/* 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 #include #include #include #include #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->bg[GTK_STATE_SELECTED]) #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 }; 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 }; static GtkWidgetClass *parent_class = NULL; typedef struct _GtkCalendarPrivateData GtkCalendarPrivateData; struct _GtkCalendarPrivateData { GdkWindow *header_win; GdkWindow *day_name_win; GdkWindow *main_win; GdkWindow *week_win; GdkWindow *arrow_win[4]; guint header_h, day_name_h, main_h; guint arrow_state[4]; guint arrow_width; guint max_month_width; guint max_year_width; guint day_width; guint week_width; guint min_day_width; guint max_day_char_width; guint max_day_char_ascent; guint max_day_char_descent; guint max_label_char_ascent; guint max_label_char_descent; guint 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; }; #define GTK_CALENDAR_PRIVATE_DATA(widget) (((GtkCalendarPrivateData*)(GTK_CALENDAR (widget)->private_data))) 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); static void gtk_calendar_paint_header (GtkWidget *widget); static void gtk_calendar_paint_day_names (GtkWidget *widget); static void gtk_calendar_paint_week_numbers (GtkWidget *widget); static 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]; GtkType gtk_calendar_get_type (void) { static GtkType 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_TYPE_WIDGET, &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_TYPE_WIDGET); 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, 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, 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, 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, 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, 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, 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, next_year), gtk_signal_default_marshaller, GTK_TYPE_NONE, 0); gtk_object_class_add_signals (object_class, gtk_calendar_signals, LAST_SIGNAL); class->month_changed = NULL; class->day_selected = NULL; class->day_selected_double_click = NULL; class->prev_month = NULL; class->next_month = NULL; class->prev_year = NULL; class->next_year = NULL; } static void gtk_calendar_init (GtkCalendar *calendar) { time_t secs; struct tm *tm; gint i; char buffer[255]; time_t tmp_time; GtkWidget *widget; GtkCalendarPrivateData *private_data; widget = GTK_WIDGET (calendar); GTK_WIDGET_SET_FLAGS (widget, GTK_CAN_FOCUS); calendar->private_data = (gpointer) malloc (sizeof (GtkCalendarPrivateData)); private_data = GTK_CALENDAR_PRIVATE_DATA (calendar); 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->display_flags = ( GTK_CALENDAR_SHOW_HEADING | GTK_CALENDAR_SHOW_DAY_NAMES ); calendar->highlight_row = -1; calendar->highlight_col = -1; calendar->focus_row = -1; calendar->focus_col = -1; calendar->xor_gc = NULL; private_data->max_year_width = 0; private_data->max_month_width = 0; private_data->max_day_char_width = 0; private_data->max_week_char_width = 0; private_data->max_day_char_ascent = 0; private_data->max_day_char_descent = 0; private_data->max_label_char_ascent = 0; private_data->max_label_char_descent = 0; private_data->arrow_width = 10; private_data->dirty_header = 0; private_data->dirty_day_names = 0; private_data->dirty_week = 0; private_data->dirty_main = 0; private_data->frozen = 0; } GtkWidget* gtk_calendar_new (void) { return GTK_WIDGET (gtk_type_new (GTK_TYPE_CALENDAR)); } /* 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 + GTK_CALENDAR_PRIVATE_DATA (calendar)->day_width; if (event_x > x_left && event_x < x_right) { column = c; break; } } return column; } static gint row_height (GtkCalendar *calendar) { return (GTK_CALENDAR_PRIVATE_DATA (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 = GTK_CALENDAR_PRIVATE_DATA (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 (GTK_CALENDAR_PRIVATE_DATA (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; gint old_focus_row, old_focus_col; 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); old_focus_row = calendar->focus_row; old_focus_col = calendar->focus_col; calendar->focus_row = row; calendar->focus_col = col; gtk_calendar_paint_day (widget, old_focus_row, old_focus_col); 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; GtkCalendarPrivateData *private_data; 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); private_data = GTK_CALENDAR_PRIVATE_DATA (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 = private_data->arrow_width; attributes.height = private_data->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 = (private_data->arrow_width + private_data->max_month_width); break; case ARROW_YEAR_LEFT: attributes.x = (widget->allocation.width - 4 - (3 + 2*private_data->arrow_width + private_data->max_year_width)); break; case ARROW_YEAR_RIGHT: attributes.x = (widget->allocation.width - 4 - 3 - private_data->arrow_width); break; } private_data->arrow_win[i] = gdk_window_new (private_data->header_win, &attributes, attributes_mask); private_data->arrow_state[i] = GTK_STATE_NORMAL; gdk_window_set_background (private_data->arrow_win[i], HEADER_BG_COLOR (GTK_WIDGET (calendar))); gdk_window_show (private_data->arrow_win[i]); gdk_window_set_user_data (private_data->arrow_win[i], widget); } } else { for (i = 0; i < 4; i++) private_data->arrow_win[i] = NULL; } } static void gtk_calendar_realize_header (GtkWidget *widget) { GtkCalendar *calendar; GtkCalendarPrivateData *private_data; GdkWindowAttr attributes; gint attributes_mask; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CALENDAR (widget)); calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (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 = 2; attributes.y = 2; attributes.width = widget->allocation.width - 4; attributes.height = private_data->header_h; private_data->header_win = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_background (private_data->header_win, HEADER_BG_COLOR (GTK_WIDGET (calendar))); gdk_window_show (private_data->header_win); gdk_window_set_user_data (private_data->header_win, widget); } else { private_data->header_win = NULL; } gtk_calendar_realize_arrows (widget); } static void gtk_calendar_realize_day_names (GtkWidget *widget) { GtkCalendar *calendar; GtkCalendarPrivateData *private_data; GdkWindowAttr attributes; gint attributes_mask; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CALENDAR (widget)); calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (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 = private_data->header_h + (widget->style->klass->ythickness + INNER_BORDER); attributes.width = (widget->allocation.width - (widget->style->klass->xthickness + INNER_BORDER) * 2); attributes.height = private_data->day_name_h; private_data->day_name_win = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_background (private_data->day_name_win, BACKGROUND_COLOR ( GTK_WIDGET ( calendar))); gdk_window_show (private_data->day_name_win); gdk_window_set_user_data (private_data->day_name_win, widget); } else { private_data->day_name_win = NULL; } } static void gtk_calendar_realize_week_numbers (GtkWidget *widget) { GtkCalendar *calendar; GtkCalendarPrivateData *private_data; GdkWindowAttr attributes; gint attributes_mask; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CALENDAR (widget)); calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (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 = (private_data->header_h + private_data->day_name_h + (widget->style->klass->ythickness + INNER_BORDER)); attributes.width = private_data->week_width; attributes.height = private_data->main_h; private_data->week_win = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_background (private_data->week_win, BACKGROUND_COLOR (GTK_WIDGET (calendar))); gdk_window_show (private_data->week_win); gdk_window_set_user_data (private_data->week_win, widget); } else { private_data->week_win = NULL; } } static void gtk_calendar_realize (GtkWidget *widget) { GtkCalendar *calendar; GtkCalendarPrivateData *private_data; GdkWindowAttr attributes; gint attributes_mask; GdkGCValues values; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CALENDAR (widget)); calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (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 = private_data->week_width; else attributes.x = 0; attributes.x += (widget->style->klass->xthickness + INNER_BORDER); attributes.y = (private_data->header_h + private_data->day_name_h + (widget->style->klass->ythickness + INNER_BORDER)); attributes.width = (widget->allocation.width - attributes.x - (widget->style->klass->xthickness + INNER_BORDER)); attributes.height = private_data->main_h; private_data->main_win = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_background (private_data->main_win, BACKGROUND_COLOR ( GTK_WIDGET ( calendar))); gdk_window_show (private_data->main_win); gdk_window_set_user_data (private_data->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); values.foreground = widget->style->white; values.function = GDK_XOR; calendar->xor_gc = gdk_gc_new_with_values (widget->window, &values, GDK_GC_FOREGROUND | GDK_GC_FUNCTION); } static void gtk_calendar_unrealize (GtkWidget *widget) { GtkCalendar *calendar; GtkCalendarPrivateData *private_data; gint i; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CALENDAR (widget)); calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); if (private_data->header_win) { for (i = 0; i < 4; i++) { if (private_data->arrow_win[i]) { gdk_window_set_user_data (private_data->arrow_win[i], NULL); gdk_window_destroy (private_data->arrow_win[i]); private_data->arrow_win[i] = NULL; } } gdk_window_set_user_data (private_data->header_win, NULL); gdk_window_destroy (private_data->header_win); private_data->header_win = NULL; } if (private_data->week_win) { gdk_window_set_user_data (private_data->week_win, NULL); gdk_window_destroy (private_data->week_win); private_data->week_win = NULL; } if (private_data->main_win) { gdk_window_set_user_data (private_data->main_win, NULL); gdk_window_destroy (private_data->main_win); private_data->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; GtkCalendarPrivateData *private_data; gint height; gint i; gchar buffer[255]; gint calendar_margin = CALENDAR_MARGIN; gint header_width, main_width; gint lbearing; gint rbearing; gint ascent; gint descent; gint width; calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); /* * Calculate the requisition width for the widget. */ /* Header width */ if (calendar->display_flags & GTK_CALENDAR_SHOW_HEADING) { private_data->max_month_width = 0; for (i = 0; i < 12; i++) { private_data->max_month_width = MAX (private_data->max_month_width, gdk_string_measure (HEADER_FONT (widget), default_monthname[i]) + 8); } private_data->max_year_width = 0; for (i=0; i<10; i++) { sprintf (buffer, "%d%d%d%d", i,i,i,i); private_data->max_year_width = MAX (private_data->max_year_width, gdk_string_measure (HEADER_FONT (widget), buffer) + 8); } } else { private_data->max_month_width = 0; private_data->max_year_width = 0; } if (calendar->display_flags & GTK_CALENDAR_NO_MONTH_CHANGE) header_width = (private_data->max_month_width + private_data->max_year_width + 3 * 3); else header_width = (private_data->max_month_width + private_data->max_year_width + 4 * private_data->arrow_width + 3 * 3); /* Mainwindow labels width */ private_data->max_day_char_width = 0; for (i = 0; i < 9; i++) { sprintf (buffer, "%d%d", i, i); private_data->min_day_width = MAX (private_data->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" */ private_data->max_day_char_width = private_data->min_day_width / 2 +1; if (calendar->display_flags & GTK_CALENDAR_SHOW_DAY_NAMES) for (i = 0; i < 7; i++) { gdk_text_extents (LABEL_FONT (widget), default_abbreviated_dayname[i], strlen(default_abbreviated_dayname[i]), &lbearing, &rbearing, &width, &ascent, &descent); private_data->min_day_width = MAX (private_data->min_day_width, width); private_data->max_label_char_ascent = MAX (private_data->max_label_char_ascent, ascent); private_data->max_label_char_descent = MAX (private_data->max_label_char_descent, descent); } private_data->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); private_data->max_week_char_width = MAX (private_data->max_week_char_width, gdk_string_measure (LABEL_FONT (widget), buffer) / 2); } main_width = (7 * (private_data->min_day_width + DAY_XPAD * 2) + (DAY_XSEP * 6) + CALENDAR_MARGIN * 2 + (private_data->max_week_char_width ? private_data->max_week_char_width * 2 + DAY_XPAD * 2 + CALENDAR_XSEP * 2 : 0)); requisition->width = MAX (header_width+4, main_width + (widget->style->klass->xthickness + INNER_BORDER) *2); /* * Calculate the requisition height for the widget. */ if (calendar->display_flags & GTK_CALENDAR_SHOW_HEADING) { private_data->header_h = (HEADER_FONT (widget)->ascent + HEADER_FONT (widget)->descent + CALENDAR_YSEP * 2); } else { private_data->header_h = 0; } if (calendar->display_flags & GTK_CALENDAR_SHOW_DAY_NAMES) { private_data->day_name_h = (private_data->max_label_char_ascent + private_data->max_label_char_descent + 2 * DAY_YPAD + calendar_margin); calendar_margin = CALENDAR_YSEP; } else { private_data->day_name_h = 0; } gdk_text_extents (DAY_FONT (widget), "0123456789", 10, &lbearing, &rbearing, &width, &private_data->max_day_char_ascent, &private_data->max_day_char_descent); private_data->main_h = (CALENDAR_MARGIN + calendar_margin + 6 * (private_data->max_day_char_ascent + private_data->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) { private_data->main_h = MAX (private_data->main_h, (CALENDAR_MARGIN + calendar_margin + 6 * (private_data->max_day_char_ascent + private_data->max_day_char_descent + DAY_YPAD * 2) + DAY_YSEP * 5)); } height = (private_data->header_h + private_data->day_name_h + private_data->main_h); requisition->height = height + (widget->style->klass->ythickness + INNER_BORDER) * 2; } static void gtk_calendar_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GtkCalendar *calendar; GtkCalendarPrivateData *private_data; 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); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); if (calendar->display_flags & GTK_CALENDAR_SHOW_WEEK_NUMBERS) { private_data->day_width = (private_data->min_day_width * ((allocation->width - (widget->style->klass->xthickness + INNER_BORDER) * 2 - (CALENDAR_MARGIN * 2) - (DAY_XSEP * 7) - CALENDAR_XSEP * 2)) / (7 * private_data->min_day_width + private_data->max_week_char_width * 2)); private_data->week_width = ((allocation->width - (widget->style->klass->xthickness + INNER_BORDER) * 2 - (CALENDAR_MARGIN * 2) - (DAY_XSEP * 7) - CALENDAR_XSEP * 2 ) - private_data->day_width * 7 + CALENDAR_MARGIN + CALENDAR_XSEP); } else { private_data->day_width = (allocation->width - (widget->style->klass->xthickness + INNER_BORDER) * 2 - (CALENDAR_MARGIN * 2) - (DAY_XSEP * 7))/7; private_data->week_width = 0; } if (GTK_WIDGET_REALIZED (widget)) { gdk_window_move_resize (widget->window, allocation->x, allocation->y, allocation->width, allocation->height); if (private_data->header_win) gdk_window_move_resize (private_data->header_win, 2, 2, allocation->width-4, private_data->header_h); if (private_data->arrow_win[ARROW_MONTH_LEFT]) gdk_window_move_resize (private_data->arrow_win[ARROW_MONTH_LEFT], 3, 3, private_data->arrow_width, private_data->header_h - 7); if (private_data->arrow_win[ARROW_MONTH_RIGHT]) gdk_window_move_resize (private_data->arrow_win[ARROW_MONTH_RIGHT], (private_data->arrow_width + private_data->max_month_width), 3, private_data->arrow_width, private_data->header_h - 7); if (private_data->arrow_win[ARROW_YEAR_LEFT]) gdk_window_move_resize (private_data->arrow_win[ARROW_YEAR_LEFT], (allocation->width - 4 - (3 + 2*private_data->arrow_width + private_data->max_year_width)), 3, private_data->arrow_width, private_data->header_h - 7); if (private_data->arrow_win[ARROW_YEAR_RIGHT]) gdk_window_move_resize (private_data->arrow_win[ARROW_YEAR_RIGHT], (allocation->width - 4 - 3 - private_data->arrow_width), 3, private_data->arrow_width, private_data->header_h - 7); if (private_data->day_name_win) gdk_window_move_resize (private_data->day_name_win, widget->style->klass->xthickness + INNER_BORDER, private_data->header_h + (widget->style->klass->ythickness + INNER_BORDER), allocation->width - (widget->style->klass->xthickness + INNER_BORDER) * 2, private_data->day_name_h); if (private_data->week_win) gdk_window_move_resize (private_data->week_win, (widget->style->klass->xthickness + INNER_BORDER), private_data->header_h + private_data->day_name_h + (widget->style->klass->ythickness + INNER_BORDER), private_data->week_width, private_data->main_h); gdk_window_move_resize (private_data->main_win, (private_data->week_width ? private_data->week_width + CALENDAR_XSEP :0) + (widget->style->klass->xthickness + INNER_BORDER), private_data->header_h + private_data->day_name_h + (widget->style->klass->ythickness + INNER_BORDER), allocation->width - (private_data->week_width ? private_data->week_width + CALENDAR_XSEP :0) - (widget->style->klass->xthickness + INNER_BORDER) * 2, private_data->main_h); } } static void gtk_calendar_draw_focus (GtkWidget *widget) { GtkCalendar *calendar; GtkCalendarPrivateData *private_data; gint width, height; gint x, y; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CALENDAR (widget)); calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); if (GTK_WIDGET_DRAWABLE (widget)) { x = 0; y = 0; gdk_window_get_size (widget->window, &width, &height); gdk_window_clear (widget->window); 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); } } static gint gtk_calendar_expose (GtkWidget *widget, GdkEventExpose *event) { GtkCalendar *calendar; GtkCalendarPrivateData *private_data; 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); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); if (GTK_WIDGET_DRAWABLE (widget)) { if (event->window == private_data->main_win) gtk_calendar_paint_main (widget); if (event->window == private_data->header_win) gtk_calendar_paint_header (widget); if (event->window == private_data->day_name_win) gtk_calendar_paint_day_names (widget); if (event->window == private_data->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; GtkCalendarPrivateData *private_data; 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); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); if (private_data->main_win != NULL) gtk_calendar_paint_main (widget); if (private_data->header_win != NULL) gtk_calendar_paint_header (widget); if (private_data->day_name_win != NULL) gtk_calendar_paint_day_names (widget); if (private_data->week_win != NULL) gtk_calendar_paint_week_numbers (widget); gtk_widget_draw_focus (widget); } static void gtk_calendar_paint_header (GtkWidget *widget) { GtkCalendar *calendar; GdkGC *gc; char buffer[255]; int y, y_arrow; gint header_width, cal_height; gint str_width; gint max_month_width; gint max_year_width; GtkCalendarPrivateData *private_data; calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); if (private_data->frozen) { private_data->dirty_header = 1; return; } private_data->dirty_header = 0; gc = calendar->gc; /* Clear window */ gdk_window_clear (private_data->header_win); header_width = widget->allocation.width - 4; cal_height = widget->allocation.height; max_month_width = private_data->max_month_width; max_year_width = private_data->max_year_width; gdk_gc_set_foreground (gc, BACKGROUND_COLOR (GTK_WIDGET (calendar))); gtk_draw_shadow (widget->style, private_data->header_win, GTK_STATE_NORMAL, GTK_SHADOW_OUT, 0, 0, header_width, private_data->header_h); /* Draw title */ y = private_data->header_h - (private_data->header_h - HEADER_FONT (widget)->ascent + HEADER_FONT (widget)->descent) / 2; y_arrow = (private_data->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 (private_data->header_win, HEADER_FONT (widget), gc, header_width - (3 + max_year_width - (max_year_width - str_width)/2), y, buffer); else gdk_draw_string (private_data->header_win, HEADER_FONT (widget), gc, header_width - (3 + private_data->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 (private_data->header_win, HEADER_FONT (widget), gc, 3 + (max_month_width - str_width) / 2, y, buffer); else gdk_draw_string (private_data->header_win, HEADER_FONT (widget), gc, 3 + private_data->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); } static 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; GtkCalendarPrivateData *private_data; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CALENDAR (widget)); calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); gc = calendar->gc; /* * Handle freeze/thaw functionality */ if (private_data->frozen) { private_data->dirty_day_names = 1; return; } private_data->dirty_day_names = 0; /* * Clear the window */ gdk_window_clear (private_data->day_name_win); day_width = private_data->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, &widget->style->bg[GTK_STATE_SELECTED]); gdk_draw_rectangle (private_data->day_name_win, gc, TRUE, CALENDAR_MARGIN, CALENDAR_MARGIN, cal_width-CALENDAR_MARGIN * 2, private_data->day_name_h - CALENDAR_MARGIN); if (calendar->display_flags & GTK_CALENDAR_SHOW_WEEK_NUMBERS) gdk_draw_rectangle (private_data->day_name_win, gc, TRUE, CALENDAR_MARGIN, private_data->day_name_h - CALENDAR_YSEP, private_data->week_width - CALENDAR_YSEP - CALENDAR_MARGIN, CALENDAR_YSEP); /* * Write the labels */ gdk_gc_set_foreground (gc, &widget->style->fg[GTK_STATE_SELECTED]); 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 (private_data->day_name_win, LABEL_FONT (widget), gc, ((private_data->week_width ? CALENDAR_XSEP : CALENDAR_MARGIN) + day_wid_sep * i + private_data->week_width + (day_width - str_width)/2), CALENDAR_MARGIN + DAY_YPAD + private_data->max_label_char_ascent, buffer); } } static 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; GtkCalendarPrivateData *private_data; 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); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); gc = calendar->gc; /* * Handle freeze/thaw functionality */ if (private_data->frozen) { private_data->dirty_week = 1; return; } private_data->dirty_week = 0; /* * Clear the window */ gdk_window_clear (private_data->week_win); /* * Draw a rectangle as inverted background for the labels. */ gdk_gc_set_foreground (gc, &widget->style->bg[GTK_STATE_SELECTED]); if (private_data->day_name_win) gdk_draw_rectangle (private_data->week_win, gc, TRUE, CALENDAR_MARGIN, 0, private_data->week_width - CALENDAR_MARGIN - CALENDAR_XSEP, private_data->main_h - CALENDAR_MARGIN); else gdk_draw_rectangle (private_data->week_win, gc, TRUE, CALENDAR_MARGIN, CALENDAR_MARGIN, private_data->week_width - CALENDAR_MARGIN - CALENDAR_XSEP, private_data->main_h - 2 * CALENDAR_MARGIN); /* * Write the labels */ gdk_gc_set_foreground (gc, &widget->style->fg[GTK_STATE_SELECTED]); 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= (private_data->week_width - (private_data->week_width - CALENDAR_XSEP - DAY_XPAD * 2 - CALENDAR_MARGIN ) / 2 - private_data->max_week_char_width - CALENDAR_XSEP - DAY_XPAD); if (week > 9) { sprintf (buffer, "%d", week/10); gdk_draw_string (private_data->week_win, LABEL_FONT (widget), gc, x_loc, y_baseline , buffer); } sprintf (buffer, "%d", week%10); gdk_draw_string (private_data->week_win, LABEL_FONT (widget), gc, x_loc + private_data->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; GtkCalendarPrivateData *private_data; 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); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); /* * Handle freeze/thaw functionality */ if (private_data->frozen) { private_data->dirty_main = 1; return; } day_height = row_height (calendar); day_xspace = private_data->day_width - private_data->max_day_char_width*2; day = calendar->day[row][col]; x_left = left_x_for_column (calendar, col); x_loc = x_left + private_data->day_width / 2 + private_data->max_day_char_width; y_top = top_y_for_row (calendar, row); y_baseline = y_top + (day_height + private_data->max_day_char_ascent)/2; gdk_window_clear_area (private_data->main_win, x_left, y_top, private_data->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 (private_data->main_win, gc, TRUE, x_left, y_top, private_data->day_width, day_height); } */ if (calendar->selected_day == day) { gdk_gc_set_foreground (gc, & (GTK_WIDGET (calendar)->style->bg[GTK_STATE_SELECTED])); gdk_draw_rectangle (private_data->main_win, gc, TRUE, x_left, y_top, private_data->day_width, day_height); } 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))); if (calendar->selected_day == day) gdk_gc_set_foreground (gc, & (GTK_WIDGET (calendar)->style->fg[GTK_STATE_SELECTED])); else gdk_gc_set_foreground (gc, & (GTK_WIDGET (calendar)->style->fg[GTK_WIDGET_STATE (calendar)])); } sprintf (buffer, "%d", day); x_loc -= gdk_string_measure (DAY_FONT (widget), buffer); sprintf (buffer, "%d", day); gdk_draw_string (private_data->main_win, DAY_FONT (widget), gc, x_loc, y_baseline, buffer); if (calendar->marked_date[day-1]) gdk_draw_string (private_data->main_win, DAY_FONT (widget), gc, x_loc-1, y_baseline, buffer); if (GTK_WIDGET_HAS_FOCUS (calendar) && calendar->focus_row == row && calendar->focus_col == col) { gdk_draw_rectangle (private_data->main_win, calendar->xor_gc, FALSE, x_left, y_top, private_data->day_width-1, day_height-1); } } static void gtk_calendar_paint_main (GtkWidget *widget) { GtkCalendar *calendar; GtkCalendarPrivateData *private_data; 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); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); if (private_data->frozen) { private_data->dirty_main = 1; return; } private_data->dirty_main = 0; gdk_window_clear (private_data->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) { GtkCalendarPrivateData *private_data; gint resize = 0; GtkWidget *widget; gint i; g_return_if_fail (calendar != NULL); g_return_if_fail (GTK_IS_CALENDAR (calendar)); widget = GTK_WIDGET (calendar); private_data = GTK_CALENDAR_PRIVATE_DATA (calendar); if (GTK_WIDGET_REALIZED (widget)) { if ((flags ^ calendar->display_flags) & GTK_CALENDAR_NO_MONTH_CHANGE) { resize ++; if (! (flags & GTK_CALENDAR_NO_MONTH_CHANGE) && (private_data->header_win)) { calendar->display_flags &= ~GTK_CALENDAR_NO_MONTH_CHANGE; gtk_calendar_realize_arrows (widget); } else { for (i = 0; i < 4; i++) { if (private_data->arrow_win[i]) { gdk_window_set_user_data (private_data->arrow_win[i], NULL); gdk_window_destroy (private_data->arrow_win[i]); private_data->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 (private_data->arrow_win[i]) { gdk_window_set_user_data (private_data->arrow_win[i], NULL); gdk_window_destroy (private_data->arrow_win[i]); private_data->arrow_win[i] = NULL; } } gdk_window_set_user_data (private_data->header_win, NULL); gdk_window_destroy (private_data->header_win); private_data->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 (private_data->day_name_win, NULL); gdk_window_destroy (private_data->day_name_win); private_data->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 (private_data->week_win, NULL); gdk_window_destroy (private_data->week_win); private_data->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 (private_data->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, guint month, guint year) { g_return_val_if_fail (calendar != NULL, FALSE); g_return_val_if_fail (GTK_IS_CALENDAR (calendar), FALSE); g_return_val_if_fail (month <= 11, 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, guint day) { g_return_if_fail (calendar != NULL); g_return_if_fail (GTK_IS_CALENDAR (calendar)); g_return_if_fail (day <= 31); /* 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) { guint day; g_return_if_fail (calendar != NULL); g_return_if_fail (GTK_IS_CALENDAR (calendar)); for (day = 0; day < 31; day++) { calendar->marked_date[day] = FALSE; } if (GTK_WIDGET_DRAWABLE (calendar)) { gtk_calendar_paint_main (GTK_WIDGET (calendar)); } } gint gtk_calendar_mark_day (GtkCalendar *calendar, guint day) { g_return_val_if_fail (calendar != NULL, FALSE); g_return_val_if_fail (GTK_IS_CALENDAR (calendar), 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, guint day) { g_return_val_if_fail (calendar != NULL, FALSE); g_return_val_if_fail (GTK_IS_CALENDAR (calendar), 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, guint *year, guint *month, guint *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; GtkCalendarPrivateData *private_data; 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); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); x = (gint) (event->x); y = (gint) (event->y); if (event->window == private_data->arrow_win[ARROW_MONTH_LEFT]) gtk_calendar_set_month_prev (calendar); if (event->window == private_data->arrow_win[ARROW_MONTH_RIGHT]) gtk_calendar_set_month_next (calendar); if (event->window == private_data->arrow_win[ARROW_YEAR_LEFT]) gtk_calendar_set_year_prev (calendar); if (event->window == private_data->arrow_win[ARROW_YEAR_RIGHT]) gtk_calendar_set_year_next (calendar); if (event->window == private_data->main_win) gtk_calendar_main_button (widget, event); return FALSE; } static gint gtk_calendar_motion_notify (GtkWidget *widget, GdkEventMotion *event) { GtkCalendar *calendar; GtkCalendarPrivateData *private_data; gint event_x, event_y; gint row, col; gint old_row, old_col; calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); event_x = (gint) (event->x); event_y = (gint) (event->y); if (event->window == private_data->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; GtkCalendarPrivateData *private_data; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (event != NULL, FALSE); calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); if (event->window == private_data->arrow_win[ARROW_MONTH_LEFT]) { private_data->arrow_state[ARROW_MONTH_LEFT] = GTK_STATE_PRELIGHT; gtk_calendar_paint_arrow (widget, ARROW_MONTH_LEFT); } if (event->window == private_data->arrow_win[ARROW_MONTH_RIGHT]) { private_data->arrow_state[ARROW_MONTH_RIGHT] = GTK_STATE_PRELIGHT; gtk_calendar_paint_arrow (widget, ARROW_MONTH_RIGHT); } if (event->window == private_data->arrow_win[ARROW_YEAR_LEFT]) { private_data->arrow_state[ARROW_YEAR_LEFT] = GTK_STATE_PRELIGHT; gtk_calendar_paint_arrow (widget, ARROW_YEAR_LEFT); } if (event->window == private_data->arrow_win[ARROW_YEAR_RIGHT]) { private_data->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; GtkCalendarPrivateData *private_data; gint row; gint col; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (event != NULL, FALSE); calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); if (event->window == private_data->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 == private_data->arrow_win[ARROW_MONTH_LEFT]) { private_data->arrow_state[ARROW_MONTH_LEFT] = GTK_STATE_NORMAL; gtk_calendar_paint_arrow (widget, ARROW_MONTH_LEFT); } if (event->window == private_data->arrow_win[ARROW_MONTH_RIGHT]) { private_data->arrow_state[ARROW_MONTH_RIGHT] = GTK_STATE_NORMAL; gtk_calendar_paint_arrow (widget, ARROW_MONTH_RIGHT); } if (event->window == private_data->arrow_win[ARROW_YEAR_LEFT]) { private_data->arrow_state[ARROW_YEAR_LEFT] = GTK_STATE_NORMAL; gtk_calendar_paint_arrow (widget, ARROW_YEAR_LEFT); } if (event->window == private_data->arrow_win[ARROW_YEAR_RIGHT]) { private_data->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) { GtkCalendarPrivateData *private_data; GdkWindow *window; GdkGC *gc; GtkCalendar *calendar; gint state; gint width, height; g_return_if_fail (widget != NULL); calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); if (private_data->frozen) { private_data->dirty_header = 1; return; } window = private_data->arrow_win[arrow]; if (window) { state = private_data->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 (calendar != NULL); g_return_if_fail (GTK_IS_CALENDAR (calendar)); GTK_CALENDAR_PRIVATE_DATA (calendar)->frozen++; } void gtk_calendar_thaw (GtkCalendar *calendar) { GtkCalendarPrivateData *private_data; g_return_if_fail (calendar != NULL); g_return_if_fail (GTK_IS_CALENDAR (calendar)); private_data = GTK_CALENDAR_PRIVATE_DATA (calendar); if (private_data->frozen) { private_data->frozen--; if (private_data->frozen) return; if (private_data->dirty_header) if (GTK_WIDGET_DRAWABLE (calendar)) gtk_calendar_paint_header (GTK_WIDGET (calendar)); if (private_data->dirty_day_names) if (GTK_WIDGET_DRAWABLE (calendar)) gtk_calendar_paint_day_names (GTK_WIDGET (calendar)); if (private_data->dirty_week) if (GTK_WIDGET_DRAWABLE (calendar)) gtk_calendar_paint_week_numbers (GTK_WIDGET (calendar)); if (private_data->dirty_main) if (GTK_WIDGET_DRAWABLE (calendar)) gtk_calendar_paint_main (GTK_WIDGET (calendar)); } } static void gtk_calendar_set_background (GtkWidget *widget) { GtkCalendar *calendar; GtkCalendarPrivateData *private_data; gint i; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CALENDAR (widget)); calendar = GTK_CALENDAR (widget); private_data = GTK_CALENDAR_PRIVATE_DATA (widget); if (GTK_WIDGET_REALIZED (widget)) { for (i = 0; i < 4; i++) { if (private_data->arrow_win[i]) gdk_window_set_background (private_data->arrow_win[i], HEADER_BG_COLOR (widget)); } if (private_data->header_win) gdk_window_set_background (private_data->header_win, HEADER_BG_COLOR (widget)); if (private_data->day_name_win) gdk_window_set_background (private_data->day_name_win, BACKGROUND_COLOR (widget)); if (private_data->week_win) gdk_window_set_background (private_data->week_win, BACKGROUND_COLOR (widget)); if (private_data->main_win) gdk_window_set_background (private_data->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 (widget, calendar->focus_row, calendar->focus_col); 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 (widget, calendar->focus_row, calendar->focus_col); return FALSE; } static gint gtk_calendar_key_press (GtkWidget *widget, GdkEventKey *event) { GtkCalendar *calendar; gint return_val; gint old_focus_row; gint old_focus_col; gint row, col, day; 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; old_focus_row = calendar->focus_row; old_focus_col = calendar->focus_col; switch (event->keyval) { case GDK_Left: return_val = TRUE; if (event->state & GDK_CONTROL_MASK) { gtk_calendar_set_month_prev (calendar); } else { if (calendar->focus_col > 0) { calendar->focus_col--; } else if (calendar->focus_row > 0) { calendar->focus_col = 6; calendar->focus_row--; } gtk_calendar_paint_day (widget, old_focus_row, old_focus_col); gtk_calendar_paint_day (widget, calendar->focus_row, calendar->focus_col); } break; case GDK_Right: return_val = TRUE; if (event->state & GDK_CONTROL_MASK) { gtk_calendar_set_month_next (calendar); } else { if (calendar->focus_col < 6) { calendar->focus_col++; } else if (calendar->focus_row < 5) { calendar->focus_col = 0; calendar->focus_row++; } gtk_calendar_paint_day (widget, old_focus_row, old_focus_col); gtk_calendar_paint_day (widget, calendar->focus_row, calendar->focus_col); } break; case GDK_Up: return_val = TRUE; if (event->state & GDK_CONTROL_MASK) { gtk_calendar_set_year_prev (calendar); } else { if (calendar->focus_row > 0) { calendar->focus_row--; } gtk_calendar_paint_day (widget, old_focus_row, old_focus_col); gtk_calendar_paint_day (widget, calendar->focus_row, calendar->focus_col); } break; case GDK_Down: return_val = TRUE; if (event->state & GDK_CONTROL_MASK) { gtk_calendar_set_year_next (calendar); } else { if (calendar->focus_row < 5) { calendar->focus_row++; } gtk_calendar_paint_day (widget, old_focus_row, old_focus_col); gtk_calendar_paint_day (widget, calendar->focus_row, calendar->focus_col); } break; case GDK_space: row = calendar->focus_row; col = calendar->focus_col; day = calendar->day[row][col]; if (row > -1 && col > -1) { gtk_calendar_freeze (calendar); if (calendar->day_month[row][col] == MONTH_PREV) { gtk_calendar_set_month_prev (calendar); } else if (calendar->day_month[row][col] == MONTH_NEXT) { gtk_calendar_set_month_next (calendar); } gtk_calendar_select_day (calendar, day); for (row = 0; row < 6; row ++) for (col = 0; col < 7; col++) { if (calendar->day_month[row][col] == MONTH_CURRENT && calendar->day[row][col] == day) { calendar->focus_row = row; calendar->focus_col = col; } } gtk_calendar_thaw (calendar); } } return return_val; }