Updated.

2000-08-30  Damon Chaplin  <damon@helixcode.com>

	* e-calendar-item.[hc]:
	* e-calendar.[hc]: Updated.

svn path=/trunk/; revision=5120

1 files changed, 1462 insertions, 316 deletions

diff --git a/widgets/misc/e-calendar-item.c b/widgets/misc/e-calendar-item.c
index e51754d786..08a0fa7e71 100644
--- a/widgets/misc/e-calendar-item.c
+++ b/widgets/misc/e-calendar-item.c
@@ -29,44 +29,61 @@
 #include <config.h>
 #include <time.h>
 #include <glib.h>
+#include <gtk/gtkmain.h>
+#include <gtk/gtkmenu.h>
+#include <gtk/gtkmenuitem.h>
+#include <gtk/gtksignal.h>
 #include <libgnome/gnome-defs.h>
 #include <libgnome/gnome-i18n.h>
 #include <e-util/e-util.h>
 #include "e-calendar-item.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
 
-/* These are the padding sizes between various pieces of the calendar. */
-/* FIXME: Use decent names eventually. */
-#define	E_CALENDAR_ITEM_XPAD1	4
-#define	E_CALENDAR_ITEM_XPAD2	2
-#define	E_CALENDAR_ITEM_XPAD3	2
-#define	E_CALENDAR_ITEM_XPAD4	4
+/* 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
 
-#define	E_CALENDAR_ITEM_YPAD3	1
-#define	E_CALENDAR_ITEM_YPAD4	0
-#define	E_CALENDAR_ITEM_YPAD5	1
-#define	E_CALENDAR_ITEM_YPAD6	2
+/* 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
 
-#define	E_CALENDAR_ITEM_XPAD11	16
-#define	E_CALENDAR_ITEM_XPAD12	2
-#define	E_CALENDAR_ITEM_XPAD13	1
-#define	E_CALENDAR_ITEM_XPAD14	1
-#define	E_CALENDAR_ITEM_XPAD15	2
-#define	E_CALENDAR_ITEM_XPAD16	16
+/* The space on each end of the horizontal line. */
+#define E_CALENDAR_ITEM_LINE_PAD	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);
@@ -122,14 +139,16 @@ static gboolean e_calendar_item_motion		(ECalendarItem	*calitem,
 static gboolean e_calendar_item_convert_position_to_day	(ECalendarItem	*calitem,
 							 gint		 x,
 							 gint		 y,
-							 gint		*month,
+							 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_valid_day,
-						 gint		*last_valid_day);
+						 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,
@@ -141,15 +160,64 @@ static void e_calendar_item_get_day_style	(ECalendarItem	*calitem,
 						 gint		 year,
 						 gint		 month,
 						 gint		 day,
+						 gint		 day_style,
 						 gboolean	 today,
-						 gboolean	 current_month,
+						 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 GnomeCanvasItemClass *parent_class;
+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 {
@@ -160,6 +228,7 @@ enum {
 	ARG_Y1,
 	ARG_X2,
 	ARG_Y2,
+	ARG_BUTTONS_SPACE,
 	ARG_FONT,
 	ARG_WEEK_NUMBER_FONT,
 	ARG_ROW_HEIGHT,
@@ -169,10 +238,23 @@ enum {
 	ARG_MAXIMUM_ROWS,
 	ARG_MAXIMUM_COLUMNS,
 	ARG_WEEK_START_DAY,
-	ARG_SHOW_WEEK_NUMBERS
+	ARG_SHOW_WEEK_NUMBERS,
+	ARG_MAXIMUM_DAYS_SELECTED,
+	ARG_DAYS_TO_START_WEEK_SELECTION,
+	ARG_ROUND_SELECTION_WHEN_MOVING
+};
+
+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)
@@ -207,6 +289,9 @@ e_calendar_item_class_init (ECalendarItemClass *class)
 	gtk_object_add_arg_type ("ECalendarItem::y2",
 				 GTK_TYPE_DOUBLE, GTK_ARG_READWRITE,
 				 ARG_Y2);
+	gtk_object_add_arg_type ("ECalendarItem::buttons_space",
+				 GTK_TYPE_DOUBLE, GTK_ARG_READWRITE,
+				 ARG_BUTTONS_SPACE);
 	gtk_object_add_arg_type ("ECalendarItem::font",
 				 GTK_TYPE_GDK_FONT, GTK_ARG_READWRITE,
 				 ARG_FONT);
@@ -214,12 +299,12 @@ e_calendar_item_class_init (ECalendarItemClass *class)
 				 GTK_TYPE_GDK_FONT, GTK_ARG_READWRITE,
 				 ARG_WEEK_NUMBER_FONT);
 	gtk_object_add_arg_type ("ECalendarItem::row_height",
-				 GTK_TYPE_DOUBLE, GTK_ARG_READABLE,
+				 GTK_TYPE_INT, GTK_ARG_READABLE,
 				 ARG_ROW_HEIGHT);
 	gtk_object_add_arg_type ("ECalendarItem::column_width",
-				 GTK_TYPE_DOUBLE, GTK_ARG_READABLE,
+				 GTK_TYPE_INT, GTK_ARG_READABLE,
 				 ARG_COLUMN_WIDTH);
-	gtk_object_add_arg_type ("ECalendarItem::mininum_rows",
+	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",
@@ -237,7 +322,36 @@ e_calendar_item_class_init (ECalendarItemClass *class)
 	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::round_selection_when_moving",
+				 GTK_TYPE_BOOL, GTK_ARG_READWRITE,
+				 ARG_ROUND_SELECTION_WHEN_MOVING);
+
+	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;
 
