * 2
- + E_CALENDAR_ITEM_XPAD_AFTER_WEEK_NUMBERS + 1;
- }
-
- calitem->min_month_height = style->klass->ythickness * 2
- + E_CALENDAR_ITEM_YPAD_ABOVE_MONTH_NAME + char_height
- + E_CALENDAR_ITEM_YPAD_BELOW_MONTH_NAME + 1
- + E_CALENDAR_ITEM_YPAD_ABOVE_DAY_LETTERS
- + char_height + E_CALENDAR_ITEM_YPAD_BELOW_DAY_LETTERS + 1
- + E_CALENDAR_ITEM_YPAD_ABOVE_CELLS + min_cell_height * 6
- + E_CALENDAR_ITEM_YPAD_BELOW_CELLS;
-}
-
-
-static void
-e_calendar_item_get_day_style (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)
-{
- *bg_color = NULL;
- *fg_color = NULL;
- *box_color = NULL;
- *bold = FALSE;
-
- if (day_style == 1)
- *bold = TRUE;
-
- if (today)
- *box_color = &calitem->colors[E_CALENDAR_ITEM_COLOR_TODAY_BOX];
-
- if (prev_or_next_month)
- *fg_color = &calitem->colors[E_CALENDAR_ITEM_COLOR_PREV_OR_NEXT_MONTH_FG];
-
- if (selected) {
- *fg_color = &calitem->colors[E_CALENDAR_ITEM_COLOR_SELECTION_FG];
- *bg_color = &calitem->colors[E_CALENDAR_ITEM_COLOR_SELECTION_BG];
- }
-}
-
-
-
-static gboolean
-e_calendar_item_button_press (ECalendarItem *calitem,
- GdkEvent *event)
-{
- gint month_offset, day;
- gboolean all_week, round_up_end = FALSE, round_down_start = FALSE;
-
- if (event->button.button == 4)
- e_calendar_item_set_first_month (calitem, calitem->year,
- calitem->month - 1);
- else if (event->button.button == 5)
- e_calendar_item_set_first_month (calitem, calitem->year,
- calitem->month + 1);
-
- if (!e_calendar_item_convert_position_to_day (calitem,
- event->button.x,
- event->button.y,
- TRUE,
- &month_offset, &day,
- &all_week))
- return FALSE;
-
- if (event->button.button == 3 && day == -1
- && e_calendar_item_get_display_popup (calitem)) {
- e_calendar_item_show_popup_menu (calitem,
- (GdkEventButton*) event,
- month_offset);
- return TRUE;
- }
-
- if (event->button.button != 1 || day == -1)
- return FALSE;
-
- if (calitem->max_days_selected < 1)
- return TRUE;
-
- if (gnome_canvas_item_grab (GNOME_CANVAS_ITEM (calitem),
- GDK_POINTER_MOTION_MASK
- | GDK_BUTTON_RELEASE_MASK,
- NULL, event->button.time) != 0)
- return FALSE;
-
- calitem->selection_set = TRUE;
- calitem->selection_start_month_offset = month_offset;
- calitem->selection_start_day = day;
- calitem->selection_end_month_offset = month_offset;
- calitem->selection_end_day = day;
-
- calitem->selection_real_start_month_offset = month_offset;
- calitem->selection_real_start_day = day;
-
- calitem->selection_from_full_week = FALSE;
- calitem->selecting = TRUE;
- calitem->selection_dragging_end = TRUE;
-
- if (all_week) {
- calitem->selection_from_full_week = TRUE;
- round_up_end = TRUE;
- }
-
- if (calitem->days_to_start_week_selection == 1) {
- round_down_start = TRUE;
- round_up_end = TRUE;
- }
-
- /* Don't round up or down if we can't select a week or more. */
- if (calitem->max_days_selected < 7) {
- round_down_start = FALSE;
- round_up_end = FALSE;
- }
-
- if (round_up_end)
- e_calendar_item_round_up_selection (calitem, &calitem->selection_end_month_offset, &calitem->selection_end_day);
-
- if (round_down_start)
- e_calendar_item_round_down_selection (calitem, &calitem->selection_start_month_offset, &calitem->selection_start_day);
-
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (calitem));
-
- return TRUE;
-}
-
-
-static gboolean
-e_calendar_item_button_release (ECalendarItem *calitem,
- GdkEvent *event)
-{
- if (!calitem->selecting)
- return FALSE;
-
- gnome_canvas_item_ungrab (GNOME_CANVAS_ITEM (calitem),
- event->button.time);
-
- calitem->selecting = FALSE;
-
- /* If the user selects the grayed dates before the first month or
- after the last month, we move backwards or forwards one month.
