--- /dev/null
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * GTK Calendar Widget
+ * Copyright (C) 1998 Cesar Miquel, Shawn T. Amundson and Mattias Grönlund
+ *
+ * lib_date routines
+ * Copyright (c) 1995, 1996, 1997, 1998 by Steffen Beyer
+ *
+ * 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.
+ */
+
+#include <sys/time.h>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+#include <stdio.h>
+#include "gtkcalendar.h"
+#include "gdk/gdkkeysyms.h"
+
+/***************************************************************************/
+/* The following date routines are taken from the lib_date package. Keep
+ * them seperate in case we want to update them if a newer lib_date comes
+ * out with fixes. */
+
+typedef unsigned int N_int;
+typedef unsigned long N_long;
+typedef signed long Z_long;
+typedef enum { false = FALSE , true = TRUE } boolean;
+
+#define and && /* logical (boolean) operators: lower case */
+#define or ||
+
+static N_int month_length[2][13] =
+{
+ { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
+ { 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
+};
+
+static N_int days_in_months[2][14] =
+{
+ { 0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
+ { 0, 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
+};
+
+static Z_long calc_days(N_int year, N_int mm, N_int dd);
+static N_int day_of_week(N_int year, N_int mm, N_int dd);
+static Z_long dates_difference(N_int year1, N_int mm1, N_int dd1,
+ N_int year2, N_int mm2, N_int dd2);
+static N_int weeks_in_year(N_int year);
+
+static boolean
+leap(N_int year)
+{
+ return((((year % 4) == 0) and ((year % 100) != 0)) or ((year % 400) == 0));
+}
+
+static N_int
+day_of_week(N_int year, N_int mm, N_int dd)
+{
+ Z_long days;
+
+ days = calc_days(year, mm, dd);
+ if (days > 0L)
+ {
+ days--;
+ days %= 7L;
+ days++;
+ }
+ return( (N_int) days );
+}
+
+static N_int weeks_in_year(N_int year)
+{
+ return(52 + ((day_of_week(year,1,1)==4) or (day_of_week(year,12,31)==4)));
+}
+
+static boolean
+check_date(N_int year, N_int mm, N_int dd)
+{
+ if (year < 1) return(false);
+ if ((mm < 1) or (mm > 12)) return(false);
+ if ((dd < 1) or (dd > month_length[leap(year)][mm])) return(false);
+ return(true);
+}
+
+static N_int
+week_number(N_int year, N_int mm, N_int dd)
+{
+ N_int first;
+
+ first = day_of_week(year,1,1) - 1;
+ return( (N_int) ( (dates_difference(year,1,1, year,mm,dd) + first) / 7L ) +
+ (first < 4) );
+}
+
+static Z_long
+year_to_days(N_int year)
+{
+ return( year * 365L + (year / 4) - (year / 100) + (year / 400) );
+}
+
+
+static Z_long
+calc_days(N_int year, N_int mm, N_int dd)
+{
+ boolean lp;
+
+ if (year < 1) return(0L);
+ if ((mm < 1) or (mm > 12)) return(0L);
+ if ((dd < 1) or (dd > month_length[(lp = leap(year))][mm])) return(0L);
+ return( year_to_days(--year) + days_in_months[lp][mm] + dd );
+}
+
+static boolean
+week_of_year(N_int *week, N_int *year, N_int mm, N_int dd)
+{
+ if (check_date(*year,mm,dd))
+ {
+ *week = week_number(*year,mm,dd);
+ if (*week == 0)
+ *week = weeks_in_year(--(*year));
+ else if (*week > weeks_in_year(*year))
+ {
+ *week = 1;
+ (*year)++;
+ }
+ return(true);
+ }
+ return(false);
+}
+
+static Z_long
+dates_difference(N_int year1, N_int mm1, N_int dd1,
+ N_int year2, N_int mm2, N_int dd2)
+{
+ return( calc_days(year2, mm2, dd2) - calc_days(year1, mm1, dd1) );
+}
+
+/** END OF lib_date routines ************************************************/
+
+#define CALENDAR_MARGIN 0
+#define CALENDAR_YSEP 4
+#define CALENDAR_XSEP 4
+#define INNER_BORDER 4
+
+#define DAY_XPAD 2
+#define DAY_YPAD 2
+#define DAY_XSEP 0 /* not really good for small calendar */
+#define DAY_YSEP 0 /* not really good for small calendar */
+
+/* Color usage */
+#define HEADER_FG_COLOR(widget) (& (widget)->style->fg[GTK_WIDGET_STATE (widget)])
+#define HEADER_BG_COLOR(widget) (& (widget)->style->bg[GTK_WIDGET_STATE (widget)])
+#define DAY_NAME_COLOR(widget) (& (widget)->style->dark[GTK_WIDGET_STATE (widget)])
+#define NORMAL_DAY_COLOR(widget) (& (widget)->style->fg[GTK_WIDGET_STATE (widget)])
+#define SELECTION_FOCUS_COLOR(widget) (& (widget)->style->fg[GTK_WIDGET_STATE (widget)])
+#define SELECTION_NO_FOCUS_COLOR(widget) (& (widget)->style->mid[GTK_WIDGET_STATE (widget)])
+#define PREV_MONTH_COLOR(widget) (& (widget)->style->mid[GTK_WIDGET_STATE (widget)])
+#define NEXT_MONTH_COLOR(widget) (& (widget)->style->mid[GTK_WIDGET_STATE (widget)])
+#define MARKED_COLOR(widget) (& (widget)->style->fg[GTK_WIDGET_STATE (widget)])
+#define FOREGROUND_COLOR(widget) (& (widget)->style->fg[GTK_WIDGET_STATE (widget)])
+#define BACKGROUND_COLOR(widget) (& (widget)->style->base[GTK_WIDGET_STATE (widget)])
+#define HIGHLIGHT_BACK_COLOR(widget) (& (widget)->style->mid[GTK_WIDGET_STATE (widget)])
+
+#define HEADER_FONT(widget) ((widget)->style->font)
+#define LABEL_FONT(widget) ((widget)->style->font)
+#define DAY_FONT(widget) ((widget)->style->font)
+
+enum {
+ ARROW_YEAR_LEFT,
+ ARROW_YEAR_RIGHT,
+ ARROW_MONTH_LEFT,
+ ARROW_MONTH_RIGHT
+};
+
+enum {
+ MONTH_PREV,
+ MONTH_CURRENT,
+ MONTH_NEXT
+};
+
+static GtkWidgetClass *parent_class = NULL;
+
+enum {
+ MONTH_CHANGED_SIGNAL,
+ DAY_SELECTED_SIGNAL,
+ DAY_SELECTED_DOUBLE_CLICK_SIGNAL,
+ PREV_MONTH_SIGNAL,
+ NEXT_MONTH_SIGNAL,
+ PREV_YEAR_SIGNAL,
+ NEXT_YEAR_SIGNAL,
+ LAST_SIGNAL
+};
+
+static gint gtk_calendar_signals[LAST_SIGNAL] = { 0 };
+
+typedef void (*GtkCalendarSignalDate) (GtkObject *object, guint arg1, guint arg2, guint arg3, gpointer data);
+
+static void gtk_calendar_class_init (GtkCalendarClass *class);
+static void gtk_calendar_init (GtkCalendar *calendar);
+static void gtk_calendar_realize (GtkWidget *widget);
+static void gtk_calendar_unrealize (GtkWidget *widget);
+static void gtk_calendar_draw_focus (GtkWidget *widget);
+static void gtk_calendar_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void gtk_calendar_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static gint gtk_calendar_expose (GtkWidget *widget,
+ GdkEventExpose *event);
+static gint gtk_calendar_button_press (GtkWidget *widget,
+ GdkEventButton *event);
+static void gtk_calendar_main_button (GtkWidget *widget,
+ GdkEventButton *event);
+static gint gtk_calendar_motion_notify (GtkWidget *widget,
+ GdkEventMotion *event);
+static gint gtk_calendar_enter_notify (GtkWidget *widget,
+ GdkEventCrossing *event);
+static gint gtk_calendar_leave_notify (GtkWidget *widget,
+ GdkEventCrossing *event);
+static gint gtk_calendar_key_press (GtkWidget *widget,
+ GdkEventKey *event);
+static gint gtk_calendar_focus_in (GtkWidget *widget,
+ GdkEventFocus *event);
+static gint gtk_calendar_focus_out (GtkWidget *widget,
+ GdkEventFocus *event);
+static void gtk_calendar_state_changed (GtkWidget *widget,
+ GtkStateType previous_state);
+static void gtk_calendar_style_set (GtkWidget *widget,
+ GtkStyle *previous_style);
+void gtk_calendar_paint_header (GtkWidget *widget);
+void gtk_calendar_paint_day_names (GtkWidget *widget);
+void gtk_calendar_paint_week_numbers (GtkWidget *widget);
+void gtk_calendar_paint_main (GtkWidget *widget);
+
+
+static void gtk_calendar_paint (GtkWidget *widget, GdkRectangle *area);
+static void gtk_calendar_paint_arrow (GtkWidget *widget, guint arrow);
+static void gtk_calendar_paint_day_num (GtkWidget *widget, gint day);
+static void gtk_calendar_paint_day (GtkWidget *widget, gint row, gint col);
+static void gtk_calendar_draw (GtkWidget *widget, GdkRectangle *area);
+static void gtk_calendar_compute_days (GtkCalendar *calendar);
+static gint left_x_for_column (GtkCalendar *calendar, gint column);
+static gint top_y_for_row (GtkCalendar *calendar, gint row);
+
+static char *default_abbreviated_dayname[7];
+static char *default_monthname[12];
+
+guint
+gtk_calendar_get_type ()
+{
+ static guint calendar_type = 0;
+
+ if (!calendar_type)
+ {
+ GtkTypeInfo calendar_info =
+ {
+ "GtkCalendar",
+ sizeof (GtkCalendar),
+ sizeof (GtkCalendarClass),
+ (GtkClassInitFunc) gtk_calendar_class_init,
+ (GtkObjectInitFunc) gtk_calendar_init,
+ (GtkArgSetFunc) NULL,
+ (GtkArgGetFunc) NULL,
+ };
+
+ calendar_type = gtk_type_unique (gtk_widget_get_type (), &calendar_info);
+ }
+
+ return calendar_type;
+}
+
+static void
+gtk_calendar_class_init (GtkCalendarClass *class)
+{
+ GtkObjectClass *object_class;
+ GtkWidgetClass *widget_class;
+
+ object_class = (GtkObjectClass*) class;
+ widget_class = (GtkWidgetClass*) class;
+
+ parent_class = gtk_type_class (gtk_widget_get_type ());
+
+ widget_class->realize = gtk_calendar_realize;
+ widget_class->unrealize = gtk_calendar_unrealize;
+ widget_class->expose_event = gtk_calendar_expose;
+ widget_class->draw = gtk_calendar_draw;
+ widget_class->draw_focus = gtk_calendar_draw_focus;
+ widget_class->size_request = gtk_calendar_size_request;
+ widget_class->size_allocate = gtk_calendar_size_allocate;
+ widget_class->button_press_event = gtk_calendar_button_press;
+ widget_class->motion_notify_event = gtk_calendar_motion_notify;
+ widget_class->enter_notify_event = gtk_calendar_enter_notify;
+ widget_class->leave_notify_event = gtk_calendar_leave_notify;
+ widget_class->key_press_event = gtk_calendar_key_press;
+ widget_class->focus_in_event = gtk_calendar_focus_in;
+ widget_class->focus_out_event = gtk_calendar_focus_out;
+ widget_class->style_set = gtk_calendar_style_set;
+ widget_class->state_changed = gtk_calendar_state_changed;
+
+ gtk_calendar_signals[MONTH_CHANGED_SIGNAL] =
+ gtk_signal_new ("month_changed",
+ GTK_RUN_FIRST, object_class->type,
+ GTK_SIGNAL_OFFSET (GtkCalendarClass, gtk_calendar_month_changed),
+ gtk_signal_default_marshaller, GTK_TYPE_NONE, 0);
+ gtk_calendar_signals[DAY_SELECTED_SIGNAL] =
+ gtk_signal_new ("day_selected",
+ GTK_RUN_FIRST, object_class->type,
+ GTK_SIGNAL_OFFSET (GtkCalendarClass, gtk_calendar_day_selected),
+ gtk_signal_default_marshaller, GTK_TYPE_NONE, 0);
