/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Author :
* Damon Chaplin <damon@helixcode.com>
*
* Copyright 2000, Helix Code, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* 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
*/
/*
* ECalendar - displays a table of monthly calendars, allowing highlighting
* and selection of one or more days. Like GtkCalendar with more features.
* Most of the functionality is in the ECalendarItem canvas item, though
* we also add GnomeCanvasWidget buttons to go to the previous/next month and
* to got to the current day.
*/
#include <config.h>
#include <e-util/e-util.h>
#include "e-calendar.h"
#define E_CALENDAR_SMALL_FONT \
"-adobe-utopia-regular-r-normal-*-*-100-*-*-p-*-iso8859-*"
#define E_CALENDAR_SMALL_FONT_FALLBACK \
"-adobe-helvetica-medium-r-normal-*-*-80-*-*-p-*-iso8859-*"
#define E_CALENDAR_BUTTON_X_PAD 2
#define E_CALENDAR_BUTTON_Y_PAD 0
static void e_calendar_class_init (ECalendarClass *class);
static void e_calendar_init (ECalendar *cal);
static void e_calendar_destroy (GtkObject *object);
static void e_calendar_realize (GtkWidget *widget);
static void e_calendar_style_set (GtkWidget *widget,
GtkStyle *previous_style);
static void e_calendar_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void e_calendar_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static gint e_calendar_expose (GtkWidget *widget,
GdkEventExpose *event);
static void e_calendar_draw (GtkWidget *widget,
GdkRectangle *area);
#if 0
static gint e_calendar_button_press (GtkWidget *widget,
GdkEventButton *event);
static gint e_calendar_button_release (GtkWidget *widget,
GdkEventButton *event);
#endif
static gint e_calendar_focus_in (GtkWidget *widget,
GdkEventFocus *event);
static gint e_calendar_focus_out (GtkWidget *widget,
GdkEventFocus *event);
static gint e_calendar_key_press (GtkWidget *widget,
GdkEventKey *event);
static void e_calendar_paint (ECalendar *cal,
GdkRectangle *area);
static void e_calendar_on_prev_clicked (ECalendar *cal);
static void e_calendar_on_next_clicked (ECalendar *cal);
static GnomeCanvasClass *parent_class;
static GtkLayoutClass *grandparent_class;
E_MAKE_TYPE (e_calendar, "ECalendar", ECalendar,
e_calendar_class_init, e_calendar_init, E_CANVAS_TYPE)
static void
e_calendar_class_init (ECalendarClass *class)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
object_class = (GtkObjectClass *) class;
widget_class = (GtkWidgetClass *) class;
parent_class = gtk_type_class (E_CANVAS_TYPE);
grandparent_class = gtk_type_class (GTK_TYPE_LAYOUT);
object_class->destroy = e_calendar_destroy;
widget_class->realize = e_calendar_realize;
widget_class->style_set = e_calendar_style_set;
widget_class->size_request = e_calendar_size_request;
widget_class->size_allocate = e_calendar_size_allocate;
widget_class->expose_event = e_calendar_expose;
widget_class->draw = e_calendar_draw;
#if 0
widget_class->button_press_event = e_calendar_button_press;
widget_class->button_release_event = e_calendar_button_release;
#endif
widget_class->focus_in_event = e_calendar_focus_in;
widget_class->focus_out_event = e_calendar_focus_out;
widget_class->key_press_event = e_calendar_key_press;
}
static void
e_calendar_init (ECalendar *cal)
{
GnomeCanvasGroup *canvas_group;
GdkFont *small_font;
GtkWidget *button, *arrow;
/* Create the small font. */
small_font = gdk_font_load (E_CALENDAR_SMALL_FONT);