@@ -248,6 +362,9 @@ e_calendar_item_class_init (ECalendarItemClass *class)
 	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;
 }
 
 
@@ -263,22 +380,66 @@ e_calendar_item_init (ECalendarItem *calitem)
 	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 = 42;
+	calitem->days_to_start_week_selection = 9;
+	calitem->round_selection_when_moving = FALSE;
 
 	calitem->x1 = 0.0;
 	calitem->y1 = 0.0;
 	calitem->x2 = 0.0;
 	calitem->y2 = 0.0;
 
-	calitem->selection_start_month_offset = -1;
+	calitem->buttons_space = 0.0;
+
+	calitem->selection_start_month_offset = -2;
+
+	calitem->selection_changed = FALSE;
+	calitem->date_range_changed = FALSE;
+
+	calitem->style_callback = NULL;
+	calitem->style_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);
+
+	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);
 }
 
 
@@ -310,6 +471,9 @@ e_calendar_item_get_arg (GtkObject *o, GtkArg *arg, guint arg_id)
 	case ARG_Y2:
 		GTK_VALUE_DOUBLE (*arg) = calitem->y2;
 		break;
+	case ARG_BUTTONS_SPACE:
+		GTK_VALUE_DOUBLE (*arg) = calitem->buttons_space;
+		break;
 	case ARG_FONT:
 		GTK_VALUE_BOXED (*arg) = calitem->font;
 		break;
@@ -318,11 +482,11 @@ e_calendar_item_get_arg (GtkObject *o, GtkArg *arg, guint arg_id)
 		break;
 	case ARG_ROW_HEIGHT:
 		e_calendar_item_recalc_sizes (calitem);
-		GTK_VALUE_DOUBLE (*arg) = calitem->min_month_height;
+		GTK_VALUE_INT (*arg) = calitem->min_month_height;
 		break;
 	case ARG_COLUMN_WIDTH:
 		e_calendar_item_recalc_sizes (calitem);
-		GTK_VALUE_DOUBLE (*arg) = calitem->min_month_width;
+		GTK_VALUE_INT (*arg) = calitem->min_month_width;
 		break;
 	case ARG_MINIMUM_ROWS:
 		GTK_VALUE_INT (*arg) = calitem->min_rows;
@@ -342,6 +506,15 @@ e_calendar_item_get_arg (GtkObject *o, GtkArg *arg, guint arg_id)
 	case ARG_SHOW_WEEK_NUMBERS:
 		GTK_VALUE_BOOL (*arg) = calitem->show_week_numbers;
 		break;
+	case ARG_MAXIMUM_DAYS_SELECTED:
+		GTK_VALUE_INT (*arg) = calitem->max_days_selected;
+		break;
+	case ARG_DAYS_TO_START_WEEK_SELECTION:
+		GTK_VALUE_INT (*arg) = calitem->days_to_start_week_selection;
+		break;
+	case ARG_ROUND_SELECTION_WHEN_MOVING:
+		GTK_VALUE_BOOL (*arg) = calitem->round_selection_when_moving;
+		break;
 	}
 }
 
@@ -352,7 +525,7 @@ e_calendar_item_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
 	GnomeCanvasItem *item;
 	ECalendarItem *calitem;
 	GdkFont *font;
-	gboolean need_reshape = FALSE;
+	gboolean need_update = FALSE;
 	gdouble dvalue;
 	gint ivalue;
 	gboolean bvalue;
@@ -363,44 +536,47 @@ e_calendar_item_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
 	switch (arg_id){
 	case ARG_YEAR:
 		ivalue = GTK_VALUE_INT (*arg);
-		if (calitem->year != ivalue) {
-			calitem->year = ivalue;
-			need_reshape = TRUE;
-		}
+		e_calendar_item_set_first_month (calitem, ivalue,
+						 calitem->month);
 		break;
 	case ARG_MONTH:
 		ivalue = GTK_VALUE_INT (*arg);
-		if (calitem->month != ivalue) {
-			calitem->month = ivalue;
-			need_reshape = TRUE;
-		}
+		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_reshape = TRUE;
+			need_update = TRUE;
 		}
 		break;
 	case ARG_Y1:
 		dvalue = GTK_VALUE_DOUBLE (*arg);
 		if (calitem->y1 != dvalue) {
 			calitem->y1 = dvalue;
-			need_reshape = TRUE;
+			need_update = TRUE;
 		}
 		break;
 	case ARG_X2:
 		dvalue = GTK_VALUE_DOUBLE (*arg);
 		if (calitem->x2 != dvalue) {
 			calitem->x2 = dvalue;
-			need_reshape = TRUE;
+			need_update = TRUE;
 		}
 		break;
 	case ARG_Y2:
 		dvalue = GTK_VALUE_DOUBLE (*arg);
 		if (calitem->y2 != dvalue) {
 			calitem->y2 = dvalue;
-			need_reshape = TRUE;
+			need_update = TRUE;
+		}
+		break;
+	case ARG_BUTTONS_SPACE:
+		dvalue = GTK_VALUE_DOUBLE (*arg);
+		if (calitem->buttons_space != dvalue) {
+			calitem->buttons_space = dvalue;
+			need_update = TRUE;
 		}
 		break;
 	case ARG_FONT:
@@ -411,7 +587,7 @@ e_calendar_item_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
 			calitem->font = font;
 			if (font)
 				gdk_font_ref (font);
-			need_reshape = TRUE;
+			need_update = TRUE;
 		}
 		break;
 	case ARG_WEEK_NUMBER_FONT:
@@ -422,7 +598,7 @@ e_calendar_item_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
 			calitem->week_number_font = font;
 			if (font)
 				gdk_font_ref (font);
-			need_reshape = TRUE;
+			need_update = TRUE;
 		}
 		break;
 	case ARG_MINIMUM_ROWS:
@@ -430,7 +606,7 @@ e_calendar_item_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
 		ivalue = MAX (1, ivalue);
 		if (calitem->min_rows != ivalue) {
 			calitem->min_rows = ivalue;
-			need_reshape = TRUE;
+			need_update = TRUE;
 		}
 		break;
 	case ARG_MINIMUM_COLUMNS:
@@ -438,43 +614,55 @@ e_calendar_item_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
 		ivalue = MAX (1, ivalue);
 		if (calitem->min_cols != ivalue) {
 			calitem->min_cols = ivalue;
-			need_reshape = TRUE;
+			need_update = TRUE;
 		}
 		break;
 	case ARG_MAXIMUM_ROWS:
 		ivalue = GTK_VALUE_INT (*arg);
 		if (calitem->max_rows != ivalue) {
 			calitem->max_rows = ivalue;
-			need_reshape = TRUE;
+			need_update = TRUE;
 		}
 		break;
 	case ARG_MAXIMUM_COLUMNS:
 		ivalue = GTK_VALUE_INT (*arg);
 		if (calitem->max_cols != ivalue) {
 			calitem->max_cols = ivalue;
-			need_reshape = TRUE;
+			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_reshape = TRUE;
+			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_reshape = TRUE;
+			need_update = TRUE;
 		}
 		break;
+	case ARG_MAXIMUM_DAYS_SELECTED:
+		ivalue = GTK_VALUE_INT (*arg);
+		ivalue = MAX (1, ivalue);
+		calitem->max_days_selected = ivalue;
+		break;
+	case ARG_DAYS_TO_START_WEEK_SELECTION:
+		ivalue = GTK_VALUE_INT (*arg);
+		calitem->days_to_start_week_selection = ivalue;
+		break;
+	case ARG_ROUND_SELECTION_WHEN_MOVING:
+		bvalue = GTK_VALUE_BOOL (*arg);
+		calitem->round_selection_when_moving = bvalue;
+		break;
 	default:
 		g_warning ("Invalid arg");
 	}
 