+ gtk_calendar_signals[DAY_SELECTED_DOUBLE_CLICK_SIGNAL] =
+ gtk_signal_new ("day_selected_double_click",
+ GTK_RUN_FIRST, object_class->type,
+ GTK_SIGNAL_OFFSET (GtkCalendarClass, gtk_calendar_day_selected_double_click),
+ gtk_signal_default_marshaller, GTK_TYPE_NONE, 0);
+ gtk_calendar_signals[PREV_MONTH_SIGNAL] =
+ gtk_signal_new ("prev_month",
+ GTK_RUN_FIRST, object_class->type,
+ GTK_SIGNAL_OFFSET (GtkCalendarClass, gtk_calendar_prev_month),
+ gtk_signal_default_marshaller, GTK_TYPE_NONE, 0);
+ gtk_calendar_signals[NEXT_MONTH_SIGNAL] =
+ gtk_signal_new ("next_month",
+ GTK_RUN_FIRST, object_class->type,
+ GTK_SIGNAL_OFFSET (GtkCalendarClass, gtk_calendar_next_month),
+ gtk_signal_default_marshaller, GTK_TYPE_NONE, 0);
+ gtk_calendar_signals[PREV_YEAR_SIGNAL] =
+ gtk_signal_new ("prev_year",
+ GTK_RUN_FIRST, object_class->type,
+ GTK_SIGNAL_OFFSET (GtkCalendarClass, gtk_calendar_prev_year),
+ gtk_signal_default_marshaller, GTK_TYPE_NONE, 0);
+ gtk_calendar_signals[NEXT_YEAR_SIGNAL] =
+ gtk_signal_new ("next_year",
+ GTK_RUN_FIRST, object_class->type,
+ GTK_SIGNAL_OFFSET (GtkCalendarClass, gtk_calendar_next_year),
+ gtk_signal_default_marshaller, GTK_TYPE_NONE, 0);
+
+ gtk_object_class_add_signals (object_class, gtk_calendar_signals, LAST_SIGNAL);
+
+ class->gtk_calendar_month_changed = NULL;
+ class->gtk_calendar_day_selected = NULL;
+ class->gtk_calendar_day_selected_double_click = NULL;
+ class->gtk_calendar_prev_month = NULL;
+ class->gtk_calendar_next_month = NULL;
+ class->gtk_calendar_prev_year = NULL;
+ class->gtk_calendar_next_year = NULL;
+
+ return;
+}
+
+static void
+gtk_calendar_init (GtkCalendar *calendar)
+{
+ time_t secs;
+ struct tm *tm;
+ gint i;
+ char buffer[255];
+ time_t tmp_time;
+ GtkWidget *widget;
+
+ widget = GTK_WIDGET (calendar);
+ GTK_WIDGET_SET_FLAGS (widget, GTK_CAN_FOCUS);
+
+ if (!default_abbreviated_dayname[0])
+ for (i=0; i<7; i++)
+ {
+ tmp_time= (i+3)*86400;
+ strftime ( buffer, sizeof (buffer), "%a", gmtime (&tmp_time));
+ default_abbreviated_dayname[i] = g_strdup (buffer);
+ }
+
+ if (!default_monthname[0])
+ for (i=0; i<12; i++)
+ {
+ tmp_time=i*2764800;
+ strftime ( buffer, sizeof (buffer), "%B", gmtime (&tmp_time));
+ default_monthname[i] = g_strdup (buffer);
+ }
+
+ /* Set defaults */
+ secs = time (NULL);
+ tm = localtime (&secs);
+ calendar->month = tm->tm_mon;
+ calendar->year = 1900 + tm->tm_year;
+
+ for (i=0;i<31;i++)
+ calendar->marked_date[i] = FALSE;
+ calendar->selected_day = 1;
+
+ calendar->arrow_width = 10;
+
+ /* Create cursor */
+ /* calendar->cross = gdk_cursor_new (GDK_PLUS); */
+
+ calendar->highlight_row = -1;
+ calendar->highlight_col = -1;
+
+
+ calendar->max_day_char_width=0;
+ calendar->max_week_char_width=0;
+ calendar->dirty_header = 0;
+ calendar->dirty_day_names = 0;
+ calendar->dirty_week = 0;
+ calendar->dirty_main = 0;
+ calendar->frozen = 0;
+}
+
+GtkWidget*
+gtk_calendar_new ()
+{
+ return GTK_WIDGET (gtk_type_new (gtk_calendar_get_type ()));
+}
+
+/* column_from_x: returns the column 0-6 that the
+ * x pixel of the xwindow is in */
+static gint
+column_from_x (GtkCalendar *calendar, gint event_x)
+{
+ gint c, column;
+ gint x_left, x_right;
+
+ column = -1;
+
+ for (c = 0; c < 7; c++)
+ {
+ x_left = left_x_for_column (calendar, c);
+ x_right = x_left + calendar->day_width;
+
+ if (event_x > x_left && event_x < x_right)
+ {
+ column = c;
+ break;
+ }
+ }
+
+ return column;
+}
+
+static gint
+row_height (GtkCalendar *calendar)
+{
+ return (calendar->main_h - CALENDAR_MARGIN
+ - ((calendar->display_flags & GTK_CALENDAR_SHOW_DAY_NAMES)
+ ? CALENDAR_YSEP : CALENDAR_MARGIN)) / 6;
+}
+
+
+/* row_from_y: returns the row 0-5 that the
+ * y pixel of the xwindow is in */
+static gint
+row_from_y (GtkCalendar *calendar, gint event_y)
+{
+ gint r, row;
+ gint height;
+ gint y_top, y_bottom;
+
+ height = row_height (calendar);
+ row = -1;
+
+ for (r = 0; r < 6; r++)
+ {
+ y_top = top_y_for_row (calendar, r);
+ y_bottom = y_top + height;
+
+ if (event_y > y_top && event_y < y_bottom)
+ {
+ row = r;
+ break;
+ }
+ }
+
+ return row;
+}
+
+/* left_x_for_column: returns the x coordinate
+ * for the left of the column */
+static gint
+left_x_for_column (GtkCalendar *calendar, gint column)
+{
+ gint width;
+ gint x_left;
+
+ width = calendar->day_width;
+ if (calendar->display_flags & GTK_CALENDAR_SHOW_WEEK_NUMBERS)
+ x_left = DAY_XSEP + (width + DAY_XSEP) * column;
+ else
+ x_left = CALENDAR_MARGIN + (width + DAY_XSEP) * column;
+
+ return x_left;
+}
+
+/* top_y_for_row: returns the y coordinate
+ * for the top of the row */
+static gint
+top_y_for_row (GtkCalendar *calendar, gint row)
+{
+
+ return calendar->main_h - (CALENDAR_MARGIN + (6 - row) *
+ row_height (calendar));
+}
+
+/* This function should be done by the toolkit, but we don't like the
+ * GTK arrows because they don't look good on this widget */
+static void
+draw_arrow_right (GdkWindow *window, GdkGC *gc, gint x, gint y, gint size)
+{
+ gint i;
+
+ for (i = 0; i <= size / 2; i++)
+ {
+ gdk_draw_line (window, gc,
+ x + i,
+ y + i,
+ x + i,
+ y + size - i);
+ }
+}
+
+/* This function should be done by the toolkit, but we don't like the
+ * GTK arrows because they don't look good on this widget */
+static void
+draw_arrow_left (GdkWindow *window, GdkGC *gc, gint x, gint y, gint size)
+{
+ gint i;
+
+ for (i = 0; i <= size / 2; i++)
+ {
+ gdk_draw_line (window, gc,
+ x + size/2 - i,
+ y + i,
+ x + size/2 - i,
+ y + size - i);
+ }
+}
+
+static void
+gtk_calendar_set_month_prev (GtkCalendar *calendar)
+{
+ gint month_len;
+
+ if (calendar->display_flags & GTK_CALENDAR_NO_MONTH_CHANGE)
+ return;
+
+ if (calendar->month == 0)
+ {
+ calendar->month = 11;
+ calendar->year--;
+ }
+ else
+ calendar->month--;
+
+ month_len = month_length[leap (calendar->year)][calendar->month + 1];
+
+ gtk_calendar_freeze (calendar);
+ gtk_calendar_compute_days (calendar);
+
+ gtk_signal_emit (GTK_OBJECT (calendar),
+ gtk_calendar_signals[PREV_MONTH_SIGNAL]);
+ gtk_signal_emit (GTK_OBJECT (calendar),
+ gtk_calendar_signals[MONTH_CHANGED_SIGNAL]);
+
+ if (month_len < calendar->selected_day)
+ {
+ calendar->selected_day = 0;
+ gtk_calendar_select_day (calendar, month_len);
+ }
+ else
+ {
+ if (calendar->selected_day < 0)
+ calendar->selected_day = calendar->selected_day + 1 + month_length[leap (calendar->year)][calendar->month + 1];
+ else
+ gtk_calendar_select_day (calendar, calendar->selected_day);
+ }
+
+ gtk_calendar_select_day (calendar, calendar->selected_day);
+ gtk_calendar_paint (GTK_WIDGET (calendar), NULL);
+ gtk_calendar_thaw (calendar);
+}
+
+
+static void
+gtk_calendar_set_month_next (GtkCalendar *calendar)
+{
+ gint month_len;
+
+ g_return_if_fail (calendar != NULL);
+ g_return_if_fail (GTK_IS_WIDGET (calendar));
+
+ if (calendar->display_flags & GTK_CALENDAR_NO_MONTH_CHANGE)
+ return;
+
+
+ if (calendar->month == 11)
+ {
+ calendar->month = 0;
+ calendar->year++;
+ }
+ else
+ calendar->month++;
+
+ gtk_calendar_freeze (calendar);
+ gtk_calendar_compute_days (calendar);
+ gtk_signal_emit (GTK_OBJECT (calendar),
+ gtk_calendar_signals[NEXT_MONTH_SIGNAL]);
+ gtk_signal_emit (GTK_OBJECT (calendar),
+ gtk_calendar_signals[MONTH_CHANGED_SIGNAL]);
+
+ month_len = month_length[leap (calendar->year)][calendar->month + 1];
+
+ if (month_len < calendar->selected_day)
+ {
+ calendar->selected_day = 0;
+ gtk_calendar_select_day (calendar, month_len);
+ }
+ else
+ gtk_calendar_select_day (calendar, calendar->selected_day);
+
+ gtk_calendar_paint (GTK_WIDGET(calendar), NULL);
+ gtk_calendar_thaw (calendar);
+}
+
+static void
+gtk_calendar_set_year_prev (GtkCalendar *calendar)
+{
+ gint month_len;
+
+ g_return_if_fail (calendar != NULL);
+ g_return_if_fail (GTK_IS_WIDGET (calendar));
+
+ calendar->year--;
+ gtk_calendar_freeze (calendar);
+ gtk_calendar_compute_days (calendar);
+ gtk_signal_emit (GTK_OBJECT (calendar),
+ gtk_calendar_signals[PREV_YEAR_SIGNAL]);
+ gtk_signal_emit (GTK_OBJECT (calendar),
+ gtk_calendar_signals[MONTH_CHANGED_SIGNAL]);
+
+ month_len = month_length[leap (calendar->year)][calendar->month + 1];
+
+ if (month_len < calendar->selected_day)
+ {
+ calendar->selected_day = 0;
+ gtk_calendar_select_day (calendar, month_len);
+ }
+ else
+ gtk_calendar_select_day (calendar, calendar->selected_day);
+
+ gtk_calendar_paint (GTK_WIDGET (calendar), NULL);
+ gtk_calendar_thaw (calendar);
+}
+
+static void
+gtk_calendar_set_year_next (GtkCalendar *calendar)
+{
+ gint month_len;
+ GtkWidget *widget;
+
+ g_return_if_fail (calendar != NULL);
+ g_return_if_fail (GTK_IS_WIDGET (calendar));
+
+ widget = GTK_WIDGET (calendar);
+
+ gtk_calendar_freeze (calendar);
+
+ calendar->year++;
+ gtk_calendar_compute_days (calendar);
+ gtk_signal_emit (GTK_OBJECT (calendar),
+ gtk_calendar_signals[NEXT_YEAR_SIGNAL]);
+ gtk_signal_emit (GTK_OBJECT (calendar),
+ gtk_calendar_signals[MONTH_CHANGED_SIGNAL]);
+
+ month_len = month_length[leap (calendar->year)][calendar->month + 1];
+
+ if (month_len < calendar->selected_day)
+ {
+ calendar->selected_day = 0;
+ gtk_calendar_select_day (calendar, month_len);
+ }
+ else
+ gtk_calendar_select_day (calendar, calendar->selected_day);
+
+ gtk_calendar_paint (GTK_WIDGET (calendar), NULL);
+ gtk_calendar_thaw (calendar);
+}
+
+static void
+gtk_calendar_main_button (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ GtkCalendar *calendar;
+ gint x, y;
+ gint row, col;
+ gint day_month;
+
+ calendar = GTK_CALENDAR (widget);
+
+ x = (gint) (event->x);
+ y = (gint) (event->y);
+
+ row = row_from_y (calendar, y);
+ col = column_from_x (calendar, x);
+
+ day_month = calendar->day_month[row][col];
+
+ if (day_month == MONTH_CURRENT)
+ {
+ if (event->type == GDK_2BUTTON_PRESS)
+ gtk_signal_emit (GTK_OBJECT (calendar),
+ gtk_calendar_signals[DAY_SELECTED_DOUBLE_CLICK_SIGNAL]);
+ else
+ {
+ if (!GTK_WIDGET_HAS_FOCUS (widget))