if (!small_font)
small_font = gdk_font_load (E_CALENDAR_SMALL_FONT_FALLBACK);
if (!small_font)
g_warning ("Couldn't load font");
canvas_group = GNOME_CANVAS_GROUP (GNOME_CANVAS (cal)->root);
cal->calitem = E_CALENDAR_ITEM (gnome_canvas_item_new (canvas_group,
e_calendar_item_get_type (),
"week_number_font", small_font,
"week_start_day", 6,
NULL));
#if 0
"show_week_numbers", TRUE,
"minimum_columns", 5,
"maximum_columns", 5,
#endif
if (small_font)
gdk_font_unref (small_font);
button = gtk_button_new ();
/* FIXME: The buttons doesn't display properly if we do this. */
/*gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);*/
gtk_widget_show (button);
gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
GTK_SIGNAL_FUNC (e_calendar_on_prev_clicked),
GTK_OBJECT (cal));
arrow = gtk_arrow_new (GTK_ARROW_LEFT, GTK_SHADOW_OUT);
gtk_widget_show (arrow);
gtk_container_add (GTK_CONTAINER (button), arrow);
cal->prev_item = gnome_canvas_item_new (canvas_group,
gnome_canvas_widget_get_type (),
"widget", button,
NULL);
button = gtk_button_new ();
/*gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);*/
gtk_widget_show (button);
gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
GTK_SIGNAL_FUNC (e_calendar_on_next_clicked),
GTK_OBJECT (cal));
arrow = gtk_arrow_new (GTK_ARROW_RIGHT, GTK_SHADOW_OUT);
gtk_widget_show (arrow);
gtk_container_add (GTK_CONTAINER (button), arrow);
cal->next_item = gnome_canvas_item_new (canvas_group,
gnome_canvas_widget_get_type (),
"widget", button,
NULL);
cal->min_rows = 1;
cal->min_cols = 1;
cal->max_rows = -1;
cal->max_cols = -1;
}
/**
* e_calendar_new:
* @Returns: a new #ECalendar.
*
* Creates a new #ECalendar.
**/
GtkWidget *
e_calendar_new (void)
{
GtkWidget *cal;
cal = gtk_type_new (e_calendar_get_type ());
return cal;
}
static void
e_calendar_destroy (GtkObject *object)
{
ECalendar *cal;
g_return_if_fail (object != NULL);
g_return_if_fail (E_IS_CALENDAR (object));
cal = E_CALENDAR (object);
}
static void
e_calendar_realize (GtkWidget *widget)
{
(*GTK_WIDGET_CLASS (parent_class)->realize) (widget);
}
static void
e_calendar_style_set (GtkWidget *widget,
GtkStyle *previous_style)
{
}
static void
e_calendar_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
ECalendar *cal;
GtkStyle *style;
gdouble col_width, row_height;
gint width, height;
cal = E_CALENDAR (widget);
style = GTK_WIDGET (cal)->style;
gtk_object_get (GTK_OBJECT (cal->calitem),
"row_height", &row_height,
"column_width", &col_width,
NULL);
height = row_height * cal->min_rows;
width = col_width * cal->min_cols;
/* FIXME: Add on space for line & button if shown. */
requisition->width = width + style->klass->xthickness * 2;
requisition->height = height + style->klass->ythickness * 2;
}
static void
e_calendar_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
ECalendar *cal;
GdkFont *font;
gdouble old_x2, old_y2, new_x2, new_y2;
gdouble xthickness, ythickness, button_size;
cal = E_CALENDAR (widget);
font = widget->style->font;
xthickness = widget->style->klass->xthickness;
ythickness = widget->style->klass->ythickness;
(*GTK_WIDGET_CLASS (parent_class)->size_allocate) (widget, allocation);
/* Set the scroll region to its allocated size, if changed. */
gnome_canvas_get_scroll_region (GNOME_CANVAS (cal),
NULL, NULL, &old_x2, &old_y2);
new_x2 = widget->allocation.width - 1;
new_y2 = widget->allocation.height - 1;