-	/* FIXME: finish. */
-	if (need_reshape) {
+	if (need_update) {
 		gnome_canvas_item_request_update (item);
 	}
 }
@@ -485,27 +673,31 @@ e_calendar_item_realize		(GnomeCanvasItem *item)
 {
 	ECalendarItem *calitem;
 	GdkColormap *colormap;
-	gboolean success[E_CALENDAR_COLOR_LAST];
+	gboolean success[E_CALENDAR_ITEM_COLOR_LAST];
 	gint nfailed;
 
 	calitem = E_CALENDAR_ITEM (item);
 
 	colormap = gtk_widget_get_colormap (GTK_WIDGET (item->canvas));
 
-	calitem->colors[E_CALENDAR_COLOR_SELECTION].red   = 65535;
-	calitem->colors[E_CALENDAR_COLOR_SELECTION].green = 65535;
-	calitem->colors[E_CALENDAR_COLOR_SELECTION].blue  = 65535;
+	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_COLOR_HIGHLIGHT].red   = 56000;
-	calitem->colors[E_CALENDAR_COLOR_HIGHLIGHT].green = 57000;
-	calitem->colors[E_CALENDAR_COLOR_HIGHLIGHT].blue  = 57000;
+	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_COLOR_TODAY].red   = 65535;
-	calitem->colors[E_CALENDAR_COLOR_TODAY].green = 0;
-	calitem->colors[E_CALENDAR_COLOR_TODAY].blue  = 0;
+	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_COLOR_LAST, FALSE,
+					     E_CALENDAR_ITEM_COLOR_LAST, FALSE,
 					     TRUE, success);
 	if (nfailed)
 		g_warning ("Failed to allocate all colors");
@@ -523,7 +715,7 @@ e_calendar_item_unrealize	(GnomeCanvasItem *item)
 
 	colormap = gtk_widget_get_colormap (GTK_WIDGET (item->canvas));
 
-	for (i = 0; i < E_CALENDAR_COLOR_LAST; i++)
+	for (i = 0; i < E_CALENDAR_ITEM_COLOR_LAST; i++)
 		gdk_colors_free (colormap, &calitem->colors[i].pixel, 1, 0);
 }
 
@@ -538,7 +730,7 @@ e_calendar_item_update		(GnomeCanvasItem *item,
 	GtkStyle *style;
 	GdkFont *font;
 	gint char_height, width, height, space, space_per_cal, space_per_cell;
-	gint xthickness, ythickness;
+	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);
@@ -563,19 +755,25 @@ e_calendar_item_update		(GnomeCanvasItem *item,
 
 	/* Calculate how many rows & cols we can fit in. */
 	width = item->x2 - item->x1;
-	height = item->y2 - item->y1;
+	height = item->y2 - item->y1 - calitem->buttons_space;
 
 	width -= xthickness * 2;
 	height -= ythickness * 2;
 