+ gtk_widget_grab_focus (widget);
+ gtk_calendar_select_day (calendar, calendar->day[row][col]);
+ }
+ }
+ else if (day_month == MONTH_PREV)
+ gtk_calendar_set_month_prev (calendar);
+ else if (day_month == MONTH_NEXT)
+ gtk_calendar_set_month_next (calendar);
+}
+
+static void
+gtk_calendar_realize_arrows (GtkWidget *widget)
+{
+ GtkCalendar *calendar;
+ GdkWindowAttr attributes;
+ gint attributes_mask;
+ gint i;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+
+ calendar = GTK_CALENDAR (widget);
+ /* Arrow windows ------------------------------------- */
+ if (! (calendar->display_flags & GTK_CALENDAR_NO_MONTH_CHANGE)
+ && (calendar->display_flags & GTK_CALENDAR_SHOW_HEADING))
+ {
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.visual = gtk_widget_get_visual (widget);
+ attributes.colormap = gtk_widget_get_colormap (widget);
+ attributes.event_mask = (gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK
+ | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
+ | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
+ attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+ attributes.y = 3;
+ attributes.width = calendar->arrow_width;
+ attributes.height = calendar->header_h - 7;
+ for (i = 0; i < 4; i++)
+ {
+ switch (i)
+ {
+ case ARROW_MONTH_LEFT:
+ attributes.x = 3;
+ break;
+ case ARROW_MONTH_RIGHT:
+ attributes.x = calendar->arrow_width + calendar->max_month_width;
+ break;
+ case ARROW_YEAR_LEFT:
+ attributes.x = (widget->allocation.width
+ - (3 + 2*calendar->arrow_width + calendar->max_year_width));
+ break;
+ case ARROW_YEAR_RIGHT:
+ attributes.x = widget->allocation.width - 3 - calendar->arrow_width;
+ break;
+ }
+ calendar->arrow_win[i] = gdk_window_new (calendar->header_win,
+ &attributes, attributes_mask);
+ calendar->arrow_state[i] = GTK_STATE_NORMAL;
+ gdk_window_set_background (calendar->arrow_win[i],
+ HEADER_BG_COLOR (GTK_WIDGET (calendar)));
+ gdk_window_show (calendar->arrow_win[i]);
+ gdk_window_set_user_data (calendar->arrow_win[i], widget);
+ }
+ }
+ else
+ for (i = 0; i < 4; i++)
+ calendar->arrow_win[i] = NULL;
+}
+
+static void
+gtk_calendar_realize_header (GtkWidget *widget)
+{
+ GtkCalendar *calendar;
+ GdkWindowAttr attributes;
+ gint attributes_mask;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+
+ calendar = GTK_CALENDAR (widget);
+
+ /* Header window ------------------------------------- */
+ if (calendar->display_flags & GTK_CALENDAR_SHOW_HEADING)
+ {
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.visual = gtk_widget_get_visual (widget);
+ attributes.colormap = gtk_widget_get_colormap (widget);
+ attributes.event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
+ attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+ attributes.x = 0;
+ attributes.y = 0;
+ attributes.width = widget->allocation.width;
+ attributes.height = calendar->header_h;
+ calendar->header_win = gdk_window_new (widget->window,
+ &attributes, attributes_mask);
+
+ gdk_window_set_background (calendar->header_win,
+ HEADER_BG_COLOR (GTK_WIDGET (calendar)));
+ gdk_window_show (calendar->header_win);
+ gdk_window_set_user_data (calendar->header_win, widget);
+
+ }
+ else
+ calendar->header_win = NULL;
+
+ gtk_calendar_realize_arrows (widget);
+}
+
+static void
+gtk_calendar_realize_day_names (GtkWidget *widget)
+{
+ GtkCalendar *calendar;
+ GdkWindowAttr attributes;
+ gint attributes_mask;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+
+ calendar = GTK_CALENDAR (widget);
+
+ /* Day names window --------------------------------- */
+ if ( calendar->display_flags & GTK_CALENDAR_SHOW_DAY_NAMES)
+ {
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.visual = gtk_widget_get_visual (widget);
+ attributes.colormap = gtk_widget_get_colormap (widget);
+ attributes.event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
+ attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+ attributes.x = (widget->style->klass->xthickness + INNER_BORDER);
+ attributes.y = calendar->header_h + (widget->style->klass->ythickness + INNER_BORDER);
+ attributes.width = widget->allocation.width - (widget->style->klass->xthickness + INNER_BORDER) *2;
+ attributes.height = calendar->day_name_h;
+ calendar->day_name_win = gdk_window_new (widget->window,
+ &attributes, attributes_mask);
+ gdk_window_set_background (calendar->day_name_win, BACKGROUND_COLOR ( GTK_WIDGET ( calendar)));
+ gdk_window_show (calendar->day_name_win);
+ gdk_window_set_user_data (calendar->day_name_win, widget);
+ }
+ else
+ calendar->day_name_win = NULL;
+}
+
+static void
+gtk_calendar_realize_week_numbers (GtkWidget *widget)
+{
+ GtkCalendar *calendar;
+ GdkWindowAttr attributes;
+ gint attributes_mask;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+
+ calendar = GTK_CALENDAR (widget);
+ /* Week number window -------------------------------- */
+ if (calendar->display_flags & GTK_CALENDAR_SHOW_WEEK_NUMBERS)
+ {
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.visual = gtk_widget_get_visual (widget);
+ attributes.colormap = gtk_widget_get_colormap (widget);
+ attributes.event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
+
+ attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+ attributes.x = + (widget->style->klass->xthickness + INNER_BORDER);
+ attributes.y = (calendar->header_h + calendar->day_name_h
+ + (widget->style->klass->ythickness + INNER_BORDER));
+ attributes.width = calendar->week_width;
+ attributes.height = calendar->main_h;
+ calendar->week_win = gdk_window_new (widget->window,
+ &attributes, attributes_mask);
+ gdk_window_set_background (calendar->week_win, BACKGROUND_COLOR (GTK_WIDGET (calendar)));
+ gdk_window_show (calendar->week_win);
+ gdk_window_set_user_data (calendar->week_win, widget);
+ }
+ else
+ calendar->week_win = NULL;
+}
+
+
+static void
+gtk_calendar_realize (GtkWidget *widget)
+{
+ GtkCalendar *calendar;
+ GdkWindowAttr attributes;
+ gint attributes_mask;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+
+ calendar = GTK_CALENDAR (widget);
+
+ GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
+ gtk_calendar_compute_days (calendar);
+
+ attributes.x = widget->allocation.x;
+ attributes.y = widget->allocation.y;
+ attributes.width = widget->allocation.width;
+ attributes.height = widget->allocation.height;
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.event_mask = (gtk_widget_get_events (widget)
+ | GDK_EXPOSURE_MASK |GDK_KEY_PRESS_MASK);
+ attributes.visual = gtk_widget_get_visual (widget);
+ attributes.colormap = gtk_widget_get_colormap (widget);
+
+ attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+ widget->window = gdk_window_new (widget->parent->window,
+ &attributes, attributes_mask);
+
+ widget->style = gtk_style_attach (widget->style, widget->window);
+
+ /* Header window ------------------------------------- */
+ gtk_calendar_realize_header (widget);
+ /* Day names window --------------------------------- */
+ gtk_calendar_realize_day_names (widget);
+ /* Week number window -------------------------------- */
+ gtk_calendar_realize_week_numbers (widget);
+ /* Main Window -------------------------------------- */
+ attributes.event_mask = (gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK
+ | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
+ | GDK_POINTER_MOTION_MASK | GDK_LEAVE_NOTIFY_MASK);
+
+ if (calendar->display_flags & GTK_CALENDAR_SHOW_WEEK_NUMBERS)
+ attributes.x = calendar->week_width;
+ else
+ attributes.x = 0;
+ attributes.x += (widget->style->klass->xthickness + INNER_BORDER);
+ attributes.y = calendar->header_h + calendar->day_name_h + (widget->style->klass->ythickness + INNER_BORDER);
+ attributes.width = widget->allocation.width - attributes.x - (widget->style->klass->xthickness + INNER_BORDER);
+ attributes.height = calendar->main_h;
+ calendar->main_win = gdk_window_new (widget->window,
+ &attributes, attributes_mask);
+ gdk_window_set_background (calendar->main_win, BACKGROUND_COLOR ( GTK_WIDGET ( calendar)));
+ gdk_window_show (calendar->main_win);
+ gdk_window_set_user_data (calendar->main_win, widget);
+ gdk_window_set_background (widget->window, BACKGROUND_COLOR (widget));
+ gdk_window_show (widget->window);
+ gdk_window_set_user_data (widget->window, widget);
+
+ /* Set widgets gc */
+ calendar->gc = gdk_gc_new (widget->window);
+}
+
+static void
+gtk_calendar_unrealize (GtkWidget *widget)
+{
+ GtkCalendar *calendar;
+ gint i;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+
+ calendar = GTK_CALENDAR (widget);
+
+ if (calendar->header_win)
+ {
+ for (i=0; i<4; i++)
+ if (calendar->arrow_win[i])
+ {
+ gdk_window_set_user_data (calendar->arrow_win[i], NULL);
+ gdk_window_destroy (calendar->arrow_win[i]);
+ calendar->arrow_win[i] = NULL;
+ }
+ gdk_window_set_user_data (calendar->header_win, NULL);
+ gdk_window_destroy (calendar->header_win);
+ calendar->header_win = NULL;
+ }
+
+ if (calendar->week_win)
+ {
+ gdk_window_set_user_data (calendar->week_win, NULL);
+ gdk_window_destroy (calendar->week_win);
+ calendar->week_win = NULL;
+ }
+
+ if (calendar->main_win)
+ {
+ gdk_window_set_user_data (calendar->main_win, NULL);
+ gdk_window_destroy (calendar->main_win);
+ calendar->main_win = NULL;
+ }
+
+ if (GTK_WIDGET_CLASS (parent_class)->unrealize)
+ (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
+}
+
+static void
+gtk_calendar_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ GtkCalendar *calendar;
+ gint height;
+ gint i;
+ gchar buffer[255];
+ gint calendar_margin = CALENDAR_MARGIN;
+ gint header_width, main_width;
+ gint day_font_lbearing;
+ gint day_font_rbearing;
+ gint day_font_width;
+#ifdef GTK_HAVE_FEATURES_1_1_0
+ gint lbearing;
+ gint rbearing;
+ gint ascent;
+ gint descent;
+ gint width;
+#endif /* GTK_HAVE_FEATURES_1_1_0 */
+
+ calendar = GTK_CALENDAR (widget);
+
+ /*
+ * Calculate the requisition width for the widget.
