Desktop
/* $Id: calendar.c,v 1.1 2010/12/04 17:22:17 khorben Exp $ */
/* Copyright (c) 2010 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Accessories */
/* 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, version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <gtk/gtk.h>
#include <System.h>
/* Calendar */
/* private */
/* types */
typedef struct _Calendar
{
struct tm today;
Config * config;
/* widgets */
GtkWidget * window;
GtkWidget * widget;
} Calendar;
/* constants */
#define CALENDAR_CONFIG_FILE ".calendar"
/* prototypes */
static Calendar * _calendar_new(void);
static void _calendar_delete(Calendar * calendar);
/* accessors */
static char const * _calendar_get_detail(Calendar * calendar, unsigned int year,
unsigned int month, unsigned int day);
static int _calendar_set_detail(Calendar * calendar, unsigned int year,
unsigned int month, unsigned int day, char const * detail);
static char * _config_get_filename(void);
/* functions */
/* calendar_new */
static void _new_config(Calendar * calendar);
static gboolean _calendar_on_closex(gpointer data);
static void _calendar_on_today(gpointer data);
#if GTK_CHECK_VERSION(2, 14, 0)
static void _calendar_on_details(GtkWidget * widget, gpointer data);
static gchar * _calendar_on_detail(GtkWidget * widget, guint year, guint month,
guint day, gpointer data);
#endif
static void _calendar_on_edit(gpointer data);
static Calendar * _calendar_new(void)
{
Calendar * calendar;
time_t now;
GtkWidget * vbox;
GtkWidget * widget;
GtkToolItem * toolitem;
if((calendar = malloc(sizeof(*calendar))) == NULL)
return NULL; /* XXX report error */
if((now = time(NULL)) == -1)
{
_calendar_delete(calendar);
return NULL; /* XXX report error */
}
localtime_r(&now, &calendar->today);
_new_config(calendar);
/* window */
calendar->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(calendar->window), "Calendar");
g_signal_connect_swapped(G_OBJECT(calendar->window), "delete-event",
G_CALLBACK(_calendar_on_closex), calendar);
vbox = gtk_vbox_new(FALSE, 4);
/* toolbar */
widget = gtk_toolbar_new();
toolitem = gtk_tool_button_new(NULL, "Today");
gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(toolitem), "go-jump");
g_signal_connect_swapped(G_OBJECT(toolitem), "clicked", G_CALLBACK(
_calendar_on_today), calendar);
gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
#if GTK_CHECK_VERSION(2, 14, 0)
toolitem = gtk_separator_tool_item_new();
gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
toolitem = gtk_toggle_tool_button_new();
gtk_tool_button_set_label(GTK_TOOL_BUTTON(toolitem), "Details");
g_signal_connect(G_OBJECT(toolitem), "toggled", G_CALLBACK(
_calendar_on_details), calendar);
gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
toolitem = gtk_tool_button_new_from_stock(GTK_STOCK_EDIT);
g_signal_connect_swapped(G_OBJECT(toolitem), "clicked", G_CALLBACK(
_calendar_on_edit), calendar);
gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
#endif
gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 0);
/* calendar */
calendar->widget = gtk_calendar_new();
gtk_calendar_set_display_options(GTK_CALENDAR(calendar->widget),
GTK_CALENDAR_SHOW_HEADING
| GTK_CALENDAR_SHOW_DAY_NAMES
| GTK_CALENDAR_SHOW_WEEK_NUMBERS);
#if GTK_CHECK_VERSION(2, 14, 0)
gtk_calendar_set_detail_height_rows(GTK_CALENDAR(calendar->widget), 4);
gtk_calendar_set_detail_func(GTK_CALENDAR(calendar->widget),
(GtkCalendarDetailFunc)_calendar_on_detail, calendar,
NULL);
#endif
g_signal_connect_swapped(G_OBJECT(calendar->widget),
"day-selected-double-click", G_CALLBACK(
_calendar_on_edit), calendar);
gtk_box_pack_start(GTK_BOX(vbox), calendar->widget, TRUE, TRUE, 0);
gtk_container_add(GTK_CONTAINER(calendar->window), vbox);
gtk_widget_show_all(calendar->window);
return calendar;
}
static void _new_config(Calendar * calendar)
{
char * filename;
if((calendar->config = config_new()) == NULL)
return;
if((filename = _config_get_filename()) != NULL)
config_load(calendar->config, filename);
free(filename);
}
static gboolean _calendar_on_closex(gpointer data)
{
Calendar * calendar = data;
gtk_widget_hide(calendar->window);
gtk_main_quit();
return FALSE;
}
static void _calendar_on_today(gpointer data)