- The set_month() call should take care of updating the selection. */
- if (calitem->selection_end_month_offset == -1)
- e_calendar_item_set_first_month (calitem, calitem->year,
- calitem->month - 1);
- else if (calitem->selection_start_month_offset == calitem->rows * calitem->cols)
- e_calendar_item_set_first_month (calitem, calitem->year,
- calitem->month + 1);
-
- calitem->selection_changed = TRUE;
- e_calendar_item_queue_signal_emission (calitem);
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (calitem));
-
- return FALSE;
-}
-
-
-static gboolean
-e_calendar_item_motion (ECalendarItem *calitem,
- GdkEvent *event)
-{
- gint start_month, start_day, end_month, end_day, month_offset, day;
- gint tmp_month, tmp_day, days_in_selection;
- gboolean all_week, round_up_end = FALSE, round_down_start = FALSE;
-
- if (!calitem->selecting)
- return FALSE;
-
- if (!e_calendar_item_convert_position_to_day (calitem,
- event->button.x,
- event->button.y,
- TRUE,
- &month_offset, &day,
- &all_week))
- return FALSE;
-
- if (day == -1)
- return FALSE;
-
- if (calitem->selection_dragging_end) {
- start_month = calitem->selection_real_start_month_offset;
- start_day = calitem->selection_real_start_day;
- end_month = month_offset;
- end_day = day;
- } else {
- start_month = month_offset;
- start_day = day;
- end_month = calitem->selection_real_start_month_offset;
- end_day = calitem->selection_real_start_day;
- }
-
- if (start_month > end_month || (start_month == end_month
- && start_day > end_day)) {
- tmp_month = start_month;
- tmp_day = start_day;
- start_month = end_month;
- start_day = end_day;
- end_month = tmp_month;
- end_day = tmp_day;
-
- calitem->selection_dragging_end = !calitem->selection_dragging_end;
- }
-
- if (calitem->days_to_start_week_selection > 0) {
- days_in_selection = e_calendar_item_get_inclusive_days (calitem, start_month, start_day, end_month, end_day);
- if (days_in_selection >= calitem->days_to_start_week_selection) {
- round_down_start = TRUE;
- round_up_end = TRUE;
- }
- }
-
- /* If we are over a week number and we are dragging the end of the
- selection, we round up to the end of this week. */
- if (all_week && calitem->selection_dragging_end)
- round_up_end = TRUE;
-
- /* If the selection was started from a week number and we are dragging
- the start of the selection, we need to round up the end to include
- all of the original week selected. */
- if (calitem->selection_from_full_week
- && !calitem->selection_dragging_end)
- round_up_end = TRUE;
-
- /* Don't round up or down if we can't select a week or more. */
- if (calitem->max_days_selected < 7) {
- round_down_start = FALSE;
- round_up_end = FALSE;
- }
-
- if (round_up_end)
- e_calendar_item_round_up_selection (calitem, &end_month,
- &end_day);
- if (round_down_start)
- e_calendar_item_round_down_selection (calitem, &start_month,
- &start_day);
-
-
- /* Check we don't go over the maximum number of days to select. */
- if (calitem->selection_dragging_end) {
- e_calendar_item_check_selection_end (calitem,
- start_month,
- start_day,
- &end_month,
- &end_day);
- } else {
- e_calendar_item_check_selection_start (calitem,
- &start_month,
- &start_day,
- end_month,
- end_day);
- }
-
- if (start_month == calitem->selection_start_month_offset
- && start_day == calitem->selection_start_day
- && end_month == calitem->selection_end_month_offset
- && end_day == calitem->selection_end_day)
- return FALSE;
-
- calitem->selection_start_month_offset = start_month;
- calitem->selection_start_day = start_day;
- calitem->selection_end_month_offset = end_month;
- calitem->selection_end_day = end_day;
-
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (calitem));
-
- return TRUE;
-}
-
-
-static void
-e_calendar_item_check_selection_end (ECalendarItem *calitem,
- gint start_month,
- gint start_day,
- gint *end_month,
- gint *end_day)
-{
- gint year, month, max_month, max_day, days_in_month;
-
- if (calitem->max_days_selected <= 0)
- return;
-
- year = calitem->year;
- month = calitem->month + start_month;
- e_calendar_item_normalize_date (calitem, &year, &month);
-
- max_month = start_month;
- max_day = start_day + calitem->max_days_selected - 1;
-
- for (;;) {
- days_in_month = DAYS_IN_MONTH (year, month);
- if (max_day <= days_in_month)
- break;
- max_month++;
- month++;
- if (month == 12) {
- year++;
- month = 0;
- }
- max_day -= days_in_month;
- }
-
- if (*end_month > max_month) {
- *end_month = max_month;
- *end_day = max_day;
- } else if (*end_month == max_month && *end_day > max_day) {
- *end_day = max_day;
- }
-}
-
-
-static void
-e_calendar_item_check_selection_start (ECalendarItem *calitem,
- gint *start_month,
- gint *start_day,
- gint end_month,
- gint end_day)
-{
- gint year, month, min_month, min_day, days_in_month;
-
- if (calitem->max_days_selected <= 0)
- return;
-
- year = calitem->year;
- month = calitem->month + end_month;
- e_calendar_item_normalize_date (calitem, &year, &month);
-
- min_month = end_month;
- min_day = end_day - calitem->max_days_selected + 1;
-
- while (min_day <= 0) {
- min_month--;
- month--;
- if (month == -1) {
- year--;
- month = 11;
- }
- days_in_month = DAYS_IN_MONTH (year, month);
- min_day += days_in_month;
- }
-
- if (*start_month < min_month) {
- *start_month = min_month;
- *start_day = min_day;
- } else if (*start_month == min_month && *start_day < min_day) {
- *start_day = min_day;
- }
-}
-
-
-/* Converts a position within the item to a month & day.
