dockapps/wmcalendar/Src/calendar.c

434 lines
12 KiB
C
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#include "calendar.h"
int get_datetype(int day){return datetype[day][0];}
/*------------------------------------------------------
* checkicalversion
-----------------------------------------------------*/
void checkicalversion()
{
GtkWidget* dialog;
GtkWidget* label;
char* msg = "\n\nWARNING:\nIt is highly recommended to upgrade to libical 0.24!\nOtherwise wmCalendar will not work stable!\n";
if(!strcmp(ICAL_VERSION, "0.23")){
printf(msg);
dialog = gtk_dialog_new_with_buttons ("Warning",
NULL,
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_STOCK_OK,
GTK_RESPONSE_NONE,
NULL);
label = gtk_label_new (msg);
g_signal_connect_swapped (GTK_OBJECT (dialog),
"response",
G_CALLBACK (gtk_widget_destroy),
GTK_OBJECT (dialog));
gtk_container_add (GTK_CONTAINER (GTK_DIALOG(dialog)->vbox), label);
gtk_signal_connect (GTK_OBJECT (dialog), "destroy",
GTK_SIGNAL_FUNC(gtk_main_quit ),
NULL);
gtk_widget_show_all (dialog);
gtk_main();
}
}
void move(GtkWidget *widget, GdkEventButton *event)
{
xr = event->x;
yr = event->y;
}
void move2(GtkWidget *widget, GdkEventMotion *event)
{
gtk_widget_set_uposition((GtkWidget*)gtk_widget_get_toplevel(widget),event->x_root - xr , event->y_root - yr);
}
void kill (GtkWidget * widget)
{
gtk_widget_destroy ((GtkWidget*)gtk_widget_get_toplevel(widget));
gtk_main_quit ();
}
/*------------------------------------------------------
* calendar
-----------------------------------------------------*/
void calendar(){
int value;
char* line;
const char* text;
const char* transp="";
struct stat filestat;
icalproperty *prop, *reocc;
icalparser *parser;
icalcomponent *c, *d;
FILE *stream;
struct icaltimetype t1, t2;
if(get_debug())printf("check for new calendar data\n");
stream = fopen((const char*)get_icsfile(),"r");
if(stream == 0)
return;
fstat(fileno(stream), &filestat);
if(filestat.st_mtime == modtime){
fclose(stream);
return;
}
if(get_debug())printf("read calendar data\n");
deleteCalObjs();
modtime = filestat.st_mtime;
parser = icalparser_new();
/* Tell the parser what input routie it should use. */
icalparser_set_gen_data(parser, stream);
do{
line = icalparser_get_line(parser, read_stream);
c = icalparser_add_line(parser, line);
free(line);
if(c != 0){
for(d = icalcomponent_get_first_component(c, ICAL_ANY_COMPONENT);d != 0;
d = icalcomponent_get_next_component(c, ICAL_ANY_COMPONENT)){
/* get date */
t1 = icalcomponent_get_dtstart(d);
t2 = icalcomponent_get_dtend(d);
if(icaltime_is_null_time(t2)){
t2 = t1;
icaltime_adjust(&t2, 1,0,0,0);
}
/* get transparency */
prop = icalcomponent_get_first_property(d, ICAL_TRANSP_PROPERTY );
reocc = icalcomponent_get_first_property(d, ICAL_RRULE_PROPERTY);
if(prop)
transp = icalproperty_get_value_as_string(prop);
if(!strcmp(transp, "OPAQUE"))
value = 1;
else if(!strcmp(transp, "TRANSPARENT"))
value = 2;
else
value = 1 ;
/* get desciption */
prop = icalcomponent_get_first_property(d, ICAL_SUMMARY_PROPERTY);
if(prop) {
text = icalproperty_get_value_as_string(prop);
addCalObj(t1, t2, value, text, d);
if(get_debug())printf("read: %d.%d.%d - %d.%d.%d %s\n", t1.day, t1.month,
t1.year, t2.day, t2.month, t2.year, text);
}
icalcomponent_free(d);
}
icalcomponent_free(c);
}
} while(line != 0);
icalparser_free(parser);
fclose(stream);
}
/*------------------------------------------------------
* showDay
-----------------------------------------------------*/
void showDay(struct icaltimetype dt){
static GtkWidget *dayView;
static GtkWidget *table;
static GtkWidget *label1;
static GtkWidget *event_box;
static GtkWidget *event_box2;
char buf[28];
char buf2[28];
struct tm *timptr = NULL;
time_t tt = icaltime_as_timet(dt);
timptr = gmtime(&tt);
event_box = gtk_event_box_new ();
gtk_widget_show (event_box);
