/*
* EWeekViewTitlesItem - displays the 'Monday', 'Tuesday' etc. at the top of
* the Month calendar view.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
* Authors:
* Damon Chaplin <damon@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <e-util/e-util.h>
#include "e-week-view-titles-item.h"
#define E_WEEK_VIEW_TITLES_ITEM_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_WEEK_VIEW_TITLES_ITEM, EWeekViewTitlesItemPrivate))
struct _EWeekViewTitlesItemPrivate {
EWeekView *week_view;
};
enum {
PROP_0,
PROP_WEEK_VIEW
};
G_DEFINE_TYPE (
EWeekViewTitlesItem,
e_week_view_titles_item,
GNOME_TYPE_CANVAS_ITEM)
static void
week_view_titles_item_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_WEEK_VIEW:
e_week_view_titles_item_set_week_view (
E_WEEK_VIEW_TITLES_ITEM (object),
g_value_get_object (value));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
week_view_titles_item_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_WEEK_VIEW:
g_value_set_object (
value,
e_week_view_titles_item_get_week_view (
E_WEEK_VIEW_TITLES_ITEM (object)));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
week_view_titles_item_dispose (GObject *object)
{
EWeekViewTitlesItemPrivate *priv;
priv = E_WEEK_VIEW_TITLES_ITEM_GET_PRIVATE (object);
if (priv->week_view != NULL) {
g_object_unref (priv->week_view);
priv->week_view = NULL;
}
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (e_week_view_titles_item_parent_class)->dispose (object);
}
static void
week_view_titles_item_update (GnomeCanvasItem *item,
const cairo_matrix_t *i2c,
gint flags)
{
GnomeCanvasItemClass *canvas_item_class;
/* Chain up to parent's update() method. */
canvas_item_class =
GNOME_CANVAS_ITEM_CLASS (e_week_view_titles_item_parent_class);
canvas_item_class->update (item, i2c, flags);
/* The item covers the entire canvas area. */
item->x1 = 0;
item->y1 = 0;
item->x2 = INT_MAX;
item->y2 = INT_MAX;
}
static void
week_view_titles_item_draw (GnomeCanvasItem *canvas_item,
cairo_t *cr,
gint x,
gint y,
gint width,
gint height)
{
EWeekViewTitlesItem *titles_item;
EWeekView *week_view;
GtkStyle *style;
gint col_width, col, date_width, date_x;
gchar buffer[128];
GtkAllocation allocation;
gboolean abbreviated;
gboolean compress_weekend;
GDateWeekday weekday;
PangoLayout *layout;
titles_item = E_WEEK_VIEW_TITLES_ITEM (canvas_item);
week_view = e_week_view_titles_item_get_week_view (titles_item);
g_return_if_fail (week_view != NULL);
compress_weekend = e_week_view_get_compress_weekend (week_view);
cairo_save (cr);
cairo_set_line_width (cr, 1.0);
gtk_widget_get_allocation (
GTK_WIDGET (canvas_item->canvas), &allocation);
style = gtk_widget_get_style (GTK_WIDGET (week_view));
layout = gtk_widget_create_pango_layout (GTK_WIDGET (week_view), NULL);
/* Draw the shadow around the dates. */
gdk_cairo_set_source_color (cr, &style->light[GTK_STATE_NORMAL]);
cairo_move_to (cr, 1.5 - x, 1.5 - y);
cairo_rel_line_to (cr, allocation.width - 1, 0);
cairo_move_to (cr, 1.5 - x, 2.5 - y);
cairo_rel_line_to (cr, 0, allocation.height - 1);
cairo_stroke (cr);
gdk_cairo_set_source_color (cr, &style->dark[GTK_STATE_NORMAL]);
cairo_rectangle (cr, 0.5 - x, 0.5 - y, allocation.width - 1, allocation.height);
cairo_stroke (cr);
/* Determine the format to use. */
col_width = allocation.width / week_view->columns;
abbreviated = (week_view->max_day_width + 2 >= col_width);
/* Shift right one pixel to account for the shadow around the main
* canvas. */
x--;
/* Draw the date. Set a clipping rectangle so we don't draw over the
* next day. */
weekday = e_week_view_get_display_start_day (week_view);
for (col = 0; col < week_view->columns; col++) {