- The month returned is 0 for the top-left month displayed.
- If the position is over the month heading -1 is returned for the day.
- If the position is over a week number the first day of the week is returned
- and entire_week is set to TRUE.
- It returns FALSE if the position is completely outside all months. */
-static gboolean
-e_calendar_item_convert_position_to_day (ECalendarItem *calitem,
- gint event_x,
- gint event_y,
- gboolean round_empty_positions,
- gint *month_offset,
- gint *day,
- gboolean *entire_week)
-{
- GnomeCanvasItem *item;
- GtkWidget *widget;
- GtkStyle *style;
- gint xthickness, ythickness, char_height;
- gint x, y, row, col, cells_x, cells_y, day_row, day_col;
- gint first_day_offset, days_in_month, days_in_prev_month;
- gint week_num_x1, week_num_x2;
-
- item = GNOME_CANVAS_ITEM (calitem);
- widget = GTK_WIDGET (item->canvas);
- style = widget->style;
- char_height = style->font->ascent + style->font->descent;
- xthickness = style->klass->xthickness;
- ythickness = style->klass->ythickness;
-
- *entire_week = FALSE;
-
- x = event_x - xthickness - calitem->x_offset;
- y = event_y - ythickness;
-
- if (x < 0 || y < 0)
- return FALSE;
-
- row = y / calitem->month_height;
- col = x / calitem->month_width;
-
- if (row >= calitem->rows || col >= calitem->cols)
- return FALSE;
-
- *month_offset = row * calitem->cols + col;
-
- x = x % calitem->month_width;
- y = y % calitem->month_height;
-
- if (y < ythickness * 2 + E_CALENDAR_ITEM_YPAD_ABOVE_MONTH_NAME
- + char_height + E_CALENDAR_ITEM_YPAD_BELOW_MONTH_NAME) {
- *day = -1;
- return TRUE;
- }
-
- cells_y = ythickness * 2 + E_CALENDAR_ITEM_YPAD_ABOVE_MONTH_NAME
- + char_height + E_CALENDAR_ITEM_YPAD_BELOW_MONTH_NAME
- + E_CALENDAR_ITEM_YPAD_ABOVE_DAY_LETTERS + calitem->month_tpad
- + char_height + E_CALENDAR_ITEM_YPAD_BELOW_DAY_LETTERS + 1
- + E_CALENDAR_ITEM_YPAD_ABOVE_CELLS;
- y -= cells_y;
- if (y < 0)
- return FALSE;
- day_row = y / calitem->cell_height;
- if (day_row >= E_CALENDAR_ROWS_PER_MONTH)
- return FALSE;
-
- week_num_x1 = E_CALENDAR_ITEM_XPAD_BEFORE_WEEK_NUMBERS + calitem->month_lpad;
-
- if (calitem->show_week_numbers) {
- week_num_x2 = week_num_x1
- + calitem->max_week_number_digit_width * 2;
- if (x >= week_num_x1 && x < week_num_x2)
- *entire_week = TRUE;
- cells_x = week_num_x2 + E_CALENDAR_ITEM_XPAD_AFTER_WEEK_NUMBERS + 1;
- } else {
- cells_x = week_num_x1;
- }
-
- if (*entire_week) {
- day_col = 0;
- } else {
- cells_x += E_CALENDAR_ITEM_XPAD_BEFORE_CELLS;
- x -= cells_x;
- if (x < 0)
- return FALSE;
- day_col = x / calitem->cell_width;
- if (day_col >= E_CALENDAR_COLS_PER_MONTH)
- return FALSE;
- }
-
- *day = day_row * E_CALENDAR_COLS_PER_MONTH + day_col;
-
- e_calendar_item_get_month_info (calitem, row, col, &first_day_offset,
- &days_in_month, &days_in_prev_month);
- if (*day < first_day_offset) {
- if (*entire_week || (row == 0 && col == 0)) {
- (*month_offset)--;
- *day = days_in_prev_month + 1 - first_day_offset
- + *day;
- return TRUE;
- } else if (round_empty_positions) {
- *day = first_day_offset;
- } else {
- return FALSE;
- }
- }
-
- *day -= first_day_offset - 1;
-
- if (*day > days_in_month) {
- if (row == calitem->rows - 1 && col == calitem->cols - 1) {
- (*month_offset)++;
- *day -= days_in_month;
- return TRUE;
- } else if (round_empty_positions) {
- *day = days_in_month;
- } else {
- return FALSE;
- }
- }
-
- return TRUE;
-}
-
-
-static void
-e_calendar_item_get_month_info (ECalendarItem *calitem,
- gint row,
- gint col,
- gint *first_day_offset,
- gint *days_in_month,
- gint *days_in_prev_month)
-{
- gint year, month, start_weekday, first_day_of_month;
- struct tm tmp_tm = { 0 };
-
- month = calitem->month + row * calitem->cols + col;
- year = calitem->year + month / 12;
- month = month % 12;
-
- *days_in_month = DAYS_IN_MONTH (year, month);
- if (month == 0)
- *days_in_prev_month = DAYS_IN_MONTH (year - 1, 11);
- else
- *days_in_prev_month = DAYS_IN_MONTH (year, month - 1);
-
- tmp_tm.tm_year = year - 1900;
- tmp_tm.tm_mon = month;
- tmp_tm.tm_mday = 1;
- tmp_tm.tm_isdst = -1;
- mktime (&tmp_tm);
-
- /* Convert to 0 (Monday) to 6 (Sunday). */
- start_weekday = (tmp_tm.tm_wday + 6) % 7;
-
- first_day_of_month = (start_weekday + 7 - calitem->week_start_day) % 7;
-
- if (row == 0 && col == 0 && first_day_of_month == 0)
- *first_day_offset = 7;
- else
- *first_day_offset = first_day_of_month;
-}
-
-
-void
-e_calendar_item_get_first_month(ECalendarItem *calitem,
- gint *year,
- gint *month)
-{
