/*
* 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"
static void e_week_view_titles_item_set_property(GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void e_week_view_titles_item_update (GnomeCanvasItem *item,
double *affine,
ArtSVP *clip_path,
gint flags);
static void e_week_view_titles_item_draw (GnomeCanvasItem *item,
GdkDrawable *drawable,
gint x,
gint y,
gint width,
gint height);
static double e_week_view_titles_item_point (GnomeCanvasItem *item,
double x,
double y,
gint cx,
gint cy,
GnomeCanvasItem **actual_item);
/* The arguments we take */
enum {
PROP_0,
PROP_WEEK_VIEW
};
G_DEFINE_TYPE (EWeekViewTitlesItem, e_week_view_titles_item, GNOME_TYPE_CANVAS_ITEM)
static void
e_week_view_titles_item_class_init (EWeekViewTitlesItemClass *class)
{
GObjectClass *object_class;
GnomeCanvasItemClass *item_class;
object_class = G_OBJECT_CLASS (class);
object_class->set_property = e_week_view_titles_item_set_property;
item_class = GNOME_CANVAS_ITEM_CLASS (class);
item_class->update = e_week_view_titles_item_update;
item_class->draw = e_week_view_titles_item_draw;
item_class->point = e_week_view_titles_item_point;
g_object_class_install_property (
object_class,
PROP_WEEK_VIEW,
g_param_spec_pointer (
"week_view",
NULL,
NULL,
G_PARAM_WRITABLE));
}
static void
e_week_view_titles_item_init (EWeekViewTitlesItem *wvtitem)
{
wvtitem->week_view = NULL;
}
static void
e_week_view_titles_item_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
EWeekViewTitlesItem *wvtitem;
wvtitem = E_WEEK_VIEW_TITLES_ITEM (object);
switch (property_id) {
case PROP_WEEK_VIEW:
wvtitem->week_view = g_value_get_pointer (value);
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
e_week_view_titles_item_update (GnomeCanvasItem *item,
double *affine,
ArtSVP *clip_path,
gint flags)
{
if (GNOME_CANVAS_ITEM_CLASS (e_week_view_titles_item_parent_class)->update)
(* GNOME_CANVAS_ITEM_CLASS (e_week_view_titles_item_parent_class)->update) (item, affine, clip_path, flags);
/* The item covers the entire canvas area. */
item->x1 = 0;
item->y1 = 0;
item->x2 = INT_MAX;
item->y2 = INT_MAX;
}
/*
* DRAWING ROUTINES - functions to paint the canvas item.
*/
static void
e_week_view_titles_item_draw (GnomeCanvasItem *canvas_item,
GdkDrawable *drawable,
gint x,
gint y,
gint width,
gint height)
{
EWeekViewTitlesItem *wvtitem;
EWeekView *week_view;
GtkStyle *style;
GdkGC *fg_gc, *light_gc, *dark_gc;
gint canvas_width, canvas_height, col_width, col, date_width, date_x;
gchar buffer[128];
GdkRectangle clip_rect;
gboolean abbreviated;
gint weekday;
PangoLayout *layout;
#if 0
g_print ("In e_week_view_titles_item_draw %i,%i %ix%i\n",
x, y, width, height);
#endif
wvtitem = E_WEEK_VIEW_TITLES_ITEM (canvas_item);
week_view = wvtitem->week_view;
g_return_if_fail (week_view != NULL);
style = gtk_widget_get_style (GTK_WIDGET (week_view));
fg_gc = style->fg_gc[GTK_STATE_NORMAL];
light_gc = style->light_gc[GTK_STATE_NORMAL];
dark_gc = style->dark_gc[GTK_STATE_NORMAL];
canvas_width = GTK_WIDGET (canvas_item->canvas)->allocation.width;
canvas_height = GTK_WIDGET (canvas_item->canvas)->allocation.height;
layout = gtk_widget_create_pango_layout (GTK_WIDGET (week_view), NULL);
/* Draw the shadow around the dates. */
gdk_draw_line (drawable, light_gc,
1 - x, 1 - y,
canvas_width - 2 - x, 1 - y);
gdk_draw_line (drawable, light_gc,
1 - x, 2 - y,
1 - x, canvas_height - 1 - y);
gdk_draw_rectangle (drawable, dark_gc, FALSE,
0 - x, 0 - y,
canvas_width - 1, canvas_height);
/* Determine the format to use. */
col_width = canvas_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 = week_view->display_start_day;
for (col = 0; col < week_view->columns; col++) {
if (weekday == 5 && week_view->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 + 1, abbreviated));
clip_rect.x = week_view->col_offsets[col] - x;
clip_rect.y = 2 - y;
clip_rect.width = week_view->col_widths[col];
clip_rect.height = canvas_height - 2;
gdk_gc_set_clip_rectangle (fg_gc, &clip_rect);
if (weekday == 5 && week_view->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);
gdk_draw_layout (drawable, fg_gc,
date_x - x,
3 - y,
layout);
gdk_gc_set_clip_rectangle (fg_gc, NULL);
/* Draw the lines down the left and right of the date cols. */
if (col != 0) {
gdk_draw_line (drawable, light_gc,
week_view->col_offsets[col] - x,
4 - y,
week_view->col_offsets[col] - x,
canvas_height - 4 - y);
gdk_draw_line (drawable, dark_gc,
week_view->col_offsets[col] - 1 - x,
4 - y,
week_view->col_offsets[col] - 1 - x,
canvas_height - 4 - y);
}
/* Draw the lines between each column. */
if (col != 0) {
gdk_draw_line (drawable, style->black_gc,
week_view->col_offsets[col] - x,
canvas_height - y,
week_view->col_offsets[col] - x,
canvas_height - y);
}
if (weekday == 5 && week_view->compress_weekend)
weekday += 2;
else
weekday++;
weekday = weekday % 7;
}
g_object_unref (layout);
}
/* This is supposed to return the nearest item the the point and the distance.
Since we are the only item we just return ourself and 0 for the distance.
This is needed so that we get button/motion events. */
static double
e_week_view_titles_item_point (GnomeCanvasItem *item, double x, double y,
gint cx, gint cy,
GnomeCanvasItem **actual_item)
{
*actual_item = item;
return 0.0;
}