+ */
+
+ /* Header width */
+
+ if (calendar->display_flags & GTK_CALENDAR_SHOW_HEADING)
+ {
+ calendar->max_month_width = 0;
+ for (i = 0; i < 12; i++)
+ calendar->max_month_width = MAX (calendar->max_month_width,
+ gdk_string_measure (HEADER_FONT (widget),
+ default_monthname[i]) + 8);
+
+ calendar->max_year_width = 0;
+ for (i=0; i<10; i++)
+ {
+ sprintf (buffer, "%d%d%d%d", i,i,i,i);
+ calendar->max_year_width = MAX (calendar->max_year_width,
+ gdk_string_measure (HEADER_FONT (widget),
+ buffer) + 8);
+ }
+ }
+ else
+ {
+ calendar->max_month_width = 0;
+ calendar->max_year_width = 0;
+ }
+
+ if (calendar->display_flags & GTK_CALENDAR_NO_MONTH_CHANGE)
+ header_width = (calendar->max_month_width + calendar->max_year_width
+ + 3 * 3);
+ else
+ header_width = (calendar->max_month_width + calendar->max_year_width
+ + 4 * calendar->arrow_width + 3 * 3);
+
+ /* Mainwindow labels width */
+
+ calendar->max_day_char_width = 0;
+ for (i = 0; i < 9; i++)
+ {
+ sprintf (buffer, "%d%d", i, i);
+ calendar->min_day_width = MAX (calendar->max_day_char_width,
+ gdk_string_measure (DAY_FONT (widget),
+ buffer));
+ }
+ /* We add one to max_day_char_width to be able to make the marked day "bold" */
+ calendar->max_day_char_width = calendar->min_day_width / 2 +1;
+
+ if (calendar->display_flags & GTK_CALENDAR_SHOW_DAY_NAMES)
+ for (i = 0; i < 7; i++)
+ {
+#ifdef GTK_HAVE_FEATURES_1_1_0
+ gdk_text_extents (LABEL_FONT (widget),
+ default_abbreviated_dayname[i],
+ strlen(default_abbreviated_dayname[i]),
+ &lbearing,
+ &rbearing,
+ &width,
+ &ascent,
+ &descent);
+ calendar->min_day_width = MAX (calendar->min_day_width, width);
+ calendar->max_label_char_ascent = MAX (calendar->max_label_char_ascent,
+ ascent);
+ calendar->max_label_char_descent = MAX (calendar->max_label_char_descent
+ , descent);
+#else /* not GTK_HAVE_FEATURES_1_1_0 */
+ calendar->min_day_width = MAX (calendar->min_day_width,
+ gdk_string_measure (LABEL_FONT (widget),
+ default_abbreviated_dayname[i]));
+ calendar->max_label_char_ascent = LABEL_FONT (widget)->ascent;
+ calendar->max_label_char_descent = LABEL_FONT (widget)->descent;
+#endif /* not GTK_HAVE_FEATURES_1_1_0 */
+ }
+
+ calendar->max_week_char_width = 0;
+ if (calendar->display_flags & GTK_CALENDAR_SHOW_WEEK_NUMBERS)
+ for (i = 0; i < 9; i++)
+ {
+ sprintf (buffer, "%d%d", i, i);
+ calendar->max_week_char_width = MAX (calendar->max_week_char_width,
+ gdk_string_measure (LABEL_FONT (widget), buffer) / 2);
+ }
+
+ main_width = (7 * (calendar->min_day_width + DAY_XPAD * 2) + (DAY_XSEP * 6) + CALENDAR_MARGIN * 2
+ + (calendar->max_week_char_width
+ ? calendar->max_week_char_width * 2 + DAY_XPAD * 2 + CALENDAR_XSEP * 2
+ : 0));
+
+
+ requisition->width = MAX (header_width, main_width + (widget->style->klass->xthickness + INNER_BORDER) *2);
+
+ /*
+ * Calculate the requisition height for the widget.
+ */
+
+ if (calendar->display_flags & GTK_CALENDAR_SHOW_HEADING)
+ calendar->header_h = (HEADER_FONT (widget)->ascent + HEADER_FONT (widget)->descent
+ + CALENDAR_YSEP * 2);
+ else
+ calendar->header_h = 0;
+
+
+ if (calendar->display_flags & GTK_CALENDAR_SHOW_DAY_NAMES)
+ {
+ calendar->day_name_h = (calendar->max_label_char_ascent
+ + calendar->max_label_char_descent
+ + 2 * DAY_YPAD + calendar_margin);
+ calendar_margin = CALENDAR_YSEP;
+ }
+ else
+ calendar->day_name_h = 0;
+
+#ifdef GTK_HAVE_FEATURES_1_1_0
+ gdk_text_extents (DAY_FONT (widget),
+ "0123456789",
+ 10,
+ &lbearing,
+ &rbearing,
+ &width,
+ &calendar->max_day_char_ascent,
+ &calendar->max_day_char_descent);
+#else /* not GTK_HAVE_FEATURES_1_1_0 */
+ calendar->max_day_char_ascent = DAY_FONT (widget)->ascent;
+ calendar->max_day_char_descent = DAY_FONT (widget)->descent;
+#endif /* not GTK_HAVE_FEATURES_1_1_0 */
+
+ calendar->main_h = (CALENDAR_MARGIN + calendar_margin
+ + 6 * (calendar->max_day_char_ascent
+ + calendar->max_day_char_descent + DAY_YPAD * 2)
+ + DAY_YSEP * 5);
+
+ /*
+ * If we display weeknumbers we need some extra space
+ */
+
+ if (calendar->display_flags & GTK_CALENDAR_SHOW_WEEK_NUMBERS)
+ calendar->main_h = MAX (calendar->main_h,
+ (CALENDAR_MARGIN + calendar_margin
+ + 6 * (calendar->max_day_char_ascent
+ + calendar->max_day_char_descent
+ + DAY_YPAD * 2)
+ + DAY_YSEP * 5));
+
+ height = calendar->header_h + calendar->day_name_h + calendar->main_h;
+
+ requisition->height = height + (widget->style->klass->ythickness + INNER_BORDER) * 2;
+}
+
+static void
+gtk_calendar_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GtkCalendar *calendar;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+ g_return_if_fail (allocation != NULL);
+
+ widget->allocation = *allocation;
+
+ calendar = GTK_CALENDAR (widget);
+
+ if (calendar->display_flags & GTK_CALENDAR_SHOW_WEEK_NUMBERS)
+ {
+ calendar->day_width = (calendar->min_day_width
+ * ((allocation->width - (widget->style->klass->xthickness + INNER_BORDER) * 2
+ - (CALENDAR_MARGIN * 2) - (DAY_XSEP * 7) - CALENDAR_XSEP * 2))
+ / (7 * calendar->min_day_width + calendar->max_week_char_width * 2));
+ calendar->week_width = ((allocation->width - (widget->style->klass->xthickness + INNER_BORDER) * 2
+ - (CALENDAR_MARGIN * 2) - (DAY_XSEP * 7) - CALENDAR_XSEP * 2 )
+ - calendar->day_width * 7 + CALENDAR_MARGIN + CALENDAR_XSEP);
+ }
+ else
+ {
+ calendar->day_width = (allocation->width
+ - (widget->style->klass->xthickness + INNER_BORDER) * 2
+ - (CALENDAR_MARGIN * 2)
+ - (DAY_XSEP * 7))/7;
+ calendar->week_width = 0;
+ }
+
+ if (GTK_WIDGET_REALIZED (widget))
+ {
+ gdk_window_move_resize (widget->window,
+ allocation->x, allocation->y,
+ allocation->width, allocation->height);
+ if (calendar->header_win)
+ gdk_window_move_resize (calendar->header_win,
+ 0, 0,
+ allocation->width, calendar->header_h);
+ if (calendar->arrow_win[ARROW_MONTH_LEFT])
+ gdk_window_move_resize (calendar->arrow_win[ARROW_MONTH_LEFT],
+ 3, 3,
+ calendar->arrow_width,
+ calendar->header_h - 7);
+ if (calendar->arrow_win[ARROW_MONTH_RIGHT])
+ gdk_window_move_resize (calendar->arrow_win[ARROW_MONTH_RIGHT],
+ calendar->arrow_width + calendar->max_month_width, 3,
+ calendar->arrow_width,
+ calendar->header_h - 7);
+ if (calendar->arrow_win[ARROW_YEAR_LEFT])
+ gdk_window_move_resize (calendar->arrow_win[ARROW_YEAR_LEFT],
+ allocation->width
+ - (3 + 2*calendar->arrow_width + calendar->max_year_width),
+ 3,
+ calendar->arrow_width,
+ calendar->header_h - 7);
+ if (calendar->arrow_win[ARROW_YEAR_RIGHT])
+ gdk_window_move_resize (calendar->arrow_win[ARROW_YEAR_RIGHT],
+ allocation->width - 3 - calendar->arrow_width, 3,
+ calendar->arrow_width,
+ calendar->header_h - 7);
+ if (calendar->day_name_win)
+ gdk_window_move_resize (calendar->day_name_win,
+ (widget->style->klass->xthickness + INNER_BORDER),
+ calendar->header_h + (widget->style->klass->ythickness + INNER_BORDER),