- *year = calitem->year;
- *month = calitem->month;
-}
-
-
-/* This also handles values of month < 0 or > 11 by updating the year. */
-void
-e_calendar_item_set_first_month(ECalendarItem *calitem,
- gint year,
- gint month)
-{
- gint new_year, new_month, months_diff, num_months;
- gint old_days_in_selection, new_days_in_selection;
-
- new_year = year;
- new_month = month;
- e_calendar_item_normalize_date (calitem, &new_year, &new_month);
-
- if (calitem->year == new_year && calitem->month == new_month)
- return;
-
- /* Update the selection. */
- num_months = calitem->rows * calitem->cols;
- months_diff = (new_year - calitem->year) * 12
- + new_month - calitem->month;
-
- if (calitem->selection_set) {
- if (!calitem->move_selection_when_moving
- || (calitem->selection_start_month_offset - months_diff >= 0
- && calitem->selection_end_month_offset - months_diff < num_months)) {
- calitem->selection_start_month_offset -= months_diff;
- calitem->selection_end_month_offset -= months_diff;
- calitem->selection_real_start_month_offset -= months_diff;
-
- calitem->year = new_year;
- calitem->month = new_month;
- } else {
- old_days_in_selection = e_calendar_item_get_inclusive_days (calitem, calitem->selection_start_month_offset, calitem->selection_start_day, calitem->selection_end_month_offset, calitem->selection_end_day);
-
- /* Make sure the selection will be displayed. */
- if (calitem->selection_start_month_offset < 0
- || calitem->selection_start_month_offset >= num_months) {
- calitem->selection_end_month_offset -= calitem->selection_start_month_offset;
- calitem->selection_start_month_offset = 0;
- }
-
- /* We want to ensure that the same number of days are
- selected after we have moved the selection. */
- calitem->year = new_year;
- calitem->month = new_month;
-
- e_calendar_item_ensure_valid_day (calitem, &calitem->selection_start_month_offset, &calitem->selection_start_day);
- e_calendar_item_ensure_valid_day (calitem, &calitem->selection_end_month_offset, &calitem->selection_end_day);
-
- if (calitem->round_selection_when_moving) {
- e_calendar_item_round_down_selection (calitem, &calitem->selection_start_month_offset, &calitem->selection_start_day);
- }
-
- new_days_in_selection = e_calendar_item_get_inclusive_days (calitem, calitem->selection_start_month_offset, calitem->selection_start_day, calitem->selection_end_month_offset, calitem->selection_end_day);
-
- if (old_days_in_selection != new_days_in_selection)
- e_calendar_item_add_days_to_selection (calitem, old_days_in_selection - new_days_in_selection);
-
- /* Flag that we need to emit the "selection_changed"
- signal. We don't want to emit it here since setting
- the "year" and "month" args would result in 2
- signals emitted. */
- calitem->selection_changed = TRUE;
- }
- } else {
- calitem->year = new_year;
- calitem->month = new_month;
- }
-
- e_calendar_item_date_range_changed (calitem);
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (calitem));
-}
-
-/* Get the maximum number of days selectable */
-gint
-e_calendar_item_get_max_days_sel (ECalendarItem *calitem)
-{
- return calitem->max_days_selected;
-}
-
-
-/* Set the maximum number of days selectable */
-void
-e_calendar_item_set_max_days_sel (ECalendarItem *calitem,
- gint days)
-{
- calitem->max_days_selected = MAX (0, days);
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (calitem));
-}
-
-
-/* Get the maximum number of days before whole weeks are selected */
-gint
-e_calendar_item_get_days_start_week_sel(ECalendarItem *calitem)
-{
- return calitem->days_to_start_week_selection;
-}
-
-
-/* Set the maximum number of days before whole weeks are selected */
-void
-e_calendar_item_set_days_start_week_sel(ECalendarItem *calitem,
- gint days)
-{
- calitem->days_to_start_week_selection = days;
-}
-
-gboolean
-e_calendar_item_get_display_popup (ECalendarItem *calitem)
-{
- return calitem->display_popup;
-}
-
-
-void
-e_calendar_item_set_display_popup (ECalendarItem *calitem,
- gboolean display)
-{
- calitem->display_popup = display;
-}
-
-
-/* This will make sure that the given year & month are valid, i.e. if month
- is < 0 or > 11 the year and month will be updated accordingly. */
-static void
-e_calendar_item_normalize_date (ECalendarItem *calitem,
- gint *year,
- gint *month)
-{
- if (*month >= 0) {
- *year += *month / 12;
- *month = *month % 12;
- } else {
- *year += *month / 12 - 1;
- *month = *month % 12;
- if (*month != 0)
- *month += 12;
- }
-}
-
-
-/* Adds or subtracts days from the selection. It is used when we switch months