-	calitem->rows = height / calitem->min_month_height;
-	calitem->rows = MAX (calitem->rows, calitem->min_rows);
+	rows = height / calitem->min_month_height;
+	rows = MAX (rows, calitem->min_rows);
 	if (calitem->max_rows > 0)
-		calitem->rows = MIN (calitem->rows, calitem->max_rows);
-	calitem->cols = width / calitem->min_month_width;
-	calitem->cols = MAX (calitem->cols, calitem->min_cols);
+		rows = MIN (rows, calitem->max_rows);
+	cols = width / calitem->min_month_width;
+	cols = MAX (cols, calitem->min_cols);
 	if (calitem->max_cols > 0)
-		calitem->cols = MIN (calitem->cols, calitem->max_cols);
+		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
@@ -653,7 +851,9 @@ e_calendar_item_draw		(GnomeCanvasItem *canvas_item,
 	GtkStyle *style;
 	GdkFont *font;
 	GdkGC *base_gc, *bg_gc;
-	gint char_height, row, col, row_y, bar_height, col_x, ythickness;
+	gint char_height, row, col, row_y, bar_height, col_x;
+	gint xthickness, ythickness;
+	gint line_y, line_x1, line_x2;
 
 #if 0
 	g_print ("In e_calendar_item_draw %i,%i %ix%i\n",
@@ -665,6 +865,7 @@ e_calendar_item_draw		(GnomeCanvasItem *canvas_item,
 	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];
@@ -672,32 +873,37 @@ e_calendar_item_draw		(GnomeCanvasItem *canvas_item,
 	/* Clear the entire background. */
 	gdk_draw_rectangle (drawable, base_gc, TRUE,
 			    calitem->x1 - x, calitem->y1 - y,
-			    calitem->x2 - calitem->x1,
-			    calitem->y2 - calitem->y1);
+			    calitem->x2 - calitem->x1 + 1,
+			    calitem->y2 - calitem->y1 + 1);
 
-	/* Draw the shadow around the entire item.
-	   FIXME: must also leave room for the 'Today' & 'None' buttons etc. */
+	/* Draw the shadow around the entire item. */
 	gtk_draw_shadow (style, drawable,
-			 GTK_STATE_NORMAL, GTK_SHADOW_OUT,
+			 GTK_STATE_NORMAL, GTK_SHADOW_IN,
 			 calitem->x1 - x, calitem->y1 - y,
-			 calitem->x2 - calitem->x1, calitem->y2 - calitem->y1);
+			 calitem->x2 - calitem->x1 + 1,
+			 calitem->y2 - calitem->y1 + 1);
 
 	row_y = canvas_item->y1 + ythickness;
-	bar_height = ythickness * 2 + E_CALENDAR_ITEM_YPAD1 + char_height
-		+ E_CALENDAR_ITEM_YPAD2;
+	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 - x, row_y - y,
-				    calitem->x2 - calitem->x1, bar_height);
+				    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 - x, row_y - y,
-				 calitem->x2 - calitem->x1, bar_height);
+				 calitem->x1 + xthickness - x, row_y - y,
+				 calitem->x2 - calitem->x1 + 1
+				 - xthickness * 2,
+				 bar_height);
 
 
 		for (col = 0; col < calitem->cols; col++) {
@@ -719,6 +925,18 @@ e_calendar_item_draw		(GnomeCanvasItem *canvas_item,
 
 		row_y += calitem->month_height;
 	}
+
+	/* Draw the horizontal line, if the Today or None buttons is shown. */
+	if (calitem->buttons_space) {
+		line_y = calitem->y2 + 1 - ythickness - calitem->buttons_space
+			- y;
+		line_x1 = calitem->x1 + xthickness
+			+ E_CALENDAR_ITEM_LINE_PAD - x;
+		line_x2 = calitem->x2 + 1 - xthickness
+			- E_CALENDAR_ITEM_LINE_PAD - x;
+		gdk_draw_line (drawable, bg_gc,
+			       line_x1, line_y, line_x2, line_y);
+	}
 }
 
 
@@ -736,17 +954,20 @@ e_calendar_item_draw_month	(ECalendarItem   *calitem,
 	GtkWidget *widget;
 	GtkStyle *style;
 	GdkFont *font;
-	GdkGC *fg_gc, *bg_gc;
+	GdkGC *fg_gc;
 	struct tm tmp_tm;
 	GdkRectangle clip_rect;
 	gint char_height, xthickness, ythickness, start_weekday;
-	gint year, month, month_x, month_y, min_x, max_x, text_x, text_y;
+	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\n",
-		 x, y, width, height);
+	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);
@@ -758,82 +979,104 @@ e_calendar_item_draw_month	(ECalendarItem   *calitem,
 	xthickness = style->klass->xthickness;
 	ythickness = style->klass->ythickness;
 	fg_gc = style->fg_gc[GTK_STATE_NORMAL];
-	bg_gc = style->bg_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 - calitem->buttons_space
+		- 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_XPAD11;
+		min_x = E_CALENDAR_ITEM_XPAD_BEFORE_MONTH_NAME_WITH_BUTTON;
 	else
-		min_x = E_CALENDAR_ITEM_XPAD14 + E_CALENDAR_ITEM_XPAD15;
+		min_x = E_CALENDAR_ITEM_XPAD_BEFORE_MONTH_NAME;
 
+	max_x = month_w;
 	if (row == 0 && col == calitem->cols - 1)
-		max_x = calitem->month_width - E_CALENDAR_ITEM_XPAD16;
+		max_x -= E_CALENDAR_ITEM_XPAD_AFTER_MONTH_NAME_WITH_BUTTON;
 	else
-		max_x = calitem->month_width - E_CALENDAR_ITEM_XPAD12
-			- E_CALENDAR_ITEM_XPAD13;
+		max_x -= E_CALENDAR_ITEM_XPAD_AFTER_MONTH_NAME;
 
 	text_y = month_y + style->klass->ythickness
-		+ E_CALENDAR_ITEM_YPAD1;
+		+ E_CALENDAR_ITEM_YPAD_ABOVE_MONTH_NAME;
 	clip_rect.x = month_x + min_x;
-	clip_rect.y = text_y;
-	clip_rect.width = max_x - min_x;
-	clip_rect.height = char_height;
-	gdk_gc_set_clip_rectangle (fg_gc, &clip_rect);
+	clip_rect.x = MAX (0, clip_rect.x);
+	clip_rect.y = MAX (0, text_y);
+
+	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);
+
+		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, 64, "%B %Y", &tmp_tm);
+		start_weekday = (tmp_tm.tm_wday + 6) % 7;
+
+		/* 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);
+	}
 