+ allocation->width - (widget->style->klass->xthickness + INNER_BORDER) * 2,
+ calendar->day_name_h);
+ if (calendar->week_win)
+ gdk_window_move_resize (calendar->week_win,
+ (widget->style->klass->xthickness + INNER_BORDER),
+ calendar->header_h + calendar->day_name_h
+ + (widget->style->klass->ythickness + INNER_BORDER),
+ calendar->week_width,
+ calendar->main_h);
+ gdk_window_move_resize (calendar->main_win,
+ (calendar->week_width ? calendar->week_width + CALENDAR_XSEP :0)
+ + (widget->style->klass->xthickness + INNER_BORDER),
+ calendar->header_h + calendar->day_name_h
+ + (widget->style->klass->ythickness + INNER_BORDER),
+ allocation->width
+ - (calendar->week_width ? calendar->week_width + CALENDAR_XSEP :0)
+ - (widget->style->klass->xthickness + INNER_BORDER) * 2,
+ calendar->main_h);
+ }
+}
+
+
+
+static void
+gtk_calendar_draw_focus (GtkWidget *widget)
+{
+ gint width, height;
+ gint x, y;
+ GtkCalendar *calendar;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+ calendar = GTK_CALENDAR (widget);
+
+ if (GTK_WIDGET_DRAWABLE (widget))
+ {
+ x = 0;
+ y = 0;
+ gdk_window_get_size (widget->window, &width, &height);
+ gdk_window_clear (widget->window);
+
+ if (calendar->display_flags & GTK_CALENDAR_SHOW_HEADING)
+ {
+ y += calendar->header_h;
+ height -= calendar->header_h;
+ }
+
+ if (GTK_WIDGET_HAS_FOCUS (widget))
+ {
+ x += 1;
+ y += 1;
+ width -= 2;
+ height -= 2;
+ }
+ else
+ {
+ gdk_draw_rectangle (widget->window,
+ widget->style->base_gc[GTK_WIDGET_STATE (widget)],
+ FALSE, x + 2, y + 2, width - 5, height - 5);
+ }
+
+ gtk_draw_shadow (widget->style, widget->window,
+ GTK_STATE_NORMAL, GTK_SHADOW_IN,
+ x, y, width, height);
+
+ if (GTK_WIDGET_HAS_FOCUS (widget))
+ {
+ gdk_window_get_size (widget->window, &width, &height);
+ gdk_draw_rectangle (widget->window, widget->style->fg_gc[GTK_STATE_NORMAL],
+ FALSE, 0, 0, width - 1, height - 1);
+ }
+ }
+}
+
+static gint
+gtk_calendar_expose (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ GtkCalendar *calendar;
+
+ g_return_val_if_fail (widget != NULL, FALSE);
+ g_return_val_if_fail (GTK_IS_CALENDAR (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ calendar = GTK_CALENDAR (widget);
+
+ if (GTK_WIDGET_DRAWABLE (widget))
+ {
+ if (event->window == calendar->main_win)
+ gtk_calendar_paint_main (widget);
+
+ if (event->window == calendar->header_win)
+ gtk_calendar_paint_header (widget);
+
+ if (event->window == calendar->day_name_win)
+ gtk_calendar_paint_day_names (widget);
+
+ if (event->window == calendar->week_win)
+ gtk_calendar_paint_week_numbers (widget);
+ if (event->window == widget->window)
+ gtk_widget_draw_focus (widget);
+ }
+
+ return FALSE;
+}
+
+static void
+gtk_calendar_draw (GtkWidget *widget,
+ GdkRectangle *area)
+{
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+ g_return_if_fail (area != NULL);
+
+ if (GTK_WIDGET_DRAWABLE (widget))
+ gtk_calendar_paint (widget, area);
+
+}
+
+
+static void
+gtk_calendar_paint (GtkWidget *widget,
+ GdkRectangle *area)
+{
+ GtkCalendar *calendar;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (widget->window != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+
+ calendar = GTK_CALENDAR (widget);
+
+ if (calendar->main_win != NULL)
+ gtk_calendar_paint_main (widget);
+
+ if (calendar->header_win != NULL)
+ gtk_calendar_paint_header (widget);
+
+ if (calendar->day_name_win != NULL)
+ gtk_calendar_paint_day_names (widget);
+
+ if (calendar->week_win != NULL)
+ gtk_calendar_paint_week_numbers (widget);
+
+ gtk_widget_draw_focus (widget);
+}
+
+void
+gtk_calendar_paint_header (GtkWidget *widget)
+{
+ GtkCalendar *calendar;
+ GdkGC *gc;
+ char buffer[255];
+ int y, y_arrow;
+ gint cal_width, cal_height;
+ gint str_width;
+ gint max_month_width;
+ gint max_year_width;
+
+ calendar = GTK_CALENDAR (widget);
+ if (calendar->frozen)
+ {
+ calendar->dirty_header = 1;
+ return;
+ }
+ calendar->dirty_header = 0;
+ gc = calendar->gc;
+
+ /* Clear window */
+ gdk_window_clear (calendar->header_win);
+
+ cal_width = widget->allocation.width;
+ cal_height = widget->allocation.height;
+
+ max_month_width = calendar->max_month_width;
+ max_year_width = calendar->max_year_width;
+
+ gdk_gc_set_foreground (gc, BACKGROUND_COLOR (GTK_WIDGET (calendar)));
+ gtk_draw_shadow (widget->style, calendar->header_win,
+ GTK_STATE_NORMAL, GTK_SHADOW_OUT,
+ 0, 0, cal_width, calendar->header_h);
+
+
+ /* Draw title */
+ y = calendar->header_h - (calendar->header_h - HEADER_FONT (widget)->ascent
+ + HEADER_FONT (widget)->descent) / 2;
+ y_arrow = (calendar->header_h - 9) / 2;
+
+ /* Draw year and its arrows */
+ sprintf (buffer, "%d", calendar->year);
+ str_width = gdk_string_measure (HEADER_FONT (widget), buffer);
+ gdk_gc_set_foreground (gc, HEADER_FG_COLOR (GTK_WIDGET (calendar)));
+ if (calendar->display_flags & GTK_CALENDAR_NO_MONTH_CHANGE)
+ gdk_draw_string (calendar->header_win, HEADER_FONT (widget), gc,
+ cal_width - (3 + max_year_width
+ - (max_year_width - str_width)/2),
+ y, buffer);
+ else
+ gdk_draw_string (calendar->header_win, HEADER_FONT (widget), gc,
+ cal_width - (3 + calendar->arrow_width + max_year_width
+ - (max_year_width - str_width)/2),
+ y, buffer);
+
+ /* Draw month */
+ sprintf (buffer, "%s", default_monthname[calendar->month]);
+ str_width = gdk_string_measure (HEADER_FONT (widget), buffer);
+ if (calendar->display_flags & GTK_CALENDAR_NO_MONTH_CHANGE)
+ gdk_draw_string (calendar->header_win, HEADER_FONT (widget), gc,
+ 3 + (max_month_width - str_width) / 2,
+ y, buffer);
+ else
+ gdk_draw_string (calendar->header_win, HEADER_FONT (widget), gc,
+ 3 + calendar->arrow_width + (max_month_width - str_width)/2,
+ y, buffer);
+
+ y += CALENDAR_YSEP + HEADER_FONT (widget)->descent;
+
+ gdk_gc_set_foreground (gc, BACKGROUND_COLOR (GTK_WIDGET (calendar)));
+
+ gtk_calendar_paint_arrow (widget, ARROW_MONTH_LEFT);
+ gtk_calendar_paint_arrow (widget, ARROW_MONTH_RIGHT);
+ gtk_calendar_paint_arrow (widget, ARROW_YEAR_LEFT);
+ gtk_calendar_paint_arrow (widget, ARROW_YEAR_RIGHT);
+
+}
+
+void
+gtk_calendar_paint_day_names (GtkWidget *widget)
+{
+ GtkCalendar *calendar;
+ GdkGC *gc;
+ char buffer[255];
+ int day,i;
+ int day_width, cal_width;
+ gint cal_height;
+ int day_wid_sep;
+ int str_width;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+ calendar = GTK_CALENDAR (widget);
+ gc = calendar->gc;
+
+ /*
+ * Handle freeze/thaw functionality
+ */
+
+ if (calendar->frozen)
+ {
+ calendar->dirty_day_names = 1;
+ return;
+ }
+ calendar->dirty_day_names = 0;
+
+ /*
+ * Clear the window
+ */
+
+ gdk_window_clear (calendar->day_name_win);
+
+ day_width = calendar->day_width;
+ cal_width = widget->allocation.width;
+ cal_height = widget->allocation.height;
+ day_wid_sep = day_width + DAY_XSEP;
+
+ /*
+ * Draw rectangles as inverted background for the labels.
