/* example-start calendar calendar.c */
/*
* 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 <gtk/gtk.h>
#include <stdio.h>
#include <string.h>
#include <time.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];
gchar *font;
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
*/
void calendar_date_to_string( CalendarData *data,
char *buffer,
gint buff_len )
{
struct tm tm;
time_t time;
memset (&tm, 0, sizeof (tm));
gtk_calendar_get_date (GTK_CALENDAR(data->window),
&tm.tm_year, &tm.tm_mon, &tm.tm_mday);
tm.tm_year -= TM_YEAR_BASE;
time = mktime(&tm);
strftime (buffer, buff_len-1, "%x", gmtime(&time));
}
void calendar_set_signal_strings( char *sig_str,
CalendarData *data)
{
gchar *prev_sig;
gtk_label_get (GTK_LABEL (data->prev_sig), &prev_sig);
gtk_label_set (GTK_LABEL (data->prev2_sig), prev_sig);
gtk_label_get (GTK_LABEL (data->last_sig), &prev_sig);
gtk_label_set (GTK_LABEL (data->prev_sig), prev_sig);
gtk_label_set (GTK_LABEL (data->last_sig), sig_str);
}
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);
}
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);
}
void calendar_day_selected_double_click( GtkWidget *widget,
CalendarData *data )
{
struct tm tm;
char buffer[256] = "day_selected_double_click: ";
calendar_date_to_string (data, buffer+27, 256-27);
calendar_set_signal_strings (buffer, data);
memset (&tm, 0, sizeof (tm));
gtk_calendar_get_date (GTK_CALENDAR(data->window),
&tm.tm_year, &tm.tm_mon, &tm.tm_mday);
tm.tm_year -= TM_YEAR_BASE;
if(GTK_CALENDAR(data->window)->marked_date[tm.tm_mday-1] == 0) {
gtk_calendar_mark_day(GTK_CALENDAR(data->window),tm.tm_mday);
} else {
gtk_calendar_unmark_day(GTK_CALENDAR(data->window),tm.tm_mday);
}
}
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);
}
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);
}
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);
}
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);
}
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);
}
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);
}
void calendar_font_selection_ok( GtkWidget *button,
CalendarData *calendar )
{
GtkStyle *style;
GdkFont *font;
calendar->font = gtk_font_selection_dialog_get_font_name(
GTK_FONT_SELECTION_DIALOG (calendar->font_dialog));
if (calendar->window)
{
font = gtk_font_selection_dialog_get_font(GTK_FONT_SELECTION_DIALOG(calendar->font_dialog));
if (font)
{
style = gtk_style_copy (gtk_widget_get_style (calendar->window));
gdk_font_unref (style->font);
style->font = font;
gdk_font_ref (style->font);
gtk_widget_set_style (calendar->window, style);
}
}
}
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_position (GTK_WINDOW (window), GTK_WIN_POS_MOUSE);
gtk_signal_connect (GTK_OBJECT (window), "destroy",
GTK_SIGNAL_FUNC (gtk_widget_destroyed),
&calendar->font_dialog);
gtk_signal_connect (GTK_OBJECT (GTK_FONT_SELECTION_DIALOG (window)->ok_button),
"clicked", GTK_SIGNAL_FUNC(calendar_font_selection_ok),
calendar);
gtk_signal_connect_object (GTK_OBJECT (GTK_FONT_SELECTION_DIALOG (window)->cancel_button),
"clicked",
GTK_SIGNAL_FUNC (gtk_widget_destroy),
GTK_OBJECT (calendar->font_dialog));
}
window=calendar->font_dialog;
if (!GTK_WIDGET_VISIBLE (window))
gtk_widget_show (window);
else
gtk_widget_destroy (window);
}
void create_calendar()
{
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 = 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_border_width (GTK_CONTAINER (window), 5);
gtk_signal_connect(GTK_OBJECT(window), "destroy",
GTK_SIGNAL_FUNC(gtk_main_quit),
NULL);
gtk_signal_connect(GTK_OBJECT(window), "delete-event",
GTK_SIGNAL_FUNC(gtk_false),
NULL);
gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, TRUE);
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_button_box_set_spacing(GTK_BUTTON_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);
gtk_signal_connect (GTK_OBJECT (calendar), "month_changed",
GTK_SIGNAL_FUNC (calendar_month_changed),
&calendar_data);
gtk_signal_connect (GTK_OBJECT (calendar), "day_selected",
GTK_SIGNAL_FUNC (calendar_day_selected),
&calendar_data);
gtk_signal_connect (GTK_OBJECT (calendar), "day_selected_double_click",
GTK_SIGNAL_FUNC (calendar_day_selected_double_click),
&calendar_data);
gtk_signal_connect (GTK_OBJECT (calendar), "prev_month",
GTK_SIGNAL_FUNC (calendar_prev_month),
&calendar_data);
gtk_signal_connect (GTK_OBJECT (calendar), "next_month",
GTK_SIGNAL_FUNC (calendar_next_month),
&calendar_data);
gtk_signal_connect (GTK_OBJECT (calendar), "prev_year",
GTK_SIGNAL_FUNC (calendar_prev_year),
&calendar_data);
gtk_signal_connect (GTK_OBJECT (calendar), "next_year",
GTK_SIGNAL_FUNC (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);
gtk_signal_connect (GTK_OBJECT (toggle),
"toggled",
GTK_SIGNAL_FUNC(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...");
gtk_signal_connect (GTK_OBJECT (button),
"clicked",
GTK_SIGNAL_FUNC(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");
gtk_signal_connect (GTK_OBJECT (button), "clicked",
GTK_SIGNAL_FUNC (gtk_main_quit),
NULL);
gtk_container_add (GTK_CONTAINER (bbox), button);
GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
gtk_widget_grab_default (button);
gtk_widget_show_all(window);
}
int main(int argc,
char *argv[] )
{
gtk_set_locale ();
gtk_init (&argc, &argv);
create_calendar();
gtk_main();
return(0);
}
/* example-end */