-	memset (&tmp_tm, 0, sizeof (tmp_tm));
-	month = calitem->month + row * calitem->cols + col;
-	year = calitem->year + month / 12;
-	month %= 12;
-	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, 64, "%B %Y", &tmp_tm);
-	start_weekday = (tmp_tm.tm_wday + 6) % 7;
+	/* 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;
 
-	/* 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);
+	if (clip_width <= 0 || clip_height <= 0)
+		return;
 
-	gdk_draw_string (drawable, font, fg_gc,
-			 month_x + text_x, text_y + font->ascent, buffer);
+	clip_rect.width = clip_width;
+	clip_rect.height = clip_height;
 
-	gdk_gc_set_clip_rectangle (fg_gc, NULL);
+	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_XPAD1 + calitem->month_lpad
-		+ E_CALENDAR_ITEM_XPAD3;
+	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_XPAD2 + 1;
+			+ 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_YPAD1
-		+ char_height + E_CALENDAR_ITEM_YPAD2 + E_CALENDAR_ITEM_YPAD3
-		+  calitem->month_tpad;
+	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_YPAD4 + 1
-		+ E_CALENDAR_ITEM_YPAD5;
+	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;
@@ -850,10 +1093,10 @@ e_calendar_item_draw_month	(ECalendarItem   *calitem,
 
 	/* Draw the horizontal line beneath the day initials. */
 	gdk_draw_line (drawable, fg_gc,
-		       cells_x - E_CALENDAR_ITEM_XPAD3,
-		       cells_y - E_CALENDAR_ITEM_YPAD5,
+		       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_YPAD5);
+		       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,
@@ -862,11 +1105,13 @@ e_calendar_item_draw_month	(ECalendarItem   *calitem,
 	/* Draw the vertical line after the week number. */
 	if (calitem->show_week_numbers) {
 		gdk_draw_line (drawable, fg_gc,
-			       cells_x - E_CALENDAR_ITEM_XPAD3,
-			       cells_y,
-			       cells_x - E_CALENDAR_ITEM_XPAD3,
+			       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);
 }
 
 
@@ -897,9 +1142,11 @@ e_calendar_item_draw_day_numbers (ECalendarItem	*calitem,
 	gint num_chars, digit;
 	gint week_num, mon, days_from_week_start;
 	gint years[3], months[3], days_in_month[3];
-	gboolean bold, today, draw_day, finished = FALSE, selected;
-	gint today_year, today_month, today_mday, month_offset, day_offset;
+	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);
@@ -918,7 +1165,7 @@ e_calendar_item_draw_day_numbers (ECalendarItem	*calitem,
 	min_cell_height = char_height + E_CALENDAR_ITEM_MIN_CELL_YPAD;
 
 	/* Calculate the number of days in the previous, current, and next
-	   months. Note that g_date uses 1 to 12 for months. */
+	   months. */
 	years[0] = years[1] = years[2] = year;
 	months[0] = month - 1;
 	months[1] = month;
@@ -932,14 +1179,15 @@ e_calendar_item_draw_day_numbers (ECalendarItem	*calitem,
 		years[2]++;
 	}
 
-	days_in_month[0] = g_date_days_in_month (months[0] + 1, years[0]);
-	days_in_month[1] = g_date_days_in_month (months[1] + 1, years[1]);
-	days_in_month[2] = g_date_days_in_month (months[2] + 1, 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;
@@ -951,6 +1199,7 @@ e_calendar_item_draw_day_numbers (ECalendarItem	*calitem,
 			day_num -= 6;
 		} else {
 			mon++;
+			month_offset++;
 			day_num = 1;
 		}
 	} else {
@@ -968,9 +1217,6 @@ e_calendar_item_draw_day_numbers (ECalendarItem	*calitem,
 	   except for the top-left month displayed. */
 	draw_day = (mon == 1 || (row == 0 && col == 0));
 
-	month_offset = row * calitem->cols + col;
-	day_offset = 0;
-
 	for (drow = 0; drow < 6; drow++) {
 		/* Draw the week number. */
 		if (calitem->show_week_numbers) {
@@ -979,8 +1225,8 @@ e_calendar_item_draw_day_numbers (ECalendarItem	*calitem,
 								    months[mon],
 								    years[mon]);
 
-			text_x = cells_x - E_CALENDAR_ITEM_XPAD3 - 1
-				- E_CALENDAR_ITEM_XPAD2;
+			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;
 
@@ -995,6 +1241,8 @@ e_calendar_item_draw_day_numbers (ECalendarItem	*calitem,
 			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);
@@ -1009,26 +1257,51 @@ e_calendar_item_draw_day_numbers (ECalendarItem	*calitem,
 					&& months[mon] == today_month
 					&& day_num == today_mday;
 