- and the selection extends past the end of a month but we want to keep the
- number of days selected the same. days should not be more than 30. */
-static void
-e_calendar_item_add_days_to_selection (ECalendarItem *calitem,
- gint days)
-{
- gint year, month, days_in_month;
-
- year = calitem->year;
- month = calitem->month + calitem->selection_end_month_offset;
- e_calendar_item_normalize_date (calitem, &year, &month);
-
- calitem->selection_end_day += days;
- if (calitem->selection_end_day <= 0) {
- month--;
- e_calendar_item_normalize_date (calitem, &year, &month);
- calitem->selection_end_month_offset--;
- calitem->selection_end_day += DAYS_IN_MONTH (year, month);
- } else {
- days_in_month = DAYS_IN_MONTH (year, month);
- if (calitem->selection_end_day > days_in_month) {
- calitem->selection_end_month_offset++;
- calitem->selection_end_day -= days_in_month;
- }
- }
-}
-
-
-/* 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)
-{
- gint first_day_offset, days_in_month, days_in_prev_month;
-
- if (calitem->rows == 0 || calitem->cols == 0)
- return FALSE;
-
- /* Calculate the first day shown. This will be one of the greyed-out
- days before the first full month begins. */
- e_calendar_item_get_month_info (calitem, 0, 0, &first_day_offset,
- &days_in_month, &days_in_prev_month);
- *start_year = calitem->year;
- *start_month = calitem->month - 1;
- if (*start_month == -1) {
- (*start_year)--;
- *start_month = 11;
- }
- *start_day = days_in_prev_month + 1 - first_day_offset;
-
-
- /* Calculate the last day shown. This will be one of the greyed-out
- days after the last full month ends. */
- e_calendar_item_get_month_info (calitem, calitem->rows - 1,
- calitem->cols - 1, &first_day_offset,
- &days_in_month, &days_in_prev_month);
- *end_month = calitem->month + calitem->rows * calitem->cols;
- *end_year = calitem->year + *end_month / 12;
- *end_month %= 12;
- *end_day = E_CALENDAR_ROWS_PER_MONTH * E_CALENDAR_COLS_PER_MONTH
- - first_day_offset - days_in_month;
-
- return TRUE;
-}
-
-
-/* Simple way to mark days so they appear bold.
- A more flexible interface may be added later. */
-void
-e_calendar_item_clear_marks (ECalendarItem *calitem)
-{
- GnomeCanvasItem *item;
-
- item = GNOME_CANVAS_ITEM (calitem);
-
- g_free (calitem->styles);
- calitem->styles = NULL;
-
- gnome_canvas_request_redraw (item->canvas, item->x1, item->y1,
- item->x2, item->y2);
-}
-
-
-void
-e_calendar_item_mark_day (ECalendarItem *calitem,
- gint year,
- gint month,
- gint day,
- guint8 day_style)
-{
- gint month_offset;
-
- month_offset = (year - calitem->year) * 12 + month - calitem->month;
- if (month_offset < -1 || month_offset > calitem->rows * calitem->cols)
- return;
-
- if (!calitem->styles)
- calitem->styles = g_new0 (guint8, (calitem->rows * calitem->cols + 2) * 32);
-
- calitem->styles[(month_offset + 1) * 32 + day] = day_style;
-
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (calitem));
-}
-
-
-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)
-{
- gint month_offset, end_month_offset, day;
-
- month_offset = (start_year - calitem->year) * 12 + start_month
- - calitem->month;
- day = start_day;
- if (month_offset > calitem->rows * calitem->cols)
- return;
- if (month_offset < -1) {
- month_offset = -1;
- day = 1;
- }
-
- end_month_offset = (end_year - calitem->year) * 12 + end_month
- - calitem->month;
- if (end_month_offset < -1)
- return;
- if (end_month_offset > calitem->rows * calitem->cols) {
- end_month_offset = calitem->rows * calitem->cols;
- end_day = 31;
- }
-
- if (month_offset > end_month_offset)
- return;
-
- if (!calitem->styles)
- calitem->styles = g_new0 (guint8, (calitem->rows * calitem->cols + 2) * 32);
-
- for (;;) {
- if (month_offset == end_month_offset && day > end_day)
- break;
-
- calitem->styles[(month_offset + 1) * 32 + day] = day_style;
-
- day++;
- if (day == 32) {
- month_offset++;
- day = 1;
- if (month_offset > end_month_offset)
- break;
- }
- }
-
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (calitem));
-}
-
-
-/* Rounds up the given day to the end of the week. */
-static void
-e_calendar_item_round_up_selection (ECalendarItem *calitem,
- gint *month_offset,
- gint *day)
-{
- gint year, month, weekday, days, days_in_month;
- struct tm tmp_tm = { 0 };
-
- year = calitem->year;
- month = calitem->month + *month_offset;
- e_calendar_item_normalize_date (calitem, &year, &month);
-
- tmp_tm.tm_year = year - 1900;
- tmp_tm.tm_mon = month;