event_box2 = gtk_event_box_new ();
gtk_widget_show (event_box2);
/* create titlebartext */
strftime(buf, 26, "%A, %x", timptr);
sprintf(buf2, "<b>%s</b>",buf);
/* Create a new window with no boarder and day as titlebar*/
dayView = gtk_window_new(GTK_WINDOW_TOPLEVEL);
// xr =yr =0;
gtk_window_set_position(GTK_WINDOW (dayView),GTK_WIN_POS_MOUSE);
gtk_window_set_policy(GTK_WINDOW (dayView), FALSE, FALSE, FALSE);
gtk_window_set_decorated (GTK_WINDOW (dayView), FALSE);
gtk_window_set_title(GTK_WINDOW (dayView), buf);
/* create a table */
table = gtk_table_new(1, 4, FALSE);
gtk_table_set_row_spacings ((GtkTable*)table, 4);
gtk_table_set_col_spacings ((GtkTable*)table, 15);
gtk_table_set_col_spacing ((GtkTable*)table,2, 0);
gtk_table_attach_defaults (GTK_TABLE(table), event_box, 0, 3, 1, 2);
gtk_table_attach_defaults (GTK_TABLE(table), event_box2, 3, 4, 1, 2);
label1 = gtk_label_new (NULL);
gtk_label_set_markup ((GtkLabel*)label1, buf2);
gtk_container_add (GTK_CONTAINER (event_box), label1);
gtk_table_set_row_spacing ((GtkTable*)table,0, 1);
gtk_table_set_row_spacing ((GtkTable*)table,1, 1);
gtk_widget_show (label1);
label1 = gtk_label_new (" X ");
gtk_container_add (GTK_CONTAINER (event_box2), label1);
gtk_widget_show (label1);
/* fill table with events and draw window if there are any events */
if(dayevents(dt, table)){
gtk_widget_show (dayView);
gtk_widget_show (table);
gtk_container_add (GTK_CONTAINER (dayView), table);
gtk_signal_connect(GTK_OBJECT (event_box), "motion_notify_event",
GTK_SIGNAL_FUNC (move2), NULL);
gtk_signal_connect(GTK_OBJECT (event_box), "button_press_event",
GTK_SIGNAL_FUNC (move), NULL);
gtk_signal_connect(GTK_OBJECT (event_box2), "button_press_event",
(GtkSignalFunc) kill, GTK_OBJECT(dayView));
gtk_widget_realize(dayView);
// gtk_window_set_position(GTK_WINDOW (dayView),GTK_WIN_POS_CENTER_ON_PARENT);
gtk_main ();
}
}
/*------------------------------------------------------
* dayevents
-----------------------------------------------------*/
int dayevents(struct icaltimetype dt, GtkWidget *table){
static GtkWidget *label1;
struct calobj* it;
struct icaltimetype t1, t2;
icalproperty *prop;
int j; /* tablerow */
char buftime1[30];
char buftime2[30];
char buf[1024];
struct tm *timptr = NULL;
time_t tt;
GtkWidget *separator;
j = 2;
it = calRoot;
while(it){
if(eventOnDay(dt, it)){
t1 = it->start;
t2 = it->end;
separator = gtk_hseparator_new ();
gtk_widget_show (separator);
gtk_table_attach_defaults (GTK_TABLE(table),separator, 0, 4, j, j+1);
j++;
if(daysEqual(t1, t2)){ /* single event */
/* create time entry */
tt = icaltime_as_timet(t1);
timptr = gmtime(&tt);
strftime(buftime1, 26, "%X", timptr);
tt = icaltime_as_timet(t2);
timptr = gmtime(&tt);
strftime(buftime2, 26, "%X", timptr);
sprintf(buf,"%s - %s",buftime1, buftime2);
label1 = gtk_label_new (NULL);
gtk_label_set_markup ((GtkLabel*)label1, buf);
gtk_table_attach_defaults (GTK_TABLE(table), label1, 1, 2, j, j+1);
gtk_widget_show (label1);
/* create description entry */
label1 = gtk_label_new (it->text);
gtk_table_attach_defaults (GTK_TABLE(table), label1, 2, 3, j, j+1);
gtk_widget_show (label1);
j++;
}
else {
/* multiday event or allday event*/
t2.day--; /* endtime always on the first day after the event ... */
if(t2.day == 0){
t2.month--;
if(t2.month == 0){
t2.month = 12;
t2.year--;
}
t2.day = icaltime_days_in_month(t2.month, t2.year);
}
if(t2.day < dt.day && t2.month == dt.month && t2.year == dt.year)
continue; /* event ended the day before ... */
if(daysEqual(t1,t2)){
/* allday event */
/* create description entry */
sprintf(buf, "<i>all day event</i>");
}
else{ /* multiday event */
/* create description with start and enddate */
tt = icaltime_as_timet(t1);
timptr = gmtime(&tt);
strftime(buftime1, 26, "%a, %x", timptr);
tt = icaltime_as_timet(t2);
timptr = gmtime(&tt);
strftime(buftime2, 26, "%a, %x", timptr);