{
Calendar * calendar = data;
gtk_calendar_select_month(GTK_CALENDAR(calendar->widget),
calendar->today.tm_year, calendar->today.tm_mon);
gtk_calendar_select_day(GTK_CALENDAR(calendar->widget),
calendar->today.tm_mday);
}
#if GTK_CHECK_VERSION(2, 14, 0)
static void _calendar_on_details(GtkWidget * widget, gpointer data)
{
Calendar * calendar = data;
gboolean active;
GtkCalendarDisplayOptions options;
active = gtk_toggle_tool_button_get_active(GTK_TOGGLE_TOOL_BUTTON(
widget));
options = gtk_calendar_get_display_options(GTK_CALENDAR(
calendar->widget));
if(active)
options |= GTK_CALENDAR_SHOW_DETAILS;
else
options &= ~GTK_CALENDAR_SHOW_DETAILS;
gtk_calendar_set_display_options(GTK_CALENDAR(calendar->widget),
options);
}
#endif
#if GTK_CHECK_VERSION(2, 14, 0)
static gchar * _calendar_on_detail(GtkWidget * widget, guint year, guint month,
guint day, gpointer data)
{
Calendar * calendar = data;
char * ret;
char const * p;
size_t i;
size_t cnt;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() %u/%u/%u\n", __func__, day, month, year);
#endif
if((p = _calendar_get_detail(calendar, year, month + 1, day))
== NULL)
return NULL;
/* XXX we have to escape pango markup */
for(i = 0, cnt = 0; p[i] != '\0'; i++)
if(p[i] == '<')
cnt++;
if((ret = malloc(i + 1 + cnt * 3)) == NULL)
return NULL;
for(i = 0, cnt = 0; p[i] != '\0'; i++)
if(p[i] != '<')
ret[cnt++] = p[i];
else
{
ret[cnt++] = '&';
ret[cnt++] = 'l';
ret[cnt++] = 't';
ret[cnt++] = ';';
}
ret[cnt] = '\0';
return ret;
}
#endif
static void _calendar_on_edit(gpointer data)
{
Calendar * calendar = data;
guint year;
guint month;
guint day;
char const * p;
GtkWidget * dialog;
GtkWidget * vbox;
GtkWidget * entry;
int res;
dialog = gtk_dialog_new_with_buttons("Edit detail",
GTK_WINDOW(calendar->window),
GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK, NULL);
#if GTK_CHECK_VERSION(2, 14, 0)
vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
#else
vbox = GTK_DIALOG(dialog)->vbox;
#endif
entry = gtk_entry_new();
gtk_calendar_get_date(GTK_CALENDAR(calendar->widget), &year, &month,
&day);
if((p = _calendar_get_detail(calendar, year, ++month, day)) != NULL)
gtk_entry_set_text(GTK_ENTRY(entry), p);
gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, TRUE, 0);
gtk_widget_show_all(vbox);
res = gtk_dialog_run(GTK_DIALOG(dialog));
if(res == GTK_RESPONSE_OK)
{
p = gtk_entry_get_text(GTK_ENTRY(entry));
_calendar_set_detail(calendar, year, month, day, p);
}
gtk_widget_destroy(dialog);
}
/* calendar_delete */
static void _calendar_delete(Calendar * calendar)
{
if(calendar->config != NULL)
config_delete(calendar->config);
free(calendar);
}
/* accessors */
/* calendar_get_detail */
static char const * _calendar_get_detail(Calendar * calendar, unsigned int year,
unsigned int month, unsigned int day)
{
char buf[16];
snprintf(buf, sizeof(buf), "%u%02u%02u", year, month, day);
return config_get(calendar->config, NULL, buf);
}
/* calendar_set_detail */
static int _calendar_set_detail(Calendar * calendar, unsigned int year,
unsigned int month, unsigned int day, char const * detail)
{
int ret;
char buf[16];
char * filename;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, detail);
#endif
snprintf(buf, sizeof(buf), "%u%02u%02u", year, month, day);
ret = config_set(calendar->config, NULL, buf, detail);
if((filename = _config_get_filename()) != NULL)
ret |= config_save(calendar->config, filename);
free(filename);
return ret;
}
/* config_get_filename */
static char * _config_get_filename(void)
{
char * filename;
char const * homedir;
size_t len;
if((homedir = getenv("HOME")) == NULL)
homedir = g_get_home_dir();
len = strlen(homedir) + 1 + sizeof(CALENDAR_CONFIG_FILE);
if((filename = malloc(len)) == NULL)
return NULL;
snprintf(filename, len, "%s/%s", homedir, CALENDAR_CONFIG_FILE);
return filename;
}
/* usage */
static int _usage(void)
{
fputs("Usage: calendar\n", stderr);
return 1;
}
/* main */
int main(int argc, char * argv[])
{
int o;
Calendar * calendar;
gtk_init(&argc, &argv);
while((o = getopt(argc, argv, "")) != -1)
switch(o)
{
default:
return _usage();
}
calendar = _calendar_new();
gtk_main();
_calendar_delete(calendar);
return 0;
}