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-rw-r--r--calendar/gui/e-week-view-main-item.c366
1 files changed, 366 insertions, 0 deletions
diff --git a/calendar/gui/e-week-view-main-item.c b/calendar/gui/e-week-view-main-item.c
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/*
+ * Author :
+ * Damon Chaplin <damon@helixcode.com>
+ *
+ * Copyright 1999, 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
+ */
+
+/*
+ * EWeekViewMainItem - displays the background grid and dates for the Week and
+ * Month calendar views.
+ */
+
+#include <config.h>
+#include "e-week-view-main-item.h"
+
+static void e_week_view_main_item_class_init (EWeekViewMainItemClass *class);
+static void e_week_view_main_item_init (EWeekViewMainItem *wvmitem);
+
+static void e_week_view_main_item_set_arg (GtkObject *o,
+ GtkArg *arg,
+ guint arg_id);
+static void e_week_view_main_item_update (GnomeCanvasItem *item,
+ double *affine,
+ ArtSVP *clip_path,
+ int flags);
+static void e_week_view_main_item_draw (GnomeCanvasItem *item,
+ GdkDrawable *drawable,
+ int x,
+ int y,
+ int width,
+ int height);
+static void e_week_view_main_item_draw_day (EWeekViewMainItem *wvmitem,
+ gint day,
+ GDate *date,
+ GdkDrawable *drawable,
+ gint x,
+ gint y,
+ gint width,
+ gint height);
+static double e_week_view_main_item_point (GnomeCanvasItem *item,
+ double x,
+ double y,
+ int cx,
+ int cy,
+ GnomeCanvasItem **actual_item);
+
+
+static GnomeCanvasItemClass *parent_class;
+
+/* The arguments we take */
+enum {
+ ARG_0,
+ ARG_WEEK_VIEW
+};
+
+
+GtkType
+e_week_view_main_item_get_type (void)
+{
+ static GtkType e_week_view_main_item_type = 0;
+
+ if (!e_week_view_main_item_type) {
+ GtkTypeInfo e_week_view_main_item_info = {
+ "EWeekViewMainItem",
+ sizeof (EWeekViewMainItem),
+ sizeof (EWeekViewMainItemClass),
+ (GtkClassInitFunc) e_week_view_main_item_class_init,
+ (GtkObjectInitFunc) e_week_view_main_item_init,
+ NULL, /* reserved_1 */
+ NULL, /* reserved_2 */
+ (GtkClassInitFunc) NULL
+ };
+
+ e_week_view_main_item_type = gtk_type_unique (gnome_canvas_item_get_type (), &e_week_view_main_item_info);
+ }
+
+ return e_week_view_main_item_type;
+}
+
+
+static void
+e_week_view_main_item_class_init (EWeekViewMainItemClass *class)
+{
+ GtkObjectClass *object_class;
+ GnomeCanvasItemClass *item_class;
+
+ parent_class = gtk_type_class (gnome_canvas_item_get_type());
+
+ object_class = (GtkObjectClass *) class;
+ item_class = (GnomeCanvasItemClass *) class;
+
+ gtk_object_add_arg_type ("EWeekViewMainItem::week_view",
+ GTK_TYPE_POINTER, GTK_ARG_WRITABLE,
+ ARG_WEEK_VIEW);
+
+ object_class->set_arg = e_week_view_main_item_set_arg;
+
+ /* GnomeCanvasItem method overrides */
+ item_class->update = e_week_view_main_item_update;
+ item_class->draw = e_week_view_main_item_draw;
+ item_class->point = e_week_view_main_item_point;
+}
+
+
+static void
+e_week_view_main_item_init (EWeekViewMainItem *wvmitem)
+{
+ wvmitem->week_view = NULL;
+}
+
+
+static void
+e_week_view_main_item_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
+{
+ GnomeCanvasItem *item;
+ EWeekViewMainItem *wvmitem;
+
+ item = GNOME_CANVAS_ITEM (o);
+ wvmitem = E_WEEK_VIEW_MAIN_ITEM (o);
+
