/*
* Copyright (C) 1998 Cesar Miquel, Shawn T. Amundson, Mattias Grönlund
* Copyright (C) 2000 Tony Gale
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <string.h>
#include <gtk/gtk.h>
#define DEF_PAD 10
#define DEF_PAD_SMALL 5
#define TM_YEAR_BASE 1900
typedef struct _CalendarData {
GtkWidget *flag_checkboxes[5];
gboolean settings[5];
GtkWidget *font_dialog;
GtkWidget *window;
GtkWidget *prev2_sig;
GtkWidget *prev_sig;
GtkWidget *last_sig;
GtkWidget *month;
} CalendarData;
enum {
calendar_show_header,
calendar_show_days,
calendar_month_change,
calendar_show_week,
calendar_monday_first
};
/*
* GtkCalendar
*/
static void calendar_date_to_string( CalendarData *data,
char *buffer,
gint buff_len )
{
GDate date;
guint year, month, day;
gtk_calendar_get_date (GTK_CALENDAR (data->window),
&year, &month, &day);
g_date_set_dmy (&date, day, month + 1, year);
g_date_strftime (buffer, buff_len - 1, "%x", &date);
}
static void calendar_set_signal_strings( char *sig_str,
CalendarData *data )
{
const gchar *prev_sig;
prev_sig = gtk_label_get_text (GTK_LABEL (data->prev_sig));
gtk_label_set_text (GTK_LABEL (data->prev2_sig), prev_sig);
prev_sig = gtk_label_get_text (GTK_LABEL (data->last_sig));
gtk_label_set_text (GTK_LABEL (data->prev_sig), prev_sig);
gtk_label_set_text (GTK_LABEL (data->last_sig), sig_str);
}
static void calendar_month_changed( GtkWidget *widget,
CalendarData *data )
{
char buffer[256] = "month_changed: ";
calendar_date_to_string (data, buffer + 15, 256 - 15);
calendar_set_signal_strings (buffer, data);
}
static void calendar_day_selected( GtkWidget *widget,
CalendarData *data )
{
char buffer[256] = "day_selected: ";
calendar_date_to_string (data, buffer + 14, 256 - 14);
calendar_set_signal_strings (buffer, data);
}
static void calendar_day_selected_double_click ( GtkWidget *widget,
CalendarData *data )
{
char buffer[256] = "day_selected_double_click: ";
guint day;
calendar_date_to_string (data, buffer + 27, 256 - 27);
calendar_set_signal_strings (buffer, data);
gtk_calendar_get_date (GTK_CALENDAR (data->window),
NULL, NULL, &day);
if (GTK_CALENDAR (data->window)->marked_date[day-1] == 0) {
gtk_calendar_mark_day (GTK_CALENDAR (data->window), day);
} else {
gtk_calendar_unmark_day (GTK_CALENDAR (data->window), day);
}
}
static void calendar_prev_month( GtkWidget *widget,
CalendarData *data )
{
char buffer[256] = "prev_month: ";
calendar_date_to_string (data, buffer + 12, 256 - 12);
calendar_set_signal_strings (buffer, data);
}
static void calendar_next_month( GtkWidget *widget,
CalendarData *data )
{
char buffer[256] = "next_month: ";
calendar_date_to_string (data, buffer + 12, 256 - 12);
calendar_set_signal_strings (buffer, data);
}
static void calendar_prev_year( GtkWidget *widget,
CalendarData *data )
{
char buffer[256] = "prev_year: ";
calendar_date_to_string (data, buffer + 11, 256 - 11);
calendar_set_signal_strings (buffer, data);
}
static void calendar_next_year( GtkWidget *widget,
CalendarData *data )
{
char buffer[256] = "next_year: ";
