gtk/gtkcalendar.c: examples/calendar: Added gtkcalendar widget and demo

Sun Sep 27 02:18:06 CDT 1998 Shawn T. Amundson <amundson@gtk.org>

        * gtk/gtkcalendar.h:
          gtk/gtkcalendar.c:
          examples/calendar: Added gtkcalendar widget and demo

1 files changed, 153 insertions, 0 deletions

diff --git a/gtk/gtkcalendar.h b/gtk/gtkcalendar.h
new file mode 100644
index 000000000..b09a95d79
--- /dev/null
+++ b/gtk/gtkcalendar.h
@@ -0,0 +1,153 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * GTK Calendar Widget
+ * Copyright (C) 1998 Cesar Miquel and Shawn T. Amundson
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __GTK_CALENDAR_H__
+#define __GTK_CALENDAR_H__
+
+#include <gdk/gdk.h>
+#include <gtk/gtksignal.h>
+#include <gtk/gtkwidget.h>
+#include <gtk/gtkfeatures.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define GTK_CALENDAR(obj)          GTK_CHECK_CAST (obj, gtk_calendar_get_type (), GtkCalendar)
+#define GTK_CALENDAR_CLASS(klass)  GTK_CHECK_CLASS_CAST (klass, gtk_calendar_get_type (), GtkCalendarClass)
+#define GTK_IS_CALENDAR(obj)       GTK_CHECK_TYPE (obj, gtk_calendar_get_type ())
+
+typedef struct _GtkCalendar            GtkCalendar;
+typedef struct _GtkCalendarClass       GtkCalendarClass;
+
+typedef enum
+{
+  GTK_CALENDAR_SHOW_HEADING 		= 1 << 0,
+  GTK_CALENDAR_SHOW_DAY_NAMES 		= 1 << 1,
+  GTK_CALENDAR_NO_MONTH_CHANGE 		= 1 << 2,
+  GTK_CALENDAR_SHOW_WEEK_NUMBERS 	= 1 << 3,
+  GTK_CALENDAR_WEEK_START_MONDAY	= 1 << 4
+} GtkCalendarDisplayOptions;
+
+struct _GtkCalendar
+{
+  /* This widget is derived from GtkWidget */
+  GtkWidget widget;
+ 
+  GdkWindow *header_win, *day_name_win, *main_win, *week_win;
+  gint header_h, day_name_h, main_h;
+  
+  GtkStyle  *header_style;
+  GtkStyle  *label_style;
+
+  gint month;
+  gint year;
+  gint selected_day;
+
+  gint day_month[6][7];
+  gint day[6][7];
+
+  gint num_marked_dates;
+  gint marked_date[31];
+  GtkCalendarDisplayOptions  display_flags;
+  GdkColor marked_date_color[31];
+
+  /* Header Information */
+  GdkWindow *arrow_win[4];
+  gint       arrow_state[4];
+  gint       arrow_width;
+  gint       max_month_width;
+  gint       max_year_width;
+
+  /* Other info */
+  gint calstarty, calnumrows;
+
+  /* Style parameters for this widget */
+  GdkGC *gc;
+  GdkCursor *cross;
+
+  gint day_width;
+  gint week_width;
+  GdkRectangle header_button[4];
+  GdkRectangle rect_days[6][7];
+
+  gint highlight_row;
+  gint highlight_col;
+
+  gint min_day_width;
+  gint max_day_char_width;
+  gint max_day_char_ascent;
+  gint max_day_char_descent;
+  gint max_label_char_ascent;
+  gint max_label_char_descent;
+  gint max_week_char_width;
+  /* flags */
+  unsigned int dirty_header:1;
+  unsigned int dirty_day_names:1;
+  unsigned int dirty_main:1;
+  unsigned int dirty_week:1;
+  unsigned int frozen;
+
+  gint week_num_w;
+  gint font_width_day_name, font_width_day;
+  char grow_space [32];
+};
+
+struct _GtkCalendarClass
+{
+  GtkWidgetClass parent_class;
+
+  /* Signal handlers */
+  void (* gtk_calendar_month_changed) (GtkCalendarClass *);
+  void (* gtk_calendar_day_selected) (GtkCalendarClass *);
+  void (* gtk_calendar_day_selected_double_click) (GtkCalendarClass *);
+  void (* gtk_calendar_prev_month) (GtkCalendarClass *);
+  void (* gtk_calendar_next_month) (GtkCalendarClass *);
+  void (* gtk_calendar_prev_year) (GtkCalendarClass *);
+  void (* gtk_calendar_next_year) (GtkCalendarClass *);
+ 
+};
+
+
+guint      gtk_calendar_get_type     	(void);
+GtkWidget* gtk_calendar_new          	(void);
+
+gint       gtk_calendar_select_month 	(GtkCalendar *calendar, 
+                                      	 gint month, gint year);
+void       gtk_calendar_select_day   	(GtkCalendar *calendar, gint day);
+
+gint       gtk_calendar_mark_day     	(GtkCalendar *calendar, gint day);
+gint       gtk_calendar_unmark_day   	(GtkCalendar *calendar, gint day);
+void       gtk_calendar_clear_marks  	(GtkCalendar *calendar);
+
+
+void	   gtk_calendar_display_options (GtkCalendar *calendar,
+                                         GtkCalendarDisplayOptions flags);
+
+void       gtk_calendar_get_date        (GtkCalendar *calendar, 
+		                         gint *year, gint *month, gint *day);
+void       gtk_calendar_freeze          (GtkCalendar *calendar);
+void       gtk_calendar_thaw            (GtkCalendar *calendar);
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __GTK_CALENDAR_H__ */