+ switch (arg_id){
+ case ARG_WEEK_VIEW:
+ wvmitem->week_view = GTK_VALUE_POINTER (*arg);
+ break;
+ }
+}
+
+
+static void
+e_week_view_main_item_update (GnomeCanvasItem *item,
+ double *affine,
+ ArtSVP *clip_path,
+ int flags)
+{
+ if (GNOME_CANVAS_ITEM_CLASS (parent_class)->update)
+ (* GNOME_CANVAS_ITEM_CLASS (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_main_item_draw (GnomeCanvasItem *canvas_item,
+ GdkDrawable *drawable,
+ int x,
+ int y,
+ int width,
+ int height)
+{
+ EWeekViewMainItem *wvmitem;
+ EWeekView *week_view;
+ GDate date;
+ gint num_days, day, day_x, day_y, day_w, day_h;
+
+#if 0
+ g_print ("In e_week_view_main_item_draw %i,%i %ix%i\n",
+ x, y, width, height);
+#endif
+
+ wvmitem = E_WEEK_VIEW_MAIN_ITEM (canvas_item);
+ week_view = wvmitem->week_view;
+ g_return_if_fail (week_view != NULL);
+
+ /* Step through each of the days. */
+ date = week_view->first_day_shown;
+
+ /* If no date has been set, we just use Dec 1999/January 2000. */
+ if (!g_date_valid (&date))
+ g_date_set_dmy (&date, 27, 12, 1999);
+
+ num_days = week_view->display_month ? E_WEEK_VIEW_MAX_WEEKS * 7 : 7;
+ for (day = 0; day < num_days; day++) {
+ e_week_view_get_day_position (week_view, day,
+ &day_x, &day_y,
+ &day_w, &day_h);
+ /* Skip any days which are outside the area. */
+ if (day_x < x + width && day_x + day_w >= x
+ && day_y < y + height && day_y + day_h >= y) {
+ e_week_view_main_item_draw_day (wvmitem, day, &date,
+ drawable,
+ day_x - x, day_y - y,
+ day_w, day_h);
+ }
+ g_date_add_days (&date, 1);
+ }
+}
+
+
+static void
+e_week_view_main_item_draw_day (EWeekViewMainItem *wvmitem,
+ gint day,
+ GDate *date,
+ GdkDrawable *drawable,
+ gint x,
+ gint y,
+ gint width,
+ gint height)
+{
+ EWeekView *week_view;
+ GtkStyle *style;
+ GdkGC *fg_gc, *bg_gc, *light_gc, *dark_gc, *gc, *date_gc;
+ GdkGC *selected_fg_gc, *selected_bg_gc;
+ GdkFont *font;
+ gint right_edge, bottom_edge, date_width, date_x, line_y;
+ gboolean show_day_name, show_month_name, selected;
+ gchar buffer[128], *format_string;
+ gint month, day_of_month, max_width;
+ GdkColor *bg_color;
+
+#if 0
+ g_print ("Drawing Day:%i at %i,%i\n", day, x, y);
+#endif
+ week_view = wvmitem->week_view;
+ style = GTK_WIDGET (week_view)->style;
+ font = style->font;
+ fg_gc = style->fg_gc[GTK_STATE_NORMAL];
+ bg_gc = style->bg_gc[GTK_STATE_PRELIGHT];
+ light_gc = style->light_gc[GTK_STATE_NORMAL];
+ dark_gc = style->dark_gc[GTK_STATE_NORMAL];
+ selected_fg_gc = style->fg_gc[GTK_STATE_SELECTED];
+ selected_bg_gc = style->bg_gc[GTK_STATE_SELECTED];
+ gc = week_view->main_gc;
+
+ month = g_date_month (date);
+ day_of_month = g_date_day (date);
+ line_y = y + E_WEEK_VIEW_DATE_T_PAD + font->ascent
+ + font->descent + E_WEEK_VIEW_DATE_LINE_T_PAD;
+
+ /* Draw the background of the day. In the month view odd months are
+ one color and even months another, so you can easily see when each
+ month starts (defaults are white for odd - January, March, ... and
+ light gray for even). In the week view the background is always the
+ same color, the color used for the odd months in the month view. */
+ if (week_view->display_month && (month % 2 == 0))