calendar_date_to_string (data, buffer + 11, 256 - 11);
calendar_set_signal_strings (buffer, data);
}
static void calendar_set_flags( CalendarData *calendar )
{
gint i;
gint options = 0;
for (i = 0;i < 5; i++)
if (calendar->settings[i])
{
options = options + (1 << i);
}
if (calendar->window)
gtk_calendar_display_options (GTK_CALENDAR (calendar->window), options);
}
static void calendar_toggle_flag( GtkWidget *toggle,
CalendarData *calendar)
{
gint i;
gint j;
j = 0;
for (i = 0; i < 5; i++)
if (calendar->flag_checkboxes[i] == toggle)
j = i;
calendar->settings[j] = !calendar->settings[j];
calendar_set_flags (calendar);
}
static void calendar_font_selection_ok( GtkWidget *button,
CalendarData *calendar )
{
GtkRcStyle *style;
char *font_name;
if (calendar->window)
{
font_name = gtk_font_selection_dialog_get_font_name (GTK_FONT_SELECTION_DIALOG (calendar->font_dialog));
if (font_name)
{
style = gtk_rc_style_new ();
pango_font_description_free (style->font_desc);
style->font_desc = pango_font_description_from_string (font_name);
gtk_widget_modify_style (calendar->window, style);
g_free (font_name);
}
}
gtk_widget_destroy (calendar->font_dialog);
}
static void calendar_select_font( GtkWidget *button,
CalendarData *calendar )
{
GtkWidget *window;
if (!calendar->font_dialog) {
window = gtk_font_selection_dialog_new ("Font Selection Dialog");
g_return_if_fail (GTK_IS_FONT_SELECTION_DIALOG (window));
calendar->font_dialog = window;
gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_MOUSE);
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&calendar->font_dialog);
g_signal_connect (GTK_FONT_SELECTION_DIALOG (window)->ok_button,
"clicked", G_CALLBACK (calendar_font_selection_ok),
calendar);
g_signal_connect_swapped (GTK_FONT_SELECTION_DIALOG (window)->cancel_button,
"clicked", G_CALLBACK (gtk_widget_destroy),
calendar->font_dialog);
}
window = calendar->font_dialog;
if (!gtk_widget_get_visible (window))
gtk_widget_show (window);
else
gtk_widget_destroy (window);
}
static void create_calendar( void )
{
GtkWidget *window;
GtkWidget *vbox, *vbox2, *vbox3;
GtkWidget *hbox;
GtkWidget *hbbox;
GtkWidget *calendar;
GtkWidget *toggle;
GtkWidget *button;
GtkWidget *frame;
GtkWidget *separator;
GtkWidget *label;
GtkWidget *bbox;
static CalendarData calendar_data;
gint i;
struct {
char *label;
} flags[] =
{
{ "Show Heading" },
{ "Show Day Names" },
{ "No Month Change" },
{ "Show Week Numbers" },
{ "Week Start Monday" }
};
calendar_data.window = NULL;
calendar_data.font_dialog = NULL;
for (i = 0; i < 5; i++) {
calendar_data.settings[i] = 0;
}
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "GtkCalendar Example");
gtk_container_set_border_width (GTK_CONTAINER (window), 5);
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_main_quit),
NULL);
g_signal_connect (window, "delete-event",
G_CALLBACK (gtk_false),
NULL);
gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
vbox = gtk_vbox_new (FALSE, DEF_PAD);
gtk_container_add (GTK_CONTAINER (window), vbox);
/*
* The top part of the window, Calendar, flags and fontsel.