- tmp_tm.tm_mday = *day;
- tmp_tm.tm_isdst = -1;
- mktime (&tmp_tm);
-
- /* Convert to 0 (Monday) to 6 (Sunday). */
- weekday = (tmp_tm.tm_wday + 6) % 7;
-
- /* Calculate how many days to the end of the row. */
- days = (calitem->week_start_day + 6 - weekday) % 7;
-
- *day += days;
- days_in_month = DAYS_IN_MONTH (year, month);
- if (*day > days_in_month) {
- (*month_offset)++;
- *day -= days_in_month;
- }
-}
-
-
-/* Rounds down the given day to the start of the week. */
-static void
-e_calendar_item_round_down_selection (ECalendarItem *calitem,
- gint *month_offset,
- gint *day)
-{
- gint year, month, weekday, days, days_in_month;
- struct tm tmp_tm = { 0 };
-
- year = calitem->year;
- month = calitem->month + *month_offset;
- e_calendar_item_normalize_date (calitem, &year, &month);
-
- tmp_tm.tm_year = year - 1900;
- tmp_tm.tm_mon = month;
- tmp_tm.tm_mday = *day;
- tmp_tm.tm_isdst = -1;
- mktime (&tmp_tm);
-
- /* Convert to 0 (Monday) to 6 (Sunday). */
- weekday = (tmp_tm.tm_wday + 6) % 7;
-
- /* Calculate how many days to the start of the row. */
- days = (weekday + 7 - calitem->week_start_day) % 7;
-
- *day -= days;
- if (*day <= 0) {
- month--;
- if (month == -1) {
- year--;
- month = 11;
- }
- days_in_month = DAYS_IN_MONTH (year, month);
- (*month_offset)--;
- *day += days_in_month;
- }
-}
-
-
-static gint
-e_calendar_item_get_inclusive_days (ECalendarItem *calitem,
- gint start_month_offset,
- gint start_day,
- gint end_month_offset,
- gint end_day)
-{
- gint start_year, start_month, end_year, end_month, days = 0;
-
- start_year = calitem->year;
- start_month = calitem->month + start_month_offset;
- e_calendar_item_normalize_date (calitem, &start_year, &start_month);
-
- end_year = calitem->year;
- end_month = calitem->month + end_month_offset;
- e_calendar_item_normalize_date (calitem, &end_year, &end_month);
-
- while (start_year < end_year || start_month < end_month) {
- days += DAYS_IN_MONTH (start_year, start_month);
- start_month++;
- if (start_month == 12) {
- start_year++;
- start_month = 0;
- }
- }
-
- days += end_day - start_day + 1;
-
- return days;
-}
-
-
-/* If the day is off the end of the month it is set to the last day of the
- month. */
-static void
-e_calendar_item_ensure_valid_day (ECalendarItem *calitem,
- gint *month_offset,
- gint *day)
-{
- gint year, month, days_in_month;
-
- year = calitem->year;
- month = calitem->month + *month_offset;
- e_calendar_item_normalize_date (calitem, &year, &month);
-
- days_in_month = DAYS_IN_MONTH (year, month);
- if (*day > days_in_month)
- *day = days_in_month;
-}
-
-
-gboolean
-e_calendar_item_get_selection (ECalendarItem *calitem,
- GDate *start_date,
- GDate *end_date)
-{
- gint start_year, start_month, start_day;
- gint end_year, end_month, end_day;
-
- g_date_clear (start_date, 1);
- g_date_clear (end_date, 1);
-
- if (!calitem->selection_set)
- return FALSE;
-
- start_year = calitem->year;
- start_month = calitem->month + calitem->selection_start_month_offset;
- e_calendar_item_normalize_date (calitem, &start_year, &start_month);
- start_day = calitem->selection_start_day;
-
- end_year = calitem->year;
- end_month = calitem->month + calitem->selection_end_month_offset;
- e_calendar_item_normalize_date (calitem, &end_year, &end_month);
- end_day = calitem->selection_end_day;
-
- g_date_set_dmy (start_date, start_day, start_month + 1, start_year);
- g_date_set_dmy (end_date, end_day, end_month + 1, end_year);
-
- return TRUE;
-}
-
-
-void
-e_calendar_item_set_selection (ECalendarItem *calitem,
- GDate *start_date,
- GDate *end_date)
-{
- gint start_year, start_month, start_day;
- gint end_year, end_month, end_day;
- gint new_start_month_offset, new_start_day;
- gint new_end_month_offset, new_end_day;
- gboolean need_update;
-
- g_return_if_fail (E_IS_CALENDAR_ITEM (calitem));
-
- /* If the user is in the middle of a selection, we must abort it. */
- if (calitem->selecting) {
- gnome_canvas_item_ungrab (GNOME_CANVAS_ITEM (calitem),
- GDK_CURRENT_TIME);
- calitem->selecting = FALSE;
- }
-
- /* If start_date is NULL, we clear the selection without changing the
- month shown. */
- if (start_date == NULL) {
- calitem->selection_set = FALSE;
- calitem->selection_changed = TRUE;
- e_calendar_item_queue_signal_emission (calitem);
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (calitem));
- return;
- }
-
- if (end_date == NULL)
- end_date = start_date;
-
- g_return_if_fail (g_date_compare (start_date, end_date) <= 0);
-
- start_year = g_date_year (start_date);