+ bg_color = &week_view->colors[E_WEEK_VIEW_COLOR_EVEN_MONTHS];
+ else
+ bg_color = &week_view->colors[E_WEEK_VIEW_COLOR_ODD_MONTHS];
+
+ gdk_gc_set_foreground (gc, bg_color);
+ gdk_draw_rectangle (drawable, gc, TRUE, x, y, width, height);
+
+ /* Draw the lines on the right and bottom of the cell. The canvas is
+ sized so that the lines on the right & bottom edges will be off the
+ edge of the canvas, so we don't have to worry about them. */
+ right_edge = x + width - 1;
+ bottom_edge = y + height - 1;
+
+ gdk_draw_line (drawable, fg_gc,
+ right_edge, y, right_edge, bottom_edge);
+ gdk_draw_line (drawable, fg_gc,
+ x, bottom_edge, right_edge, bottom_edge);
+
+ /* If the day is selected, draw the blue background. */
+ selected = TRUE;
+ if (week_view->selection_start_day == -1
+ || week_view->selection_start_day > day
+ || week_view->selection_end_day < day)
+ selected = FALSE;
+ if (selected) {
+ if (week_view->display_month)
+ gdk_draw_rectangle (drawable, selected_bg_gc, TRUE,
+ x + 2, y + 1,
+ width - 5,
+ E_WEEK_VIEW_DATE_T_PAD - 1
+ + font->ascent + font->descent);
+ else
+ gdk_draw_rectangle (drawable, selected_bg_gc, TRUE,
+ x + 2, y + 1,
+ width - 5, line_y - y);
+ }
+
+ /* Display the date in the top of the cell.
+ In the week view, display the long format "10 January" in all cells,
+ or abbreviate it to "10 Jan" or "10" if that doesn't fit.
+ In the month view, only use the long format for the first cell and
+ the 1st of each month, otherwise use "10". */
+ show_day_name = FALSE;
+ show_month_name = FALSE;
+ if (!week_view->display_month) {
+ show_day_name = TRUE;
+ show_month_name = TRUE;
+ } else if (day == 0 || day_of_month == 1) {
+ show_month_name = TRUE;
+ }
+
+ /* Now find the longest form of the date that will fit. */
+ max_width = width - 4;
+ format_string = NULL;
+ if (show_day_name) {
+ if (week_view->max_abbr_day_width +
+ week_view->digit_width * 2 + week_view->space_width * 2
+ + week_view->month_widths[month - 1] < max_width)
+ format_string = "%a %d %B";
+ }
+ if (!format_string && show_month_name) {
+ if (week_view->digit_width * 2 + week_view->space_width
+ + week_view->month_widths[month - 1] < max_width)
+ format_string = "%d %B";
+ else if (week_view->digit_width * 2 + week_view->space_width
+ + week_view->abbr_month_widths[month - 1] < max_width)
+ format_string = "%d %b";
+ }
+
+ g_date_strftime (buffer, 128, format_string ? format_string : "%d",
+ date);
+ date_width = gdk_string_width (font, buffer);
+ date_x = x + width - date_width - E_WEEK_VIEW_DATE_R_PAD;
+ date_x = MAX (date_x, x + 1);
+
+ if (selected)
+ date_gc = selected_fg_gc;
+ else
+ date_gc = fg_gc;
+ gdk_draw_string (drawable, font, date_gc,
+ date_x, y + E_WEEK_VIEW_DATE_T_PAD + font->ascent,
+ buffer);
+
+ /* Draw the line under the date. */
+ if (!week_view->display_month) {
+ gdk_draw_line (drawable, fg_gc,
+ x + E_WEEK_VIEW_DATE_LINE_L_PAD, line_y,
+ right_edge, line_y);
+ }
+}
+
+
+
+
+/* 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_main_item_point (GnomeCanvasItem *item, double x, double y,
+ int cx, int cy,
+ GnomeCanvasItem **actual_item)
+{
+ *actual_item = item;
+ return 0.0;
+}
+
+
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