+ */
+
+ gdk_gc_set_foreground (gc, DAY_NAME_COLOR (GTK_WIDGET (calendar)));
+ gdk_gc_set_background (gc, DAY_NAME_COLOR (GTK_WIDGET (calendar)));
+ gdk_draw_rectangle (calendar->day_name_win, gc, TRUE,
+ CALENDAR_MARGIN, CALENDAR_MARGIN,
+ cal_width-CALENDAR_MARGIN * 2,
+ calendar->day_name_h - CALENDAR_MARGIN);
+
+
+ if (calendar->display_flags & GTK_CALENDAR_SHOW_WEEK_NUMBERS)
+ gdk_draw_rectangle (calendar->day_name_win, gc, TRUE,
+ CALENDAR_MARGIN,
+ calendar->day_name_h - CALENDAR_YSEP,
+ calendar->week_width - CALENDAR_YSEP - CALENDAR_MARGIN,
+ CALENDAR_YSEP);
+
+ /*
+ * Write the labels
+ */
+
+ gdk_gc_set_foreground (gc, BACKGROUND_COLOR ( GTK_WIDGET (calendar)));
+ for (i = 0; i < 7; i++)
+ {
+ day=i;
+ if (calendar->display_flags & GTK_CALENDAR_WEEK_START_MONDAY)
+ day= (day+1)%7;
+ sprintf (buffer, "%s", default_abbreviated_dayname[day]);
+ str_width = gdk_string_measure (LABEL_FONT (widget), buffer);
+ gdk_draw_string (calendar->day_name_win, LABEL_FONT (widget),
+ gc,
+ ((calendar->week_width ? CALENDAR_XSEP : CALENDAR_MARGIN)
+ + day_wid_sep * i
+ + calendar->week_width
+ + (day_width - str_width)/2),
+ CALENDAR_MARGIN + DAY_YPAD
+ + calendar->max_label_char_ascent, buffer);
+ }
+}
+
+void
+gtk_calendar_paint_week_numbers (GtkWidget *widget)
+{
+ GtkCalendar *calendar;
+ GdkGC *gc;
+ gint row, week, year;
+ gint x_loc;
+ char buffer[3];
+ gint y_baseline, day_height;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (widget->window != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+ calendar = GTK_CALENDAR (widget);
+ gc = calendar->gc;
+
+ /*
+ * Handle freeze/thaw functionality
+ */
+
+ if (calendar->frozen)
+ {
+ calendar->dirty_week = 1;
+ return;
+ }
+ calendar->dirty_week = 0;
+
+ /*
+ * Clear the window
+ */
+
+ gdk_window_clear (calendar->week_win);
+
+ /*
+ * Draw a rectangle as inverted background for the labels.
+ */
+
+ gdk_gc_set_foreground (gc, DAY_NAME_COLOR (GTK_WIDGET (calendar)));
+ gdk_gc_set_background (gc, DAY_NAME_COLOR (GTK_WIDGET (calendar)));
+ if (calendar->day_name_win)
+ gdk_draw_rectangle (calendar->week_win, gc, TRUE,
+ CALENDAR_MARGIN,
+ 0,
+ calendar->week_width - CALENDAR_MARGIN - CALENDAR_XSEP,
+ calendar->main_h - CALENDAR_MARGIN);
+ else
+ gdk_draw_rectangle (calendar->week_win, gc, TRUE,
+ CALENDAR_MARGIN,
+ CALENDAR_MARGIN,
+ calendar->week_width - CALENDAR_MARGIN - CALENDAR_XSEP,
+ calendar->main_h - 2 * CALENDAR_MARGIN);
+
+ /*
+ * Write the labels
+ */
+
+ gdk_gc_set_foreground (gc, BACKGROUND_COLOR (GTK_WIDGET (calendar)));
+ day_height = row_height (calendar);
+ for (row = 0; row < 6; row++)
+ {
+ year = calendar->year;
+ if (calendar->day[row][6] < 15 && row > 3 && calendar->month == 11)
+ year++;
+ y_baseline = (top_y_for_row (calendar, row)
+ + (day_height + LABEL_FONT (widget)->ascent
+ - LABEL_FONT (widget)->descent)/2);
+ g_return_if_fail (week_of_year (&week, &year,
+ ((calendar->day[row][6] < 15 && row > 3 ? 1 : 0)
+ + calendar->month) % 12 + 1, calendar->day[row][6]));
+ x_loc= (calendar->week_width - (calendar->week_width - CALENDAR_XSEP
+ - DAY_XPAD * 2 - CALENDAR_MARGIN ) / 2
+ - calendar->max_week_char_width
+ - CALENDAR_XSEP - DAY_XPAD);
+
+ if (week > 9)
+ {
+ sprintf (buffer, "%d", week/10);
+ gdk_draw_string (calendar->week_win, LABEL_FONT (widget), gc,
+ x_loc, y_baseline , buffer);
+ }
+
+ sprintf (buffer, "%d", week%10);
+ gdk_draw_string (calendar->week_win, LABEL_FONT (widget), gc,
+ x_loc + calendar->max_week_char_width, y_baseline , buffer);
+ }
+}
+
+static void
+gtk_calendar_paint_day_num (GtkWidget *widget, gint day)
+{
+ GtkCalendar *calendar;
+ gint r, c, row, col;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+
+ calendar = GTK_CALENDAR (widget);
+
+ row = -1;
+ col = -1;
+ for (r = 0; r < 6; r++)
+ for (c = 0; c < 7; c++)
+ if (calendar->day_month[r][c] == MONTH_CURRENT &&
+ calendar->day[r][c] == day)
+ {
+ row = r;
+ col = c;
+ }
+
+ g_return_if_fail (row != -1);
+ g_return_if_fail (col != -1);
+
+ gtk_calendar_paint_day (widget, row, col);
+}
+
+
+static void
+gtk_calendar_paint_day (GtkWidget *widget, gint row, gint col)
+{
+ GtkCalendar *calendar;
+ GdkGC *gc;
+ gchar buffer[255];
+ gint day;
+ gint day_height;
+ gint x_left;
+ gint x_loc;
+ gint y_top;
+ gint y_baseline;
+ gint day_xspace;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+ g_return_if_fail (row < 6);
+ g_return_if_fail (col < 7);
+ calendar = GTK_CALENDAR (widget);
+
+ /*
+ * Handle freeze/thaw functionality
+ */
+
+ if (calendar->frozen)
+ {
+ calendar->dirty_main = 1;
+ return;
+ }
+
+ day_height = row_height (calendar);
+
+ day_xspace = calendar->day_width - calendar->max_day_char_width*2;
+
+ day = calendar->day[row][col];
+
+ x_left = left_x_for_column (calendar, col);
+ x_loc = x_left + calendar->day_width / 2 + calendar->max_day_char_width;
+
+ y_top = top_y_for_row (calendar, row);
+ y_baseline = y_top + (day_height + calendar->max_day_char_ascent)/2;
+
+ gdk_window_clear_area (calendar->main_win, x_left, y_top,
+ calendar->day_width, day_height);
+
+ gc = calendar->gc;
+
+ if (calendar->day_month[row][col] == MONTH_PREV)
+ {
+ gdk_gc_set_foreground (gc, PREV_MONTH_COLOR (GTK_WIDGET (calendar)));
+ }
+ else if (calendar->day_month[row][col] == MONTH_NEXT)
+ {
+ gdk_gc_set_foreground (gc, NEXT_MONTH_COLOR (GTK_WIDGET (calendar)));
+ }
+ else
+ {
+ if (calendar->highlight_row == row && calendar->highlight_col == col)
+ {
+ gdk_gc_set_foreground (gc, HIGHLIGHT_BACK_COLOR (GTK_WIDGET (calendar)));
+ gdk_draw_rectangle (calendar->main_win, gc, TRUE, x_left, y_top,
+ calendar->day_width, day_height);
+ }
+
+ if (calendar->selected_day == day)
+ {
+ if (GTK_WIDGET_HAS_FOCUS (widget))
+ gdk_gc_set_foreground (gc, SELECTION_FOCUS_COLOR (GTK_WIDGET (calendar)));
+ else
+ gdk_gc_set_foreground (gc, SELECTION_NO_FOCUS_COLOR (GTK_WIDGET (calendar)));
+ gdk_draw_rectangle (calendar->main_win, gc, FALSE, x_left, y_top,
+ calendar->day_width-1, day_height-1);
+ }
+
+ if (calendar->marked_date[day-1])
+ gdk_gc_set_foreground (gc, MARKED_COLOR (GTK_WIDGET (calendar)));
+ else
+ gdk_gc_set_foreground (gc, NORMAL_DAY_COLOR (GTK_WIDGET (calendar)));
+ }
+
+ sprintf (buffer, "%d", day);
+ x_loc -= gdk_string_measure (DAY_FONT (widget), buffer);
+ sprintf (buffer, "%d", day);
+ gdk_draw_string (calendar->main_win,
+ DAY_FONT (widget), gc,
+ x_loc, y_baseline, buffer);
+ if (calendar->marked_date[day-1])
+ gdk_draw_string (calendar->main_win,
+ DAY_FONT (widget), gc,
+ x_loc-1, y_baseline, buffer);
+}
+
+
+void
+gtk_calendar_paint_main (GtkWidget *widget)
+{
+ GtkCalendar *calendar;
+ gint row, col;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (widget->window != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+
+ calendar = GTK_CALENDAR (widget);
+ if (calendar->frozen)
+ {
+ calendar->dirty_main = 1;
+ return;
+ }
+ calendar->dirty_main = 0;
+ gdk_window_clear (calendar->main_win);
+
+ // gtk_calendar_compute_days (calendar); /* REMOVE later */
+
+ for (col = 0; col < 7; col++)
+ for (row = 0; row < 6; row++)
+ gtk_calendar_paint_day (widget, row, col);
+}
+
+static void
+gtk_calendar_compute_days (GtkCalendar *calendar)
+{
+ gint month;
+ gint year;
+ gint ndays_in_month;
+ gint ndays_in_prev_month;
+ gint first_day;
+ gint row;
+ gint col;
+ gint day;
+
+ g_return_if_fail (calendar != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (calendar));
+
+ year = calendar->year;
+ month = calendar->month + 1;
+
+ ndays_in_month = month_length[leap (year)][month];
+
+ first_day = day_of_week (year, month, 1);
+
+ if (calendar->display_flags & GTK_CALENDAR_WEEK_START_MONDAY)
+ first_day--;
+ else
+ first_day %= 7;
+
+
+ /* Compute days of previous month */
+ if (month > 1)
+ ndays_in_prev_month = month_length[leap (year)][month-1];
+ else
+ ndays_in_prev_month = month_length[leap (year)][12];
+ day = ndays_in_prev_month - first_day + 1;
+
+ row = 0;
+ if (first_day > 0)
+ {
+ for (col = 0; col < first_day; col++)
+ {
+ calendar->day[row][col] = day;
+ calendar->day_month[row][col] = MONTH_PREV;
+ day++;
+ }
+ }
+
+ /* Compute days of current month */
+ col = first_day;
+ for (day = 1; day <= ndays_in_month; day++)
+ {
+ calendar->day[row][col] = day;
+ calendar->day_month[row][col] = MONTH_CURRENT;
+
+ col++;
+ if (col == 7)
+ {
+ row++;
+ col = 0;
+ }
+ }
+
+ /* Compute days of next month */
+ day = 1;
+ for (; row <= 5; row++)
+ {
+ for (; col <= 6; col++)
+ {
+ calendar->day[row][col] = day;
+ calendar->day_month[row][col] = MONTH_NEXT;
+ day++;
+ }
+ col = 0;
+ }
+}
+
+/* ----------------------------------------------------------------------