-				selected = calitem->selection_start_month_offset != -1
+				selected = calitem->selection_start_month_offset != -2
 					&& (calitem->selection_start_month_offset < month_offset
 					    || (calitem->selection_start_month_offset == month_offset
-						&& calitem->selection_start_day_offset <= day_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_offset >= day_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.*/
-				e_calendar_item_get_day_style (calitem,
-							       years[mon],
-							       months[mon],
-							       day_num,
-							       today,
-							       mon == 1,
-							       selected,
-							       &bg_color,
-							       &fg_color,
-							       &box_color,
-							       &bold);
+				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) {
@@ -1090,6 +1363,7 @@ e_calendar_item_draw_day_numbers (ECalendarItem	*calitem,
 
 			/* 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. */
@@ -1104,8 +1378,6 @@ e_calendar_item_draw_day_numbers (ECalendarItem	*calitem,
 			} else {
 				day_num++;
 			}
-
-			day_offset++;
 		}
 
 		/* Exit the loop if the flag is set. */
@@ -1198,7 +1470,7 @@ e_calendar_item_event (GnomeCanvasItem *item, GdkEvent *event)
 
 
 /* This checks if any fonts have changed, and if so it recalculates the
-   layout of the item. */
+   text sizes and the minimum month size. */
 static void
 e_calendar_item_recalc_sizes		(ECalendarItem *calitem)
 {
@@ -1220,13 +1492,23 @@ e_calendar_item_recalc_sizes		(ECalendarItem *calitem)
 		wkfont = font;
 	char_height = font->ascent + font->descent;
 
+	g_return_if_fail (font != NULL);
+	g_return_if_fail (wkfont != NULL);
+
 	/* If both fonts are the same, just return. */
 	if (font == calitem->old_font
 	    && wkfont == calitem->old_week_number_font)
 		return;
 
+	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,
@@ -1255,19 +1537,20 @@ e_calendar_item_recalc_sizes		(ECalendarItem *calitem)
 	min_cell_width = 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_XPAD1
-		+ E_CALENDAR_ITEM_XPAD3 + min_cell_width * 7
-		+ E_CALENDAR_ITEM_XPAD4;
+	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 += max_week_number_digit_width * 2
-			+ E_CALENDAR_ITEM_XPAD2 + 1;
+			+ E_CALENDAR_ITEM_XPAD_AFTER_WEEK_NUMBERS + 1;
 
 	calitem->min_month_height = style->klass->ythickness * 2
-		+ E_CALENDAR_ITEM_YPAD1 + char_height
-		+ E_CALENDAR_ITEM_YPAD2 + 1 + E_CALENDAR_ITEM_YPAD3
-		+ char_height + E_CALENDAR_ITEM_YPAD4 + 1
-		+ E_CALENDAR_ITEM_YPAD5 + min_cell_height * 6
-		+ E_CALENDAR_ITEM_YPAD6;
+		+ 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;
 }
 
 
@@ -1276,9 +1559,12 @@ e_calendar_item_get_day_style		(ECalendarItem	*calitem,
 					 gint		 year,
 					 gint		 month,
 					 gint		 day,
+					 gint		 day_style,
 					 gboolean	 today,
-					 gboolean	 current_month,
+					 gboolean	 prev_or_next_month,
 					 gboolean	 selected,
+					 gboolean	 has_focus,
+					 gboolean	 drop_target,
 					 GdkColor      **bg_color,
 					 GdkColor      **fg_color,
 					 GdkColor      **box_color,
@@ -1289,15 +1575,18 @@ e_calendar_item_get_day_style		(ECalendarItem	*calitem,
 	*box_color = NULL;
 	*bold = FALSE;
 
+	if (day_style == 1)
+		*bold = TRUE;
+
 	if (today)
-		*box_color = &calitem->colors[E_CALENDAR_COLOR_TODAY];
+		*box_color = &calitem->colors[E_CALENDAR_ITEM_COLOR_TODAY_BOX];
 
-	if (!current_month)
-		*fg_color = &calitem->colors[E_CALENDAR_COLOR_HIGHLIGHT];
+	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_COLOR_SELECTION];
-		*bg_color = &calitem->colors[E_CALENDAR_COLOR_HIGHLIGHT];
+		*fg_color = &calitem->colors[E_CALENDAR_ITEM_COLOR_SELECTION_FG];
+		*bg_color = &calitem->colors[E_CALENDAR_ITEM_COLOR_SELECTION_BG];
 	}
 }
 
@@ -1307,30 +1596,69 @@ static gboolean
 e_calendar_item_button_press	(ECalendarItem	*calitem,
 				 GdkEvent	*event)
 {
-	gint month, day;
-	gboolean all_week;
+	gint month_offset, day;
+	gboolean all_week, round_up_end = FALSE, round_down_start = FALSE;
 
 	g_print ("In e_calendar_item_button_press\n");
 
-	if (e_calendar_item_convert_position_to_day (calitem,
-						     event->button.x,
-						     event->button.y,
-						     &month, &day, &all_week)) {
-		g_print ("  Pressed month: %i day: %i\n", month, day);
+	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;
 
-		calitem->selection_start_month_offset = month;
-		calitem->selection_start_day_offset = day;
-		calitem->selection_end_month_offset = month;
-		calitem->selection_end_day_offset = day;
-		calitem->selecting = TRUE;
-		calitem->selection_dragging_end = TRUE;
+	if (event->button.button == 3 && day == -1) {
+		e_calendar_item_show_popup_menu (calitem,
+						 (GdkEventButton*) event,
+						 month_offset);
+		return TRUE;
+	}
 
-		gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (calitem));
+	if (event->button.button != 1 || day == -1)
+		return FALSE;
 
-		return TRUE;
+	g_print ("  month offset: %i day: %i\n", month_offset, day);
+
+	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;
 	}
 