if (old_x2 != new_x2 || old_y2 != new_y2)
gnome_canvas_set_scroll_region (GNOME_CANVAS (cal),
0, 0, new_x2, new_y2);
/* FIXME: Take off space for line & buttons if shown. */
gnome_canvas_item_set (GNOME_CANVAS_ITEM (cal->calitem),
"x1", 0.0,
"y1", 0.0,
"x2", new_x2,
"y2", new_y2,
NULL);
button_size = font->ascent + font->descent + E_CALENDAR_ITEM_YPAD1
+ E_CALENDAR_ITEM_YPAD2 - E_CALENDAR_BUTTON_Y_PAD * 2;
gnome_canvas_item_set (cal->prev_item,
"x", xthickness * 2 + E_CALENDAR_BUTTON_X_PAD,
"y", ythickness * 2 + E_CALENDAR_BUTTON_Y_PAD,
"width", button_size,
"height", button_size,
NULL);
gnome_canvas_item_set (cal->next_item,
"x", new_x2 + 1 - xthickness * 2
- E_CALENDAR_BUTTON_X_PAD - button_size,
"y", ythickness * 2 + E_CALENDAR_BUTTON_Y_PAD,
"width", button_size,
"height", button_size,
NULL);
}
static gint
e_calendar_expose (GtkWidget *widget,
GdkEventExpose *event)
{
ECalendar *cal;
cal = E_CALENDAR (widget);
(*GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
e_calendar_paint (cal, &event->area);
return FALSE;
}
static void
e_calendar_draw (GtkWidget *widget,
GdkRectangle *area)
{
ECalendar *cal;
cal = E_CALENDAR (widget);
(*GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
(*GTK_WIDGET_CLASS (grandparent_class)->draw) (widget, area);
e_calendar_paint (cal, area);
}
static void
e_calendar_paint (ECalendar *cal,
GdkRectangle *area)
{
#if 0
g_print ("In e_calendar_paint: %i,%i %ix%i\n", area->x, area->y,
area->width, area->height);
#endif
}
/* FIXME These aren't used? */
#if 0
static gint
e_calendar_button_press (GtkWidget *widget,
GdkEventButton *event)
{
ECalendar *cal;
cal = E_CALENDAR (widget);
g_print ("In e_calendar_button_press\n");
return FALSE;
}
static gint
e_calendar_button_release (GtkWidget *widget,
GdkEventButton *event)
{
g_print ("In e_calendar_button_release\n");
return FALSE;
}
#endif
static gint
e_calendar_focus_in (GtkWidget *widget,
GdkEventFocus *event)
{
return FALSE;
}
static gint
e_calendar_focus_out (GtkWidget *widget,
GdkEventFocus *event)
{
return FALSE;
}
static gint
e_calendar_key_press (GtkWidget *widget,
GdkEventKey *event)
{
return FALSE;
}
void
e_calendar_set_minimum_size (ECalendar *cal,
gint rows,
gint cols)
{
g_return_if_fail (E_IS_CALENDAR (cal));
cal->min_rows = rows;
cal->min_cols = cols;
gnome_canvas_item_set (GNOME_CANVAS_ITEM (cal->calitem),
"minimum_rows", rows,
"minimum_columns", cols,
NULL);
gtk_widget_queue_resize (GTK_WIDGET (cal));
}
void
e_calendar_set_maximum_size (ECalendar *cal,
gint rows,
gint cols)
{
g_return_if_fail (E_IS_CALENDAR (cal));
cal->max_rows = rows;
cal->max_cols = cols;
gnome_canvas_item_set (GNOME_CANVAS_ITEM (cal->calitem),
"maximum_rows", rows,
"maximum_columns", cols,
NULL);
gtk_widget_queue_resize (GTK_WIDGET (cal));
}
static void
e_calendar_on_prev_clicked (ECalendar *cal)
{
gint year, month;
gtk_object_get (GTK_OBJECT (cal->calitem),
"year", &year,
"month", &month,
NULL);
month--;
if (month == -1) {
year--;
month = 11;
}
gnome_canvas_item_set (GNOME_CANVAS_ITEM (cal->calitem),
"year", year,
"month", month,
NULL);
}
static void
e_calendar_on_next_clicked (ECalendar *cal)
{
gint year, month;
gtk_object_get (GTK_OBJECT (cal->calitem),
"year", &year,
"month", &month,
NULL);
month++;
if (month == 12) {
year++;
month = 0;
}
gnome_canvas_item_set (GNOME_CANVAS_ITEM (cal->calitem),
"year", year,
"month", month,
NULL);
}