+ NAME: gtk_calendar_display_options
+ DESCRIPTION: Set display options (whether to display the
+ heading and the month headings)
+
+ flags is can be an XOR of:
+ GTK_CALENDAR_SHOW_HEADING
+ GTK_CALENDAR_SHOW_DAY_NAMES
+ GTK_CALENDAR_NO_MONTH_CHANGE
+ GTK_CALENDAR_SHOW_WEEK_NUMBERS
+ GTK_CALENDAR_WEEK_START_MONDAY
+ ---------------------------------------------------------------------- */
+
+void gtk_calendar_display_options (GtkCalendar *calendar,
+ GtkCalendarDisplayOptions flags)
+{
+ gint resize = 0;
+ GtkWidget *widget;
+ gint i;
+
+ g_return_if_fail (GTK_IS_CALENDAR (calendar));
+ g_return_if_fail (GTK_IS_WIDGET (calendar));
+ widget = GTK_WIDGET (calendar);
+
+ if (GTK_WIDGET_REALIZED (widget))
+ {
+ if ((flags ^ calendar->display_flags) & GTK_CALENDAR_NO_MONTH_CHANGE)
+ {
+ resize ++;
+ if (! (flags & GTK_CALENDAR_NO_MONTH_CHANGE)
+ && (calendar->header_win))
+ {
+ calendar->display_flags &= ~GTK_CALENDAR_NO_MONTH_CHANGE;
+ gtk_calendar_realize_arrows (widget);
+ }
+ else
+ {
+ for (i=0; i<4; i++)
+ if (calendar->arrow_win[i])
+ {
+ gdk_window_set_user_data (calendar->arrow_win[i], NULL);
+ gdk_window_destroy (calendar->arrow_win[i]);
+ calendar->arrow_win[i] = NULL;
+ }
+ }
+ }
+
+ if ((flags ^ calendar->display_flags) & GTK_CALENDAR_SHOW_HEADING)
+ {
+ resize++;
+
+ if (flags & GTK_CALENDAR_SHOW_HEADING)
+ {
+ calendar->display_flags |= GTK_CALENDAR_SHOW_HEADING;
+ gtk_calendar_realize_header (widget);
+ }
+ else
+ {
+ for (i=0; i<4; i++)
+ if (calendar->arrow_win[i])
+ {
+ gdk_window_set_user_data (calendar->arrow_win[i], NULL);
+ gdk_window_destroy (calendar->arrow_win[i]);
+ calendar->arrow_win[i] = NULL;
+ }
+ gdk_window_set_user_data (calendar->header_win, NULL);
+ gdk_window_destroy (calendar->header_win);
+ calendar->header_win = NULL;
+ }
+ }
+
+
+ if ((flags ^ calendar->display_flags) & GTK_CALENDAR_SHOW_DAY_NAMES)
+ {
+ resize++;
+
+ if (flags & GTK_CALENDAR_SHOW_DAY_NAMES)
+ {
+ calendar->display_flags |= GTK_CALENDAR_SHOW_DAY_NAMES;
+ gtk_calendar_realize_day_names (widget);
+ }
+ else
+ {
+ gdk_window_set_user_data (calendar->day_name_win, NULL);
+ gdk_window_destroy (calendar->day_name_win);
+ calendar->day_name_win = NULL;
+ }
+ }
+
+ if ((flags ^ calendar->display_flags) & GTK_CALENDAR_SHOW_WEEK_NUMBERS)
+ {
+ resize++;
+
+ if (flags & GTK_CALENDAR_SHOW_WEEK_NUMBERS)
+ {
+ calendar->display_flags |= GTK_CALENDAR_SHOW_WEEK_NUMBERS;
+ gtk_calendar_realize_week_numbers (widget);
+ }
+ else
+ {
+ gdk_window_set_user_data (calendar->week_win, NULL);
+ gdk_window_destroy (calendar->week_win);
+ calendar->week_win = NULL;
+ }
+ }
+
+ if ((flags ^ calendar->display_flags) & GTK_CALENDAR_WEEK_START_MONDAY)
+ {
+ if (calendar->display_flags & GTK_CALENDAR_WEEK_START_MONDAY)
+ calendar->display_flags &= ~GTK_CALENDAR_WEEK_START_MONDAY;
+ else
+ calendar->display_flags |= GTK_CALENDAR_WEEK_START_MONDAY;
+
+ gtk_calendar_compute_days (calendar);
+ gtk_calendar_paint_main (GTK_WIDGET (calendar));
+ if (calendar->day_name_win)
+ gtk_calendar_paint_day_names (GTK_WIDGET (calendar));
+ }
+
+ calendar->display_flags = flags;
+ if (resize)
+ gtk_widget_queue_resize (GTK_WIDGET (calendar));
+
+ }
+ else
+ calendar->display_flags = flags;
+
+}
+
+gint
+gtk_calendar_select_month (GtkCalendar *calendar, gint month, gint year)
+{
+ g_return_val_if_fail (calendar != NULL, FALSE);
+ g_return_val_if_fail (month >= 0 && month <= 11, FALSE);
+ g_return_val_if_fail (GTK_IS_CALENDAR (calendar), FALSE);
+
+ calendar->month = month;
+ calendar->year = year;
+
+ gtk_calendar_compute_days (calendar);
+
+ if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (calendar)))
+ gtk_calendar_paint (GTK_WIDGET (calendar), NULL);
+
+ gtk_signal_emit (GTK_OBJECT (calendar),
+ gtk_calendar_signals[MONTH_CHANGED_SIGNAL]);
+ return TRUE;
+}
+
+void
+gtk_calendar_select_day (GtkCalendar *calendar, gint day)
+{
+ g_return_if_fail (calendar != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR(calendar));
+
+ // gtk_calendar_compute_days (calendar);
+
+ /* Deselect the old day */
+ if (calendar->selected_day > 0)
+ {
+ gint selected_day;
+
+ selected_day = calendar->selected_day;
+ calendar->selected_day = 0;
+ if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (calendar)))
+ gtk_calendar_paint_day_num (GTK_WIDGET (calendar), selected_day);
+ }
+
+ calendar->selected_day = day;
+
+ /* Deselect the new day */
+ if (day != 0)
+ {
+ if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (calendar)))
+ gtk_calendar_paint_day_num (GTK_WIDGET (calendar), day);
+ }
+
+ gtk_signal_emit (GTK_OBJECT (calendar),
+ gtk_calendar_signals[DAY_SELECTED_SIGNAL]);
+}
+
+void
+gtk_calendar_clear_marks (GtkCalendar *calendar)
+{
+ gint day;
+
+ g_return_if_fail (calendar != NULL);
+
+ for (day = 0; day < 31; day ++)
+ {
+ calendar->marked_date[day] = FALSE;
+ }
+
+ if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (calendar)))
+ {
+ gtk_calendar_paint_main (GTK_WIDGET (calendar));
+ }
+}
+
+gint
+gtk_calendar_mark_day (GtkCalendar *calendar, gint day)
+{
+ g_return_val_if_fail (calendar != NULL, FALSE);
+
+ if (day>=1 && day <=31)
+ calendar->marked_date[day-1] = TRUE;
+
+ if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (calendar)))
+ {
+ gtk_calendar_paint_main (GTK_WIDGET (calendar));
+ }
+ return TRUE;
+}
+
+gint
+gtk_calendar_unmark_day (GtkCalendar *calendar, gint day)
+{
+ g_return_val_if_fail (calendar != NULL, FALSE);
+
+ if (day>=1 && day <=31)
+ calendar->marked_date[day-1] = FALSE;
+
+ if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (calendar)))
+ {
+ gtk_calendar_paint_main (GTK_WIDGET (calendar));
+ }
+ return TRUE;
+}
+
+void
+gtk_calendar_get_date (GtkCalendar *calendar, gint *year, gint *month, gint *day)
+{
+ g_return_if_fail (calendar != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (calendar));
+
+ if (year)
+ *year = calendar->year;
+
+ if (month)
+ *month = calendar->month;
+
+ if (day)
+ *day = calendar->selected_day;
+}
+
+static gint
+gtk_calendar_button_press (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ GtkCalendar *calendar;
+ gint x, y;
+
+ g_return_val_if_fail (widget != NULL, FALSE);
+ g_return_val_if_fail (GTK_IS_CALENDAR (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ calendar = GTK_CALENDAR (widget);
+
+ x = (gint) (event->x);
+ y = (gint) (event->y);
+
+ if (event->window == calendar->arrow_win[ARROW_MONTH_LEFT])
+ gtk_calendar_set_month_prev (calendar);
+
+ if (event->window == calendar->arrow_win[ARROW_MONTH_RIGHT])
+ gtk_calendar_set_month_next (calendar);
+
+ if (event->window == calendar->arrow_win[ARROW_YEAR_LEFT])
+ gtk_calendar_set_year_prev (calendar);
+
+ if (event->window == calendar->arrow_win[ARROW_YEAR_RIGHT])
+ gtk_calendar_set_year_next (calendar);
+
+ if (event->window == calendar->main_win)
+ gtk_calendar_main_button (widget, event);
+
+ return FALSE;
+}
+
+static gint
+gtk_calendar_motion_notify (GtkWidget *widget,
+ GdkEventMotion *event)
+{
+ GtkCalendar *calendar;
+ gint event_x, event_y;
+ gint row, col;
+ gint old_row, old_col;
+
+ calendar = (GtkCalendar*) widget;
+ event_x = (gint) (event->x);
+ event_y = (gint) (event->y);
+
+ if (event->window == calendar->main_win)
+ {
+
+ row = row_from_y (calendar, event_y);
+ col = column_from_x (calendar, event_x);
+
+ if (row != calendar->highlight_row || calendar->highlight_col != col)
+ {
+ old_row = calendar->highlight_row;
+ old_col = calendar->highlight_col;
+ if (old_row > -1 && old_col > -1)
+ {
+ calendar->highlight_row = -1;
+ calendar->highlight_col = -1;
+ gtk_calendar_paint_day (widget, old_row, old_col);
+ }
+
+ calendar->highlight_row = row;
+ calendar->highlight_col = col;
+
+ if (row > -1 && col > -1)
+ gtk_calendar_paint_day (widget, row, col);
+ }
+ }
+ return TRUE;
+}
+
+static gint
+gtk_calendar_enter_notify (GtkWidget *widget,
+ GdkEventCrossing *event)
+{
+ GtkCalendar *calendar;
+
+ g_return_val_if_fail (widget != NULL, FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ calendar = GTK_CALENDAR (widget);
+
+ if (event->window == calendar->arrow_win[ARROW_MONTH_LEFT])
+ {
+ calendar->arrow_state[ARROW_MONTH_LEFT] = GTK_STATE_PRELIGHT;
+ gtk_calendar_paint_arrow (widget, ARROW_MONTH_LEFT);
+ }
+
+ if (event->window == calendar->arrow_win[ARROW_MONTH_RIGHT])
+ {
+ calendar->arrow_state[ARROW_MONTH_RIGHT] = GTK_STATE_PRELIGHT;
+ gtk_calendar_paint_arrow (widget, ARROW_MONTH_RIGHT);
+ }
+
+ if (event->window == calendar->arrow_win[ARROW_YEAR_LEFT])
+ {
+ calendar->arrow_state[ARROW_YEAR_LEFT] = GTK_STATE_PRELIGHT;
+ gtk_calendar_paint_arrow (widget, ARROW_YEAR_LEFT);