-	return FALSE;
+	if (calitem->days_to_start_week_selection == 1) {
+		round_down_start = TRUE;
+		round_up_end = TRUE;
+	}
+
+	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;
 }
 
 
@@ -1338,18 +1666,26 @@ static gboolean
 e_calendar_item_button_release	(ECalendarItem	*calitem,
 				 GdkEvent	*event)
 {
-	gint month, day;
-	gboolean all_week;
-
 	g_print ("In e_calendar_item_button_release\n");
 
+	if (!calitem->selecting)
+		return FALSE;
+
 	calitem->selecting = FALSE;
 
-	if (e_calendar_item_convert_position_to_day (calitem,
-						     event->button.x,
-						     event->button.y,
-						     &month, &day, &all_week))
-		g_print ("  Released month: %i day: %i\n", month, day);
+	/* 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;
 }
@@ -1359,61 +1695,200 @@ static gboolean
 e_calendar_item_motion		(ECalendarItem	*calitem,
 				 GdkEvent	*event)
 {
-	gint month, day;
-	gboolean all_week;
+	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,
-						     &month, &day, &all_week)) {
-		if (calitem->selection_dragging_end) {
-			if (calitem->selection_end_month_offset == month
-			    && calitem->selection_end_day_offset == day)
-				return FALSE;
-			calitem->selection_end_month_offset = month;
-			calitem->selection_end_day_offset = day;
-		} else {
-			if (calitem->selection_start_month_offset == month
-			    && calitem->selection_start_day_offset == day)
-				return FALSE;
-			calitem->selection_start_month_offset = month;
-			calitem->selection_start_day_offset = day;
-		}
+	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 (calitem->selection_start_month_offset > calitem->selection_end_month_offset
-		    || (calitem->selection_start_month_offset == calitem->selection_end_month_offset
-			&& calitem->selection_start_day_offset > calitem->selection_end_day_offset)) {
-			month = calitem->selection_start_month_offset;
-			day = calitem->selection_start_day_offset;
-			calitem->selection_start_month_offset = calitem->selection_end_month_offset;
-			calitem->selection_end_month_offset = month;
-			calitem->selection_start_day_offset = calitem->selection_end_day_offset;
-			calitem->selection_end_day_offset = day;
-
-			calitem->selection_dragging_end = !calitem->selection_dragging_end;
+	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;
 		}
+	}
 
-		gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (calitem));
+	/* 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;
+
+	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);
 	}
 
-	return FALSE;
+	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. */
+   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,
-					 gint		*month,
+					 gboolean	 round_empty_positions,
+					 gint		*month_offset,
 					 gint		*day,
 					 gboolean	*entire_week)
 {
@@ -1422,7 +1897,8 @@ e_calendar_item_convert_position_to_day	(ECalendarItem	*calitem,
 	GtkStyle *style;
 	gint xthickness, ythickness, char_height;
 	gint x, y, row, col, cells_x, cells_y, day_row, day_col;
-	gint first_valid_day, last_valid_day;
+	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);
@@ -1431,6 +1907,8 @@ e_calendar_item_convert_position_to_day	(ECalendarItem	*calitem,
 	xthickness = style->klass->xthickness;
 	ythickness = style->klass->ythickness;
 
+	*entire_week = FALSE;
+
 	x = event_x - xthickness - calitem->x_offset;
 	y = event_y - ythickness;
 
@@ -1440,45 +1918,86 @@ e_calendar_item_convert_position_to_day	(ECalendarItem	*calitem,
 	row = y / calitem->month_height;
 	col = x / calitem->month_width;
 
-	if (row < 0 || row >= calitem->rows
-	    || col < 0 || col >= calitem->cols)
+	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;
 
-	cells_x = E_CALENDAR_ITEM_XPAD1 + calitem->month_lpad
-		+ E_CALENDAR_ITEM_XPAD3;
-	if (calitem->show_week_numbers)
-		cells_x += calitem->max_week_number_digit_width * 2
-			+ E_CALENDAR_ITEM_XPAD2 + 1;
-	cells_y = ythickness * 2 + E_CALENDAR_ITEM_YPAD1
-		+ char_height + E_CALENDAR_ITEM_YPAD2 + E_CALENDAR_ITEM_YPAD3
-		+  calitem->month_tpad
-		+ char_height + E_CALENDAR_ITEM_YPAD4 + 1
-		+ E_CALENDAR_ITEM_YPAD5;
-
-	x -= cells_x;
-	y -= cells_y;
+	if (y < ythickness * 2 + E_CALENDAR_ITEM_YPAD_ABOVE_MONTH_NAME
+	    + char_height + E_CALENDAR_ITEM_YPAD_BELOW_MONTH_NAME) {
+		*day = -1;
+		return TRUE;
+	}
 
-	if (x < 0 || y < 0)
+	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;
-	day_col = x / calitem->cell_width;
-
-	if (day_row < 0 || day_row >= E_CALENDAR_ROWS_PER_MONTH
-	    || day_col < 0 || day_col >= E_CALENDAR_COLS_PER_MONTH)
+	if (day_row >= E_CALENDAR_ROWS_PER_MONTH)
 		return FALSE;
 
-	*month = row * calitem->cols + col;
+	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;
-	*entire_week = FALSE;
 