*/
hbox = gtk_hbox_new (FALSE, DEF_PAD);
gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, DEF_PAD);
hbbox = gtk_hbutton_box_new ();
gtk_box_pack_start (GTK_BOX (hbox), hbbox, FALSE, FALSE, DEF_PAD);
gtk_button_box_set_layout (GTK_BUTTON_BOX (hbbox), GTK_BUTTONBOX_SPREAD);
gtk_box_set_spacing (GTK_BOX (hbbox), 5);
/* Calendar widget */
frame = gtk_frame_new ("Calendar");
gtk_box_pack_start(GTK_BOX (hbbox), frame, FALSE, TRUE, DEF_PAD);
calendar=gtk_calendar_new ();
calendar_data.window = calendar;
calendar_set_flags (&calendar_data);
gtk_calendar_mark_day (GTK_CALENDAR (calendar), 19);
gtk_container_add (GTK_CONTAINER (frame), calendar);
g_signal_connect (calendar, "month-changed",
G_CALLBACK (calendar_month_changed),
&calendar_data);
g_signal_connect (calendar, "day-selected",
G_CALLBACK (calendar_day_selected),
&calendar_data);
g_signal_connect (calendar, "day-selected-double-click",
G_CALLBACK (calendar_day_selected_double_click),
&calendar_data);
g_signal_connect (calendar, "prev-month",
G_CALLBACK (calendar_prev_month),
&calendar_data);
g_signal_connect (calendar, "next-month",
G_CALLBACK (calendar_next_month),
&calendar_data);
g_signal_connect (calendar, "prev-year",
G_CALLBACK (calendar_prev_year),
&calendar_data);
g_signal_connect (calendar, "next-year",
G_CALLBACK (calendar_next_year),
&calendar_data);
separator = gtk_vseparator_new ();
gtk_box_pack_start (GTK_BOX (hbox), separator, FALSE, TRUE, 0);
vbox2 = gtk_vbox_new (FALSE, DEF_PAD);
gtk_box_pack_start (GTK_BOX (hbox), vbox2, FALSE, FALSE, DEF_PAD);
/* Build the Right frame with the flags in */
frame = gtk_frame_new ("Flags");
gtk_box_pack_start (GTK_BOX (vbox2), frame, TRUE, TRUE, DEF_PAD);
vbox3 = gtk_vbox_new (TRUE, DEF_PAD_SMALL);
gtk_container_add (GTK_CONTAINER (frame), vbox3);
for (i = 0; i < 5; i++)
{
toggle = gtk_check_button_new_with_label (flags[i].label);
g_signal_connect (toggle,
"toggled",
G_CALLBACK (calendar_toggle_flag),
&calendar_data);
gtk_box_pack_start (GTK_BOX (vbox3), toggle, TRUE, TRUE, 0);
calendar_data.flag_checkboxes[i] = toggle;
}
/* Build the right font-button */
button = gtk_button_new_with_label ("Font...");
g_signal_connect (button,
"clicked",
G_CALLBACK (calendar_select_font),
&calendar_data);
gtk_box_pack_start (GTK_BOX (vbox2), button, FALSE, FALSE, 0);
/*
* Build the Signal-event part.
*/
frame = gtk_frame_new ("Signal events");
gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, DEF_PAD);
vbox2 = gtk_vbox_new (TRUE, DEF_PAD_SMALL);
gtk_container_add (GTK_CONTAINER (frame), vbox2);
hbox = gtk_hbox_new (FALSE, 3);
gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, TRUE, 0);
label = gtk_label_new ("Signal:");
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
calendar_data.last_sig = gtk_label_new ("");
gtk_box_pack_start (GTK_BOX (hbox), calendar_data.last_sig, FALSE, TRUE, 0);
hbox = gtk_hbox_new (FALSE, 3);
gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, TRUE, 0);
label = gtk_label_new ("Previous signal:");
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
calendar_data.prev_sig = gtk_label_new ("");
gtk_box_pack_start (GTK_BOX (hbox), calendar_data.prev_sig, FALSE, TRUE, 0);
hbox = gtk_hbox_new (FALSE, 3);
gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, TRUE, 0);
label = gtk_label_new ("Second previous signal:");
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
calendar_data.prev2_sig = gtk_label_new ("");
gtk_box_pack_start (GTK_BOX (hbox), calendar_data.prev2_sig, FALSE, TRUE, 0);
bbox = gtk_hbutton_box_new ();
gtk_box_pack_start (GTK_BOX (vbox), bbox, FALSE, FALSE, 0);
gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_END);
button = gtk_button_new_with_label ("Close");
g_signal_connect (button, "clicked",
G_CALLBACK (gtk_main_quit),
NULL);
gtk_container_add (GTK_CONTAINER (bbox), button);
gtk_widget_set_can_default (button, TRUE);
gtk_widget_grab_default (button);
gtk_widget_show_all (window);
}
int main (int argc,
char *argv[])
{
gtk_init (&argc, &argv);
create_calendar ();
gtk_main ();
return 0;
}