+ }
+
+ if (event->window == calendar->arrow_win[ARROW_YEAR_RIGHT])
+ {
+ calendar->arrow_state[ARROW_YEAR_RIGHT] = GTK_STATE_PRELIGHT;
+ gtk_calendar_paint_arrow (widget, ARROW_YEAR_RIGHT);
+ }
+
+ return TRUE;
+}
+
+static gint
+gtk_calendar_leave_notify (GtkWidget *widget,
+ GdkEventCrossing *event)
+{
+ GtkCalendar *calendar;
+ gint row;
+ gint col;
+
+ g_return_val_if_fail (widget != NULL, FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ calendar = GTK_CALENDAR (widget);
+
+ if (event->window == calendar->main_win)
+ {
+ row = calendar->highlight_row;
+ col = calendar->highlight_col;
+ calendar->highlight_row = -1;
+ calendar->highlight_col = -1;
+ if (row > -1 && col > -1)
+ gtk_calendar_paint_day (widget, row, col);
+ }
+
+ if (event->window == calendar->arrow_win[ARROW_MONTH_LEFT])
+ {
+ calendar->arrow_state[ARROW_MONTH_LEFT] = GTK_STATE_NORMAL;
+ gtk_calendar_paint_arrow (widget, ARROW_MONTH_LEFT);
+ }
+
+ if (event->window == calendar->arrow_win[ARROW_MONTH_RIGHT])
+ {
+ calendar->arrow_state[ARROW_MONTH_RIGHT] = GTK_STATE_NORMAL;
+ gtk_calendar_paint_arrow (widget, ARROW_MONTH_RIGHT);
+ }
+
+ if (event->window == calendar->arrow_win[ARROW_YEAR_LEFT])
+ {
+ calendar->arrow_state[ARROW_YEAR_LEFT] = GTK_STATE_NORMAL;
+ gtk_calendar_paint_arrow (widget, ARROW_YEAR_LEFT);
+ }
+
+ if (event->window == calendar->arrow_win[ARROW_YEAR_RIGHT])
+ {
+ calendar->arrow_state[ARROW_YEAR_RIGHT] = GTK_STATE_NORMAL;
+ gtk_calendar_paint_arrow (widget, ARROW_YEAR_RIGHT);
+ }
+
+ return TRUE;
+}
+
+static void
+gtk_calendar_paint_arrow (GtkWidget *widget, guint arrow)
+{
+ GdkWindow *window;
+ GdkGC *gc;
+ GtkCalendar *calendar;
+ gint state;
+ gint width, height;
+
+ g_return_if_fail (widget != NULL);
+
+ calendar = GTK_CALENDAR (widget);
+ if (calendar->frozen)
+ {
+ calendar->dirty_header = 1;
+ return;
+ }
+ window = calendar->arrow_win[arrow];
+ if (window)
+ {
+ state = calendar->arrow_state[arrow];
+ gc = calendar->gc;
+
+ gdk_window_clear (window);
+ gdk_window_set_background (window, &(widget)->style->bg[state]);
+ gdk_window_get_size (window, &width, &height);
+ gdk_window_clear_area (window,
+ 0,0,
+ width,height);
+
+ gdk_gc_set_foreground (gc, & (widget)->style->fg[state]);
+
+ if (arrow == ARROW_MONTH_LEFT || arrow == ARROW_YEAR_LEFT)
+ draw_arrow_left (window, gc, width/2 - 3, height/2 - 4, 8);
+ else
+ draw_arrow_right (window, gc, width/2 - 2, height/2 - 4, 8);
+ return;
+ }
+}
+
+void
+gtk_calendar_freeze (GtkCalendar *calendar)
+{
+ g_return_if_fail (GTK_IS_CALENDAR (calendar));
+ calendar->frozen++;
+}
+
+void
+gtk_calendar_thaw (GtkCalendar *calendar)
+{
+ g_return_if_fail (GTK_IS_CALENDAR (calendar));
+ if (calendar->frozen)
+ {
+ calendar->frozen--;
+ if (calendar->frozen)
+ return;
+
+ if (calendar->dirty_header)
+ if (GTK_WIDGET_DRAWABLE (calendar))
+ gtk_calendar_paint_header (GTK_WIDGET (calendar));
+
+ if (calendar->dirty_day_names)
+ if (GTK_WIDGET_DRAWABLE (calendar))
+ gtk_calendar_paint_day_names (GTK_WIDGET (calendar));
+
+ if (calendar->dirty_week)
+ if (GTK_WIDGET_DRAWABLE (calendar))
+ gtk_calendar_paint_week_numbers (GTK_WIDGET (calendar));
+
+ if (calendar->dirty_main)
+ if (GTK_WIDGET_DRAWABLE (calendar))
+ gtk_calendar_paint_main (GTK_WIDGET (calendar));
+ }
+}
+
+static void
+gtk_calendar_set_background(GtkWidget *widget)
+{
+ GtkCalendar *calendar;
+ gint i;
+
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+ if (GTK_WIDGET_REALIZED (widget))
+ {
+ calendar = GTK_CALENDAR (widget);
+ for (i=0; i<4; i++)
+ if (calendar->arrow_win[i])
+ gdk_window_set_background (calendar->arrow_win[i], HEADER_BG_COLOR (widget));
+ if (calendar->header_win)
+ gdk_window_set_background (calendar->header_win, HEADER_BG_COLOR (widget));
+ if (calendar->day_name_win)
+ gdk_window_set_background (calendar->day_name_win, BACKGROUND_COLOR (widget));
+ if (calendar->week_win)
+ gdk_window_set_background (calendar->week_win, BACKGROUND_COLOR (widget));
+ if (calendar->main_win)
+ gdk_window_set_background (calendar->main_win, BACKGROUND_COLOR (widget));
+ if (widget->window)
+ gdk_window_set_background (widget->window, BACKGROUND_COLOR (widget));
+ }
+ if (GTK_WIDGET_DRAWABLE (widget))
+ gdk_window_clear (widget->window);
+}
+
+static void
+gtk_calendar_style_set (GtkWidget *widget,
+ GtkStyle *previous_style)
+{
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+
+ if (previous_style && GTK_WIDGET_REALIZED (widget))
+ gtk_calendar_set_background(widget);
+}
+
+static void
+gtk_calendar_state_changed (GtkWidget *widget,
+ GtkStateType previous_state)
+{
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CALENDAR (widget));
+
+ gtk_calendar_set_background(widget);
+}
+
+static gint gtk_calendar_focus_in (GtkWidget *widget,
+ GdkEventFocus *event)
+{
+ GtkCalendar *calendar;
+
+ g_return_val_if_fail (widget != NULL, FALSE);
+ g_return_val_if_fail (GTK_IS_CALENDAR (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ calendar = GTK_CALENDAR (widget);
+
+ GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
+ gtk_widget_draw_focus (widget);
+ gtk_calendar_paint_day_num (widget, calendar->selected_day);
+#undef USE_XIM
+#ifdef USE_XIM
+ if (GTK_EDITABLE(widget)->ic)
+ gdk_im_begin (GTK_EDITABLE(widget)->ic, GTK_ENTRY(widget)->text_area);
+#endif
+
+ return FALSE;
+
+}
+
+static gint gtk_calendar_focus_out (GtkWidget *widget,
+ GdkEventFocus *event)
+{
+ GtkCalendar *calendar;
+
+ g_return_val_if_fail (widget != NULL, FALSE);
+ g_return_val_if_fail (GTK_IS_CALENDAR (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ calendar = GTK_CALENDAR (widget);
+
+ GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
+ gtk_widget_draw_focus (widget);
+ gtk_calendar_paint_day_num (widget, calendar->selected_day);
+#ifdef USE_XIM
+ gdk_im_end ();
+#endif
+
+ return FALSE;
+}
+
+static gint
+gtk_calendar_key_press (GtkWidget *widget,
+ GdkEventKey *event)
+{
+ GtkCalendar *calendar;
+ gint return_val;
+
+ g_return_val_if_fail (widget != NULL, FALSE);
+ g_return_val_if_fail (GTK_IS_CALENDAR (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ calendar = GTK_CALENDAR (widget);
+ return_val = FALSE;
+
+
+ switch (event->keyval)
+ {
+ case GDK_Left:
+ return_val = TRUE;
+ if (event->state & GDK_CONTROL_MASK)
+ gtk_calendar_set_month_prev (calendar);
+ else
+ {
+ if (calendar->selected_day == 1)
+ {
+ if (calendar->display_flags & GTK_CALENDAR_NO_MONTH_CHANGE)
+ {
+ gtk_calendar_select_day (calendar, month_length[leap (calendar->year)][calendar->month + 1]);
+ }
+ else
+ {
+ calendar->selected_day = -1;
+ gtk_calendar_set_month_prev (calendar);
+ }
+ }
+ else
+ gtk_calendar_select_day (calendar, calendar->selected_day - 1);
+ }
+ break;
+ case GDK_Right:
+ return_val = TRUE;
+ if (event->state & GDK_CONTROL_MASK)
+ gtk_calendar_set_month_next (calendar);
+ else
+ {
+ if (calendar->selected_day == month_length[leap (calendar->year)][calendar->month + 1])
+ {
+ if (calendar->display_flags & GTK_CALENDAR_NO_MONTH_CHANGE)
+ {
+ gtk_calendar_select_day (calendar, 1);
+ }
+ else
+ {
+ calendar->selected_day = 1;
+ gtk_calendar_set_month_next (calendar);
+ }
+ }
+ else
+ gtk_calendar_select_day (calendar, calendar->selected_day + 1);
+ }
+ break;
+ case GDK_Up:
+ return_val = TRUE;
+ if (event->state & GDK_CONTROL_MASK)
+ gtk_calendar_set_year_prev (calendar);
+ else
+ {
+ gint overlap;
+ overlap = calendar->selected_day - 7;
+ if (overlap < 1)
+ {
+ if (calendar->display_flags & GTK_CALENDAR_NO_MONTH_CHANGE)
+ {
+ gint month_len;
+ month_len = month_length[leap (calendar->year)][calendar->month + 1];
+ gtk_calendar_select_day (calendar, month_len - (month_len - (month_len / 7) * 7 - overlap)%7);
+ }
+ else
+ {
+ calendar->selected_day = overlap - 1;
+ gtk_calendar_set_month_prev (calendar);
+ }
+ }
+ else
+ gtk_calendar_select_day (calendar, calendar->selected_day - 7);
+ }
+ break;
+ case GDK_Down:
+ return_val = TRUE;
+ if (event->state & GDK_CONTROL_MASK)
+ gtk_calendar_set_year_next (calendar);
+ else
+ {
+ gint month_len;
+ gint overlap;
+ month_len = month_length[leap (calendar->year)][calendar->month + 1];
+ overlap = (calendar->selected_day + 7 - month_len);
+ if (overlap > 0)
+ {
+ if (calendar->display_flags & GTK_CALENDAR_NO_MONTH_CHANGE)
+ {
+ gtk_calendar_select_day (calendar, (month_len - 1 - (month_len / 7) * 7
+ + overlap) % 7 + 1);
+ }
+ else
+ {
+ calendar->selected_day = overlap;
+ gtk_calendar_set_month_next (calendar);
+ }
+ }
+ else
+ gtk_calendar_select_day (calendar, calendar->selected_day + 7);
+ }
+ break;
+ }
+ return return_val;
+}
projects / gtk4.git / commitdiff