- start_month = g_date_month (start_date) - 1;
- start_day = g_date_day (start_date);
- end_year = g_date_year (end_date);
- end_month = g_date_month (end_date) - 1;
- end_day = g_date_day (end_date);
-
- need_update = e_calendar_item_ensure_days_visible (calitem,
- start_year,
- start_month,
- start_day,
- end_year,
- end_month,
- end_day);
-
- new_start_month_offset = (start_year - calitem->year) * 12
- + start_month - calitem->month;
- new_start_day = start_day;
-
- /* This may go outside the visible months, but we don't care. */
- new_end_month_offset = (end_year - calitem->year) * 12
- + end_month - calitem->month;
- new_end_day = end_day;
-
-
- if (!calitem->selection_set
- || calitem->selection_start_month_offset != new_start_month_offset
- || calitem->selection_start_day != new_start_day
- || calitem->selection_end_month_offset != new_end_month_offset
- || calitem->selection_end_day != new_end_day) {
- need_update = TRUE;
- calitem->selection_changed = TRUE;
- e_calendar_item_queue_signal_emission (calitem);
- calitem->selection_set = TRUE;
- calitem->selection_start_month_offset = new_start_month_offset;
- calitem->selection_start_day = new_start_day;
- calitem->selection_end_month_offset = new_end_month_offset;
- calitem->selection_end_day = new_end_day;
-
- calitem->selection_real_start_month_offset = new_start_month_offset;
- calitem->selection_real_start_day = new_start_day;
- calitem->selection_from_full_week = FALSE;
- }
-
- if (need_update)
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (calitem));
-}
-
-
-/* This tries to ensure that the given time range is visible. If the range
- given is longer than we can show, only the start of it will be visible.
- Note that this will not update the selection. That should be done somewhere
- else. It returns TRUE if the visible range has been changed. */
-static gboolean
-e_calendar_item_ensure_days_visible (ECalendarItem *calitem,
- gint start_year,
- gint start_month,
- gint start_day,
- gint end_year,
- gint end_month,
- gint end_day)
-{
- gint current_end_year, current_end_month;
- gint months_shown, months;
- gint first_day_offset, days_in_month, days_in_prev_month;
- gboolean need_update = FALSE;
-
- months_shown = calitem->rows * calitem->cols;
- months = (end_year - start_year) * 12 + end_month - start_month;
-
- /* Calculate the range of months currently displayed. */
- current_end_year = calitem->year;
- current_end_month = calitem->month + months_shown - 1;
- e_calendar_item_normalize_date (calitem, &current_end_year,
- &current_end_month);
-
- /* Try to ensure that the end month is shown. */
- if (end_year > current_end_year
- || (end_year == current_end_year
- && end_month > current_end_month)) {
- need_update = TRUE;
- calitem->year = end_year;
- calitem->month = end_month - months_shown + 1;
- e_calendar_item_normalize_date (calitem, &calitem->year,
- &calitem->month);
- }
-
- /* Now try to ensure that the start month is shown. We do this after
- the end month so that the start month will always be shown. */
- if (start_year < calitem->year
- || (start_year == calitem->year
- && start_month < calitem->month)) {
- need_update = TRUE;
-
- /* First we see if the start of the selection will fit in the
- leftover days of the month before the first one shown. */
- calitem->year = start_year;
- calitem->month = start_month + 1;
- e_calendar_item_normalize_date (calitem, &calitem->year,
- &calitem->month);
-
- e_calendar_item_get_month_info (calitem, 0, 0,
- &first_day_offset,
- &days_in_month,
- &days_in_prev_month);
-
- if (start_day <= days_in_prev_month - first_day_offset) {
- calitem->year = start_year;
- calitem->month = start_month;
- }
- }
-
- if (need_update)
- e_calendar_item_date_range_changed (calitem);
-
- return need_update;
-}
-
-
-static void
-e_calendar_item_show_popup_menu (ECalendarItem *calitem,
- GdkEventButton *event,
- gint month_offset)
-{
- GtkWidget *menu, *submenu, *menuitem, *label;
- gint year, month;
- gchar buffer[64];
- struct tm tmp_tm;
-
- menu = gtk_menu_new ();
-
- for (year = calitem->year - 2; year <= calitem->year + 2; year++) {
- g_snprintf (buffer, 64, "%i", year);
- menuitem = gtk_menu_item_new_with_label (buffer);
- gtk_widget_show (menuitem);
- gtk_container_add (GTK_CONTAINER (menu), menuitem);
-
- submenu = gtk_menu_new ();
- gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), submenu);
-
- gtk_object_set_data (GTK_OBJECT (submenu), "year",
- GINT_TO_POINTER (year));