if (weekday == G_DATE_SATURDAY && compress_weekend)
g_snprintf (
buffer, sizeof (buffer), "%s/%s",
e_get_weekday_name (G_DATE_SATURDAY, TRUE),
e_get_weekday_name (G_DATE_SUNDAY, TRUE));
else
g_snprintf (
buffer, sizeof (buffer), "%s",
e_get_weekday_name (weekday, abbreviated));
cairo_save (cr);
cairo_rectangle (
cr,
week_view->col_offsets[col] - x, 2 - y,
week_view->col_widths[col], allocation.height - 2);
cairo_clip (cr);
if (weekday == G_DATE_SATURDAY && compress_weekend)
date_width = week_view->abbr_day_widths[5]
+ week_view->slash_width
+ week_view->abbr_day_widths[6];
else if (abbreviated)
date_width = week_view->abbr_day_widths[weekday];
else
date_width = week_view->day_widths[weekday];
date_x = week_view->col_offsets[col]
+ (week_view->col_widths[col] - date_width) / 2;
date_x = MAX (date_x, week_view->col_offsets[col]);
pango_layout_set_text (layout, buffer, -1);
cairo_move_to (cr, date_x - x, 3 - y);
pango_cairo_show_layout (cr, layout);
cairo_restore (cr);
/* Draw the lines down the left and right of the date cols. */
if (col != 0) {
gdk_cairo_set_source_color (cr, &style->light[GTK_STATE_NORMAL]);
cairo_move_to (cr, week_view->col_offsets[col] - x + 0.5, 4.5 - y);
cairo_rel_line_to (cr, 0, allocation.height - 8);
cairo_stroke (cr);
gdk_cairo_set_source_color (cr, &style->dark[GTK_STATE_NORMAL]);
cairo_move_to (cr, week_view->col_offsets[col] - x - 0.5, 4.5 - y);
cairo_rel_line_to (cr, 0, allocation.height - 8);
cairo_stroke (cr);
}
/* Draw the lines between each column. */
if (col != 0) {
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_rectangle (
cr, week_view->col_offsets[col] - x,
allocation.height - y, 1, 1);
cairo_fill (cr);
}
weekday = e_weekday_get_next (weekday);
if (weekday == G_DATE_SUNDAY && compress_weekend)
weekday = e_weekday_get_next (weekday);
}
g_object_unref (layout);
cairo_restore (cr);
}
static GnomeCanvasItem *
week_view_titles_item_point (GnomeCanvasItem *item,
gdouble x,
gdouble y,
gint cx,
gint cy)
{
return item;
}
static void
e_week_view_titles_item_class_init (EWeekViewTitlesItemClass *class)
{
GObjectClass *object_class;
GnomeCanvasItemClass *item_class;
g_type_class_add_private (class, sizeof (EWeekViewTitlesItemPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->set_property = week_view_titles_item_set_property;
object_class->get_property = week_view_titles_item_get_property;
object_class->dispose = week_view_titles_item_dispose;
item_class = GNOME_CANVAS_ITEM_CLASS (class);
item_class->update = week_view_titles_item_update;
item_class->draw = week_view_titles_item_draw;
item_class->point = week_view_titles_item_point;
g_object_class_install_property (
object_class,
PROP_WEEK_VIEW,
g_param_spec_object (
"week-view",
"Week View",
NULL,
E_TYPE_WEEK_VIEW,
G_PARAM_READWRITE));
}
static void
e_week_view_titles_item_init (EWeekViewTitlesItem *titles_item)
{
titles_item->priv = E_WEEK_VIEW_TITLES_ITEM_GET_PRIVATE (titles_item);
}
EWeekView *
e_week_view_titles_item_get_week_view (EWeekViewTitlesItem *titles_item)
{
g_return_val_if_fail (E_IS_WEEK_VIEW_TITLES_ITEM (titles_item), NULL);
return titles_item->priv->week_view;
}
void
e_week_view_titles_item_set_week_view (EWeekViewTitlesItem *titles_item,
EWeekView *week_view)
{
g_return_if_fail (E_IS_WEEK_VIEW_TITLES_ITEM (titles_item));
g_return_if_fail (E_IS_WEEK_VIEW (week_view));
if (titles_item->priv->week_view == week_view)
return;
if (titles_item->priv->week_view != NULL)
g_object_unref (titles_item->priv->week_view);
titles_item->priv->week_view = g_object_ref (week_view);
g_object_notify (G_OBJECT (titles_item), "week-view");
}