-	e_calendar_item_get_month_info (calitem, row, col,
-					&first_valid_day, &last_valid_day);
-	if (*day < first_valid_day || *day > last_valid_day)
-		return FALSE;
+	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;
 }
@@ -1488,16 +2007,22 @@ static void
 e_calendar_item_get_month_info	(ECalendarItem	*calitem,
 				 gint		 row,
 				 gint		 col,
-				 gint		*first_valid_day,
-				 gint		*last_valid_day)
+				 gint		*first_day_offset,
+				 gint		*days_in_month,
+				 gint		*days_in_prev_month)
 {
-	gint year, month, days_in_month, start_weekday, first_day_of_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 = g_date_days_in_month (month + 1, year);
+
+	*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;
@@ -1510,106 +2035,727 @@ e_calendar_item_get_month_info	(ECalendarItem	*calitem,
 
 	first_day_of_month = (start_weekday + 7 - calitem->week_start_day) % 7;
 
-	if (row == 0 && col == 0)
-		*first_valid_day = 0;
+	if (row == 0 && col == 0 && first_day_of_month == 0)
+		*first_day_offset = 7;
 	else
-		*first_valid_day = first_day_of_month;
+		*first_day_offset = first_day_of_month;
+}
 
-	if (row == calitem->rows - 1 && col == calitem->cols - 1)
-		*last_valid_day = E_CALENDAR_ROWS_PER_MONTH * E_CALENDAR_COLS_PER_MONTH - 1;
-	else
-		*last_valid_day = first_day_of_month + days_in_month - 1;
+
+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_start_month_offset != -2) {
+		if (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));
+}
 
 
+/* 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);
 
+	g_print ("In e_calendar_item_add_days_to_selection days: %i month:%i\n", days, month);
 
-#if 0
+	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;
+		}
+	}
+}
 
-static gint
-e_calendar_button_press		(GtkWidget	*widget,
-				 GdkEventButton	*event)
+
+/* Returns the range of dates actually shown. Months are 0 to 11. */
+void
+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)
 {
-	ECalendar *cal;
-	gint day;
+	gint first_day_offset, days_in_month, days_in_prev_month;
+
+	/* 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;
+}
 
-	cal = E_CALENDAR (widget);
 
-	g_print ("In e_calendar_button_press\n");
+/* 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);
 
-	day = e_calendar_convert_position_to_day (cal, event->x, event->y);
+	g_free (calitem->styles);
+	calitem->styles = NULL;
 
-	cal->selection_start_day = day;
-	cal->selection_end_day = day;
-	cal->selection_dragging_end = TRUE;
+	gnome_canvas_request_redraw (item->canvas, item->x1, item->y1,
+				     item->x2, item->y2);
+}
 
-	gtk_widget_queue_draw (widget);
 
-	return FALSE;
+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;
 }
 
 
-static gint
-e_calendar_button_release	(GtkWidget	*widget,
-				 GdkEventButton	*event)
+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)
 {
-	g_print ("In e_calendar_button_release\n");
+	gint month_offset, end_month_offset, day;
 
-	return FALSE;
+	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;
+		}
+	}
+}
+
+
+/* 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 };
+
+	g_print ("In e_calendar_item_round_down_selection month:%i day:%i\n",
+		 *month_offset, *day);
+
+	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;
+	}
+
+	g_print ("Out e_calendar_item_round_down_selection month:%i day:%i\n",
+		 *month_offset, *day);
 }
 
 
 static gint
-e_calendar_motion		(GtkWidget	*widget, 
-				 GdkEventMotion	*event)
+e_calendar_item_get_inclusive_days	(ECalendarItem	*calitem,
+					 gint		 start_month_offset,
+					 gint		 start_day,
+					 gint		 end_month_offset,
+					 gint		 end_day)
 {
-	ECalendar *cal;
-	gint x, y, 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;
+		}
+	}
 
-	cal = E_CALENDAR (widget);
+	days += end_day - start_day + 1;
 
-	g_print ("In e_calendar_motion\n");
+	return days;
+}
 
-	x = event->x;
-	y = event->y;
 
-	if (event->is_hint || event->window != widget->window)
-		gtk_widget_get_pointer (widget, &x, &y);
+/* 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;
 
-	day = e_calendar_convert_position_to_day (cal, event->x, event->y);
+	year = calitem->year;
+	month = calitem->month + *month_offset;
+	e_calendar_item_normalize_date (calitem, &year, &month);
 
-	if (cal->selection_dragging_end)
-		cal->selection_end_day = day;
-	else
-		cal->selection_start_day = day;
+	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_start_month_offset == -2)
+		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));
+	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);
+
+	g_print ("In e_calendar_item_set_selection start: %i/%i/%i end: %i/%i/%i\n", start_day, start_month, start_year, end_day, end_month, end_year);
+
+	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_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_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;
 
-	if (cal->selection_start_day > cal->selection_end_day) {
-		day = cal->selection_start_day;
-		cal->selection_start_day = cal->selection_end_day;
-		cal->selection_end_day = day;
-		cal->selection_dragging_end = !cal->selection_dragging_end;
 	}
 
-	gtk_widget_queue_draw (widget);
+	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;
+	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, 64, "%B %Y", &tmp_tm);
+
+			menuitem = gtk_menu_item_new_with_label (buffer);
+			gtk_widget_show (menuitem);
+			gtk_container_add (GTK_CONTAINER (submenu), menuitem);
+
+			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_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;
+
+	if (calitem->date_range_changed) {
+		gtk_signal_emit (GTK_OBJECT (calitem),
+				 e_calendar_item_signals[DATE_RANGE_CHANGED]);
+		calitem->date_range_changed = FALSE;
+	}
+
+	if (calitem->selection_changed) {
+		gtk_signal_emit (GTK_OBJECT (calitem),
+				 e_calendar_item_signals[SELECTION_CHANGED]);
+		calitem->selection_changed = FALSE;
+	}
+
+	GDK_THREADS_LEAVE ();
 	return FALSE;
 }
-#endif
+