- gtk_object_set_data (GTK_OBJECT (submenu), "month_offset",
- GINT_TO_POINTER (month_offset));
-
- for (month = 0; month < 12; month++) {
- memset (&tmp_tm, 0, sizeof (tmp_tm));
- tmp_tm.tm_year = year - 1900;
- tmp_tm.tm_mon = month;
- tmp_tm.tm_mday = 1;
- tmp_tm.tm_isdst = -1;
- mktime (&tmp_tm);
- strftime (buffer, sizeof (buffer), "%B", &tmp_tm);
-
- menuitem = gtk_menu_item_new ();
- gtk_widget_show (menuitem);
- gtk_container_add (GTK_CONTAINER (submenu), menuitem);
-
- label = gtk_label_new (buffer);
- gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
- gtk_widget_show (label);
- gtk_container_add (GTK_CONTAINER (menuitem), label);
-
- gtk_object_set_data (GTK_OBJECT (menuitem), "month",
- GINT_TO_POINTER (month));
-
- gtk_signal_connect (GTK_OBJECT (menuitem), "activate",
- GTK_SIGNAL_FUNC (e_calendar_item_on_menu_item_activate), calitem);
- }
- }
-
- /* Run the menu modal so we can destroy it after. */
- gtk_signal_connect (GTK_OBJECT (menu), "deactivate",
- GTK_SIGNAL_FUNC (gtk_main_quit), NULL);
- gtk_menu_popup (GTK_MENU (menu), NULL, NULL,
- e_calendar_item_position_menu, calitem,
- event->button, event->time);
- gtk_grab_add (menu);
- gtk_main ();
- gtk_grab_remove (menu);
- gtk_widget_destroy (menu);
-}
-
-
-static void
-e_calendar_item_on_menu_item_activate (GtkWidget *menuitem,
- ECalendarItem *calitem)
-{
- gint year, month_offset, month;
-
- year = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (menuitem->parent), "year"));
- month_offset = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (menuitem->parent), "month_offset"));
- month = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (menuitem), "month"));
-
- month -= month_offset;
- e_calendar_item_normalize_date (calitem, &year, &month);
- e_calendar_item_set_first_month (calitem, year, month);
-}
-
-
-static void
-e_calendar_item_position_menu (GtkMenu *menu,
- gint *x,
- gint *y,
- gpointer user_data)
-{
- GtkRequisition requisition;
- gint screen_width, screen_height;
-
- gtk_widget_get_child_requisition (GTK_WIDGET (menu), &requisition);
-
- *x -= 2;
- *y -= requisition.height / 2;
-
- screen_width = gdk_screen_width ();
- screen_height = gdk_screen_height ();
-
- *x = CLAMP (*x, 0, screen_width - requisition.width);
- *y = CLAMP (*y, 0, screen_height - requisition.height);
-}
-
-
-/* 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)
-{
- g_return_if_fail (E_IS_CALENDAR_ITEM (calitem));
-
- if (calitem->style_callback_data && calitem->style_callback_destroy)
- (*calitem->style_callback_destroy) (calitem->style_callback_data);
-
- calitem->style_callback = cb;
- calitem->style_callback_data = data;
- calitem->style_callback_destroy = destroy;
-}
-
-
-static void
-e_calendar_item_date_range_changed (ECalendarItem *calitem)
-{
- g_free (calitem->styles);
- calitem->styles = NULL;
- calitem->date_range_changed = TRUE;
- e_calendar_item_queue_signal_emission (calitem);
-}
-
-
-static void
-e_calendar_item_queue_signal_emission (ECalendarItem *calitem)
-{
- if (calitem->signal_emission_idle_id == 0) {
- calitem->signal_emission_idle_id = g_idle_add_full (G_PRIORITY_HIGH, e_calendar_item_signal_emission_idle_cb, calitem, NULL);
- }
-}
-
-
-static gboolean
-e_calendar_item_signal_emission_idle_cb (gpointer data)
-{
- ECalendarItem *calitem;
-
- g_return_val_if_fail (E_IS_CALENDAR_ITEM (data), FALSE);
-
- GDK_THREADS_ENTER ();
-
- calitem = E_CALENDAR_ITEM (data);
-
- calitem->signal_emission_idle_id = 0;
-
- /* We ref the calitem & check in case it gets destroyed, since we
- were getting a free memory write here. */
- gtk_object_ref (calitem);
-
- if (calitem->date_range_changed) {
- calitem->date_range_changed = FALSE;
- gtk_signal_emit (GTK_OBJECT (calitem),
- e_calendar_item_signals[DATE_RANGE_CHANGED]);
- }
-
- if (GTK_OBJECT_DESTROYED (calitem)) {
- g_warning ("e_calendar_item_signal_emission_idle_cb: item destroyed");
- } else if (calitem->selection_changed) {
- calitem->selection_changed = FALSE;
- gtk_signal_emit (GTK_OBJECT (calitem),
- e_calendar_item_signals[SELECTION_CHANGED]);
- }
-
- gtk_object_unref (calitem);
-
- GDK_THREADS_LEAVE ();
- return FALSE;
-}
-
-
-/* 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)
-{
- g_return_if_fail (E_IS_CALENDAR_ITEM (calitem));
-
- if (calitem->time_callback_data && calitem->time_callback_destroy)
- (*calitem->time_callback_destroy) (calitem->time_callback_data);
-
- calitem->time_callback = cb;
- calitem->time_callback_data = data;
- calitem->time_callback_destroy = destroy;
-}