sprintf(buf, "%s - %s", buftime1, buftime2);
}
label1 = gtk_label_new (NULL);
gtk_label_set_markup ((GtkLabel*)label1, buf);
gtk_table_attach_defaults (GTK_TABLE(table), label1, 1, 2, j, j+1);
gtk_widget_show (label1);
prop = icalcomponent_get_first_property(it->comp, ICAL_LOCATION_PROPERTY);
if(prop)
sprintf(buf, "%s\n%s", it->text, icalproperty_get_location(prop));
else
sprintf(buf, "%s", it->text);
label1 = gtk_label_new (buf);
gtk_label_set_justify(GTK_LABEL(label1),GTK_JUSTIFY_CENTER );
gtk_table_attach_defaults (GTK_TABLE(table), label1, 2, 3, j, j+1);
gtk_widget_show (label1);
j++;
}
}
it = it->next;
}
label1 = gtk_label_new (NULL);
gtk_table_attach_defaults (GTK_TABLE(table), label1, 2, 3, j+1, j+2);
gtk_table_set_row_spacing (GTK_TABLE(table),j, 0);
if(j==2) /* no entries for this day */
return FALSE;
return TRUE;
}
/*------------------------------------------------------
* deleteCalObjs
-----------------------------------------------------*/
void deleteCalObjs(){
int i;
struct calObj* help;
while(calRoot){
help = (struct calObj*) calRoot->next;
free(calRoot->text);
free(calRoot->comp);
free(calRoot);
calRoot = help;
}
for(i = 0; i < 32; i++)
datetype[i][1] = 0;
}
/*------------------------------------------------------
* addCalObj
-----------------------------------------------------*/
void addCalObj(struct icaltimetype start, struct icaltimetype end,
int type, const char *text, icalcomponent * d){
struct calobj *newobj;
icalcomponent *newcomp = malloc(sizeof(struct calobj));
char* buf = malloc (strlen(text) + 1);
newcomp = icalcomponent_new_clone(d);
strcpy(buf,text);
newobj = malloc(sizeof(struct calobj));
newobj->comp = newcomp;
newobj->start = start;
newobj->end = end;
newobj->type = type;
newobj->text = buf;
newobj->next = calRoot;
calRoot = newobj;
}
/*------------------------------------------------------
* getDayType
-----------------------------------------------------*/
int getDayType(struct icaltimetype dt){
int jd;
jd = civil_jdn(dt);
if(datetype[jd % 31][1] == jd)
return datetype[jd % 31][0];
return calcDayType(dt);
}
/*------------------------------------------------------
* isExluded
-----------------------------------------------------*/
int isExluded(icalcomponent *comp, struct icaltimetype dt){
icalproperty *prop;
prop = icalcomponent_get_first_property(comp, ICAL_EXDATE_PROPERTY);
while(prop){
if(daysEqual(icalproperty_get_exdate(prop), dt))
return 1;
prop = icalcomponent_get_next_property(comp, ICAL_EXDATE_PROPERTY);
}
return 0;
}
/*------------------------------------------------------
* eventOnDay
-----------------------------------------------------*/
int eventOnDay(struct icaltimetype dt, struct calobj* it)
{
icalrecur_iterator* ritr;
icalproperty *rrule;
struct icaltimetype next;
if((daysEarlierEqual(dt, it->start) && daysLater(dt, it->end))
|| (daysEqual(dt, it->start) && daysEqual(dt, it->end)))
return 1;
rrule = icalcomponent_get_first_property((icalcomponent*)it->comp, ICAL_RRULE_PROPERTY);
if(rrule){
if(daysEarlierEqual(dt, it->start)){
ritr = icalrecur_iterator_new( icalproperty_get_rrule(rrule), it->start);
if(ritr)
next = icalrecur_iterator_next(ritr);
while(daysEarlierEqual(dt, next) && !icaltime_is_null_time(next)){
if(daysEqual(dt, next) && !isExluded((icalcomponent*)it->comp, dt))
{
free(ritr);
return 1;
}
next = icalrecur_iterator_next(ritr);
}
free(ritr);
}
}
return 0;
}
/*------------------------------------------------------
* calcDayType
-----------------------------------------------------*/
int calcDayType(struct icaltimetype dt){
int jd;
struct calobj* it;
jd = civil_jdn(dt);
datetype[jd % 31][1] = jd;
datetype[jd % 31][0] = 0;
it = calRoot;
while(it){
if(eventOnDay(dt, it))
if(datetype[jd % 31][0] != 1)
datetype[jd % 31][0] = it->type;
it = it->next;
}
return datetype[jd % 31][0];
}